IL160217A0 - Compositions and methods to prevent abuse of opioids - Google Patents

Compositions and methods to prevent abuse of opioids

Info

Publication number
IL160217A0
IL160217A0 IL16021702A IL16021702A IL160217A0 IL 160217 A0 IL160217 A0 IL 160217A0 IL 16021702 A IL16021702 A IL 16021702A IL 16021702 A IL16021702 A IL 16021702A IL 160217 A0 IL160217 A0 IL 160217A0
Authority
IL
Israel
Prior art keywords
opioids
compositions
methods
prevent abuse
abuse
Prior art date
Application number
IL16021702A
Other languages
English (en)
Original Assignee
Euro Celtique Sa
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 Euro Celtique Sa filed Critical Euro Celtique Sa
Publication of IL160217A0 publication Critical patent/IL160217A0/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5073Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
    • A61K9/5078Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings with drug-free core
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1617Organic compounds, e.g. phospholipids, fats
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1635Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1641Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647Polyesters, e.g. poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2013Organic compounds, e.g. phospholipids, fats
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/205Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/205Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/04Centrally acting analgesics, e.g. opioids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/36Opioid-abuse
IL16021702A 2001-08-06 2002-08-06 Compositions and methods to prevent abuse of opioids IL160217A0 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31053401P 2001-08-06 2001-08-06
US31051401P 2001-08-06 2001-08-06
US31053501P 2001-08-06 2001-08-06
PCT/US2002/024935 WO2003013476A1 (en) 2001-08-06 2002-08-06 Compositions and methods to prevent abuse of opioids

Publications (1)

Publication Number Publication Date
IL160217A0 true IL160217A0 (en) 2004-07-25

Family

ID=27405461

Family Applications (1)

Application Number Title Priority Date Filing Date
IL16021702A IL160217A0 (en) 2001-08-06 2002-08-06 Compositions and methods to prevent abuse of opioids

Country Status (10)

Country Link
EP (1) EP1414413A1 (hu)
JP (1) JP2005500364A (hu)
KR (1) KR20040025741A (hu)
BR (1) BR0212020A (hu)
CA (1) CA2455420A1 (hu)
DE (1) DE20220917U1 (hu)
HU (1) HUP0401344A2 (hu)
IL (1) IL160217A0 (hu)
MX (1) MXPA04001206A (hu)
WO (1) WO2003013476A1 (hu)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ299283B6 (cs) 1997-12-22 2008-06-04 Euro-Celtique, S. A. Léková forma pro perorální podání
US6375957B1 (en) 1997-12-22 2002-04-23 Euro-Celtique, S.A. Opioid agonist/opioid antagonist/acetaminophen combinations
JP4522652B2 (ja) 2001-05-11 2010-08-11 エンドー ファーマシューティカルズ, インコーポレイティド 乱用防止制御放出オピオイド投薬形態
EP1406630A1 (en) 2001-07-06 2004-04-14 Endo Pharmaceuticals Inc. Parenteral administration of 6-hydroxy-oxymorphone for use as an analgesic
US8329216B2 (en) 2001-07-06 2012-12-11 Endo Pharmaceuticals Inc. Oxymorphone controlled release formulations
US20030068276A1 (en) 2001-09-17 2003-04-10 Lyn Hughes Dosage forms
NZ535286A (en) 2002-04-05 2007-07-27 Euro Celtique Sa Matrix for sustained, invariant and independent release of active compounds
ATE419840T1 (de) 2002-04-09 2009-01-15 Flamel Tech Sa Orale wässrige suspension, mikrokapseln enthaltend, zur kontrollierten freisetzung von wirkstoffen
DE10250083A1 (de) * 2002-06-17 2003-12-24 Gruenenthal Gmbh Gegen Missbrauch gesicherte Darreichungsform
US7776314B2 (en) 2002-06-17 2010-08-17 Grunenthal Gmbh Abuse-proofed dosage system
EP2422772A3 (en) * 2002-09-20 2012-04-18 Alpharma, Inc. Sequestering subunit and related compositions and methods
DE10250084A1 (de) * 2002-10-25 2004-05-06 Grünenthal GmbH Gegen Missbrauch gesicherte Darreichungsform
EP2959893A1 (en) 2002-12-13 2015-12-30 DURECT Corporation Oral drug delivery system comprising high viscosity liquid carrier materials
EP1782834A3 (en) * 2003-03-13 2007-08-01 Controlled Chemicals, Inc. Oxycodone conjugates with lower abuse potential and extended duration of action
US8906413B2 (en) * 2003-05-12 2014-12-09 Supernus Pharmaceuticals, Inc. Drug formulations having reduced abuse potential
WO2004112756A1 (en) 2003-06-26 2004-12-29 Isa Odidi Proton pump-inhibitor-containing capsules which comprise subunits differently structured for a delayed release of the active ingredient
DE102004032051A1 (de) 2004-07-01 2006-01-19 Grünenthal GmbH Verfahren zur Herstellung einer gegen Missbrauch gesicherten, festen Darreichungsform
US20070048228A1 (en) 2003-08-06 2007-03-01 Elisabeth Arkenau-Maric Abuse-proofed dosage form
DE102005005446A1 (de) 2005-02-04 2006-08-10 Grünenthal GmbH Bruchfeste Darreichungsformen mit retardierter Freisetzung
DE10336400A1 (de) 2003-08-06 2005-03-24 Grünenthal GmbH Gegen Missbrauch gesicherte Darreichungsform
US20070183980A1 (en) * 2003-08-06 2007-08-09 Elisabeth Arkenau-Maric Dosage form that is safeguarded from abuse
DE10361596A1 (de) 2003-12-24 2005-09-29 Grünenthal GmbH Verfahren zur Herstellung einer gegen Missbrauch gesicherten Darreichungsform
US8075872B2 (en) 2003-08-06 2011-12-13 Gruenenthal Gmbh Abuse-proofed dosage form
EP1677768A4 (en) * 2003-10-03 2011-06-29 Elite Lab Inc PROLONGED RELEASE OPIOID FORMULATIONS AND METHOD OF USING THE FORMULATIONS
US20050163718A1 (en) * 2004-01-23 2005-07-28 Shugart Jack I. Injectable euthanasia compositions that include a taste aversive agent
GB0501638D0 (en) * 2005-01-28 2005-03-02 Euro Celtique Sa Particulates
DE102004019916A1 (de) * 2004-04-21 2005-11-17 Grünenthal GmbH Gegen Missbrauch gesichertes wirkstoffhaltiges Pflaster
EP1604666A1 (en) 2004-06-08 2005-12-14 Euro-Celtique S.A. Opioids for the treatment of the Chronic Obstructive Pulmonary Disease (COPD)
ITMI20041317A1 (it) * 2004-06-30 2004-09-30 Ibsa Inst Biochimique Sa Formulazioni farmaceutiche per la somministrazione sicura di farmaci utilizzati nel trattamento della tossicodipendenza e procedimento per il loro ottenimento
DE102004032049A1 (de) 2004-07-01 2006-01-19 Grünenthal GmbH Gegen Missbrauch gesicherte, orale Darreichungsform
US10624858B2 (en) 2004-08-23 2020-04-21 Intellipharmaceutics Corp Controlled release composition using transition coating, and method of preparing same
FR2878161B1 (fr) * 2004-11-23 2008-10-31 Flamel Technologies Sa Forme medicamenteuse orale, solide et concue pour eviter le mesusage
EA015615B1 (ru) * 2005-01-28 2011-10-31 Еуро-Селтик С.А. Устойчивые к спиртам лекарственные формы
DE102005005449A1 (de) 2005-02-04 2006-08-10 Grünenthal GmbH Verfahren zur Herstellung einer gegen Missbrauch gesicherten Darreichungsform
FR2889810A1 (fr) * 2005-05-24 2007-02-23 Flamel Technologies Sa Forme medicamenteuse orale, microparticulaire, anti-mesurage
EP1702558A1 (en) 2005-02-28 2006-09-20 Euro-Celtique S.A. Method and device for the assessment of bowel function
FR2892937B1 (fr) * 2005-11-10 2013-04-05 Flamel Tech Sa Forme pharmaceutique orale microparticulaire anti-mesusage
US10064828B1 (en) 2005-12-23 2018-09-04 Intellipharmaceutics Corp. Pulsed extended-pulsed and extended-pulsed pulsed drug delivery systems
US9561188B2 (en) 2006-04-03 2017-02-07 Intellipharmaceutics Corporation Controlled release delivery device comprising an organosol coat
US10960077B2 (en) 2006-05-12 2021-03-30 Intellipharmaceutics Corp. Abuse and alcohol resistant drug composition
US9023400B2 (en) 2006-05-24 2015-05-05 Flamel Technologies Prolonged-release multimicroparticulate oral pharmaceutical form
FR2901478B1 (fr) * 2006-05-24 2015-06-05 Flamel Tech Sa Forme pharmaceutique orale multimicroparticulaire a liberation prolongee
US20080069891A1 (en) * 2006-09-15 2008-03-20 Cima Labs, Inc. Abuse resistant drug formulation
SA07280459B1 (ar) 2006-08-25 2011-07-20 بيورديو فارما إل. بي. أشكال جرعة صيدلانية للتناول عن طريق الفم مقاومة للعبث تشتمل على مسكن شبه أفيوني
US8093261B2 (en) 2006-10-24 2012-01-10 The Johns Hopkins University Rapid release mini-tablets provide analgesia in laboratory animals
JP2011506318A (ja) * 2007-12-06 2011-03-03 デュレクト コーポレーション 経口医薬製剤
AU2008338207A1 (en) 2007-12-17 2009-06-25 Labopharm (Barbados) Limited Misuse preventative, controlled release formulation
CA2713128C (en) 2008-01-25 2016-04-05 Gruenenthal Gmbh Pharmaceutical dosage form
US9226907B2 (en) 2008-02-01 2016-01-05 Abbvie Inc. Extended release hydrocodone acetaminophen and related methods and uses thereof
WO2009135680A1 (en) 2008-05-09 2009-11-12 Grünenthal GmbH Process for the preparation of an intermediate powder formulation and a final solid dosage form under usage of a spray congealing step
US20100260844A1 (en) 2008-11-03 2010-10-14 Scicinski Jan J Oral pharmaceutical dosage forms
WO2010069050A1 (en) 2008-12-16 2010-06-24 Labopharm Inc. Misuse preventative, controlled release formulation
JP5886632B2 (ja) 2009-03-10 2016-03-16 ユーロ−セルティーク エス.エイ. オキシコドンおよびナロキソンを含む即時放出医薬組成物
CN102639118B (zh) 2009-07-22 2015-07-29 格吕伦塔尔有限公司 氧化稳定的抗干扰剂型
ES2534908T3 (es) 2009-07-22 2015-04-30 Grünenthal GmbH Forma de dosificación de liberación controlada extruida por fusión en caliente
MX2013002293A (es) 2010-09-02 2013-05-09 Gruenenthal Gmbh Forma de dosificacion resistente a alteracion que comprende un polimero anionico.
PL2611426T3 (pl) 2010-09-02 2014-09-30 Gruenenthal Gmbh Postać dawkowania zawierająca nieorganiczne sole, odporna na zgniatanie
MX2013009492A (es) * 2011-02-17 2014-07-30 Qrxpharma Ltd Tecnologia para prevenir el abuso de formas de dosificacion solidas.
RS56527B1 (sr) 2011-07-29 2018-02-28 Gruenenthal Gmbh Tableta za trenutno oslobađanje leka rezistentna na zloupotrebu
DK2736495T3 (da) 2011-07-29 2017-11-13 Gruenenthal Gmbh Misbrugsbestandig tablet som tilvejebringer øjeblikkelig frigivelse af lægemiddel
US20140341984A1 (en) * 2011-09-16 2014-11-20 Purdue Pharma L.P. Tamper resistant pharmaceutical formulations
FR2983409B1 (fr) * 2011-12-06 2013-12-27 Ethypharm Sa Comprime susceptible de lutter contre le detournement par voie injectable
GB201202433D0 (en) * 2012-02-13 2012-03-28 Diurnal Ltd Controlled drug release
EP2819656A1 (en) 2012-02-28 2015-01-07 Grünenthal GmbH Tamper-resistant dosage form comprising pharmacologically active compound and anionic polymer
PE20142320A1 (es) * 2012-03-02 2015-01-16 Rhodes Pharmaceuticals Lp Formulaciones de liberacion inmediata resistentes a la manipulacion
KR101701013B1 (ko) * 2012-03-02 2017-01-31 로도스 파머시티컬스 엘.피. 부정조작 방지 즉각 방출 제형
MX362357B (es) 2012-04-18 2019-01-14 Gruenenthal Gmbh Forma de dosificacion farmaceutica resistente a la adulteracion y resistente a la liberacion inmediata de la dosis.
US10064945B2 (en) 2012-05-11 2018-09-04 Gruenenthal Gmbh Thermoformed, tamper-resistant pharmaceutical dosage form containing zinc
BR112015000150A2 (pt) * 2012-07-06 2017-06-27 Egalet Ltd composições farmacêuticas dissuasoras de abuso de liberação controlada
JP6208261B2 (ja) 2013-02-05 2017-10-04 パーデュー、ファーマ、リミテッド、パートナーシップPurdue Pharma L.P. タンパリング抵抗性医薬製剤
US10420729B2 (en) 2013-03-15 2019-09-24 R.P. Scherer Technologies, Llc Abuse resistant capsule
US10751287B2 (en) * 2013-03-15 2020-08-25 Purdue Pharma L.P. Tamper resistant pharmaceutical formulations
JP2016515523A (ja) 2013-03-15 2016-05-30 デュレクト コーポレーション 溶解変動性を低減させるためのレオロジー改質剤を有する組成物
AU2014273226B2 (en) 2013-05-29 2019-06-27 Grunenthal Gmbh Tamper resistant dosage form with bimodal release profile
US10154966B2 (en) 2013-05-29 2018-12-18 Grünenthal GmbH Tamper-resistant dosage form containing one or more particles
JP6449871B2 (ja) 2013-07-12 2019-01-09 グリュネンタール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング エチレン−酢酸ビニルポリマーを含有する改変防止剤形
US10071089B2 (en) 2013-07-23 2018-09-11 Euro-Celtique S.A. Combination of oxycodone and naloxone for use in treating pain in patients suffering from pain and a disease resulting in intestinal dysbiosis and/or increasing the risk for intestinal bacterial translocation
BR112016010482B1 (pt) 2013-11-26 2022-11-16 Grünenthal GmbH Preparação de uma composição farmacêutica em pó por meio de criomoagem
WO2015082367A1 (en) * 2013-12-03 2015-06-11 F. Hoffmann-La Roche Ag Pharmaceutical composition
MX2016014738A (es) 2014-05-12 2017-03-06 Gruenenthal Gmbh Formulacion en capsula de liberacion inmediata resistente a alteraciones que comprende tapentadol.
CN106456550A (zh) 2014-05-26 2017-02-22 格吕伦塔尔有限公司 避免乙醇剂量倾泻的多颗粒
CA2983642A1 (en) 2015-04-24 2016-10-27 Grunenthal Gmbh Tamper-resistant dosage form with immediate release and resistance against solvent extraction
CA2998259A1 (en) 2015-09-10 2017-03-16 Grunenthal Gmbh Protecting oral overdose with abuse deterrent immediate release formulations
EP3473246A1 (en) 2017-10-19 2019-04-24 Capsugel Belgium NV Immediate release abuse deterrent formulations
MA55311A (fr) * 2019-03-11 2022-01-19 Nocion Therapeutics Inc Bloqueurs de canaux ioniques chargés et procédés d'utilisation
KR20230114813A (ko) 2022-01-25 2023-08-02 정광선 암염 좌욕기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5869097A (en) * 1992-11-02 1999-02-09 Alza Corporation Method of therapy comprising an osmotic caplet

Also Published As

Publication number Publication date
EP1414413A1 (en) 2004-05-06
CA2455420A1 (en) 2003-02-20
BR0212020A (pt) 2005-08-16
MXPA04001206A (es) 2004-07-08
WO2003013476B1 (en) 2003-07-03
DE20220917U1 (de) 2004-08-19
JP2005500364A (ja) 2005-01-06
HUP0401344A2 (hu) 2004-11-29
WO2003013476A1 (en) 2003-02-20
KR20040025741A (ko) 2004-03-25

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