Berobenatide for knee pain in adults with overweight or obesity
Tests berobenatide against placebo in adults with knee osteoarthritis and excess weight.
Plain-language title generated from the registry record
Registry title: A Study to Learn About Study Medicine Called Berobenatide in Adults With Knee Pain and Overweight or Obesity (VESPER-OA 1)
Key facts
- Where
- A Coruña, Barcelona, Córdoba, Sabadell, Salamanca, Santiago de Compostela, and Sevilla, SpainSee the 8 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 painful knee osteoarthritis who are also overweight or obese. It lasts 52 weeks and compares monthly berobenatide injections with placebo.
- Age
- 18 years or older, or the minimum age of consent set by local rules.
- Sex
- All sexes can join.
- Disease stage
- Knee osteoarthritis meeting American College of Rheumatology criteria, with knee pain and a knee X-ray showing Kellgren-Lawrence Grade 2 or 3.
- Earlier treatment
- At least 1 self-reported unsuccessful diet attempt to lose weight. People must be willing to stop pain medicines for a washout period. Recent weight-loss medicines, glucose-lowering treatments or other banned treatments are not allowed.
- Biomarker or test result
- Body mass index of at least 27 kg/m² at Screening.
Main reasons for not taking part
- History of diabetes or screening blood tests pointing to diabetes
- Body weight change of more than 5% in the 90 days before Screening
- Pancreatitis, gallbladder disease with symptoms, or a known stomach-emptying problem
- Personal or close family history of medullary thyroid carcinoma or multiple endocrine neoplasia type 2
- Earlier knee replacement, or planned knee replacement or knee surgery in the target knee
Read by machine on 11 November 2026.
Where in Spain
- Complexo Hospitalario Universitario A CoruñaA Coruña, SpainNot yet recruiting
- Hospital Universitari Vall d'HebronBarcelona, SpainNot yet recruiting
- Hospital Universitario Reina SofiaCórdoba, SpainNot yet recruiting
- Parc Tauli Hospital UniversitariSabadell, SpainNot yet recruiting
- Complejo Asistencial Universitario de SalamancaSalamanca, SpainNot yet recruiting
- Clínica Gaias - SantiagoSantiago de Compostela, SpainNot yet recruiting
- Hospital Quironsalud Infanta LuisaSevilla, SpainNot yet recruiting
- Nuevas Tecnologias En Diabetes Y En Endocrinologia S.L. ProfesionalSevilla, SpainNot yet recruiting
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
- NCT07919678EU 2026-526328-34-00
- Record updated
- 5 November 2026
- Original description
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. 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.Read full original descriptionShow less
A PHASE 3, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY TO ASSESS THE EFFICACY AND SAFETY OF ONCE-MONTHLY BEROBENATIDE IN ADULTS WITH KNEE OSTEOARTHRITIS AND OVERWEIGHT OR OBESITY (VESPER-OA 1)
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. 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.
Inclusion: 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.
Exclusion: 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; 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; History of diabetes or Screening laboratory findings indicative of diabetes; Recent use of weight-loss medication, any glucose-lowering therapy, or other protocol-prohibited treatment.