Psoriatic Arthritis
Conditions
Brief summary
This study is a phase 3 study,to evaluate the efficacy and safety of different doses of JAK1 inhibitor SHR0302 in subjects with active psoriatic arthritis.
Interventions
SHR0302 tablets dose 1 for 48 weeks
SHR0302 tablets blank preparation for 24 weeks then SHR0302 tablets dose 1/dose 2 for 24 weeks
Sponsors
Study design
Intervention model description
SHR0302 tablets compared with placebo
Eligibility
Inclusion criteria
1. Provide signed informed consent; 2. Diagnosis of PsA fulfillment of the Classification Criteria for PsA (CASPAR) criteria with symptom onset at least 6 months prior to the Screening Visit; 3. Active arthritis at screening/baseline as indicated by \>/= 3 tender/painful and 3 swollen joints; 4. Diagnosis of active plaque psoriasis or documented history of plaque psoriasis.
Exclusion criteria
1. History of other autoimmune diseases; history of cancer or infection including tuberculosis and hepatitis; history of important cardiovascular events or thrombotic diseases; 2. Non-plaque forms of psoriasis (with exception of nail psoriasis); 3. Previous treatment with cytotoxic drugs; JAK inhibitor or bDMARDs within 6 months of randomization.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| ACR20 response rate at week 24 | Week 24 | Percentage of Participants Meeting American College of Rheumatology Response Criteria Greater Than or Equal to (≥) 20% (ACR20) at week 24 |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| ACR20 response rate at week 48 | Week 48 | Percentage of Participants Meeting American College of Rheumatology Response Criteria Greater Than or Equal to (≥) 20% (ACR20) at week 48 |
| ACR50/70 response rate at week 24 and week 48 | Week 24 and week48 | Percentage of Participants Meeting American College of Rheumatology Response Criteria Greater Than or Equal to (≥) 50%/70% (ACR50/70) at week 24 and week 48 |
| Change from baseline in DAS28-CRP week 24 and week 48 | Week 24 and week 48 | Change from baseline in the disease activity score-CRP(DAS 28-CRP) at week 24 and week 48 |
Countries
China