The popular weight loss medications produced different results in patients who participated in a trial, and here’s what researchers found.

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. Lilly reported in December that its obesity drug had already met the main goal,

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.