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Cold agglutinin disease: current challenges and future prospects

Authors Berentsen S, Röth A, Randen U, Jilma B, Tjønnfjord GE

Received 10 January 2019

Accepted for publication 1 March 2019

Published 9 April 2019 Volume 2019:10 Pages 93—103


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Martin Bluth

Sigbjørn Berentsen,1 Alexander Röth,2 Ulla Randen,3 Bernd Jilma,4 Geir E Tjønnfjord5–7

1Department of Research and Innovation, Haugesund Hospital, Haugesund, Norway; 2Department of Hematology, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; 3Department of Pathology, Akershus University Hospital, Lørenskog, Norway; 4Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria; 5Department of Haematology, Oslo University Hospital, Oslo, Norway; 6KG Jebsen’s Center for B-cell Malignancies, University of Oslo, Oslo, Norway; 7Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Abstract: Cold agglutinin disease (CAD) is a complement-dependent, classical pathway-mediated immune hemolytic disease, accounting for 15–25% of autoimmune hemolytic anemia, and at the same time, a distinct clonal B-cell lymphoproliferative disorder of the bone marrow. The disease burden is often high, but not all patients require pharmacological treatment. Several therapies directed at the pathogenic B-cells are now available. Rituximab plus bendamustine or rituximab monotherapy should be considered first-line treatment, depending on individual patient characteristics. Novel treatment options that target the classical complement pathway are under development and appear very promising, and the C1s inhibitor sutimlimab is currently being investigated in two clinical Phase II and III trials. These achievements have raised new challenges and further prospects, which are discussed. Patients with CAD requiring therapy should be considered for clinical trials.

Keywords: autoimmune hemolytic anemia, cold agglutinin disease, lymphoproliferative, complement, complement inhibitors, therapy

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