Metformin is a biguanide antihyperglycemic agent and first-line pharmacotherapy used in the management of type II diabetes.
Metformin is considered an antihyperglycemic drug because it lowers blood glucose concentrations in type II diabetes without causing hypoglycemia. It is commonly described as an "insulin sensitizer", leading to a decrease in insulin resistance and a clinically significant reduction of plasma fasting insulin levels. Another well-known benefit of this drug is modest weight loss, making it an effective choice for obese patients type II diabetes.
Metformin was first approved in Canada in 1972, and received subsequent FDA approval in the US in 1995.
Metformin immediate-release formulations
Metformin is indicated as an adjunct to diet and exercise to improve glycemic control in adults and pediatric patients ≥10 years old with type 2 diabetes mellitus.
Metformin extended-release tablet (XR)
The extended-release formulation of metformin is indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. Safety in children has not been determined to this date.
Metformin combination products
Metformin is a component of a variety of combination products with other anti-diabetic agents. It is indicated, along with diet and exercise, to improve glycemic control in adult patients with type 2 diabetes mellitus in combination with DPP-4 inhibitors (sitagliptin, linagliptin, alogliptin, or saxagliptin), in combination with SGLT2 inhibitors (canagliflozin, empagliflozin, ertugliflozin, or dapagliflozin), or in combination with pioglitazone.
Centre for Addiction and Mental Health, Toronto, Ontario, Canada
Omnia Ashraf Abd El Aziz Ahmed Kotb, Alexandria, Egypt
Faculty of Pharmacy, Cairo University, Cairo, Egypt
Kasr El Aini Hospital, Cairo, Egypt
Kasr El-Aini Hospital, Cairo, Egypt
Huashan Hospital, Fudan University, Shanghai, Shanghai, China
Department of Endocrinology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
ZHONGSHAN Hospital, Shanghai, Shanghai, China
Dept of Psychiatry, Aiims, Bhubaneswar, Bhubaneswar, Odisha, India
Bacha Khan Medical Complex Swabi, Swabi, Khyber Pukhtunkhwa, Pakistan
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