Abstract
Objective: To assess the effect of measles, mumps and rubella (MMR) vaccination on disease activity in children with juvenile idiopathic arthritis (JIA).
Methods: A retrospective observational multicentre cohort study was performed in 314 patients with JIA, born between 1989 and 1996. Disease activity and medication use were compared during the period of 6 months before vaccination versus 6 months after vaccination. Disease activity was measured by joint counts, the Physician's global assessment scale and erythrocyte sedimentation rate. Next, we compared disease activity in patients vaccinated between 8 and 9 years of age with the activity in patients who had not been vaccinated at this time ( who received MMR between the ages of 9 and 10 years).
Results: No increase in disease activity or medication use was seen in the 6 months after MMR vaccination (n = 207), including in patients using methotrexate ( n = 49). No overt measles infections were noted. When disease activity in vaccinated patients ( n = 108) was compared with activity in those not yet vaccinated ( n = 86), there were no significant differences.
Conclusions: The MMR booster vaccination does not seem to aggravate disease activity in JIA. This indicates that the most patients with JIA can be vaccinated safely with the MMR vaccine. A prospective study is recommended.
| Original language | English |
|---|---|
| Pages (from-to) | 1384-1387 |
| Number of pages | 4 |
| Journal | Annals of the Rheumatic Diseases |
| Volume | 66 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct-2007 |
Keywords
- RHEUMATOID-ARTHRITIS
- PRELIMINARY DEFINITION
- CHILDREN
- DISEASE
- IMMUNIZATION
- JOINT
- FLARE
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