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Pharmacokinetics, Efficacy and Safety of Abatacept Administered Subcutaneously (SC) in Children and Adolescents With Active Polyarticular Juvenile Idiopathic Arthritis (pJIA) and Inadequate Response (IR) to Biologic or Non Biologic Disease Modifying Anti-rheumatic Drugs (DMARDs)


About the study

The purpose of this study is to estimate Abatacept steady-state trough concentration (Cmin) at Day 113 in children and adolescents with pJIA

Who can take part

You may be eligible to participate in the study if you meet the following criteria:


  1. JIA subjects (male or female), ages 2-17 years with active disease who had an insufficient therapeutic response or intolerance to at least one non biologic DMARD or Tumor Necrosis Factor (TNFα) antagonists for at least 3 months prior to screening
  2. Subjects with TNFα inadequate response (or prior biologic) will be restricted to 30% of the population
  3. Subjects must have a history of at least 5 joints with active disease and must have currently active articular disease with ≥2 active joints and ≥2 joints with limitation of motion.


  1. Subjects with other rheumatic diseases or major chronic inflammatory/immunologic diseases, active uveitis, systemic JIA with active systemic features (within a period of 6 months prior to enrollment), persistent Oligoarthritis JIA, or failed 3 or more TNFα antagonists or other biological DMARDs will be excluded.
  2. Active systemic disease: (ie, extra-articular features of systemic JIA including fever, rash, organomegaly) within a period of 6 months prior to randomization.
  3. Subjects who have failed more than two TNFα antagonists or other biologic DMARDs
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Study Locations

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How to Apply

Contact the study center to learn if this study is a good match for you.
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Study’s details


Active Polyarticular Juvenile Idiopathic Arthritis,Active Polyarticular Juvenile Idiopathic Arthritis (pJIA)




Phase 3

Participants needed


Est. Completion Date

Mar 2023

Treatment type



Bristol-Myers Squibb identifier


Study number


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