Cytokine Release Syndrome With the Novel Treatments of Acute Lymphoblastic Leukemia: Pathophysiology, Prevention, and Treatment

Abstract

Purpose of Review

T cell-based therapies (blinatumomab and CAR T cell therapy) have produced unprecedented responses in relapsed and refractory (r/r) acute lymphoblastic leukemia (ALL) but is accompanied with significant toxicities, of which one of the most common and serious is cytokine release syndrome (CRS). Here we will review the pathophysiology, prevention, and treatment of CRS.

Recent Findings

Efforts have been initiated to define and grade cytokine release syndrome (CRS), to identify patients at risk, to describe biomarkers that predict onset and severity, to understand the pathophysiology, and to prevent and treat severe cases to reduce T cell immunotherapy-related morbidity and mortality.

Summary

Optimizing the timing of T cell-based therapies in ALL, identifying new biomarkers, and investigating novel anti-cytokine agents that have anti-CRS activity are likely to be fruitful avenues of study.

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