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,

A new study has found that people taking Eli Lilly’s obesity drug Zepbound lost almost 50% more weight than those using Novo Nordisk’s Wegovy. The study — published May 11 in the New England Journal of Medicine — followed 751 people across the U.

The obesity drug helped patients reduce their waist size by an extra two inches compared to those on Novo Nordisk’s Wegovy in a head-to-head study of the two drugs.