[转贴]缓释 .控释制剂
缓释制剂(sustained-release preparations) 用药后在较长时间内持续释放药物以达到长效作用的制剂；其药物释放主要是一级过程控释制剂(controlled-release preparations) 药物在预定的时间内自动以预定速度释放，使血药浓度长时间恒定维持在有效浓度范围的制剂；其药物释放主要是零级或接近零级过程。
缓释制剂的英文名：sustained-release preparations
控释制剂的英文名：controlled-released preparation
国外缓、控释制剂的英文名：extened-released preparation, prolonged action preparations, retard preparations, sustained-release preparations
美国药典将缓、控释制剂归入 modified-release preparations
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转自:丁香园
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