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The present work focused on developing and validating simple, precise, accurate, sensitive, and stability-indicating chromatographic methods for the simultaneous estimation of Tolperisone Hydrochloride and Diclofenac Sodium in combined pharmaceutical dosage forms. Although RP-HPLC and HPTLC methods had been reported for their assay, no stability-indicating methods were available in literature. Hence, methods were developed as per ICH guidelines to ensure reliability in quality control. The optimized RP-HPLC method employed a Kromasil C18 column with methanol, acetonitrile, and water (80:16:4,...

A simple, sensitive, and selective HPLC method was developed and validated for the simultaneous estimation of Amlodipine besylate (AML) and Indapamide (IND) in human plasma for application in pharmacokinetic, bioequivalence, and bioavailability studies. AML, a calcium channel blocker, and IND, a thiazide-like diuretic, are widely prescribed in combination for hypertension management. The method employed liquid-liquid extraction using diethyl ether and dichloromethane, followed by chromatographic separation on a C18 column with a methanol-octane sulfonic acid mobile phase (79:21 v/v) at a flow...