Development of Gastro Retentive Drug Delivery System of Cephalexin by using Factorial Design

Authors

  • B. Prakash Rao Department of Pharmaceutics, Visveswarapura Institute of Pharmaceutical Sciences, Bangalore, India
  • Neelima Ashok Kottan Department of Pharmaceutics, Visveswarapura Institute of Pharmaceutical Sciences, Bangalore, India
  • V S Snehith Department of Industrial Pharmacy, Acharya and B.M Reddy college of pharmacy, Bangalore, India
  • C Ramesh Department of Pharmaceutics, Visveswarapura Institute of Pharmaceutical Sciences, Bangalore, India

Keywords:

Floating drug delivery systems (FDDS), 23 factorial design, cephalexin (CFL), Fourier Transform Infrared Spectroscopy (FT-IR) and Scanning electron microscopy (SEM)

Abstract

The objective of this research work was to formulate and optimize the floating drug delivery system containing cephalexin using 23 factorial design. Floating tablets were prepared by direct compression method incorporating HPMC K4M, xanthan gum, guar gum, sodium bicarbonate and tartaric acid as gas generating agent. The influence of independent variables like, polymer: polymer ratio, polymer type and tartaric acid on floating lag time and cephalexin release profile were studied. The diffusion exponent (n) of Krosmeyer Peppas for optimized formulation was found to be 0.635 which indicates the mechanism of drug release was anomalous transport. Floating lag time of optimized formulation was 1.50 min and remained buoyant for 24 hrs. Optimized formulation was checked for stability at 40ºC / 75% RH which was found to be stable. Scanning electron microscopy study revealed gel formation. FT-IR studies revealed that there was no chemical interaction between cephalexin and other excipients.

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Published

2009-03-20

How to Cite

1.
Prakash Rao B, Ashok Kottan N, Snehith VS, Ramesh C. Development of Gastro Retentive Drug Delivery System of Cephalexin by using Factorial Design. Ars Pharm [Internet]. 2009 Mar. 20 [cited 2025 Apr. 2];50(1):8-24. Available from: https://revistaseug.ugr.es/index.php/ars/article/view/4880

Issue

Vol. 50 No. 1 (2009)

Section

Original Articles

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