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Review
. 2019 Jan;16(1):45-63.
doi: 10.1038/s41571-018-0075-2.

Management guidelines for paediatric patients receiving chimeric antigen receptor T cell therapy

Affiliations
Review

Management guidelines for paediatric patients receiving chimeric antigen receptor T cell therapy

Kris M Mahadeo et al. Nat Rev Clin Oncol. 2019 Jan.

Abstract

In 2017, an autologous chimeric antigen receptor (CAR) T cell therapy indicated for children and young adults with relapsed and/or refractory CD19+ acute lymphoblastic leukaemia became the first gene therapy to be approved in the USA. This innovative form of cellular immunotherapy has been associated with remarkable response rates but is also associated with unique and often severe toxicities, which can lead to rapid cardiorespiratory and/or neurological deterioration. Multidisciplinary medical vigilance and the requisite health-care infrastructure are imperative to ensuring optimal patient outcomes, especially as these therapies transition from research protocols to standard care. Herein, authors representing the Pediatric Acute Lung Injury and Sepsis Investigators (PALISI) Network Hematopoietic Stem Cell Transplantation (HSCT) Subgroup and the MD Anderson Cancer Center CAR T Cell Therapy-Associated Toxicity (CARTOX) Program have collaborated to provide comprehensive consensus guidelines on the care of children receiving CAR T cell therapy.

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Figures

Fig. 1
Fig. 1. Proposed algorithm for the diagnosis and management of CAR T cell-related haemophagocytic lymphohistiocytosis and/or macrophage-activation syndrome.
Chimeric antigen receptor (CAR) T cell-related haemophagocytic lymphohistiocytosis (HLH) and macrophage-activation syndrome (MAS) are serious, life-threatening complications of CAR T cell therapy and should be suspected when a patient has a serum ferritin level >10,000 ng/ml in association with grade ≥3 organ toxicities (liver, kidney, or lung) per Common Terminology Criteria for Adverse Events (version 5.0) and/or evidence of haemophagocytosis in the bone marrow or other organs. Patients should be managed as recommended for grade 3 cytokine-release syndrome (CRS) with close monitoring of inflammatory markers and organ function. If no clinical and laboratory improvement is observed after 48–72 hours, consider HLH management according to the HLH-2004 protocol.

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