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Effectiveness of anti-TNF-α agents in the treatment of refractory juvenile dermatomyositis
Pediatric Rheumatology volume 9, Article number: O29 (2011)
Background
Juvenile dermatomyositis (JDM) is a rare, chronic inflammatory disease. Anti-TNF-α agents are increasingly being used to treat disease that is refractory to other treatments. There is a lack of literature regarding the effectiveness of anti-TNF-α agents in JDM.
Aim
To assess the response of refractory JDM patients to anti-TNF-α agents.
Methods
The Juvenile Dermatomyositis National (UK and Ireland) Cohort Biomarker Study and Repository for Idiopathic Inflammatory Myopathies database was searched for patients treated with anti-TNF-α agents.
Results
INFLIXIMAB: 28/30(93%) patients had data available. Indicators for starting infliximab were: muscle weakness (70%), non-ulcerative skin disease (57%), calcinosis (33%), and nail fold changes (30%). All patients with a low CMAS (n=18) improved. Physician VAS improved in 20/26(77%), CHAQ score in 11/16(69%), skin disease in 19/23(83%), calcinosis in 6/13(46%) and muscle enzymes in 6/10(60%). Prednisolone dose decreased in 17/21(81%).
ADALIMUMAB: 10/11(91%) had previously been treated with infliximab. 6/10(60%) were changed to improve disease control: 4 had persistent skin disease, 2 improved; 3 had progressive calcinosis, 1 improved, 2 remained stable. 8/9(89%) maintained previous gains or made further improvement in other parameters other than skin and calcinosis.
ETANERCEPT: 4/7(57%) patients had data available. 2 improved, 2 were switched to infliximab, one for increasing calcinosis, one for compliance issues.
Conclusions
Infliximab provides clinical benefit to patients with JDM refractory to other treatments; particularly muscle weakness. Switching to adalimumab benefited some patients; gains made on infliximab were maintained in most cases.
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This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Boulter, E., Beard, L., Ryder, C. et al. Effectiveness of anti-TNF-α agents in the treatment of refractory juvenile dermatomyositis. Pediatr Rheumatol 9 (Suppl 1), O29 (2011). https://doi.org/10.1186/1546-0096-9-S1-O29
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DOI: https://doi.org/10.1186/1546-0096-9-S1-O29
Keywords
- Infliximab
- Myopathy
- Adalimumab
- Skin Disease
- Calcinosis