Berobenatide and the Monthly Dosing Question: Pfizer's $4.9B Metsera Acquisition Pays Out at ADA 2026
Pfizer's ADA Phase 2b readout for berobenatide (15.9% weight loss at 32 weeks, no plateau, monthly dosing via a 0.5 mL low-volume injection) validates the $4.9 billion Metsera acquisition that closed earlier this year. The company now plans more than 20 obesity-related trials in 2026, including 10 Phase 3 studies. Monthly dosing positions berobenatide against once-weekly incumbents on the adherence axis, the same logic behind Amgen's MariTide and Ascletis's ASC30.