CVS Health said it will significantly expand access to Novo Nordisk's blockbuster weight loss drug Wegovy for patients covered by its pharmacy benefit manager, Caremark. Starting July 1, Caremark will prioritize Wegovy on its standard formularies — or lists of covered drugs — making it the preferred GLP-1 drug for obesity.

The deal could expand access to its in-demand obesity drug at the expense of Eli Lilly, whose shares fell by double digits on Thursday.

Novo Nordisk A/S said it would sell its popular weight-loss drug Wegovy for a steeply reduced price on several telehealth platforms. The strategy comes as rival Eli Lilly & Co. is working with telehealth firms to distribute lower-cost vials of its own obesity medication,