DE3769707D1 - Therapeutisches system mit geregelter wirkstoffabgabe. - Google Patents

Therapeutisches system mit geregelter wirkstoffabgabe.

Info

Publication number
DE3769707D1
DE3769707D1 DE8787830223T DE3769707T DE3769707D1 DE 3769707 D1 DE3769707 D1 DE 3769707D1 DE 8787830223 T DE8787830223 T DE 8787830223T DE 3769707 T DE3769707 T DE 3769707T DE 3769707 D1 DE3769707 D1 DE 3769707D1
Authority
DE
Germany
Prior art keywords
active substances
therapeutic system
regulated delivery
regulated
delivery
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.)
Revoked
Application number
DE8787830223T
Other languages
English (en)
Inventor
Manna Aldo La
Paolo Colombo
Andrea Gazzaniga
Giancarlo Santus
Ubaldo Conte
Maria Edvige Sangalli
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.)
Recordati SA
Consiglio Nazionale delle Richerche CNR
Original Assignee
Recordati SA
Consiglio Nazionale delle Richerche CNR
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
Priority claimed from IT8620803A external-priority patent/IT1213080B/it
Priority claimed from IT8720708A external-priority patent/IT1215527B/it
Application filed by Recordati SA, Consiglio Nazionale delle Richerche CNR filed Critical Recordati SA
Application granted granted Critical
Publication of DE3769707D1 publication Critical patent/DE3769707D1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • 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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
DE8787830223T 1986-06-17 1987-06-15 Therapeutisches system mit geregelter wirkstoffabgabe. Revoked DE3769707D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8620803A IT1213080B (it) 1986-06-17 1986-06-17 Sistemi terapeutico per la cessione controllata di farmaci.
IT8720708A IT1215527B (it) 1987-05-29 1987-05-29 Sistema terapeutico per la cessione controllata di farmaci.

Publications (1)

Publication Number Publication Date
DE3769707D1 true DE3769707D1 (de) 1991-06-06

Family

ID=26327627

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787830223T Revoked DE3769707D1 (de) 1986-06-17 1987-06-15 Therapeutisches system mit geregelter wirkstoffabgabe.

Country Status (3)

Country Link
EP (1) EP0250374B1 (de)
DE (1) DE3769707D1 (de)
ES (1) ES2022454B3 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL92966A (en) * 1989-01-12 1995-07-31 Pfizer Hydrogel-operated release devices
US5108756A (en) * 1989-01-12 1992-04-28 Pfizer Inc. Dispensing devices powered by lyotropic liquid crystals
US5030452A (en) * 1989-01-12 1991-07-09 Pfizer Inc. Dispensing devices powered by lyotropic liquid crystals
DD295760A5 (de) * 1989-01-31 1991-11-14 Martin-Luther-Universitaet Halle Wittenberg,De Arzneistoffreigabesystem mit kotrollierter wirkstoffreisetzung
NO301520B1 (no) * 1989-01-31 1997-11-10 Int Pharma Agentur Fremgangsmåte for fremstilling av et system for regulert frigjöring av aktive stoffer
ATE79029T1 (de) * 1989-02-11 1992-08-15 Bayer Ag Arzneimittel mit kontrollierter wirkstoffabgabe.
IT1229856B (it) * 1989-04-20 1991-09-13 Recordati Chem Pharm Compresse a rilascio controllato contenenti flavossato.
EP0408496A3 (en) * 1989-07-12 1992-07-01 Ciba-Geigy Ag Solid dosage form for pharmaceutical substances
US5527545A (en) * 1989-09-18 1996-06-18 Recordati S.A. Chemical And Pharmaceutical Company Liquid-suspension controlled-release pharmaceutical composition
IT1241417B (it) * 1990-03-06 1994-01-14 Vectorpharma Int Composizioni terapeutiche a rilascio controllato di farmaci supportatisu polimeri reticolati e rivestiti con film polimerici,e loro processodi preparazione
IT1250654B (it) * 1991-07-08 1995-04-21 Farcon Ag Metodo per la preparazione di forme farmaceutiche orali a rilascio prolungato contenenti sostanze attive a solubilita' dipendente dal valore di ph.
CA2141459A1 (en) * 1992-07-31 1994-02-17 Richard Yu Controlled release implants
JP3720386B2 (ja) * 1993-12-27 2005-11-24 住友製薬株式会社 薬物放出制御製剤
EP0807433A4 (de) * 1994-12-27 2005-12-28 Akzo Nobel Nv Zubereitung mit verzögerter freisetzung
US5840332A (en) * 1996-01-18 1998-11-24 Perio Products Ltd. Gastrointestinal drug delivery system
WO1998024412A2 (en) * 1996-12-05 1998-06-11 The Board Of Trustees Of The University Of Illinois Compounds useful against diseases of the colon and methods for orally administering same
CN1251035A (zh) * 1997-03-25 2000-04-19 武田药品工业株式会社 胃肠粘膜粘附性药物组合物
US6419960B1 (en) 1998-12-17 2002-07-16 Euro-Celtique S.A. Controlled release formulations having rapid onset and rapid decline of effective plasma drug concentrations
US6632451B2 (en) 1999-06-04 2003-10-14 Dexcel Pharma Technologies Ltd. Delayed total release two pulse gastrointestinal drug delivery system
CA2936741C (en) 2014-10-31 2018-11-06 Purdue Pharma Methods and compositions particularly for treatment of attention deficit disorder
EP3823600A1 (de) 2018-07-21 2021-05-26 Sushma Paul BERLIA Formulierung mit kontrollierter freisetzung mit flavoxat
US10722473B2 (en) 2018-11-19 2020-07-28 Purdue Pharma L.P. Methods and compositions particularly for treatment of attention deficit disorder
WO2023089553A1 (en) 2021-11-19 2023-05-25 Berlia Sushma Paul Controlled release formulations of flavoxate and process for preparation thereof
CN114133595B (zh) * 2021-12-06 2023-06-02 广东华美众源生物科技有限公司 一种pH温度双重敏感纳米水凝胶的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247066A (en) * 1962-09-12 1966-04-19 Parke Davis & Co Controlled release dosage form containing water-swellable beadlet
JPS5867616A (ja) * 1981-10-15 1983-04-22 Tanabe Seiyaku Co Ltd 腸溶性マイクロカプセル
IT1176853B (it) * 1984-10-02 1987-08-18 Eurand Spa Procedimento per ottenere una formulazione a rilascio controllato di componenti solubili in acqua

Also Published As

Publication number Publication date
EP0250374A1 (de) 1987-12-23
EP0250374B1 (de) 1991-05-02
ES2022454B3 (es) 1991-12-01

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation