Eli Lilly Broadens Crackdown on Fake and Compounded Zepbound

Eli Lilly & Co. broadened its effort to crack down on fake and off-brand versions of hit obesity drug Zepbound, saying it has filed more lawsuits against companies selling compounded versions of the treatment.

The drugmaker filed a handful of new lawsuits on Thursday against medical spas, wellness centers and other businesses, claiming they had referred to their products using Lilly’s brand names of Mounjaro and Zepbound. Lilly doesn’t provide its drug ingredients to compounders, the company said in a letter to patients.

Both Lilly and its rival Novo Nordisk A/S issued multiple lawsuits last year in an attempt to ...