CYP2C9 and type 2 diabetes mellitus: The commonly prescribed drugs for hypertension (Propranolol, Metoprolol, Telmisartan, Losartan) and T2DM (Glimepiride, and Pioglitazone) shares the same drug metabolizing enzymes (CYP1A2, CYP3A4, CYP2C9, and CYP2D6).