Formulation of gastroretentive floating drug delivery system using hydrophilic polymers and its in vitro characterization
Braz. j. pharm. sci; 50 (2), 2014
The aim of the present research is to formulate and evaluate the gastroretentive floating drug delivery system of antihypertensive drug, propranolol HCl. Gastroretentive floating tablets (GRFT) were prepared by using a synthetic hydrophilic polymer polyethylene oxide of different grades such as PEO WSR N...