Floating Drug Delivery System- A Review

Rajesh Asija, Manish Kumar Sharma*, Avinash Gupta, Deepak Sharma
Maharishi Arvind Institute of Pharmacy, Mansarover, Jaipur(Raj.), India-302020

A B S T R A C T
Formulation of floating drug delivery system (FDDS) is a topic of current interest in pharmaceutical product development. (FDDS) have a bulk density less than gastric fluids and so remain buoyant in the stomach without affecting the gastric emptying rate for a prolonged period of time. Controlled release floating drug delivery system is a promising delivery system for a drug candidate having limited absorption window sparingly soluble and insoluble drugs, drugs those locally release in stomach and shows degradability in colon or poor colonic absorption. In this review various techniques used in floating dosage form along with its mechanism, types and applications are discussed.
Keywords: Floating, Gastric Emptying, Buoyant