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Updated May 2026 · ClinicalTrials.gov

RECRUITINGPhase 2INTERVENTIONAL

Study to Evaluate Tulisokibart in Adults 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.

Study to Evaluate Tulisokibart in Adults With Psoriatic Arthritis (MK-7240-015) (NCT07486960) is a Phase 2 interventional studying Psoriatic Arthritis, sponsored by Merck Sharp & Dohme LLC. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

Researchers are looking for new ways to treat Psoriatic Arthritis (PsA). This study will help find out if a study medicine called tulisokibart (MK-7240) can treat symptoms of active PsA. This study assesses the efficacy, safety, and tolerability of tulisokibart in adult participants with active PsA. In this study, researchers will look at different doses of tulisokibart. Researchers want to learn if at least one of the study doses of tulisokibart works better than a placebo to lessen PsA symptoms. A placebo looks like the study medicine but has no study medicine in it. Using a placebo helps researchers better understand the effects of the study medicine.

What Stage of Research Is This?

Phase 2 trials evaluate whether a treatment actually works against Psoriatic Arthritis and continue monitoring side effects. Phase 2 enrolls larger groups (typically 100–300 patients) and produces the first real efficacy signal. A successful Phase 2 readout is what unlocks the much larger Phase 3 confirmatory trials needed for FDA approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 140 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Psoriatic Arthritis subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: 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. Who Should NOT Join This Trial: The main exclusion criteria include but are not limited to the following: - 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 skin condition diagnosis, other than psoriasis that may, in the judgment of the investigator, interfere with the assessment of psoriasis. - 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. - Has any active infection. - Has known allergies, hypersensitivity, or intolerance to tulisokibart of its excipients. Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: 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. Exclusion Criteria: The main exclusion criteria include but are not limited to the following: * 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 skin condition diagnosis, other than psoriasis that may, in the judgment of the investigator, interfere with the assessment of psoriasis. * 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. * Has any active infection. * Has known allergies, hypersensitivity, or intolerance to tulisokibart of its excipients.

Treatments Being Tested

DRUG

Tulisokibart

Subcutaneous administration

DRUG

Placebo

Subcutaneous administration

Locations (6)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Arizona Arthritis & Rheumatology Associates, P.C. - Tucson ( Site 5120)
Tucson, Arizona, United States
Arthritis and Rheumatism Associates - Rockville ( Site 5127)
Rockville, Maryland, United States
Altoona Center for Clinical Research ( Site 5110)
Duncansville, Pennsylvania, United States
Articularis Healthcare Group dba: Low Country Rheumatology ( Site 5128)
Summerville, South Carolina, United States
Greater Houston Rheumatology ( Site 5103)
Houston, Texas, United States
Centre de Recherche Musculo-Squelettique ( Site 5202)
Trois-Rivières, Quebec, Canada

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT07486960), the sponsor (Merck Sharp & Dohme LLC), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT07486960 clinical trial studying?

Researchers are looking for new ways to treat Psoriatic Arthritis (PsA). This study will help find out if a study medicine called tulisokibart (MK-7240) can treat symptoms of active PsA. This study assesses the efficacy, safety, and tolerability of tulisokibart in adult participants with active PsA. In this study, researchers will look at different doses of tulisokibart. Researchers want to learn if at least one of the study doses of tulisokibart works better than a placebo to lessen PsA symptoms. A placebo looks like the study medicine but has no study medicine in it. Using a placebo helps r… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT07486960?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT07486960?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT07486960. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT07486960. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-05-08 · Data from ClinicalTrials.gov.