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Effect of ABCG2, OCT1, and ABCB1 (MDR1) Gene Expression on Treatment-Free Remission in a EURO-SKI Subtrial  Sébastien Rinaldetti, Markus Pfirrmann, Kirsi.

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Presentation on theme: "Effect of ABCG2, OCT1, and ABCB1 (MDR1) Gene Expression on Treatment-Free Remission in a EURO-SKI Subtrial  Sébastien Rinaldetti, Markus Pfirrmann, Kirsi."— Presentation transcript:

1 Effect of ABCG2, OCT1, and ABCB1 (MDR1) Gene Expression on Treatment-Free Remission in a EURO-SKI Subtrial  Sébastien Rinaldetti, Markus Pfirrmann, Kirsi Manz, Joelle Guilhot, Christian Dietz, Panayiotidis Panagiotidis, Birgit Spiess, Wolfgang Seifarth, Alice Fabarius, Martin Müller, Maria Pagoni, Maria Dimou, Jolanta Dengler, Cornelius F. Waller, Tim H. Brümmendorf, Regina Herbst, Andreas Burchert, Carsten Janβen, Maria Elisabeth Goebeler, Philipp J. Jost, Stefan Hanzel, Philippe Schafhausen, Gabriele Prange-Krex, Thomas Illmer, Viktor Janzen, Martine Klausmann, Robert Eckert, Gerd Büschel, Alexander Kiani, Wolf-Karsten Hofmann, François-Xavier Mahon, Susanne Saussele  Clinical Lymphoma, Myeloma and Leukemia  Volume 18, Issue 4, Pages (April 2018) DOI: /j.clml Copyright © 2018 The Authors Terms and Conditions

2 Figure 1 Molecular Relapse-Free Survival Probabilities of 132 EURO-SKI Patients. After 12 Months, the Survival Probability Was 54% (95% CI, 46%-62%). Median Observation Time Was 17 Months Clinical Lymphoma, Myeloma and Leukemia  , DOI: ( /j.clml ) Copyright © 2018 The Authors Terms and Conditions

3 Figure 2 Transcript Levels of ABCG2 (A), OCT1 (B), and ABCB1 (C) of Patients at the Last Day of Tyrosine Kinase Inhibitor (TKI) Intake (Baseline) Compared With Healthy Individuals (n = 10). Patients Were Divided Into 2 Groups: 1 Group With Loss of Major Molecular Response Within 12 Months After Discontinuation of Therapy and 1 Group Without Loss. P Values Refer to the Comparison of Each Patient Group With the Healthy Controls Using the Mann–Whitney U Test Clinical Lymphoma, Myeloma and Leukemia  , DOI: ( /j.clml ) Copyright © 2018 The Authors Terms and Conditions

4 Figure 3 Transcript Levels of ABCG2 (A), OCT1 (B) and ABCB1 (C) of EURO-SKI Patients (n = 40) on the Day of Treatment Discontinuation and on the Day of Loss of Major Molecular Response. P Values Refer to the Comparison of the 2 Groups Using the Wilcoxon Signed Rank Test Clinical Lymphoma, Myeloma and Leukemia  , DOI: ( /j.clml ) Copyright © 2018 The Authors Terms and Conditions

5 Figure 4 Molecular Relapse-Free Survival Probabilities of 132 EURO-SKI Patients Stratified in Accordance With Their ABCG2/GUSB Ratio on the Day of Treatment Discontinuation. Patients With ABCG2/GUSB Ratio >4.5‰ (Red) Showed a Higher Risk of Relapse Comparison With Patients With ABCG2 Transcripts ≤4.5‰ (P = .04, Log Rank Test) Abbreviation: TKI = tyrosine kinase inhibitor. Clinical Lymphoma, Myeloma and Leukemia  , DOI: ( /j.clml ) Copyright © 2018 The Authors Terms and Conditions


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