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1. WO1996038130 - OSMOTIC DEVICE WITH DELAYED ACTIVATION OF DRUG DELIVERY AND COMPLETE DRUG RELEASE

Publication Number WO/1996/038130
Publication Date 05.12.1996
International Application No. PCT/US1996/007933
International Filing Date 29.05.1996
Chapter 2 Demand Filed 23.12.1996
IPC
A61K 9/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
A61K 9/48 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
CPC
A61K 9/0004
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0002Galenical forms characterised by the drug release technique; Application systems commanded by energy
0004Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
A61K 9/4808
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
4808characterised by the form of the capsule or the structure of the filling; Capsules containing small tablets; Capsules with outer layer for immediate drug release
Applicants
  • ALZA CORPORATION [US]/[US] (AllExceptUS)
  • DONG, Liang, C. [CN]/[US] (UsOnly)
  • WONG, Patrick, S.-L. [US]/[US] (UsOnly)
  • YUM, Si-Hong [US]/[US] (UsOnly)
  • HAMEL, Lawrence, G. [US]/[US] (UsOnly)
  • DEALEY, Michael, H. [US]/[US] (UsOnly)
  • POLLOCK, Crystal [US]/[US] (UsOnly)
Inventors
  • DONG, Liang, C.
  • WONG, Patrick, S.-L.
  • YUM, Si-Hong
  • HAMEL, Lawrence, G.
  • DEALEY, Michael, H.
  • POLLOCK, Crystal
Agents
  • DILLAHUNTY, Mary, Ann
Priority Data
08/459,38702.06.1995US
60/015,56718.04.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OSMOTIC DEVICE WITH DELAYED ACTIVATION OF DRUG DELIVERY AND COMPLETE DRUG RELEASE
(FR) DISPOSITIF OSMOTIQUE AVEC ACTIVATION RETARDEE DE L'APPORT D'UN MEDICAMENT ET LIBERATION COMPLETE DU MEDICAMENT
Abstract
(EN)
The present invention is directed to a fluid-imbibing drug delivery device which is useful for the initial delayed delivery of an active agent formulation to a fluid environment of use, the initial delay period to startup or activation of the device being of a predetermined length of time. The delivery of the agent formulation from the dispensing device is continued until essentially all of the active agent formulation is delivered as a result of the expansion of an expansion agent in the active agent delivery chamber.
(FR)
Cette invention se rapporte à un dispositif d'apport de médicament avec imbibition de fluide, qui sert à amener avec un retard initial une formulation d'un agent actif dans un milieu fluide d'utilisation, cette période de retard initial avant le démarrage ou l'activation du dispositif étant d'une durée prédéterminée. L'apport de la formulation de l'agent actif à partir du dispositif distributeur est prolongé jusqu'à ce que pratiquement toute la formulation de l'agent actif soit distribuée à la suite de l'expansion d'un agent d'expansion dans la chambre d'apport de l'agent actif.
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