Status:

NOT_YET_RECRUITING

A Phase 2 Study to Evaluate the Efficacy, Safety of SIM0278 in Subjects With Moderate to Severe Atopic Dermatitis

Lead Sponsor:

Jiangsu Simcere Pharmaceutical Co., Ltd.

Conditions:

Atopic Dermatitis (AD)

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

This is a randomized, double-blind, placebo-controlled multicenter clinical study to evaluate the efficacy, safety, and pharmacokinetics of SIM0278 in adult patients (18-75 years) with moderate to sev...

Eligibility Criteria

Inclusion

  • Atopic dermatitis was diagnosed at screening (according to the American Academy of Dermatology consensus criteria for atopic dermatitis, 2014);
  • Use of a stable dose of emollients at least twice daily at sites of AD involvement starting at least 7 days prior to baseline;Alternatively, if the subject is using a prescribed emollients or moisturizers containing ceramide, urea, filaggrin degradation products, or hyaluronic acid prior to the Screening Visit, they may continue in the study but require a stable dose at least twice daily at the AD affected site starting at least 7 days prior to baseline;
  • Female and male subjects are willing to use protocol-required contraception from the Screening Visit until at least 90 days after the last dose and do not plan to become pregnant or donate sperm/eggs during this period.

Exclusion

  • The subject was in an acute exacerbation of AD at baseline (e.g., the subject had a tendency to rapidly develop erythroderma or erythroderma in a short period of time, whichever was judged by the investigator);
  • Previous drug therapy with IL-2 or IL-2 analogues (including clinical studies);
  • Use of other immunomodulatory biologics within 3 months prior to baseline or within 5 drug half-lives, whichever is longer, including, but not limited to, anti-IL-23 (e.g., guselkumab), anti-IL-12/23 (e.g., ustekinumab), anti-IL-17 (e.g., secukinumab), or anti-IgE (e.g., omalizumab);
  • Use of cell depleting agents (e.g. rituximab) within 6 months prior to baseline;
  • Use of topical drugs for the treatment of AD or that may affect the assessment of the condition of AD within 2 weeks prior to baseline, including but not limited to TCS, TCI, phosphodiesterase-4 (PDE-4) inhibitors, Janus kinase (JAK) inhibitors, aromatic hydrocarbon receptor agonists, or Chinese herbal or herbal treatments, etc.;
  • ≥ 2 bleaching baths per week within 2 weeks prior to baseline;
  • Systemic treatment (except glucocorticoid inhalers and nasal sprays) with glucocorticoids or other immunosuppressive/immunomodulatory drugs (e.g., cyclosporine, mycophenolate mofetil, azathioprine, methotrexate, or oral JAK inhibitors) within 8 weeks prior to baseline;
  • Use of systemic Chinese herbal medicine within 4 weeks prior to baseline ;
  • Phototherapy (narrow-band ultraviolet B (NBUVB), ultraviolet B (UVB), ultraviolet A (UVA), psoralen + ultraviolet A (PUVA)) tanning beds or any other phototherapy within 4 weeks prior to baseline;
  • Use of any investigational drug/therapy within 3 months or 5 drug half-lives (whichever is longer) prior to baseline;

Key Trial Info

Start Date :

October 27 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 20 2027

Estimated Enrollment :

184 Patients enrolled

Trial Details

Trial ID

NCT07175233

Start Date

October 27 2025

End Date

August 20 2027

Last Update

September 23 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Affiliated Hangzhou First People's Hospital, School of Medicine , West Lake University

Hangzhou, China

2

The First Hospital of China Medical University

Shenyang, China