The new treatment targets gut hormone GLP-1 but also mimics amylin, a hormone released by the pancreas that suppresses hunger.

One of Novo Nordisk's next-generation obesity shots to follow up on the success of Wegovy helped patients lose 22% of their weight in 36 weeks, according to early-stage trial results on Friday, boosting the drugmaker's shares.

Novo Nordisk shares jump close to 14% on promising trial results for amycretin, a once-weekly obesity drug, signaling fierce competition in the weight-loss market.

Novo Nordisk (NVO) stock slipped after ate-stage trial data for a higher-dose version of its popular obesity therapy, semaglutide, marketed as Wegovy. Read more here.

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,

Novo Nordisk's amycretin trial results highlight significant weight loss in adults with obesity, with further clinical development planned.

Here are some of the major companies whose stocks moved on the week’s news.

Finally, some good news for Novo Nordisk (NYSE: NVO) shareholders! Twice in the past two months, the Danish manufacturer of GLP-1 drugs for weight loss and diabetes treatment has reported clinical trial results for refinements of its original Ozempic and Wegovy drugs.

KEY TAKEAWAYS Novo Nordisk's U.S.-listed shares are surging 9% Friday morning after the Danish drugmaker reported early stage results for its amycretin weight-loss drug.The maker of Ozempic and Wegovy said that its Phase 1b/2a trial showed people achieved weight loss from a mean baseline body weight of 92.