[Preparation of Shuxiong pulsatile controlled-release dropping pill].
Abstract OBJECTIVE: To prepare Shuxiong pulsatile controlled-release dropping pill and study the influencing factors in vitro. METHODS: Dropping pills with suitable size (10 – 15 mg) were coated with swelling layer containing croscarmellose sodium and controlled-release layer containing ethylcellulos aqueous dispersion respectively to prepare Shuxiong pulsatile controlled-release dropping pill. The effects of the materials of swelling layer, […]