Metformin: Mechanism of Action and Therapeutic Effects
May 15, 2022
Source: Cainiu Health
Dr. Jiang Weimin
Introduction
Metformin is a commonly used biguanide antidiabetic drug in clinical practice. Its primary mechanisms and effects are as follows:
Blood glucose–lowering effect: Metformin primarily lowers blood glucose by promoting glucose uptake in adipose tissue, reducing intestinal glucose absorption, inhibiting hepatic gluconeogenesis, decreasing hepatic glucose output, and suppressing glucagon secretion.
Metformin is a commonly prescribed antidiabetic medication in daily clinical practice, widely used for glycemic control in patients with diabetes. However, some individuals may not fully understand its pharmacological effects and therapeutic benefits. So, what are the actions and benefits of metformin?
Actions and Benefits of Metformin
Metformin is a clinically established biguanide antidiabetic agent. Its primary mechanisms and therapeutic effects include:
Blood Glucose Reduction: Metformin lowers blood glucose primarily by enhancing glucose uptake in adipose tissue, reducing intestinal glucose absorption, inhibiting hepatic gluconeogenesis, decreasing hepatic glucose output, and suppressing glucagon secretion. It can be administered as monotherapy or in combination with other antidiabetic agents. A key advantage is its significant reduction of fasting plasma glucose levels in diabetic patients, while exerting minimal effect on blood glucose in healthy individuals.
Weight Reduction in Obese Diabetic Patients: Clinically, metformin is frequently recommended as first-line therapy for overweight or obese patients with type 2 diabetes to achieve glycemic control. Its adverse effects are generally mild, predominantly gastrointestinal in nature. The most serious potential adverse effect is lactic acidosis; therefore, biguanides—including metformin—are contraindicated in patients with renal impairment.
Regardless of the medication taken, it should always be administered strictly according to a physician’s prescription to minimize the risk of adverse effects. We hope this information has been helpful to you!
