Evaluating WD-890 for moderate-to-severe plaque psoriasis

A Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase II Study to Evaluate the Efficacy and Safety of WD-890 Tablets for the Treatment of Moderate to Severe Plaque Psoriasis

Phase 2 Interventional Zhejiang Wenda Pharma Technology LTD. · NCT06912165

This study is testing a new treatment called WD-890 to see if it helps people aged 18 to 70 with moderate-to-severe plaque psoriasis feel better over 16 weeks.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment140 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorZhejiang Wenda Pharma Technology LTD. Academic / other
Locations1 site (Nanjing, Jiangsu)
Trial IDNCT06912165 on ClinicalTrials.gov

What this trial studies

This study aims to assess the efficacy of WD-890 in participants suffering from moderate-to-severe plaque psoriasis over a 16-week treatment period. Participants aged 18 to 70 will be randomized to receive either WD-890 or a placebo, with a total study duration of up to 24 weeks including screening and safety follow-up. The primary focus is to determine the dose response of WD-890 based on the severity of psoriasis as measured by the Psoriasis Area and Severity Index (PASI) and Physician's Global Assessment (sPGA).

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 70 with a diagnosis of plaque psoriasis affecting at least 10% of their body surface area.

Not a fit: Patients with nonplaque forms of psoriasis or uncontrolled hypertension may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with moderate-to-severe plaque psoriasis.

How similar studies have performed: While this approach is not widely tested, similar studies targeting plaque psoriasis have shown promising results with new treatments.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male or female participant aged 18 to 70 years(inclusive)at the time of informed consent.
* Diagnosis of plaque psoriasis for at least 6 months prior to the screening visit.

  ≥10% of BSA involvement at screening visit and randomization;
* 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
* Participant with a history of chronic bacterial infections (e.g., chronic pyelonephritis, chronic bronchiectasis, or chronic osteomyelitis).

Where this trial is running

Nanjing, Jiangsu

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Brief Description of Focus of Study
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.