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Martin S. Tallman

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https://www.readbyqxmd.com/read/28803919/therapy-related-clonal-hematopoiesis-in-patients-with-non-hematologic-cancers-is-common-and-associated-with-adverse-clinical-outcomes
#1
Catherine C Coombs, Ahmet Zehir, Sean M Devlin, Ashwin Kishtagari, Aijazuddin Syed, Philip Jonsson, David M Hyman, David B Solit, Mark E Robson, José Baselga, Maria E Arcila, Marc Ladanyi, Martin S Tallman, Ross L Levine, Michael F Berger
Clonal hematopoiesis (CH), as evidenced by recurrent somatic mutations in leukemia-associated genes, commonly occurs among aging human hematopoietic stem cells. We analyzed deep-coverage, targeted, next-generation sequencing (NGS) data of paired tumor and blood samples from 8,810 individuals to assess the frequency and clinical relevance of CH in patients with non-hematologic malignancies. We identified CH in 25% of cancer patients, with 4.5% harboring presumptive leukemia driver mutations (CH-PD). CH was associated with increased age, prior radiation therapy, and tobacco use...
September 7, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28801450/genomic-analysis-of-hairy-cell-leukemia-identifies-novel-recurrent-genetic-alterations
#2
Benjamin H Durham, Bartlomiej Getta, Sascha Dietrich, Justin Taylor, Helen Won, James M Bogenberger, Sasinya Scott, Eunhee Kim, Young Rock Chung, Stephen S Chung, Jennifer Hüllein, Tatjana Walther, Lu Wang, Sydney X Lu, Christopher C Oakes, Raoul Tibes, Torsten Haferlach, Barry S Taylor, Martin S Tallman, Michael F Berger, Jae H Park, Thorsten Zenz, Omar Abdel-Wahab
Classical hairy cell leukemia (cHCL) is characterized by a near 100% frequency of the BRAFV600E mutation while ~30% of variant HCL (vHCL) have MAP2K1 mutations. However, recurrent genetic alterations cooperating with BRAFV600E or MAP2K1 mutations in HCL, as well as those in MAP2K1- wildtype vHCL, are not well defined. We therefore performed deep targeted mutational and copy number analysis of cHCL (n=53) and vHCL (n=8). The most common genetic alteration in cHCL outside of BRAFV600E was heterozygous loss of chromosome 7q, the minimally deleted region of which targeted wildtype BRAF, subdividing cHCL into those hemizygous versus heterozygous for the BRAFV600E mutation...
August 11, 2017: Blood
https://www.readbyqxmd.com/read/28750565/digging-deeper-in-relapsed-acute-lymphoblastic-leukemia-impact-of-mrd-status-on-outcome-in-second-remission
#3
Mark B Geyer, Martin S Tallman
No abstract text is available yet for this article.
July 28, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28749921/update-interim-guidance-for-health-care-providers-caring-for-pregnant-women-with-possible-zika-virus-exposure-united-states-including-u-s-territories-july-2017
#4
Titilope Oduyebo, Kara D Polen, Henry T Walke, Sarah Reagan-Steiner, Eva Lathrop, Ingrid B Rabe, Wendi L Kuhnert-Tallman, Stacey W Martin, Allison T Walker, Christopher J Gregory, Edwin W Ades, Darin S Carroll, Maria Rivera, Janice Perez-Padilla, Carolyn Gould, Jeffrey B Nemhauser, C Ben Beard, Jennifer L Harcourt, Laura Viens, Michael Johansson, Sascha R Ellington, Emily Petersen, Laura A Smith, Jessica Reichard, Jorge Munoz-Jordan, Michael J Beach, Dale A Rose, Ezra Barzilay, Michelle Noonan-Smith, Denise J Jamieson, Sherif R Zaki, Lyle R Petersen, Margaret A Honein, Dana Meaney-Delman
CDC has updated the interim guidance for U.S. health care providers caring for pregnant women with possible Zika virus exposure in response to 1) declining prevalence of Zika virus disease in the World Health Organization's Region of the Americas (Americas) and 2) emerging evidence indicating prolonged detection of Zika virus immunoglobulin M (IgM) antibodies. Zika virus cases were first reported in the Americas during 2015-2016; however, the incidence of Zika virus disease has since declined. As the prevalence of Zika virus disease declines, the likelihood of false-positive test results increases...
July 28, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28694182/allogeneic-hematopoietic-stem-cell-transplantation-with-myeloablative-conditioning-is-associated-with-favorable-outcomes-in-mixed-phenotype-acute-leukemia
#5
Bartlomiej M Getta, Mikhail Roshal, Junting Zheng, Jae H Park, Eytan M Stein, Ross Levine, Esperanza B Papadopoulos, Ann A Jakubowski, Nancy A Kernan, Peter Steinherz, Richard J O'Reilly, Miguel-Angel Perales, Sergio A Giralt, Martin S Tallman, Brian C Shaffer
Mixed phenotype acute leukemia (MPAL) represents a poorly characterized group of acute leukemias that lack an accepted therapeutic approach and are typically associated with poor outcomes. We present our experience of genomic profiling, pretransplantation therapy, and transplantation outcomes for 36 well-characterized pediatric and adult patients with MPAL, defined according to the 2016 World Health Organization leukemia update. A predominance of acute lymphoid leukemia (ALL)-associated mutations and cytogenetic abnormalities was noted...
July 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28687581/acute-myeloid-leukemia-version-3-2017-nccn-clinical-practice-guidelines-in-oncology
#6
Margaret R O'Donnell, Martin S Tallman, Camille N Abboud, Jessica K Altman, Frederick R Appelbaum, Daniel A Arber, Vijaya Bhatt, Dale Bixby, William Blum, Steven E Coutre, Marcos De Lima, Amir T Fathi, Melanie Fiorella, James M Foran, Steven D Gore, Aric C Hall, Patricia Kropf, Jeffrey Lancet, Lori J Maness, Guido Marcucci, Michael G Martin, Joseph O Moore, Rebecca Olin, Deniz Peker, Daniel A Pollyea, Keith Pratz, Farhad Ravandi, Paul J Shami, Richard M Stone, Stephen A Strickland, Eunice S Wang, Matthew Wieduwilt, Kristina Gregory, Ndiya Ogba
Acute myeloid leukemia (AML) is the most common form of acute leukemia among adults and accounts for the largest number of annual deaths due to leukemias in the United States. This portion of the NCCN Guidelines for AML focuses on management and provides recommendations on the workup, diagnostic evaluation, and treatment options for younger (age <60 years) and older (age ≥60 years) adult patients.
July 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28644114/midostaurin-plus-chemotherapy-for-acute-myeloid-leukemia-with-a-flt3-mutation
#7
RANDOMIZED CONTROLLED TRIAL
Richard M Stone, Sumithra J Mandrekar, Ben L Sanford, Kristina Laumann, Susan Geyer, Clara D Bloomfield, Christian Thiede, Thomas W Prior, Konstanze Döhner, Guido Marcucci, Francesco Lo-Coco, Rebecca B Klisovic, Andrew Wei, Jorge Sierra, Miguel A Sanz, Joseph M Brandwein, Theo de Witte, Dietger Niederwieser, Frederick R Appelbaum, Bruno C Medeiros, Martin S Tallman, Jürgen Krauter, Richard F Schlenk, Arnold Ganser, Hubert Serve, Gerhard Ehninger, Sergio Amadori, Richard A Larson, Hartmut Döhner
BACKGROUND: Patients with acute myeloid leukemia (AML) and a FLT3 mutation have poor outcomes. We conducted a phase 3 trial to determine whether the addition of midostaurin - an oral multitargeted kinase inhibitor that is active in patients with a FLT3 mutation - to standard chemotherapy would prolong overall survival in this population. METHODS: We screened 3277 patients, 18 to 59 years of age, who had newly diagnosed AML for FLT3 mutations. Patients were randomly assigned to receive standard chemotherapy (induction therapy with daunorubicin and cytarabine and consolidation therapy with high-dose cytarabine) plus either midostaurin or placebo; those who were in remission after consolidation therapy entered a maintenance phase in which they received either midostaurin or placebo...
August 3, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28597167/predictors-of-thrombohemorrhagic-early-death-in-children-and-adolescents-with-t-15-17-positive-acute-promyelocytic-leukemia-treated-with-atra-and-chemotherapy
#8
MULTICENTER STUDY
Oussama Abla, Raul C Ribeiro, Anna Maria Testi, Pau Montesinos, Ursula Creutzig, Lillian Sung, Giancarlo Di Giuseppe, Derek Stephens, James H Feusner, Bayard L Powell, Henrik Hasle, Gertjan J L Kaspers, Luciano Dalla-Pozza, Alvaro Lassaletta, Martin S Tallman, Franco Locatelli, Dirk Reinhardt, Francesco Lo-Coco, Johann Hitzler, Miguel A Sanz
Clinical trials on childhood acute promyelocytic leukemia (APL) report early death (ED) rates of 3-8%, but predictors of thrombohemorrhagic (TH)-ED are not well understood. In a retrospective study, we aimed to determine the incidence and predictors of TH-ED in childhood APL. Data were analyzed from children and adolescents with t(15;17)-positive APL (n = 683) who started treatment with all-trans retinoic acid (ATRA) and chemotherapy in different international studies. Demographic data; initial white blood cell (WBC), peripheral blood (PB) blast, and platelet counts; hemoglobin value; coagulation parameters; morphologic variant (M3 or M3v); and induction details were analyzed...
September 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28588020/enasidenib-in-mutant-idh2-relapsed-or-refractory-acute-myeloid-leukemia
#9
Eytan M Stein, Courtney D DiNardo, Daniel A Pollyea, Amir T Fathi, Gail J Roboz, Jessica K Altman, Richard M Stone, Daniel J DeAngelo, Ross L Levine, Ian W Flinn, Hagop M Kantarjian, Robert Collins, Manish R Patel, Arthur E Frankel, Anthony Stein, Mikkael A Sekeres, Ronan T Swords, Bruno C Medeiros, Christophe Willekens, Paresh Vyas, Alessandra Tosolini, Qiang Xu, Robert D Knight, Katharine E Yen, Sam Agresta, Stephane de Botton, Martin S Tallman
Recurrent mutations in isocitrate dehydrogenase 2 (IDH2) occur in ∼12% of patients with acute myeloid leukemia (AML). Mutated IDH2 proteins neomorphically synthesize 2-hydroxyglutarate resulting in DNA and histone hypermethylation, which leads to blocked cellular differentiation. Enasidenib (AG-221/CC-90007) is a first-in-class, oral, selective inhibitor of mutant-IDH2 enzymes. This first-in-human phase 1/2 study assessed the maximum tolerated dose (MTD), pharmacokinetic and pharmacodynamic profiles, safety, and clinical activity of enasidenib in patients with mutant-IDH2 advanced myeloid malignancies...
August 10, 2017: Blood
https://www.readbyqxmd.com/read/28588019/enasidenib-induces-acute-myeloid-leukemia-cell-differentiation-to-promote-clinical-response
#10
Michael D Amatangelo, Lynn Quek, Alan Shih, Eytan M Stein, Mikhail Roshal, Muriel D David, Benoit Marteyn, Noushin Rahnamay Farnoud, Stephane de Botton, Olivier A Bernard, Bin Wu, Katharine E Yen, Martin S Tallman, Elli Papaemmanuil, Virginie Penard-Lacronique, Anjan Thakurta, Paresh Vyas, Ross L Levine
Recurrent mutations at R140 and R172 in isocitrate dehydrogenase 2 (IDH2) occur in many cancers, including ∼12% of acute myeloid leukemia (AML). In preclinical models these mutations cause accumulation of the oncogenic metabolite R-2-hydroxyglutarate (2-HG) and induce hematopoietic differentiation block. Single-agent enasidenib (AG-221/CC-90007), a selective mutant IDH2 (mIDH2) inhibitor, produced an overall response rate of 40.3% in relapsed/refractory AML (rrAML) patients with mIDH2 in a phase 1 trial. However, its mechanism of action and biomarkers associated with response remain unclear...
August 10, 2017: Blood
https://www.readbyqxmd.com/read/28551161/independent-prognostic-significance-of-monosomy-17-and-impact-of-karyotype-complexity-in-monosomal-karyotype-complex-karyotype-acute-myeloid-leukemia-results-from-four-ecog-acrin-prospective-therapeutic-trials
#11
Stephen A Strickland, Zhuoxin Sun, Rhett P Ketterling, Athena M Cherry, Larry D Cripe, Gordon Dewald, Hugo F Fernandez, Gary A Hicks, Rodney R Higgins, Hillard M Lazarus, Mark R Litzow, Selina M Luger, Elisabeth M Paietta, Jacob M Rowe, Gail H Vance, Peter Wiernik, Anne E Wiktor, Yanming Zhang, Martin S Tallman
The presence of a monosomal karyotype (MK+) and/or a complex karyotype (CK+) identifies subcategories of AML with poor prognosis. The prognostic significance of the most common monosomies (monosomy 5, monosomy 7, and monosomy 17) within MK+/CK+AML is not well defined. We analyzed data from 1,592 AML patients age 17-93 years enrolled on ECOG-ACRIN therapeutic trials. The majority of MK+ patients (182/195; 93%) were MK+/CK+ with 87% (158/182) having ≥5 clonal abnormalities (CK≥5). MK+ patients with karyotype complexity ≤4 had a median overall survival (OS) of 0...
August 2017: Leukemia Research
https://www.readbyqxmd.com/read/28436985/functional-screen-of-msi2-interactors-identifies-an-essential-role-for-syncrip-in-myeloid-leukemia-stem-cells
#12
Ly P Vu, Camila Prieto, Elianna M Amin, Sagar Chhangawala, Andrei Krivtsov, M Nieves Calvo-Vidal, Timothy Chou, Arthur Chow, Gerard Minuesa, Sun Mi Park, Trevor S Barlowe, James Taggart, Patrick Tivnan, Raquel P Deering, Lisa P Chu, Jeong-Ah Kwon, Cem Meydan, Javier Perales-Paton, Arora Arshi, Mithat Gönen, Christopher Famulare, Minal Patel, Elisabeth Paietta, Martin S Tallman, Yuheng Lu, Jacob Glass, Francine E Garret-Bakelman, Ari Melnick, Ross Levine, Fatima Al-Shahrour, Marcus Järås, Nir Hacohen, Alexia Hwang, Ralph Garippa, Christopher J Lengner, Scott A Armstrong, Leandro Cerchietti, Glenn S Cowley, David Root, John Doench, Christina Leslie, Benjamin L Ebert, Michael G Kharas
The identity of the RNA-binding proteins (RBPs) that govern cancer stem cells remains poorly characterized. The MSI2 RBP is a central regulator of translation of cancer stem cell programs. Through proteomic analysis of the MSI2-interacting RBP network and functional shRNA screening, we identified 24 genes required for in vivo leukemia. Syncrip was the most differentially required gene between normal and myeloid leukemia cells. SYNCRIP depletion increased apoptosis and differentiation while delaying leukemogenesis...
June 2017: Nature Genetics
https://www.readbyqxmd.com/read/28412730/the-long-noncoding-rna-trerna-decreases-dna-damage-and-is-associated-with-poor-response-to-chemotherapy-in-chronic-lymphocytic-leukemia
#13
Cecelia R Miller, Amy S Ruppert, Sydney Fobare, Timothy L Chen, Chaomei Liu, Amy Lehman, James S Blachly, Xiaoli Zhang, David M Lucas, Michael R Grever, Martin S Tallman, Ian W Flinn, Laura Z Rassenti, Thomas J Kipps, Deepa Sampath, Kevin R Coombes, Erin K Hertlein
The study of long noncoding RNAs (lncRNAs) is an emerging area of cancer research, in part due to their ability to serve as disease biomarkers. However, few studies have investigated lncRNAs in chronic lymphocytic leukemia (CLL). We have identified one particular lncRNA, treRNA, which is overexpressed in CLL B-cells. We measured transcript expression in 144 CLL patient samples and separated samples into high or low expression of treRNA relative to the overall median. We found that high expression of treRNA is significantly associated with shorter time to treatment...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28336325/allogeneic-hematopoietic-stem-cell-transplantation-is-underutilized-in-older-patients-with-myelodysplastic-syndromes
#14
Bartlomiej M Getta, Ashwin Kishtagari, Patrick Hilden, Martin S Tallman, Molly Maloy, Patrick Gonzales, Hugo Castro-Malaspina, Miguel-Angel Perales, Sergio Giralt, Roni Tamari, Virginia Klimek
Allogeneic hematopoietic stem cell transplantation (HCT) is the only curative treatment for myelodysplastic syndrome (MDS). The proportion of MDS patients referred for transplantation evaluation, those undergoing transplantation, and the reasons for not undergoing transplantation are unknown. In this retrospective analysis, predefined HCT eligibility and indications criteria were applied to 362 unselected patients with newly diagnosed MDS seen by leukemia faculty between 2008 and 2015 at Memorial Sloan Kettering Cancer Center...
March 20, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28315400/multicolor-flow-cytometry-and-multigene-next-generation-sequencing-are-complementary-and-highly-predictive-for-relapse-in-acute-myeloid-leukemia-after-allogeneic-transplantation
#15
Bartlomiej M Getta, Sean M Devlin, Ross L Levine, Maria E Arcila, Abhinita S Mohanty, Ahmet Zehir, Martin S Tallman, Sergio A Giralt, Mikhail Roshal
Minimal residual disease (MRD) in acute myeloid leukemia (AML) is typically measured using multiparameter flow cytometry (MFC). Detection of leukemia mutations using multigene next-generation sequencing (NGS) can potentially be used to measure residual disease. We used a targeted 28-gene NGS panel to detect mutations and different-from-normal 10-color MFC to measure MRD in AML patients before allogeneic hematopoietic stem cell transplantation (HCT). Residual disease was defined when any abnormal blast population was detected using MFC and when any leukemia allele was detected with a variant allele frequency (VAF)  ≥ 5% using NGS...
July 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28293819/characteristics-features-and-factors-influencing-early-death-in-acute-promyelocytic-leukemia-experience-from-united-arab-emirates-uae
#16
Inaam Bashir Hassan, Mariam R Al Zaabi, Arif Alam, Mohammed Jawad Hashim, Martin S Tallman, Jorgen Kristensen
Although acute promyelocytic leukemia (APL) is a curable hematologic malignancy, early death (ED) remains a significant cause of treatment failure especially in developing countries. In a retrospective data analysis of 67 adult APL patients diagnosed in United Arab Emirates we report an ED rate of 11.9% which is comparable to that reported from more developed countries. We identified the following parameters at presentation as significant predictor of increased ED: Age >40 years (P = 0.015), fever (P = 0...
July 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28264800/published-abstracts-at-international-meetings-often-over-or-underestimate-the-initial-response-rate
#17
Ofrat Beyar-Katz, Jacob M Rowe, Lauren E Townsend, Martin S Tallman, Rivka Hadomi, Netanel A Horowitz
No abstract text is available yet for this article.
March 6, 2017: Blood
https://www.readbyqxmd.com/read/28174276/synergistic-antileukemic-therapies-in-notch1-induced-t-all
#18
Marta Sanchez-Martin, Alberto Ambesi-Impiombato, Yue Qin, Daniel Herranz, Mukesh Bansal, Tiziana Girardi, Elisabeth Paietta, Martin S Tallman, Jacob M Rowe, Kim De Keersmaecker, Andrea Califano, Adolfo A Ferrando
The Notch1 gene is a major oncogenic driver and therapeutic target in T-cell acute lymphoblastic leukemia (T-ALL). However, inhibition of NOTCH signaling with γ-secretase inhibitors (GSIs) has shown limited antileukemic activity in clinical trials. Here we performed an expression-based virtual screening to identify highly active antileukemic drugs that synergize with NOTCH1 inhibition in T-ALL. Among these, withaferin A demonstrated the strongest cytotoxic and GSI-synergistic antileukemic effects in vitro and in vivo...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28122741/overall-survival-among-older-us-adults-with-all-remains-low-despite-modest-improvement-since-1980-seer-analysis
#19
LETTER
Mark B Geyer, Meier Hsu, Sean M Devlin, Martin S Tallman, Dan Douer, Jae H Park
No abstract text is available yet for this article.
March 30, 2017: Blood
https://www.readbyqxmd.com/read/28117898/cytogenetic-risk-determines-outcomes-after-allogeneic-transplantation-in-older-patients-with-acute-myeloid-leukemia-in-their-second-complete-remission-a-center-for-international-blood-and-marrow-transplant-research-cohort-analysis
#20
Fotios V Michelis, Vikas Gupta, Mei-Jie Zhang, Hai-Lin Wang, Mahmoud Aljurf, Ulrike Bacher, Amer Beitinjaneh, Yi-Bin Chen, Zachariah DeFilipp, Robert Peter Gale, Partow Kebriaei, Mohamed Kharfan-Dabaja, Hillard M Lazarus, Taiga Nishihori, Richard F Olsson, Betul Oran, Armin Rashidi, David A Rizzieri, Martin S Tallman, Marcos de Lima, H Jean Khoury, Brenda M Sandmaier, Daniel Weisdorf, Wael Saber
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) offers curative potential to a number of older patients with acute myeloid leukemia (AML) in their first complete remission. However, there are limited data in the literature concerning post-HCT outcomes for older patients in their second complete remission (CR2). METHODS: The purpose of the current study was to retrospectively investigate within the Center for International Blood and Marrow Transplant Research database parameters influencing posttransplant outcomes for patients 60 years of age or older undergoing HCT for AML in CR2...
June 1, 2017: Cancer
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