AU2001281045A1 - Acid end group poly(d,l-lactide-co-glycolide) copolymers with high glycolide content - Google Patents
Acid end group poly(d,l-lactide-co-glycolide) copolymers with high glycolide contentInfo
- Publication number
- AU2001281045A1 AU2001281045A1 AU2001281045A AU8104501A AU2001281045A1 AU 2001281045 A1 AU2001281045 A1 AU 2001281045A1 AU 2001281045 A AU2001281045 A AU 2001281045A AU 8104501 A AU8104501 A AU 8104501A AU 2001281045 A1 AU2001281045 A1 AU 2001281045A1
- Authority
- AU
- Australia
- Prior art keywords
- glycolide
- lactide
- copolymers
- end group
- acid end
- 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.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
- A61K38/09—Luteinising hormone-releasing hormone [LHRH], i.e. Gonadotropin-releasing hormone [GnRH]; Related peptides
-
- 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
- A61K38/27—Growth hormone [GH] (Somatotropin)
-
- 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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/635,677 | 2000-08-10 | ||
US09/635,677 US6362308B1 (en) | 2000-08-10 | 2000-08-10 | Acid end group poly(d,l-lactide-co-glycolide) copolymers high glycolide content |
PCT/US2001/024423 WO2002014403A2 (en) | 2000-08-10 | 2001-08-02 | Acid end group poly(d,l-lactide-co-glycolide) copolymers with high glycolide content |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001281045A1 true AU2001281045A1 (en) | 2002-02-25 |
Family
ID=24548683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001281045A Abandoned AU2001281045A1 (en) | 2000-08-10 | 2001-08-02 | Acid end group poly(d,l-lactide-co-glycolide) copolymers with high glycolide content |
Country Status (3)
Country | Link |
---|---|
US (3) | US6362308B1 (en) |
AU (1) | AU2001281045A1 (en) |
WO (1) | WO2002014403A2 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002012369A1 (en) | 2000-08-07 | 2002-02-14 | Wako Pure Chemical Industries, Ltd. | Lactic acid polymer and process for producing the same |
US6362308B1 (en) * | 2000-08-10 | 2002-03-26 | Alkermes Controlled Therapeutics Inc. Ii | Acid end group poly(d,l-lactide-co-glycolide) copolymers high glycolide content |
US7309498B2 (en) * | 2001-10-10 | 2007-12-18 | Belenkaya Bronislava G | Biodegradable absorbents and methods of preparation |
KR20050012221A (en) * | 2001-11-12 | 2005-01-31 | 오노 야꾸힝 고교 가부시키가이샤 | Persistent filmy preparation for topical administration containing prostaglandin derivative |
US20070196415A1 (en) * | 2002-11-14 | 2007-08-23 | Guohua Chen | Depot compositions with multiple drug release rate controls and uses thereof |
KR20040058101A (en) * | 2001-11-14 | 2004-07-03 | 알자 코포레이션 | Catheter injectable depot compositions and uses thereof |
US6528044B1 (en) * | 2001-12-27 | 2003-03-04 | Avon Products, Inc. | Pigmented cosmetic compositions |
MY135206A (en) * | 2002-01-11 | 2008-02-29 | Daicel Chem | Process of continuously producing polyester-based polymer |
US20040001889A1 (en) | 2002-06-25 | 2004-01-01 | Guohua Chen | Short duration depot formulations |
US7163545B2 (en) * | 2002-07-29 | 2007-01-16 | Mayo Foundation For Medical Education And Research | Spinal cord surgical implant |
WO2004011054A2 (en) * | 2002-07-31 | 2004-02-05 | Alza Corporation | Injectable multimodal polymer depot compositions and uses thereof |
DE60226282T2 (en) * | 2002-07-31 | 2009-09-17 | Alza Corp., Mountain View | INJECTABLE DEPOT COMPOSITIONS AND THEIR USE |
EP1440992A1 (en) * | 2003-01-21 | 2004-07-28 | Société de Conseils de Recherches et d'Applications Scientifiques ( S.C.R.A.S.) | Catalyst composition for (co)polymerisation of lactide and glycolide |
US20060142234A1 (en) * | 2004-12-23 | 2006-06-29 | Guohua Chen | Injectable non-aqueous suspension |
EP1686807A1 (en) * | 2005-01-27 | 2006-08-02 | Nagra France Sarl | Method of load balancing of a management center transmitting informations to a big number of user-units |
JP2007023189A (en) * | 2005-07-19 | 2007-02-01 | Univ Kinki | Compatibilizing agent and resin composition |
US7794495B2 (en) * | 2006-07-17 | 2010-09-14 | Advanced Cardiovascular Systems, Inc. | Controlled degradation of stents |
DE102007036101A1 (en) | 2007-08-01 | 2009-02-05 | Boehringer Ingelheim Pharma Gmbh & Co. Kg | New glycolide-rich copolymers |
JP5453693B2 (en) * | 2007-10-29 | 2014-03-26 | ディーエスエム アイピー アセッツ ビー.ブイ. | Composition containing resveratrol and pectin |
US8652506B2 (en) | 2008-06-05 | 2014-02-18 | Boston Scientific Scimed, Inc. | Bio-degradable block co-polymers for controlled release |
WO2010085607A1 (en) * | 2009-01-23 | 2010-07-29 | Surmodics Pharmaceuticals, Inc. | Continuous double emulsion process for making microparticles |
EP3079668A1 (en) | 2013-12-09 | 2016-10-19 | Durect Corporation | Pharmaceutically active agent complexes, polymer complexes, and compositions and methods involving the same |
ES2546566B2 (en) * | 2015-07-23 | 2016-09-14 | Universidade De Santiago De Compostela | System for the administration of biologically active substances prepared by foaming techniques using compressed gases or supercritical fluids |
KR20220140711A (en) | 2020-01-13 | 2022-10-18 | 듀렉트 코퍼레이션 | Reduced Impurity Sustained Release Drug Delivery Systems and Related Methods |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4137921A (en) | 1977-06-24 | 1979-02-06 | Ethicon, Inc. | Addition copolymers of lactide and glycolide and method of preparation |
IE52535B1 (en) | 1981-02-16 | 1987-12-09 | Ici Plc | Continuous release pharmaceutical compositions |
CA1256638A (en) | 1984-07-06 | 1989-06-27 | Motoaki Tanaka | Polymer and its production |
JP2551756B2 (en) * | 1985-05-07 | 1996-11-06 | 武田薬品工業株式会社 | Polyoxycarboxylic acid ester and method for producing the same |
EP0275581B1 (en) | 1986-12-19 | 1992-08-12 | Akzo N.V. | Preparation of polylactic acid and copolymers thereof |
US4719246A (en) | 1986-12-22 | 1988-01-12 | E. I. Du Pont De Nemours And Company | Polylactide compositions |
JPH0613602B2 (en) | 1987-07-14 | 1994-02-23 | 三井東圧化学株式会社 | Method for producing d-l-lactic acid-glycolic acid copolymer |
GB2209937B (en) | 1987-09-21 | 1991-07-03 | Depiopharm S A | Water insoluble polypeptides |
PH30995A (en) | 1989-07-07 | 1997-12-23 | Novartis Inc | Sustained release formulations of water soluble peptides. |
CH679207A5 (en) | 1989-07-28 | 1992-01-15 | Debiopharm Sa | |
US5252701A (en) * | 1990-07-06 | 1993-10-12 | American Cyanamid Company | Segmented absorbable copolymer |
MY108621A (en) * | 1990-08-01 | 1996-10-31 | Novartis Ag | Polylactide preparation and purification |
US5320624A (en) | 1991-02-12 | 1994-06-14 | United States Surgical Corporation | Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorbable surgical devices made therefrom |
DE4320396A1 (en) * | 1993-06-19 | 1994-12-22 | Boehringer Ingelheim Kg | Novel polymers based on D-, L- and D,L-methylglycolide, process for their preparation, and their use as biodegradable polymers |
US5650173A (en) | 1993-11-19 | 1997-07-22 | Alkermes Controlled Therapeutics Inc. Ii | Preparation of biodegradable microparticles containing a biologically active agent |
PT729357E (en) | 1993-11-19 | 2005-06-30 | Janssen Pharmaceutica Nv | MICROENCAPSULATED 1,2-BWENZAZOLES |
EP0998917A1 (en) | 1993-11-19 | 2000-05-10 | Alkermes Controlled Therapeutics Inc. II | Preparation of biodegradable microparticles containing a biologically active agent |
US5705197A (en) | 1994-05-16 | 1998-01-06 | The United States Of America As Represented By The Secretary Of The Army | Extraction process for producing PLGA microspheres |
US5478921A (en) | 1994-08-25 | 1995-12-26 | United States Surgical Corporation | Method of purifying bioabsorable polymer |
US5641501A (en) | 1994-10-11 | 1997-06-24 | Ethicon, Inc. | Absorbable polymer blends |
US5718922A (en) * | 1995-05-31 | 1998-02-17 | Schepens Eye Research Institute, Inc. | Intravitreal microsphere drug delivery and method of preparation |
US5942253A (en) | 1995-10-12 | 1999-08-24 | Immunex Corporation | Prolonged release of GM-CSF |
US5968543A (en) | 1996-01-05 | 1999-10-19 | Advanced Polymer Systems, Inc. | Polymers with controlled physical state and bioerodibility |
US5792477A (en) | 1996-05-07 | 1998-08-11 | Alkermes Controlled Therapeutics, Inc. Ii | Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent |
US5817343A (en) | 1996-05-14 | 1998-10-06 | Alkermes, Inc. | Method for fabricating polymer-based controlled-release devices |
US5945128A (en) | 1996-09-04 | 1999-08-31 | Romano Deghenghi | Process to manufacture implants containing bioactive peptides |
US5952405A (en) | 1997-08-26 | 1999-09-14 | National Starch And Chemical Investment Holding Corporation | Lactide graft copolymers and hot melt adhesives prepared from same |
US6007565A (en) | 1997-09-05 | 1999-12-28 | United States Surgical | Absorbable block copolymers and surgical articles fabricated therefrom |
US6004573A (en) | 1997-10-03 | 1999-12-21 | Macromed, Inc. | Biodegradable low molecular weight triblock poly(lactide-co-glycolide) polyethylene glycol copolymers having reverse thermal gelation properties |
KR20010010393A (en) * | 1999-07-20 | 2001-02-05 | 김윤 | Biodegradable Block Copolymer of Hydrophobic and Hydrophilic Polymers, and Composition for Drug Delivery Comprising Same |
US6362308B1 (en) * | 2000-08-10 | 2002-03-26 | Alkermes Controlled Therapeutics Inc. Ii | Acid end group poly(d,l-lactide-co-glycolide) copolymers high glycolide content |
SE517421C2 (en) * | 2000-10-06 | 2002-06-04 | Bioglan Ab | New production of microparticles involves use of aqueous solution of purified amylopectin-based starch of reduced molecular weight |
-
2000
- 2000-08-10 US US09/635,677 patent/US6362308B1/en not_active Expired - Lifetime
-
2001
- 2001-08-02 WO PCT/US2001/024423 patent/WO2002014403A2/en active Application Filing
- 2001-08-02 AU AU2001281045A patent/AU2001281045A1/en not_active Abandoned
-
2002
- 2002-02-01 US US10/060,235 patent/US6703477B2/en not_active Expired - Fee Related
-
2003
- 2003-12-01 US US10/724,107 patent/US7074883B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6703477B2 (en) | 2004-03-09 |
WO2002014403A2 (en) | 2002-02-21 |
US7074883B2 (en) | 2006-07-11 |
US20040108609A1 (en) | 2004-06-10 |
WO2002014403A3 (en) | 2002-08-01 |
US20020086971A1 (en) | 2002-07-04 |
US6362308B1 (en) | 2002-03-26 |
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