USP/EP Metformin hydrochloride CAS 1115-70-4 Metformin HCl

Metformin hydrochloride More Info

Metformin hydrochloride is an oral antihyperglycemic agent commonly used in the management of type 2 diabetes mellitus. It belongs to the biguanide class of medications and is one of the most widely prescribed diabetes medications worldwide.

Mechanism of Action

Metformin primarily lowers blood glucose levels through several mechanisms:
Decreased Hepatic Glucose Production: It inhibits gluconeogenesis in the liver, leading to reduced glucose output.
Increased Insulin Sensitivity: Metformin enhances insulin sensitivity in peripheral tissues, particularly muscle, promoting greater glucose uptake and utilization.
Decreased Intestinal Absorption of Glucose: It slows the absorption of glucose from the gastrointestinal tract.
Activation of AMP-Activated Protein Kinase (AMPK): Metformin activates AMPK, which plays a crucial role in energy balance and glucose metabolism. This activation leads to further reductions in hepatic glucose production and increases in fatty acid oxidation.
Additionally, metformin inhibits mitochondrial complex I, which contributes to its effects on energy metabolism and glucose regulation.

Applications

Type 2 Diabetes Mellitus: It is often the first-line treatment for managing blood sugar levels in patients with this condition.
Polycystic Ovary Syndrome (PCOS): Metformin is sometimes used off-label to help manage insulin resistance associated with PCOS.
Weight Management: It may aid in weight loss or weight maintenance in overweight patients with type 2 diabetes.

Routes of Administration

Metformin is administered orally, available in various formulations:
Immediate-release tablets: Typically taken two to three times daily.
Extended-release tablets: Taken once daily with meals to minimize gastrointestinal side effects.