An Open-Label Multiple-Dose Study to Evaluate the Pharmacokinetics, Safety, and Tolerability of Upadacitinib in Pediatric Subjects With Polyarticular Course Juvenile Idiopathic Arthritis

  • End date
    Aug 17, 2027
  • participants needed
  • sponsor
Updated on 25 October 2022


This is a study to evaluate pharmacokinetics, safety and tolerability of upadacitinib in pediatric participants with polyarticular course juvenile idiopathic arthritis. This study consists of three parts: Part 1 is multiple-cohort study that consists of two sequential multiple dose groups. Participants benefiting from the study drug with no ongoing adverse events of special interest or serious adverse events will have option to enroll in Part 2. Part 2 is open-label, long term extension study to evaluate safety and tolerability. Part 3 is an additional safety cohort to evaluate long-term safety and tolerability.

Condition Juvenile Idiopathic Arthritis (JIA)
Treatment Upadacitinib
Clinical Study IdentifierNCT03725007
Last Modified on25 October 2022


Yes No Not Sure

Inclusion Criteria

Participant have total body weight of 10 kg or higher at the time of screening
Participant diagnosed with pcJIA (rheumatoid factor-positive or rheumatoid factor-negative polyarticular JIA, extended oligoarticular JIA, or systemic JIA with active arthritis and without active systemic features) with a history of arthritis affecting at least 5 joints during the first 6 months of disease (for extended oligoarticular JIA: <=4 joints during first 6 months of disease and >4 joints thereafter)
Participant have 5 or more active joints at the time of screening, defined as the presence of swollen joints (not due to deformity) or, in the absence of swelling, joints with the limitation of movement (LOM) plus pain on motion and/or tenderness with palpitation, with LOM present in at least three of the active joints
If receiving methotrexate (MTX), have been taking MTX for at least 12 weeks immediately before and including Study Day 1 on a stable dose of 10 to 20 mg/m2 for at least 8 weeks before and including Study Day 1; in addition, participants should take either folic acid or folinic acid according to local standard of care
If on oral glucocorticosteroids, must have been taking oral glucocorticosteroids at a stable dose (no greater than 10 mg/day or 0.2 mg/kg/day, whatever is lower) for at least 1 week before and including Study Day 1

Exclusion Criteria

Participant with diagnosis of enthesitis-related arthritis (ERA) or juvenile psoriatic arthritis (JPSA)
Participant have prior exposure to JAK inhibitor
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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