Gastroretentive Solid Oral Dosage Forms with Swellable Hydrophilic Polymer

摘要

The disclosure provides multiparticulate systems that give release of active agents with a narrow window of absorption such that there is bioavailability to a patient. The disclosure provides a composition comprising microparticulates comprising a swellable hydrophilic polymer and an active agent, wherein the swellable hydrophilic polymer is substantially non-crosslinked intramolecularly, and the size of the microparticulates is about 500μm or less.