Expert review of hematology
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Waldenström macroglobulinemia (WM) is a B-cell non-Hodgkin lymphoma (NHL) characterized by IgM monoclonal gammopathy and bone marrow infiltration by lymphoplasmacytic cells. Until recently, there was no drug specifically approved for WM by the US FDA, leading to wide variations in therapeutic strategies across the globe. ⋯ With identification of novel genetic mutations impacting response to ibrutinib, it would be possible to individualize therapy based on MYD88 and CXCR4 genotypes. However, long-term safety and efficacy data are required, and cost-effectiveness needs to be addressed before ibrutinib can gain widespread acceptance for front-line therapy of WM.
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Indolent non-Hodgkin's lymphoma (iNHL) describes a group of B-cell lymphomas with a long median survival and a relapsing-remitting clinical course. Although existing treatments are initially effective, patients often relapse, demonstrating decreasing efficacy with successive treatment courses. Alternative treatments are needed. ⋯ It is expressed predominantly in hematopoietic cells, making PI3Kδ an attractive therapeutic target. Idelalisib is an oral PI3Kδ inhibitor approved in 2014 in the USA and the EU as monotherapy in relapsed follicular lymphoma or relapsed small lymphocytic lymphoma previously treated with two or more prior systemic therapies, or as part of combination therapy with rituximab in patients with chronic lymphocytic leukemia, for whom rituximab monotherapy would be considered appropriate due to the presence of comorbidities. Herein, we review the available data for idelalisib, with an emphasis on relapsed/refractory B-cell iNHL.
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Correction to: Effectiveness and compliance of oral liposomal iron (Sideral Forte) treatment for iron deficiency anemia: a valid alternative to iv. iron therapies. M. Paola Campanella, Antonio Ebbli, Daniele Gaibazzi, Viviana Panunzio & Andrea Tomasini. ⋯ The revised tables and figure have been prepared (see below). Errors in data in the tables have now been corrected, and figure 2 has been corrected to amend the previously incorrect legend. The description of figure 2 has also been corrected.