The drugmaker expects the regulator to remove Wegovy and Ozempic from its shortage list, blocking other companies from legally selling cheap knockoff versions.

In fact, Novo Nordisk recently reported positive results for one of its anti-obesity candidates that puts its current best-selling drug in this area, Wegovy, to shame. Let's look deeper into these results and what they could mean for investors.

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

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.

The weight-loss drugmaker's Wegovy and Ozempic are among the most closely watched new medications in recent history, but face serious competition from Eli Lilly’s Zepbound and Mounjaro.