In this secondary analysis of specimens from the CANTOS trial, the investigators find that patients with clonal hematopoiesis mutations, particularly in the TET2 gene, predict a benefit of decreased cancer risk with the administration of the anti-IL1β agent canakinumab. Despite small numbers and the need for prospective validation, the findings are exciting as they demonstrate the potential for personalized chemoprevention approaches. Such personalized approaches can potentially enhance the feasibility of cancer prevention trials.

See related article by Woo et al., p. XX (2)

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