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Efficacy of venetoclax in relapsed chronic lymphocytic leukemia is influenced by disease and response variables by Andrew W. Roberts, Shuo Ma, Thomas J.

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Presentation on theme: "Efficacy of venetoclax in relapsed chronic lymphocytic leukemia is influenced by disease and response variables by Andrew W. Roberts, Shuo Ma, Thomas J."— Presentation transcript:

1 Efficacy of venetoclax in relapsed chronic lymphocytic leukemia is influenced by disease and response variables by Andrew W. Roberts, Shuo Ma, Thomas J. Kipps, Steven E. Coutre, Matthew S. Davids, Barbara Eichhorst, Michael Hallek, John C. Byrd, Kathryn Humphrey, Lang Zhou, Brenda Chyla, Jacqueline Nielsen, Jalaja Potluri, Su Young Kim, Maria Verdugo, Stephan Stilgenbauer, William G. Wierda, and John F. Seymour Blood Volume 134(2): July 11, 2019 ©2019 by American Society of Hematology

2 Andrew W. Roberts et al. Blood 2019;134:111-122
©2019 by American Society of Hematology

3 Time to response and MRD clearance in all patients receiving venetoclax.
Time to response and MRD clearance in all patients receiving venetoclax. (A) Inverted Kaplan-Meier plot showing the cumulative percentage of patients with objective response and CR/CRi as a function of time. (B) Plot showing the cumulative percentage of patients who have documented clearance of minimal residual disease negativity (U-MRD) in peripheral blood (PB) and bone marrow (BM) over time. Analyses in A and B are intent to treat. Andrew W. Roberts et al. Blood 2019;134: ©2019 by American Society of Hematology

4 Survival and durability of benefit on venetoclax.
Survival and durability of benefit on venetoclax. (A) Kaplan-Meier plot showing the OS and PFS rates of all patients over time; number of patients at risk at each point is shown below the graph. (B) OS and PFS rates of patients who received 400 mg/day of venetoclax monotherapy over time; patients at risk at each point are shown below the graph. (C-D) Duration of response for all patients and for those patients who received 400 mg/day of monotherapy, respectively. Andrew W. Roberts et al. Blood 2019;134: ©2019 by American Society of Hematology

5 Progression and durability of response rates over time, according to response depth.
Progression and durability of response rates over time, according to response depth. (A) Kaplan-Meier plot showing the PFS rates of all patients over time, stratified by best objective response. (B) DoR for all patients, starting from the day of best response, stratified by best overall response. (C) Duration of response for all patients, stratified by response at the 9-month landmark. (D) Duration of response for all patients with available data, stratified by MRD status (in peripheral blood) at the 24-month landmark. Patients at risk at each point are shown beneath each graph. MRD positive, detectable MRD; nPR, nodular PR. Andrew W. Roberts et al. Blood 2019;134: ©2019 by American Society of Hematology

6 Summary of univariate analyses of pretreatment factors for association with response outcomes.
Summary of univariate analyses of pretreatment factors for association with response outcomes. This figure shows the overall response rates, CR/CRi rates, and relapse rates segregated according to different pretreatment variables, along with the associated ORs and HRs for those values in univariate analyses. (Left) Overall response rate (includes patients with CR, CRi, PR, or nPR); the corresponding OR represents the likelihood for failure to respond compared with the first listed category for each variable. (Middle) Complete response rate; the OR represents the likelihood for failure to achieve CR/CRi. (Right) The relative relapse rate; the HR for loss of response, which is also represented numerically to the right of the graph. The N column represents the number of patients with data for each category. Dotted vertical lines for response rate and CR/CRi rate represent the overall rates observed for all patients. For the relative relapse rate, the vertical dotted line represents a HR of 1.0 (no hazard) associated with the first listed category for each variable). ORs and HRs are shown with 95% CIs for each column. Variables tested but found to be nonsignificant on univariate analyses and not shown in the figure were age (≥70, <70 years) and sex. For these analyses, where data on a cytogenetic abnormality or mutation in TP53, NOTCH1, SF3B1, or IGHV was missing, the patient was included in the no category. del, deletion; mut, mutated. Andrew W. Roberts et al. Blood 2019;134: ©2019 by American Society of Hematology


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