Conventional oral dosage forms provide a specific drug concentration in the systemic circulation without offering any control over the rate of drug delivery. Controlled-release drug delivery systems (CRDDS) provide drug release at a predetermined, predictable, and controlled rate. It was attempt to develop a gastro retentive drug delivery system of anti hypertensive drug using different polymers like that HPMCK4M, Xanthangum, PolyoxWSR303as matrixing agent, swelling agent, respectivel. A simplex lattice design was applied to combined effect of three formulation variables (ie, amount of...
Conventional oral dosage forms provide a specific drug concentration in the systemic circulation without offering any control over the rate of drug de...
