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Published on:November 2021
Indian Journal of Pharmaceutical Education and Research, 2021; 55(4):966-978
Original Article | doi:10.5530/ijper.55.4.197

Application of Experiential Design for Framing Gastroretentive Microsponges of Glipizide: Screening of Critical Variables by Plackett-Burman Design and Optimization by Box-Behnken Design


Authors and affiliation (s):

Meenakshi Bhavesh Patel1,*, Farhatjahan Shaikh2, Vandana B. Patel2, Naazneen Surti2

1Krishna School of Pharmacy & Research, Drs. Kiran & Pallavi Patel Global University (KPGU), Krishna Edu Campus, Varnama, Vadodara, Gujarat, INDIA.

2Babaria Institute of Pharmacy, BITS Edu Campus, Varnama, Vadodara, Affiliated to Gujarat Technological University, Ahmedabad, Gujarat, INDIA.

Abstract:

Introduction: Microsponges provides a proficient drug delivery system for specific delivery in the upper gastrointestinal tract with high drug loading capability. But the formulation is affected by numerous process and design related factors. The intention of the current research work was to formulate and optimize the floating gastroretentive microsponges of glipizide, an antidiabetic drug, with minimum number of experiments, by applying an appropriate experimental design. Methods: The decisive factors affecting formulation were screened by Plackett-Burman design and the final optimization were performed by applying Box-Behnken design. In Plackett-Burman design, Pareto ranking analyses indicated that polymer concentration, stirring speed and temperature significantly affected the formulation of microsponges. The influence of these independent variables was checked on the entrapment efficiency, buoyancy and cumulative drug release (12hr) of the formulation by Box-Behnken design. Results: The results of Box-Behnken design showed that after applying the desirability criteria and looking into overlay plots, formulation GBB-8 with medium drug- polymer ratio and maximum level of the other two variables was found to be optimum with desirability near 1. The formulation gave entrapment efficiency as 90.81%, buoyancy as 92.3% and CDR12 as 92.3%. Radiographic studies conducted on albino rabbits, indicated the presence of the microsponges in the stomach for 12hr. Conclusion: It could be concluded that application of experimental design is helpful tool for the development of floating microsponges of glipizide. The prepared formulation can offer the sustained release of the drug at its site of absorption which may provide the better control of the diabetes due to less fluctuation in plasma drug concentration.

Key words: Glipizide, Microsponges, Plackett-Burman design, Box-Behnken design, Antidiabetic.

 




 

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The Official Journal of Association of Pharmaceutical Teachers of India (APTI)
(Registered under Registration of Societies Act XXI of 1860 No. 122 of 1966-1967, Lucknow)

Indian Journal of Pharmaceutical Education and Research (IJPER) [ISSN-0019-5464] is the official journal of Association of Pharmaceutical Teachers of India (APTI) and is being published since 1967.

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