Robust Phase IIb for Pfizer’s GLP-1 RA berobenatide

8 June 2026

US pharma giant Pfizer (NYSE: PFE) presented detailed results from multiple Phase IIb studies of berobenatide (PF-3944), an investigational, potential first-in-class monthly GLP-1 receptor agonist (GLP-1 RA) peptide, during a late-breaking expert symposium at the 86th Scientific Sessions of the American Diabetes Association (ADA).

The objectives for the Phase II studies were to identify the right doses for Phase III and to test escalation schemes. Across both weekly and monthly dosing in participants with obesity or overweight, with and without type 2 diabetes, the data from the Phase 2b VESPER-1, 2 and 3 studies.

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