Case Report: Persistent Hypogammaglobulinemia More Than 10 Years After Rituximab Given Post-HSCT
Fanny Luterbacher, Fanette Bernard, Frédéric Baleydier et al. · 2021 · Frontiers in Immunology
Rituximab (RTX) is an anti-CD20 monoclonal antibody that targets B cells—from the immature pre-B-cell stage in the bone marrow to mature circulating B cells—while preserving stem cells and plasma cells. It is used to treat autoimmune diseases, hematological malignancies, or complications after hematopoietic stem cell transplantation (HSCT). Its safety profile is acceptable; however, a subset of patients can develop persistent hypogammaglobulinemia and associated severe complications, especially in pediatric populations. We report the unrelated cases of two young men aged 17 and 22, presenting
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