Controlled-release nifedipine
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United States of America Patent
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Feb 16, 1999
Grant Date -
N/A
app pub date -
Oct 28, 1996
filing date -
Jan 31, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A nifedipine formulation for oral administration is described that provides controlled, constant release of the pharmaceutical for about twenty four hours after a short delay following oral administration. There is also provided a method for preparing a controlled release formulation of nifedipine, which method includes coating pellets with multiple nifedipine-containing layers, along with an outer controlled release coating comprised of a water permeable polymer and lubricant/glidant. The pellets are then cured at an elevated temperature over several days. A method of using the formulations of the present invention for the treatment of patients is also described.
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