Tirzepatide: A Novel Glucose-Dependent Insulinotropic Polypeptide/Glucagon-Like Peptide 1 Receptor Agonist for the Treatment of Type 2 Diabetes: The First Twincretin.

Tirzepatide is a dual-action glucose-dependent insulinotropic polypeptide/glucagon-like peptide 1 (GLP-1) receptor agonist and the first drug in a new class known as twincretins. It is similar to GLP-1 receptor agonists but provides a synergistic enhancement of the incretin effect to control blood glucose levels and reduce weight. Across the SURPASS research program trials, tirzepatide lowered A1C by 1.7-2.4% from baseline. The proportion of patients using tirzepatide who achieved an A1C <7% ranged from 91 to 97%. Patients in the treatment groups averaged a weight loss of 5.44-11.34 kg (12-25 lb). Across all trials, patients on tirzepatide 15 mg lost 8.8-12.9 kg (19.4-28.44 lb) or 9.17-13.7% body weight. In the SURMOUNT-1 trial, maximum weight loss was 23.6 kg (52 lb) or 22.5% body weight. Tirzepatide is a potent new weapon in the arsenal against diabetes.