Tocilizumab provides a potential therapeutic option for the management of hyperhaemolysis syndrome in sickle cell disease: A case series and brief narrative overview of the literature.
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Authors
Wolf S.
Singh B.
Zaidi A.
Greaves P.
Oyesanya F.
Bennett S.
Kaya B.
Barroso F.
Telfer, P.
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Issue Date
2026
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Article
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Abstract
Background and Objectives: Hyperhaemolysis syndrome is a life-threatening complication of transfusion, potentially triggered by macrophage activation, with limited treatment options. Tocilizumab, an anti-IL6 monoclonal antibody, has mechanistic rationale for use and has been shown to be effective in a small number of cases. In this paper, we review four cases of hyperhaemolysis treated with tocilizumab in the context of the existing literature. Material(s) and Method(s): Cases of use of tocilizumab in hyperhaemolysis were identified from two large specialist haemoglobinopathy centres between the period January 2021 and March 2025. Clinical and laboratory data were collected. Result(s): Four cases of hyperhaemolysis treated with IVIG, steroids and tocilizumab were reported. In all cases, haemolysis responded rapidly to tocilizumab therapy. Two patients subsequently received RBC transfusions without haemolysis; two patients died from causes unrelated to haemolysis. Conclusion(s): This case series supports the use of tocilizumab as a therapeutic option for rapid resolution of haemolysis. It is generally widely available and should be considered a suitable and cost-effective alternative to currently available options. Copyright © 2025 The Author(s). Transfusion Medicine published by John Wiley & Sons Ltd on behalf of British Blood Transfusion Society.
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Transfusion Medicine
Volume
36
Issue
1