Lilly Files Trade Complaint To Block Weight-Loss Drug Knock-Offs

Eli Lilly & Co. filed a complaint with the US International Trade Commission against companies around the world that it alleges are importing, selling and distributing unapproved versions of Mounjaro, its blockbuster drug for diabetes that’s often used for weight loss.

Lilly is targeting foreign importers and domestic distributors that are unlawfully marketing and selling products labeled as Mounjaro, also known as tirzepatide, according to the complaint filed Thursday. In some cases, the knock-offs have been found to contain impurities, the company alleged.

The US Food and Drug Administration “does not review the products these companies are importing or ...