Poster: CLL-506 Clinical Outcomes Beyond Progression on Ibrutinib in Patients With Chronic Lymphocytic Leukemia
Clinical Lymphoma Myeloma and Leukemia(2022)
摘要
Among 144 patients with CLL identified to have disease progression on ibrutinib, the median age was 68 years and 74% were male. Unmutated IGHV (90%) and TP53 disruption (50%) were common in evaluable patients at the time of progression on ibrutinib. The median OS for the entire cohort following progression on ibrutinib was 25.5 months; 29.8 months and 8.3 months following CLL progression (n=104) and Richter's transformation (n=38), respectively. Longer OS was observed among patients with CLL progression who had received ibrutinib in the frontline (n=23) compared to relapsed/refractory setting (not reached versus 28.5 months; p=0.04), but was similar amongst patients treated with 1, 2, or ≥3 prior lines (18.5, 30.9, and 26.0 months, respectively, p=0.24). Among patients with CLL disease progression on ibrutinib, next-line treatment with chimeric antigen receptor T-cell therapy or venetoclax-based treatment was associated with significantly longer median OS and TFS compared to other approved treatments (OS: not-reached, 29.8 months, and 9.1 months, respectively, p=0.034; TFS: 30.4 months, 20.1 months, and 4.4 months, respectively, p<0.001) Conclusions: These findings suggest an unmet need for this growing patient population while supporting the current practice of next-line venetoclax and participation in clinical trials.
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关键词
CLL,B-cell chronic lymphocytic leukemia,treatment,ibrutinib
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