Controlled release compositions for macrolide antimicrobial...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills

Reexamination Certificate

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Details

C424S464000, C424S480000, C514S027000, C514S028000, C514S029000, C514S030000

Reexamination Certificate

active

07037523

ABSTRACT:
The present invention provides a controlled release pharmaceutical composition of an acid labile, poorly soluble drug having pH dependent solubility profile in aqueous environment. In a preferred embodiment the drug is combined with a practically water insoluble polymer an optimizing agent and optional additives to produce a controlled release of therapeutic agent when compositions is exposed to aqueous environment.

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