DESIGN, FORMULATION AND IN VITRO EVALUATION OF TELMISARTAN SUSTAINED RELEASE TABLETS

Journal Title: Mintage journal of pharmaceutical and medical sciences - Year 2018, Vol 7, Issue 6

Abstract

Objective: The purpose of present research work is to develop the sustained release formulation for Telmisartan using 32 factorial design. Telmisartan an Antihypertensive agent, nonpeptide angiotensin-II receptor (type AT1) antagonist and BCS class-II agent. Methods: Sustained Release tablet formulations of Telmisartan were prepared using different quantities of HPMCK100M and Xanthan Gum in combinations by direct compression technique. The concentration of Polymers, HPMCK100M and Xanthan gum required to achieve the drug release was selected as independent variables, X1 and X2 respectively whereas, time required for 10% of drug release (t10%), 50% (t50%), 75% (t75%) and 90% (t90%) were selected as dependent variables. Nine formulations were prepared and are evaluated for various pharmacopoeial tests. Results: The results reveals that all formulations were found to be with in the pharmacopoeial limits and In vitro drug release profiles of all formulations were fitted in to various Kinetic models. The statistical parameters like intercept, slope & correlation coefficient were calculated. Polynomial equations were developed for dependent variables. Validity of developed polynomial equations were checked by designing 2 check point formulations (C1, C2). Conclusion: According to SUPAC guidelines formulation (F5) containing combination of 15% HPMCK100M and 15% Xanthan gum, is the most identical formulation (similarity factor f2= 90.863, dissimilarity factor f1= 1.665 & No significant difference, t= 0.03379) to marketed product (TELVAS). Best Formulation F5 follows First order, Higuchi’s kinetics, and the mechanism of drug release was found to be Non-Fickian Diffusion Anomalous Transport. (n= 0.828).

Authors and Affiliations

Raghavendra Kumar Gunda et al. , Prasada Rao Manchineni

Keywords

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  • EP ID EP537021
  • DOI -
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How To Cite

Raghavendra Kumar Gunda et al. , Prasada Rao Manchineni (2018). DESIGN, FORMULATION AND IN VITRO EVALUATION OF TELMISARTAN SUSTAINED RELEASE TABLETS. Mintage journal of pharmaceutical and medical sciences, 7(6), 22-27. https://europub.co.uk/articles/-A-537021