NCT07486960Active, not recruitingPhase 2
A clinical study of tulisokibart in people with psoriatic arthritis (MK-7240-015)
A Phase 2b, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Tulisokibart in Participants With Psoriatic Arthritis.
Source: EU CTIS (euclinicaltrials.eu) · Last updated 21 Oct 2026
Brief summary (registry, in English)
1. To evaluate the efficacy of tulisokibart compared with placebo as assessed by the proportion of participants achieving ACR20 at Week 16.
- Status (registry)
- Active, not recruiting
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 49 (estimated)
- First submitted
- 8 Jan 2026
- Start date
- 8 May 2026
- Lead sponsor
- Merck Sharp & Dohme LLC
- Diseases
- Psoriasis, Psoriatic arthritis
- EU CT number
- 2025-520997-21-00
What you commit to
- Study type: Interventional · Phase 2
- Planned participants: 49
- 17 sites in 3 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.
Other illness
- Has a skin condition diagnosis, other than psoriasis that may, in the judgment of the investigator, interfere with the assessment of psoriasis.
- Has any active infection.
- Has known allergies, hypersensitivity, or intolerance to tulisokibart of its excipients.
Age
- Has any arthritis with onset before age 17 years or current diagnosis of inflammatory joint disease other than PsA (such as, but not limited to, rheumatoid arthritis, systemic lupus erythematosus, systemic sclerosis, myositis, etc), or any other conditions that may, in the judgment of the investigator, interfere with the assessment of PsA.
- Has a history of cancer (except fully treated nonmelanoma skin cancers or cervical carcinoma in situ after complete surgical removal) and is disease free for \<5 years before Randomization.
Other
- The main exclusion criteria include but are not limited to the following:
Who the study is looking for
- The main inclusion criteria include but are not limited to the following:
- Has a clinical diagnosis of PsA and fulfillment of the Classification Criteria for Psoriatic Arthritis (CASPAR) criteria at Screening, with symptom onset ≥6 months before Screening.
- Has a diagnosis of active plaque psoriasis or documented history of plaque psoriasis.
- Has history of biologic disease-modifying antirheumatic drug (bDMARD)-naïve or bDMARD-inadequate response/intolerant.
Age in the registry: 18 years to 80 years · Sex: All · Does not accept healthy volunteers
Sites (53)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Centre Rhumatologie De L'Est ( Site 5201) Coordinator of this site? Confirm its status | Rimouski | Canada | Unknown status |
| Centre de Recherche Musculo-Squelettique ( Site 5202) Coordinator of this site? Confirm its status | Trois-Rivières | Canada | Unknown status |
| Clinica Dermacross ( Site 8200) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| CECIM ( Site 8205) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| Centro de Estudios GyC ( Site 8206) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| Centro Internacional de Estudios Clinicos (CIEC) ( Site 8201) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| Enroll SpA ( Site 8203) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| Bradfordhill ( Site 8212) Coordinator of this site? Confirm its status | Santiago | Chile | Unknown status |
| Clinica de la Costa S.A.S. ( Site 8301) Coordinator of this site? Confirm its status | Barranquilla | Colombia | Unknown status |
| Centro de investigacion en reumatologia y especialidades medicas SAS (CIREEM SAS) ( Site 8306) Coordinator of this site? Confirm its status | Bogota | Colombia | Unknown status |
| Fundación Valle del Lili ( Site 8302) Coordinator of this site? Confirm its status | Cali | Colombia | Unknown status |
| Charite Universitaetsmedizin Berlin KöR Coordinator of this site? Confirm its status | Berlin | Germany | Active, not recruiting |
| Rheumatologische Schwerpunktpraxis Coordinator of this site? Confirm its status | Berlin | Germany | Active, not recruiting |
| Rheuma-Research Lausitz Zentrum für klinische Studien Coordinator of this site? Confirm its status | Cottbus | Germany | Active, not recruiting |
| MVZ Rheumatologie und Autoimmunmedizin Hamburg GmbH Coordinator of this site? Confirm its status | Hamburg | Germany | Active, not recruiting |
| Rheumapraxis Heidelberg Coordinator of this site? Confirm its status | Heidelberg | Germany | Active, not recruiting |
| St. Elisabeth Gruppe GmbH Katholische Kliniken Rhein-Ruhr Coordinator of this site? Confirm its status | Herne | Germany | Active, not recruiting |
| Hospital Universitari Vall d'Hebron Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Futuremeds Spain S.L. Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Complexo Hospitalario Universitario De Santiago Coordinator of this site? Confirm its status | Santiago de Compostela | Spain | Recruiting |
| Hospital Universitario Y Politecnico La Fe Coordinator of this site? Confirm its status | Valencia | Spain | Recruiting |
| Szpital Uniwersytecki nr 2 im dr Jana Biziela w Bydgoszczy Coordinator of this site? Confirm its status | Bydgoszcz | Poland | Recruiting |
| Medicover Integrated Clinical Services Sp. z o.o. Coordinator of this site? Confirm its status | Bydgoszcz | Poland | Recruiting |
| Niepubliczny Zakład Opieki Zdrowotnej Bif-Med S.C. Coordinator of this site? Confirm its status | Bytom | Poland | Recruiting |
| Reumed Sp. z o.o. Coordinator of this site? Confirm its status | Lublin | Poland | Recruiting |
| Medicover Integrated Clinical Services Sp. z o.o. Coordinator of this site? Confirm its status | Torun | Poland | Recruiting |
| Medicover Integrated Clinical Services Sp. z o.o. Coordinator of this site? Confirm its status | Warsaw | Poland | Recruiting |
| Narodowy Instytut Geriatrii Reumatologii I Rehabilitacji Im Prof. Dr Hab. Med. Eleonory Reicher Coordinator of this site? Confirm its status | Warsaw | Poland | Recruiting |
| Kyiv Railway Clinical Hospital No.2 of Branch Health Center of the Public Joint Stock Company Ukrain ( Site 7401) Coordinator of this site? Confirm its status | Kiev | Ukraine | Unknown status |
| Medical Center of Limited Liability Company "Medical Center "Consilium Medical" ( Site 7415) Coordinator of this site? Confirm its status | Kyiv | Ukraine | Unknown status |
| Medical Center "Universal Clinic "Oberig" of Limited Liability Company "Kapytal" ( Site 7406) Coordinator of this site? Confirm its status | Kyiv | Ukraine | Unknown status |
| Edelweiss Medics ( Site 7409) Coordinator of this site? Confirm its status | Kyiv | Ukraine | Unknown status |
| Lviv Clin Hospital of Planned Treatment Rehabilitation Palliative Care ( Site 7410) Coordinator of this site? Confirm its status | Lviv | Ukraine | Unknown status |
| Municipal Nonprofit Enterprise "Vinnytsia Regional Clinical Hospital n.a. M. I. Pyrohov of Vinnytsia ( Site 7400) Coordinator of this site? Confirm its status | Vinnytsia | Ukraine | Unknown status |
| Limited liability company "Medical center Health Clinic" ( Site 7412) Coordinator of this site? Confirm its status | Vinnytsia | Ukraine | Unknown status |
| Arthritis and Rheumatic Disease Specialties ( Site 5105) Coordinator of this site? Confirm its status | Aventura | United States | Unknown status |
| Johns Hopkins University Division of Rheumatology ( Site 5132) Coordinator of this site? Confirm its status | Baltimore | United States | Unknown status |
| St. Luke's Clinic - Rheumatology - Boise ( Site 5109) Coordinator of this site? Confirm its status | Boise | United States | Unknown status |
| Joseph S. and Diane H. Steinberg Ambulatory Care Center ( Site 5106) Coordinator of this site? Confirm its status | Brooklyn | United States | Unknown status |
| Joint and Muscle Research Institute ( Site 5108) Coordinator of this site? Confirm its status | Charlotte | United States | Unknown status |
| Altoona Center for Clinical Research ( Site 5110) Coordinator of this site? Confirm its status | Duncansville | United States | Unknown status |
| Greater Houston Rheumatology ( Site 5103) Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Kansas City Physician Partners ( Site 5119) Coordinator of this site? Confirm its status | Kansas City | United States | Unknown status |
| Physician Research Collaboration, LLC ( Site 5102) Coordinator of this site? Confirm its status | Lincoln | United States | Unknown status |
| Perelman Center for Advanced Medicine ( Site 5134) Coordinator of this site? Confirm its status | Philadelphia | United States | Unknown status |
| Medvin Clinical Research - Riverside ( Site 5115) Coordinator of this site? Confirm its status | Riverside | United States | Unknown status |
| Arthritis and Rheumatism Associates - Rockville ( Site 5127) Coordinator of this site? Confirm its status | Rockville | United States | Unknown status |
| Articularis Healthcare Group dba: Low Country Rheumatology ( Site 5128) Coordinator of this site? Confirm its status | Summerville | United States | Unknown status |
| Arizona Arthritis & Rheumatology Associates, P.C. ( Site 5117) Coordinator of this site? Confirm its status | Sun City | United States | Unknown status |
| International Center for Research ( Site 5124) Coordinator of this site? Confirm its status | Tampa | United States | Unknown status |
| Cohen Medical Centers ( Site 5111) Coordinator of this site? Confirm its status | Thousand Oaks | United States | Unknown status |
| Arizona Arthritis & Rheumatology Associates, P.C. - Tucson ( Site 5120) Coordinator of this site? Confirm its status | Tucson | United States | Unknown status |
| Medvin Clinical Research - Tujunga ( Site 5113) Coordinator of this site? Confirm its status | Tujunga | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.