Berobenatide Compared With Placebo in Adults With Overweight or Obesity
Tests berobenatide against placebo in adults living with overweight or obesity.
Plain-language title generated from the registry record
Registry title: A Study to Learn About the Study Medicine Called Berobenatide (PF-08653944) in People With Overweight or Obesity
Key facts
- Where
- Hamilton, Moncton, Surrey, and Toronto, CanadaSee the 5 sites
- Phase
- Phase 3
AI summary: who the study is looking for
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with overweight or obesity. Some may also have type 2 diabetes. It tests a once-monthly shot of berobenatide (PF-08653944) against a placebo.
- Age
- 18 years or older
- Sex
- All sexes can join
- Disease stage
- BMI of ≥30 kg/m2, or BMI of ≥27.0 kg/m2 to <30.0 kg/m2 plus at least 1 weight-related health problem: hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease, or T2D.
Main reasons for not taking part
- Self-reported body weight change of more than 5% within 90 days before screening
- Type 1 diabetes or any form of diabetes other than T2D
- History of acute or chronic pancreatitis
- Personal or family history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia type 2 (MEN-2)
Read by machine on 11 November 2026.
Where in Canada
- The Wharton Medical Clinic Clinical Trials IncHamilton, CanadaTaking people
- Winterberry Research Inc.Hamilton, CanadaTaking people
- GA Research Associates Ltd.Moncton, CanadaTaking people
- Ocean West Research ClinicSurrey, CanadaTaking people
- Canadian Phase Onward Inc.Toronto, CanadaTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorTrial details
- Who runs it
- Pfizer
- Trial code
- NCT07595549EU 2026-525318-75-00
- Record updated
- 5 November 2026
- Original description
The purpose of this clinical study is to learn about the effects and safety of berobenatide (PF-08653944). This may help people with overweight or obesity lose weight. People in this study may also have type 2 diabetes.Read full original descriptionShow less
A PHASE 3, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY TO ASSESS THE EFFICACY AND SAFETY OF ONCE-MONTHLY PF-08653944 IN ADULTS WITH OVERWEIGHT OR OBESITY (VESPER-6)
The purpose of this clinical study is to learn about the effects and safety of berobenatide (PF-08653944). This may help people with overweight or obesity lose weight. People in this study may also have type 2 diabetes.
About 950 adults will be in this study. Berobenatide will be compared to a placebo. A placebo does not have any medicine in it but looks just like the medicine being studied. Berobenatide or placebo is given by a shot under the skin in the belly area. The objective of the study is to compare the experiences of people receiving berobenatide to those of the people who do not to assess if the study medicine is effective and safe.
People will take part in this study for about 20 months. During this time, they will have about 15 study visits at the site. They will also have 2 study visits over the phone.
Inclusion: Aged ≥18 years; BMI of: ≥30 kg/m2 or ≥27.0 kg/m2 to <30.0 kg/m2 and must have at least 1 of the following weight-related co-morbidities: hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease, or T2D.
Exclusion: Have a self-reported body weight change greater than 5% within 90 days prior to Screening; Diagnosis of type 1 diabetes or any other form of diabetes other than T2D; History of acute or chronic pancreatitis; Personal or family history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia type 2 (MEN-2).