Formulation and evaluation sustained release mucoadhesive gastroretentive pantoprazole sodium sesquihydrate tablets for anti–ulcer

Objective: The objective of this research work is to develop and evaluate the mucoadhesive gastroretentive tablets of an anti – ulcer drug for sustain release. Materials and Methods: Mucoadhesive tablets were prepared by direct compression method using Hydroxy propyl methyl cellulose K4M, Carbopol 940 NF and Guar gum in the various drug – polymer ratios. The prepared tablets were evaluated for their pre and post compression parameters. In this study the optimized formulation was obtained within the specified limits. Results: The final optimized formulation was showed mucoadhesion time 12 h, mucoadhesive strength of tablets were ready with HPMC K4M, Carbopol 940 NF and gum were found to be 45 g and the extreme proportion of drug release was obtained 97.11% at the completion of 12 h. The drug release mechanism for optimized formulations of pantoprazole mucoadhesive sustain release tablets was observed to be zero order kinetic model. Conclusion: The formulation of hydroxy propyl methyl cellulose showed excellent mucoadhesive ability and a suitable drug release pattern. Keywords: Pantoprazole sodium sesquihydrate, Gastroretentive, mucoadhesive polymers