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Obinutuzumab Plus Chlorambucil in a Patient with Severe Myasthenia Gravis and Chronic Lymphocytic Leukemia.
J Neuromuscul Dis. 2017;4(3):251-257
Authors: Russell A, Yaraskavitch M, Fok D, Chhibber S, Street L, Korngut L
Abstract
Myasthenia gravis (MG) is an autoimmune disease of the neuromuscular junction, characterized by fatigable weakness of the extraocular, bulbar, and limb musculature; prevalence is estimated at 14 to 32 per 100,000 in North America. Chronic lymphocytic leukemia (CLL) is the most common type of leukemia in adults, resulting from clonal expansion of B-cells in blood, marrow, and secondary lymphoid tissues. The simultaneous presentation of MG and CLL is exceedingly rare. This article presents the case of 71-year-old man diagnosed simultaneously with MG and CLL. His MG was severe and refractory to treatment; therefore, a strategy of treating his coexisting CLL with obinutuzumab and chlorambucil was pursued. Following 6 cycles of obinutuzumab and chlorambucil, his CLL is in remission and his MG is almost entirely undetectable. This is the first case report describing the use of obinutuzumab, a novel anti-CD20 monoclonal antibody, in a patient with concurrent MG and CLL.
PMID: 28869483 [PubMed - indexed for MEDLINE]
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