External Validation of a Novel Risk Model (BALL Score) in Real-World Relapsed/Refractory Chronic Lymphocytic Leukemia Patients Receiving Ibrutinib. a Campus CLL Study (original) (raw)

Blood

Abstract

Novel therapies targeting BTK (ibrutinib), PI3Kδ (idelalisib) and BCL2 (venetoclax) are active in poor-risk chronic lymphocytic leukemia (CLL) and are widely administered to patients with relapsed/refractory (R/R)-CLL. Given the activity of ibrutinib in high-risk CLL patients, including those with del17p/TP53 mutation or germline IGHV genes, we assumed that this drug could diminish the prognostic utility of the CLL-IPI, because the outcome of patients with high- and very high-risk CLL-IPI scores may improve. Recently, Soumerai et al (Lancet Hematology, 2019) proposed a new risk score for overall survival (OS) based on four accessible markers, called BALL (β2-microglobulin, anemia, LDH, last therapy), in the setting of R/R-CLL patients receiving chemo-immunotherapy or targeted therapies in clinical trials. This model segregates CLL patients into three groups with significantly different OS. This multicenter, observational retrospective study aimed at validating the proposed BALL scor...

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