Sustained release capsule or tablet formulation comprising a pharmaceutically acceptable dihydropyridine
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United States of America Patent
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May 14, 1991
Issued Date -
N/A
app pub date -
Sep 30, 1988
filing date -
Feb 2, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sustained release capsule or tablet formulation suitable for once-daily administration comprises an adsorbate of a mixture of a pharmaceutically useful dihydropyridine and a polyvinylpyrrolidone having an average-molecular weight greater than 55,000 adsorbed on a cross-linked polyvinylpyrrolidone and blended with a polymer or mixture of polymers which gel in the presence of water, the amount of said polymer or polymers being effective to produce the desired sustained release effect.
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