Method development for the determination of metformin in human plasma by capillary zone electrophoresis

Metformin is an oral antidiabetic drug from the biguanide class and it is the first-line drug chosen for the treatment of type 2 diabetes. This is a drug on the list of pharmaceutical substances required to report bioequivalence study data when registering the drug. Objectives: (1) To develope a capillary zone electrophoresis method for determining metformin hydrochloride in human plasma. (2) To validate the method.