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Low-dose rituximab treatment for new-onset generalized myasthenia gravis.

Authors:
Huining Li Zhenning Huang Dongmei Jia Huiru Xue Jing Pan Meini Zhang Kaibin Shi Fu-Dong Shi Chao Zhang

J Neuroimmunol 2021 Feb 24;354:577528. Epub 2021 Feb 24.

Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China. Electronic address:

The aim of this retrospective case series study was to evaluate the response and durability of rituximab in patients with new-onset acetylcholine receptor positive (AChR +) generalized myasthenia gravis (MG). Patients were initiated with low-dose rituximab treatment within 3.5 months of onset without concomitant oral immunosuppressants. Seventeen patients (89%) remained relapse-free with a mean follow-up of 51.3 months. Clinical improvement was observed in parallel with the maintenance of low-dose corticosteroids or the complete discontinuation of corticosteroids. Long-term depletion of B cells with low-dose rituximab treatment has shown favorable efficacy and tolerance in reducing disease activity for AChR+ generalized MG.

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http://dx.doi.org/10.1016/j.jneuroim.2021.577528DOI Listing
February 2021

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