Long-term experience with rituximab in anti-synthetase syndrome-related interstitial lung disease

被引:167
作者
Andersson, Helena [1 ,2 ]
Sem, Marthe [2 ]
Lund, May Brit [3 ]
Aalokken, Trond Mogens [4 ]
Gunther, Anne [4 ]
Walle-Hansen, Ragnhild [5 ]
Garen, Torhild [2 ]
Molberg, Oyvind [1 ,2 ]
机构
[1] Oslo Univ Hosp, Inst Clin Med, N-0424 Oslo, Norway
[2] Oslo Univ Hosp, Dept Rheumatol, N-0424 Oslo, Norway
[3] Oslo Univ Hosp, Dept Resp Med, N-0424 Oslo, Norway
[4] Oslo Univ Hosp, Dept Radiol, N-0424 Oslo, Norway
[5] Oslo Univ Hosp, Dept Orthopaed Surg, Oslo, Norway
关键词
rituximab; anti-synthetase syndrome; myositis; anti-aminoacyl tRNA synthetase; anti-Jo1; interstitial lung disease; IDIOPATHIC INFLAMMATORY MYOPATHIES; RESOLUTION COMPUTED-TOMOGRAPHY; JUVENILE DERMATOMYOSITIS; PULMONARY-FIBROSIS; REFRACTORY ADULT; POLYMYOSITIS; THERAPY; AUTOANTIBODIES; PNEUMONIA; SURVIVAL;
D O I
10.1093/rheumatology/kev004
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective. To retrospectively evaluate the efficacy and safety of rituximab (Rtx) treatment in patients with anti-synthetase syndrome (ASS) and severe interstitial lung disease (ILD). Methods. Patients with severe ILD and > 12 months follow-up post-Rtx were identified from the Oslo University Hospital ASS cohort (n = 112). Clinical data, including pulmonary function tests (PFTs), were retrospectively collected from medical reports. Extent of ILD pre-, and post-Rtx was scored on thin-section high-resolution CT (HRCT) images and expressed as a percentage of total lung volume. Muscle strength was evaluated by manual muscle testing of eight muscle groups (MMT8). Results. Altogether, 34/112 ASS patients had received Rtx; 24/34 had severe ILD and > 12 months follow-up post-Rtx (median 52 months). In these 24 patients, the median percentage of predicted forced vital capacity, forced expiratory volume in 1 s (FEV1) and diffusing capacity of the lungs for carbon monoxide (DLCO) increased by 24%, 22% and 17%, respectively, post-Rtx. Seven patients (all with disease duration < 12 months and/or acute onset/exacerbation of ILD) had > 30% improvement in all three PFTs. HRCT analysis showed a median 34% reduction in ILD extent post-Rtx. MMT8 score increased post-Rtx. During follow-up, 7/34 (21%) Rtx-treated ASS patients died; 6/7 deaths were related to infections. The mortality rate in the Rtx-treated group was comparable to that of the remaining ASS cohort (25/78 deceased; 32%). Conclusion. This study, which included 24 Rtx-treated ASS patients with severe ILD, reports improved PFTs after a median 52 months follow-up post-Rtx. The best outcome was observed in patients with a disease duration < 12 months and/or acute onset/exacerbation of ILD. The study indicates that Rtx could be a treatment option for selected ASS patients, but infections should be given attention. Key words: rituximab, anti-synthetase syndrome, myositis, anti-aminoacyl tRNA
引用
收藏
页码:1420 / 1428
页数:9
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