Federal officials are targeting the blockbuster drugs as part of their ongoing initiative to lower drug costs.

Novo Nordisk said a higher dose of its drug Wegovy led to greater weight loss in patients during a late-stage trial, but the results fell short of the weight loss achieved with Eli Lilly's rival drug Zepbound,

The White House on Friday said Novo Nordisk’s weight-loss drugs Wegovy and Ozempic were among the 15 medications picked for a round of price negotiations with Medicare. The companies do not have to negotiate, but if they don’t, they face fines or the possible end of Medicare reimbursements.