FORMULATION DEVELOPMENT AND IN VITRO EVALUATION OF SUSTAINED RELEASE MATRIX TABLETS OF BOSENTAN BY USING SYNTHETIC POLYMERS
Keywords:
Bosentan monohydrate, Wet granulation method, Sustained Release Matrix, Hydroxy Propyl methyl Cellulose (HPMC)Abstract
Objective: Bosentan is an endothelin receptor antagonist (ERA) indicated for the treatment of Pulmonary arterial hypertension (PAH). The aim of the present study involves the development of sustained release matrix tablets of bosentan in order to release the drug in sustained and predictable manner.
Methods: Bosentan SR Matrix tablets were prepared by Wet granulation method. The tablets were evaluated for Hardness, Thickness, Friability and Drug content and were subjected to a 12 hours in vitro drug release studies.
Results: The amount of Bosentan released from the tablet formulations at different time intervals was estimated using a UV Spectroscopy method. Among all the formulations are prepared by using different polymers like HPMC K 4 M, HPMC K15 M at different ratios.
Conclusion: We Can Conclude that Among the Ten formulations, F-2 formulation containing drug to HPMC K 4 M in ratio 1:0.5 is optimized based on its ability to sustain drug release till 12 hours of dissolution study, The results of the study clearly demonstrated that HPMC matrix tablet formulation is an effective and promising drug delivery system for once daily administration of Bosentan.
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