Cigna will cap out-of-pocket costs at $200 per month for patients using the weight-loss drugs Wegovy and Zepbound through an add-on to its pharmacy benefit management plans, the company announced on Wednesday.

Tirzepatide (Zepbound) led to more weight loss than semaglutide (Wegovy) in a clinical trial funded by Eli Lilly. Participants who received tirzepatide also had greater improvements in metabolic risk factors.

Eli Lilly’s Zepbound proved more effective than Novo Nordisk’s Wegovy in a new head-to-head trial, though both medications resulted in substantial weight loss. The trial, call