Combined treatment with vemurafenib and cobimetinib in Langerhans cell histiocytosis and Erdheim-Chester disease overlap syndrome: A case Report

<p>Histiocytoses are clonal disorders diseases derived from the monocyte-macrophage lineage. The Erdheim-Chester Disease (ECD) and Langerhans Cell Histiocytosis (LCH) may occur in association with overlapping clinical, histopathological and molecular features, harboring somatic MAP2K1 mutation...

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Main Authors: Hidalgo-Soto Marta (Author), Poza-Santaella María (Author), Pita-Suárez Daniel (Author), Calbacho-Robles María (Author), Pina-Sánchez José (Author), González-Medina José (Author), Baumann Tycho Stephan (Author)
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Published: Archives of Hematology Case Reports and Reviews - Peertechz Publications, 2022-01-20.
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042 |a dc 
100 1 0 |a Hidalgo-Soto Marta  |e author 
700 1 0 |a  Poza-Santaella María  |e author 
700 1 0 |a  Pita-Suárez Daniel  |e author 
700 1 0 |a  Calbacho-Robles María  |e author 
700 1 0 |a  Pina-Sánchez José  |e author 
700 1 0 |a  González-Medina José  |e author 
700 1 0 |a Baumann Tycho Stephan  |e author 
245 0 0 |a Combined treatment with vemurafenib and cobimetinib in Langerhans cell histiocytosis and Erdheim-Chester disease overlap syndrome: A case Report 
260 |b Archives of Hematology Case Reports and Reviews - Peertechz Publications,   |c 2022-01-20. 
520 |a <p>Histiocytoses are clonal disorders diseases derived from the monocyte-macrophage lineage. The Erdheim-Chester Disease (ECD) and Langerhans Cell Histiocytosis (LCH) may occur in association with overlapping clinical, histopathological and molecular features, harboring somatic MAP2K1 mutations in more than 50% of patients. BRAF and MEK inhibitors have shown to be efficacious in ECD and LCH, including responses in patients with CNS involvement.</p><p>This case report describes a 59-year-old woman who presented with vemurafenib-refractory ECD/LCH overlap syndrome treated with vemurafenib/cobimetinib dual therapy, with rapidly progressing neurological involvement after its initiation.</p><p>Although targeted therapy plays a crucial role in the treatment of histiocytosis, only anecdotal clinical cases treated with dual therapy have been reported in ECD or LCH and collaborative trials are needed to improve outcomes.</p> 
540 |a Copyright © Hidalgo-Soto Marta et al. 
546 |a en 
655 7 |a Case Report  |2 local 
856 4 1 |u https://doi.org/10.17352/ahcrr.000035  |z Connect to this object online.