Eli Lilly’s obesity drug Zepbound is more effective than rival Novo Nordisk’s drug Wegovy, a head-to-head trial showed, Lilly said in a statement Wednesday. On average, Zepbound led to a superior weight loss of 20.

Eli Lilly & Co. said its weight-loss drug Zepbound outperformed rival Novo Nordisk A/S’s Wegovy in the first head-to-head trial of the two blockbusters.

Eli Lilly said Wednesday that its obesity drug Zepbound spurred more weight loss than Novo Nordisk's Wegovy in a head-to-head clinical trial.