A Cleveland Clinic study of nearly 8,000 patients found minimal weight regain one year after stopping semaglutide or tirzepatide, contrasting with clinical trial results. Meanwhile, Eli Lilly's retatrutide and Roche's petrelintide continue development as next-generation obesity treatments.
Novo Nordisk struggles against Eli Lilly in the weight loss market as CagriSema underperforms Zepbound, though new candidate UBT251 shows promise with 19.7% weight loss in 24 weeks. The company expects sales to decline in 2026 despite oral Wegovy's success.
Triple-agonist drug retatrutide has demonstrated weight loss outcomes similar to bariatric surgery in Phase 3 trials. Research shows GLP-1 drugs work through brain-mediated appetite suppression and are effective even in genetic obesity.
