National registry for children with Juvenile Idiopathic Arthritis in Canada

The Canadian Alliance of Pediatric Rheumatology Investigators National Juvenile Idiopathic Arthritis Registry

Observational University of British Columbia · NCT03245801

This study is collecting information about children in Canada with Juvenile Idiopathic Arthritis to see how the disease affects them and how different treatments work over time.

Quick facts

Study typeObservational
Enrollment1238 (estimated)
AgesN/A to 18 Years
SexAll
SponsorUniversity of British Columbia Academic / other
Drugs / interventionsmethotrexate
Locations15 sites (Calgary, Alberta and 14 other locations)
Trial IDNCT03245801 on ClinicalTrials.gov

What this trial studies

The CAPRI National Juvenile Idiopathic Arthritis Registry collects longitudinal data on Canadian children diagnosed with Juvenile Idiopathic Arthritis (JIA) to better understand the disease's course, outcomes, and adverse events. This observational registry aims to inform healthcare decisions and improve treatment strategies by leveraging data from pediatric rheumatology experts across Canada. By tracking newly diagnosed patients and those from previous studies, the registry seeks to provide insights into the effectiveness of various treatment approaches and the overall prognosis for affected children.

Who should consider this trial

Good fit: Ideal candidates for this registry are children newly diagnosed with JIA within the last three months.

Not a fit: Patients with an unconfirmed JIA diagnosis or those diagnosed more than three months prior may not benefit from this registry.

Why it matters

Potential benefit: If successful, this registry could lead to improved treatment strategies and better health outcomes for children with Juvenile Idiopathic Arthritis.

How similar studies have performed: Other registries and studies focused on JIA have shown success in improving understanding and treatment of the condition, indicating that this approach is promising.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. All patients newly diagnosed with JIA within the last 3 months
2. All patients who participated in the original ReACCh-Out study
3. LEAP study patients from 'newly diagnosed' and 'ReACCh-Out' cohorts who have completed their two year follow up in LEAP

Exclusion Criteria:

1. Patients with an unconfirmed JIA diagnosis
2. Patients diagnosed with JIA more than 3 months prior to the clinic visit, who were not followed in LEAP and /or ReACCh-Out studies.
3. If the family as a whole is unable to answer questionnaires in English or French

Where this trial is running

Calgary, Alberta and 14 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Juvenile Idiopathic ArthritisJuvenile idiopathic arthritisCanadaRegistryClinical outcomesAdverse eventsCAPRI
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.