Current Studies Clinical trials are vital in developing and evaluating new treatments for children with rheumatologic diseases. A list of our current studies can be found below. TitleSponsor Study of Oral Upadacitinib and Subcutaneous/Intravenous Tocilizumab to Evaluate Change in Disease Activity, Adverse Events and How Drug Moves Through the Body of Pediatric and Adolescent Participants With Active Systemic Juvenile Idiopathic Arthritis. (SELECT-sJIA)AbbVie A Study to Evaluate the Pharmacokinetics, Safety, and Tolerability of Upadacitinib in Pediatric Subjects With Polyarticular Course Juvenile Idiopathic ArthritisAbbvie An Efficacy and Safety Study of Intravenous Anifrolumab to Treat Systemic Lupus Erythematosus in Pediatric Participants (SLE)AstraZeneca An Observational Registry of Abatacept in Patients With Juvenile Idiopathic ArthritisBristol-Myers Squibb A Multi-center, Randomized, Placebo-Controlled Trial to Evaluate the Safety, Efficacy, and Pharmacokinetics of Belimumab, a Human Monoclonal Anti-BLyS Antibody, Plus Standard Therapy in Pediatric Patients With Systemic Lupus ErythematosusGlaxoSmithKline A Multi-Center, Open-Label Trial to Evaluate the Pharmacokinetics, Safety, and Pharmacodynamics of Subcutaneously Administered Belimumab, a Human Monoclonal Anti-BLyS Antibody, Plus Standard Therapy in Pediatric Participants with Systemic Lupus Erythematosus (SLE)GlaxoSmithKline A Study of Ustekinumab or Guselkumab in Pediatric Participants With Active Juvenile Psoriatic Arthritis (PSUMMIT-Jr)Janssen Research & Development, LLC