Eli Lilly said on Sunday its drug Zepbound was superior to Novo Nordisk's Wegovy across five weight-loss targets such as reducing waist circumference, citing data from a head-to-head trial. The data is the first head-to-head trial comparing the wildly popular medicines,

Indianapolis-based Eli Lilly & Co. announced promising results from a large study of its own tablet in diabetes patients last month.

Eli Lilly’s (LLY) and Novo Nordisk’s (NVO) weight loss drugs went head-to-head in a weight loss study for the first time — and Eli Lilly’s drug came out on top.