The relative bioavailabilities of the cefaclor sustained release capsules prepared by both uncoated and enteric coated micro granules and the conventional cefaclor capsules were studied.

• 缓释胶囊的体外释放试验以及健康志愿者体内的药动学证明,其维持有效血药浓度的时间为普通胶囊的1。