Juvenile Idiopathic Arthritis (JIA) Measles, Mumps, Rubella Vaccination
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. All subtypes of JIA according to ILAR criteria; 2. Ages 4 to 8
Exclusion criteria
Exclusion criteria: 1. Use of Infliximab (Remicade, anti-TNF alpha therapy). 2. Use of Anakinra (Kineret, human interleukine-1-receptorantagonist) 3. Participation in another (drug) trial 4. Primary immunodeficiency 5. Fever less than 48 hour prior to vaccination (here the moment of vaccination will be postponed for 1 month) 6. Evidence of viral or bacterial infection less than 48hours prior to vaccination (here the moment of vaccination will be postponed for 1 month) 7. Methylprednisolon pulse therapy less than 1 month prior to vaccination (in these cases, the moment of vaccination will be postponed for 1 month)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safety of MMR vaccination, according to: 1. JIA disease activity (defined by internationally validated core set criteria, number of disease flares in the 12 months after MMR vaccination and medication use) Measles, mumps or rubella infections 2. Efficacy of MMR booster, defined by specific antibodies against measles, mumps and rubella. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcome measures are: 1. Number of Tregs, that are capable to suppress proliferation in vitro. 2. Presence of anti-inflammatory cytokine profiles following MMR booster 3. Number and function of MMR-specific T cells | — |
Contacts
Universitary Medical Center Utrecht, Wilhelmina Children's Hospital