Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1998-03-30
1999-10-26
Azpuru, Carlos A.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
424425, 6048921, A61F 202, A61K 922
Patent
active
059723696
ABSTRACT:
A sustained release delivery system for delivering a beneficial agent is provided. The system includes a reservoir comprising the beneficial agent and a capillary channel in communication with the reservoir and the exterior of the system for delivering the beneficial agent from the system. The capillary channel has a cross-sectional area and a length selected to deliver the beneficial agent at a predetermined rate. The system may further include an outer surface that is impermeable and non-porous during delivery of the beneficial agent. The beneficial agent may be formulated in a glassy sugar matrix.
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Brown James E.
Davis Craig R.
Dionne Keith E.
Prestrelski Steven J.
Roorda Wouter E.
ALZA Corporation
Azpuru Carlos A.
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