The present invention provides a combination product, which comprises immediate release pellet of phentermine and sustained-release pellet of topiramate, wherein the pellet of topiramate includes: a) a blank pellet core; b) an active drug layer that contains topiramate and is free of binding agent, the layer being located on surface of the blank pellet core; c) a sustained-release coating layer containing ethyl cellulose and PVP K30, the sustained-release coating layer being located on external of the active drug layer. The present invention further discloses a method for preparing the combination product.
本发明提供了一种组合产品,包括苯
丙胺的即时释放颗粒和
托吡酯的缓释颗粒,其中
托吡酯的颗粒包括:a)一个空白颗粒核心;b)一个活性药物层,含有
托吡酯且不含结合剂,该层位于空白颗粒核心表面;c)一个缓释涂层层,含有
乙基纤维素和PVP K30,该缓释涂层层位于活性药物层的外部。本发明还披露了一种制备该组合产品的方法。