EP0817619A4 - Novel "burst-free" sustained release poly-(lactide/glycolide) mi crospheres - Google Patents

Novel "burst-free" sustained release poly-(lactide/glycolide) mi crospheres

Info

Publication number
EP0817619A4
EP0817619A4 EP96944247A EP96944247A EP0817619A4 EP 0817619 A4 EP0817619 A4 EP 0817619A4 EP 96944247 A EP96944247 A EP 96944247A EP 96944247 A EP96944247 A EP 96944247A EP 0817619 A4 EP0817619 A4 EP 0817619A4
Authority
EP
European Patent Office
Prior art keywords
crospheres
glycolide
lactide
burst
novel
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
EP96944247A
Other languages
German (de)
French (fr)
Other versions
EP0817619A1 (en
Inventor
Ramasubbu Jeyanthi
Hamont John F Van
Phil Friden
Robert H Reid
F Donald Roberts
Charles E Mcqueen
Jean A Setterstrom
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.)
US Department of Army
Original Assignee
US Department of Army
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25744089&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0817619(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by US Department of Army filed Critical US Department of Army
Publication of EP0817619A1 publication Critical patent/EP0817619A1/en
Publication of EP0817619A4 publication Critical patent/EP0817619A4/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61K38/1703—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
    • A61K38/1709—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
    • 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)
    • 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
    • A61K9/1611—Inorganic compounds
    • 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
    • A61K9/1617—Organic compounds, e.g. phospholipids, fats
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
EP96944247A 1996-01-24 1996-11-18 Novel "burst-free" sustained release poly-(lactide/glycolide) mi crospheres Ceased EP0817619A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59097396A 1996-01-24 1996-01-24
US590973 1996-01-24
PCT/US1996/019440 WO1997026869A1 (en) 1996-01-24 1996-11-18 Novel 'burst-free' sustained release poly-(lactide/glycolide) microspheres
CNB961947683A CN100391445C (en) 1996-01-24 1996-11-18 Novel 'burst-free' sustained release poly-(lactide/glycolide) mi crospheres

Publications (2)

Publication Number Publication Date
EP0817619A1 EP0817619A1 (en) 1998-01-14
EP0817619A4 true EP0817619A4 (en) 1999-02-03

Family

ID=25744089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96944247A Ceased EP0817619A4 (en) 1996-01-24 1996-11-18 Novel "burst-free" sustained release poly-(lactide/glycolide) mi crospheres

Country Status (8)

Country Link
EP (1) EP0817619A4 (en)
JP (1) JPH11509862A (en)
CN (1) CN100391445C (en)
AP (1) AP665A (en)
AU (1) AU722884B2 (en)
BR (1) BR9607752B1 (en)
NZ (1) NZ325561A (en)
WO (1) WO1997026869A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7033608B1 (en) * 1995-05-22 2006-04-25 The United States Of America As Represented By The Secretary Of The Army “Burst-free” sustained release poly-(lactide/glycolide) microspheres
TW577759B (en) 1997-04-18 2004-03-01 Ipsen Pharma Biotech Sustained release compositions in the form of microcapsules or implants and the process for their preparation
CN1075945C (en) * 1998-02-26 2001-12-12 中国科学院化学研究所 High-polymer encapsulated insulin microsome and its preparation method and use
CN1073412C (en) * 1998-03-19 2001-10-24 中国科学院化学研究所 Method for prepn. of macromolecule microcapsule
US7217770B2 (en) * 2000-05-17 2007-05-15 Samyang Corporation Stable polymeric micelle-type drug composition and method for the preparation thereof
US6726918B1 (en) 2000-07-05 2004-04-27 Oculex Pharmaceuticals, Inc. Methods for treating inflammation-mediated conditions of the eye
DE60114229T2 (en) 2000-11-29 2006-07-06 Allergan, Inc., Irvine PREVENTING TRANSPLANT DISCHARGE IN THE EYE
US20040137059A1 (en) * 2003-01-09 2004-07-15 Thierry Nivaggioli Biodegradable ocular implant
US20050048099A1 (en) 2003-01-09 2005-03-03 Allergan, Inc. Ocular implant made by a double extrusion process
US7993634B2 (en) 2004-04-30 2011-08-09 Allergan, Inc. Oil-in-oil emulsified polymeric implants containing a hypotensive lipid and related methods
US7799336B2 (en) 2004-04-30 2010-09-21 Allergan, Inc. Hypotensive lipid-containing biodegradable intraocular implants and related methods
US9498457B2 (en) 2004-04-30 2016-11-22 Allergan, Inc. Hypotensive prostamide-containing biodegradable intraocular implants and related implants
US20050244469A1 (en) 2004-04-30 2005-11-03 Allergan, Inc. Extended therapeutic effect ocular implant treatments
US8722097B2 (en) 2004-04-30 2014-05-13 Allergan, Inc. Oil-in-water method for making polymeric implants containing a hypotensive lipid
GB0517674D0 (en) * 2005-08-31 2005-10-05 Astrazeneca Ab Formulation
GB0517673D0 (en) * 2005-08-31 2005-10-05 Astrazeneca Ab Formulation
CN101007169B (en) * 2006-01-23 2011-05-25 珠海市嘉族生物科技有限公司 A microcapsule of egg yolk immunoglobulin, preparing process and use thereof
KR100816065B1 (en) 2006-11-27 2008-03-24 동국제약 주식회사 Preparation method of sustained-release microcapsules having good initial burst inhibiting property and the microcapsules thereby
US8956641B2 (en) * 2008-04-18 2015-02-17 Warsaw Orthopedic, Inc. Alpha adrenergic receptor agonists for treatment of inflammatory diseases
US8889173B2 (en) * 2008-04-18 2014-11-18 Warsaw Orthopedic, Inc. Alpha adrenergic receptor agonists for treatment of pain and/or inflammation
CN101612111B (en) * 2008-06-24 2011-11-23 上海医药工业研究院 Sustained-release microsphere of nomegestrol acetate of analogs thereof and preparation method and application thereof
KR20100037389A (en) * 2008-10-01 2010-04-09 연세대학교 산학협력단 Solid microstructure with multi-controlled release and process for preparing the same
USRE49251E1 (en) 2010-01-04 2022-10-18 Mapi Pharma Ltd. Depot systems comprising glatiramer or pharmacologically acceptable salt thereof
CN102357080B (en) * 2011-11-04 2014-07-16 无锡中科光远生物材料有限公司 Intelligent multifunctional hollow microsphere capable of quickly releasing medicine in acid environment and preparation method for intelligent multifunctional hollow microsphere
US10675376B2 (en) * 2012-05-24 2020-06-09 Ethicon Llc Mechanically strong absorbable polymeric blend compositions of precisely controllable absorption rates, processing methods, and products therefrom
HUE036141T2 (en) * 2013-06-20 2018-06-28 Pharmathen Sa Preparation of polylactide-polyglycolide microparticles having a sigmoidal release profile
US20170022256A1 (en) * 2015-07-23 2017-01-26 General Biologicals Corporation Anti-fungal and anti-bacterial peptide and therapeutic method using same
CN110382052A (en) 2017-03-26 2019-10-25 Mapi医药公司 The copaxone store system of multiple sclerosis for therapeutic advance type form
CN113384536B (en) * 2020-03-14 2024-04-02 鲁南制药集团股份有限公司 Sustained release galanthamine pamoate particles for injection and preparation method thereof
CN115025290A (en) * 2022-06-15 2022-09-09 浙江天妍生物科技有限公司 Degradable microsphere and production process thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052510A2 (en) * 1980-11-18 1982-05-26 Syntex (U.S.A.) Inc. Microencapsulation of water soluble polypeptides
DE4005415A1 (en) * 1990-02-21 1991-08-22 Boehringer Ingelheim Kg Polyester based on hydroxy-carboxylic acids, esp. alpha-hydroxy acids - obtd. by reaction of acids or oligomers in condensn. catalyst, esp. phosgene, carbonyl:di:imidazole, di:cyclo:hexyl:carbo:di:imide
EP0463194A1 (en) * 1990-06-23 1992-01-02 Boehringer Ingelheim Kg Process for the preparation of poly(D,L-lactide) and its use as a drug carrier
DE4235312A1 (en) * 1991-10-23 1993-04-29 Boehringer Ingelheim Kg Semi-solid mixts. of D- or L-lactic acid oligomer or polymer - used e.g. as resorbable implants, or bone waxes
US5410016A (en) * 1990-10-15 1995-04-25 Board Of Regents, The University Of Texas System Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers
DE19513659A1 (en) * 1995-03-10 1996-09-12 Boehringer Mannheim Gmbh Microparticle formulations of aggregation-sensitive polypeptides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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US4622244A (en) * 1979-09-04 1986-11-11 The Washington University Process for preparation of microcapsules
US4623588A (en) * 1984-02-06 1986-11-18 Biotek, Inc. Controlled release composite core coated microparticles
DK0724431T3 (en) * 1993-10-22 2003-01-06 Genentech Inc Methods and compositions for microencapsulating adjuvants
GB9412273D0 (en) * 1994-06-18 1994-08-10 Univ Nottingham Administration means

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052510A2 (en) * 1980-11-18 1982-05-26 Syntex (U.S.A.) Inc. Microencapsulation of water soluble polypeptides
DE4005415A1 (en) * 1990-02-21 1991-08-22 Boehringer Ingelheim Kg Polyester based on hydroxy-carboxylic acids, esp. alpha-hydroxy acids - obtd. by reaction of acids or oligomers in condensn. catalyst, esp. phosgene, carbonyl:di:imidazole, di:cyclo:hexyl:carbo:di:imide
EP0463194A1 (en) * 1990-06-23 1992-01-02 Boehringer Ingelheim Kg Process for the preparation of poly(D,L-lactide) and its use as a drug carrier
US5410016A (en) * 1990-10-15 1995-04-25 Board Of Regents, The University Of Texas System Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers
DE4235312A1 (en) * 1991-10-23 1993-04-29 Boehringer Ingelheim Kg Semi-solid mixts. of D- or L-lactic acid oligomer or polymer - used e.g. as resorbable implants, or bone waxes
DE19513659A1 (en) * 1995-03-10 1996-09-12 Boehringer Mannheim Gmbh Microparticle formulations of aggregation-sensitive polypeptides

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
R. JEYANTHI ET AL.: "NOVEL BURST FREE PROGRAMMABLE BIODEGRADABLE MICROSPHERES FOR CONTROLLED RELEASE OF POLYPEPTIDES", PROC. INT. SYMP. CONTROL. RELEASE BIOACT. MATER. (1996), July 1996 (1996-07-01), KYOTO, pages 351 - 352, XP002086331 *
See also references of WO9726869A1 *

Also Published As

Publication number Publication date
BR9607752B1 (en) 2009-05-05
CN1188408A (en) 1998-07-22
AP665A (en) 1998-08-19
AP9701088A0 (en) 1997-10-31
CN100391445C (en) 2008-06-04
BR9607752A (en) 1999-11-30
WO1997026869A1 (en) 1997-07-31
JPH11509862A (en) 1999-08-31
AU1410497A (en) 1997-08-20
EP0817619A1 (en) 1998-01-14
AU722884B2 (en) 2000-08-10
NZ325561A (en) 1999-06-29

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