Actively Recruiting

Phase 2
Age: 18Years - 70Years
All Genders
NCT07445919

A Clinical Study to Evaluate SM17 for Atopic Dermatitis

Led by SinoMab BioScience Ltd · Updated on 2026-04-06

200

Participants Needed

1

Research Sites

65 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This trial is a phase 2, randomized, double-Blind, placebo-Controlled, dose-finding clinical study conducted in participants with moderate-to-severe atopic dermatitis. The purpose of this study is to evaluate the efficacy, safety, pharmacokinetics , and pharmacodynamics of SM17 (subcutaneous injection) in participants with moderate to severe atopic dermatitis.

CONDITIONS

Official Title

A Clinical Study to Evaluate SM17 for Atopic Dermatitis

Who Can Participate

Age: 18Years - 70Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Willing to sign informed consent and comply with study procedures and follow-ups
  • Able to understand and complete study questionnaires alone or with help
  • Male or female aged 18 to 70 years at consent
  • Diagnosed with atopic dermatitis per Hanifin & Rajka criteria with at least 1-year history
  • Eczema Area and Severity Index (EASI) score of 16 or higher at screening and baseline
  • Investigator's Global Assessment (IGA) score of 3 or higher at screening and baseline
  • Body surface area (BSA) affected by AD is 10% or more at screening and baseline
  • Average maximum itch intensity (Pruritus Numerical Rating Scale) of 4 or higher at baseline
  • History within 6 months of inadequate response or intolerance to topical corticosteroids or calcineurin inhibitors
  • Using mild emollients at least twice daily for 7 consecutive days before randomization
  • Agree to use medically accepted contraception during the study and for 6 months after, and no plans to donate sperm or ova during this time
Not Eligible

You will not qualify if you...

  • Female participants who are pregnant, breastfeeding, or have positive pregnancy test
  • Alcohol or drug abuse within 6 months before screening
  • Abnormal lab results including low hemoglobin, low white blood cell or platelet counts, elevated liver enzymes, high bilirubin, or high serum creatinine
  • Positive tests for hepatitis B, hepatitis C, HIV, or syphilis infections
  • ECG abnormalities indicating serious heart conditions
  • History of certain eye inflammations or skin diseases that interfere with AD diagnosis or evaluation
  • Known or suspected immunosuppressive diseases or recurrent infections
  • Active or recent infections needing systemic treatment within 2 weeks before screening
  • Active or latent tuberculosis
  • History of lymphoma, leukemia, or other cancers within 5 years except certain skin or cervical cancers fully treated
  • Significant medical diseases affecting safety or study participation
  • Allergy to SM17, monoclonal antibodies, or related severe drug allergies
  • Use of systemic corticosteroids, immunosuppressants, Janus kinase inhibitors within 4 weeks before baseline
  • Use of antihistamines or inhaled corticosteroids within 1 week before baseline unless stable and continued during study
  • Recent use of systemic herbal therapy, ultraviolet therapies, or bleach baths before baseline
  • Use of topical corticosteroids, calcineurin inhibitors, traditional Chinese medicine, or phosphodiesterase-4 inhibitors within 1 week before baseline
  • Prior biologic treatments for AD within specified washout periods
  • Prior allergen-specific immunotherapy within 6 months before baseline
  • Use of prescription emollients with active ingredients within 1 week before baseline
  • Major surgery within 3 months before baseline or planned during study
  • Recent blood donation or transfusion within specified timeframes
  • Recent live attenuated vaccine within 3 months before baseline or planned during study
  • Participation in other interventional clinical studies within 6 months before baseline
  • Prior participation in anti-IL-25 or anti-IL-17RB antibody clinical studies
  • Other conditions judged by investigator as risk or interference for study participation

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Peking University People's Hospital

Beijing, China

Actively Recruiting

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Research Team

G

Guolin XU

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

6

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