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NCT07463183RecruitingPhase 2

A Study to Evaluate Efficacy and Safety of MK-8690 in Participants With Moderately to Severely Active Ulcerative Colitis (MK-8690-002)

A Phase 2a Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of MK-8690 in Adult Participants With Moderately to Severely Active Ulcerative Colitis

Source: ClinicalTrials.gov · Last updated 23 Oct 2026

Brief summary (registry, in English)

The purpose of this protocol is to evaluate the efficacy of MK-8690 in participants with moderately to severely active ulcerative colitis. The primary hypothesis is that MK-8690 is superior to placebo with respect to the proportion of participants achieving clinical remission per Modified Mayo Score at Week 12.

Status (registry)
Recruiting
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
100 (estimated)
First submitted
4 Mar 2026
Start date
24 Mar 2026
Primary completion date
28 Oct 2027
Lead sponsor
Merck Sharp & Dohme LLC
NCT number
NCT07463183
EU CT number
2025-523479-49-00

What you commit to

  • Study type: Interventional · Phase 2
  • Planned participants: 100
  • From 24 Mar 2026 to the primary completion date, 28 Oct 2027
  • 44 sites in 11 countries
  • 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.

Criteria the registry did not label

  • The main inclusion criteria include but are not limited to the following:
  • Has had ulcerative colitis (UC) (from onset of symptoms) for at least 3 months before Randomization
  • Has moderately to severely active UC
  • Has a weight ≥40 kg
  • Satisfies at least 1 of the criteria: Has had an inadequate response or loss of response to 1 or more protocol-specified treatments; protocol specified corticosteroid dependence; has been intolerant to 1 or more protocol-specified UC treatments
  • Is on treatment with any protocol-specified drugs during the study and meets drug stabilization requirements, as applicable
    • The main exclusion criteria include but are not limited to the following:
  • Has a diagnosis of Crohn's Disease (CD) or indeterminate colitis (inflammatory bowel disease (IBD)-undefined) or other types of colitis or enteritis that may confound efficacy assessment
  • Has a current diagnosis of fulminant colitis and/or toxic megacolon
  • Has UC limited to the rectum
  • Has a current or impending need for colostomy or ileostomy
  • Has had a total proctocolectomy or partial colectomy
  • Has UC exacerbation requiring hospitalization within 2 weeks before Screening
  • Has any active infection as specified in the protocol
  • Is known to be infected with hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV)
  • Has evidence of active tuberculosis (TB) or meets TB exclusionary parameters
  • Has a history of cancer (except fully treated nonmelanoma skin cell cancers or cervical carcinoma in situ after complete surgical removal) and is disease free for \<5 years before Randomization or has a history of colorectal cancer at any time
  • Has prior or current evidence of definite colonic dysplasia except for low-grade dysplasia that has been completely removed
  • Has had major surgery within 3 months before Screening or has a major surgery (ie, surgical procedure requiring general anesthesia) planned during the study
  • Has received protocol-specified prohibited medications

Age in the registry: 18 years to 75 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (44)

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

SiteCityCountrySite status
Prairie Institute of Liver and Luminal Advanced Research ( Site 1008)
Coordinator of this site? Confirm its status
LethbridgeCanadaRecruiting
Centre Hospitalier de l Universite de Montreal - CHUM ( Site 1001)
Coordinator of this site? Confirm its status
MontrealCanadaRecruiting
Toronto Western Hospital ( Site 1006)
Coordinator of this site? Confirm its status
TorontoCanadaRecruiting
Clinica de la Costa S.A.S. ( Site 1161)
Coordinator of this site? Confirm its status
BarranquillaColombiaRecruiting
Fundacion Santa Fe de Bogota ( Site 1165)
Coordinator of this site? Confirm its status
BogotaColombiaRecruiting
Fundación Valle del Lili ( Site 1162)
Coordinator of this site? Confirm its status
CaliColombiaRecruiting
Servicios de Salud IPS Suramericana S.A.S. - IPS Sura Industriales Medellín ( Site 1163)
Coordinator of this site? Confirm its status
MedellínColombiaRecruiting
Universitaetsklinikum Brandenburg an der Havel GmbH
Coordinator of this site? Confirm its status
Brandenburg An Der HavelGermanyRecruiting
Rostock University Medical Center
Coordinator of this site? Confirm its status
RostockGermanyRecruiting
Universitaetsklinikum Ulm AoR
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UlmGermanyRecruiting
Clinique des Cèdres
Coordinator of this site? Confirm its status
ÉchirollesFranceRecruiting
Chorale Du Centre Hospitalier De Lens
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LensFranceRecruiting
Clinique Jules Verne
Coordinator of this site? Confirm its status
NantesFranceRecruiting
Fairfield General Hospital ( Site 1524)
Coordinator of this site? Confirm its status
BuryUnited KingdomRecruiting
Addenbrooke's Hospital ( Site 1525)
Coordinator of this site? Confirm its status
CambridgeUnited KingdomRecruiting
Huddersfield Royal Infirmary ( Site 1522)
Coordinator of this site? Confirm its status
HuddersfieldUnited KingdomRecruiting
Guys and St Thomas NHS Foundation Trust ( Site 1523)
Coordinator of this site? Confirm its status
LondonUnited KingdomRecruiting
Evangelismos S A
Coordinator of this site? Confirm its status
AthensGreeceRecruiting
Thoracic General Hospital of Athens "I Sotiria"
Coordinator of this site? Confirm its status
AthensGreeceRecruiting
Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere Scientifico
Coordinator of this site? Confirm its status
BolognaItalyRecruiting
Ospedale San Raffaele S.r.l.
Coordinator of this site? Confirm its status
MilanItalyRecruiting
Humanitas Mirasole S.p.A.
Coordinator of this site? Confirm its status
RozzanoItalyRecruiting
Korea University Ansan Hospital ( Site 1603)
Coordinator of this site? Confirm its status
Ansan-siSouth KoreaRecruiting
Kangbuk Samsung Hospital ( Site 1601)
Coordinator of this site? Confirm its status
SeoulSouth KoreaRecruiting
Wonju Severance Christian Hospital ( Site 1602)
Coordinator of this site? Confirm its status
WŏnjuSouth KoreaRecruiting
Amsterdam UMC Stichting
Coordinator of this site? Confirm its status
AmsterdamNetherlandsRecruiting
Radboud universitair medisch centrum Stichting
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NijmegenNetherlandsRecruiting
Promed P.Lach R.Glowacki Sp. j.
Coordinator of this site? Confirm its status
CracowPolandRecruiting
Twoja Przychodnia-Szczecinskie Centrum Medyczne Sp. z o. o.
Coordinator of this site? Confirm its status
SzczecinPolandRecruiting
Vivamed Sp. z o.o.
Coordinator of this site? Confirm its status
WarsawPolandRecruiting
Medical Network Sp z o o
Coordinator of this site? Confirm its status
WarsawPolandRecruiting
Eb Group Sp. z o.o.
Coordinator of this site? Confirm its status
WarsawPolandRecruiting
Melita Medical Sp. z o.o.
Coordinator of this site? Confirm its status
WroclawPolandRecruiting
Clinnova Research ( Site 1042)
Coordinator of this site? Confirm its status
AnaheimUnited StatesRecruiting
Peak Gastroenterology Associates ( Site 1052)
Coordinator of this site? Confirm its status
Colorado SpringsUnited StatesRecruiting
Southern California Research Center ( Site 1044)
Coordinator of this site? Confirm its status
CoronadoUnited StatesRecruiting
South Denver Gastroenterology, PC ( Site 1068)
Coordinator of this site? Confirm its status
EnglewoodUnited StatesRecruiting
Nature Coast Clinical Research ( Site 1045)
Coordinator of this site? Confirm its status
InvernessUnited StatesRecruiting
University of Kansas Medical Center ( Site 1077)
Coordinator of this site? Confirm its status
Kansas CityUnited StatesRecruiting
BVL Research - Kansas ( Site 1054)
Coordinator of this site? Confirm its status
LibertyUnited StatesRecruiting
Gastroenterology Associates of Central Georgia ( Site 1060)
Coordinator of this site? Confirm its status
MaconUnited StatesRecruiting
Research Associates of South Florida - Miami - Southwest 8th Street ( Site 1072)
Coordinator of this site? Confirm its status
MiamiUnited StatesRecruiting
Tulane University School of Medicine-Gastroenterology and Hepatology ( Site 1073)
Coordinator of this site? Confirm its status
New OrleansUnited StatesRecruiting
AdventHealth Orlando ( Site 1074)
Coordinator of this site? Confirm its status
OrlandoUnited StatesRecruiting

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