Arthritis Clinical Trials

• Male and female patients, with the remaining before age 2 years old or more and \& lt; 18 years old;

• 2001 ILAR classification criteria for the diagnosis of confirmed sJIA 2 or more months: onset age must \& lt; At 16 years of age, symptoms included: ≥1 case of arthritis, accompanied by or prior to ≥2 weeks of recurrent fever, including remittenor fever for ≥3 consecutive days (maximum daily body temperature ≥39 ° C, body temperature falling below 37 ° C between 2 heat peaks), accompanied by at least one of the following symptoms: ① a transient, non-fixed erythematous rash; ② systemic lymph node enlargement; Swelling of the liver and/or spleen; ④ Serositis.

• Agree to use effective means of contraception throughout the study period and for 6 months after the end of treatment.