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Research Journal of Pharmacy and Technology
Year : 2017, Volume : 10, Issue : 4
First page : ( 1149) Last page : ( 1154)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2017.00207.4

Application of Validated HPTLC Method for Dissolution Study of FDC Tablets Containing Telmisartan and Hydrochlorothiazide

Khan Hamid1,3,*, Ali Mushir1,3, Ahuja Alka1,3, Ali Javed1,3, Ahmad Sayeed2

1Associate Professor, JK College of Pharmacy, Bilaspur, Chhattisgarh India-495001

3Department of Pharmaceutics, Faculty of Pharmacy, Hamdard University, New Delhi, India-110062

2Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Hamdard University, New Delhi-110062, India

*Corresponding Author E-mail: khanhamid770@gmail.com

Online published on 17 July, 2017.

Abstract

A simple, selective, precise and HPTLC method for simultaneous determination of telmisartan and hydrochlorothiazide in the bulk drugs and in their fixed dose combination tablets (FDC) was developed and validated. The method was further applied in the dissolution study of formulated and marketed tablets containing these two drugs. The method employed HPTLC aluminium plates precoated with silica gel 60 F254 as the stationary phase. The solvent system consisted of toluene-ethyl acetate-methanol-glacial acetic acid, 6: 3: 1: 0.5 (v/v). The detection was performed at 272 nm. The RF values were 0.70 ± 2 for telmisartan and 0.44 ± 2 for hydrochlorothiazide. The linear relationships were obtained between peak area and amount of drugs in the range of 1–1000 ng spot−1 with correlation coefficient of 0.9992 for telmisartan and 0.9994 for hydrochlorothiazide. The method was validated for precision, robustness and recovery. The limits of detection and quantification were 15.54 and 48.44 ng spot−1 for telmisartan and 10.22 and 35.68 ng spot−1 for hydrochlorothiazide, respectively. Invitro drug release from prepared tablets showed better drug release when compared with marketed tablets.

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Keywords

Telmisartan, Hydrochlorothiazide, HPTLC, Dissolution study.

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