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Prevention of MTX induced psychological intolerance in children with Juvenile Idiopathic arthritis.

Conditions
Patients with JIA (all subtypes) aging 4 to 17 years
Registration Number
NL-OMON25952
Lead Sponsor
none (investigator driven)
Brief Summary

pilot study submitted to Clin Exp Rheumatology

Detailed Description

Not available

Recruitment & Eligibility

Status
Pending
Sex
Not specified
Target Recruitment
130
Inclusion Criteria

1. Diagnosis: all subtypes JIA according to ILAR classification;
2. Ages 4 to 17 years;
3. MTX oral (dosing 10-20mg/m2/week);
4. Other medication: NSAID, biologicals (etanercept, infliximab, anakinra) allowed.

Exclusion Criteria

1. MTX parenteral;
2. Other diagnosis;
3. Steroid usage (more than 0.2mg/kg/day);
4. Other MTX related side effects.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
1. The number of patients continuing MTX;<br>2. Number of patients reporting gastrointestinal side effects;<br>3. JIA disease activity parameters.<br>Measured: 0, 3, 6 and 12 months.
Secondary Outcome Measures
NameTimeMethod
1. JIA disease activity parameters (PRINTO core set criteria);. <br>2. Metabolomics and folate/homocysteine/adenosine metabolites;<br>3. Inflammation parameters (ESR, CRP, cytokine profiles, Tregs, MMR antibodies);<br>4. MTX related cytopenias.<br>Measured: 0, 3, 6 and 12 months.
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