Lilly Retatrutide Meets Key Primary, Secondary Endpoints

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Lilly says its triple agonist retatrutide met all key primary and secondary endpoints in the Phase 3 TRANSCEND T2D-1 trial that evaluated its efficacy and safety in treating adults with type 2 diabetes. A company statement says retatrutide is a first-in-class GIP, GLP-1, and glucagon triple hormone receptor agonist being investigated as an adjunct to diet and exercise in diabetes treatment.

The drug lowered A1C by an average of 1.7% to 2.0% across doses at 40 weeks, Lilly says, and trial participants who took a 12 mg dose lost an average of 36.6 (17%) pounds. The statement says retatrutide also showed meaningful clinical improvements from baseline across key risk factors, including non-HDL cholesterol, triglycerides, and systolic blood pressure. The most common adverse effects were nausea, diarrhea, and vomiting, and occurred primarily during dose escalation, the company says.

Lilly says retatrutide is an investigational once-weekly triple hormone receptor agonist. The company is studying it in several Phase 3 trials to evaluate its potential efficacy and safety in obesity and overweight with at least one weight-related medical problem, type 2 diabetes, knee osteoarthritis, moderate-to-severe obstructive sleep apnea, chronic low back pain, cardiovascular and renal outcomes, and metabolic dysfunction-associated steatotic liver disease.

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