June 20, 2026 · Blood · DOI: 10.1182/blood.2025032806

Ibrutinib in early stage CLL: Genetic risk factors and treatment outcome in the GCLLSG CLL12 trial

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The authors aimed to investigate the impact of genetic risk factors on treatment outcomes for early-stage chronic lymphocytic leukemia (CLL) patients receiving ibrutinib versus placebo in the GCLLSG CLL12 trial. They found that while ibrutinib improved event-free survival (EFS) in certain genetic subgroups, such as those with U-IGHV and del(11q) mutations, it did not provide overall survival (OS) benefits across any genetic subgroup, reinforcing the watch-and-wait strategy for asymptomatic early-stage CLL patients, particularly those with del(17p) or TP53 mutations.

Armin Riecke, Sandra Robrecht, Deyan Yordanov Yosifov, Christof Schneider, Adam Giza, Lothar Müller, Ursula Vehling-Kaiser, Michael J Eckart, Werner Freier, Björn Schöttker, Tobias Gaska, Marcel Reiser, Anna-Maria Fink, Kirsten Fischer, Barbara F Eichhorst, Michael J Hallek, Petra Langerbeins, Stephan Stilgenbauer, Eugen Tausch

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