A Study to Learn About Safety and Effects of Once-monthly Treatment With Berobenatide in Adults With Obesity Disease in Japan (VESPER-JM)
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Sponsored by Pfizer (industry) · PFE — their whole pipeline →.
Phase
Phase 3
Status
Not yet recruiting
Study type
Interventional
Design
Randomized · Triple · Treatment
Enrollment
197estimated
Sites
6
Country
Japan
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-31
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2026-09-28 | estimated | When the study began enrolling |
| Primary completion | 2029-02-21 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2029-02-21 | estimated | The whole study's end, after follow-up |
| First posted | 2026-08-31 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-08-31 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Obesity
Interventions
- Drug: Berobenatide — also filed as MET097, PF-08653944
- Other: Placebo
Primary outcome
what the primary-completion date above is the date OFPercent change from baseline in body weight
measured Baseline, Week 72
Related
PFE · their whole pipeline · Obesity readouts · Who in Congress owns PFE? · Executive-branch trades in PFE
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