RESEARCH PAPER
Development and Validation of RP-HPLC method for Simultaneous Estimation of Esomeprazole and Domperidone in Capsule Formulation
 
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1
Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, India
2
Department of Pharmaceutics, Dadasaheb Balpande College of Pharmacy, India
3
Department of Pharmaceutical Chemistry, Dadasaheb Balpande College of Pharmacy, India
CORRESPONDING AUTHOR
PRAFULLA M SABALE   

Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, 440033, Nagpur, India
Publish date: 2019-02-07
 
Eurasian J Anal Chem 2018;13(6):em
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ABSTRACT
Background:
The literature has indicated that there is no “analytically significant” method ever developed by the chemists across the globe for the simultaneous determination of esomeprazole (ESO) and domperidone (DOM) in a capsule formulation. Hence, there is a need for the development of novel, simple, sensitive, rapid, accurate and reproducible analytical methods for the routine estimation of ESO and DOM in capsule dosage form.

Material and methods:
The present novel developed analytical method utilizing the phosphate buffer (pH 8.5):acetonitrile (50:50) on a Lichrospher® 100 C18 column by using a flow rate of 1 mL/min where an excellent resolution with sharp peaks of ESO and DOM present in capsule formulation.

Results:
The retention peaks were observed at 4.386 min and 7.688 min, respectively. The analytical method was validated in accordance with the ICH guidelines Q2A and Q2B where desired linearity, accuracy, precision, and robustness were observed. The system suitability parameters represented a very high reproducibility and better separation efficacy. In a modified stability study, the oxidative degradation was studied comprehensively where a mechanistic abstraction of the proton by the OH radical was predicted.

Conclusions:
The method can be conventionally used for quality control and routine analysis of drugs in pharmaceutical dosage forms in pharmaceutical industries and laboratories.

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