WO1999020277A1 - Composition medicamenteuse a dissolution rapide - Google Patents
Composition medicamenteuse a dissolution rapide Download PDFInfo
- Publication number
- WO1999020277A1 WO1999020277A1 PCT/JP1998/004658 JP9804658W WO9920277A1 WO 1999020277 A1 WO1999020277 A1 WO 1999020277A1 JP 9804658 W JP9804658 W JP 9804658W WO 9920277 A1 WO9920277 A1 WO 9920277A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- pharmaceutical composition
- fast
- composition according
- dissolving pharmaceutical
- Prior art date
Links
Classifications
-
- 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
-
- 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
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K31/499—Spiro-condensed pyrazines or piperazines
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- 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
- A61K47/02—Inorganic compounds
-
- 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
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/12—Carboxylic acids; Salts or anhydrides thereof
Definitions
- the present invention has a strong aldose reductase (aldose reductase) inhibitory effect
- the present invention relates to a fast-dissolving pharmaceutical composition containing '-tetraone (hereinafter, referred to as “AS-3201”).
- AS-3201 is a compound represented by the following formula.
- the compound was prepared in Example 22 of Japanese Patent No. 2516147 (US Pat. No. 5,258,382), and Reference Example 1 of JP-A-6-192222 [Chem. Abstr., 122, 9860 (1995)]. 2 and Japanese Patent Application Laid-Open No. 8-176105 [Chem. Abstr., 125, 221569 (1996)], which show a strong anoredose reductase inhibitory activity.
- Example 28 of Japanese Patent No. 2516147 (US Pat. No. 5,258,382) describes a method for producing a specific tablet of AS-3201.
- AS-3201 (lg), corn starch (25 g), lactose (58 g), microcrystalline cellulose (1 lg), hydroxypropylcellulose (3 g), light silica anhydride (1 g) and stearin Mix magnesium oxide (lg), granulate, and press-mold to prepare 1,000 tablets of 10 Omg per tablet. It is described.
- the present inventors have developed AS—3 with excellent bioavailability (bioavailability).
- the present inventors have conducted intensive studies and found that the use of finely pulverized AS-3201 in the preparation of a pharmaceutical composition significantly improved the dissolution property, and as a result, the AS- with the highest bioavailability.
- the present inventors have found that a fast-dissolving pharmaceutical composition containing 3201 can be obtained, and have completed the present invention. Disclosure of the invention
- the present invention provides a fast-dissolving pharmaceutical composition comprising micronized AS-3201.
- Pulverized AS-3201 means a powder of AS-3201 having an average particle size of less than about 20 ⁇ m.
- Average particle size means the 50% particle size determined from the cumulative distribution of the particle size distribution based on mass (volume) [HA Lieberman et al.,
- “Dissolution test” refers to the method described in the Japanese Pharmacopoeia, 12th Edition, using 90 Oml of a pH 6.5 phosphate buffer (0.2 M) as a test solution, and adding each pharmaceutical composition (AS This means a test in which the dissolution property of —3201 2 Omg) is evaluated by the paddle method (50 rpm), and the quantification of AS ⁇ 3201 is performed by the absorbance method (300 nm).
- PK al refers to acid dissociation in an infinitely diluted solution of an acidic substance at 25 ° C In the case of polybasic acids, it means the exponent of the first stage dissociation.
- Solubility in water means the maximum mass of a solute that can be dissolved in 100 ml of water.
- the average particle size of the micronized AS-3210 is preferably less than about 10 // ⁇ , more preferably less than about 5 ⁇ , and about 0.5 ⁇ to about 3 ⁇ . Those in the range of zm are particularly preferred.
- powders examples include fluid energy powders such as jet mills (made by Seishin Company, Japan), Sampno Reminore (Hosokawa Micronine ⁇ , Japan), pin mills (ALPINE, Germany), Onguru (Hosokawa Micron, High-speed rotary impact mills such as Japan), wet high-speed rotary mills such as Micros (Nara Machinery, Japan), and rotary mills such as ball mills.
- Fluid energy powder is preferably used to obtain a fine powder having an average particle diameter smaller than about 5 ⁇ .
- the pulverization may be carried out using the AS-321 crystal alone or in a state of being mixed with a part or all of a pharmaceutical additive (carrier) used in the production of a pharmaceutical composition.
- AS-321-containing fast-dissolving pharmaceutical composition of the present invention examples include solid preparations, and specific examples include tablets, capsules, granules, and powders.
- These pharmaceutical compositions are prepared by mixing excipients, disintegrants, binders and lubricants with pharmaceutical additives (carriers) in a conventional manner with the finely ground AS-3201. can do.
- carriers pharmaceutical additives
- a tablet can be prepared by filling a capsule with a capsule or by compression molding.
- a mixture of finely pulverized AS-3201 and a pharmaceutical additive is directly filled into a forcepsel to form a capsule, or a tablet by compression molding. Can also be prepared.
- These pharmaceutical compositions may be coated if necessary.
- the pharmaceutical composition of the present invention may contain a stabilizer, a surfactant, a coloring agent, a flavoring agent, and the like, if necessary.
- excipients include lactose, starch, crystalline cellulose, D-mannitol, sucrose, glucose, erythritol, xylitol, D-sorbitol, anhydrous calcium hydrogen phosphate, and calcium sulfate.
- disintegrants include starch, crystalline cellulose, low-substituted hydroxypropinolesenorelose, canolemelose, canolemelose kanoresum, canoleboxymethinoles sodium starch, croscarmellose sodium, partially pregelatinized starch And hydroxypropyl starch.
- binder examples include gum arabic, starch, hydroxypropylcellulose, hydroxypropylmethyl cellulose, polyvinyl alcohol, pullulan, gelatin, ethinolecellulose, methylcellulose, carmellose sodium, and dextrin.
- lubricant examples include magnesium stearate, calcium stearate, stearic acid, sucrose fatty acid ester, light caffeic anhydride, tanolek, hydrogenated oil, and macrogol.
- pK al about 4. less than 5
- 1 5 ° C ⁇ 2 solubility in water at 5 ° C is approximately 1 O g
- Z l Big acidic substance is favored over 0 0 ml, pK al about 3. smaller than 3, ⁇ in water at or One 1 5 ° C ⁇ 2 5 ° C is approximately 5 O gZ l 0 Oml
- Acidic substances larger than are particularly preferred.
- Particularly preferred specific examples of acidic substances include citric acid, tartaric acid, maleic acid or phosphoric acid, of which tartaric acid is most preferred.
- the amount of acid '14 added is preferably in the range of about 0.5% to about 2.5% by weight.
- a stabilizer In the case of producing a pharmaceutical composition containing less than about 5% by weight of AS-3201, it is desirable to add a stabilizer.
- the surfactant that can be added to the pharmaceutical composition of the present invention include sorbitan lunar fatty acid esters and polysorbates.
- Specific examples of the coloring agent include tar pigment, caramel, and bengalara. Sweeteners, flavors and the like can be used as flavoring agents.
- the dissolution is significantly improved by using the finely ground AS-321.
- the dissolution is further improved by adjusting the compounding ratio of the pharmaceutical additive (carrier).
- An AS-3210-containing fast-dissolving pharmaceutical composition having improved and good bioavailability can be produced.
- the appropriate compounding ratio of the additives depends on the content of AS-321.
- the content of AS-321 in the fast-dissolving pharmaceutical composition of the present invention is usually in the range of about 0.5% by weight to about 25% by weight based on the total weight of the drug and the composition.
- the blending ratio of the additives is usually about 51% to about 93.3%.
- 8% by weight excipient about 5% to about 35% by weight disintegrant, about 0.5% to about 5% by weight binder and about 0.2% to about 4% by weight.
- a suitable proportion is a lubricant, further from about 59% to about 88% by weight of an excipient, from about 10% to about 30% by weight of a disintegrant, from about 1% to about 3%.
- a ratio of about 0.5% by weight of binder and about 0.5% to about 3% by weight of lubricant is preferred.
- the mixing ratio of the additive is usually about 16% by weight.
- % To about 84.3% by weight excipient, about 10% to about 50% by weight disintegrant, about 0.5% to about 5% by weight binder and about 0.2% by weight. A suitable proportion is from about 29% to about 73.5% by weight of the excipient, about 20% by weight. /. A ratio of from about 40% by weight disintegrant, from about 1% to about 3% by weight binder and from about 0.5% to about 3% by weight lubricant is preferred.
- the AS-3201-containing fast-dissolving pharmaceutical composition of the present invention is subjected to moisture-proof packaging such as bottle packaging and heat-sealing packaging using a material having low moisture permeability, if necessary.
- FIG. 1 is a graph showing the dissolution patterns of the tablets of Examples 1 and 2 and Comparative Example 1. BEST MODE FOR CARRYING OUT THE INVENTION
- the average particle size was measured using a laser diffraction type particle size distribution analyzer [HER0S & R0D0S (trademark), manufactured by SYMPATEC GmbH, Germany], and the volume-based particle size distribution in the dry dispersion method (dispersion pressure 0.5 atm) was measured. It was determined from the cumulative distribution.
- AS-3201 crystal is pulverized with a single track jet mill (manufactured by Seishin Enterprise; hereinafter, abbreviated as “jet mill”) at a compression pressure of 6 kgf m 2 to obtain a powder having an average particle size of about 1.5 / ra. Obtained.
- This AS-3201 powder, lactose and low substitution Roxypropylcellulose was charged into a fluidized bed granulated dry granule, and a solution prepared by dissolving tartaric acid in a 5% aqueous solution of hydroxypropylcellulose was sprayed and granulated. After drying, magnesium stearate was added and mixed with a V-type mixer. This was compression-molded by a rotary tableting machine into 125 mg tablets each containing 2 Omg of AS-3201.
- the AS-3201 crystal was pulverized with Sampnore mill (manufactured by Hosokawa Micron) to obtain a powder having an average particle size of about 10 ⁇ m.
- This AS 3201 powder was granulated, dried and compressed in the same manner as in Example 1 and compression-molded into 125 mg tablets each containing 2 Omg of AS 3201: Comparative Example 1 Preparation of tablets:
- FIG. 1 Each point in FIG. 1 shows the average value of the results of three tests on each tablet of Examples 1 and 2 and Comparative Example 1.
- the tablets of Examples 1 and 2 have a significantly improved dissolution property as compared with the tablet of Comparative Example 1.
- Lactose 600g Low-substituted hydroxypropylcellulose 20 Og Hydroxypropylcellulose 2 Og
- Example 1 A ⁇ Small 100 Og The same treatment as in Example 1 was performed and compression-molded into 125 mg tablets each containing 2 Omg of AS-3201. The dissolution rate of the tablet in the dissolution test for 15 minutes after the start of the test was 72.6%.
- AS-3201 crystals are ground using a mill with a compression pressure of 6 kgf / cm 2 , and then put into a fluidized-bed granulator together with lactose and low-substituted hydroxypropylcellulose to give 5% hydroxypropylcellulose.
- a solution of tartaric acid dissolved in the aqueous solution was sprayed and granulated. After drying, magnesium stearate was added and mixed with a V-type mixer. This was compressed into 125 mg tablets each containing 2.5 mg of AS-3201 using a rotary tableting machine.
- AS-3201 crystals were ground with a jet mill at a compression pressure of 6 kgf m 2 , and lactose and low-substituted hydroxypropylcellulose were added and mixed with a universal mixing stirrer for 5 minutes.
- magnesium stearate was added, and the mixture was compression-molded into 125 rag tablets each containing 2 Omg of AS-3201 using a single tablet press.
- the dissolution rate of the tablet in the dissolution test for 15 minutes after the start of the test was 93.2.%.
- Example 6 Preparation of tablets:
- AS-3201 crystals are pulverized with a jet mill at a compression pressure of 6 kgf / cm 2 , and then put into a fluidized bed granulated dry together with lactose and low-substituted hydroxypropyl cellulose, and 5% hydroxypropyl cellulose.
- the aqueous solution was sprayed and granulated.
- magnesium stearate was added and mixed with a V-type mixer. This was compression-molded into a tablet of 125 mg per tablet containing 2 Omg of AS-3201 using a single-tally tableting machine.
- the dissolution rate of the tablet in the dissolution test for 15 minutes after the start of the test was 92.0%.
- Examples 7-9 Preparation of tablets: Example 7
- Example 8 Example 9
- Example 7 In the dissolution test of the tablets of 8 and 9, the dissolution rate for 15 minutes after the start of the test was 91.0%, 94.5%, and 92.7%, respectively.
- a ⁇ mouth 1 100 Og 100 Og 100 Og AS-3201 pulverized by a jet mill is granulated, dried and compressed in the same manner as in Example 1 to obtain a tablet of 125 mg containing 1 Omg of AS-3201. It was compression molded.
- the dissolution rates after 15 minutes from the start of the test were 89.4%, 91.6% and 92.2%, respectively.
- the AS-3210-containing fast-dissolving pharmaceutical composition of the present invention has improved dissolution properties and shows good bioavailability.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Diabetes (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Endocrinology (AREA)
- Obesity (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Cosmetics (AREA)
- Saccharide Compounds (AREA)
Description
Claims
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9830769T SI1033132T1 (en) | 1997-10-20 | 1998-10-15 | Rapidly soluble drug composition comprising micronized as-3201 |
PL340045A PL191533B1 (pl) | 1997-10-20 | 1998-10-15 | Szybko-rozpuszczalna kompozycja farmaceutyczna |
HU0004132A HUP0004132A3 (en) | 1997-10-20 | 1998-10-15 | Rapidly soluble drug composition |
BR9814090-6A BR9814090A (pt) | 1997-10-20 | 1998-10-15 | Composição de drogas rapidamente solúvel |
KR1020007004191A KR100571614B1 (ko) | 1997-10-20 | 1998-10-15 | 속용성 의약 조성물 |
AU94619/98A AU740299B2 (en) | 1997-10-20 | 1998-10-15 | Fast-dissolving pharmaceutical composition |
NZ503796A NZ503796A (en) | 1997-10-20 | 1998-10-15 | Fast-dissolving pharmaceutical composition comprising micronised (R)-2-(4-bromo-2-fluorobenzyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-spiro-3'-pyrrolidine-1,2',3,5'-tetrone (AS-3201) |
CA002306883A CA2306883C (en) | 1997-10-20 | 1998-10-15 | Fast-dissolving pharmaceutical composition comprising as-3201 |
EP98947883A EP1033132B1 (en) | 1997-10-20 | 1998-10-15 | Rapidly soluble drug composition comprising micronized as-3201 |
AT98947883T ATE296101T1 (de) | 1997-10-20 | 1998-10-15 | Schnellösliche arzneimittelzusammensetzung enthaltend mikronisierte as-3201 |
US09/529,715 US7141249B2 (en) | 1997-10-20 | 1998-10-15 | Rapidly soluble drug composition |
DK98947883T DK1033132T3 (da) | 1997-10-20 | 1998-10-15 | Hurtigtoplösende lægemiddelpræparat omfattende mikroniseret AS-3201 |
DE69830333T DE69830333T2 (de) | 1997-10-20 | 1998-10-15 | SCHNELLÖSLICHE ARZNEIMITTELZUSAMMENSETZUNG ENTHALTEND MIKRONISiERTE AS-3201 |
NO20002049A NO319049B1 (no) | 1997-10-20 | 2000-04-18 | Hurtigopplosende farmasoytisk preparat som omfatter mikronisert (R)-2-(4-brom-2-fluorbenzyl)-1,2,3,4-tetrahydropyrrol[1,2-a]pyrazin-4-spiro-3'-pyrrolidin-1,2',3,5'-tetron |
HK01100617A HK1030359A1 (en) | 1997-10-20 | 2001-01-29 | Rapidly soluble drug composition comprising micronized as-3201. |
US11/498,147 US20060269599A1 (en) | 1997-10-20 | 2006-08-03 | Fast-dissolving pharmaceutical composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30663597 | 1997-10-20 | ||
JP9/306635 | 1997-10-20 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/498,147 Division US20060269599A1 (en) | 1997-10-20 | 2006-08-03 | Fast-dissolving pharmaceutical composition |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999020277A1 true WO1999020277A1 (fr) | 1999-04-29 |
Family
ID=17959478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004658 WO1999020277A1 (fr) | 1997-10-20 | 1998-10-15 | Composition medicamenteuse a dissolution rapide |
Country Status (22)
Country | Link |
---|---|
US (2) | US7141249B2 (ja) |
EP (1) | EP1033132B1 (ja) |
KR (1) | KR100571614B1 (ja) |
CN (1) | CN1156277C (ja) |
AT (1) | ATE296101T1 (ja) |
AU (1) | AU740299B2 (ja) |
BR (1) | BR9814090A (ja) |
CA (1) | CA2306883C (ja) |
CZ (1) | CZ299018B6 (ja) |
DE (1) | DE69830333T2 (ja) |
ES (1) | ES2242298T3 (ja) |
HK (1) | HK1030359A1 (ja) |
HU (1) | HUP0004132A3 (ja) |
ID (1) | ID23915A (ja) |
NO (1) | NO319049B1 (ja) |
NZ (1) | NZ503796A (ja) |
PL (1) | PL191533B1 (ja) |
PT (1) | PT1033132E (ja) |
RU (1) | RU2203665C2 (ja) |
TR (1) | TR200001056T2 (ja) |
TW (1) | TW592728B (ja) |
WO (1) | WO1999020277A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010018866A1 (ja) | 2008-08-14 | 2010-02-18 | 杏林製薬株式会社 | 安定化された医薬組成物 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU740299B2 (en) * | 1997-10-20 | 2001-11-01 | Dainippon Sumitomo Pharma Co., Ltd. | Fast-dissolving pharmaceutical composition |
DK1884242T3 (da) | 2005-05-26 | 2013-05-06 | Dainippon Sumitomo Pharma Co | Farmaceutisk sammensætning omfattende lurasidon |
CN105769809A (zh) * | 2014-12-23 | 2016-07-20 | 上海星泰医药科技有限公司 | 提高生物利用度的雷尼司他及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05186472A (ja) * | 1991-06-26 | 1993-07-27 | Dainippon Pharmaceut Co Ltd | テトラヒドロピロロ〔1,2−a〕ピラジン−4−スピロ−3′−ピロリジン誘導体及びそれを有効成分とする糖尿病性合併症治療薬 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK607188A (da) * | 1987-11-02 | 1989-06-22 | Merck & Co Inc | Tablet indeholdende en phthalazineddikesyreforbindelse |
JPH0518672A (ja) * | 1991-07-09 | 1993-01-26 | Daido Steel Co Ltd | 熱処理炉の冷却域における炉体構造 |
DE4141351A1 (de) * | 1991-12-14 | 1993-06-17 | Basf Ag | Stabile pulverfoermige vitamin- und/oder carotinoid-praeparate und verfahren zu deren herstellung |
DE4400464A1 (de) * | 1994-01-11 | 1995-07-13 | Bayer Ag | Endoparasitizide Mittel |
DE4440337A1 (de) * | 1994-11-11 | 1996-05-15 | Dds Drug Delivery Services Ges | Pharmazeutische Nanosuspensionen zur Arzneistoffapplikation als Systeme mit erhöhter Sättigungslöslichkeit und Lösungsgeschwindigkeit |
TW438587B (en) * | 1995-06-20 | 2001-06-07 | Takeda Chemical Industries Ltd | A pharmaceutical composition for prophylaxis and treatment of diabetes |
US6458811B1 (en) * | 1996-03-26 | 2002-10-01 | Eli Lilly And Company | Benzothiophenes formulations containing same and methods |
AU740299B2 (en) * | 1997-10-20 | 2001-11-01 | Dainippon Sumitomo Pharma Co., Ltd. | Fast-dissolving pharmaceutical composition |
DK1038525T3 (da) * | 1997-10-20 | 2004-08-02 | Dainippon Pharmaceutical Co | Stabiliseret farmaceutisk præparat af tetrahydropyrrolo[1,2-a]pyrazin-4-spiro-3'-pyrrolidin |
-
1998
- 1998-10-15 AU AU94619/98A patent/AU740299B2/en not_active Ceased
- 1998-10-15 BR BR9814090-6A patent/BR9814090A/pt not_active Application Discontinuation
- 1998-10-15 US US09/529,715 patent/US7141249B2/en not_active Expired - Fee Related
- 1998-10-15 EP EP98947883A patent/EP1033132B1/en not_active Expired - Lifetime
- 1998-10-15 CA CA002306883A patent/CA2306883C/en not_active Expired - Fee Related
- 1998-10-15 ES ES98947883T patent/ES2242298T3/es not_active Expired - Lifetime
- 1998-10-15 PT PT98947883T patent/PT1033132E/pt unknown
- 1998-10-15 NZ NZ503796A patent/NZ503796A/en not_active IP Right Cessation
- 1998-10-15 PL PL340045A patent/PL191533B1/pl not_active IP Right Cessation
- 1998-10-15 CN CNB98812372XA patent/CN1156277C/zh not_active Expired - Fee Related
- 1998-10-15 WO PCT/JP1998/004658 patent/WO1999020277A1/ja active IP Right Grant
- 1998-10-15 HU HU0004132A patent/HUP0004132A3/hu unknown
- 1998-10-15 CZ CZ20001418A patent/CZ299018B6/cs not_active IP Right Cessation
- 1998-10-15 RU RU2000112538/14A patent/RU2203665C2/ru not_active IP Right Cessation
- 1998-10-15 AT AT98947883T patent/ATE296101T1/de active
- 1998-10-15 KR KR1020007004191A patent/KR100571614B1/ko not_active IP Right Cessation
- 1998-10-15 ID IDW20000676A patent/ID23915A/id unknown
- 1998-10-15 TR TR2000/01056T patent/TR200001056T2/xx unknown
- 1998-10-15 DE DE69830333T patent/DE69830333T2/de not_active Expired - Lifetime
- 1998-10-19 TW TW087117258A patent/TW592728B/zh not_active IP Right Cessation
-
2000
- 2000-04-18 NO NO20002049A patent/NO319049B1/no not_active IP Right Cessation
-
2001
- 2001-01-29 HK HK01100617A patent/HK1030359A1/xx not_active IP Right Cessation
-
2006
- 2006-08-03 US US11/498,147 patent/US20060269599A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05186472A (ja) * | 1991-06-26 | 1993-07-27 | Dainippon Pharmaceut Co Ltd | テトラヒドロピロロ〔1,2−a〕ピラジン−4−スピロ−3′−ピロリジン誘導体及びそれを有効成分とする糖尿病性合併症治療薬 |
Non-Patent Citations (2)
Title |
---|
"DESIGN AND EVALUATION OF PERORAL PHARMACEUTICAL PREPARATIONS", DESIGN AND EVALUATION OF PERORAL PHARMACEUTICAL PREPARATIONS, XX, XX, 10 February 1995 (1995-02-10), XX, pages 81 - 84 + 168, XP002915802 * |
"PRACTICAL DRUG ADDITIVES", PRACTICAL DRUG ADDITIVES, XX, XX, 5 March 1974 (1974-03-05), XX, pages 258/259, XP002915803 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010018866A1 (ja) | 2008-08-14 | 2010-02-18 | 杏林製薬株式会社 | 安定化された医薬組成物 |
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