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HPTLC-Densitometric Estimation of Anti-hypertensive Drug Combination Azilsartan Medoxomil and Cilnidipine in Combined Dosage Form

HPTLC-Densitometric Estimation of Anti-hypertensive Drug Combination Azilsartan Medoxomil and... Abstract A combination of Azilsartan Medoxomil and Cilnidipine is prescribed in the treatment of Hypertension. The present work represents an accurate and precise high-performance thin layer chromatographic method for the estimation of Azilsartan Medoxomil (AZL) and Cilnidipine (CLN) in combined tablet dosage form. Pre-coated silica gel- G60 F254 aluminum sheet (100 × 100 mm, 0.2 mm layer thickness) were used as stationary phase and Ethyl Acetate: Toluene: Glacial Acetic Acid (5: 4.9: 0.1 %v/v/v) in the mixture was used as mobile phase. The method was linear in the concentration range of 200 - 2000 ng/band for AZL and 50 -500 ng/band for CLN with a correlation coefficient (r2) of 0.996 for AZL and 0.999 for CLN. The proposed method was validated with respect to linearity, accuracy, precision, and robustness as per ICH Q2 (R1) guideline. A forced degradation study was performed to assess the stability indicating the nature of the method. All the degradant peaks were well resolved from the peak of the drug without any interference. The method was successfully applied for the analysis of AZL and CLN in combined tablet formulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Analytical Chemistry Letters Taylor & Francis

HPTLC-Densitometric Estimation of Anti-hypertensive Drug Combination Azilsartan Medoxomil and Cilnidipine in Combined Dosage Form

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Publisher
Taylor & Francis
Copyright
© 2023 Har Krishan Bhalla & Sons
ISSN
2230-7532
eISSN
2229-7928
DOI
10.1080/22297928.2023.2195862
Publisher site
See Article on Publisher Site

Abstract

Abstract A combination of Azilsartan Medoxomil and Cilnidipine is prescribed in the treatment of Hypertension. The present work represents an accurate and precise high-performance thin layer chromatographic method for the estimation of Azilsartan Medoxomil (AZL) and Cilnidipine (CLN) in combined tablet dosage form. Pre-coated silica gel- G60 F254 aluminum sheet (100 × 100 mm, 0.2 mm layer thickness) were used as stationary phase and Ethyl Acetate: Toluene: Glacial Acetic Acid (5: 4.9: 0.1 %v/v/v) in the mixture was used as mobile phase. The method was linear in the concentration range of 200 - 2000 ng/band for AZL and 50 -500 ng/band for CLN with a correlation coefficient (r2) of 0.996 for AZL and 0.999 for CLN. The proposed method was validated with respect to linearity, accuracy, precision, and robustness as per ICH Q2 (R1) guideline. A forced degradation study was performed to assess the stability indicating the nature of the method. All the degradant peaks were well resolved from the peak of the drug without any interference. The method was successfully applied for the analysis of AZL and CLN in combined tablet formulation.

Journal

Analytical Chemistry LettersTaylor & Francis

Published: Jan 2, 2023

Keywords: Azilsartan Medoxomil; Cilnidipine; Validation; High-Performance Thin Layer Chromatography; Anti-hypertensive combination

References