Treatment of Polyarticular JIA with Active Enthesitis When TNF Inhibitors Are Contraindicated
Clinical Scenario
This protocol addresses patients under 16 years with juvenile idiopathic arthritis who have active enthesitis — tenderness and/or swelling at tendon-to-bone insertion sites that requires medical treatment — and a contraindication to TNF inhibitors. This combination defines a distinct therapeutic challenge requiring a tailored first-line approach.
Key Conditions
Juvenile idiopathic arthritis
Active enthesitis
TNFi contraindicated
Age < 16 years
Affected patients are most likely from the enthesitis-related arthritis, psoriatic arthritis, and undifferentiated arthritis categories, though any JIA subtype may be represented. Active enthesitis here means tenderness and/or swelling at the entheses that the treating provider has determined requires medical treatment.
Approach Overview
When TNF inhibitors are not an option, oral disease-modifying therapy is among the approaches considered for this population. Physical therapy is also an important component for patients who have or are at risk for functional limitations. The complete protocol — including specific agents, sequencing, and supporting therapies — is available via the link below.
References
DOI: 10.1002/acr.23870
- This group is intended to include patients with enthesitis (inflammation at tendon-to-bone insertion sites) who will also most likely be from the ILAR categories of enthesitis-related arthritis, psoriatic arthritis, and undifferentiated arthritis but may include patients from any of the ILAR JIA categories.
- For the purposes of this guideline, active enthesitis is tenderness and/or swelling of the entheses determined to require medical treatment per the treating provider.
- The Voting Panel discussed that a trial of methotrexate or sulfasalazine may be warranted for patients with contraindications to TNFi, patients with mild enthesitis, and patients with concomitant active peripheral polyarthritis.
- In children and adolescents with JIA and enthesitis who have or are at risk for functional limitations, using PT is conditionally recommended.
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