Question · Q4 2025
Jeff Meacham from Citigroup Inc. questioned if monthly dosing is the longest feasible interval for 3944 while preserving efficacy, or if longer intervals like every two months are possible. He also asked about the nature of planned Phase 3 studies, specifically if they would include standard metabolic studies, inflammation/neuropsych indications, or GLP-1 active comparator studies to differentiate the program.
Answer
Dr. Chris Boshoff, Chief Scientific Officer, Pfizer, confirmed that 3944 is aimed at monthly maintenance therapy, but mentioned another peptide in Phase 1 with potential for three-monthly administration. He outlined initial Phase 3 programs (VESPER-4, VESPER-5, VESPER-6) for patients with and without type 2 diabetes, including monthly dosing, and indicated that beyond cardiovascular and metabolic studies, Pfizer is exploring other opportunities for differentiation, including combinations and new indications.
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