New oral pill aims to clear psoriasis in major trial
NCT ID NCT07672561
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This phase 3 study tests whether the experimental drug WD-890 can safely improve skin clearance in adults with moderate to severe plaque psoriasis. Participants are randomly assigned to receive either WD-890 or a placebo tablet daily for up to 52 weeks. The main goals are to see if more people achieve clear or almost clear skin and at least a 75% reduction in psoriasis severity by week 16.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- WD-890
- What this could lead to
- If successful, WD-890 could offer a new oral treatment option for people with moderate to severe plaque psoriasis, potentially improving skin clearance and quality of life.
- What could go wrong
- This is a phase 3 trial, but results may not confirm efficacy or safety. The drug could cause side effects or fail to outperform placebo. Long-term risks are unknown.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 375 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Jul 2027
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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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male or female participant aged 18 to 75 years(inclusive)at the time of informed consent. * Diagnosis of plaque psoriasis for at least 6 months prior to the screening visit. * Body surface area (BSA) ≥10%, Psoriasis Area and Severity Index (PASI) score ≥12 and static Physician's Global Assessment (sPGA) ≥3 at screening visit and randomization Exclusion Criteria: * Participant has a nonplaque form of psoriasis (for example, erythrodermic, guttate, inverse, pustular,or drug induced psoriasis.) * Has uncontrolled arterial hypertension characterized by a systolic blood pressure (BP) ≥160 mm Hg or diastolic BP ≥100 mm Hg Note: Determined by 2 consecutive elevated readings. If an initial BP reading exceeds this limit, the BP may be repeated once after the subject has rested sitting for ≥10 minutes. If the repeat value is less than the criterion limits, the second value may be accepted * Class III or IV congestive heart failure by New York Heart Association Criteria
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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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Hospital of Dermatology, Chinese Academy of Medical Sciences
RECRUITINGNanjing, Jiangsu, 210042, China
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