A sustained-release preparation comprising a bioactive substance having an acidic group and a biodegradable polymer having improves the rate of incorporation of the bioactive substance, suppresses its leakage early after administration, and exhibits constantly suppressed release for an extended period of time.
一种由具有酸性基团的
生物活性物质和
生物可降解聚合物组成的缓释制剂,可提高
生物活性物质的结合率,抑制其在用药后早期的渗漏,并在较长的时间内表现出持续的释放抑制。