Psoriasis drug trial aims to calm overactive immune cells
NCT ID NCT05858645
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how deucravacitinib, a drug that blocks a specific immune signal (TYK2), changes immune cells in the skin and blood of people with moderate-to-severe psoriasis. About 25 adults will take the drug and be monitored for improvements in their psoriasis symptoms. The goal is to understand how the drug works and whether it can reduce disease severity.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 25 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2023
- Expected to finish
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Jun 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. 18 years of age or older 2. Patients with moderate-severe psoriasis (BSA \>= 10%, PASI \>=12, static Physician's Global Assessment (sPGA) 3 and above) Exclusion Criteria: 1. taking systemic immunosuppressives in the last 12 weeks 2. pregnancy 3. severe immunodeficiency (either from genetic or infectious causes). 4. tuberculosis or other active serious infection 5. active systemic malignancy. 6. breast-feeding 7. Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the patient or the quality of the data.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of California, San Francisco
RECRUITINGSan Francisco, California, 94115, United States
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