WO1997045122A1 - Suppositories - Google Patents
Suppositories Download PDFInfo
- Publication number
- WO1997045122A1 WO1997045122A1 PCT/JP1997/001862 JP9701862W WO9745122A1 WO 1997045122 A1 WO1997045122 A1 WO 1997045122A1 JP 9701862 W JP9701862 W JP 9701862W WO 9745122 A1 WO9745122 A1 WO 9745122A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suppository
- benzimidazole derivative
- suppositories
- benzimidazole
- hydroxyl value
- 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
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
- A61K9/02—Suppositories; Bougies; Bases therefor; Ovules
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/08—Drugs for disorders of the alimentary tract or the digestive system for nausea, cinetosis or vertigo; Antiemetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- 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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/20—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
Definitions
- the present invention relates to a serotonin 3 receptor antagonist comprising 6-amino-5-chloro-1-isopropylpyru1-2- (4-methyl-1-piperazinyl) benzimidazole represented by the following formula (I) as an active ingredient:
- a serotonin 3 receptor antagonist comprising 6-amino-5-chloro-1-isopropylpyru1-2- (4-methyl-1-piperazinyl) benzimidazole represented by the following formula (I) as an active ingredient:
- Suppositories are capable of administering relatively large amounts of drugs, can avoid gastrointestinal disorders, are safer than injections, and decompose drugs more than orally. Or it is easy to avoid metabolism, is not affected by dietary intake, good before bedtime or at bedtime, can be expected to be effective, and can be administered to patients who can not swallow or who can not administer injections It has the advantage that it is suitable for patients in pediatrics and geriatrics, as it can be used, and it is suitable for home treatment as there is no need to be administered by doctors and nurses like injections. For this reason, in recent years, many suppositories for various diseases with systemic or local effects have been used at home in clinical settings.
- benzimidazole derivative (I) 6-Amino-5-chloro-1-2-isopropyl-1- (4-methyl-1-piperazinyl) benzimidazole used as an active ingredient of the suppository of the present invention
- benzimidazole derivative (I) has excellent serotonin 3 receptor antagonism, and may be a useful compound as an antiemetic for vomiting associated with cancer chemotherapy with cisplatin or the like. It is known (see JP-A-5-174449). It is also known that the above benzimidazole derivative (I) is a compound useful for irritable bowel syndrome based on serotonin 3 receptor antagonism (Japanese Patent Laid-Open No. 6-145515). No. 2).
- oral preparations are unsuitable for patients who cannot swallow due to vomiting and the like, and injections are painful at the time of administration, making them unsuitable for frequent administration but not suitable for home treatment.
- Japanese Patent Application Laid-Open No. 7-48258 discloses a patch for use as a serotonin 3 receptor antagonist, which comprises the above-mentioned benzimidazole derivative (I).
- Preparations for percutaneous administration such as progeny agents and the like have been disclosed.
- An object of the present invention is to provide a suppository containing a benzimidazole derivative (I) which is excellent in rectal absorption and storage stability of the benzimidazole derivative (I) having a useful action as an active ingredient as described above.
- the present inventor produced a suppository containing the benzimidazole derivative (I), and examined the rectal administration of the suppository, whereby the benzimidazole derivative (I) had excellent rectal absorption.
- an oil-based base as a suppository base, in particular, a hard fat having a hydroxyl value of 50 or less, particularly a hard base having a hydroxyl value of 15 or less.
- Use fat it was found that the storage stability of the benzimidazole derivative (I) was excellent.
- the rectal absorption and storage stability of the benzimidazole derivative (I) can be further improved by blending cysteine hydrochloride or a hydrate thereof in the suppository, thereby completing the present invention.
- FIG. 1 shows the results of the benzimidazole derivative (I) when suppositories A, suppository B and suppository C for rat administration corresponding to Example 1, Example 4 and Example 6 were administered rectally to the rat.
- FIG. 4 is a graph showing changes in plasma concentration (average value), in which ⁇ indicates suppository A, ⁇ indicates suppository B, and Hata indicates suppository C.
- FIG. 1 shows the results of the benzimidazole derivative (I) when suppositories A, suppository B and suppository C for rat administration corresponding to Example 1, Example 4 and Example 6 were administered rectally to the rat.
- FIG. 4 is a graph showing changes in plasma concentration (average value), in which ⁇ indicates suppository A, ⁇ indicates suppository B, and Hata indicates suppository C.
- FIG. 4 is a graph showing changes in plasma concentration (average value), in which ⁇ indicates suppository A, ⁇ indicates
- the benzimidazole derivative (I) used in the present invention can be obtained by the production method described in JP-A-5-174449.
- the suppository of the present invention can be produced by a conventional method by dissolving or suspending the benzimidazole derivative (I) in a suppository base and, if necessary, appropriately adding a surfactant or the like.
- the suppository of the present invention can be produced by a melting method as follows.
- the suppository base is heated and melted, and the benzimidazole derivative (I) and, if necessary, an additive such as a surfactant are uniformly mixed. It is manufactured by cooling and solidifying.
- the suppository base may be an oil-based base or a water-soluble base.
- Examples of the oleaginous base include hard fat.
- Hard fat is a mixture of glycerides in which each constituent fatty acid is a straight-chain saturated fatty acid having 8 to 18 carbon atoms, such as Martindale The Extra Pharmacopia (Martindale The Extra Pharmacopoeia). Pharmacopeia ⁇ 28th edition, p. 1067, see The Pharmaceutical Press, 1982) and Pharmaceutical excipient standards (Supervised by the Pharmaceutical Affairs Bureau, Ministry of Health and Welfare, Pharmaceutical Excipient Standards, 1993, p. 243, June 28, 1993, published by Yakuji Nippo).
- hard fats can be used as a mixture of two or more as needed.
- Examples of the water-soluble base include macrogol which is solid at normal temperature.
- Macrogol is an addition polymer of ethylene oxide and water. Depending on the difference in average molecular weight, Macrogol 100, Macrogol 150, Macrogol 150, Macrogol 400, and Macrogol 400 Macrogol 600, etc., and these can be used alone or in combination of two or more.
- oily bases particularly hard fats are preferred, and among hard fats, hard fats having a hydroxyl value of 50 or less are more preferred, and hard fats having a hydroxyl value of 15 or less are more preferred. It is.
- the hydroxyl value 1 5 following Hadofua' bets for example, Uitebuzoru TM H- 5, Uitebuzoru TM H- 1 5, Uitebuzoru 1 M H- 3 5 [more, Huls (H u 1 s AG) Ltd.], Nissan Pharma tetrazole ' ⁇ ⁇ - 1 1 5 (NOF Corporation) and the like can be mentioned, as the hydroxyl value 5 0 following Hadofa Tsu bets, in addition to the above Hadofuatsu Bok, for example, Uitebuzoru TM W one 2 5, Uitebuzoru TM W - 3 5 [more, Huls (H uls AG) Ltd.], Nissan Pharma tetrazole TM N-1 5 Ageruko the (NOF Corporation) Can be.
- the suppository of the present invention can be prepared by dissolving or suspending a benzimidazole derivative (I) in an oil-based base which is liquid at ordinary temperature, a water-soluble base which is liquid at ordinary temperature, or an emulsion base obtained by combining them with an emulsifier.
- the product can also be manufactured by filling the molded product into a soft force capsule for rectal administration and molding.
- oily base liquid at room temperature examples include liquid paraffin and vegetable oil.
- Examples of the water-soluble base liquid at room temperature include Macrogol 200, Macrogol 300, Macrogol 400 and Macrogol 600.
- emulsifier examples include sorbitan monostearate, sorbitan monopalmitate, polysorbate 60, polysorbate 80, sodium lauryl sulfate and lecithin.
- the suppository of the present invention contains, in addition to the benzimidazole derivative (I), cysteine hydrochloride or a cysteine hydrochloride derivative thereof in the suppository for the purpose of improving the rectal absorption and storage stability of the benzimidazole derivative (I). Hydrates can also be incorporated.
- the suppository can be produced, for example, by a melting method as described above.
- cysteine hydrochloride or a hydrate thereof, cysteine hydrochloride monohydrate is preferable.
- the benzimidazole derivative (I) and cysteine hydrochloride or a hydrate thereof are preferably used as fine powder having an average particle diameter of 3 to 150 / zm.
- the amount of cysteine hydrochloride or its hydrate is based on the benzimidazole derivative It is usually 1 to 300 parts by weight per 1 part by weight of the body (I).
- the amount of the suppository base used is usually 10 to 20,000 parts by weight per 1 part by weight of the benzimidazole derivative (1).
- the dose of the suppository of the present invention varies depending on the patient's age, body weight, symptoms, etc., but is usually administered 1 to 3 times per day, and the dose of the benzimidazole derivative (I) per dose is 0.1 to 100 mg as the imidazole derivative (I).
- the suppository of the present invention has excellent rectal absorbability of the benzimidazole derivative (I) (see Test Example 1 described later).
- the suppository of the present invention can be expected to have a pharmacological effect based on serotonin 3 receptor antagonism by rectal administration. More specifically, the suppository of the present invention is useful as an antiemetic for vomiting associated with cancer chemotherapy with, for example, cisbratin or a therapeutic agent for irritable bowel syndrome based on a serotonin 3 receptor antagonistic action.
- the suppository of the present invention is also excellent in storage stability of the benzimidazole derivative (I) (see Test Example 2 described later).
- the storage stability of the benzimigazole derivative (I) is excellent when a hardfat having a hydroxyl value of 50 or less is used as a suppository base, especially when a hardfat having a hydroxyl value of 15 or less is used.
- cysteine hydrochloride monohydrate By adding cysteine hydrochloride monohydrate in a suppository, the storage stability of the benzimidazole derivative (I) is further improved.
- the suppository of the present invention can be administered to patients who cannot swallow due to vomiting or the like and who cannot administer injections, and is suitable for home treatment.
- Test example 1 (rectal absorption test)
- the plasma concentration of the benzimidazole derivative (I) in Test Example 1 was 6-amino-5-chloro-1--1-propyl-12- (4-methyl-11-piperazinyl) benzimidazole (Japanese Unexamined Patent Publication No. Quantitative determination was performed by liquid chromatography (hereinafter abbreviated as HP LC) under the following conditions, using —1 7449 as an internal standard.
- HP LC liquid chromatography
- suppositories A to C corresponding to Example 1, Example 4 and Example 6 were prepared as follows.
- Hard fat (Witebzol TM H-15, hydroxyl value 9.8, manufactured by Huls AG) 9. 38 g is placed in a stainless steel beaker and 40 to 45.
- C. Melt by heating, add 0.22 g of benzimidazole derivative (1) and 0.40 g of cysteine hydrochloride monohydrate (manufactured by Wako Pure Chemical Industries, Ltd.), stir and mix uniformly did. While maintaining the mixture at 37 to 45 ° C, the mixture was filled into a cylindrical shape and cooled, and a 3 mm-diameter circle containing 1.1 mg of the benzimidazole derivative (I) per 5 Omg of the mixture. Columnar suppository C was obtained.
- Plasma samples were collected from a syringe that had been treated with lysine and centrifuged (12000 rpm, 5 minutes), and the concentration of the benzimidazole derivative (I) in the obtained plasma was quantified by HPLC. One test was performed twice, and the average of the results was determined.
- the content of the benzimidazole derivative (I) in Test Example 2 was determined by liquid chromatography (hereinafter abbreviated as HP LC) under the following conditions using propyl p-aminobenzoate as an internal standard.
- the samples were stored in a thermostat at 60 ° C, and after a certain period (one month), they were sampled, and the content of the benzimidazole derivative (I) in the samples was measured by HPLC. One sample was tested three times. The average value was determined, and the residual ratio with respect to the content immediately after preparation (average value in three cases) was calculated.
- Example 2 The same procedure as in Example 1 was carried out except that a hard fat having a hydroxyl value of 45.5 (Witepsol TM W-35, manufactured by Huls AG) was used.
- the benzimidazole derivative (I ) was obtained in an amount of 1.1 mg.
- Macrogol 1540 (manufactured by Wako Pure Chemical Industries) 55.49 g and Macrogol 4000 (manufactured by Wako Pure Chemical Industries) 44.40 g are placed in a stainless steel beaker, heated to 60-65 and melted. To this was added 0.1 g of a benzimidazole derivative (I), and the mixture was stirred and uniformly mixed. While maintaining this mixture at 60 to 65 ° C, 1 g each was filled in a spindle ⁇ and cooled, and the suppository of Example 5 containing 1. l mg of the benzimidazole derivative (I) per piece was prepared. I got Example 6
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Hospice & Palliative Care (AREA)
- Otolaryngology (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97924286A EP0916340A4 (en) | 1996-05-31 | 1997-05-29 | SUPPOSITORY |
| US09/194,589 US6139863A (en) | 1996-05-31 | 1997-05-29 | Suppositories |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8161005A JPH09323934A (ja) | 1996-05-31 | 1996-05-31 | 保存安定性の改善された坐剤 |
| JP8/161005 | 1996-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1997045122A1 true WO1997045122A1 (en) | 1997-12-04 |
Family
ID=15726775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1997/001862 Ceased WO1997045122A1 (en) | 1996-05-31 | 1997-05-29 | Suppositories |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6139863A (ja) |
| EP (1) | EP0916340A4 (ja) |
| JP (1) | JPH09323934A (ja) |
| WO (1) | WO1997045122A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8217083B2 (en) * | 2007-06-08 | 2012-07-10 | Aptalis Pharma Canada Inc. | Mesalamine suppository |
| US8436051B2 (en) * | 2007-06-08 | 2013-05-07 | Aptalis Pharma Canada Inc. | Mesalamine suppository |
| US7541384B2 (en) | 2007-06-08 | 2009-06-02 | Axcan Pharma Inc. | Mesalamine suppository |
| MX337603B (es) | 2009-11-30 | 2016-03-10 | Adare Pharmaceuticals Inc | Composiciones y tabletas farmaceuticas con recubrimiento compresible y metodos de fabricacion. |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5785321A (en) * | 1980-11-14 | 1982-05-28 | Kyoto Yakuhin Kogyo Kk | Agent for promoting absorption of acylamino acid, and drug base and preparation for rectal administration containing the same |
| JPS5788113A (en) * | 1980-11-19 | 1982-06-01 | Morishita Seiyaku Kk | Rectum medication composition |
| JPS58213710A (ja) * | 1982-06-03 | 1983-12-12 | Showa Yakuhin Kako Kk | 坐剤組成物 |
| JPH02193925A (ja) * | 1989-01-23 | 1990-07-31 | Kanebo Ltd | 膣坐剤 |
| JPH0517449A (ja) * | 1991-07-02 | 1993-01-26 | Kanebo Ltd | ベンズイミダゾール誘導体、その製造法、それを有効成分とする制吐剤およびその製造用中間体 |
| JPH06145152A (ja) * | 1992-11-05 | 1994-05-24 | Kanebo Ltd | ベンズイミダゾール誘導体、その製造法、それを有効成分とするセロトニン3 受容体拮抗剤およびその製造用中間体 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254127A (en) * | 1980-04-03 | 1981-03-03 | Janssen Pharmaceutica, N.V. | 1,3-Dihydro-1-[(1-piperidinyl)alkyl]-2H-benzimidazol-2-one derivatives |
| DE3176849D1 (en) * | 1980-11-05 | 1988-09-29 | Sumitomo Chemical Co | Pharmaceutical composition comprising 4-carbamoyl-imidazolium-5-olate |
| US5246704A (en) * | 1989-01-23 | 1993-09-21 | Kanebo, Ltd. | Vaginal suppository |
| TW201744B (ja) * | 1991-07-02 | 1993-03-11 | Kanebou Textile Co Ltd | |
| JPH06305969A (ja) * | 1993-04-27 | 1994-11-01 | Yoshitomi Pharmaceut Ind Ltd | 坐 剤 |
| JPH0748258A (ja) * | 1993-06-03 | 1995-02-21 | Kanebo Ltd | 経皮投与用製剤 |
| TW359614B (en) * | 1993-08-31 | 1999-06-01 | Takeda Chemical Industries Ltd | Composition containing benzimidazole compounds for rectal administration |
| US5661142A (en) * | 1996-04-17 | 1997-08-26 | Naeger; David M. | Anti-emetic composition |
-
1996
- 1996-05-31 JP JP8161005A patent/JPH09323934A/ja active Pending
-
1997
- 1997-05-29 EP EP97924286A patent/EP0916340A4/en not_active Withdrawn
- 1997-05-29 US US09/194,589 patent/US6139863A/en not_active Expired - Fee Related
- 1997-05-29 WO PCT/JP1997/001862 patent/WO1997045122A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5785321A (en) * | 1980-11-14 | 1982-05-28 | Kyoto Yakuhin Kogyo Kk | Agent for promoting absorption of acylamino acid, and drug base and preparation for rectal administration containing the same |
| JPS5788113A (en) * | 1980-11-19 | 1982-06-01 | Morishita Seiyaku Kk | Rectum medication composition |
| JPS58213710A (ja) * | 1982-06-03 | 1983-12-12 | Showa Yakuhin Kako Kk | 坐剤組成物 |
| JPH02193925A (ja) * | 1989-01-23 | 1990-07-31 | Kanebo Ltd | 膣坐剤 |
| JPH0517449A (ja) * | 1991-07-02 | 1993-01-26 | Kanebo Ltd | ベンズイミダゾール誘導体、その製造法、それを有効成分とする制吐剤およびその製造用中間体 |
| JPH06145152A (ja) * | 1992-11-05 | 1994-05-24 | Kanebo Ltd | ベンズイミダゾール誘導体、その製造法、それを有効成分とするセロトニン3 受容体拮抗剤およびその製造用中間体 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0916340A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0916340A1 (en) | 1999-05-19 |
| US6139863A (en) | 2000-10-31 |
| JPH09323934A (ja) | 1997-12-16 |
| EP0916340A4 (en) | 2000-06-28 |
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