Just how much Medicare price negotiations will negatively impact Novo Nordisk, though, depends on what the final negotiated prices for Ozempic, Wegovy, and Rybelsus will be. In Medicare's negotiations for 2026, the new prices achieved an average of 22% savings.

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 said patients taking a bigger dose of its blockbuster obesity drug lost more weight than those on a lower dose, without experiencing an increase in side-effects.

Results from Novo Nordisk's STEP UP trial show that a high-dose formulation of Wegovy can significantly increase the weight loss effects the drug is known for.

Novo Nordisk today announced headline results from STEP UP, a phase 3b trial in the global STEP programme. STEP UP is a 72-week efficacy and safety trial investigating subcutaneous semaglutide 7.2 mg compared to semaglutide 2.

Stock prices for Novo Nordisk fell by about 3% at market open after the Biden administration selected its revolutionary drugs for mandatory price negotiations.

The Biden administration says it will be including weight loss drugs like Ozempic and Wegovy in the next round of drug negotiations between medicare and the manufactures. Dr. Natalie Azar joins TODAY to break down what it all means.