The weight-loss drug boom has transformed Eli Lilly (LLY), the maker of Zepbound, into the largest healthcare company in the world. Now, the pharma giant wants to reinvest its success with weight-loss meds into tackling some of the world’s toughest health challenges.

Eli Lilly wants to take big swings in Alzheimer's, ALS, chronic pain and other difficult diseases after its success in obesity.

The results were consistent with the preliminary results Eli Lilly shared in January, which disappointed investors.