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NCT07284979Active, not recruitingPhase 3

Efficacy and Safety of KAI-9531 compared with Semaglutide in Participants Living With Obesity Who Do Not Have Diabetes (KaiNETIC-3)

A Phase 3, Randomized, Active- and Placebo-Controlled, Partially-Blinded Study to Compare the Efficacy and Safety of KAI-9531 Administered Once Weekly Versus Semaglutide and Placebo in Participants Living with Obesity Who Do Not Have Diabetes

Source: EU CTIS (euclinicaltrials.eu) · Last updated 18 Aug 2026

Brief summary (registry, in English)

To demonstrate that ribupatide subcutaneous (SC) once weekly (QW) is superior to semaglutide SC QW and placebo SC QW on percent change in body weight

Status (registry)
Active, not recruiting
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
268 (estimated)
First submitted
21 Jan 2026
Start date
24 Jun 2026
Lead sponsor
Kailera Therapeutics Inc.
Diseases
Obesity
NCT number
NCT07284979
EU CT number
2025-523511-11-00

What you commit to

  • Study type: Interventional · Phase 3
  • Planned participants: 268
  • 16 sites in 2 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study, not your situation.

Who cannot take part

Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Received treatment with semaglutide, tirzepatide, GLP-1 receptor agonist, GLP-1/GIP, or glucagon receptor agonist within 3 months prior to Screening.
  • Started medications within 3 months prior to Screening that may cause significant weight change, including, but not limited to, tricyclic antidepressants, atypical antipsychotics, mood stabilizers, phentermine..
  • Unstable weight defined as self-reported change in body weight exceeding 5% within the 3 months prior to Screening.
  • Known clinically significant gastric-emptying abnormality (eg, severe gastroparesis, gastric outlet obstruction, or inflammatory bowel disease/irritable bowel syndrome) or chronic treatment with medications that directly affect GI motility.

Other illness

  • Current diagnosis or history of diabetes mellitus
  • Family or personal history of multiple endocrine neoplasia Type 2 or medullary thyroid cancer.
  • Uncontrolled hypertension or unstable cardiovascular disease
  • History of chronic or acute pancreatitis
  • History of suicide attempt.
  • History of significant active or unstable Major Depressive Disorder (MDD) or other severe psychiatric disorder

Who the study is looking for

  • BMI ≥35 kg/m
  • History of being unresponsive to at least 1 self-reported effort to lose weight with diet and/or exercise in the last 6 months.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on EU CTIS (euclinicaltrials.eu)

Sites (16)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Medical Center Hera EOOD
Coordinator of this site? Confirm its status
MontanaBulgariaActive, not recruiting
Outpatient Clinic For Specialized Outpatient Medical Care In Endocrinology Dr Albena Dinkova EOOD
Coordinator of this site? Confirm its status
PlevenBulgariaActive, not recruiting
University Multiprofile Hospital For Active Treatment Kaspela EOOD
Coordinator of this site? Confirm its status
PlovdivBulgariaActive, not recruiting
Endomedical Center OOD
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SofiaBulgariaActive, not recruiting
Medical Center-Sv. Dimitar EOOD
Coordinator of this site? Confirm its status
SofiaBulgariaActive, not recruiting
Diamedical Medical Center 2013 Ltd.
Coordinator of this site? Confirm its status
SofiyaBulgariaActive, not recruiting
Umbal - Prof. D-R Stoyan Kirkovich AD
Coordinator of this site? Confirm its status
Stara ZagoraBulgariaActive, not recruiting
Diagnostic Consultative Center Equita OOD
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VarnaBulgariaActive, not recruiting
Centrum Medyczne Kermed Renata Bijata-Bronisz I Ewa Kowalinska Sp. j.
Coordinator of this site? Confirm its status
BydgoszczPolandActive, not recruiting
Diab Serwis Popenda Sp. j.
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ChorzowPolandActive, not recruiting
Centrum Medyczne All-Med Badania Kliniczne
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CracowPolandActive, not recruiting
FutureMeds Sp. z o.o.
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GdyniaPolandActive, not recruiting
Pratia S.A.
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GdyniaPolandActive, not recruiting
Specjalistyczna Praktyka Lekarska Diabetologia, Leczenie Cukrzycy i Otylosci
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KielcePolandActive, not recruiting
Centrum Medyczne Justmed Sp. z o.o.
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WarszawaPolandActive, not recruiting
Centrum Badań Klinicznych Piotr Napora Lekarze Sp. p.
Coordinator of this site? Confirm its status
WroclawPolandActive, not recruiting

This page is information, not medical advice. Discuss any trial with your doctor.