New shot shows promise for tough eczema in phase 3 trial
NCT ID NCT06477835
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a biologic drug called SIM0718 in 259 adults and teens with moderate to severe atopic dermatitis (eczema) that did not respond well to creams. Participants received either the drug or a placebo every two weeks for 16 weeks. The goal was to see if the drug could significantly improve skin symptoms like redness and itching.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SIM0718 (a biologic injection)
- What this could lead to
- If it works, this could offer a new treatment option for people with moderate to severe eczema that is not controlled by creams.
- What could go wrong
- This is a completed Phase 3 trial, but results are not yet published. The drug may not work better than placebo, and side effects like infections are possible with biologics.
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
-
Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
-
259 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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Dec 2025
- Lead sponsor
-
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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12 to 75 years
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: 1. Age ≥ 12 and ≤ 75 years, male or female, and body weight ≥ 40 kg at the screening visit. 2. Diagnosis of atopic dermatitis at screening (according to the American Academy of Dermatology Concordance Criteria, 2014), and: 1) Adult diagnosed AD for ≥ 12 months and adolescent diagnosed AD for ≥ 6 months prior to screening; 2) Inadequate response or intolerance to topical medications, or is medically inappropriate for topical treatment judged by the investigator within 6 months prior to Screening; 3) At Screening and Baseline,IGA score ≥3; 4)At Screening and Baseline, EASI score ≥ 16; 5) At Screening and Baseline,total AD involvement ≥ 10% BSA; 6) Baseline peak pruritus NRS score ≥ 4. Exclusion Criteria: 1. Not enough washing-out period for previous therapy. 2. History of any of the following: 1\) History of significant immune reactions (eg, serum sickness, anaphylaxis, or delayed hypersensitivity) to any other biologic agent or any excipient of SIM0718; 2) Presence of other active skin comorbidities other than AD that may interfere with study assessments, such as scabies, skin lymphoma, or psoriasis; 3) Active keratoconjunctivitis and atopic keratoconjunctivitis at screening; or previous history of recurrent keratoconjunctivitis and atopic keratoconjunctivitis; 4) Patients with active tuberculosis (TB), latent TB, or a history of nontuberculous mycobacterial infection at screening; 5) HBsAg positive at screening; or HBcAb positive with HBV-DNA positive; or hepatitis C antibody positive with HCV RNA polymerase chain reaction positive; or HIV serology positive; 6) Systemic treatment with antibiotics, antivirals, antiparasitic agents, antiprotozoal agents, or antifungal agents for infections within 4 weeks prior to baseline, or superficial skin infections within 1 week prior to baseline that could interfere with study assessments (subjects could be re-screened after resolution of infection); 7) History of parasitic infection within 6 months prior to baseline; 8) According to the investigator 's judgment, known or suspected history of immunosuppression within 6 months prior to baseline, including but not limited to history of invasive opportunistic infections, such as aspergillosis, coccidioidomycosis, histoplasmosis, HIV, listeriosis, pneumocystis disease or tuberculosis; or the presence of abnormal frequent recurrent or persistent infections; 9) History of malignancy within 5 years prior to screening. 3\. Planned major surgical procedures during the study. 4\. History of alcohol or drug abuse within 2 years before screening. 5\. Any other condition that, in the judgment of the investigator, would make participation in this study inappropriate. 6\. Female subjects of childbearing potential, who experience any of the following * Positive serum pregnancy test or positive urine pregnancy test before baseline * Pregnant or breastfeeding women, or women planning to become pregnant or breastfeeding during the study who are unwilling to use at least one highly effective form of birth control throughout the study and for 90 days after the last dose of study drug.
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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.
Contacts and locations
Locations
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Peking University People's Hospital
Beijing, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can an eczema drug reshape the Skin's microbial community?