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Eli Lilly

on Thursday said its blockbuster diabetes drug Mounjaro showed heart health benefits in a late-stage trial directly comparing it to the company’s older diabetes treatment, Trulicity.

Mounjaro met the study’s main goal of showing that it wasn’t any worse than Trulicity at treating people with Type 2 diabetes and established cardiovascular disease. Eli Lilly said it believes the new data bolsters the case for Mounjaro to be prescribers’ first choice for patients with Type 2 diabetes, who are twice as likely to have heart disease or stroke as those without the disease.

The results come as Trulicity – also a top-selling drug for Eli Lilly – faces a patent expiration in 2027, which could further boost Mounjaro’s position in the diabetes market.