In 73 pts with del(17p) and/or TP53m, median PFS was 73.1 mo for A+O and NR for A vs 17.5 mo for O+Clb (HR: 0.28 and 0.23, respectively…With a median follow-up of 74.5 mo, the efficacy and safety of A+O and A monotherapy were maintained in pts with TN CLL, including in pts with high-risk genetic features. At 6 years of follow-up, PFS was significantly longer in pts treated with A+O vs A.