Predicting therapy‐related myeloid neoplasms after CAR‐T with the Clonal Haematopoiesis Risk Score (CHRS)

The clonal haematopoiesis risk score (CHRS) was proposed to predict the rate of progression from clonal haemopoiesis of indeterminate potential (CHIP)/clonal cytopenia with unknown significance (CCUS) to myeloid neoplasms in the general population. CHRS encompasses the type and VAF of the mutation,...

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Veröffentlicht in:British journal of haematology 2025-01, Vol.206 (1), p.372-374
Hauptverfasser: Galli, Eugenio, Rossi, Monica, Pansini, Ilaria, Viscovo, Marcello, Malara, Tanja, Colangelo, Maria, Alma, Eleonora, Valentini, Caterina Giovanna, Teofili, Luciana, Hohaus, Stefan, Sica, Simona, Sorà, Federica, Chiusolo, Patrizia
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container_issue 1
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container_title British journal of haematology
container_volume 206
creator Galli, Eugenio
Rossi, Monica
Pansini, Ilaria
Viscovo, Marcello
Malara, Tanja
Colangelo, Maria
Alma, Eleonora
Valentini, Caterina Giovanna
Teofili, Luciana
Hohaus, Stefan
Sica, Simona
Sorà, Federica
Chiusolo, Patrizia
description The clonal haematopoiesis risk score (CHRS) was proposed to predict the rate of progression from clonal haemopoiesis of indeterminate potential (CHIP)/clonal cytopenia with unknown significance (CCUS) to myeloid neoplasms in the general population. CHRS encompasses the type and VAF of the mutation, the presence of a single DNMT3A mutation, cytopenia, age, red cell distribution width (RDW) and mean corpuscular volume (MCV). We studied clonal haematopoiesis in a cohort of 55 consecutive patients treated with CD19‐directed CAR‐T cells: CHIP and CCUS were present in 7% and 33% of patients before CAR‐T. Three therapy‐related myeloid neoplasms (t‐MN) were observed after treatment with CAR‐T (2 MDS and 1 AML). Only patients with an intermediate‐high baseline CHRS developed a t‐MN. Patients with an intermediate‐high CHRS had more than a twofold increased risk of developing a t‐MN within the first 9 months after CAR‐T (odds ratio 2.89, 95% C.I. 1.98–4.19, p 
doi_str_mv 10.1111/bjh.19905
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CHRS encompasses the type and VAF of the mutation, the presence of a single DNMT3A mutation, cytopenia, age, red cell distribution width (RDW) and mean corpuscular volume (MCV). We studied clonal haematopoiesis in a cohort of 55 consecutive patients treated with CD19‐directed CAR‐T cells: CHIP and CCUS were present in 7% and 33% of patients before CAR‐T. Three therapy‐related myeloid neoplasms (t‐MN) were observed after treatment with CAR‐T (2 MDS and 1 AML). Only patients with an intermediate‐high baseline CHRS developed a t‐MN. Patients with an intermediate‐high CHRS had more than a twofold increased risk of developing a t‐MN within the first 9 months after CAR‐T (odds ratio 2.89, 95% C.I. 1.98–4.19, p &lt; 0.001). 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subjects Adult
Age composition
Aged
CD19 antigen
Clonal Hematopoiesis
Cytopenia
DNA Methyltransferase 3A
Female
Hemopoiesis
Humans
Immunotherapy, Adoptive - adverse effects
Lymphocytes T
Male
Middle Aged
Mutation
Myelodysplastic Syndromes - etiology
Myelodysplastic Syndromes - therapy
Neoplasms, Second Primary - etiology
Risk Assessment
Risk Factors
Tumors
Young Adult
title Predicting therapy‐related myeloid neoplasms after CAR‐T with the Clonal Haematopoiesis Risk Score (CHRS)
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