Reported Saturday, Pfizer's Berobenatide Achieves 15.9% Weight Loss At 32 Weeks With No Plateau In VESPER-1 As Monthly GLP-1 Phase 3 Program Advances

Pfizer

Pfizer

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  • Results from multiple Phase 2b dose finding studies for berobenatide (PF'3944) highlight a potential first-in-class monthly GLP-1 receptor agonist (GLP-1 RA) peptide, and support the planned Phase 3 low, medium and high dosing strategy
  • VESPER-1 achieved a non-placebo-adjusted weight loss of almost 16% with no plateau observed at 32 weeks on 2.4 mg weekly berobenatide
  • Pfizer plans to advance 10 Phase 3 studies for berobenatide in 2026 for chronic weight management and obesity-related comorbidities including knee osteoarthritis and obstructive sleep apnea, as part of a broader program of 20+ obesity trials