Gastroretentive system for oral administration comprises porous capsule containing swellable polymer, useful for active agent administration or volume reduction of stomach contents

摘要

A gastroretentive system for oral administration comprising a capsule which has a shell of material which expands and dissolves within a predetermined period and has a number of small pores of limited fluid permeability and contains a swellable granular polymer with a particle size which prevents passage through the pores, is new.