About this trial
This study is a randomized, double-blind, multi-center, parallel, phase II clinical trial, aiming to evaluate the efficacy and safety of SHR-1139 injection for adult patients with psoriasis. The trial includes a 4-week screening period, a 52-week treatment period, and a 12-week safety follow-up period. Approximately 60 patients with psoriasis are expected to participate.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
During the screening process, the body mass index (BMI = weight (kg) / height² (m²)) was ≥ 18 kg/m²;
History of plaque psoriasis for more than 6 months before randomization;
The PASI score, sPGA score, and BSA at the screening and baseline required certain requirements;
Participants suitable for phototherapy or systemic psoriasis treatment for moderate to severe plaque psoriasis;
Disqualifiers
The diagnosed psoriasis at the screening or baseline stage is not chronic plaque-type psoriasis;
Has drug-induced psoriasis;
Has other skin problems that the investigator considers would interfere with the assessment of psoriasis;
Has concurrent other active autoimmune diseases, including but not limited to rheumatoid arthritis, systemic lupus erythematosus, scleroderma, polymyositis, multiple sclerosis or other central demyelinating diseases, primary Sjögren's syndrome, etc.;
Trial design
Parallel
Treatments tested in this trial
The SHR-1139 injection
DrugThe SHR-1139 injection
placebo
Drugplacebo
Treatment groups
Trial outcomes
Primary outcomes
The proportion of participants who achieved a 100% improvement in the Psoriasis Area and Severity Index (PASI) score compared to the baseline by the 12th week (PASI 100).
Secondary outcomes
The proportion of participants who achieved a minimum improvement of at least 75% in PASI compared to the baseline (PASI 75) in the 12th week;
The proportion of participants who achieved a minimum improvement of at least 90% in PASI compared to the baseline (PASI 90) in the 12th week
The proportion of participants who achieved a sPGA response of 0 or 1 (sPGA 0/1) as assessed by the static physician in the 12th week
The proportion of participants who achieved a sPGA response of 0 (sPGA 0) in the 12th week
Sponsors and contacts
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