WO2004000283A1 - Popping oral administration form - Google Patents

Popping oral administration form Download PDF

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Publication number
WO2004000283A1
WO2004000283A1 PCT/IL2003/000519 IL0300519W WO2004000283A1 WO 2004000283 A1 WO2004000283 A1 WO 2004000283A1 IL 0300519 W IL0300519 W IL 0300519W WO 2004000283 A1 WO2004000283 A1 WO 2004000283A1
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WO
WIPO (PCT)
Prior art keywords
administration form
oral administration
active ingredient
form according
mixture
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
Application number
PCT/IL2003/000519
Other languages
French (fr)
Inventor
Sigal First
Rina Yamin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CTS Chemical Industries Ltd
Original Assignee
CTS Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DK03730458.1T priority Critical patent/DK1517677T3/en
Priority to EP03730458A priority patent/EP1517677B1/en
Priority to AT03730458T priority patent/ATE460156T1/en
Priority to CA2489665A priority patent/CA2489665C/en
Priority to JP2004515401A priority patent/JP4903382B2/en
Priority to HK06102313.0A priority patent/HK1081865B/en
Priority to DE60331648T priority patent/DE60331648D1/en
Priority to AU2003241138A priority patent/AU2003241138B2/en
Application filed by CTS Chemical Industries Ltd filed Critical CTS Chemical Industries Ltd
Publication of WO2004000283A1 publication Critical patent/WO2004000283A1/en
Priority to US10/994,376 priority patent/US7887832B2/en
Priority to IL165843A priority patent/IL165843A/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61K9/0087—Galenical forms not covered by A61K9/02 - A61K9/7023
    • A61K9/0095—Drinks; Beverages; Syrups; Compositions for reconstitution thereof, e.g. powders or tablets to be dispersed in a glass of water; Veterinary drenches
    • 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
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals

Definitions

  • This invention relates to oral administration forms and to processes for their preparation.
  • Gasified particles are known in the art as particles that comprise a core material, which encapsulates a pressurized gas that escapes as the core material dissolves or shatters.
  • U.S. Patent No. 4,289,794 describes a method for preparing gasified candy whereby a sugar melt is gasified at superatmospheric pressure and then is cooled below its fusion temperature under superatmospheric pressure to form a gasified candy. As the gasified candy is wetted in the mouth the candy melts and the gas escapes producing an entertaining popping sensation.
  • WO 99/64555 describes laundry detergent products that include gasified particles, and may also include other materials such as bleaching agents and conventional detergent composition adjuvants.
  • the gasified particles that are used in the laundry detergent are said to increase the rate of product dissolution in the wash water and add desirable product aesthetics in the form of colored speckles.
  • the gasified particles can provide both audible and olfactory signals to the consumer that the product is working.
  • Gasified particles are also known for use in cosmetic treatments, particularly hair treatments as described in EP 1059076.
  • the cosmetic compositions contain gasified particles and the gas is released on contact with water or moisture.
  • Effervescent pharmaceutical compositions for oral administration are also known in the art.
  • An effervescent pharmaceutical composition includes compounds which evolve gas by means of a chemical reaction which takes place upon exposure of the effervescent pharmaceutical composition to water or other fluids.
  • Pharmaceutical compositions comprising an effervescent agent are described for example, in US Patent Nos. 6,350,470 and 5,178,878 and in EP 1082106.
  • the present invention provides, according to the first aspect thereof, an oral administration form comprising an active ingredient and a pressurized gas, said pressurized gas being trapped in cavities within a pharmaceutically acceptable material, in a manner that allows its escape upon dissolution or shattering of the administration form.
  • the active ingredient may be included in the material trapping the pressurized gas in the cavities thereof.
  • An administration form according to the invention may comprise more than one active ingredient, and it preferably comprises a pharmaceutically acceptable carrier.
  • pressurized gas refers to a gas at a pressure more than 1 atmosphere.
  • the oral administration form of the present invention may further comprise coloring, flavoring and other pharmaceutical or neutraceutical excipients.
  • administration form should be construed in a broad sense and includes any form administered for the purpose of achieving a therapeutic effect in humans or animals. It may be sold as a pharmaceutical administration form carrying a label as to the intended indication, whether as a prescription drug or over the counter, or it may be sold without any specific indication, for example as a neutraceutical (neutraceuticals are often referred to as “food additives " or “food supple/nents ").
  • An oral administration form is an administration form, the swallowing of which is permissible. Such an administration form is usually intended to be given through the mouth, for swallowing, for treating the mouth cavity, etc.
  • active ingredient should be construed in a broad sense as including any ingredient considered to have a therapeutic effect when delivered to a subject in need thereof.
  • the active ingredient may be an analgesic, an antipyretic agent, an anti-inflammatory agent, a vitamin, an expectorant, an antibiotic, an anti-hypertensive, an anti-histamine, etc.
  • the active ingredient may be taste masked, for instance by coating or microencapsulation.
  • Non limiting examples of suitable materials for trapping therein the gas are sugars such as glucose, fructose, sucrose, lactose, maltose, corn syrup and mixtures thereof
  • the gas trapped in the cavities may be any pharmaceutically acceptable inert gas.
  • inert indicates that the gas does not react with the pharmaceutically acceptable material, in the cavities of which the pressurized gas is trapped and the other ingredients included in the administration form during preparation, storage or use.
  • gases suitable for the preparation of the oral administration form are carbon dioxide, nitrogen, air, helium, argon, and neon.
  • An oral administration form according to the present invention may have benefits in many circumstances, for instance, it may be popular with children that will like the popping sensation and will be more willing to take a popping administration form than one that does not create a popping sensation.
  • the escape of the gas does not only produce a pleasant sensation but may also stimulate saliva production, thereby providing additional saliva to aid dissolution in the mouth.
  • it may be used to enhance dissolution of tablets or powders in a drinking liquid.
  • Such tablets may be useful for the elderly or swallow-problem population. It may be used in semi-solids, oils, suspensions or solid preparations to enhance disintegration or dissolution of the active ingredients either in the mouth or in the stomach or intestine.
  • Particles which contain trapped pressurized gas may be coated by any suitable material that would protect them from direct contact with water or moisture during storage. However, such a coating material should dissolve when the escape of the gas is required. Suitable coating materials may be for instance, cocoa butter that melts in the mouth, biodegradable polymers typically used for gastrointestinal delivery of drugs (such as enteric polymer that dissolves in the intestine), etc.
  • the oral administration form according to the present invention may have different forms, such as a tablet, powder, pellets, capsule, syrup, oil, suspension, gel, drops and various candy-like forms.
  • candy-like administration form may be a chocolate bar including gasified particles and an active ingredient.
  • the present invention further provides a method for preparing a gasified oral administration form according to the present invention, the method comprising: i) preparing a mixture comprising (a) an active ingredient, and (b) a pharmaceutically acceptable material trapping pressurized gas within cavities thereof; and ii) processing the mixture to obtain an administration form, said processing being under conditions that permits said gas to escape upon dissolution or shattering of the administration form.
  • the mixture mentioned in (i) above may comprise more than one active ingredient.
  • the mixture prepared in (i) also comprises a pharmaceutically acceptable ingredient (c) that melts in the mouth, such as cocoa butter.
  • the mixture obtained in (i) includes the ingredients (a) and (b) of the mixture, homogeneously dispersed in ingredient (c), and the processing mentioned in (ii) includes casting of the mixture into molds and cooling obtain the gasified oral administration form.
  • the mixture prepared in (i) is of powders, and the processing mentioned in (ii) includes compressing the mixture to produce a tablet.
  • the present invention further provides a method for preparing a gasified oral administration form comprising: i) melting a pharmaceutically acceptable material to obtain a melt; ii) adding a gas and at least one active ingredient and optionally a pharmaceutically acceptable excipient into the melt under superatmospheric pressure to obtain a liquid pharmaceutical composition; iii) casting the liquid pharmaceutical composition into a mold under superatmospheric pressure; iv) solidifying the cast pharmaceutical composition under conditions suitable to obtain a gasified oral administration form; and releasing the pressure.
  • the solidification mentioned above in (iv) may be done in a mold having the form of a desired administration form, for instance, a tablet.
  • the gasified pharmaceutical composition obtained by the above method in (iii) may be processed to an oral administration form according to the present invention by the following steps: (iv) solidifying said gasified pharmaceutical composition to obtain a solid gasified pharmaceutical composition;
  • the active ingredient used in any of the above methods may be coated or microencapsulated with a taste-masking material, enteric polymers, humidity protective materials, oxidation protective materials etc.
  • a method for orally administering an active ingredient to a patient comprising orally administering to the subject an oral administration form according to the present invention.
  • This method may be used for oral administration of drugs to subjects reluctant to take pharmaceutical compositions that do not create a popping sensation upon wetting.
  • sucrose, lactose, coloring agent and corn syrup were melted. Calcium carbonate and flavor were added and mixed together with the molten mixture. Carbon dioxide was bubbled into the molten mixture under superatmospheric pressure. Then, still under superatmospheric pressure, the melt mass was cast to lozenges-shaped molds and cooled.
  • Example 3 Preparation of Pseudoephedrine hydrochloride powder for reconstitution
  • fructose, lactose and liquid glucose were melted. Flavor, sweetener and coloring agents were added and mixed together with the molten mixture. Nitrogen was bubbled into the obtained molten mixture under superatmospheric pressure. Then, the molten mixture was cooled under superatmospheric pressure and then the pressure was released. The obtained solid mixture was ground to obtain a popping powder.
  • Psuedoephedrine beads were mixed together with the obtained popping powder to yield pseudoephedrine hydrochloride powder.
  • Example 5 Preparation of Propolis melt bar The following ingredients were used in the preparation of the above-mentioned bar:
  • Cocoa butter was melted and while cooling, propolis extract, chocolate flavor and the popping powder were added.
  • the semi-solid mass was cast inside chocolate bar molds to yield the desired bars.
  • Sodium Hydroxide q.s. Water to 100.0% Process for the preparation: Carbomer and water are heated and mixed. Sodium Hydroxide is added to form a liquid gel. While cooling, the rest of the materials are added.
  • Ibuprofen, Stiawberry flavor and Aspartame are mixed in Hard Fat heated to 45 °C. The mixture is cooled to 38°C and Popping Candy is added. Mixture is filled inside pre-cooled blisters.
  • Amoxycillin, Vanilla flavor and Aspartame are mixed in Hard Fat heated to 45 °C. The mixture is cooled to 38°C and Popping Candy is added. Mixture is filled inside pre-cooled blisters.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Nutrition Science (AREA)
  • Physiology (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Confectionery (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Disclosed are popping pharmaceutical oral administration forms, which comprise an active ingredient, and pressurized gas trapped within cavities in a pharmaceutically acceptable material in a manner that allows the gas to escape from the administration form upon dissolution or shattering of said form. Such an oral administration form may be popular with children that will prefer it on other ones, which do not pop. Methods for preparation of such oral administration forms are also disclosed.

Description

POPPING ORAL ADMINISTRATION FORM
FIELD OF THE INVENTION This invention relates to oral administration forms and to processes for their preparation.
BACKGROUND OF THE INVENTION
Gasified particles are known in the art as particles that comprise a core material, which encapsulates a pressurized gas that escapes as the core material dissolves or shatters.
Processes for making gasified particles are known in the art of candy making. For example, processes for making gasified confections are described in the following publications: U.S. Patent Nos. 3,985,909, 3,985,910 and 4,001,457.
U.S. Patent No. 4,289,794 describes a method for preparing gasified candy whereby a sugar melt is gasified at superatmospheric pressure and then is cooled below its fusion temperature under superatmospheric pressure to form a gasified candy. As the gasified candy is wetted in the mouth the candy melts and the gas escapes producing an entertaining popping sensation.
WO 99/64555 describes laundry detergent products that include gasified particles, and may also include other materials such as bleaching agents and conventional detergent composition adjuvants. The gasified particles that are used in the laundry detergent are said to increase the rate of product dissolution in the wash water and add desirable product aesthetics in the form of colored speckles. In addition, the gasified particles can provide both audible and olfactory signals to the consumer that the product is working.
Another use of gasified particles is described in U.S. Patent No. 6,310,014 wherein a composition comprising a gasified solid and an anhydrous liquid base is described. Such composition is said to be useful for personal and household care and to deliver an audible cracking or popping sound during use.
Gasified particles are also known for use in cosmetic treatments, particularly hair treatments as described in EP 1059076. The cosmetic compositions contain gasified particles and the gas is released on contact with water or moisture.
Effervescent pharmaceutical compositions for oral administration are also known in the art. An effervescent pharmaceutical composition includes compounds which evolve gas by means of a chemical reaction which takes place upon exposure of the effervescent pharmaceutical composition to water or other fluids. Pharmaceutical compositions comprising an effervescent agent are described for example, in US Patent Nos. 6,350,470 and 5,178,878 and in EP 1082106.
SUMMARY OF THE INVENTION
The present invention provides, according to the first aspect thereof, an oral administration form comprising an active ingredient and a pressurized gas, said pressurized gas being trapped in cavities within a pharmaceutically acceptable material, in a manner that allows its escape upon dissolution or shattering of the administration form. The active ingredient may be included in the material trapping the pressurized gas in the cavities thereof. An administration form according to the invention may comprise more than one active ingredient, and it preferably comprises a pharmaceutically acceptable carrier.
The term "pressurized gas" refers to a gas at a pressure more than 1 atmosphere.
The oral administration form of the present invention may further comprise coloring, flavoring and other pharmaceutical or neutraceutical excipients.
It should be noted that the term "administration form " should be construed in a broad sense and includes any form administered for the purpose of achieving a therapeutic effect in humans or animals. It may be sold as a pharmaceutical administration form carrying a label as to the intended indication, whether as a prescription drug or over the counter, or it may be sold without any specific indication, for example as a neutraceutical (neutraceuticals are often referred to as "food additives " or "food supple/nents ").
"An oral administration form " is an administration form, the swallowing of which is permissible. Such an administration form is usually intended to be given through the mouth, for swallowing, for treating the mouth cavity, etc.
The term "active ingredient" should be construed in a broad sense as including any ingredient considered to have a therapeutic effect when delivered to a subject in need thereof. The active ingredient may be an analgesic, an antipyretic agent, an anti-inflammatory agent, a vitamin, an expectorant, an antibiotic, an anti-hypertensive, an anti-histamine, etc. Thus, it may be a drug such as paracetamol, diphenhydramine, dextromethorphan, lidocaine, loratadine, ibuprofen, pseudoephedrine, enalapril, calcium carbonate, etc, a vitamin or mineral such as vitamin C, vitamin E, biotin, selenium, zinc, etc, a food additive such as echinacea, propolis, soy extract, etc. or a veterinary active ingredient such as nitroscanate, abamectin, ivermectin, etc. The active ingredient may be taste masked, for instance by coating or microencapsulation.
Non limiting examples of suitable materials for trapping therein the gas are sugars such as glucose, fructose, sucrose, lactose, maltose, corn syrup and mixtures thereof
The gas trapped in the cavities may be any pharmaceutically acceptable inert gas. The term "inert" indicates that the gas does not react with the pharmaceutically acceptable material, in the cavities of which the pressurized gas is trapped and the other ingredients included in the administration form during preparation, storage or use. Non limiting examples of gases suitable for the preparation of the oral administration form are carbon dioxide, nitrogen, air, helium, argon, and neon.
An oral administration form according to the present invention may have benefits in many circumstances, for instance, it may be popular with children that will like the popping sensation and will be more willing to take a popping administration form than one that does not create a popping sensation. The escape of the gas does not only produce a pleasant sensation but may also stimulate saliva production, thereby providing additional saliva to aid dissolution in the mouth. Similarly, it may be used to enhance dissolution of tablets or powders in a drinking liquid. Such tablets may be useful for the elderly or swallow-problem population. It may be used in semi-solids, oils, suspensions or solid preparations to enhance disintegration or dissolution of the active ingredients either in the mouth or in the stomach or intestine.
Particles which contain trapped pressurized gas may be coated by any suitable material that would protect them from direct contact with water or moisture during storage. However, such a coating material should dissolve when the escape of the gas is required. Suitable coating materials may be for instance, cocoa butter that melts in the mouth, biodegradable polymers typically used for gastrointestinal delivery of drugs (such as enteric polymer that dissolves in the intestine), etc. The oral administration form according to the present invention may have different forms, such as a tablet, powder, pellets, capsule, syrup, oil, suspension, gel, drops and various candy-like forms.
In one non-limiting example, candy-like administration form may be a chocolate bar including gasified particles and an active ingredient. The present invention further provides a method for preparing a gasified oral administration form according to the present invention, the method comprising: i) preparing a mixture comprising (a) an active ingredient, and (b) a pharmaceutically acceptable material trapping pressurized gas within cavities thereof; and ii) processing the mixture to obtain an administration form, said processing being under conditions that permits said gas to escape upon dissolution or shattering of the administration form.
The mixture mentioned in (i) above may comprise more than one active ingredient. According to one embodiment, the mixture prepared in (i) also comprises a pharmaceutically acceptable ingredient (c) that melts in the mouth, such as cocoa butter. According to this embodiment, the mixture obtained in (i) includes the ingredients (a) and (b) of the mixture, homogeneously dispersed in ingredient (c), and the processing mentioned in (ii) includes casting of the mixture into molds and cooling obtain the gasified oral administration form.
According to another embodiment, the mixture prepared in (i) is of powders, and the processing mentioned in (ii) includes compressing the mixture to produce a tablet.
The present invention further provides a method for preparing a gasified oral administration form comprising: i) melting a pharmaceutically acceptable material to obtain a melt; ii) adding a gas and at least one active ingredient and optionally a pharmaceutically acceptable excipient into the melt under superatmospheric pressure to obtain a liquid pharmaceutical composition; iii) casting the liquid pharmaceutical composition into a mold under superatmospheric pressure; iv) solidifying the cast pharmaceutical composition under conditions suitable to obtain a gasified oral administration form; and releasing the pressure.
The solidification mentioned above in (iv) may be done in a mold having the form of a desired administration form, for instance, a tablet.
Alternatively, the gasified pharmaceutical composition obtained by the above method in (iii) may be processed to an oral administration form according to the present invention by the following steps: (iv) solidifying said gasified pharmaceutical composition to obtain a solid gasified pharmaceutical composition;
(v) grinding the solid gasified pharmaceutical composition to obtain a popping powder; (vi) optionally adding excipients to said powder and mixing them together; and
(vii) processing the obtained powder or mixture to obtain an oral administration form which produces popping sensation when it is wetted. The active ingredient used in any of the above methods may be coated or microencapsulated with a taste-masking material, enteric polymers, humidity protective materials, oxidation protective materials etc.
According to an additional aspect of the invention there is provided a method for orally administering an active ingredient to a patient. The method comprising orally administering to the subject an oral administration form according to the present invention. This method may be used for oral administration of drugs to subjects reluctant to take pharmaceutical compositions that do not create a popping sensation upon wetting.
Further provided by the invention is a method for treating a patient by orally administering to him an administration form according to the present invention.
DETAILED DESCRIPTION OF THE INVENTION
In order to understand the invention and to see how it may be carried out in practice, several specific embodiments will now be described, by way of non-limiting examples only.
Example 1 - Preparation of Paracetamol tablets 500mg
The following ingredients were used in the preparation of the above-mentioned tablets: Ingredient mg/tab Coated Paracetamol 540.0 mg Popping Candy 300.0 mg Cross Povidone 30.0 mg Magnesium Stearate 15.0 mg
Aspartame 10.0 mg Flavor 10.0 mg
Process for the preparation: all the above-mentioned ingredients were mixed together to obtain a uniform mixture that was compressed conventionally to obtain a tablet.
Example 2 - Preparation of Calcium carbonate lozenges 300mg
The following ingredients were used in the preparation of the above-mentioned lozenges:
Ingredient mg/loz.
Calcium Carbonate 300.0 mg
Sucrose 100.0 mg
Lactose 100.0 mg Corn Syrup 50.0 mg
FD&C Red # 40 0.02 mg
Carbon Dioxide q.s.
Grape Flavor 20.0 mg
Process for the preparation: sucrose, lactose, coloring agent and corn syrup were melted. Calcium carbonate and flavor were added and mixed together with the molten mixture. Carbon dioxide was bubbled into the molten mixture under superatmospheric pressure. Then, still under superatmospheric pressure, the melt mass was cast to lozenges-shaped molds and cooled. Example 3 - Preparation of Pseudoephedrine hydrochloride powder for reconstitution
The following ingredients were used in the preparation of the above-mentioned powder: Ingredient mg/g
Coated beads of pseudoephedrine hydrochloride 200.0 mg Fructose 275.0 mg Lactose 275.0 mg Liquid Glucose 225.0 mg Nitrogen q.s.
Cherry flavor 20.0 mg FD&C Blue # 1 0.002 mg FD&C Red # 40 0.001 mg Saccharin sodium 5.0 mg
Process for the preparation: fructose, lactose and liquid glucose were melted. Flavor, sweetener and coloring agents were added and mixed together with the molten mixture. Nitrogen was bubbled into the obtained molten mixture under superatmospheric pressure. Then, the molten mixture was cooled under superatmospheric pressure and then the pressure was released. The obtained solid mixture was ground to obtain a popping powder.
Psuedoephedrine beads were mixed together with the obtained popping powder to yield pseudoephedrine hydrochloride powder.
Example 4- Preparation of Ivermectin 3mg capsules
The following ingredients were used in the preparation of the above-mentioned capsules:
Ingredient mg/caps. Ivermectin 3.0 mg Popping candy 100.0 mg Magnesium stearate 1.5 mg Microcrystalline cellulose 150.0 mg
Process for the preparation: all the above-mentioned ingredients were mixed together to yield a uniform mixture. The obtained mixture was filled inside hard gelatin capsules.
Example 5 - Preparation of Propolis melt bar The following ingredients were used in the preparation of the above-mentioned bar:
Ingredient mg/Bar
Propolis Extract 200.0 mg
Popping Candy lOOO.Omg Cocoa Butter 800.0 mg
Chocolate Flavor 20.0 mg
Process for the preparation: Cocoa butter was melted and while cooling, propolis extract, chocolate flavor and the popping powder were added. The semi-solid mass was cast inside chocolate bar molds to yield the desired bars.
Example 6 - Preparation of Lidocaine Gel
The following ingredients were used in the preparation of the above-mentioned gel:
Ingredient % w/w Lidocaine base 0.2%
Popping Candy (coated with cocoa butter) 20.0%
Propylene Glycol 30.0%
Carbomer 1.0%
Sodium Hydroxide q.s. Water to 100.0% Process for the preparation: Carbomer and water are heated and mixed. Sodium Hydroxide is added to form a liquid gel. While cooling, the rest of the materials are added.
Example 7: Preparation of Ibuprofen 250mg Tablet
Ingredient mg/tab Coated Ibuprofen 270mg Hard Fat 500mg
Strawberry Flavor 3mg Aspartame 5mg Popping Candy 200mg
Process for the preparation
Ibuprofen, Stiawberry flavor and Aspartame are mixed in Hard Fat heated to 45 °C. The mixture is cooled to 38°C and Popping Candy is added. Mixture is filled inside pre-cooled blisters.
Example 8: Preparation of Amoxycillin 250mg Tablet
Ingredient mg/tab Amoxycillin 250mg Hard Fat 600mg
Vanilla Flavor 3mg Aspartame 5mg Popping Candy 250mg Process for the preparation:
Amoxycillin, Vanilla flavor and Aspartame are mixed in Hard Fat heated to 45 °C. The mixture is cooled to 38°C and Popping Candy is added. Mixture is filled inside pre-cooled blisters.

Claims

CLAIMS:
1. An oral administration form comprising an active ingredient and a pressurized gas, said pressurized gas being trapped in cavities within a phaπnaceutically acceptable material, in a manner that allows its escape upon dissolution or shattering of the administration form.
2. An oral administration form according to Claim 1, wherein said pharmaceutically acceptable material comprises said active ingredient.
3. An oral administration form according to Claim 1, comprising more than one active ingredient.
4. An oral administration form according to any one of the preceding claims, including a pharmaceutically acceptable carrier.
5. An oral administration form according to any one of the preceding claims, wherein said active ingredient includes a prescription drug.
6. An oral administration form according to any one of claims 1 to 4, wherein said active ingredient includes a drug sold over the counter.
7. An oral administration form according to any one of claims 1 to 4, wherein said active ingredient is a neutraceutical.
8. An oral administration form according to any one of the preceding claims, suitable for veterinary use.
9. An oral administration form according to any one of the preceding claims, wherein said active ingredient includes a vitamin, an expectorant, an analgesic, an antipyretic, an anti-inflammatory, an antibiotic, an anti-hypertensive, or an anti-histamine agent.
10. An oral administration form according to Claim 9, wherein said active ingredient includes a vitamin, an expectorant, an analgesic, an antipyretic, an anti-inflammatory, an antibiotic, or an anti-hypertensive agent.
11. An oral administration form according to Claim 1, wherein said active ingredient is selected from paracetamol, diphenhydramine, dextrometho han, loratadine, lidocaine, ibuprofen, pseudoephedrine, enalapril and calcium carbonate.
12. An oral administration form according to Claim 1, wherein said active ingredient includes a vitamin or a mineral.
13. An oral administration form according to Claim 12, wherein said vitamin or mineral is selected from vitamin C, vitamin E, biotin, selenium and zinc.
14. An oral administration form according to Claim 7, wherein said neutraceutical is selected from echinacea, propolis and soy extract.
15. An oral administration form according to Claim 8, wherein said active ingredient is selected from nitroscanate, abamectin and ivermectin.
16. An oral administration form according to any one of the preceding claims, wherein said active ingredient is coated by a coating.
17. An oral administration form according to Claim 16, wherein said coating comprises taste-masking materials, biodegradable polymers, enteric polymers, humidity protective materials and/or oxidation protective materials.
18. An oral administration form according to Claim 17, wherein said coating is a taste masking coating.
19. An oral administration form according to any one of the preceding claims, having a form of a tablet, powder, pellets, capsule, syrup, oil, suspension, gel, drops, or candy-like form.
20. An oral administration form according to any one of the preceding claims, wherein said pharmaceutically acceptable material is selected from sugars, com syrup or mixtures thereof.
21. An oral administration form according to any one of the preceding claims, wherein said gas is selected from carbon dioxide, nitrogen, air, helium, argon, and neon.
22. A method for preparing an oral administration form according to Claim 1 comprising: (i) preparing a mixture comprising (a) an active ingredient, and (b) a phaπnaceutically acceptable material trapping pressurized gas within cavities thereof; and
(ii) processing said mixture to obtain an administration form that permits 5 said gas to escape upon dissolution or shattering of the administration form.
23. A method according to claim 22, wherein the mixture prepared in (i) also comprises a pharmaceutically acceptable ingredient that melts in the mouth, the ingredients (a) and (b) of the mixture being homogeneously dispersed
10 therein, and the processing mentioned in (ii) includes casting of the mixture into molds and cooling, to obtain the gasified oral administration form.
24. A method according to claim 22, wherein the mixture prepared in (i) is of powders, and the processing mentioned in (ii) includes compressing the mixture to produce a tablet.
15 25. A method according to any one of Claims 22 to 24 , wherein the mixture in (i) comprising more than one active ingredient.
26. A method according to Claim 22, wherein the mixture obtained in (i) further comprises other excipients.
27. A method for preparing a gasified oral administration form comprising: 20 (i) melting a pharmaceutically acceptable carrier material to obtain a melt; (ii) adding a gas and at least one active ingredient into the melt under superatmospheric pressure to obtain a liquid pharmaceutical composition; 25 (iii) casting the liquid phannaceutical composition into a mold under superatmospheric pressure; and (iv) solidifying the cast pharmaceutical composition under conditions suitable to obtain a gasified oral administration form.
28. A method according to Claim 27, wherein in (ii) a pharmaceutically 30 acceptable excipient is also added into the melt.
29. A method for preparing a gasified oral administration form comprising: (i) melting a pharmaceutically acceptable carrier material to obtain a melt; (ii) adding a gas and at least one active ingredient into the melt under 5 superatmospheric pressure to obtain a liquid pharmaceutical composition; (iii) casting the liquid pharmaceutical composition into a mold under superatmospheric pressure; (iv) solidifying the liquid pharmaceutical composition to obtain a gasified 10 solid pharmaceutical composition;
(v) grinding the gasified solid pharmaceutical composition to obtain a popping powder; and (vi) processing the obtained powder to obtain an oral administration form which produces popping sensation upon wetting. 15 30. A method according to Claim 29, wherein in (ii) a pharmaceutically acceptable excipient is also added into the melt.
31. A method according to Claim 29, wherein an excipient is added to the popping powder obtained in (v) to be processed in (vi).
32. A method for treating a subject comprising administering to said subject a 20 pharmaceutical administration form according to Claim 1.
33. A method according to Claim 32, wherein said pharmaceutical administration form is of a prescription drug.
34. A method for administration of an active ingredient to a subject in need thereof, said method comprising orally administering to said subject an oral
25 administration form according to Claim 1.
35. A method according to Claim 34, wherein said subject is reluctant to swallowing pharmaceutical administration forms that do not produce popping sensation upon wetting.
30
PCT/IL2003/000519 2002-06-19 2003-06-18 Popping oral administration form Ceased WO2004000283A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AU2003241138A AU2003241138B2 (en) 2002-06-19 2003-06-18 Popping oral administration form
EP03730458A EP1517677B1 (en) 2002-06-19 2003-06-18 Popping oral administration form
AT03730458T ATE460156T1 (en) 2002-06-19 2003-06-18 PUFFING ORAL DOSAGE FORMS
CA2489665A CA2489665C (en) 2002-06-19 2003-06-18 Popping oral administration form
JP2004515401A JP4903382B2 (en) 2002-06-19 2003-06-18 Effervescent oral dosage form
DK03730458.1T DK1517677T3 (en) 2002-06-19 2003-06-18 Poppy oral administration
DE60331648T DE60331648D1 (en) 2002-06-19 2003-06-18 BUFFING ORAL PHARMACEUTICAL FORMS
HK06102313.0A HK1081865B (en) 2002-06-19 2003-06-18 Popping oral administration form
US10/994,376 US7887832B2 (en) 2002-06-19 2004-11-23 Popping oral pharmaceutical compositions
IL165843A IL165843A (en) 2002-06-19 2004-12-16 Popping oral administration form

Applications Claiming Priority (2)

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US10/173,814 2002-06-19
US10/173,814 US20030235613A1 (en) 2002-06-19 2002-06-19 Popping oral administration form

Related Parent Applications (1)

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PCT/IL2003/000518 Continuation-In-Part WO2004000282A1 (en) 2002-06-19 2003-06-18 Stable compositions of water sensitive ingredients

Related Child Applications (2)

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US10/173,814 Continuation-In-Part US20030235613A1 (en) 2002-06-19 2002-06-19 Popping oral administration form
US10/994,376 Continuation-In-Part US7887832B2 (en) 2002-06-19 2004-11-23 Popping oral pharmaceutical compositions

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WO2004000283A1 true WO2004000283A1 (en) 2003-12-31

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PCT/IL2003/000518 Ceased WO2004000282A1 (en) 2002-06-19 2003-06-18 Stable compositions of water sensitive ingredients

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AT (1) ATE460156T1 (en)
AU (2) AU2003238644A1 (en)
CA (2) CA2489665C (en)
DE (1) DE60331648D1 (en)
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WO (2) WO2004000283A1 (en)

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AU2003238644A1 (en) 2004-01-06
CA2712349A1 (en) 2003-12-31
CN100586423C (en) 2010-02-03
US20050089567A1 (en) 2005-04-28
EP1517677A1 (en) 2005-03-30
DE60331648D1 (en) 2010-04-22
WO2004000282A1 (en) 2003-12-31
ES2342276T3 (en) 2010-07-05
US20030235613A1 (en) 2003-12-25
CA2489665C (en) 2011-05-24
ATE460156T1 (en) 2010-03-15
HK1081865A1 (en) 2006-05-26
EP1517677B1 (en) 2010-03-10
CA2489665A1 (en) 2003-12-31
US7887832B2 (en) 2011-02-15
AU2003241138A1 (en) 2004-01-06
JP2005530841A (en) 2005-10-13
PT1517677E (en) 2010-04-27
CN1662225A (en) 2005-08-31
AU2003241138B2 (en) 2008-01-24
DK1517677T3 (en) 2010-05-03

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