WO2011084618A2 - Compositions et procédés d'administration de médicaments par voie orale - Google Patents
Compositions et procédés d'administration de médicaments par voie orale Download PDFInfo
- Publication number
- WO2011084618A2 WO2011084618A2 PCT/US2010/060809 US2010060809W WO2011084618A2 WO 2011084618 A2 WO2011084618 A2 WO 2011084618A2 US 2010060809 W US2010060809 W US 2010060809W WO 2011084618 A2 WO2011084618 A2 WO 2011084618A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pharmaceutical composition
- layer
- exenatide
- bioadhesive
- tablets
- Prior art date
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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
- A61K38/2278—Vasoactive intestinal peptide [VIP]; Related peptides (e.g. Exendin)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
- A61K38/28—Insulins
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/284—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
- A61K9/2846—Poly(meth)acrylates
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2886—Dragees; Coated pills or tablets, e.g. with film or compression coating having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2893—Tablet coating processes
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
Definitions
- permeation enhancers are commonly used to enhance the absorption of drugs that are otherwise poorly absorbed (for a review, see B.J. Aungst, J. Pharm. Sci., 2000, 89(4):429-442). Numerous examples of permeation enhancers that are known to improve transdermal or transmucosal absorption are disclosed in U.S. Patent Nos.
- the invention provides a pharmaceutical composition for drug delivery comprising a solid dosage form containing an effective amount of a therapeutic agent, a permeation enhancer and a pharmaceutically acceptable excipient, to form a core, which is coated by a bioadhesive layer containing a bioadhesive polymer.
- the order of applying the bioadhesive polymer layer and the impermeable or semi-permeable layer is reversed.
- the method further comprises coating the composition with an enteric layer.
- FIGS. 14A and 14B demonstrate the effect of bioadhesive polymer content in the bioadhesive layer on the kinetics of exenatide release and absorption in normal dogs.
- the exenatide formulations used for this experiment were two-layer tablets that included 100 mg sodium caprate, an HPMC layer containing 65% or 80% HPMC and the L30D-55 enteric material, and a unidirectional release layer prepared by laser ablation.
- composition or “pharmaceutically acceptable formulation” refers to a composition or formulation that allows for the effective distribution of a moiety or a compound in the physical location most suitable for its desired activity.
- the term “treating” refers to any and all uses which remedy or prevent a diseased or infected state or symptoms, or otherwise deter, hinder, retard, or reverse the progression of a disease/infection or other undesirable symptoms.
- the terms “treating” and “therapeutic” refer to any improvement or amelioration of any consequence of disease; full eradication of disease is not required.
- Amelioration of symptoms of a particular disorder refers to any lessening of symptoms, whether permanent or temporary, that can be attributed to or associated with administration of a therapeutic composition of the present invention.
- solid dosage form refers to any dosage form that is in the form of a solid including, but not limited to, tablets, caplets, capsules including those made from hard or soft materials such as gelatin or natural or synthetic gelatin substitutes, lozenges, combinations thereof and the like.
- eflornithine an enalapril, an enprostil, an epinephrine, an ergometrine, an erlotinib, an erythromycin, an esomeprazole, an estradiol, an eszopiclone, an etoposide, an ezetimibe, a famotidine, a felodipine, a fenofibrate, a fentanyl, a fexofenadine, a finasteride, a flucytosine, a fludrocortisones, a fluorouracil, a fluoxetine, a fluphenazine, a flurbiprofen, a fluticasone, a fluvastatin, a formoterol, a furosemide, a gabapentin, a ganciclovir, a gemcitabine, a gentamicin, a glib
- the pharmaceutical compositions may include other components, such as buffers, preservatives, nonionic surfactants, solubilizing agents, absorption enhancers, stabilizing agents, emollients, lubricants and tonicity agents.
- the composition may be formulated to achieve controlled release of the drugs.
- the pharmaceutical compositions may be in a form suitable for oral use, for example, as tablets, troches, lozenges, or hard or soft capsules.
- Compositions intended for oral use may be prepared according to any method known in the art for the manufacture of pharmaceutical compositions and such compositions may contain one or more agents such as sweetening agents, flavoring agents, coloring agents and preserving agents, e.g. to provide pharmaceutically stable and palatable preparations.
- the amount of permeation enhancer, particularly sodium caprate, in the formulation is about 400 mg, about 300 mg, about 200 mg, about 100 mg, about 50 mg, or about 25 mg, preferably about 200 mg, about 100 mg, or about 50 mg, and more preferably about 100 mg.
- the content of sodium caprate ranges between about 25-300 mg, about 50-200 mg, or about 100-200 mg.
- compositions of the present invention may also be any pharmaceutical compositions of the present invention.
- pharmaceutical compositions of the present invention may also be any pharmaceutical compositions of the present invention.
- compositions for the administration of the compounds of the invention may conveniently be presented in dosage unit form and may be prepared by any of the methods well known in the art of pharmacy.
- the core pharmaceutical composition of the present invention is coated with a bioadhesive layer comprising a bioadhesive polymer.
- the bioadhesive layer comprises a composite of materials, such as a bioadhesive polymer, a plasticizer, or other materials to module the release rate. It is desirable to have high content of bioadhesive materials. In some embodiments, the content of a bioadhesive polymer comprises above about 50%, above about 65%, above about 75%, above about 80%, or above about 90%.
- enteric material in the bioadhesive layer may preserve integrity of the dosage in the stomach and allow release and absorption in the intestines where pH is raised. It often requires high proportion of enteric material such as about 50% or more in order to maintain acid stability. It is therefore quite surprising to observe the acid stability of the dosage even with enteric material as low as about 10-20%.
- the of the unidirectional release tablet opening of the unidirectional release tablet can have any shape, for example, a circle, a triangle, a square, a rectangle, a rhombus, a parallelogram, a trapezium, or any other shape.
- copolymers ethylene/vinyl acetate, polypropylene, polyurethane, ethylene/vinyl alcohol, polyvinyl alcohol, polyvinyllidene, polyolefin, or any combination thereof.
- the solid dosage form includes an exendin or an exendin peptide analog as the therapeutic agent and sodium caprate as the permeation enhancer;
- the bioadhesive layer includes HPMC or AA1 as the bioadhesive polymer and EUDRAGIT® L30D-55 as the enteric polymer;
- the semi-permeable layer includes cellulose acetate or ethyl cellulose and an opening allowing unidirectional release.
- the bioadhesive layer comprises at least about 70% bioadhesive polymer by weight of the layer and at least about 5% enteric polymer by weight of the layer.
- the amount of sodium caprate ranges between about 100 and 150 mg.
- the present invention provides a method for making the present pharmaceutical composition comprising of the following steps: fabricating a solid dosage form comprising an effective amount of a therapeutic agent, a permeation enhancer and a pharmaceutically acceptable excipient; coating the solid dosage form with a bioadhesive layer comprising a bioadhesive polymer; and optionally coating the solid dosage form with an impermeable or semi-permeable layer comprising an opening capable of directing a substantially unidirectional release of the therapeutic agent and the permeation enhancer from the solid dosage form.
- the order of applying the bioadhesive polymer layer and the impermeable or semi-permeable layer is reversed.
- the pharmaceutical composition of present invention is produced in the form of tablets or caplets.
- the core tablets are formed by compression, commonly achieved with a rotary press.
- the tablet fabrication processes including wet granulation and direct compression, have been amply described and are well known art. (DEVELOPING SOLID ORAL DOSAGE FORMS: PHARMACEUTICAL THEORY AND PRACTICE, Ed. by Qiu et al., Academic Press 2009).
- the development of tablet form for macromolecular drugs remains challenging. Most macromolecular drugs are peptides and proteins, which have delicate structure and are highly unstable.
- Table 4 shows the fractions of exenatide or sodium caprate released from the tablets coated with enteric polymer, ethyl cellulose, and HPMC containing 50 mg sodium caprate. The results are also summarized in FIG. 2B. As in the previous experiment, the release of exenatide and sodium caprate is substantially synchronous. Notably, release from the ethyl cellulose coated tablets is further extended compared to the tablets containing a cellulose acetate layer (maximum release reached at 5 hrs vs. 3 hrs).
- the core tablets were fabricated according to the formula listed in Table 15 by compression using a single tablet press. All the components except exenatide and magnesium stearate were first weighed and mixed thoroughly. Granules were then formed with 15% polyvinylpyrrolidone (PVP) in 25% ethanol as adhesive material and dried under vacuum overnight. The granules were sieved through a 22-mesh screen and weighed based on the single tablet along with exenatide and magnesium stearate. The composition was mixed and pressed into tablets. All tablets were weighed individually, and those tablets with more than 5% deviation from the mean tablet weight were excluded from further experiments.
- PVP polyvinylpyrrolidone
- the core tablets were coated with hydroxypropyl methylcellulose (HPMC) with or without enteric material EUDRAGIT® L30D-55.
- HPMC hydroxypropyl methylcellulose
- EUDRAGIT® L30D-55 enteric material EUDRAGIT® L30D-55
- an aqueous solution of 6% HPMC and 1.5% polyethylene glycol, MW 6000 (PEG 6000) was used in a tablet pan coater (BY300A, Yellow Sea Machinery).
- the weight gain due to the bioadhesive layer was 3-4 mg.
- For coating with L30D-55 an aqueous solution of 3% HPMC and 0.6% L30D-55 was used in the tablet pan coater.
- the coated tablets were dried at 40°C for about 14 hrs.
- the weight gain due to the bioadhesive layer was 3 mg.
- the tablets coated with a bioadhesive layer were subsequently coated with a semi -permeable cellulose acetate layer.
- the tablets with diameter of 9 mm were first covered on one side with adhesive paper having circular shape of 7 mm diameter.
- the tablets were coated in a pan coater with a unidirectional coating solution containing 3% cellulose acetate and 1.2% polyethylene glycol, MW 2000 (PEG 2000) in a mixture of acetone and formic acid (9: 1 v/v) and dried at 40°C overnight.
- the weight gain due to the unidirectional release layer was 2 mg.
- the circular sticker was peeled off to expose the unidirectional release opening.
- the tablets coated with a bioadhesive layer were subsequently coated with a semi-permeable cellulose acetate layer.
- the 10 mm diameter tablets were first covered on one side with circular stickers of 7 mm diameter.
- the tablets were coated in a pan coater with a unidirectional coating solution containing 3% cellulose acetate and 1.2% polyethylene glycol, MW 2000 (PEG 2000) in a mixture of acetone and formic acid (9: 1 v/v).
- the tablets were dried at 40°C overnight after coating was completed.
- the weight gain due to the unidirectional release layer was 2 mg.
- the adhesive paper was peeled off to expose the unidirectional release openings.
- Table 20 Core tablet formulation (amounts shown in milligrams).
- Blend uniformities of insulin and exenatide were evaluated according to U.S. Pharmacopeia General Chapter ⁇ 905>, "Uniformity of Dosage Units" ("USP ⁇ 905>”), and samples of the same weight (equal to that of a tablet) were collected from different locations after the blends were mixed completely. Insulin or exenatide content was measured by RP- HPLC. The blend uniformity results are shown in the Table 21.
- Table 29 Basic core tablet formulation (amounts shown in milligrams).
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2784120A CA2784120A1 (fr) | 2009-12-16 | 2010-12-16 | Compositions et procedes d'administration de medicaments par voie orale |
AU2010339907A AU2010339907A1 (en) | 2009-12-16 | 2010-12-16 | Compositions and methods for oral drug delivery |
EP10795591A EP2512454A2 (fr) | 2009-12-16 | 2010-12-16 | Compositions et procedes d'administration de medicaments par voie orale |
JP2012544835A JP2013514976A (ja) | 2009-12-16 | 2010-12-16 | 経口薬物送達のための組成物および方法 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28714609P | 2009-12-16 | 2009-12-16 | |
US61/287,146 | 2009-12-16 | ||
CN200910201248.3A CN102100912B (zh) | 2009-12-16 | 2009-12-16 | 一种给药组合物及其制备和使用方法 |
CN200910201248.3 | 2009-12-16 | ||
CN201010227045.4 | 2010-07-14 | ||
CN201010227045.4A CN102335431B (zh) | 2010-07-14 | 2010-07-14 | 一种给药组合物及其制备和使用方法 |
US36591610P | 2010-07-20 | 2010-07-20 | |
US61/365,916 | 2010-07-20 |
Publications (2)
Publication Number | Publication Date |
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WO2011084618A2 true WO2011084618A2 (fr) | 2011-07-14 |
WO2011084618A3 WO2011084618A3 (fr) | 2012-01-19 |
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PCT/US2010/060809 WO2011084618A2 (fr) | 2009-12-16 | 2010-12-16 | Compositions et procédés d'administration de médicaments par voie orale |
Country Status (5)
Country | Link |
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EP (1) | EP2512454A2 (fr) |
JP (1) | JP2013514976A (fr) |
AU (1) | AU2010339907A1 (fr) |
CA (1) | CA2784120A1 (fr) |
WO (1) | WO2011084618A2 (fr) |
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WO2015010927A1 (fr) * | 2013-07-24 | 2015-01-29 | Novo Nordisk A/S | Composition pharmaceutique pour administration orale d'insuline comprenant un cœur de comprimé et un enrobage de copolymère anionique |
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US9278123B2 (en) | 2010-12-16 | 2016-03-08 | Novo Nordisk A/S | Solid compositions comprising a GLP-1 agonist and a salt of N-(8-(2-hydroxybenzoyl)amino)caprylic acid |
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- 2010-12-16 WO PCT/US2010/060809 patent/WO2011084618A2/fr active Application Filing
- 2010-12-16 CA CA2784120A patent/CA2784120A1/fr not_active Abandoned
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Also Published As
Publication number | Publication date |
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WO2011084618A3 (fr) | 2012-01-19 |
AU2010339907A1 (en) | 2012-07-05 |
JP2013514976A (ja) | 2013-05-02 |
CA2784120A1 (fr) | 2011-07-14 |
EP2512454A2 (fr) | 2012-10-24 |
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