Clinical trial No longer in our active list Phase 3 Interventional Ages 18 to 75

Evaluating a new treatment for moderate to severe atopic dermatitis

Official title: A Multi-Centered, Randomized, Double-Blinded, Placebo-Controlled Phase Ⅲ Clinical Trial to Evaluate the Efficacy and Safety of 611(Recombinant Humanized Anti-interleukin-4 Receptor Alpha IgG4 Monoclonal Antibody) When Used In Combination With Topical Corticosteroid Treatment (TCS) in Participants With Moderate to Severe Atopic Dermatitis.

Run by Sunshine Guojian Pharmaceutical (Shanghai) Co., Ltd. · NCT06554847 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study is testing a new treatment for people with moderate to severe atopic dermatitis to see if it works better when combined with standard creams than just using the creams alone.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment400 (estimated)
SponsorSunshine Guojian Pharmaceutical (Shanghai) Co., Ltd.
Industry-sponsored
Locations3 sites (Shanghai, Shanghai and 2 other locations)
Trial IDNCT06554847 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 to 75 with a history of moderate to severe atopic dermatitis that has not responded well to topical medications.

Probably not a fit

Patients who have previously participated in a 611 clinical study or those with serious uncontrolled diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial is a randomized, double-blind, placebo-controlled study designed to assess the safety and efficacy of a new treatment, referred to as 611, in combination with topical corticosteroids for patients suffering from moderate to severe atopic dermatitis. Participants will be randomly assigned to receive either the treatment or a placebo alongside standard corticosteroid therapy. The study aims to determine whether the addition of 611 can improve outcomes for patients who have not responded adequately to existing topical treatments.

Why it matters

Potential benefit: If successful, this treatment could provide significant relief and improved management for patients with moderate to severe atopic dermatitis.

How similar studies have gone: While this approach is being evaluated in this trial, similar studies have shown promise in improving treatment outcomes for atopic dermatitis.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male or female adults ages 18 to 75 years old when signing the informed consent.
* AD (according to Hanifin-Rajka Criteria) that had been present for at least 1 years before the screening visit.
* Moderate to Severe Atopic Dermatitis.
* Recent history of inadequate response to treatment with topical medications.

Exclusion Criteria:

* Participation in a prior 611 clinical study.
* Treatment with the following prior to the baseline visit: 1) Systemic corticosteroid or Immunosuppressants / Immunomodulators within 4 weeks or within 5 half-lives (if known), whichever is longer. 2) Monoclonal antibody within 5 half-lives (if known) or 4 months, whichever is longer. 3) Cell-depleting within 6 months.
* Treatment with a live (attenuated) vaccine within 2 months of the baseline visit or planned during the study.
* Serious or Uncontrolled diseases that may affect the safety of participants during the study period or hinder their completion of the study.
* Evidence of active acute or chronic hepatitis.
* History of malignancy within 5 years before the screening visit or currently.
* Pregnant or breastfeeding women, or women planning to become pregnant.
* Any history of vernal keratoconjunctivitis (VKC) and atopic keratoconjunctivitis (AKC).

Where it's running

  • Shanghai Dermatology Hospital
    Shanghai, Shanghai, China
    Recruiting
  • Hangzhou First People's Hospital
    Hangzhou, Zhejiang, China
    Recruiting
  • The First Affiliated Hospital of Ningbo University
    Ningbo, Zhejiang, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.