WO2023140357A1 - 水性液剤 - Google Patents
水性液剤 Download PDFInfo
- Publication number
- WO2023140357A1 WO2023140357A1 PCT/JP2023/001725 JP2023001725W WO2023140357A1 WO 2023140357 A1 WO2023140357 A1 WO 2023140357A1 JP 2023001725 W JP2023001725 W JP 2023001725W WO 2023140357 A1 WO2023140357 A1 WO 2023140357A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arbekacin
- water
- aqueous solution
- soluble polymer
- salts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/08—Solutions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
- A61K31/7036—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin having at least one amino group directly attached to the carbocyclic ring, e.g. streptomycin, gentamycin, amikacin, validamycin, fortimicins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Definitions
- the present disclosure relates to an aqueous liquid preparation containing arbekacin and/or a salt thereof, and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone, and its application technology.
- Arbekacin is one of the aminoglycoside antibiotics. Arbekacin sulfate is used for the treatment of pneumonia and sepsis caused by methicillin-resistant Staphylococcus aureus (MRSA) (Patent Document 1). In addition, arbekacin sulfate has been reported to exhibit a wide range of antimicrobial activity against not only Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus, but also Gram-negative bacteria (Non-Patent Document 1).
- water-soluble polymers such as hydroxypropylmethylcellulose, 2-hydroxypropyl- ⁇ -cyclodextrin, hydroxyethylcellulose, and dextran are commonly used in aqueous solutions, for example, as thickeners or thickeners (Patent Documents 2 and 3).
- An object of the present disclosure is to provide a formulation technology related to an aqueous solution containing arbekacin and/or a salt thereof, and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- an aqueous liquid preparation containing arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone has excellent mucin adhesiveness, and made further improvements.
- Item 1-1 An aqueous solution comprising arbekacin and/or a salt thereof and a water-soluble polymer
- An aqueous liquid preparation wherein the water-soluble polymer comprises at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- Item 1-2 The aqueous liquid preparation according to Item 1-1, wherein the total concentration of arbekacin and/or salts thereof is 0.05 w/v% to 5.0 w/v%. Section 1-3.
- Item 1-6 The aqueous liquid preparation according to item 1-1 or 1-2, wherein the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%.
- aqueous liquid preparation according to any one of Items 1-1 to 1-5, wherein the water-soluble polymer has a concentration of 0.3 w/v% to 2.0 w/v%.
- Item 1-7 The aqueous liquid preparation according to any one of Items 1-1 to 1-6, wherein the water-soluble polymer has a concentration of 0.8 w/v% to 1.4 w/v%. Item 1-8.
- An aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose,
- the total concentration of arbekacin and / or salts thereof is 0.1 w / v% to 3.0 w / v%
- An aqueous solution, wherein the concentration of hydroxypropylmethylcellulose is 0.8 w/v% to 1.4 w/v%.
- the aqueous liquid preparation according to any one of Items 1-1 to 1-8, wherein the mass ratio of the total content of arbekacin and/or salts thereof to the content of the water-soluble polymer is 1:0.04 to 70. Item 1-10.
- Item 1-12 The aqueous liquid preparation according to any one of Items 1-1 to 1-11, wherein the aqueous liquid preparation has a pH of 5.0 to 8.0. Item 1-13.
- the aqueous liquid preparation according to any one of Items 1-1 to 1-12, wherein the aqueous liquid preparation has a viscosity of 5 to 50 mPa ⁇ s.
- Item 1-14. An aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose, The total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%, The mass ratio of the total content of the arbekacin and/or salt thereof and the content of the water-soluble polymer is 1:0.04 to 70, The aqueous solution has a pH of 5.0 to 8.0, An aqueous liquid agent having a viscosity of 5 to 50 mPa ⁇ s.
- Item 1-15 The aqueous liquid formulation according to any one of Items 1-1 to 1-14, wherein C ⁇ (A+B) is greater than 0.
- An aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose,
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%
- the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%
- the mass ratio of the total content of the arbekacin and/or salt thereof and the content of the water-soluble polymer is 1:0.04 to 70
- the aqueous solution has a pH of 5.0 to 8.0
- the aqueous liquid agent has a viscosity of 5 to 50 mPa s
- Viscosity increase value due to arbekacin (mPa s) B: Viscosity increase value due to water-soluble polymer (mPa s)
- C Viscosity increase value due to arbekacin and water-soluble polymer (mPa s)
- Item 1-19 The aqueous liquid preparation according to any one of Items 1-1 to 1-18, wherein the rate of decrease in release rate of arbekacin and/or a salt thereof is 5% or more.
- Item 1-21 The aqueous liquid preparation according to any one of Items 1-1 to 1-19, wherein the rate of decrease in release rate of arbekacin and/or a salt thereof is 25% or more.
- the aqueous solution according to any one of Items 1-1 to 1-20 which is an ophthalmic solution.
- Item 1-22 The aqueous liquid preparation according to any one of Items 1-1 to 1-21, which is used for thickening an aqueous liquid preparation containing a water-soluble polymer on the ocular surface.
- the aqueous liquid preparation according to any one of Items 1-1 to 1-28, wherein the bacterium is Gram-positive or Gram-negative. Item 1-30.
- the bacterium is at least one selected from methicillin-resistant Staphylococcus aureus, Staphylococcus aureus, Corynebacterium, Pseudomonas aeruginosa, Haemophilus influenzae, Streptococcus pneumoniae, Moraxella, Neisseria gonorrhoeae, Serratia, Streptococcus, anaerobic bacteria, and atypical acid-fast bacterium Streptococcus pneumoniae.
- the aqueous liquid formulation according to any one of Items 1-1 to 1-29. Item 1-31.
- An aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose, An aqueous solution for the treatment of bacterial external eye infections.
- An aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose, An aqueous solution for the treatment of bacterial external eye infections associated with dry eye.
- Item 2-1 A method of treating a bacterial external eye infection comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method for treating bacterial external ocular infections, wherein the water-soluble polymer comprises at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the water-soluble polymer comprises at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- a method of treating a bacterial external eye infection comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating bacterial external ocular infections, wherein said water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of treating bacterial conjunctivitis comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating bacterial conjunctivitis, wherein the water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of treating a bacterial external eye infection comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and a water-soluble polymer to the ocular surface of a subject in need thereof;
- the water-soluble polymer contains at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone,
- a method of treating bacterial external eye infections Item 2-5.
- a method of treating bacterial conjunctivitis comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose to the ocular surface of a subject in need thereof; A method of treating bacterial conjunctivitis.
- Item 2-6a The method of treatment according to any one of Items 2-1 to 2-5, comprising the step of contacting said aqueous solution with mucin.
- Item 2-7a The treatment method according to any one of items 2-1 to 2-5.
- the method of treatment according to any one of Items 2-1 to 2-6 comprising the step of thickening the aqueous solution on the ocular surface.
- Item 2-7b. administering the aqueous solution to the ocular surface of a subject in need thereof; administering to the ocular surface of the subject such that the aqueous solution thickens on the ocular surface;
- Item 2-8a. The treatment method according to any one of Items 2-1 to 2-7, comprising a step of improving the mucin adhesion of the aqueous liquid preparation.
- a method of treating a bacterial external eye infection comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and a water-soluble polymer to the ocular surface of a subject in need thereof; contacting the aqueous solution with the mucin to increase the viscosity of the aqueous solution and improve the adhesiveness of the aqueous solution to the mucin;
- the water-soluble polymer contains at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone,
- a method of treating bacterial external eye infections Item 2-9b.
- a method of treating a bacterial external eye infection comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and a water-soluble polymer to the ocular surface of a subject in need thereof;
- the water-soluble polymer contains at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone,
- the administration is carried out so that the aqueous solution contacts the mucin, thereby increasing the viscosity of the aqueous solution and improving the adhesiveness of the aqueous solution to the mucin.
- a method of treating bacterial external eye infections Item 2-9c.
- a method of treating bacterial conjunctivitis comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose to the ocular surface of a subject in need thereof; contacting the aqueous solution with the mucin to increase the viscosity of the aqueous solution and improve the adhesiveness of the aqueous solution to the mucin;
- a method of treating bacterial conjunctivitis Item 2-9d.
- a method of treating bacterial conjunctivitis comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and hydroxypropylmethylcellulose to the ocular surface of a subject in need thereof; The administration is carried out so that the aqueous solution contacts the mucin, thereby increasing the viscosity of the aqueous solution and improving the adhesiveness of the aqueous solution to the mucin.
- a method of treating bacterial conjunctivitis Item 2-10.
- a method for improving conjunctival migration of arbekacin and/or a salt thereof comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method for improving conjunctival migration, wherein the water-soluble polymer comprises hydroxypropylmethylcellulose.
- the water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of treating a bacterial external eye infection comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; the water-soluble polymer comprises hydroxypropylmethylcellulose;
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%,
- the mass ratio of the total content of the arbekacin and/or salts thereof and the content of the hydroxypropylmethylcellulose is 1:0.04 to 70,
- the aqueous solution has a pH of 5.0 to 8.0
- a method for treating bacterial external ocular infections wherein the aqueous solution has a viscosity of 5 to 50 mPa ⁇ s.
- Item 2-16 A method of treating a bacterial external eye infection comprising: A step of administering
- Item 2-17 The method according to any one of Items 2-1 to 2-16, wherein the aqueous solution is an aqueous solution in which C ⁇ (A+B) is greater than 0.
- the aqueous liquid preparation has a rate of decrease in release rate of arbekacin and/or a salt thereof of 5% or more.
- a method of treating bacterial conjunctivitis comprising: administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof, and contacting the aqueous solution with mucin; the water-soluble polymer comprises hydroxypropylmethylcellulose;
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%,
- the mass ratio of the total content of the arbekacin and/or salts thereof and the content of the hydroxypropylmethylcellulose is 1:0.04 to 70,
- the aqueous solution has a pH of 5.0 to 8.0
- a method of treating bacterial conjunctivitis comprising: administering an aqueous solution comprising arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof such that the aqueous solution is in contact with mucin; the water-soluble polymer comprises hydroxypropylmethylcellulose;
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%,
- the mass ratio of the total content of the arbekacin and/or salts thereof and the content of the hydroxypropylmethylcellulose is 1:0.04 to 70,
- the aqueous solution has a pH of 5.0 to 8.0,
- Item 3-1 A method of treating a bacterial external ocular infection associated with dry eye, comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method for treating a bacterial external ocular infection associated with dry eye, wherein the water-soluble polymer comprises at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the water-soluble polymer comprises at least one selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- a method of treating a bacterial external ocular infection associated with dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating external bacterial ocular infections associated with dry eye, wherein said water-soluble polymer comprises hydroxypropylmethylcellulose. Item 3-3.
- a method of treating bacterial conjunctivitis with dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating bacterial conjunctivitis associated with dry eye, wherein said water-soluble polymer comprises hydroxypropylmethylcellulose.
- Item 3-4 The method of treatment according to any one of Items 3-1 to 3-3, wherein the total concentration of arbekacin and/or salts thereof in the aqueous solution is 0.05 w/v% to 5.0 w/v%. Item 3-5.
- a method of treating a bacterial external ocular infection associated with dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; the water-soluble polymer comprises hydroxypropylmethylcellulose;
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%,
- the mass ratio of the total content of the arbekacin and/or salts thereof and the content of the hydroxypropylmethylcellulose is 1:0.04 to 70,
- the aqueous solution has a pH of 5.0 to 8.0
- a method for treating bacterial external ocular infections associated with dry eye where
- Item 3-10 The treatment method according to any one of Items 3-1 to 3-9, wherein the aqueous solution is an aqueous solution in which C ⁇ (A+B) is greater than 0.
- Item 3-11 The treatment method according to any one of Items 3-1 to 3-10, wherein the aqueous liquid preparation has a rate of decrease in release rate of arbekacin and/or a salt thereof of 5% or more.
- the method of treatment according to any one of Items 3-1 to 3-11, wherein the aqueous solution is eye drops.
- a method of treating dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating dry eye, wherein the water-soluble polymer comprises at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the water-soluble polymer comprises at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- a method for thickening an aqueous solution containing a water-soluble polymer on an ocular surface comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method, wherein the water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method for improving mucin adhesion comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of improving mucin adhesion, wherein said water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of stabilizing a tear film comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of stabilizing a tear film, wherein said water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of treating dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; A method of treating dry eye, wherein the water-soluble polymer comprises hydroxypropylmethylcellulose.
- a method of treating dry eye comprising: A step of administering an aqueous solution containing arbekacin and/or a salt thereof and a water-soluble polymer to a subject in need thereof; the water-soluble polymer comprises hydroxypropylmethylcellulose;
- the total concentration of arbekacin and/or salts thereof is 0.1 w/v% to 3.0 w/v%, the concentration of hydroxypropylmethylcellulose is 0.3 w/v% to 2.0 w/v%,
- the mass ratio of the total content of the arbekacin and/or salts thereof and the content of the hydroxypropylmethylcellulose is 1:0.04 to 70,
- the aqueous solution has a pH of 5.0 to 8.0,
- a method for treating dry eye wherein the aqueous solution has a viscosity of 5 to 50 mPa ⁇ s.
- Item 4-12 The method according to any one of Items 4-1 to 4-11, wherein the aqueous solution is an aqueous solution in which C ⁇ (A+B) is greater than 0.
- aqueous liquid formulation refers to a formulation that contains water as a base and exhibits a liquid state.
- water-soluble polymer refers to a polymer that is soluble in water.
- Albetcacin is 3 -amino -3 -Deoxy - ⁇ -D -Glucopyranosyl- (1 ⁇ 6) - [2,6 -diamino -2, 3,4,6 -Tetradioxy - ⁇ -D -Ellislo -Hexopyran Sil- (1 ⁇ 4)] - [(1 ⁇ 4)] 2S) -4 -Amino -2 -Hydroxy Tanil] -2 -Deoxy -D -steptamine.
- “Arbekacin” is a compound known as an aminoglycoside antibiotic and has strong antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA).
- Arbekacin is also described in JP-A-56-051499 and JP-A-58-134099. It is also listed in each article of the Japanese Pharmacopoeia, 18th Edition. In the present specification, concentrations and amounts of arbekacin and/or salts thereof are concentrations and amounts converted to arbekacin unless otherwise specified.
- hydroxypropyl methylcellulose is a type of cellulosic polymer and refers to a mixed ether of cellulose methyl and hydroxypropyl. Hydroxypropyl methylcellulose is sometimes referred to as hypromellose. It is sometimes abbreviated as HPMC.
- hydroxyethyl cellulose is a type of cellulosic polymer and refers to partially O-(2-hydroxyethyl) cellulose. It is sometimes abbreviated as HEC.
- methyl cellulose is a type of cellulosic polymer and refers to methyl ether of cellulose. It is sometimes abbreviated as MC.
- polyvinylpyrrolidone is a type of polyvinyl polymer and refers to a linear polymer of 1-vinyl-2-pyrrolidone. Polyvinylpyrrolidone is sometimes called povidone or polyvidone. It is sometimes abbreviated as PVP.
- the "viscosity" of the aqueous liquid formulation is measured according to "2.1.3. Cone-plate rotary viscometer (cone-plate type viscometer)" of “2. Method 2 Rotational viscometer method” of "2.53 Viscosity measurement method” defined in the general test method of the 18th revision of the Japanese Pharmacopoeia (30°C ⁇ 0.1°C, preheating time: 0 s, rotation speed of 100 rpm, cone-plate rotary viscometer, cone rotor used: 3° ⁇ R17. 65, measurement time: 90 s). Specifically, the viscosity of the aqueous solution is measured using a viscometer TVE-25 (model: TVE-25L) manufactured by Toki Sangyo Co., Ltd.
- viscosity increase value refers to a value obtained by subtracting the viscosity of the arbekacin and/or water-soluble polymer solution and the viscosity of the mucin solution from the viscosity of the mixed solution of arbekacin and/or water-soluble polymer and mucin, more specifically, the value obtained according to the following formula (Non-Patent Document 2).
- the viscosity increase value due to arbekacin is obtained according to the following formula.
- the viscosity increase value due to the water-soluble polymer is obtained according to the following formula.
- the viscosity increase value due to arbekacin and water-soluble polymer is obtained according to the following formula.
- thickening means that the aqueous solution of arbekacin containing a water-soluble polymer interacts with mucin to increase the viscosity of the aqueous solution.
- the “decreasing rate (%) of the release rate of arbekacin and/or a salt thereof” is an index showing the adhesiveness between arbekacin and mucin, and the higher the decreasing rate, the higher the adhesiveness.
- the “decreasing rate (%) of the release rate of arbekacin and/or its salt” is calculated according to the following formula based on the results of the in vitro dialysis membrane test described below.
- In vitro dialysis membrane test 1) 500 ⁇ L of a sample (containing arbekacin and/or its salt) is enclosed in a 2 mL glass container, the opening is covered with a dialysis membrane, and the surroundings are fixed (the inside of the glass container is the donor side).
- Detector Charged particle detector Column: A commercially available product in which a stainless tube having an inner diameter of 4.6 mm and a length of 250 mm is filled with octylsilylated silica gel for liquid chromatography having a thickness of 5 ⁇ m.
- the "arbekacin solution” is obtained by dissolving the same compound as arbekacin and/or a salt thereof contained in the specimen in the same amount of water.
- the "arbekacin solution” is an arbekacin sulfate aqueous solution with a 1 w/v % arbekacin equivalent.
- molecular adhesiveness means the ability to reversibly bind the water-soluble polymer, arbekacin, and mucin to each other in the aqueous solution by mixing an aqueous solution of arbekacin containing a water-soluble polymer with mucin.
- “improving the conjunctival migration of arbekacin” means that the Cmax of the arbekacin concentration in the conjunctiva when the water-soluble polymer-containing arbekacin aqueous solution is administered is higher than the Cmax of the conjunctival arbekacin concentration when the water-soluble polymer-free arbekacin aqueous solution is administered.
- Cmax means the maximum drug concentration at the target site after drug administration.
- bacterial external eye infection refers to a disease caused by infection of the external eye by bacteria.
- outer eye part refers to organs located around the eyeball, and includes, for example, the conjunctiva, cornea, eyelid, lacrimal gland, and meibomian glands.
- bacterial keratoconjunctivitis refers to a disease in which inflammation occurs due to bacterial infection of the cornea or conjunctiva.
- Bacterial keratitis refers to a disease in which inflammation occurs due to bacterial infection of the cornea.
- Bacterial conjunctivitis refers to a disease in which inflammation occurs due to bacterial infection of the conjunctiva.
- dry eye refers to a disease diagnosed as “dry eye” according to clinical diagnostic criteria. More specifically, it refers to "a multifactorial ocular surface disease characterized by a breakdown in the health of the tear film, with some subjective ocular symptoms, and in which tear film instability and hyperosmolarity, ocular surface inflammation and damage, and sensory nerve abnormalities play an etiological role” (Non-Patent Document 3). "Dry eye” is sometimes referred to as “keratoconjunctivitis sicca.” As used herein, “treatment” means amelioration, alleviation, mitigation, or slowing of progression of a disease or symptom.
- the term "tear film” refers to a layer that covers the surface of the eye and is composed of three layers: a lipid layer (oil layer), an aqueous layer, and a mucin layer. When the water layer and the mucin layer are mixed into one liquid layer, it refers to the layer covering the surface of the eye composed of two layers, the liquid layer in which water and mucin are mixed, and the oil layer (Non-Patent Document 3).
- “tear film stabilization” means stably retaining the tear film on the surface of the eye. Tear break-up time (BUT) refers to the time from tear film formation to break-up. BUT tends to shorten when the tear film becomes unstable. As an example, “tear film stabilization” refers to prolongation of BUT.
- Aqueous Liquid Formulation Aqueous liquid formulations encompassed by the present disclosure include arbekacin and/or salts thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the aqueous liquid formulation is sometimes referred to as "the aqueous liquid formulation of the present disclosure”.
- the salt of arbekacin is not particularly limited as long as it is pharmaceutically acceptable.
- Examples include organic acid salts or inorganic acid salts.
- Organic acid salts include, for example, tartrates and acetates.
- examples of inorganic acid salts include sulfates and hydrochlorides.
- arbekacin or a salt thereof may be in the form of a solvate such as a hydrate.
- arbekacin or salts thereof arbekacin sulfate is preferably used because it is marketed as a drug and its safety has been established.
- arbekacin or a salt thereof may be used alone, or they may be used in combination.
- the total concentration of arbekacin and/or salts thereof in the aqueous liquid preparation of the present disclosure can be, for example, about 0.05 to 5.0 w/v% in terms of arbekacin.
- the upper or lower limit of the range may be, for example, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, or 4.5 w/v%.
- the range is preferably about 0.1 to 3.0 w/v%.
- Hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone are examples of water-soluble polymers used in the composition of the present disclosure. These four types of water-soluble polymers are sometimes collectively referred to as the water-soluble polymer of the present disclosure. Among them, hydroxypropylmethylcellulose is particularly preferable from the viewpoint that the viscosity can be easily maintained over time.
- the said water-soluble polymer can be used individually by 1 type or in combination of 2 or more types.
- the composition of the present disclosure may contain a water-soluble polymer other than the water-soluble polymer of the present disclosure as long as the effect is not impaired.
- the degree of substitution type of hydroxypropylmethylcellulose is defined by the content of methoxy groups and hydroxypropoxy groups (18th revision of the Japanese Pharmacopoeia).
- Degree of substitution type 1828 refers to having a lower limit of 16.5% by weight of methoxy groups, an upper limit of 20.0% by weight of methoxy groups, a lower limit of 23.0% by weight of hydroxypropoxy groups, and an upper limit of 32.0% by weight of hydroxypropoxy groups.
- Degree of substitution type 2208 refers to those having a lower limit of 19.0% by weight of methoxy groups, an upper limit of 24.0% by weight of methoxy groups, a lower limit of 4.0% by weight of hydroxypropoxy groups, and an upper limit of 12.0% by weight of hydroxypropoxy groups.
- Degree of substitution type 2906 refers to those having a lower limit of 27.0% by weight of methoxy groups, an upper limit of 30.0% by weight of methoxy groups, a lower limit of 4.0% by weight of hydroxypropoxy groups, and an upper limit of 7.5% by weight of hydroxypropoxy groups.
- Degree of substitution type 2910 refers to those having a lower limit of 28.0% by weight of methoxy groups, an upper limit of 30.0% by weight of methoxy groups, a lower limit of 7.0% by weight of hydroxypropoxy groups, and an upper limit of 12.0% by weight of hydroxypropoxy groups.
- the degree of substitution type of hydroxypropylmethylcellulose is not particularly limited, and may be any of 1828, 2208, 2906 and 2910. 2208 or 2910 degree of substitution types are preferred.
- the molecular weight of hydroxypropylmethylcellulose is not particularly limited.
- the weight average molecular weight is 10,000 to 500,000, preferably 50,000 to 500,000, more preferably 50,000 to 300,000.
- weight average molecular weight can be determined by a gel permeation chromatography (GPC) method using polystyrene as a standard.
- the concentration of hydroxypropylmethylcellulose in the aqueous liquid preparation of the present disclosure can be, for example, about 0.2 to 3.5 w/v%. It is preferably about 0.3 to 2.0 w/v%, more preferably about 0.3 to 1.5 w/v%, even more preferably about 0.8 to 1.5 w/v%, particularly preferably about 0.8 to 1.4 w/v%.
- the molar substitution degree of hydroxyethoxy groups of hydroxyethyl cellulose is not particularly limited. For example, about 1.5 to 3.0 can be mentioned. About 2.5 is preferable.
- the molecular weight of hydroxyethyl cellulose is not particularly limited.
- the weight average molecular weight is 10,000 to 1,000,000, preferably 100,000 to 1,000,000, more preferably 600,000 to 800,000.
- the concentration of hydroxyethyl cellulose in the aqueous liquid preparation of the present disclosure can be, for example, about 0.05 to 1 w/v%. For example, it may be about 0.08 to 0.6 w/v%, may be about 0.09 to 0.4 w/v%, or may be about 0.2 to 0.4 w/v%.
- the degree of substitution of methylcellulose is not particularly limited. For example, about 1.5 to 3.0 can be mentioned. About 1.8 is preferable.
- the molecular weight of methylcellulose is not particularly limited.
- the weight average molecular weight is 10,000 to 500,000, preferably 100,000 to 500,000, more preferably 300,000 to 500,000.
- the concentration of methyl cellulose in the aqueous liquid preparation of the present disclosure can be, for example, about 0.1 to 1.8 w/v%.
- it may be about 0.15 to 1.0 w/v%, may be about 0.15 to 0.75 w/v%, may be about 0.4 to 0.75 w/v%, or may be about 0.4 to 0.7 w/v%.
- the molecular weight of polyvinylpyrrolidone is not particularly limited.
- the weight average molecular weight is 2,000 to 1,500,000, preferably 40,000 to 1,500,000, more preferably 1,000,000 to 1,500,000.
- the concentration of polyvinylpyrrolidone in the aqueous liquid preparation of the present disclosure can be, for example, about 0.5 to 8.8 w/v%. For example, it may be about 0.75 to 5.0 w/v%, may be about 0.75 to 3.8 w/v%, may be about 2.0 to 3.8 w/v%, or may be about 2.0 to 3.5 w/v%.
- composition of the present disclosure may contain a water-soluble polymer other than the water-soluble polymer of the present disclosure as long as the effect is not impaired.
- water-soluble polymers include, for example, cellulosic polymers other than the water-soluble polymers of the present disclosure, synthetic polymers, and the like.
- examples of the cellulose-based polymer include nonionic cellulose-based polymers, ionic cellulose-based polymers, and the like.
- Nonionic cellulose polymers include, for example, ethyl cellulose, hydroxymethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, etc.
- examples of ionic cellulose polymers include carboxymethyl cellulose, hydroxypropyl methyl cellulose acetate succinate, hydroxypropyl methyl cellulose phthalate, carboxymethyl ethyl cellulose, cellulose acetate phthalate, and the like.
- the synthetic polymer examples include carboxyvinyl polymer, polyacrylic acid, polyvinyl alcohol, and the like.
- 50% by mass or more of the water-soluble polymer contained in the composition is preferably the water-soluble polymer of the present disclosure, more preferably 55, 60, 65, 70, 75, 80, 85, 90, or 95% by mass or more is the water-soluble polymer of the present disclosure, and particularly preferably 100% by mass is the water-soluble polymer of the present disclosure.
- the total concentration of the water-soluble polymer of the present disclosure in the aqueous liquid preparation of the present disclosure can be, for example, approximately 0.05 w/v % to 8.8 w/v %.
- the upper or lower limit of the range is e.g.
- the range may be, for example, about 0.1 to 7 w/v%, may be about 0.2 to 6 w/v%, or may be about 0.3 to 5 w/v%.
- the total concentration of the water-soluble polymer in the aqueous liquid formulation of the present disclosure can be, for example, about 0.05 w/v% to 8.8 w/v%.
- the upper or lower limit of the range is e.g. ,3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8,3.9,4,4.1,4.2,4.3,4.4,4.5,4.6,4.7,4.8,4.9,5,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6,6.1,6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7, 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 8, 8.1, 8.2, 8.3, 8.4, 8.5, 8.6, or 8.7 w/v%.
- the range may be, for example, about 0.1 to 7 w/v%, may be about 0.2 to 6 w/v%, or may be about 0.3 to 5 w/v%.
- the ratio of the water-soluble polymer of the present disclosure to arbekacin and/or its salt is not particularly limited as long as the effect is not impaired.
- the mass ratio of the total content of arbekacin and/or a salt thereof in terms of arbekacin to the content of the water-soluble polymer of the present disclosure can be about 1:0.01 to 180 parts by mass.
- the upper or lower limit of the range (0.01 to 180) is, for example, 0.02, 0.03, 0.04, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6 , 7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48 , 49, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130, 140, 150, 160, or 170.
- the mass ratio may be, for example, about 1:0.01 to 110 parts by mass, may be about 1:0.04 to 70 parts by mass, may be about 1:0.1 to 20 parts by mass, or may be about 1:0.25 to 14 parts by mass.
- the ratio of the water-soluble polymer to arbekacin and/or its salt is not particularly limited as long as the effect is not impaired.
- the mass ratio of the total content of arbekacin and/or salts thereof in terms of arbekacin and the content of the water-soluble polymer can be about 1:0.01 to 180 parts by mass.
- the upper or lower limit of the range (0.01 to 180) is, for example, 0.02, 0.03, 0.04, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6 , 7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48 , 49, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130, 140, 150, 160, or 170. Therefore, the mass ratio may be, for example, about 1:0.01 to 110 parts by mass, may be about 1:0.04 to 70 parts by mass, may be about 1:0.1 to 20
- the aqueous liquid formulation of the present disclosure may contain additives such as buffers, tonicity agents, surfactants, antiseptics or preservatives, cooling agents, stabilizers, pH adjusters, etc., if necessary.
- the buffer is not particularly limited as long as it is pharmaceutically acceptable, and examples include borate buffers, citrate buffers, phosphate buffers, Tris buffers, tartrate buffers, acetate buffers, amino acid buffers, and the like. These buffering agents may be used individually by 1 type, and may be used in combination of 2 or more type.
- borate buffers include boric acid and/or salts thereof.
- Boric acid is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include orthoboric acid, metaboric acid, tetraboric acid and the like. Among these boric acids, orthoboric acid and tetraboric acid are preferred. These boric acids may be used singly or in combination of two or more.
- the salt of boric acid is not particularly limited as long as it is pharmaceutically acceptable, and includes alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as calcium salts and magnesium salts; aluminum salts; organic amine salts such as triethylamine, triethanolamine, morpholine, piperazine, and pyrrolidine.
- boric acid/or its salt may be in the form of a hydrate, such as borax.
- borate buffer one of boric acid and its salts may be selected and used alone, or two or more thereof may be used in combination.
- boric acid and salts thereof at least one of boric acid and borax is preferred, and at least one of orthoboric acid and borax is more preferred.
- Citric acid buffers specifically include citric acid and/or salts thereof.
- the salt of citric acid is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as calcium salts and magnesium salts.
- the citric acid salt may be in the form of a solvate such as a hydrate.
- the citric acid buffer one of citric acid and salts thereof may be selected and used alone, or two or more thereof may be used in combination.
- citric acid salts are preferred, alkali metal citric acid salts are more preferred, and sodium citrate is particularly preferred.
- phosphate buffers include phosphoric acid and/or salts thereof.
- the salt of phosphoric acid is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include dialkali metal hydrogen phosphate such as disodium hydrogen phosphate and dipotassium hydrogen phosphate; alkali metal dihydrogen phosphate such as sodium dihydrogen phosphate and potassium dihydrogen phosphate; and tri-alkali metal phosphate such as trisodium phosphate and tripotassium phosphate.
- the salt of phosphoric acid may be in the form of a solvate such as a hydrate.
- disodium hydrogen phosphate in the case of disodium hydrogen phosphate, it may be in the form of a dodecahydrate, and in the case of sodium dihydrogen phosphate, it may be in the form of a dihydrate.
- phosphate buffer one of phosphoric acid and salts thereof may be selected and used alone, or two or more thereof may be used in combination.
- phosphoric acids and salts thereof phosphates are preferred, more preferably at least one of dialkali metal hydrogen phosphate and alkali metal dihydrogen phosphate, and particularly preferably at least one of disodium hydrogen phosphate and sodium dihydrogen phosphate.
- Tris buffers include trometamol and/or salts thereof.
- the salt of trometamol is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include organic acid salts such as acetate; inorganic acid salts such as hydrochloride and sulfonate.
- the Tris buffer one of trometamol and salts thereof may be selected and used alone, or two or more thereof may be used in combination. Among trometamol and salts thereof, trometamol is preferred.
- tartaric acid buffers include tartaric acid and/or salts thereof.
- Salts of tartaric acid are not particularly limited as long as they are pharmaceutically acceptable, and examples thereof include alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as calcium salts and magnesium salts;
- the salt of tartaric acid may be in the form of a solvate such as a hydrate.
- the tartaric acid buffer one of tartaric acid and salts thereof may be selected and used alone, or two or more thereof may be used in combination.
- acetate buffers include acetic acid and/or salts thereof.
- the salt of acetic acid is not particularly limited as long as it is pharmaceutically acceptable. Examples include alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as calcium salts and magnesium salts; and ammonium salts.
- the acetic acid salt may be in the form of a solvate such as a hydrate.
- one of acetic acid and salts thereof may be selected and used alone, or two or more thereof may be used in combination.
- amino acid buffers include acidic amino acids and/or salts thereof.
- acidic amino acids include aspartic acid and glutamic acid.
- Salts of acidic amino acids are not particularly limited as long as they are pharmaceutically acceptable, and examples thereof include alkali metal salts such as sodium salts and potassium salts.
- the amino acid buffer one selected from acidic amino acids and salts thereof may be used alone, or two or more thereof may be used in combination.
- the concentration of the buffering agent in the aqueous solution of the present disclosure may be appropriately set within a range in which the desired buffering capacity can be imparted to the aqueous solution, and can be, for example, about 0.01 to 3.0 w/v%.
- the tonicity agent is not particularly limited as long as it is pharmaceutically acceptable.
- examples include polyhydric alcohols such as glycerin, propylene glycol, butylene glycol, and polyethylene glycol; metal salts such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, sodium acetate, potassium acetate, sodium hydrogen sulfite, sodium hydrogen carbonate, sodium carbonate, disodium hydrogen phosphate, and sodium dihydrogen phosphate.
- polyhydric alcohols such as glycerin, propylene glycol, butylene glycol, and polyethylene glycol
- metal salts such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, sodium acetate, potassium acetate, sodium hydrogen sulfite, sodium hydrogen carbonate, sodium carbonate, disodium hydrogen phosphate, and sodium dihydrogen phosphate.
- isotonizing agents may be used singly or in combination of two or more.
- the surfactant is not particularly limited as long as it is pharmaceutically acceptable, but for example, nonionic surfactants such as tyloxapol, polyoxyethylene hydrogenated castor oil, polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, and octoxynol; amphoteric surfactants such as alkyldiaminoethylglycine and betaine lauryldimethylaminoacetate; and cationic surfactants such as alkylpyridinium salts and alkylamine salts. These surfactants may be used singly or in combination of two or more.
- nonionic surfactants such as tyloxapol, polyoxyethylene hydrogenated castor oil, polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, and octoxynol
- amphoteric surfactants such as alkyldiaminoethylglycine and be
- the antiseptic or preservative is not particularly limited as long as it is pharmaceutically acceptable, but for example, sorbic acid or its salts, benzoic acid or its salts, methyl paraoxybenzoate, ethyl paraoxybenzoate, propyl paraoxybenzoate, chlorobutanol, benzalkonium chloride, chlorhexidine hydrochloride, chlorhexidine gluconate, chlorhexidine acetate, dehydroacetic acid or its salts, benzethonium chloride, benzyl alcohol, zinc chloride, Zinc sulfate, silver nitrate, polyhexanide, alkyldiaminoethylglycine hydrochloride, parachlormetaxylenol, chlorcresol, phenethyl alcohol, polydronium chloride, thimerosal, dibutylhydroxytoluene and the like.
- These preservatives or preservatives may be used singly or in combination of two or
- the cooling agent is not particularly limited as long as it is pharmaceutically acceptable, and examples include l-menthol, borneol, camphor, eucalyptus oil, and the like. These cooling agents may be used singly or in combination of two or more.
- the stabilizer is not particularly limited as long as it is pharmaceutically acceptable.
- chelating agents such as edetic acid, citric acid, succinic acid, ascorbic acid, trihydroxymethylaminomethane, nitrilotriacetic acid, 1-hydroxyethane-1,1-diphosphonic acid, polyphosphoric acid, metaphosphoric acid, hexametaphosphoric acid, and salts thereof; sodium thiosulfate, sulfite, monoethanolamine, cyclodextrin, dextran, ascorbic acid, taurine, copherol, dibutylhydroxytoluene, and the like.
- the salt form is not particularly limited as long as it is pharmaceutically acceptable, and examples thereof include alkali metal salts such as sodium salts and potassium salts. These stabilizers may be used singly or in combination of two or more.
- the pH adjuster is not particularly limited as long as it is pharmaceutically acceptable.
- examples include acids such as hydrochloric acid, acetic acid, boric acid, aminoethylsulfonic acid, and epsilon-aminocaproic acid; alkalis such as sodium hydroxide, potassium hydroxide, borax, triethanolamine, monoethanolamine, sodium hydrogen carbonate, and sodium carbonate.
- acids such as hydrochloric acid, acetic acid, boric acid, aminoethylsulfonic acid, and epsilon-aminocaproic acid
- alkalis such as sodium hydroxide, potassium hydroxide, borax, triethanolamine, monoethanolamine, sodium hydrogen carbonate, and sodium carbonate.
- concentrations of these additives may be appropriately set according to the types of additives used and the properties to be imparted to the aqueous solution.
- the pH of the aqueous liquid formulation of the present disclosure is not particularly limited as long as it is pharmaceutically acceptable.
- about pH 5.0 to 8.0 can be mentioned.
- it may be about 5.4 to 7.5, about 5.4 to 7.0, or about 5.4 to 6.0.
- the viscosity of the aqueous liquid formulation of the present disclosure is not particularly limited, but can be, for example, about 5.0 to 100 mPa ⁇ s. For example, it may be about 5 to 50 mPa ⁇ s, about 10 to 35 mPa ⁇ s, or about 20 to 35 mPa ⁇ s.
- the osmotic pressure of an aqueous solution is a value measured according to the method specified in "2.47 Osmotic pressure measurement method (osmolality measurement method)" of "General test methods” of the 18th revision of the Japanese Pharmacopoeia.
- the osmotic pressure of the aqueous liquid preparation of the present disclosure is not particularly limited as long as it is applicable to the intended use. For example, when applied to the ocular mucosa, the osmotic pressure is about 243 to 350 mOsm/kg.
- the osmotic pressure ratio of the aqueous solution refers to the ratio of the osmotic pressure of the aqueous solution to the osmotic pressure of the physiological saline (0.9 w/v% sodium chloride aqueous solution).
- the osmotic pressure ratio of the aqueous liquid preparation of the present disclosure is not particularly limited as long as it is applicable to the intended use.
- the osmotic pressure ratio ranges from 0.85 to 1.15. From the viewpoint of alleviating eye irritation, it is preferably 0.9 to 1.1, more preferably 1.0.
- the value obtained by subtracting the viscosity increase value due to arbekacin and the water-soluble polymer solution from the viscosity increase value due to arbekacin and the water-soluble polymer is preferably greater than zero.
- C ⁇ (A+B) is greater than 0 (C ⁇ (A+B)>0) in the aqueous liquid formulation of the present disclosure.
- C ⁇ (A+B) may be greater than any of 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65. Among them, 0.1 is preferred, 0.3 is more preferred, and 0.5 is even more preferred.
- the aqueous liquid preparation of the present disclosure preferably has a rate of decrease in release rate of arbekacin and/or a salt thereof of 5% or more.
- the reduction in release rate of arbekacin and/or salts thereof may be greater than any of 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25%. Among them, 5% is preferred, 15% is more preferred, and 25% is even more preferred.
- the formulation form of the aqueous solution of the present disclosure is not particularly limited, and may be any of an aqueous solution, a suspension, an emulsion, and the like. An aqueous solution is preferred.
- aqueous liquid preparation of the present disclosure may be manufactured according to a known preparation method according to its formulation form, for example, it can be manufactured using the method described in the 18th revision of the Japanese Pharmacopoeia General Rules for Formulations.
- the method for producing an aqueous liquid preparation of the present disclosure includes a step of blending arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone into a pharmaceutically acceptable aqueous medium.
- "Pharmaceutically acceptable aqueous medium” means a pharmaceutically acceptable aqueous medium and includes, for example, purified water.
- the order of blending each component is not particularly limited, and the components may be blended sequentially in any order, or may be blended simultaneously.
- the aqueous liquid formulation of the present disclosure is prepared into pharmaceutical compositions for various uses such as ophthalmology, dentistry, otolaryngology, and dermatology, and used as topical administration formulations.
- the aqueous solutions of the present disclosure can be, for example, ophthalmic, dental, otolaryngological, or dermatological compositions. Ophthalmic compositions are preferred.
- ophthalmic compositions include eye drops, eye washes, contact lens preparations, injections, and the like. Among these, eye drops are preferred.
- Arbekacin and/or a salt thereof contained in the aqueous liquid preparation of the present disclosure exerts an antibacterial effect against Gram-positive and Gram-negative bacteria. Therefore, the aqueous liquid preparation of the present disclosure can be suitably used, for example, for the treatment of bacterial external eye infections and bacterial keratoconjunctivitis (bacterial conjunctivitis and/or bacterial keratitis), and can be more suitably used for the treatment of bacterial conjunctivitis. Gram-positive bacteria, Gram-negative bacteria, etc. are mentioned as causative bacteria of a bacterial external eye infection.
- Gram-positive bacteria that cause bacterial conjunctivitis include, for example, Staphylococci (eg, methicillin-resistant Staphylococcus aureus), Streptococcus pneumoniae, and Corynebacterium.
- Gram-negative bacteria that cause bacterial conjunctivitis include, for example, Haemophilus influenzae, Moraxella, and Neisseria gonorrhoeae (Noriko Inada, Clinical Ophthalmology, Vol. 75, No. 11, 2021).
- causative bacteria of bacterial keratitis examples include Streptococcus pneumoniae, Staphylococcus aureus, Pseudomonas aeruginosa, Moraxella, Serratia, Streptococcus, Neisseria gonorrhoeae, anaerobes, and atypical acid-fast bacteria (Clinical Guidelines for Infectious Keratitis (2nd edition), Japanese Ophthalmological Society, 2013).
- the causative bacteria of bacterial external eye infection and bacterial keratoconjunctivitis may be one type alone or two or more types in combination.
- Bacterial external eye infections are preferably caused by Staphylococcus (e.g., methicillin-resistant Staphylococcus aureus), Corynebacterium, Pseudomonas aeruginosa, Haemophilus influenzae, Streptococcus pneumoniae, Moraxella, Neisseria gonorrhoeae, Serratia, or Streptococcus.
- Staphylococcus e.g., methicillin-resistant Staphylococcus aureus
- Corynebacterium eudomonas aeruginosa
- Haemophilus influenzae Streptococcus pneumoniae
- Moraxella Moraxella
- Neisseria gonorrhoeae Neisseria gonorrhoeae
- Serratia Neisseria gonorrhoeae
- Streptococcus Preferred are Staphylococci (eg, methicillin-resistant
- Non-Patent Document 4 It is known that nonionic water-soluble polymers such as hydroxypropylmethylcellulose, methylcellulose, and polyvinylpyrrolidone do not have mucin adhesiveness (Non-Patent Document 4). Nevertheless, as shown in the examples below, it was found that the aqueous liquid preparation of the present disclosure interacts with mucin and thickens when these water-soluble polymers and arbekacin and/or salts thereof are used in combination. When the viscosity of the ophthalmic solution increases, it tends to remain on the ocular surface for a long period of time, thereby improving the migration of the drug to target sites such as the cornea and conjunctiva.
- the aqueous solution of the present disclosure is mixed with mucin to allow the water-soluble polymer, arbekacin and mucin to interact in the aqueous solution.
- mucins are classified into free mucins and membranous mucins, both of which have carboxyl groups at their ends and are negatively charged.
- the mucin layer is composed such that the mucins repel each other and the free mucin spreads over the membranous mucin expressed in epithelial cells of the cornea and conjunctiva (Non-Patent Document 5).
- Non-Patent Document 6 Both free mucin and membrane-type mucin are known to contribute to the stabilization of the tear film.
- the aqueous liquid preparation of the present disclosure interacts with the free mucin floating in the aqueous layer of the tear film, thereby facilitating retention in tear fluid for a long period of time.
- the aqueous liquid preparation of the present disclosure adheres to the ocular surface by interacting with membranous mucin that is expressed on the surface of the epithelial cells of the cornea and conjunctiva, and tends to gather near target sites such as the cornea and conjunctiva.
- the aqueous liquid preparation of the present disclosure when administered by eye drops, it has excellent migration of arbekacin to target sites such as the cornea and conjunctiva due to the effect of thickening on the ocular surface and the effect of adhesion to mucin.
- the aqueous liquid preparation of the present disclosure has excellent transferability of arbekacin, and therefore has an excellent effect on the treatment of bacterial external ocular infections (more specifically, bacterial keratoconjunctivitis).
- the aqueous solution of the present disclosure can also thicken the tear film and stabilize the tear film.
- the aqueous solution of the present disclosure stabilizes the tear film when administered instilled into the eye so that the tear film stays in the cornea for a long period of time and prevents exposure of the eye surface, thus having a protective effect on the eye surface. Therefore, the aqueous liquid preparation of the present disclosure can be suitably used, for example, for tear film stabilization applications.
- One of the pathological conditions of dry eye is destabilization of the tear film and shortening of BUT, which leads to failure of ocular surface protection and causes superficial punctate keratopathy (SPK). Since the aqueous solution of the present disclosure stabilizes the tear film when administered instilled into the eye, it improves BUT prolongation and SPK, and can be used for dry eye treatment.
- SPK superficial punctate keratopathy
- Non-Patent Document 8 The tear film is known to protect the ocular surface from bacteria, and the antibacterial activity of mucin has also attracted attention (Non-Patent Document 8). Since the aqueous solution of the present disclosure stabilizes the tear film when administered instilled into the eye, the tear film protects the ocular surface, making it difficult for external enemies such as bacteria to enter, and the antibacterial activity inherent in tear fluid is more effectively exhibited. In addition, the antibacterial effect of arbekacin is enhanced due to the above-described thickening and adhesiveness-improving effects, and thus has excellent effects on the treatment of bacterial external eye infections (more specifically, bacterial keratoconjunctivitis).
- the aqueous solution of the present disclosure has a tear film stabilizing effect of the aqueous solution of the present disclosure in addition to the therapeutic effect of arbekacin on bacterial external eye infections, it can be used particularly for the treatment of bacterial external eye infections associated with dry eye.
- Subjects for administration of the aqueous liquid formulation of the present disclosure include, for example, humans and mammals other than humans (eg, rats, mice, rabbits, cows, pigs, dogs, cats, sheep, monkeys, etc.).
- Humans to be administered include, for example, patients with bacterial keratoconjunctivitis, humans suspected of having bacterial keratoconjunctivitis, and humans infected with the bacteria described above.
- humans infected with or suspected of being infected with Staphylococci e.g., methicillin-resistant Staphylococcus aureus, etc.
- Staphylococci e.g., methicillin-resistant Staphylococcus aureus, etc.
- Corynebacterium, Pseudomonas aeruginosa, Haemophilus influenzae, Streptococcus pneumoniae, Moraxella, Neisseria gonorrhoeae, Serratia, or Streptococcus are preferred, and humans infected or infected with Staphylococci (e.g., methicillin-resistant Staphylococcus aureus, etc.), Corynebacterium, Pseudomonas aeruginosa, Haemophilus influenzae, or Streptococcus pneumoniae.
- Staphylococci e.g., methicillin-resistant Staphylococcus aureus
- Humans suspected of being infected with Staphylococcus are more preferred, humans infected with or suspected of being infected with Staphylococcus spp.
- Humans to be administered include, for example, humans with an unstable tear film. More specifically, dry eye patients, or humans suspected of having dry eye; patients with bacterial external eye infection associated with dry eye (more specifically, bacterial keratoconjunctivitis) or people suspected of having bacterial external eye infection associated with dry eye (more specifically, bacterial keratoconjunctivitis) are exemplified.
- the administration (ingestion) amount of the aqueous liquid preparation of the present disclosure is not particularly limited, and is determined according to the age, body weight, sex, severity of symptoms, administration method, etc. of the subject to be administered.
- the dosage of arbekacin can be about 0.004 to 1.5 mg/kg body weight per day.
- one drop (eg, 1 to 3 drops, etc.) may be instilled once or multiple times (eg, 2 to 8 times, etc.) per day. In one aspect of the aqueous solution of the present disclosure, one drop is instilled twice a day.
- the present disclosure also includes a method of treating a bacterial external ocular infection (more specifically, bacterial keratoconjunctivitis), comprising administering to a subject in need thereof an aqueous solution comprising arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the present disclosure also encompasses a method of treating dry eye comprising administering to a subject in need thereof an aqueous solution comprising arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- the present disclosure also encompasses a method of treating external bacterial ocular infections associated with dry eye (more specifically, bacterial keratoconjunctivitis), comprising administering to a subject in need thereof an aqueous solution comprising arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- aqueous liquid preparation can be used.
- the present disclosure also includes a method for thickening an aqueous solution containing a water-soluble polymer on the ocular surface, comprising administering an aqueous solution containing arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone to a subject in need thereof.
- the description in the column "2. Aqueous solution" can be used.
- the present disclosure also includes methods for improving mucin adhesion , comprising administering to a subject in need thereof an aqueous solution comprising arbekacin and/or salts thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- aqueous liquid preparation can be used.
- the present disclosure also includes a method for improving conjunctival transport of arbekacin and/or a salt thereof, comprising administering to a subject in need thereof an aqueous solution containing arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- aqueous liquid formulation can be used.
- the present disclosure also encompasses methods of stabilizing the tear film comprising administering to a subject in need thereof an aqueous solution comprising arbekacin and/or salts thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- aqueous solution comprising arbekacin and/or salts thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropylmethylcellulose, hydroxyethylcellulose, methylcellulose, and polyvinylpyrrolidone.
- Test Example 1 Viscosity measurement in the presence of mucin The viscosity was measured when a sample and a mucin solution were mixed with reference to the test method described in EmadEldin Hassan and James M. Gallo, A Simple Rheological Method for the in VitroAssessment of Mucin-Polymer Bioadhesive Bond Strength. In addition, the interaction between the sample and mucin was considered by comparing the respective viscosities.
- Specimens 1 to 11 were prepared by mixing each pre-dissolved solution so as to have the composition shown in Table 1 of the specimen .
- mucin derived from porcine stomach, Type II, reagent, Sigma Aldrich
- 0.1 M (mol/L) phosphate buffer so that the pH was the same as that of tears (neutral), and the pH was adjusted to 7.0 with hydrochloric acid or sodium hydroxide to prepare a 6 w/v% mucin solution.
- Preliminary solution preparation method 25 w/v %, 16 w/v % or 10 w/v % arbekacin solution: Arbekacin sulfate was dissolved in purified water. 2.5 w/v% HPMC solution: Hypromellose 2208 (90SH-100SR, Japanese Pharmacopoeia (Japanese Pharmacopoeia) compliant product, Shin-Etsu Chemical Co., Ltd.) was added and dispersed in heated (approximately 80°C) purified water, and dissolution was confirmed by cooling to room temperature.
- 1M phosphate buffer Sodium dihydrogen phosphate hydrate (Japan Pharmacopoeia compliant product, Fujifilm Wako Pure Chemical Industries, Ltd.) was dissolved in purified water, and the pH was adjusted to 7.0 with hydrochloric acid or sodium hydroxide.
- 0.1 M phosphate buffer 1 M phosphate buffer was diluted 1/10 with purified water.
- Viscosity measurement A mixed solution of each sample (1 mL) and 6 w/v% mucin solution (1 mL), a mixed solution of each sample (1 mL) and 0.1 M phosphate buffer (1 mL), and a mixed solution of 0.1 M phosphate buffer (1 mL) and 6 w/v% mucin solution (1 mL) were measured for viscosity according to the following conditions.
- Viscosity measurement conditions Measurement device: TVE-25 viscometer (Toki Sangyo Co., Ltd.) Rotor: 1°34' x R24 or 3° x R17.65 (change the rotor depending on the viscosity to be measured) Sample volume: 1.1 mL (when using rotor 1°34' x R24) or 0.8 mL (when using rotor 3° x R17.65) Preheat time: 120s Measurement time: 90s Measurement temperature: 34°C ⁇ 0.1°C Rotation speed: 100rpm
- B Viscosity increase value by HPMC (mPa s)
- C Defined as the viscosity increase value (mPa s) due to arbekacin + HPMC, When C ⁇ (A+B)>0, the aqueous solution containing arbekacin and HPMC was evaluated to have a synergistic thickening effect when in contact with the mucin solution.
- Table 2 shows the sample numbers used to calculate A, B and C for each concentration of arbekacin and HPMC.
- Table 3 shows the results of evaluating the viscosity increase value of each sample and the interaction between each sample and mucin.
- Specimens 12 to 19 were prepared by mixing each preliminary dissolution liquid so as to have the composition shown in Table 4 of the specimen .
- Hypromellose 2208 (90SH-100SR, Japanese Pharmacopoeia (Japanese Pharmacopoeia) compliant product, Shin-Etsu Chemical Co., Ltd.)
- the concentration of each water-soluble polymer solution was set so as to have a viscosity similar to that of a 1.4 w/v% solution.
- mucin derived from porcine stomach, Type II, reagent, Sigma Aldrich
- 0.1 M phosphate buffer so that the pH was the same as that of tear fluid (neutral)
- the pH was adjusted to 7.0 with hydrochloric acid or sodium hydroxide to prepare a 6 w/v% mucin solution.
- Preparation method of preliminary dissolution solution 1 w/v% HEC solution: Hydroxyethyl cellulose (Japanese Pharmacopoeia (Japanese Pharmacopoeia) compliant product, Ashland, Inc.) was added and dispersed in heated (approximately 80°C) purified water, cooled to room temperature, and dissolution was confirmed.
- 1.6 w/v% MC solution Methyl cellulose (SM-400, Japanese Pharmacopoeia (Japanese Pharmacopoeia) compliant product, Shin-Etsu Chemical Co., Ltd.) was added to purified water heated (approximately 80°C) and dispersed, followed by ice cooling to confirm dissolution.
- PVP solution Polyvinylpyrrolidone (Kollidon 90F, Japanese Pharmacopoeia (JP) compliant product, BASF SE) was dissolved in purified water.
- a 10 w/v % arbekacin solution, 1 M phosphate buffer and 0.1 M phosphate buffer were prepared in the same manner as described above.
- the viscosity was measured using the same method and conditions as those described above, and the viscosity increase value was calculated.
- Viscosity increase value due to arbekacin (mPa s) B: Viscosity increase value due to each water-soluble polymer (mPa s)
- C Defined as viscosity increase value (mPa s) due to arbekacin + each water-soluble polymer, When C ⁇ (A+B)>0, it was evaluated that an aqueous solution containing arbekacin and each water-soluble polymer had a synergistic thickening effect when in contact with a mucin solution.
- Table 5 shows the sample numbers used to calculate A, B and C for each concentration of arbekacin and each water-soluble polymer.
- Table 6 shows the results of evaluating the viscosity increase value of each sample and the interaction between each sample and mucin.
- Test Example 2 In Vitro Dialysis Membrane Test For the purpose of investigating the interaction between an aqueous solution containing arbekacin and HPMC and mucin, an in vitro dialysis membrane test was carried out using a dialysis membrane to confirm the release rate of arbekacin.
- Specimens 20 to 27 were obtained by adding the required amount of the pre-dissolution solution shown below to a 1.5 mL polypropylene tube and sufficiently pipetting with a micropipette.
- arbekacin sulfate was added to purified water and dissolved.
- 2.5 w/v % HPMC solution Hypromellose 2208 (90SH-100SR, Japanese Pharmacopoeia compliant product, Shin-Etsu Chemical Co., Ltd.) was added and dispersed in heated (approximately 80°C) purified water, cooled to room temperature, and dissolution was confirmed.
- Phosphate buffered saline (PBS), pH 7.4: PBS Tablet (reagent, Takara Bio Inc.) was added to purified water and dissolved.
- 2.5 w/v % and 5 w/v % mucin solutions Mucin (derived from porcine stomach, for biochemistry, Fuji Film Wako Pure Chemical Industries, Ltd.) was dissolved in PBS or water.
- Test method 1 500 ⁇ L of a specimen was enclosed in a 2 mL glass container, the opening was covered with a dialysis membrane, and the surroundings were fixed (the inside of the glass container is the donor side). It was confirmed that the glass container and the dialysis membrane were in close contact with each other and did not leak.
- the dialysis membrane a commercially available product with the following specifications was used. Fractional molecular weight: 12000-14000, membrane material: regenerated cellulose. 2) 1) was attached to a beaker (external liquid side) filled with PBS (15 mL) so as to have a constant height from the bottom of the beaker, and the liquid in the beaker was stirred using a stirrer.
- Drug residual rate (%) in the donor relative to the theoretical total amount 100 - (cumulative amount of arbekacin released into the external solution by the time of sampling ( ⁇ g)/theoretical total amount of arbekacin contained in the donor side ( ⁇ g) ⁇ 100)
- Test Condition Detector Charged particle detector Corona Veo RS Column: Commercial product (Inertsil C8, 5 ⁇ m, 4.6 mm ⁇ 250 mm, GL Sciences) in which a stainless steel tube with an inner diameter of 4.6 mm and a length of 250 mm is filled with 5 ⁇ m of octylsilylated silica gel for liquid chromatography.
- Column temperature Constant temperature around 30°C
- Mobile phase Gradient with 5 mM heptafluorobutyric acid aqueous solution and 5 mM heptafluorobutyric acid acetonitrile solution
- Flow rate 1.4 mL per minute
- Table 8 shows the residual rate of arbekacin, the release rate, and the decrease rate of the release rate at each time point. Also, the release profile of each analyte is shown in FIG.
- Test Example 3 Evaluation of Conjunctival Transfer An aqueous solution containing arbekacin was administered to Japanese white rabbits in a single eye drop, and the concentration of arbekacin in the conjunctiva was evaluated.
- HPMC HPMC was added to purified water heated (approximately 80° C.) and dispersed, cooled to room temperature, and dissolution was confirmed. This liquid was coarsely filtered through a 5 ⁇ m membrane filter to obtain a concentrate A of HPMC.
- Trometamol, sodium thiosulfate hydrate and arbekacin sulfate were added and dissolved in separately prepared purified water.
- Hydrochloric acid or sodium hydroxide was added to this liquid to adjust the pH to 7.0, and a concentrated liquid B was obtained by mixing each component.
- Concentrate B and benzalkonium chloride solution were added to concentrate A (used for preparation of specimen 28) or purified water (used for preparation of specimen 29) and stirred until uniform.
- Eye drop administration 1) The rabbit was restrained, and it was confirmed by visual observation that there was no disorder in the anterior segment of the eye. 2) Using a micropipette, 35 ⁇ L of the sample was instilled into the eye, and the subject was forced to blink twice. 3) The restraint was released 30 minutes after administration.
- Kanamycin monosulfate was used as the internal standard (IS), and the concentration of arbekacin in the conjunctiva was analyzed using LC-MS/MS (Q TRAP 5500, AB SCIEX Pte. Ltd.) in positive ion mode.
- Solution preparation 20 mM EDTA 0.672 g of disodium dihydrogendihydrogen ethylenediaminetetraacetate dihydrate was collected. Then 100 mL of water was added and dissolved. Diluent water/20 mM EDTA/formic acid (1000:2:1, v/v) and acetonitrile/formic acid (1000:1, v/v) were mixed 1:1. 2 mg of IS solution kanamycin monosulfate was weighed and dissolved in 20 mL of 20% methanol. It was then diluted with acetonitrile to 3.00 ⁇ g/mL.
- Blank Samples 1 20 ⁇ L of blank 10% conjunctiva homogenate was taken. 2) 40 ⁇ L of acetonitrile was added. 3) 80 ⁇ L of acetonitrile was added and mixed.
- Pretreatment 1 400 ⁇ L of dilution liquid was added and mixed. 2) Centrifuged at 4°C and 20000 xg for 10 minutes. 3) The supernatant was injected into the LC-MS/MS.
- a single dose of HPMC-containing 3% arbekacin ophthalmic solution (specimen 28) having an evaluation viscosity of about 15 mPa s (30° C. ⁇ 0.1° C., preheating time: 0 s, rotation speed of 100 rpm, TVE-25 viscometer, cone rotor used: 3° ⁇ R17.65, measurement time: 90 s) was administered to rabbits.
- a single eye drop of HPMC-free 3% arbekacin ophthalmic solution (Sample 29) was administered to rabbits.
- Tables 12 and 13 provide detailed data for C max and area under the concentration-time curve (AUC 0-t ) for arbekacin concentrations in the conjunctiva.
- the maximum conjunctival arbekacin concentration (C max ) and AUC 0-t from time 0 to final measurable time t after administration of HPMC-containing 3% arbekacin ophthalmic solution (specimen 28) were 58.5 ⁇ g/g and 20.2 ⁇ g ⁇ h/g, respectively.
- the C max and AUC 0-t of the arbekacin concentration in the conjunctiva after administration of HPMC-free 3% arbekacin ophthalmic solution were 17.0 ⁇ g/g and 10.5 ⁇ g ⁇ h/g, respectively.
- the HPMC-containing formulation showed about 3.4-fold higher C max and about 1.9-fold higher AUC 0-t than the HPMC-free formulation. This suggests that adding HPMC to the arbekacin ophthalmic solution prolongs the retention time of the arbekacin ophthalmic solution on the ocular surface and increases the concentration of arbekacin in the conjunctiva.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ophthalmology & Optometry (AREA)
- Inorganic Chemistry (AREA)
- Oncology (AREA)
- Communicable Diseases (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
項1-1.
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤であって、
該水溶性高分子が、ヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、水性液剤。
項1-2.
前記アルベカシン及び/又はその塩の総濃度が、0.05w/v%~5.0w/v%である、項1-1に記載の水性液剤。
項1-3.
前記アルベカシン及び/又はその塩の総濃度が、0.1w/v%~3.0w/v%である、項1-1又は1-2に記載の水性液剤。
項1-4.
前記水溶性高分子が、ヒドロキシプロピルメチルセルロースを含む、項1-1~1-3のいずれか一項に記載の水性液剤。
項1-5.
前記水溶性高分子の濃度が0.05w/v%~8.8w/v%である、項1-1~1-4のいずれか一項に記載の水性液剤。
項1-6.
前記水溶性高分子の濃度が0.3w/v%~2.0w/v%である、項1-1~1-5のいずれか一項に記載の水性液剤。
項1-7.
前記水溶性高分子の濃度が0.8w/v%~1.4w/v%である、項1-1~1-6のいずれか一項に記載の水性液剤。
項1-8.
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、
ヒドロキシプロピルメチルセルロースの濃度が0.8w/v%~1.4w/v%である、水性液剤。
項1-9.
前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.04~70である、項1-1~1-8のいずれか一項に記載の水性液剤。
項1-10.
前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.1~20である、項1-1~1-9のいずれか一項に記載の水性液剤。
項1-11.
前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.25~14である、項1-1~1-10のいずれか一項に記載の水性液剤。
項1-12.
前記水性液剤のpHが、5.0~8.0である、項1-1~1-11のいずれか一項に記載の水性液剤。
項1-13.
前記水性液剤の粘度が、5~50mPa・sである、項1-1~1-12のいずれか一項に記載の水性液剤。
項1-14.
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該水溶性高分子の含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、水性液剤。
項1-15.
C-(A+B)が0より大きい、項1-1~1-14のいずれか一項に記載の水性液剤。 A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
前記C-(A+B)が0.1より大きい、項1-1~1-15のいずれか一項に記載の水性液剤。
項1-17.
前記C-(A+B)が0.5より大きい、項1-1~1-16のいずれか一項に記載の水性液剤。
項1-18.
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該水溶性高分子の含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sであり、
C-(A+B)が0より大きい、水性液剤。
A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
アルベカシン及び/又はその塩の放出速度の低下率が5%以上である、項1-1~1-18のいずれか一項に記載の水性液剤。
項1-20.
アルベカシン及び/又はその塩の放出速度の低下率が25%以上である、項1-1~1-19のいずれか一項に記載の水性液剤。
項1-21.
点眼液である、項1-1~1-20のいずれか一項に記載の水性液剤。
項1-22.
水溶性高分子を含む水性液剤を眼表面で増粘するために使用される、項1-1~1-21のいずれか一項に記載の水性液剤。
項1-23.
ムチン接着性を向上するために使用される、項1-1~1-22のいずれか一項に記載の水性液剤。
項1-24.
涙液層安定化用である、項1-1~1-23のいずれか一項に記載の水性液剤。
項1-25.
アルベカシンの結膜移行性を向上するために使用される、項1-1~1-24のいずれか一項に記載の水性液剤。
項1-26.
細菌性外眼部感染症治療用である、項1-1~1-25のいずれか一項に記載の水性液剤。
項1-27.
細菌性角結膜炎治療用である、項1-1~1-26のいずれか一項に記載の水性液剤。
項1-28.
細菌性結膜炎治療用である、項1-1~1-27のいずれか一項に記載の水性液剤。
項1-29.
前記細菌がグラム陽性菌又はグラム陰性菌である、項1-1~1-28のいずれか一項に記載の水性液剤。
項1-30.
前記細菌が、メチシリン耐性黄色ブドウ球菌、ブドウ球菌、コリネバクテリウム菌、緑膿菌、インフルエンザ菌、肺炎球菌、モラクセラ、淋菌、セラチア、レンサ球菌、嫌気性菌、非定型抗酸菌肺炎球菌から選ばれる少なくとも1種である、項1-1~1-29のいずれか一項に記載の水性液剤。
項1-31.
ドライアイ治療用である、項1-1~1-30のいずれか一項に記載の水性液剤。
項1-32.
ドライアイを伴う細菌性外眼部感染症治療用である、項1-1~1-31のいずれか一項に記載の水性液剤。
項1-33.
ドライアイを伴う細菌性角結膜炎治療用である、項1-1~1-32のいずれか一項に記載の水性液剤。
項1-34.
ドライアイを伴う細菌性結膜炎治療用である、項1-1~1-33のいずれか一項に記載の水性液剤。
項1-35.
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
細菌性外眼部感染症治療用である、水性液剤。
項1-36.
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
ドライアイを伴う細菌性外眼部感染症治療用である、水性液剤。
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、細菌性外眼部感染症の治療方法。
項2-2.
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、細菌性外眼部感染症の治療方法。
項2-3.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、細菌性結膜炎の治療方法。
項2-4.
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、
細菌性外眼部感染症の治療方法。
項2-5.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含む、
細菌性結膜炎の治療方法。
項2-6a.
該水性液剤がムチンと接触する工程を含む、項2-1~2-5のいずれか一項に記載の治療方法。
項2-6b.
前記水性液剤を、それを必要とする対象の眼表面に投与する工程が、
前記水性液剤がムチンと接触するように前記対象の眼表面に投与する工程である、
項2-1~2-5のいずれか一項に記載の治療方法。
項2-7a.
該水性液剤が眼表面で増粘する工程を含む、項2-1~2-6のいずれか一項に記載の治療方法。
項2-7b.
前記水性液剤を、それを必要とする対象の眼表面に投与する工程が、
前記水性液剤が眼表面で増粘するように前記対象の眼表面に投与する工程である、
項2-1~2-6のいずれか一項に記載の治療方法。
項2-8a.
該水性液剤のムチン接着性を向上する工程を含む、項2-1~2-7のいずれか一項に記載の治療方法。
項2-8b.
前記水性液剤を、それを必要とする対象の眼表面に投与する工程が、
投与後に前記水性液剤のムチン接着性が向上するように前記対象の眼表面に投与する工程である、
項2-1~2-7のいずれか一項に記載の治療方法。
項2-9a.
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含み、
該水性液剤がムチンと接触することで、該水性液剤が増粘し、該水性液剤のムチン接着性を向上する工程を含む、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、
細菌性外眼部感染症の治療方法。
項2-9b.
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含み、
当該投与は、該水性液剤がムチンと接触することで、該水性液剤が増粘し、該水性液剤のムチン接着性が向上するように行われる、
細菌性外眼部感染症の治療方法。
項2-9c.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含み、
該水性液剤がムチンと接触することで、該水性液剤が増粘し、該水性液剤のムチン接着性を向上する工程を含む、
細菌性結膜炎の治療方法。
項2-9d.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む水性液剤を、それを必要とする対象の眼表面に投与する工程を含み、
当該投与は、該水性液剤がムチンと接触することで、該水性液剤が増粘し、該水性液剤のムチン接着性が向上するように行われる、
細菌性結膜炎の治療方法。
項2-10.
アルベカシン及び/又はその塩の結膜移行性を向上する方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、結膜移行性を向上する方法。
項2-11.
前記水性液剤中、アルベカシン及び/又はその塩の総濃度が、0.05w/v%~5.0w/v%である、項2-1~2-10のいずれか一項に記載の方法。
項2-12.
前記水性液剤中、前記水溶性高分子の濃度が0.05w/v%~8.8w/v%である、項2-1~2-11のいずれか一項に記載の方法。
項2-13.
前記水性液剤中、前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.04~70である、項2-1~2-12のいずれか一項に記載の方法。
項2-14.
前記水性液剤のpHが、5.0~8.0である、項2-1~2-13のいずれか一項に記載の方法。
項2-15.
前記水性液剤の粘度が、5~50mPa・sである、項2-1~2-14のいずれか一項に記載の方法。
項2-16.
細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含み、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、細菌性外眼部感染症の治療方法。
項2-17.
前記水性液剤が、C-(A+B)が0より大きい水性液剤である、項2-1~2-16のいずれか一項に記載の方法。
A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
前記水性液剤が、アルベカシン及び/又はその塩の放出速度の低下率が5%以上の水性液剤である、項2-1~2-17のいずれか一項に記載の方法。
項2-19.
前記水性液剤が、点眼液である、項2-1~2-18のいずれか一項に記載の方法。
項2-20a.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与し、該水性液剤がムチンと接触する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含み、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、細菌性結膜炎の治療方法。
項2-20b.
細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に、該水性液剤がムチンと接触するように投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含み、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、細菌性結膜炎の治療方法。
ドライアイを伴う細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、ドライアイを伴う細菌性外眼部感染症の治療方法。
項3-2.
ドライアイを伴う細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、ドライアイを伴う細菌性外眼部感染症の治療方法。
項3-3.
ドライアイを伴う細菌性結膜炎の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、ドライアイを伴う細菌性結膜炎の治療方法。
項3-4.
前記水性液剤中、アルベカシン及び/又はその塩の総濃度が、0.05w/v%~5.0w/v%である、項3-1~3-3のいずれか一項に記載の治療方法。
項3-5.
前記水性液剤中、前記水溶性高分子の濃度が0.05w/v%~8.8w/v%である、項3-1~3-4のいずれか一項に記載の治療方法。
項3-6.
前記水性液剤中、前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.04~70である、項3-1~3-5のいずれか一項に記載の治療方法。
項3-7.
前記水性液剤のpHが、5.0~8.0である、項3-1~3-6のいずれか一項に記載の治療方法。
項3-8.
前記水性液剤の粘度が、5~50mPa・sである、項3-1~3-7のいずれか一項に記載の治療方法。
項3-9.
ドライアイを伴う細菌性外眼部感染症の治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含み、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、ドライアイを伴う細菌性外眼部感染症の治療方法。
項3-10.
前記水性液剤が、C-(A+B)が0より大きい水性液剤である、項3-1~3-9のいずれか一項に記載の治療方法。
A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
前記水性液剤が、アルベカシン及び/又はその塩の放出速度の低下率が5%以上の水性液剤である、項3-1~3-10のいずれか一項に記載の治療方法。
項3-12.
前記水性液剤が、点眼液である、項3-1~3-11のいずれか一項に記載の治療方法。
ドライアイの治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、ドライアイの治療方法。
項4-2.
水溶性高分子を含む水性液剤を眼表面で増粘する方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、方法。
項4-3.
ムチン接着性を向上する方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、ムチン接着性を向上する方法。
項4-4.
涙液層の安定化方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、涙液層の安定化方法。
項4-5.
ドライアイの治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含む、ドライアイの治療方法。
項4-6.
前記水性液剤中、アルベカシン及び/又はその塩の総濃度が、0.05w/v%~5.0w/v%である、項4-1~4-5のいずれか一項に記載の方法。
項4-7.
前記水性液剤中、前記水溶性高分子の濃度が0.05w/v%~8.8w/v%である、項4-1~4-6のいずれか一項に記載の方法。
項4-8.
前記水性液剤中、前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.04~70である、項4-1~4-7のいずれか一項に記載の方法。
項4-9.
前記水性液剤のpHが、5.0~8.0である、項4-1~4-8のいずれか一項に記載の方法。
項4-10.
前記水性液剤の粘度が、5~50mPa・sである、項4-1~4-9のいずれか一項に記載の方法。
項4-11.
ドライアイの治療方法であって、
アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤を、それを必要とする対象に投与する工程を含み、
該水溶性高分子がヒドロキシプロピルメチルセルロースを含み、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70であり、
該水性液剤のpHが、5.0~8.0であり、
該水性液剤の粘度が、5~50mPa・sである、ドライアイの治療方法。
項4-12.
前記水性液剤が、C-(A+B)が0より大きい水性液剤である、項4-1~4-11のいずれか一項に記載の方法。
A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
前記水性液剤が、アルベカシン及び/又はその塩の放出速度の低下率が5%以上の水性液剤である、項4-1~4-12のいずれか一項に記載の方法。
項4-14.
前記水性液剤が、点眼液である、項4-1~4-13のいずれか一項に記載の方法。
本明細書において使用される用語は、特に言及しない限り、当該分野で通常用いられる意味で用いられることが理解されるべきである。従って、他に定義されない限り、本明細書中で使用されるすべての専門用語及び科学技術用語は、本開示の属する分野の当業者によって一般的に理解されるのと同じ意味を有する。矛盾する場合、本明細書(定義を含めて)が優先する。
In vitro透析膜試験
1)2mL容量のガラス容器に検体(アルベカシン及び/又はその塩を含む)を500μL封入し、開口部を透析膜で覆い、周囲を固定する(当該ガラス容器内がドナー側)。
2)PBS(15mL)を満たしたビーカー(外液側)に、ビーカーの底面から一定の高さになるように1)を取り付け、ビーカー内の液を、スターラーを用いて攪拌する。
3)攪拌開始15~240分後の任意の時間で外液側から1mLをサンプリングしたものをサンプリング液とし、サンプリング液を適宜希釈し、液体クロマトグラフィー法により、以下の条件で測定する。
検出器:荷電化粒子検出器
カラム:内径4.6mm、長さ250mmのステンレス管に5μmの液体クロマトグラフィー用オクチルシリル化シリカゲルを充填した市販品。
カラム温度:30℃付近の一定温度
移動相:5mMヘプタフルオロ酪酸水溶液及び5mMヘプタフルオロ酪酸アセトニトリル溶液によるグラジエント
流量:毎分1.4mL
理論総量に対するドナー中の薬物残存率(%)=100-(サンプリング時までに外液中に放出した累計アルベカシン量(μg)/ドナー側に含まれるアルベカシンの理論総量(μg)×100)
放出速度(%/min):各サンプリング液について、前記薬物残存率(%)をy軸、サンプリング時間(min)をx軸としてプロットした時に得られる、最小二乗法による近似直線の傾きの絶対値
放出速度の低下率(%):100-(検体の放出速度/アルベカシン溶液単独の放出速度×100)
なお、放出速度の低下率算出式における「アルベカシン溶液」は、検体に含まれるアルベカシン量と同量のアルベカシンが含まれるアルベカシン及び/又はその塩の水溶液である。また、当該「アルベカシン溶液」は、検体に含まれるアルベカシン及び/又はその塩と同じ化合物を同量水に溶解させたものである。例えば、検体にアルベカシン換算量として1w/v%のアルベカシン硫酸塩が含まれる場合、「アルベカシン溶液」はアルベカシン換算量として1w/v%となるアルベカシン硫酸塩水溶液である。
本明細書において、「涙液層安定化」とは、眼の表面に涙液層が安定して保持されることを意味する。涙液層破壊時間(BUT)とは、涙液層が形成されてから破壊するまでの時間を意味する。涙液層が不安定になると、BUTが短縮する傾向がある。一つの例として、「涙液層安定化」とは、BUTが延長することを指す。
本開示に包含される水性液剤は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む。本明細書において、当該水性液剤を「本開示の水性液剤」と表記することがある。
本開示の組成物が、このような、その他の水溶性高分子をも含む場合においては、組成物に含有される水溶性高分子の50質量%以上が、本開示の水溶性高分子であることが好ましく、55、60、65、70、75、80、85、90、又は95質量%以上が本開示の水溶性高分子であることがより好ましく、100質量%が本開示の水溶性高分子であることが特に好ましい。
また、本開示の水性液剤における水溶性高分子の総濃度としては、例えば、0.05w/v%~8.8w/v%程度とすることができる。当該範囲の上限又は下限は例えば0.1、0.2、0.3、0.4、0.5、0.6、0.7、0.8、0.9、1、1.1、1.2、1.3、1.4、1.5、1.6、1.7、1.8、1.9、2、2.1、2.2、2.3、2.4、2.5、2.6、2.7、2.8、2.9、3、3.1、3.2、3.3、3.4、3.5、3.6、3.7、3.8、3.9、4、4.1、4.2、4.3、4.4、4.5、4.6、4.7、4.8、4.9、5、5.1、5.2、5.3、5.4、5.5、5.6、5.7、5.8、5.9、6、6.1、6.2、6.3、6.4、6.5、6.6、6.7、6.8、6.9、7、7.1、7.2、7.3、7.4、7.5、7.6、7.7、7.8、7.9、8、8.1、8.2、8.3、8.4、8.5、8.6、又は8.7w/v%であってもよい。当該範囲は例えば、0.1~7w/v%程度であってもよく、0.2~6w/v%程度であってもよく、0.3~5w/v%程度であってもよい。
また、本開示の水性液剤において、アルベカシン及び/又はその塩に対する水溶性高分子の比率は、効果が損なわれない範囲であれば、特に制限されない。例えば、アルベカシン及び/又はその塩のアルベカシン換算での総含有量と、水溶性高分子の含有量との、質量比が、1:0.01~180質量部程度とすることができる。当該範囲(0.01~180)の上限又は下限は例えば0.02、0.03、0.04、0.05、0.1、0.15、0.2、0.25、0.3、0.35、0.4、0.45、0.5、0.6、0.7、0.8、0.9、1、1.5、2、2.5、3、3.5、4、4.5、5、6、7、8、9、10、11、12、13、14、15、16、17、18、19、20、21、22、23、24、25、26、27、28、29、30、31、32、33、34、35、36、37、38、39、40、41、42、43、44、45、46、47、48、49、50、55、60、65、70、75、80、85、90、95、100、110、120、130、140、150、160、又は170であってもよい。よって前記質量比は例えば、1:0.01~110質量部程度であってもよく、1:0.04~70質量部程度であってもよく、1:0.1~20質量部程度であってもよく、1:0.25~14質量部程度であってもよい。
A:アルベカシンによる粘度増加値(mPa・s)
B:水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン及び水溶性高分子による粘度増加値(mPa・s)
例えば、C-(A+B)は0.1、0.15、0.2、0.25、0.3、0.35、0.4、0.45、0.5、0.55、0.6、0.65のいずれかより大きくてもよい。中でも、0.1が好ましく、0.3がより好ましく、0.5がさらにより好ましい。
細菌性外眼部感染症の原因菌としては、グラム陽性菌、グラム陰性菌等が挙げられる。細菌性結膜炎の原因菌となるグラム陽性菌としては、例えば、ブドウ球菌属(例えば、メチシリン耐性黄色ブドウ球菌等)、肺炎球菌、コリネバクテリウム属等が挙げられる。細菌性結膜炎の原因菌となるグラム陰性菌としては、例えば、インフルエンザ菌、モラクセラ属、淋菌等が挙げられる(稲田紀子、臨床眼科、75巻11号、2021)。
細菌性角膜炎の原因菌としては、例えば、肺炎球菌、ブドウ球菌、緑膿菌、モラクセラ、セラチア、レンサ球菌、淋菌、嫌気性菌、非定型抗酸菌等が挙げられる(感染性角膜炎診療ガイドライン(第2版)、日本眼科学会、2013)。
細菌性外眼部感染症及び細菌性角結膜炎の原因菌は、1種単独であってもよく、又は2種以上の組み合わせであってもよい。
細菌性外眼部感染症(より具体的には、細菌性角結膜炎)の原因菌は、ブドウ球菌属(例えば、メチシリン耐性黄色ブドウ球菌等)、コリネバクテリウム菌、緑膿菌、インフルエンザ菌、肺炎球菌、モラクセラ、淋菌、セラチア、又はレンサ球菌が好ましく、ブドウ球菌属(例えば、メチシリン耐性黄色ブドウ球菌等)、コリネバクテリウム菌、緑膿菌、インフルエンザ菌、又は肺炎球菌がより好ましく、ブドウ球菌属(例えば、メチシリン耐性黄色ブドウ球菌等)がさらにより好ましく、メチシリン耐性黄色ブドウ球菌が特に好ましい。
ドライアイの病態の一つに、涙液層が不安定化し、BUTが短縮することで、眼表面の保護が破綻し、点状表層角膜症(SPK)を引き起こすことなどがある。本開示の水性液剤は、点眼投与された場合、涙液層が安定化するため、BUTの延長やSPKを改善し、ドライアイ治療の用途に用いることができる。
また、投与対象となるヒトとしては、例えば、涙液層が不安定なヒト等が挙げられる。より具体的には、ドライアイ患者、又はドライアイが疑われるヒト;ドライアイを伴う細菌性外眼部感染症(より具体的には、細菌性角結膜炎)患者又はドライアイを伴う細菌性外眼部感染症(より具体的には、細菌性角結膜炎)が疑われるヒト等が例示される。
本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、細菌性外眼部感染症(より具体的には、細菌性角結膜炎)の治療方法をも包含する。
また、本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、ドライアイの治療方法をも包含する。
また、本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、ドライアイを伴う細菌性外眼部感染症(より具体的には、細菌性角結膜炎)の治療方法をも包含する。
上述した治療方法においては、「2.水性液剤」の欄の記載を援用することができる。
本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、水溶性高分子を含む水性液剤を眼表面で増粘する方法をも包含する。
上述した水溶性高分子を含む水性液剤を眼表面で増粘する方法においては、「2.水性液剤」の欄の記載を援用することができる。
本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、ムチン接着性を向上する方法をも包含する。
上述したムチン接着性が向上する方法においては、「2.水性液剤」の欄の記載を援用することができる。
本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、アルベカシン及び/又はその塩の結膜移行性を向上する方法をも包含する。
上述した結膜移行性を向上する方法においては、「2.水性液剤」の欄の記載を援用することができる。
本開示は、アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種の水溶性高分子を含む、水性液剤を、それを必要とする対象に投与することを含む、涙液層の安定化方法をも包含する。
上述した安定化方法においては、「2.水性液剤」の欄の記載を援用することができる。
文献(EmadEldin Hassan and James M. Gallo, A Simple Rheological Method for the in VitroAssessment of Mucin-Polymer Bioadhesive Bond Strength. Pharmaceutical Research,1990, 7(5):非特許文献2)に記載された試験方法を参考に、検体及びムチン溶液を混合した時の粘度を測定した。また、それぞれの粘度を比較して、検体とムチンの相互作用について考察した。
表1に示す組成となるよう、各予備溶解液を混合して検体1~11を調製した。また、涙液(中性)と同様なpHとなるよう、0.1M(mol/L)リン酸緩衝液にムチン(ブタ胃由来、Type II、試薬、Sigma Aldrich社)を溶解させて、塩酸又は水酸化ナトリウムでpH7.0に調整し、6w/v%ムチン溶液を調製した。
25w/v%、16w/v%又は10w/v%アルベカシン溶液:精製水にアルベカシン硫酸塩を溶解した。
2.5w/v%HPMC溶液:加温(約80℃)した精製水にヒプロメロース2208(90SH-100SR、日本薬局方(日局)適合品、信越化学工業株式会社)を加えて分散し、室温まで冷却して溶解を確認した。
1Mリン酸緩衝液:精製水にリン酸二水素ナトリウム水和物(日局適合品、富士フイルム和光純薬株式会社)を溶解し、塩酸又は水酸化ナトリウムでpH7.0に調整した。 0.1Mリン酸緩衝液:1Mリン酸緩衝液を精製水で1/10に希釈した。
各検体(1mL)と6w/v%ムチン溶液(1mL)との混合溶液、各検体(1mL)と0.1Mリン酸緩衝液(1mL)との混合溶液、及び0.1Mリン酸緩衝液(1mL)と6w/v%ムチン溶液(1mL)との混合溶液の各溶液について、以下の条件に従い粘度を測定した。
測定装置:TVE-25形粘度計(東機産業株式会社)
ロータ:1°34’×R24又は3°×R17.65(測定する粘度に応じてロータを変更)
試料量:1.1mL(ロータ1°34’×R24使用時)又は0.8mL(ロータ3°×R17.65使用時)
プレヒート時間:120s
測定時間:90s
測定温度:34℃±0.1℃
回転速度:100rpm
A:アルベカシンによる粘度増加値(mPa・s)
B:HPMCによる粘度増加値(mPa・s)
C:アルベカシン+HPMCによる粘度増加値(mPa・s)、と定義し、
C-(A+B)>0となるとき、アルベカシン及びHPMCを含む水性液剤がムチン溶液と接触する場合に相乗的増粘作用を有すると評価した。
アルベカシン及びHPMCの濃度毎に、A、B及びCの算出に使用した検体番号を表2に示す。
表4に示す組成となるよう、各予備溶解液を混合して検体12~19を調製した。ヒプロメロース2208(90SH-100SR、日本薬局方(日局)適合品、信越化学工業株式会社)1.4w/v%溶液と同程度の粘度となるよう、各水溶性高分子溶液の濃度を設定した。また、涙液(中性)と同様なpHとなるよう、0.1Mリン酸緩衝液にムチン(ブタ胃由来、TypeII、試薬、Sigma Aldrich社)を溶解させて、塩酸又は水酸化ナトリウムでpH7.0に調整し、6w/v%ムチン溶液を調製した。
1w/v%HEC溶液:加温(約80℃)した精製水にヒドロキシエチルセルロース(日本薬局方(日局)適合品、Ashland,Inc.)を加えて分散し、室温まで冷却して溶解を確認した。
1.6w/v%MC溶液:加温(約80℃)した精製水にメチルセルロース(SM-400、日本薬局方(日局)適合品、信越化学工業株式会社)を加えて分散し、氷冷して溶解を確認した。
5w/v%PVP溶液:精製水にポリビニルピロリドン(Kollidon90F、日本薬局方(日局)適合品、BASF SE)を溶解した。
30w/v%PEG(ポリエチレングリコール)溶液:精製水にマクロゴール6000(日本薬局方(日局)適合品、日油株式会社)を溶解した。
なお、10w/v%アルベカシン溶液、1Mリン酸緩衝液及び0.1Mリン酸緩衝液は、上述した方法と同様の方法により調製した。
A:アルベカシンによる粘度増加値(mPa・s)
B:各水溶性高分子による粘度増加値(mPa・s)
C:アルベカシン+各水溶性高分子による粘度増加値(mPa・s)、と定義し、
C-(A+B)>0となるとき、アルベカシン及び各水溶性高分子を含む水性液剤がムチン溶液と接触する場合に相乗的増粘作用を有すると評価した。
アルベカシン及び各水溶性高分子の濃度毎に、A、B及びCの算出に使用した検体番号を表5に示す。
アルベカシン及びHPMCを含む水性液剤とムチンの相互作用を調べる目的で、透析膜を用いてアルベカシンの放出速度を確認するIn vitro透析膜試験を実施した。
1.5mLポリプロピレン製チューブ内に、下記に示す予備溶解液を必要量添加し、マイクロピペットで十分にピペッティングしたものを検体20~27(表7)とした。
25w/v%及び16w/v%アルベカシン溶液:精製水にアルベカシン硫酸塩を加えて溶解した。
2.5w/v%HPMC溶液:加温(約80℃)した精製水にヒプロメロース2208(90SH-100SR、日局適合品、信越化学工業株式会社)を加えて分散し、室温まで冷却して溶解を確認した。
リン酸緩衝生理食塩水(PBS)、pH7.4:精製水にPBS Tablet(試薬、タカラバイオ株式会社)を加えて溶解した。
2.5w/v%及び5w/v%ムチン溶液:PBS又は水にムチン(ブタ胃由来、生化学用、富士フイルム和光純薬株式会社)溶解した。
1)2mL容量のガラス容器に検体を500μL封入し、開口部を透析膜で覆い、周囲を固定した(当該ガラス容器内がドナー側)。ガラス容器と透析膜が密着し、液漏れしないことを確認した。なお、透析膜としては、次の仕様の市販品を用いた。分画分子量:12000~14000、メンブレン材質:再生セルロース。
2)PBS(15mL)を満たしたビーカー(外液側)に、ビーカーの底面から一定の高さになるように1)を取り付け、ビーカー内の液を、スターラーを用いて攪拌した。
3)攪拌開始15~240分後の任意の時間で外液側から1mLをサンプリングしたものをサンプリング液とし、後述する方法に従いアルベカシン量を測定した。以下の式に従いアルベカシンの残存率、放出速度及び放出速度の低下率を算出した。
理論総量に対するドナー中の薬物残存率(%)=100-(サンプリング時までに外液中に放出した累計アルベカシン量(μg)/ドナー側に含まれるアルベカシンの理論総量(μg)×100)
放出速度(%/min):各サンプリング液について、前記薬物残存率(%)をy軸、サンプリング時間(min)をx軸としてプロットした時に得られる、最小二乗法による近似直線の傾きの絶対値
放出速度の低下率(%):100-(検体の放出速度/アルベカシン溶液単独の放出速度×100)
サンプリング液を適宜希釈し、次の条件で液体クロマトグラフィー(Ultimate3000,Thermo Fisher Scientific Inc.)による測定を行った。
検出器:荷電化粒子検出器Corona Veo RS
カラム:内径4.6mm、長さ250mmのステンレス管に5μmの液体クロマトグラフィー用オクチルシリル化シリカゲルを充填した市販品(Inertsil C8、5μm、4.6mm×250mm、GL Sciences)。
カラム温度:30℃付近の一定温度
移動相:5mMヘプタフルオロ酪酸水溶液及び5mMヘプタフルオロ酪酸アセトニトリル溶液によるグラジエント
流量:毎分1.4mL
アルベカシンを含有する水性液剤を日本白色種ウサギに単回点眼投与し、結膜中アルベカシン濃度を評価した。
表9の通り、検体28及び29を調製した。
1)加温(約80℃)した精製水にHPMCを加えて分散し、室温まで冷却して溶解を確認した。この液を5μmメンブランフィルターで粗ろ過し、HPMCの濃縮液Aを得た。2)別に用意した精製水にトロメタモール、チオ硫酸ナトリウム水和物及びアルベカシン硫酸塩を加えて溶解した。この液に塩酸又は水酸化ナトリウムを加えてpH7.0に調整し、各成分を混合した濃縮液Bを得た。
3)濃縮液A(検体28の調製に使用)又は精製水(検体29の調製に使用)に、濃縮液B及びベンザルコニウム塩化物液を加えて均一になるまで攪拌した。
4)塩酸又は水酸化ナトリウムを加えてpH7.0に調整し、規定量まで精製水を加えた。
5)4)液を、0.22μmメンブランフィルターを用いてろ過滅菌し、水性液剤を得た。
動物
種:ウサギ
系統:日本白色種
性別:雄
入荷時の体重範囲:約2.00~2.49kg
使用匹数:15匹
試験の流れ
正常な日本白色種ウサギ(以下、ウサギ)にアルベカシンを含有する水性液剤を投与後の結膜中濃度を評価した。検体28及び29のうちいずれかを、ウサギの両眼に各々単回点眼投与した。投与後0.25、0.5、1時間に安楽死処置を行い、眼組織を採取した。例数は3眼/検体/時点とした。
1)ウサギを保定し、前眼部に障害がないことを肉眼観察にて確認した。
2)マイクロピペットを用いて検体35μLを点眼投与し、強制的に2回瞬目させた。
3)投与後30分に保定を解除した。
投与後0.25、0.5、1時間に、安楽死処置し、眼組織を採取した。
1)ウサギを保定し、チオペンタールナトリウムの過剰投与により安楽死処置を行った。
2)眼球表面及び結膜嚢内を生理食塩液で洗浄し、水分を拭き取った。
3)眼瞼を切開し、結膜を含めて眼球を摘出した。
4)結膜及び眼球を採取した。
5)採取した試料は凍結し、超低温フリーザーで保存した。
内標準物質(IS)をカナマイシン一硫酸塩とし、結膜中アルベカシン濃度をLC-MS/MS(Q TRAP 5500,AB SCIEX Pte.Ltd.)を用いて、ポジティブイオンモードで分析した。
20mM EDTA
エチレンジアミン四酢酸二水素二ナトリウム二水和物を0.672g採取した。次いで、水100mLを添加し、溶解した。
希釈用液
水/20mM EDTA/ギ酸(1000:2:1、v/v)とアセトニトリル/ギ酸(1000:1、v/v)を1:1で混合した。
IS溶液
カナマイシン一硫酸塩2mgを秤量し、20%メタノール20mLに溶解した。次いで、3.00μg/mLになるように、アセトニトリルで希釈した。
1)20個の3mmジルコニアビーズを添加したチューブに結膜及び添加した結膜重量の4倍量の水を添加した。
2)ビーズホモジナイザーで結膜を破砕し、20%結膜ホモジネートを作成した。
破砕条件:6000rpmで30秒間破砕、30秒間休止を10サイクル(設定温度4℃)
3)20%結膜ホモジネートを水で2倍に希釈し、10%結膜ホモジネートを調製した。
1)ブランク10%結膜ホモジネート20μLを採取した。
2)アセトニトリル40μLを添加した。
3)アセトニトリル80μLを添加し、混合した。
1)10%結膜ホモジネート20μLを採取した。
2)アセトニトリル40μLを添加した。
3)IS溶液80μLを添加し、混合した。
1)希釈用液400μLを添加し、混合した。
2)4℃、20000×gにて10分間遠心分離した。
3)上清をLC-MS/MSへ注入した。
LC条件
カラム:InertSustain Amide 3μm UHPLC 2.1 I.D.x50mm
カラム温度:40℃
移動相:水/20mM EDTA/ギ酸(1000:2:1、v/v)及びアセトニトリル/ギ酸(1000:1、v/v)によるグラジエント
流速:0.8mL/min
Scan Type:MRM
Polarity:Positive
Ion Source:Turbo Spray
粘度が約15mPa・s(30℃±0.1℃、プレヒート時間:0s、回転速度100rpm、TVE-25形粘度計、使用コーンロータ:3°×R17.65、測定時間:90s)である、HPMC含有3%アルベカシン点眼液(検体28)をウサギに単回点眼投与した。別に、HPMC非含有3%アルベカシン点眼液(検体29)をウサギに単回点眼投与した。表12及び13に、結膜中アルベカシン濃度のCmax及び濃度-時間曲線下面積(AUC0-t)の詳細なデータを示す。
HPMC含有3%アルベカシン点眼液(検体28)を投与後の結膜中アルベカシンの最高濃度(Cmax)及び時間0から最終測定可能時間tまでのAUC0-tは、それぞれ58.5μg/g及び20.2μg・h/gであった。一方、HPMC非含有3%アルベカシン点眼液(検体29)を投与後の結膜中アルベカシン濃度のCmax及びAUC0-tは、それぞれ17.0μg/g及び10.5μg・h/gであった。つまり、HPMC含有製剤はHPMC非含有製剤に比べて、Cmaxが約3.4倍、AUC0-tが約1.9倍高値を示した。このことから、アルベカシン点眼液にHPMCを配合することで、眼表面におけるアルベカシン点眼液の滞留時間が延長し、結膜中アルベカシン濃度が高くなることが示唆された。この点、ヒドロキシプロピルメチルセルロースを含有したクロモグリク酸ナトリウム点眼液の結膜移行性について、粘度なし製剤と、高粘度製剤(580mPa・s)とを比較すると、高粘度製剤(580mPa・s)において、Cmaxが2.1倍高いことが確認されている(非特許文献9)。HPMC含有製剤(検体28)の粘度は、上記の文献に記載の製剤の1/45程度にも関わらず、Cmaxが3.4倍と、予想以上に移行性が上昇したことが確認された。アルベカシン点眼液にHPMCを配合することで、ムチンと相互作用し、増粘効果に加えて、ムチン接着性に優れるため、移行性が向上したものである。
Claims (15)
- アルベカシン及び/又はその塩、並びに水溶性高分子を含む水性液剤であって、
該水溶性高分子が、ヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、メチルセルロース、及びポリビニルピロリドンからなる群より選択される少なくとも1種を含む、水性液剤。 - 前記アルベカシン及び/又はその塩の総濃度が、0.05w/v%~5.0w/v%である、請求項1に記載の水性液剤。
- 前記アルベカシン及び/又はその塩の総濃度が、0.1w/v%~3.0w/v%である、請求項1又は2に記載の水性液剤。
- 前記水溶性高分子が、ヒドロキシプロピルメチルセルロースを含む、請求項1~3のいずれか一項に記載の水性液剤。
- 前記水溶性高分子の濃度が0.05w/v%~8.8w/v%である、請求項1~4のいずれか一項に記載の水性液剤。
- 前記水溶性高分子の濃度が0.3w/v%~2.0w/v%である、請求項1~5のいずれか一項に記載の水性液剤。
- 前記アルベカシン及び/又はその塩の総含有量と、水溶性高分子の含有量との、質量比が、1:0.04~70である、請求項1~6のいずれか一項に記載の水性液剤。
- アルベカシン及び/又はその塩、並びにヒドロキシプロピルメチルセルロースを含む、水性液剤であって、
該アルベカシン及び/又はその塩の総濃度が0.1w/v%~3.0w/v%であり、該ヒドロキシプロピルメチルセルロースの濃度が0.3w/v%~2.0w/v%であり、
該アルベカシン及び/又はその塩の総含有量と、該ヒドロキシプロピルメチルセルロースの含有量との、質量比が、1:0.04~70である、水性液剤。 - 前記水性液剤の粘度が、5~50mPa・sである、請求項1~8のいずれか一項に記載の水性液剤。
- 点眼液である、請求項1~10のいずれか一項に記載の水性液剤。
- アルベカシンの結膜移行性を向上するために使用される、請求項1~11のいずれか一項に記載の水性液剤。
- 細菌性外眼部感染症治療用である、請求項1~12のいずれか一項に記載の水性液剤。
- 涙液層安定化用である、請求項1~13のいずれか一項に記載の水性液剤。
- ドライアイを伴う細菌性外眼部感染症治療用である、請求項1~14のいずれか一項に記載の水性液剤。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380018185.6A CN118613267A (zh) | 2022-01-21 | 2023-01-20 | 水性液体制剂 |
| JP2023554283A JP7479744B2 (ja) | 2022-01-21 | 2023-01-20 | 水性液剤 |
| EP23743349.5A EP4467144A4 (en) | 2022-01-21 | 2023-01-20 | AQUEOUS LIQUID FORMULATION |
| CA3244189A CA3244189A1 (en) | 2022-01-21 | 2023-01-20 | AQUEOUS LIQUID FORMULATION |
| MX2024009025A MX2024009025A (es) | 2022-01-21 | 2023-01-20 | Preparacion liquida acuosa. |
| KR1020247024814A KR20240134913A (ko) | 2022-01-21 | 2023-01-20 | 수성 액제 |
| JP2024065941A JP2024096898A (ja) | 2022-01-21 | 2024-04-16 | 水性液剤 |
| US18/659,629 US12296015B2 (en) | 2022-01-21 | 2024-05-09 | Aqueous liquid preparation |
| US19/173,248 US20250235541A1 (en) | 2022-01-21 | 2025-04-08 | Aqueous liquid preparation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022007774 | 2022-01-21 | ||
| JP2022-007774 | 2022-01-21 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/659,629 Continuation-In-Part US12296015B2 (en) | 2022-01-21 | 2024-05-09 | Aqueous liquid preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023140357A1 true WO2023140357A1 (ja) | 2023-07-27 |
Family
ID=87348335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/001725 Ceased WO2023140357A1 (ja) | 2022-01-21 | 2023-01-20 | 水性液剤 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US12296015B2 (ja) |
| EP (1) | EP4467144A4 (ja) |
| JP (2) | JP7479744B2 (ja) |
| KR (1) | KR20240134913A (ja) |
| CN (1) | CN118613267A (ja) |
| CA (1) | CA3244189A1 (ja) |
| MX (1) | MX2024009025A (ja) |
| WO (1) | WO2023140357A1 (ja) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097129A (ja) * | 2000-07-21 | 2002-04-02 | Rohto Pharmaceut Co Ltd | 点眼剤 |
| WO2005046700A1 (ja) * | 2003-11-14 | 2005-05-26 | Senju Pharmaceutical Co., Ltd. | アミノグリコシド系抗生物質およびブロムフェナクを含有する水溶液製剤 |
| JP2006089460A (ja) * | 2004-05-27 | 2006-04-06 | Santen Pharmaceut Co Ltd | 眼科用粘稠化剤 |
| US20070270378A1 (en) | 2004-05-27 | 2007-11-22 | Santen Pharmaceutical Co., Ltd. | Viscous Agent for Ophthalmic Use |
| JP2013528589A (ja) * | 2010-05-05 | 2013-07-11 | センジュ ユーエスエー、インコーポレイテッド | 眼科用組成物 |
| US9511143B2 (en) | 2011-09-12 | 2016-12-06 | Meiji Seika Pharma Co., Ltd. | Aqueous compositions comprising arbekacin |
| CN106420811A (zh) * | 2016-12-23 | 2017-02-22 | 常州润诺生物科技有限公司 | 一种氨基糖苷类抗生素的口服制剂及其制备方法与应用 |
| CN106474149A (zh) * | 2016-12-23 | 2017-03-08 | 常州润诺生物科技有限公司 | 一种复方氨基糖苷类抗生素的口服制剂及其制备方法与应用 |
| US20200016176A1 (en) | 2015-07-27 | 2020-01-16 | Catacore, Inc. | Compositions for the treatment of cataracts |
| JP2021035984A (ja) * | 2008-06-12 | 2021-03-04 | フォーサイト・バイオセラピューティクス・インコーポレーテッド | ポビドンヨード、眼科用組成物のための新規代替保存剤 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651499A (en) | 1979-10-01 | 1981-05-09 | Meiji Seika Kaisha Ltd | Aminoglycoside derivative and its preparation |
| JPS58134099A (ja) | 1982-02-05 | 1983-08-10 | Meiji Seika Kaisha Ltd | アミノ配糖体抗生物質の精製法 |
| US8748402B2 (en) * | 2004-06-07 | 2014-06-10 | Bausch & Lomb Pharma Holdings Corp. | Ophthalmic formulations and uses thereof |
| MX2011013060A (es) * | 2009-06-05 | 2012-02-28 | Aciex Therapeutics Inc | Formulaciones oftalmicas, metodos de preparacion y metodos para utilizarlas. |
-
2023
- 2023-01-20 KR KR1020247024814A patent/KR20240134913A/ko active Pending
- 2023-01-20 EP EP23743349.5A patent/EP4467144A4/en active Pending
- 2023-01-20 CN CN202380018185.6A patent/CN118613267A/zh active Pending
- 2023-01-20 CA CA3244189A patent/CA3244189A1/en active Pending
- 2023-01-20 MX MX2024009025A patent/MX2024009025A/es unknown
- 2023-01-20 JP JP2023554283A patent/JP7479744B2/ja active Active
- 2023-01-20 WO PCT/JP2023/001725 patent/WO2023140357A1/ja not_active Ceased
-
2024
- 2024-04-16 JP JP2024065941A patent/JP2024096898A/ja active Pending
- 2024-05-09 US US18/659,629 patent/US12296015B2/en active Active
-
2025
- 2025-04-08 US US19/173,248 patent/US20250235541A1/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002097129A (ja) * | 2000-07-21 | 2002-04-02 | Rohto Pharmaceut Co Ltd | 点眼剤 |
| WO2005046700A1 (ja) * | 2003-11-14 | 2005-05-26 | Senju Pharmaceutical Co., Ltd. | アミノグリコシド系抗生物質およびブロムフェナクを含有する水溶液製剤 |
| JP2006089460A (ja) * | 2004-05-27 | 2006-04-06 | Santen Pharmaceut Co Ltd | 眼科用粘稠化剤 |
| US20070270378A1 (en) | 2004-05-27 | 2007-11-22 | Santen Pharmaceutical Co., Ltd. | Viscous Agent for Ophthalmic Use |
| JP2021035984A (ja) * | 2008-06-12 | 2021-03-04 | フォーサイト・バイオセラピューティクス・インコーポレーテッド | ポビドンヨード、眼科用組成物のための新規代替保存剤 |
| JP2013528589A (ja) * | 2010-05-05 | 2013-07-11 | センジュ ユーエスエー、インコーポレイテッド | 眼科用組成物 |
| US9511143B2 (en) | 2011-09-12 | 2016-12-06 | Meiji Seika Pharma Co., Ltd. | Aqueous compositions comprising arbekacin |
| US20200016176A1 (en) | 2015-07-27 | 2020-01-16 | Catacore, Inc. | Compositions for the treatment of cataracts |
| CN106420811A (zh) * | 2016-12-23 | 2017-02-22 | 常州润诺生物科技有限公司 | 一种氨基糖苷类抗生素的口服制剂及其制备方法与应用 |
| CN106474149A (zh) * | 2016-12-23 | 2017-03-08 | 常州润诺生物科技有限公司 | 一种复方氨基糖苷类抗生素的口服制剂及其制备方法与应用 |
Non-Patent Citations (13)
| Title |
|---|
| "Guidelines for Infectious Keratitis Treatment", 2013, JAPANESE OPHTHALMOLOGICAL SOCIETY |
| "Japanese Pharmacopoeia", article "General Rules for Preparations" |
| ADV. CLIN. EXP. MED, vol. 28, no. 2, 2019, pages 165 - 169 |
| CLIN. PHARMACOL, vol. 6, 26 September 2014 (2014-09-26), pages 139 - 48 |
| INT. J. PHARM. SCI. REV. RES, vol. 24, no. 1, 2014, pages 237 - 245 |
| INTERNATIONAL JOURNAL OF PHARMACEUTICS, vol. 53, no. 3, 1989, pages 219 - 225 |
| J. COLLOID INTERFACE SCI, vol. 262, no. 1, 1 June 2003 (2003-06-01), pages 130 - 48 |
| JOURNAL OF THE EYE, vol. 22, no. 3, 2005, pages 289 - 294 |
| NORIKO INADA, CLINICAL OPHTHALMOLOGY, vol. 75, no. 11, 2021 |
| PHARM. RES, vol. 7, no. 5, May 1990 (1990-05-01), pages 491 - 5 |
| See also references of EP4467144A4 |
| TFOSDEWS, THE OCULAR SURFACE, 2017, Retrieved from the Internet <URL:http://dx.doi.org/10.1016/j.jtos.2017.08.003> |
| VET. OPHTHALMOL, vol. 7, no. 2, March 2004 (2004-03-01), pages 71 - 7 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024096898A (ja) | 2024-07-17 |
| MX2024009025A (es) | 2024-08-06 |
| JPWO2023140357A1 (ja) | 2023-07-27 |
| JP7479744B2 (ja) | 2024-05-09 |
| EP4467144A1 (en) | 2024-11-27 |
| US20250235541A1 (en) | 2025-07-24 |
| US12296015B2 (en) | 2025-05-13 |
| CN118613267A (zh) | 2024-09-06 |
| US20240307544A1 (en) | 2024-09-19 |
| KR20240134913A (ko) | 2024-09-10 |
| EP4467144A4 (en) | 2026-01-21 |
| CA3244189A1 (en) | 2025-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9192623B2 (en) | Arylamide compounds and compositions and uses thereof | |
| EA034839B1 (ru) | Офтальмологический раствор | |
| WO2014204791A1 (en) | Ophthalmic lipophilic and hydrophilic drug delivery vehicle formulations | |
| EP1476135A1 (en) | Ophthalmic formulation with gum system | |
| JP2018203791A (ja) | 眼科用アレルギー予防剤 | |
| JP5729109B2 (ja) | ソフトコンタクトレンズ用眼科組成物 | |
| ES3031815T3 (en) | Antimicrobial compositions containing polyquaternium | |
| US20200171124A1 (en) | Topical compositions for ophthalmic and otic use | |
| JP5649261B2 (ja) | 高粘度点眼剤 | |
| RU2670100C2 (ru) | Офтальмическая композиция для цвиттерионных мягких контактных линз | |
| JP2010204597A (ja) | ソフトコンタクトレンズ用組成物及びソフトコンタクトレンズへの吸着抑制方法 | |
| JP6473274B1 (ja) | 熱ゲル化人工涙液 | |
| JP7479744B2 (ja) | 水性液剤 | |
| KR102268002B1 (ko) | 효과 지속성 점안제 조성물 | |
| JP4906247B2 (ja) | コンタクトレンズを装用したままで点眼できる点眼薬 | |
| JP6503085B2 (ja) | ドライアイ疾患を治療及び/又は予防するための短い合成ペプチドの使用 | |
| JP2014167034A (ja) | 高粘度点眼剤 | |
| WO2025018419A1 (ja) | 水性液剤 | |
| RU2842860C1 (ru) | Водная суспензионная композиция, содержащая сиролимус или его соль | |
| TR201612233A1 (tr) | Oftalmi̇k farmasöti̇k bi̇leşi̇mler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023554283 Country of ref document: JP |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23743349 Country of ref document: EP Kind code of ref document: A1 |
|
| REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112024012300 Country of ref document: BR |
|
| WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2024/009025 Country of ref document: MX |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202380018185.6 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023743349 Country of ref document: EP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 2023743349 Country of ref document: EP Effective date: 20240821 |
|
| ENP | Entry into the national phase |
Ref document number: 112024012300 Country of ref document: BR Kind code of ref document: A2 Effective date: 20240617 |























