NCT07915609RecruitingPhase 3
A Study to Learn About Berobenatide Given Once Weekly in Adults With Knee Osteoarthritis and Overweight or Obesity With or Without Type 2 Diabetes (VESPER-OA 2)
A PHASE 3, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY TO ASSESS THE EFFICACY AND SAFETY OF ONCE-WEEKLY BEROBENATIDE IN ADULTS WITH KNEE OSTEOARTHRITIS AND OVERWEIGHT OR OBESITY WITH OR WITHOUT TYPE 2 DIABETES (VESPER-OA 2)
Source: ClinicalTrials.gov · Last updated 4 Nov 2026
Brief summary (registry, in English)
The purpose of this clinical study is to learn about the safety and effects of berobenatide (PF-08653944) for the treatment of knee osteoarthritis in adults with overweight or obesity with and without type 2 diabetes. The study will last 52 weeks and compare the effects of berobenatide compared to placebo on knee pain, physical function, and body weight. Study activities will include blood tests, knee pain assessment, physical function questionnaires and body measurements.
- Status (registry)
- Recruiting
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 756 (estimated)
- First submitted
- 20 Oct 2026
- Start date
- 26 Oct 2026
- Primary completion date
- 21 Aug 2028
- Lead sponsor
- Pfizer
- Diseases
- Obesity, Type 2 diabetes
- NCT number
- NCT07915609
- EU CT number
- 2026-527180-15-00
What you commit to
- Study type: Interventional · Phase 3
- Planned participants: 756
- From 26 Oct 2026 to the primary completion date, 21 Aug 2028
- 4 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Self-reported body weight increase or decrease greater than 5% within 90 days before Screening.
- Prior target-knee replacement, planned target-knee replacement, or planned elective knee surgery during the study.
- Prior participation in a berobenatide clinical trial with receipt of active treatment or placebo.
Other illness
- Known clinically significant gastric-emptying abnormality, history of acute or chronic pancreatitis, or active symptomatic gallbladder disease.
- Personal history or first-degree family history of medullary thyroid carcinoma or multiple endocrine neoplasia type 2.
- Significant active or unstable psychiatric disorder.
- Condition or knee disorder that could confound assessment of target-knee pain
- Hypersensitivity to a drug with glucagon-like peptide-1 receptor activity, including berobenatide, or any excipient.
Lab values
- Recent use of weight-loss medication, any glucose-lowering therapy, or other protocol-prohibited treatment.
Other
- For participants with T2D at Screening only:
- Diabetic maculopathy, proliferative diabetic retinopathy, or severe non-proliferative diabetic retinopathy requiring immediate intervention
Who the study is looking for
- Adults 18 years of age or older, or the minimum age of consent according to local regulations.
- Body mass index of at least 27 kg/m² at Screening.
- Currently meets American College of Rheumatology (ACR) Criteria for knee OA.
- Pain due to knee OA.
- Knee radiograph consistent with knee osteoarthritis and Kellgren-Lawrence Grade 2 or 3.
- Willingness to complete the required analgesic washout.
- History of at least 1 self-reported unsuccessful dietary effort to lose body weight.
- HbA1c value at Screening of:
- \<6.5% (48 mmol/mol) for participants without T2D
- ≥6.5% (48 mmol/mol) and \<10.0% (86 mmol/mol) for participants with T2D
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (4)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Central Alabama Research Coordinator of this site? Confirm its status | Birmingham | United States | Recruiting |
| International Research Associates LLC Coordinator of this site? Confirm its status | Miami | United States | Not yet recruiting |
| Carolina Research Center Coordinator of this site? Confirm its status | Shelby | United States | Not yet recruiting |
| Noble Clinical Research, LLC Coordinator of this site? Confirm its status | Tucson | United States | Not yet recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.