A Phase II Clinical Study Evaluating of ZL-82 Tablets in Atopic Dermatitis

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorChengdu Zenitar Biomedical Technology Co., Ltd

About this trial

This clinical trial aims to explore whether the drug ZL-82 tablets can be used to treat moderate to severe atopic dermatitis in adults, and to understand the safety and tolerability of the drug. The main questions that the trial intends to answer are: Can ZL-82 tablets alleviate the Eczema Area and Severity Index (EASI) score of patients? What physical problems will patients have after taking ZL-82 tablets? The researchers will compare ZL-82 tablets with placebo (a substance with a similar appearance but without drug components) to observe whether ZL-82 tablets can be used to treat moderate to severe atopic dermatitis. Participants need to take ZL-82 tablets or placebo every day for 16 weeks, and visit the hospital for a check-up every two weeks; record their own symptoms and the percentage change of EASI score relative to the baseline.

Eligibility criteria

Qualifiers

Male or female individuals aged 18 years and above and 75 years and below (inclusive of the threshold value, based on the date of signing the ICF), with BMI >= 19 kg/m2.

Participants are fully informed of the purpose and requirements of this trial, and voluntarily sign the informed consent form.

According to the Hanifin & Rajka diagnostic criteria (≥ 3 out of 4 main 4, >= 3 out of 23 secondary symptoms, see Appendix 1), diagnosed as AD by the investigators, and with a history of AD for >= 1 year before screening.

IGA score of 3 or 4;

Disqualifiers

Allergy to the test drug or any component thereof, or allergy or intolerance to other oral Janus kinase (JAK) inhibitors.

Individuals with a history of major diseases: This includes but is not limited to those with a history of diseases in the digestive system, cardiovascular system, respiratory system, musculoskeletal system, endocrine system, nervous and mental system, hematological system, immune system disorders, thromboembolic diseases (or individuals at high risk of thromboembolism), and metabolic abnormalities, or those who have undergone major surgeries, or any other diseases or physiological conditions that the investigator deems may affect the trial results.

Family Planning: a. Pregnant or lactating women; b. Throughout the entire study period, all participants or their spouses (or partners) who have reproductive capacity must ensure to take effective contraceptive measures from the moment of signing the informed consent form until 90 days after the last administration of the drug (contraceptive measures and requirements are detailed in Appendix III); c. Those who plan to donate eggs or sperm during the trial period and within 3 months after the last administration.

Those who have a history of malignant tumors in the past, including solid tumors and hematological malignancies (excluding basal cell carcinoma and cutaneous squamous cell carcinoma that have been removed or cured).

Trial design

Treatments tested in this trial

  • The high-dose group of ZL-82 tablets
  • The low-dose group of ZL-82 tablets
  • The placebo group

Treatment groups

111 Participants
are divided into 3 treatment groups