Gastroretentive Drug Delivery System: A Review

Abstract

Gastroretentive drug delivery system is the drug delivery system in which drug remains for a long span. In this review, we have discussed about factors affecting gastric retention and effervescent and non-effervescent drug delivery systems with the diagram in detail. It also includes in vitro evaluation techniques for evaluation of the performance of gastroretentive systems. Detail about mucoadhesive formulations and their role in gastroretention is also being discussed in this review. This review gives a full summary on gastroretentive drug delivery systems.