MX2013013809A - Dispositivos expandibles con revestimiento de una composicion de paclitaxel. - Google Patents

Dispositivos expandibles con revestimiento de una composicion de paclitaxel.

Info

Publication number
MX2013013809A
MX2013013809A MX2013013809A MX2013013809A MX2013013809A MX 2013013809 A MX2013013809 A MX 2013013809A MX 2013013809 A MX2013013809 A MX 2013013809A MX 2013013809 A MX2013013809 A MX 2013013809A MX 2013013809 A MX2013013809 A MX 2013013809A
Authority
MX
Mexico
Prior art keywords
utilized
compounds
agents
expandable devices
devices coated
Prior art date
Application number
MX2013013809A
Other languages
English (en)
Inventor
Jonathon Z Zhao
Original Assignee
Cordis Corp
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
Application filed by Cordis Corp filed Critical Cordis Corp
Publication of MX2013013809A publication Critical patent/MX2013013809A/es

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials 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
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/16Biologically active materials, e.g. therapeutic substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/337Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/08Materials for coatings
    • A61L29/085Macromolecular materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/143Stabilizers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/16Biologically active materials, e.g. therapeutic substances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials 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
    • A61L31/08Materials for coatings
    • A61L31/10Macromolecular materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L31/00Materials 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
    • A61L31/14Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/143Stabilizers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2300/00Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/416Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Child & Adolescent Psychology (AREA)
  • Urology & Nephrology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Materials For Medical Uses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

Los dispositivos médicos pueden usarse para la administración local o regional de un agente terapéutico; estos agentes o compuestos terapéuticos pueden reducir la reacción de un organismo biológico ante la introducción del dispositivo médico en el organismo; además, estos fármacos, agentes y/o compuestos terapéuticos pueden usarse para promover la curación, que incluye la prevención de la trombosis; los fármacos, agentes y/o compuestos también pueden usarse para tratar trastornos específicos, que incluyen restenosis, placa vulnerable y aterosclerosís en pacientes con diabetes tipo 2.
MX2013013809A 2011-05-25 2012-05-14 Dispositivos expandibles con revestimiento de una composicion de paclitaxel. MX2013013809A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/115,378 US20120302954A1 (en) 2011-05-25 2011-05-25 Expandable devices coated with a paclitaxel composition
PCT/US2012/037784 WO2012162010A1 (en) 2011-05-25 2012-05-14 Expandable devices coated with a paclitaxel composition

Publications (1)

Publication Number Publication Date
MX2013013809A true MX2013013809A (es) 2013-12-16

Family

ID=46147088

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013013809A MX2013013809A (es) 2011-05-25 2012-05-14 Dispositivos expandibles con revestimiento de una composicion de paclitaxel.

Country Status (12)

Country Link
US (1) US20120302954A1 (es)
EP (1) EP2714115A1 (es)
JP (1) JP2014523267A (es)
KR (1) KR20140033157A (es)
CN (1) CN103561791B (es)
AU (1) AU2012259187A1 (es)
BR (1) BR112013030194A2 (es)
CA (1) CA2837048A1 (es)
IL (1) IL229171A0 (es)
MX (1) MX2013013809A (es)
RU (1) RU2013157577A (es)
WO (1) WO2012162010A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10881839B2 (en) 2012-10-26 2021-01-05 Urotronic, Inc. Drug-coated balloon catheters for body lumens
WO2014066085A1 (en) 2012-10-26 2014-05-01 Lixiao Wang Drug coated balloon catheters for nonvascular strictures
US11938287B2 (en) 2012-10-26 2024-03-26 Urotronic, Inc. Drug-coated balloon catheters for body lumens
US10898700B2 (en) 2012-10-26 2021-01-26 Urotronic, Inc. Balloon catheters for body lumens
US10850076B2 (en) 2012-10-26 2020-12-01 Urotronic, Inc. Balloon catheters for body lumens
WO2020172560A1 (en) 2019-02-22 2020-08-27 Urotronic, Inc. Drug-coated balloon catheters for body lumens
US10806830B2 (en) 2012-10-26 2020-10-20 Urotronic, Inc. Drug-coated balloon catheters for body lumens
US11504450B2 (en) 2012-10-26 2022-11-22 Urotronic, Inc. Drug-coated balloon catheters for body lumens
US20140255451A1 (en) * 2013-03-07 2014-09-11 Abbott Cardiovascular Systems Inc. Implantable Medical Device Comprising A Macrocyclic Triene Lactone Drug And Minimal Antioxidant Stabilizer And Method Of Fabrication
JP6498663B2 (ja) * 2014-04-01 2019-04-10 テルモ株式会社 バルーンコーティング方法
WO2016123051A1 (en) * 2015-01-26 2016-08-04 Mercator Medsystems, Inc. Methods and systems for inhibiting vascular inflammation
US11904072B2 (en) 2015-04-24 2024-02-20 Urotronic, Inc. Drug coated balloon catheters for nonvascular strictures
US10888640B2 (en) 2015-04-24 2021-01-12 Urotronic, Inc. Drug coated balloon catheters for nonvascular strictures
EP3629774A4 (en) 2017-05-26 2021-03-03 Mercator Medsystems, Inc. COMBINATION THERAPY FOR TREATMENT OF RESTENOSIS
EP3765122A4 (en) 2018-03-14 2021-12-15 Mercator Medsystems, Inc. MEDICAL INSTRUMENT AND MEDICAL PROCEDURE FOR LOCALIZED ACTIVE SUBSTANCE RELEASE
CN110292701B (zh) * 2019-06-27 2021-11-16 山东瑞安泰医疗技术有限公司 一种药物洗脱球囊导管及其制备方法
CN110917410B (zh) * 2019-11-14 2020-11-24 浙江大学 一种基于双层异相结构的心血管支架涂层及其制备方法
CN113041404B (zh) * 2021-03-19 2022-04-05 北京化工大学 一种基于疏水改性多孔淀粉的具有超声成像能力的医用导管的制备方法及其产品
WO2023054762A1 (ko) * 2021-09-30 2023-04-06 경상국립대학교병원 생체 흡수성 혈관 스캐폴드과 약물 용출성 스텐트 삽입 후 발생한 관상동맥 재협착증의 치료 방법
CN114870096B (zh) * 2022-07-08 2022-11-04 上海申淇医疗科技有限公司 球囊导管涂层及其制备方法、球囊导管
CN115350338A (zh) * 2022-08-22 2022-11-18 万瑞飞鸿(北京)医疗器材有限公司 一种药物复合涂层、血管支架及其制备方法

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA737247B (en) 1972-09-29 1975-04-30 Ayerst Mckenna & Harrison Rapamycin and process of preparation
FR2601676B1 (fr) 1986-07-17 1988-09-23 Rhone Poulenc Sante Procede de preparation du taxol et du desacetyl-10 taxol
FR2601675B1 (fr) 1986-07-17 1988-09-23 Rhone Poulenc Sante Derives du taxol, leur preparation et les compositions pharmaceutiques qui les contiennent
US4942184A (en) 1988-03-07 1990-07-17 The United States Of America As Represented By The Department Of Health And Human Services Water soluble, antineoplastic derivatives of taxol
US5278324A (en) 1990-08-28 1994-01-11 Virginia Tech Intellectual Properties, Inc. Water soluble derivatives of taxol
US5059699A (en) 1990-08-28 1991-10-22 Virginia Tech Intellectual Properties, Inc. Water soluble derivatives of taxol
TW197439B (es) 1991-04-04 1993-01-01 Ueno Pharmaceutics Applic Res Co Ltd
CA2071160A1 (en) 1991-07-31 1993-02-01 Vittorio Farina Asymmetric synthesis of taxol side chain
US5350866A (en) 1991-09-23 1994-09-27 Bristol-Myers Squibb Company 10-desacetoxytaxol derivatives
US5283253A (en) 1991-09-23 1994-02-01 Florida State University Furyl or thienyl carbonyl substituted taxanes and pharmaceutical compositions containing them
WO1993010076A1 (en) 1991-11-22 1993-05-27 The University Of Mississippi Synthesis and optical resolution of the taxol side chain and related compounds
US5272171A (en) 1992-02-13 1993-12-21 Bristol-Myers Squibb Company Phosphonooxy and carbonate derivatives of taxol
US5200534A (en) 1992-03-13 1993-04-06 University Of Florida Process for the preparation of taxol and 10-deacetyltaxol
US5440056A (en) 1992-04-17 1995-08-08 Abbott Laboratories 9-deoxotaxane compounds
EP0642586A4 (en) 1992-05-21 1995-11-29 Penn State Res Found CULTURAL -i (TAXUS) FABRIC AS A SOURCE OF TAXOL, RELATED TAXANS AND OTHER NEW ANTI-TUMOR / ANTI-VIRAL SUBSTANCES (01/20/94).
AU4406793A (en) 1992-06-04 1993-12-30 Clover Consolidated, Limited Water-soluble polymeric carriers for drug delivery
US5248796A (en) 1992-06-18 1993-09-28 Bristol-Myers Squibb Company Taxol derivatives
GB9213077D0 (en) 1992-06-19 1992-08-05 Erba Carlo Spa Polymerbound taxol derivatives
US5274137A (en) 1992-06-23 1993-12-28 Nicolaou K C Intermediates for preparation of taxols
US5294637A (en) 1992-07-01 1994-03-15 Bristol-Myers Squibb Company Fluoro taxols
US5254580A (en) 1993-01-19 1993-10-19 Bristol-Myers Squibb Company 7,8-cyclopropataxanes
US5202448A (en) 1992-08-14 1993-04-13 Napro Biotherapeutics, Inc. Processes of converting taxanes into baccatin III
WO1994005282A1 (en) 1992-09-04 1994-03-17 The Scripps Research Institute Water soluble taxol derivatives
CA2100808A1 (en) 1992-10-01 1994-04-02 Vittorio Farina Deoxy paclitaxels
FR2696461B1 (fr) 1992-10-05 1994-11-10 Rhone Poulenc Rorer Sa Nouveaux dérivés d'analogues du taxol, leur préparation et les compositions qui les contiennent.
FR2696463B1 (fr) 1992-10-05 1994-11-25 Rhone Poulenc Rorer Sa Procédé d'obtention de la désacétyl-10 baccatine III.
FR2696462B1 (fr) 1992-10-05 1994-11-25 Rhone Poulenc Rorer Sa Procédé d'obtention de la désacétyl-10 baccatine III.
FR2696464B1 (fr) 1992-10-05 1994-11-10 Rhone Poulenc Rorer Sa Nouveau procédé d'estérification de la baccatine III et de la désacétyl-10 baccatine III.
US5411984A (en) 1992-10-16 1995-05-02 Virginia Tech Intellectual Properties, Inc. Water soluble analogs and prodrugs of taxol
US5380751A (en) 1992-12-04 1995-01-10 Bristol-Myers Squibb Company 6,7-modified paclitaxels
US5279949A (en) 1992-12-07 1994-01-18 Board Of Trustees Operating Michigan State University Process for the isolation and purification of taxol and taxanes from Taxus spp
WO1994020089A1 (en) 1993-03-09 1994-09-15 Enzon, Inc. Taxol-based compositions with enhanced bioactivity
US5412092A (en) 1993-04-23 1995-05-02 Bristol-Myers Squibb Company N-substituted 2-azetidinones
US5395850A (en) 1994-03-10 1995-03-07 Bristol-Myers Squibb Company 6,7-epoxy paclitaxels
EP1173245B1 (en) * 1999-05-03 2004-09-01 Battelle Memorial Institute Compositions for aerosolization and inhalation
AU7709901A (en) * 2000-07-24 2002-02-05 Upjohn Co Self-emulsifying drug delivery systems for extremely water-insoluble, lipophilicdrugs
US6908622B2 (en) * 2001-09-24 2005-06-21 Boston Scientific Scimed, Inc. Optimized dosing for drug coated stents
AU2003247671B2 (en) * 2002-07-15 2008-02-14 Alcon, Inc. Bioerodible film for ophthalmic drug delivery
US8003122B2 (en) * 2004-03-31 2011-08-23 Cordis Corporation Device for local and/or regional delivery employing liquid formulations of therapeutic agents
US20070128242A1 (en) * 2005-12-01 2007-06-07 Zhao Jonathan Z Polymeric compositions for controlled release or delivery of pharmacologically active agents
CN1799650B (zh) * 2005-12-30 2010-07-14 李文涛 生物可降解载药物高分子材料支架的制备方法
US20080057103A1 (en) * 2006-08-21 2008-03-06 Wouter Roorda Methods of using medical devices for controlled drug release
CN101264347A (zh) * 2007-11-27 2008-09-17 天津百畅医疗器械科技有限公司 缓解血管再狭窄而涂敷在球囊导管气囊表面的药物涂层
US8420110B2 (en) * 2008-03-31 2013-04-16 Cordis Corporation Drug coated expandable devices
US8409601B2 (en) * 2008-03-31 2013-04-02 Cordis Corporation Rapamycin coated expandable devices
CN102883753B (zh) * 2010-03-25 2015-04-15 路通医疗股份有限公司 用于医疗设备的释药涂层

Also Published As

Publication number Publication date
CA2837048A1 (en) 2012-11-29
CN103561791B (zh) 2016-03-23
KR20140033157A (ko) 2014-03-17
IL229171A0 (en) 2013-12-31
JP2014523267A (ja) 2014-09-11
US20120302954A1 (en) 2012-11-29
CN103561791A (zh) 2014-02-05
BR112013030194A2 (pt) 2017-06-20
WO2012162010A1 (en) 2012-11-29
EP2714115A1 (en) 2014-04-09
AU2012259187A1 (en) 2013-11-28
RU2013157577A (ru) 2015-06-27

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