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Quantification of Acute Lymphoblastic Leukemia Clonotypes in Leukapheresed Peripheral Blood Progenitor Cells Predicts Relapse Risk after Autologous Hematopoietic.

Published byDennis Roderick Benson Modified over 5 years ago

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Presentation on theme: "Quantification of Acute Lymphoblastic Leukemia Clonotypes in Leukapheresed Peripheral Blood Progenitor Cells Predicts Relapse Risk after Autologous Hematopoietic."— Presentation transcript:

1 Quantification of Acute Lymphoblastic Leukemia Clonotypes in Leukapheresed Peripheral Blood Progenitor Cells Predicts Relapse Risk after Autologous Hematopoietic Stem Cell Transplantation  Gabriel N. Mannis, Thomas G. Martin, Lloyd E. Damon, Charalambos Andreadis, Rebecca L. Olin, Katherine A. Kong, Malek Faham, Jimmy Hwang, Weiyun Z. Ai, Karin M.L. Gaensler, Peter H. Sayre, Jeffrey L. Wolf, Aaron C. Logan  Biology of Blood and Marrow Transplantation  Volume 22, Issue 6, Pages (June 2016) DOI: /j.bbmt Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

2 Figure 1 Relapse-free survival (RFS) and overall survival (OS) for patients who underwent autoHCT for ALL. (A) RFS and OS for the entire cohort, (B) RFS and OS for the Ph+ B-ALL cohort, (C) RFS and OS for the Ph− B-ALL cohort, and (D) RFS and OS for the T cell ALL cohort. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

3 Figure 2 Frequency of immunoglobulin and T cell receptor loci rearrangement detection in diagnostic samples. The number of leukemia-associated immunoreceptor locus rearrangements per patient is shown in (A). For each of the immunoreceptors tested, the frequency of clonotypes in diagnostic specimens is shown in (B). Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

4 Figure 3 Effect of ex vivo purging using CD9, CD10, CD19, and CD20 monoclonal antibodies for B-ALL or CD2, CD3, CD4, CD5, and CD8 monoclonal antibodies for T-ALL on MRD in peripheral blood progenitor cell leukapheresis products of 3 patients with detectable MRD whose leukapheresis product underwent purging. Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

5 Figure 4 Relapse-free survival (RFS) for the entire cohort, stratified by minimal residual disease (MRD) status. Using a threshold of detection of ≥10−6, MRD-negative patients experience significantly improved RFS, with the median not reached for MRD-negative patients and 6.5 months for MRD-positive patients (P = .0005). Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

6 Supplementary Figure 1 Biology of Blood and Marrow Transplantation  , DOI: ( /j.bbmt ) Copyright © 2016 The American Society for Blood and Marrow Transplantation Terms and Conditions

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