PREPARATION AND CHARACTERIZATION OF ANTIHYPERTENSIVE DRUG MICROSPHERE FOR PULSATILE DRUG DELIVERY SYSTEM

摘要

Present invention relates to Nifedipine polymeric microspheres for drug delivery system, comprising an ester polymer, a polyacrylic ester and Nifedipine having a diameter ranging from 175 to 280 µm. More particularly, the invention also relates to a process for preparation of Nifedipine polymeric microspheres.