Abstract
Objective: In the present research work, fast dissolving tablets of Piroxicam were formulated by two different techniques i.e. direct compression method and sublimation method using different superdisintegrants.
 Methods: Twelve formulations were prepared (PXM1 to PXM12) in which first six formulation were prepared by direct compression technique and other six formulation were prepared by sublimation method by using camphor as a sublimating agent.
 Result and Discussion: All the formulations were subjected for precompression, post compression parameters, and shows all the data within the specific limits. Formulation PXM4 containing 5 % crospovidone showed 99.480 ± 0.291 % drug release in 20 min which was more than the drug release of rest of the formulations. The optimized formulation PXM4 was compared with the marketed formulation and it revealed that drug release of PXM4 was found to be 99.397 ± 0.751 % in 20 min, which was greater than the marketed formulation. Finally, results were statistically analysed by the application of one way ANOVA and t-test. The stability study of the optimized formulation PXM4 showed no significant changes in, drug content, disintegration time and in-vitro drug release.
 Conclusion: Piroxicam can be successfully prepared using direct compression technique and it will enhance the drug dissolution, which will further increase absorption and bioavailability of the drug.
 Keywords: Direct compression, fast dissolving tablets, sublimation, Piroxicam.
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