二、控释制剂（controlled-release preparations）：指口服后在规定释放介质中，按要求缓慢地恒速释放药物的制剂，与相应普通制剂比较，给药频率至少减少，且能显著增加患者的顺应...
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Early in the 1970s, the slow-release and controlled-release preparation and the corresponding materials had been researched.
在上世纪70年代，国外就开始了缓控释制剂及材料的研究开发。
RESULTS Hydroxypropyl cellulose is extensively used in tablets, capsules, mucous membrane adhesion preparation, sustained or controlled release preparation, and film coating, etc.
结果羟丙基纤维素在片剂、 胶囊剂、黏膜黏附制剂、缓控释制剂等多种制剂以及薄膜包衣方面均有良好应用。
Conclusions Dihydropyridine calcium antagonist is promising, and the sustained release preparation or controlled release preparation would be more and more frequently used.
结论钙拮抗药应用趋势是二氢吡啶类药物前景看好，缓、控释制剂应用将更普遍。
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