Document Detail

Interleukin 6 Receptor Blockade in Patients With Neuromyelitis Optica Nonresponsive to Anti-CD20 Therapy.
MedLine Citation:
PMID:  23358868     Owner:  NLM     Status:  Publisher    
OBJECTIVE To report first experiences with interleukin 6 receptor inhibition in therapy-resistant neuromyelitis optica (NMO). DESIGN Retrospective case series. SETTING Neurology department at a tertiary referral center. PATIENTS Patients with an aggressive course of NMO switched to tocilizumab after failure of anti-CD20 therapy. MAIN OUTCOME MEASURES Annualized relapse rate and disability progression measured by the Expanded Disability Status Scale. RESULTS We report 3 female patients with a median age of 39 years (range, 26-40 years) and aquaporin 4-positive NMO. All patients had been treated with different immunosuppressive and immunomodulating agents, followed by 1 to 3 cycles of rituximab. Despite complete CD20-cell depletion during rituximab therapy, the median annualized relapse rate was 3.0 (range, 2.3-3.0) and the median Expanded Disability Status Scale score increased from 5.0 (range, 4.5-7.0) to 6.5 (range, 5.0-7.0). After the switch to tocilizumab (median duration of therapy, 18 months), the median annualized relapse rate decreased to 0.6 (range, 0-1.3). A total of 2 relapses occurred; however, they were mild and there were no changes in clinical disability. CONCLUSIONS Interleukin 6 receptor-blocking therapy can be effective in therapy-resistant cases of NMO. Larger controlled studies are needed to confirm the efficacy of tocilizumab.
Ilya Ayzenberg; Ingo Kleiter; Alexandra Schröder; Kerstin Hellwig; Andrew Chan; Takashi Yamamura; Ralf Gold
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-28
Journal Detail:
Title:  JAMA neurology     Volume:  -     ISSN:  2168-6157     ISO Abbreviation:  JAMA Neurol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101589536     Medline TA:  JAMA Neurol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-4     Citation Subset:  -    
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