CLL patients included in this study required therapy and were eligible for Ven monotherapy treatment according to local label.... the best ORR (CR/CRi) was 76% (43%) in patients with TP53 aberrations and 69% (27%) in patients without TP53 aberrations. When subdivided according to IGHV status, the best ORR (CR/CRi) was 83% (33%) in IGHV mutated...CR/CRi rates were highest in patients with TP53 aberration or IGHV unmutated patients.