WO2002039948A3 - Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants - Google Patents
Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants Download PDFInfo
- Publication number
- WO2002039948A3 WO2002039948A3 PCT/IL2001/001050 IL0101050W WO0239948A3 WO 2002039948 A3 WO2002039948 A3 WO 2002039948A3 IL 0101050 W IL0101050 W IL 0101050W WO 0239948 A3 WO0239948 A3 WO 0239948A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cross
- hyaluronic acid
- gels
- linked hyaluronic
- cell culture
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/041—Mixtures of macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/26—Mixtures of macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/52—Hydrogels or hydrocolloids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L89/00—Compositions of proteins; Compositions of derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2399502A AU2399502A (en) | 2000-11-14 | 2001-11-13 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
AU2002223995A AU2002223995B2 (en) | 2000-11-14 | 2001-11-13 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
JP2002542323A JP2004535836A (en) | 2000-11-14 | 2001-11-13 | Crosslinked hyaluronic acid-laminin gels and their use in cell culture and medical implants |
EP01996348A EP1339349A4 (en) | 2000-11-14 | 2001-11-13 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
CA002428748A CA2428748A1 (en) | 2000-11-14 | 2001-11-13 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
IL155918A IL155918A0 (en) | 2000-11-14 | 2003-05-14 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
US10/669,476 US20050260753A1 (en) | 2000-11-14 | 2003-09-23 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
US11/223,465 US20060024373A1 (en) | 2000-11-14 | 2005-09-09 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24844700P | 2000-11-14 | 2000-11-14 | |
US60/248,447 | 2000-11-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US43766303A Continuation | 2000-11-14 | 2003-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002039948A2 WO2002039948A2 (en) | 2002-05-23 |
WO2002039948A3 true WO2002039948A3 (en) | 2002-08-15 |
Family
ID=22939170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IL2001/001050 WO2002039948A2 (en) | 2000-11-14 | 2001-11-13 | Cross-linked hyaluronic acid-laminin gels and use thereof in cell culture and medical implants |
Country Status (6)
Country | Link |
---|---|
US (2) | US20050260753A1 (en) |
EP (1) | EP1339349A4 (en) |
JP (1) | JP2004535836A (en) |
AU (2) | AU2002223995B2 (en) |
CA (1) | CA2428748A1 (en) |
WO (1) | WO2002039948A2 (en) |
Families Citing this family (42)
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EP0896825B1 (en) * | 1997-08-14 | 2002-07-17 | Sulzer Innotec Ag | Composition and device for in vivo cartilage repair comprising nanocapsules with osteoinductive and/or chondroinductive factors |
JP4489437B2 (en) | 2002-02-21 | 2010-06-23 | エンセル,インコーポレイテッド | Immobilized bioactive hydrogel matrix as a surface coating |
DE10223310A1 (en) * | 2002-05-24 | 2003-12-11 | Biotronik Mess & Therapieg | Process for coating implants with a polysaccharide layer |
US7622562B2 (en) | 2002-06-26 | 2009-11-24 | Zimmer Orthobiologics, Inc. | Rapid isolation of osteoinductive protein mixtures from mammalian bone tissue |
US8138265B2 (en) | 2003-01-10 | 2012-03-20 | The Cleveland Clinic Foundation | Hydroxyphenyl cross-linked macromolecular network and applications thereof |
US8137688B2 (en) | 2003-01-10 | 2012-03-20 | The Cleveland Clinic Foundation | Hydroxyphenyl cross-linked macromolecular network and applications thereof |
US7465766B2 (en) | 2004-01-08 | 2008-12-16 | The Cleveland Clinic Foundation | Hydroxyphenyl cross-linked macromolecular network and applications thereof |
JP2006527628A (en) * | 2003-06-16 | 2006-12-07 | ナンヤン・テクノロジカル・ユニバーシティー | Stent of polymer material and manufacturing method |
US8066973B2 (en) * | 2003-09-05 | 2011-11-29 | The Ohio State University Research Foundation | Nanoparticulate probe for in vivo monitoring of tissue oxygenation |
ATE515245T1 (en) | 2003-12-11 | 2011-07-15 | Isto Technologies Inc | PARTICLE CARTILAGE SYSTEM |
EP1750769B1 (en) * | 2004-05-20 | 2013-01-23 | Mentor Worldwide LLC | Methods for making injectable polymer hydrogels |
CA2572804C (en) * | 2004-07-09 | 2013-04-02 | The Cleveland Clinic Foundation | Hydroxyphenyl cross-linked macromolecular network and applications thereof |
AU2005286097A1 (en) * | 2004-09-21 | 2006-03-30 | Nvr Labs. Ltd. | Compositions and methods for stem cell expansion and differentiation |
WO2006091675A2 (en) * | 2005-02-23 | 2006-08-31 | Surmodics, Inc. | Implantable medical articles having laminin coatings and methods of use |
WO2007002664A2 (en) * | 2005-06-22 | 2007-01-04 | Massachusetts Institute Of Technology | Propagation of undifferentiated embryonic stem cells in hyaluronic acid hydrogel |
EP1916964A4 (en) | 2005-08-26 | 2015-11-04 | Zimmer Inc | Implants and methods for repair, replacement and treatment of joint disease |
EP1764117A1 (en) * | 2005-09-20 | 2007-03-21 | Zimmer GmbH | Implant for the repair of a cartilage defect and method for manufacturing the implant |
US20080097620A1 (en) * | 2006-05-26 | 2008-04-24 | Nanyang Technological University | Implantable article, method of forming same and method for reducing thrombogenicity |
EP2049159A4 (en) * | 2006-08-11 | 2011-08-17 | Univ Queensland | Scaffold treatment - device and method |
WO2008060249A1 (en) * | 2006-11-17 | 2008-05-22 | Agency For Science, Technology And Research | Porous polymeric material with cross-linkable wetting agent |
US8163549B2 (en) | 2006-12-20 | 2012-04-24 | Zimmer Orthobiologics, Inc. | Method of obtaining viable small tissue particles and use for tissue repair |
US20080154233A1 (en) * | 2006-12-20 | 2008-06-26 | Zimmer Orthobiologics, Inc. | Apparatus for delivering a biocompatible material to a surgical site and method of using same |
CA2684040C (en) | 2007-04-12 | 2016-12-06 | Isto Technologies, Inc. | Method of forming an implant using a mold that mimics the shape of the tissue defect site and implant formed therefrom |
PT103906A (en) * | 2007-12-20 | 2009-08-31 | Ass For The Advancement Of Tis | DYNAMIC SYSTEMS OF CELL CULTURE IN THREE-DIMENSIONAL SUPPORTS |
US9386990B2 (en) | 2008-03-19 | 2016-07-12 | University Of Florida Research Foundation, Inc. | Nerve repair with a hydrogel and adhesive |
WO2009135029A2 (en) | 2008-04-30 | 2009-11-05 | The Cleveland Clinic Foundation | Compositions and methods to treat urinary incontinence |
US9688956B2 (en) | 2008-06-05 | 2017-06-27 | National Cheng Kung University | Method for preserving proliferation and differentiation potential of mesenchymal stem cells |
US20090305415A1 (en) * | 2008-06-05 | 2009-12-10 | Huang Lynn L H | Method for preserving proliferation and differentiation potential of undifferentiated cells |
US10898620B2 (en) | 2008-06-20 | 2021-01-26 | Razmodics Llc | Composite stent having multi-axial flexibility and method of manufacture thereof |
US8206636B2 (en) | 2008-06-20 | 2012-06-26 | Amaranth Medical Pte. | Stent fabrication via tubular casting processes |
US8206635B2 (en) | 2008-06-20 | 2012-06-26 | Amaranth Medical Pte. | Stent fabrication via tubular casting processes |
US20120027858A1 (en) * | 2009-02-04 | 2012-02-02 | Massachusetts Institute Of Technology | Methods and Compositions for Managing Cancer Cell Growth |
WO2010107390A1 (en) | 2009-03-19 | 2010-09-23 | Agency For Science, Technology And Research | Forming copolymer from bicontinuous microemulsion comprising monomers of different hydrophilicity |
FR2948286B1 (en) * | 2009-07-27 | 2011-08-26 | Jean-Noel Thorel | INJECTABLE COMPOSITION COMPRISING A FILLING AGENT AND A FIBROBLAST GROWTH MEDIUM |
FR2954165B1 (en) * | 2009-12-18 | 2012-01-13 | Jean-Noel Thorel | INJECTABLE COMPOSITIONS FOR INTRA-ARTICULAR USE ASSOCIATING A VISCOSUPPLEMENTATION AGENT AND A FIBROBLAST GROWTH MEDIUM |
US8535706B2 (en) | 2010-01-11 | 2013-09-17 | Duquesne University Of The Holy Spirit | Bone implant |
KR101379380B1 (en) * | 2011-04-19 | 2014-04-02 | 주식회사 엠아이텍 | Drug Delivery Composition Comprising Biocompatible Crosslinked Hyaluronic Acid |
US20140178343A1 (en) | 2012-12-21 | 2014-06-26 | Jian Q. Yao | Supports and methods for promoting integration of cartilage tissue explants |
EP3165233B1 (en) * | 2015-08-28 | 2021-08-18 | Latvijas Universitate | Biomaterial for treatment of acute and chronic skin wounds |
CN109526207B (en) | 2017-03-14 | 2022-11-25 | 仰卧疗法有限公司 | Hydrogel patch |
KR20200030022A (en) * | 2018-09-11 | 2020-03-19 | 울산과학기술원 | Composition for for treating wound or scar comprising hydrogel patches |
CN114533959B (en) * | 2022-04-02 | 2022-12-09 | 山东隽秀生物科技股份有限公司 | Tendon repair material, preparation method and application in preparation of tendon repair product |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4971954A (en) * | 1988-11-23 | 1990-11-20 | University Of Medicine And Dentistry Of New Jersey | Collagen-based matrices ribose cross-linked |
US5128326A (en) * | 1984-12-06 | 1992-07-07 | Biomatrix, Inc. | Drug delivery systems based on hyaluronans derivatives thereof and their salts and methods of producing same |
US5703205A (en) * | 1991-01-25 | 1997-12-30 | Regents Of The University Of Minnesota | Laminin a chain polypeptides from the amino terminal golbular domain |
US5783691A (en) * | 1989-02-08 | 1998-07-21 | Biomatrix, Inc. | Crosslinked hyaluronate gels, their use and method for producing them |
WO1999058042A2 (en) * | 1998-05-14 | 1999-11-18 | Abraham Shahar | Specially devised neuronal implants for reconstruction of damaged central nervous system |
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MX163953B (en) * | 1984-03-27 | 1992-07-03 | Univ New Jersey Med | PROCEDURE FOR PREPARING A BIODEGRADABLE COLLAGEN MATRIX |
US4582865A (en) * | 1984-12-06 | 1986-04-15 | Biomatrix, Inc. | Cross-linked gels of hyaluronic acid and products containing such gels |
US4774093A (en) * | 1985-06-25 | 1988-09-27 | Fmc Corporation | Polysaccharide compositions, preparation and uses |
US5026381A (en) * | 1989-04-20 | 1991-06-25 | Colla-Tec, Incorporated | Multi-layered, semi-permeable conduit for nerve regeneration comprised of type 1 collagen, its method of manufacture and a method of nerve regeneration using said conduit |
US4963146A (en) * | 1989-04-20 | 1990-10-16 | Colla-Tec Incorporated | Multi-layered, semi-permeable conduit for nerve regeneration |
AU7213691A (en) * | 1991-02-18 | 1992-09-15 | Computer Cell Culture Center S.A. | Cell culture medium and method for preparing such medium |
IL110367A (en) * | 1994-07-19 | 2007-05-15 | Colbar Lifescience Ltd | Collagen-based matrix |
US5834029A (en) * | 1994-07-20 | 1998-11-10 | Cytotherapeutics, Inc. | Nerve guidance channel containing bioartificial three-dimensional hydrogel extracellular matrix derivatized with cell adhesive peptide fragment |
US5939323A (en) * | 1996-05-28 | 1999-08-17 | Brown University | Hyaluronan based biodegradable scaffolds for tissue repair |
US6156728A (en) * | 1996-11-01 | 2000-12-05 | Genentech, Inc. | Treatment of inner ear hair cells |
US6497887B1 (en) * | 2000-04-13 | 2002-12-24 | Color Access, Inc. | Membrane delivery system |
-
2001
- 2001-11-13 JP JP2002542323A patent/JP2004535836A/en active Pending
- 2001-11-13 AU AU2002223995A patent/AU2002223995B2/en not_active Ceased
- 2001-11-13 CA CA002428748A patent/CA2428748A1/en not_active Abandoned
- 2001-11-13 WO PCT/IL2001/001050 patent/WO2002039948A2/en active Application Filing
- 2001-11-13 AU AU2399502A patent/AU2399502A/en active Pending
- 2001-11-13 EP EP01996348A patent/EP1339349A4/en not_active Withdrawn
-
2003
- 2003-09-23 US US10/669,476 patent/US20050260753A1/en not_active Abandoned
-
2005
- 2005-09-09 US US11/223,465 patent/US20060024373A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5128326A (en) * | 1984-12-06 | 1992-07-07 | Biomatrix, Inc. | Drug delivery systems based on hyaluronans derivatives thereof and their salts and methods of producing same |
US4971954A (en) * | 1988-11-23 | 1990-11-20 | University Of Medicine And Dentistry Of New Jersey | Collagen-based matrices ribose cross-linked |
US5783691A (en) * | 1989-02-08 | 1998-07-21 | Biomatrix, Inc. | Crosslinked hyaluronate gels, their use and method for producing them |
US5703205A (en) * | 1991-01-25 | 1997-12-30 | Regents Of The University Of Minnesota | Laminin a chain polypeptides from the amino terminal golbular domain |
WO1999058042A2 (en) * | 1998-05-14 | 1999-11-18 | Abraham Shahar | Specially devised neuronal implants for reconstruction of damaged central nervous system |
Also Published As
Publication number | Publication date |
---|---|
EP1339349A4 (en) | 2007-07-04 |
US20060024373A1 (en) | 2006-02-02 |
EP1339349A2 (en) | 2003-09-03 |
JP2004535836A (en) | 2004-12-02 |
AU2399502A (en) | 2002-05-27 |
AU2002223995B2 (en) | 2006-05-11 |
US20050260753A1 (en) | 2005-11-24 |
WO2002039948A2 (en) | 2002-05-23 |
CA2428748A1 (en) | 2002-05-23 |
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