The present invention relates to novel microparticles of biodegradable polymer encapsulating a water-soluble or water-insoluble biologically active substance, a method for preparing same and a burst free sustained release pharmaceutical formulation comprising those microparticles.
本发明涉及新型可
生物降解聚合物微粒,其中封装有
水溶性或不溶于
水的
生物活性物质;本发明还涉及制备方法以及包含这些微粒的无猝发缓释药物制剂。