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,

Novo Nordisk shares dropped 5% in early trading on Monday after Eli Lilly released new trial data showing its weight loss drug, Zepbound, delivered stronger results than Wegovy. I

A new study shows that people Zepbound lost about 50% more weight than those using Wegovy. It was the first head-to-head trial of the blockbuster weight-loss medications.