Rate controlled release of a pharmaceutical agent in a biodegradable device

摘要

Chemical erosion controlled release drug delivery systems are provided that allow controlled release of sustained concentrations of therapeutic agents within a treated area for a prolonged period of time. The favorable solubility characteristics of the chemical erosion controlled release drug delivery systems are controlled through the hydrophobicity and load level of pharmaceutically active agent or drug. Such controlled solubility characteristics allow for manipulation of the drug release rates depending on the particular therapeutic use and the particular needs of the patient.