J Mult Scler Neuroimmunol.  2024 Jun;15(1):31-34. 10.59578/jmsni.2024.15.1.31.

Severe Neutropenia Following Rituximab Treatment in Patients with Multiple Sclerosis

Affiliations
  • 1Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea
  • 2Department of Neurology, Inje University Sanggye Paik Hospital, Seoul, Korea

Abstract

Increasing evidence suggests that B cells play a critical role in the pathogenesis of multiple sclerosis (MS). Rituximab (RTX), a monoclonal anti-CD20 antibody, effectively decreases inflammatory disease processes in patients with MS by specifically removing B cells. Neutropenia is an uncommon side effect of CD20-depleting treatment and may require the administration of granulocyte-colony stimulating factors. We report the case of a patient with MS who experienced severe neutropenia during RTX treatment.

Keyword

Multiple sclerosis; Rituximab; Neutropenia
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