1
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Poyer F, Füreder A, Holter W, Peters C, Boztug H, Dworzak M, Engstler G, Friesenbichler W, Köhrer S, Lüftinger R, Ronceray L, Witt V, Pichler H, Attarbaschi A. Relapsed acute lymphoblastic leukaemia after allogeneic stem cell transplantation: a therapeutic dilemma challenging the armamentarium of immunotherapies currently available (case reports). Ther Adv Hematol 2022; 13:20406207221099468. [PMID: 35646299 PMCID: PMC9134426 DOI: 10.1177/20406207221099468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 04/19/2022] [Indexed: 12/05/2022] Open
Abstract
While survival rates in paediatric acute lymphoblastic leukaemia (ALL) nowadays
exceed 90%, systemic ALL relapse, especially after haemopoietic stem cell
transplantation (HSCT), is associated with a poor outcome. As there is currently
no standardized treatment for this situation, individualized treatment is often
pursued. Exemplified by two clinical scenarios, the aim of this article is to
highlight the challenge for treating physicians to find a customized treatment
strategy integrating the role of conventional chemotherapy, immunotherapeutic
approaches and second allogeneic HSCT. Case 1 describes a 2-year-old girl with
an early isolated bone marrow relapse of an infant
KMT2A-rearranged B-cell precursor ALL after allogeneic HSCT.
After bridging chemotherapy and lymphodepleting chemotherapy, chimeric antigen
receptor (CAR) T-cells (tisagenlecleucel) were administered for remission
induction, followed by a second HSCT from the 9/10 human leukocyte antigen
(HLA)-matched mother. Case 2 describes a 16-year-old girl with a late, isolated
bone marrow relapse of B-cell precursor ALL after allogeneic HSCT who
experienced severe treatment toxicities including stage IV renal insufficiency.
After dose-reduced bridging chemotherapy, CAR T-cells (tisagenlecleucel) were
administered for remission induction despite a CD19- clone without
prior lymphodepletion due to enhanced persisting toxicity. This was followed by
a second allogeneic HSCT from the haploidentical mother. While patient 2
relapsed around Day + 180 after the second HSCT, patient 1 is still in complete
remission >360 days after the second HSCT. Both cases demonstrate the
challenges associated with systemic ALL relapse after first allogeneic HSCT,
including chemotherapy-resistant disease and persisting organ damage inflicted
by previous therapy. Immunotherapeutic approaches, such as CAR T-cells, can
induce remission and enable a second allogeneic HSCT. However, optimal therapy
for systemic ALL relapse after first HSCT remains to be defined.
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Affiliation(s)
- Fiona Poyer
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Anna Füreder
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Wolfgang Holter
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
- Children’s Cancer Research Institute, St. Anna Kinderkrebsforschung, Vienna, Austria
| | - Christina Peters
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
- Children’s Cancer Research Institute, St. Anna Kinderkrebsforschung, Vienna, Austria
| | - Heidrun Boztug
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Michael Dworzak
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
- Children’s Cancer Research Institute, St. Anna Kinderkrebsforschung, Vienna, Austria
| | - Gernot Engstler
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Waltraud Friesenbichler
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Stefan Köhrer
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
- Children’s Cancer Research Institute, St. Anna Kinderkrebsforschung, Vienna, Austria
| | - Roswitha Lüftinger
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Leila Ronceray
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Volker Witt
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Herbert Pichler
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Andishe Attarbaschi
- Department of Pediatric Haematology and Oncology, St. Anna Children’s Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, 1090 Vienna, Austria
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2
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More precisely defining risk peri-HCT in pediatric ALL: pre- vs post-MRD measures, serial positivity, and risk modeling. Blood Adv 2020; 3:3393-3405. [PMID: 31714961 DOI: 10.1182/bloodadvances.2019000449] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 08/14/2019] [Indexed: 12/14/2022] Open
Abstract
Detection of minimal residual disease (MRD) pre- and post-hematopoietic cell transplantation (HCT) for pediatric acute lymphoblastic leukemia (ALL) has been associated with relapse and poor survival. Published studies have had insufficient numbers to: (1) compare the prognostic value of pre-HCT and post-HCT MRD; (2) determine clinical factors post-HCT associated with better outcomes in MRD+ patients; and (3) use MRD and other clinical factors to develop and validate a prognostic model for relapse in pediatric patients with ALL who undergo allogeneic HCT. To address these issues, we assembled an international database including sibling (n = 191), unrelated (n = 259), mismatched (n = 56), and cord blood (n = 110) grafts given after myeloablative conditioning. Although high and very high MRD pre-HCT were significant predictors in univariate analysis, with bivariate analysis using MRD pre-HCT and post-HCT, MRD pre-HCT at any level was less predictive than even low-level MRD post-HCT. Patients with MRD pre-HCT must become MRD low/negative at 1 to 2 months and negative within 3 to 6 months after HCT for successful therapy. Factors associated with improved outcome of patients with detectable MRD post-HCT included acute graft-versus-host disease. We derived a risk score with an MRD cohort from Europe, North America, and Australia using negative predictive characteristics (late disease status, non-total body irradiation regimen, and MRD [high, very high]) defining good, intermediate, and poor risk groups with 2-year cumulative incidences of relapse of 21%, 38%, and 47%, respectively. We validated the score in a second, more contemporaneous cohort and noted 2-year cumulative incidences of relapse of 13%, 26%, and 47% (P < .001) for the defined risk groups.
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3
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Kruse A, Abdel-Azim N, Kim HN, Ruan Y, Phan V, Ogana H, Wang W, Lee R, Gang EJ, Khazal S, Kim YM. Minimal Residual Disease Detection in Acute Lymphoblastic Leukemia. Int J Mol Sci 2020; 21:ijms21031054. [PMID: 32033444 PMCID: PMC7037356 DOI: 10.3390/ijms21031054] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/30/2020] [Accepted: 02/03/2020] [Indexed: 02/04/2023] Open
Abstract
Minimal residual disease (MRD) refers to a chemotherapy/radiotherapy-surviving leukemia cell population that gives rise to relapse of the disease. The detection of MRD is critical for predicting the outcome and for selecting the intensity of further treatment strategies. The development of various new diagnostic platforms, including next-generation sequencing (NGS), has introduced significant advances in the sensitivity of MRD diagnostics. Here, we review current methods to diagnose MRD through phenotypic marker patterns or differential gene patterns through analysis by flow cytometry (FCM), polymerase chain reaction (PCR), real-time quantitative polymerase chain reaction (RQ-PCR), reverse transcription polymerase chain reaction (RT-PCR) or NGS. Future advances in clinical procedures will be molded by practical feasibility and patient needs regarding greater diagnostic sensitivity.
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Affiliation(s)
- Aaron Kruse
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Nour Abdel-Azim
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Hye Na Kim
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Yongsheng Ruan
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Valerie Phan
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Heather Ogana
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - William Wang
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Rachel Lee
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Eun Ji Gang
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
| | - Sajad Khazal
- Department of Pediatrics Patient Care, Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Yong-Mi Kim
- Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Boulevard, MS #57, Los Angeles, CA 90027, USA; (A.K.); (N.A.-A.); (H.N.K.); (Y.R.); (V.P.); (H.O.); (W.W.); (R.L.); (E.J.G.)
- Correspondence:
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4
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Wang X, Fan Q, Xu L, Wang Y, Zhang X, Chen H, Chen Y, Wang F, Han W, Sun Y, Yan C, Tang F, Liu Y, Mo X, Liu K, Huang X, Chang Y. The Quantification of Minimal Residual Disease Pre‐ and Post‐Unmanipulated Haploidentical Allograft by Multiparameter Flow Cytometry in Pediatric Acute Lymphoblastic Leukemia. CYTOMETRY PART B-CLINICAL CYTOMETRY 2019; 98:75-87. [PMID: 31424628 DOI: 10.1002/cyto.b.21840] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 07/24/2019] [Accepted: 07/30/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Xin‐Yu Wang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Qiao‐Zhen Fan
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Lan‐Ping Xu
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Yu Wang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Xiao‐Hui Zhang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Huan Chen
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Yu‐Hong Chen
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Feng‐Rong Wang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Wei Han
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Yu‐Qian Sun
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Chen‐Hua Yan
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Fei‐Fei Tang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Yan‐Rong Liu
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Xiao‐Dong Mo
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Kai‐Yan Liu
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
| | - Xiao‐Jun Huang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
- National Clinical Research Center for Hematologic Disease Beijing People's Republic of China
| | - Ying‐Jun Chang
- Peking University People's Hospital & Peking University Institute of HematologyBeijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing People's Republic of China
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5
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Balligand L, Galambrun C, Sirvent A, Roux C, Pochon C, Bruno B, Jubert C, Loundou A, Esmiol S, Yakoub-Agha I, Forcade E, Paillard C, Marie-Cardine A, Plantaz D, Gandemer V, Blaise D, Rialland F, Renard C, Seux M, Baumstarck K, Mohty M, Dalle JH, Michel G. Single-Unit versus Double-Unit Umbilical Cord Blood Transplantation in Children and Young Adults with Residual Leukemic Disease. Biol Blood Marrow Transplant 2019; 25:734-742. [DOI: 10.1016/j.bbmt.2018.10.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 10/22/2018] [Indexed: 12/26/2022]
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6
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Methods and role of minimal residual disease after stem cell transplantation. Bone Marrow Transplant 2018; 54:681-690. [PMID: 30116018 DOI: 10.1038/s41409-018-0307-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/28/2018] [Accepted: 06/13/2018] [Indexed: 11/08/2022]
Abstract
Relapse is the major cause of treatment failure after stem cell transplantation. Despite the fact that relapses occurred even if transplantation was performed in complete remission, it is obvious that minimal residual disease is present though not morphologically evident. Since adaptive immunotherapy by donor lymphocyte infusion or other novel cell therapies as well as less toxic drugs, which can be used after transplantation, the detection of minimal residual disease (MRD) has become a clinical important variable for outcome. Besides the increasing options to treat MRD, the most advanced technologies currently allow to detect residual malignant cells with a sensitivity of 10-5 to 10-6.Under the patronage of the European Society for Blood and Marrow Transplantation (EBMT) and the American Society for Blood and Marrow Transplantation (ASBMT) the 3rd workshop was held on 4/5 November 2016 in Hamburg/Germany, with the aim to present an up-to-date status of epidemiology and biology of relapse and to summarize the currently available options to prevent and treat post-transplant relapse. Here the current methods and role of minimal residual disease for myeloid and lymphoid malignancies are summarized.
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7
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Lamble A, Phelan R, Burke M. When Less Is Good, Is None Better? The Prognostic and Therapeutic Significance of Peri-Transplant Minimal Residual Disease Assessment in Pediatric Acute Lymphoblastic Leukemia. J Clin Med 2017; 6:E66. [PMID: 28686179 PMCID: PMC5532574 DOI: 10.3390/jcm6070066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 06/26/2017] [Accepted: 07/03/2017] [Indexed: 02/06/2023] Open
Abstract
The measurement of minimal residual disease (MRD) in pediatric acute lymphoblastic leukemia (ALL) has become the most important prognostic tool of, and the backbone to, upfront risk stratification. While MRD assessment is the standard of care for assessing response and predicting outcomes for pediatric patients with ALL receiving chemotherapy, its use in allogeneic hematopoietic stem cell transplant (HSCT) has been less clearly defined. Herein, we discuss the importance of MRD assessment during the peri-HSCT period and its role in prognostication and management.
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Affiliation(s)
- Adam Lamble
- Pediatric Hematology/Oncology, Oregon Health & Science University, Portland, OR 97239, USA.
| | - Rachel Phelan
- Pediatric Hematology/Oncology/Blood and Marrow Transplant, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
| | - Michael Burke
- Pediatric Hematology/Oncology/Blood and Marrow Transplant, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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8
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MRD response in a refractory paediatric T-ALL patient through anti-programmed cell death 1 (PD-1) Ab treatment associated with induction of fatal GvHD. Bone Marrow Transplant 2017; 52:1221-1224. [PMID: 28581460 DOI: 10.1038/bmt.2017.107] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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9
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Athale UH, Gibson PJ, Bradley NM, Malkin DM, Hitzler J. Minimal Residual Disease and Childhood Leukemia: Standard of Care Recommendations From the Pediatric Oncology Group of Ontario MRD Working Group. Pediatr Blood Cancer 2016; 63:973-82. [PMID: 26914030 DOI: 10.1002/pbc.25939] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 01/09/2016] [Accepted: 01/12/2016] [Indexed: 01/03/2023]
Abstract
Minimal residual disease (MRD) is an independent predictor of relapse risk in children with leukemia and is widely used for risk-adapted treatment. This article summarizes current evidence supporting the use of MRD, including clinical significance, current international clinical practice, impact statement, and recommended indications. The proposed MRD recommendations have been endorsed by the MRD Working Group of the Pediatric Oncology Group of Ontario and provide the foundation for a strategy that aims at equitable access to MRD evaluation for children with leukemia.
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Affiliation(s)
- Uma H Athale
- Division of Hematology/Oncology, Hamilton Health Sciences, McMaster Children's Hospital, Hamilton, Ontario, Canada.,Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Paul J Gibson
- Division of Hematology/Oncology, Children's Hospital, London Health Sciences Centre, London, Ontario, Canada.,Department of Pediatrics, University of Western Ontario, London, Ontario, Canada
| | - Nicole M Bradley
- Pediatric Oncology Group of Ontario (POGO), Toronto, Ontario, Canada
| | - David M Malkin
- Pediatric Oncology Group of Ontario (POGO), Toronto, Ontario, Canada.,Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Johann Hitzler
- Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
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10
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Bader P, Kreyenberg H, von Stackelberg A, Eckert C, Salzmann-Manrique E, Meisel R, Poetschger U, Stachel D, Schrappe M, Alten J, Schrauder A, Schulz A, Lang P, Müller I, Albert MH, Willasch AM, Klingebiel TE, Peters C. Monitoring of Minimal Residual Disease After Allogeneic Stem-Cell Transplantation in Relapsed Childhood Acute Lymphoblastic Leukemia Allows for the Identification of Impending Relapse: Results of the ALL-BFM-SCT 2003 Trial. J Clin Oncol 2015; 33:1275-84. [DOI: 10.1200/jco.2014.58.4631] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Purpose To elucidate the impact of minimal residual disease (MRD) after allogeneic transplantation, the Acute Lymphoblastic Leukemia Berlin-Frankfurt-Münster Stem Cell Transplantation Group (ALL-BFM-SCT) conducted a prospective clinical trial. Patients and Methods In the ALL-BFM-SCT 2003 trial, MRD was assessed in the bone marrow at days +30, +60, +90, +180, and +365 after transplantation in 113 patients with relapsed disease. Standardized quantification of MRD was performed according to the guidelines of the Euro-MRD Group. Results All patients showed a 3-year probability of event-free survival (pEFS) of 55%. The cumulative incidence rates of relapse and treatment-related mortality were 32% and 12%, respectively. The pEFS was 60% for patients who received their transplantations in second complete remission, 50% for patients in ≥ third complete remission, and 0% for patients not in remission (P = .015). At all time points, the level of MRD was inversely correlated with event-free survival (EFS; P < .004) and positively correlated with the cumulative incidence of relapse (P < .01). A multivariable Cox model was fitted for each time point, which showed that MRD ≥ 10−4 leukemic cells was consistently correlated with inferior EFS (P < .003). The accuracy of MRD measurements in predicting relapse was investigated with time-dependent receiver operating curves at days +30, +60, +90, and +180. From day +60 onward, the discriminatory power of MRD detection to predict the probability of relapse after 1, 3, 6, and 9 months was more than 96%, more than 87%, more than 71%, and more than 61%, respectively. Conclusion MRD after transplantation was a reliable marker for predicting impending relapses and could thus serve as the basis for pre-emptive therapy.
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Affiliation(s)
- Peter Bader
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Hermann Kreyenberg
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Arend von Stackelberg
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Cornelia Eckert
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Emilia Salzmann-Manrique
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Roland Meisel
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Ulrike Poetschger
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Daniel Stachel
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Martin Schrappe
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Julia Alten
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Andre Schrauder
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Ansgar Schulz
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Peter Lang
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Ingo Müller
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Michael H. Albert
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Andre M. Willasch
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Thomas E. Klingebiel
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
| | - Christina Peters
- Peter Bader, Hermann Kreyenberg, Emilia Salzmann-Manrique, Andre M. Willasch, and Thomas E. Klingebiel, University Hospital for Children and Adolescents, Frankfurt/Main; Arend von Stackelberg and Cornelia Eckert, Children's Hospital Charité, Berlin, Berlin; Roland Meisel, Heinrich-Heine-University, Düsseldorf; Daniel Stachel, University Hospital Erlangen, Erlangen; Martin Schrappe, Julia Alten, Andre Schrauder, Christian-Albrechts-University and Medical Center Schleswig-Holstein, Kiel; Ansgar Schulz,
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11
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Monitoring minimal residual disease in children with high-risk relapses of acute lymphoblastic leukemia: prognostic relevance of early and late assessment. Leukemia 2015; 29:1648-55. [DOI: 10.1038/leu.2015.59] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 01/24/2015] [Accepted: 01/26/2015] [Indexed: 01/16/2023]
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12
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Sutton R, Shaw PJ, Venn NC, Law T, Dissanayake A, Kilo T, Haber M, Norris MD, Fraser C, Alvaro F, Revesz T, Trahair TN, Dalla-Pozza L, Marshall GM, O'Brien TA. Persistent MRD before and after allogeneic BMT predicts relapse in children with acute lymphoblastic leukaemia. Br J Haematol 2014; 168:395-404. [DOI: 10.1111/bjh.13142] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 08/26/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Rosemary Sutton
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Peter J. Shaw
- Oncology Unit; The Children's Hospital at Westmead; Westmead NSW Australia
| | - Nicola C. Venn
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Tamara Law
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Anuruddhika Dissanayake
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Tatjana Kilo
- Oncology Unit; The Children's Hospital at Westmead; Westmead NSW Australia
| | - Michelle Haber
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Murray D. Norris
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
| | - Chris Fraser
- Royal Children's Hospital; Brisbane Qld Australia
| | - Frank Alvaro
- John Hunter Children's Hospital; Newcastle NSW Australia
| | - Tamas Revesz
- Women and Children's Hospital; Adelaide SA Australia
| | - Toby N. Trahair
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
- Kids Cancer Centre; Sydney Children's Hospital; Randwick NSW Australia
| | | | - Glenn M. Marshall
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
- Kids Cancer Centre; Sydney Children's Hospital; Randwick NSW Australia
| | - Tracey A. O'Brien
- Children's Cancer Institute Australia; Lowy Cancer Research Centre, UNSW; Randwick NSW Australia
- Kids Cancer Centre; Sydney Children's Hospital; Randwick NSW Australia
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13
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Zhou Y, Slack R, Jorgensen JL, Wang SA, Rondon G, de Lima M, Shpall E, Popat U, Ciurea S, Alousi A, Qazilbash M, Hosing C, O'Brien S, Thomas D, Kantarjian H, Medeiros LJ, Champlin RE, Kebriaei P. The effect of peritransplant minimal residual disease in adults with acute lymphoblastic leukemia undergoing allogeneic hematopoietic stem cell transplantation. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2014; 14:319-26. [PMID: 24548609 DOI: 10.1016/j.clml.2014.01.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 01/05/2014] [Accepted: 01/06/2014] [Indexed: 12/19/2022]
Abstract
BACKGROUND Allogeneic HSCT is highly effective for treating ALL. However, many ALL patients relapse after HSCT. There has been a continuing effort to improve identification of patients at high risk of relapse, with the goal of early intervention to improve outcome. PATIENTS AND METHODS In this retrospective analysis, we examined the effect of MRD on the risk of hematologic relapse in 149 adult patients with ALL in morphologic remission undergoing allogeneic HSCT. MRD was assessed at the time of HSCT and after HSCT. RESULTS Patients with pretransplant MRD had a trend for shorter progression-free survival (PFS) at 2 years compared with patients without MRD, nearing statistical significance; 28% versus 47%, P = .08, on univariate analysis. This trend remained on multivariate analysis with better PFS in patients without MRD at the time of HSCT, hazard ratio (HR), 0.62 (95% confidence interval, 0.37-1.04); P = .07. Additionally, emergence of MRD after HSCT was a strong predictor for overt hematologic relapse (HR, 4; P < .001) with a median latency interval of 3.8 months. CONCLUSION These findings demonstrate the predictive value of monitoring for MRD around the time of transplant in adult patients with ALL.
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Affiliation(s)
- Yi Zhou
- Department of Hematopathology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Rebecca Slack
- Department of Biostatistics, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Jeffrey L Jorgensen
- Department of Hematopathology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Sa A Wang
- Department of Hematopathology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Gabriela Rondon
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Marcos de Lima
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Elizabeth Shpall
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Uday Popat
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Stefan Ciurea
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Amin Alousi
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Muzaffar Qazilbash
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Chitra Hosing
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Susan O'Brien
- Department of Leukemia, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Deborah Thomas
- Department of Leukemia, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Hagop Kantarjian
- Department of Leukemia, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Richard E Champlin
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX
| | - Partow Kebriaei
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas, M.D. Anderson Cancer Center, Houston, TX.
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14
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Leung AWK, Vincent L, Chiang AKS, Lee ACW, Cheng FWT, Cheuk DKL, Luk CW, Ling SC, Li CK. Prognosis and outcome of relapsed acute lymphoblastic leukemia: a Hong Kong Pediatric Hematology and Oncology Study Group report. Pediatr Blood Cancer 2012; 59:454-60. [PMID: 22610685 DOI: 10.1002/pbc.24162] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Accepted: 03/14/2012] [Indexed: 02/05/2023]
Abstract
BACKGROUND In 2000, the Hong Kong Pediatric Hematology Oncology Study Group started a new relapsed acute lymphoblastic leukemia (ALL) treatment protocol based on modified ALL-REZ BFM 96 protocol aiming at improving the treatment outcome in Chinese children. PROCEDURE All patients in Hong Kong with first relapse of childhood ALL were included. Patients were stratified into four risk groups (S1, S2, S3, and S4) and the treatment consisted of intensive chemotherapy followed by allogeneic hematopoietic stem cell transplantation, if indicated. RESULTS Fifty-six patients were recruited and median age at diagnosis of ALL was 4.6 (range, 0.3-17) years. The median time from initial diagnosis to relapse was 2.5 (range, 0.3-9.1) years and follow-up time was 2.7 (range, 0-9.9) years. Forty-nine patients (87.5%) achieved second complete remission (CR2). CR2 rates for S1, S2, S3, and S4 groups were 100%, 93%, 90%, and 67%, respectively. Five-year overall survival (OS) was 50.5 ± 6.9% and event-free survival (EFS) was 41.5 ± 7.1%. There was no significant difference in survival among S1, S2, and S3 groups but S4 patients performed significantly worse with 5-year OS and EFS of 8% and 0%, respectively. CONCLUSION Children with relapsed ALL of S1-S3 risk groups could be successfully treated with intensified treatment protocol. The S4 high risk group needs more innovative approach to improve treatment outcome.
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Affiliation(s)
- Alex Wing Kwan Leung
- Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
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15
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Quantification of minimal residual disease levels by flow cytometry at time of transplant predicts outcome after myeloablative allogeneic transplantation in ALL. Bone Marrow Transplant 2012; 48:396-402. [PMID: 22858507 DOI: 10.1038/bmt.2012.147] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The potential impact on patient outcome of different Minimal residual disease (MRD) levels at time of transplant in patients with lymphoblastic leukemia undergoing allogeneic hematopoietic SCT (HSCT) remains uncertain. In this study, we quantified MRD levels at time of transplant using multiparameter flow cytometry (MFC). Mononuclear cells from marrow aspirates were obtained from 102 adult and child patients before their conditioning regimen. Quantification of MRD levels was carried out by detecting patient-specific leukemia-associated immunophenotypes using four-color MFC. Thirty patients exhibited measurable levels of MRD at the time of transplant, with low levels (0.01 to 0.1%) in 12 cases, intermediate levels (>0.1 to 1%) in 8 cases and high levels (>1%) in 10 cases. The leukemia-free survival (LFS) rates were 65.9±7.0%, 42.9±15.7% and 0% for negative, low levels 0.1% and intermediate-high levels >0.1%, respectively (P<0.001, log-rank test). Overall survival (OS) was 52.3±7.6%, 28.6±13.8% and 0% for MRD-negative, low levels 0.1% and intermediate-high levels >0.1%, respectively (P<0.001, log-rank test). Multivariate Cox analysis confirmed that detection of leukemia cells by flow cytometry at transplant was the most significantly adverse factor for OS, LFS and EFS after transplant.
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16
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Thomas X. Philadelphia chromosome-positive leukemia stem cells in acute lymphoblastic leukemia and tyrosine kinase inhibitor therapy. World J Stem Cells 2012; 4:44-52. [PMID: 22993661 PMCID: PMC3443711 DOI: 10.4252/wjsc.v4.i6.44] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Revised: 03/08/2012] [Accepted: 03/15/2012] [Indexed: 02/06/2023] Open
Abstract
Leukemia stem cells (LSCs), which constitute a minority of the tumor bulk, are functionally defined on the basis of their ability to transfer leukemia into an immunodeficient recipient animal. The presence of LSCs has been demonstrated in acute lymphoblastic leukemia (ALL), of which ALL with Philadelphia chromosome-positive (Ph(+)). The use of imatinib, a tyrosine kinase inhibitor (TKI), as part of front-line treatment and in combination with cytotoxic agents, has greatly improved the proportions of complete response and molecular remission and the overall outcome in adults with newly diagnosed Ph(+) ALL. New challenges have emerged with respect to induction of resistance to imatinib via Abelson tyrosine kinase mutations. An important recent addition to the arsenal against Ph(+) leukemias in general was the development of novel TKIs, such as nilotinib and dasatinib. However, in vitro experiments have suggested that TKIs have an antiproliferative but not an antiapoptotic or cytotoxic effect on the most primitive ALL stem cells. None of the TKIs in clinical use target the LSC. Second generation TKI dasatinib has been shown to have a more profound effect on the stem cell compartment but the drug was still unable to kill the most primitive LSCs. Allogeneic stem cell transplantation (SCT) remains the only curative treatment available for these patients. Several mechanisms were proposed to explain the resistance of LSCs to TKIs in addition to mutations. Hence, TKIs may be used as a bridge to SCT rather than monotherapy or combination with standard chemotherapy. Better understanding the biology of Ph(+) ALL will open new avenues for effective management. In this review, we highlight recent findings relating to the question of LSCs in Ph(+) ALL.
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Affiliation(s)
- Xavier Thomas
- Xavier Thomas, Hospices Civils de Lyon, Department of Hematology, Lyon-Sud Hospital, 69495 Pierre Benite, France
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17
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Burke MJ, Lindgen B, Verneris MR. Treatment of relapsed acute lymphoblastic leukemia: approaches used by pediatric oncologists and bone marrow transplant physicians. Pediatr Blood Cancer 2012; 58:840-5. [PMID: 21796765 DOI: 10.1002/pbc.23269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Accepted: 06/14/2011] [Indexed: 11/09/2022]
Abstract
BACKGROUND Management of relapsed B-precursor acute lymphoblastic leukemia (ALL) is challenging and varied. We hypothesized that treatment approaches differ between pediatric oncologists and bone marrow transplant (BMT) physicians. PROCEDURE A survey addressing management of relapsed ALL was sent to pediatric oncologists (n = 883) and BMT (n = 86) physicians across North America. RESULTS A number of similarities in treatment approaches were identified including: choice of chemotherapy for re-induction/consolidation, preference for unrelated donors (URDs) in very early marrow relapse and the choice to not use URD donors in late marrow relapse. However, differences between the two disciplines were noted. For patients who relapsed 18-36 months from diagnosis, the majority of oncologists (53.7%) would retreat with chemotherapy while a majority BMT physicians (70.3%) recommended URD transplant (P < 0.001). Oncologists were also less likely to use minimal residual disease (MRD) in relapse assessment compared to BMT physicians (52% vs. 67.2%; P = 0.028) and more oncologists believed MRD testing was experimental and/or not proven in relapsed ALL (27.1% vs. 12.3%; P = 0.011). CONCLUSIONS This study highlights management differences in children with ALL between pediatric oncologists and BMT physicians, identifying opportunities for collaborative clinical trials.
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Affiliation(s)
- Michael J Burke
- Division of Pediatric Hematology/Oncology, University of Minnesota, Minneapolis, MN, USA.
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18
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Cecic IK, Li G, MacAulay C. Technologies supporting analytical cytology: clinical, research and drug discovery applications. JOURNAL OF BIOPHOTONICS 2012; 5:313-326. [PMID: 22271675 DOI: 10.1002/jbio.201100093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Revised: 12/08/2011] [Accepted: 12/30/2011] [Indexed: 05/31/2023]
Abstract
The tools and techniques developed for analytical cytology have become invaluable in expanding the development of cancer screening programs and biomarker discovery for personalized medicine. Detecting cellular, molecular, and functional changes of diseased tissue as defined by quantitative analytical methodologies has enhanced the field of medical diagnostics and prognostics. The focus of this review is to outline applications and recent technical advances in flow cytometry, laser scanning cytometry, image cytometry, and quantitative image analysis, as they pertain to clinical, research, and drug discovery applications.
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Affiliation(s)
- Ivana K Cecic
- Integrative Oncology Department, BC Cancer Research Centre, Vancouver, BC, Canada
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19
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Bachanova V, Burke MJ, Yohe S, Cao Q, Sandhu K, Singleton TP, Brunstein CG, Wagner JE, Verneris MR, Weisdorf DJ. Unrelated cord blood transplantation in adult and pediatric acute lymphoblastic leukemia: effect of minimal residual disease on relapse and survival. Biol Blood Marrow Transplant 2012; 18:963-8. [PMID: 22430088 DOI: 10.1016/j.bbmt.2012.02.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Accepted: 02/25/2012] [Indexed: 12/29/2022]
Abstract
Data on pretransplantation minimal residual disease (MRD) and outcomes of umbilical cord blood transplantation (UCBT) are limited. Out of the 143 patients with acute lymphoblastic leukemia (ALL) who underwent UCBT at the University of Minnesota between 2004 and 2010, we evaluated 86 patients with available MRD assessment data by 4- and 8-color flow cytometry analysis immediately before transplantation. Ten patients (11.6%) were MRD-positive, and 76 were MRD-negative (88.4%). Most of the patients (82%) received myeloablative conditioning. GVHD prophylaxis consisted of cyclosporine and mycophenolate mofetil. In multivariate analysis, age, disease status (complete remission [CR] 1 versus CR2/CR3), disease group (precursor B cell ALL versus Philadelphia chromosome-positive ALL versus T cell ALL), and time to transplantation had no impact on relapse. Patients with MRD before UCBT had a greater incidence of relapse at 2 years (relapse rate, 30%; 95% confidence interval [CI], 4%-56%) and lower 3-year disease-free survival (30%; 95% CI, 7%-58%) compared with those without MRD (relapse rate, 16%; 95% CI, 8%-25%; P = .05; disease-free survival, 55%; 95% CI, 43%-66%; P = .02). Our data suggest that in patients with ALL, achieving an MRD-negative state before UCBT improves outcomes.
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Affiliation(s)
- Veronika Bachanova
- Blood and Marrow Transplant Program, University of Minnesota, 420 Delaware Street SE, Minneapolis, MN 55455, USA.
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20
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Lee EJ, Han JY, Lee JW, Jang PS, Chung NG, Jeong DC, Cho B, Kim HK. Outcome of allogeneic hematopoietic stem cell transplantation for childhood acute lymphoblastic leukemia in second complete remission: a single institution study. KOREAN JOURNAL OF PEDIATRICS 2012; 55:100-6. [PMID: 22474465 PMCID: PMC3315619 DOI: 10.3345/kjp.2012.55.3.100] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Revised: 10/31/2011] [Accepted: 11/14/2011] [Indexed: 11/27/2022]
Abstract
PURPOSE The survival rate for childhood acute lymphoblastic leukemia (ALL) has improved significantly. However, overall prognosis for the 20 to 25% of patients who relapse is poor, and allogeneic hematopoietic stem cell transplantation (HSCT) offers the best chance for cure. In this study, we identified significant prognostic variables by analyzing the outcomes of allogeneic HSCT in ALL patients in second complete remission (CR). METHODS Fifty-three ALL patients (42 men, 79%) who received HSCT in second CR from August 1991 to February 2009 were included (26 sibling donor HSCTs, 49%; 42 bone marrow transplantations, 79%). Study endpoints included cumulative incidence of acute and chronic graft-versus-host disease (GVHD), relapse, 1-year transplant-related mortality (TRM), disease-free survival (DFS), and overall survival (OS). RESULTS Cumulative incidences of acute GVHD (grade 2 or above) and chronic GVHD were 45.3% and 28.5%, respectively. The estimated 5-year DFS and OS for the cohort was 45.2±6.8% and 48.3±7%, respectively. Only donor type, i.e., sibling versus unrelated, showed significant correlation with DFS in multivariate analysis (P=0.010). The rates of relapse and 1 year TRM were 28.9±6.4% and 26.4±6.1%, respectively, and unrelated donor HSCT (P=0.002) and HLA mismatch (P=0.022) were significantly correlated with increased TRM in univariate analysis. CONCLUSION In this single institution study spanning more than 17 years, sibling donor HSCT was the only factor predicting a favorable result in multivariate analysis, possibly due to increased TRM resulting from unrelated donor HSCT.
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Affiliation(s)
- Eun-Jung Lee
- Department of Pediatrics, The Catholic University of Korea, School of Medicine, Seoul, Korea
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21
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Abstract
Approximately 4000 children and adolescents under the age of 20 years develop acute leukemia per year in the US. Acute lymphoblastic leukemia (ALL) is the most common pediatric cancer. Despite impressive improvements in outcome, relapsed ALL is the fourth most common pediatric malignancy. Therapy for relapsed ALL remains unsatisfactory, and the majority of relapse patients still succumb to leukemia. Between one-third and one-half of patients with acute myelogenous leukemia (AML) relapse, and no standard therapy is recognized for patients with relapsed and/or refractory AML. Novel therapeutic agents are needed to improve the cure rate for relapsed ALL and AML. Clofarabine is a next-generation nucleoside analog, designed to incorporate the best features and improve the therapeutic index of cladribine and fludarabine. Clofarabine inhibits both DNA polymerase and ribonucleotide reductase, leading to impaired DNA synthesis and repair, and directly induces apoptosis. Phase I and II single-agent trials in children have shown that clofarabine is safe and active in both myeloid and lymphoid relapsed/refractory acute leukemias. Clofarabine has been approved by the FDA for pediatric patients with relapsed/refractory ALL after at least 2 prior therapeutic attempts. Rational combinations of clofarabine with other active agents in refractory leukemias are currently under investigation.
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Affiliation(s)
- Theresa M Harned
- Department of Hematology-Oncology, Childrens Hospital Los Angeles Los Angeles, CA, USA
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22
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Ravandi F, Kebriaei P. Philadelphia chromosome-positive acute lymphoblastic leukemia. Hematol Oncol Clin North Am 2010; 23:1043-63, vi. [PMID: 19825452 DOI: 10.1016/j.hoc.2009.07.007] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The Philadelphia (Ph) chromosome, a short chromosome 22, is the most frequent cytogenetic abnormality in adult patients with acute lymphoblastic leukemia (ALL). It occurs in approximately 20% to 30% of adults and in about 5% of children with this disease. The incidence rises with age and occurs in approximately 50% of patients older than 50 years. This article reviews the treatment regimens for Ph+ ALL, including imatinib and second generation tyrosine kinase inhibitors (TKIs). The introduction of effective TKIs in the treatment of Ph+ ALL has introduced several avenues of research in a disease that was hitherto difficult to treat.
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Affiliation(s)
- Farhad Ravandi
- Department of Leukemia, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 428, Houston, TX 77030, USA.
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Campana D. Role of minimal residual disease monitoring in adult and pediatric acute lymphoblastic leukemia. Hematol Oncol Clin North Am 2010; 23:1083-98, vii. [PMID: 19825454 DOI: 10.1016/j.hoc.2009.07.010] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Assays that measure minimal residual disease (MRD) can determine the response to treatment in patients with acute lymphoblastic leukemia (ALL) much more precisely than morphologic screening of bone marrow smears. The clinical significance of MRD, detected by flow cytometry or polymerase chain reaction-based methods in childhood ALL, has been established. Hence, MRD is being used in several clinical trials to adjust treatment intensity. Similar findings have been gathered in adult patients with ALL, making MRD one of the most powerful and informative parameters to guide clinical management. This article discusses practical issues related to MRD methodologies and the evidence supporting the use of MRD for risk assignment in clinical trials.
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Affiliation(s)
- Dario Campana
- Department of Oncology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.
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Suzuki N, Yumura-Yagi K, Yoshida M, Hara J, Nishimura S, Kudoh T, Tawa A, Usami I, Tanizawa A, Hori H, Ito Y, Miyaji R, Oda M, Kato K, Hamamoto K, Osugi Y, Hashii Y, Nakahata T, Horibe K. Outcome of childhood acute lymphoblastic leukemia with induction failure treated by the Japan Association of Childhood Leukemia study (JACLS) ALL F-protocol. Pediatr Blood Cancer 2010; 54:71-8. [PMID: 19813250 DOI: 10.1002/pbc.22217] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Children with acute lymphoblastic leukemia (ALL) who fail to achieve complete remission (CR) after induction therapy (induction failure: IF) have a poor prognosis; however, there have been few prospective studies in patients with IF. PATIENTS AND METHODS Between April 1997 and March 2005, 27 of 1,237 leukemic patients (2.2%) failed to achieve CR after four- or five-drug induction therapy. Twenty-three of these patients entered the F-protocol study, which mainly consisted of acute-myeloid-leukemia-oriented chemotherapy followed by scheduled hematopoietic cell transplantation (HCT). RESULTS Seventeen (73.9%) of the 23 patients responded to re-induction chemotherapy with CR. Of note, 15 (93.8%) of 16 patients with Philadelphia-chromosome-negative (non-Ph(+)) ALL achieved CR; in contrast, only 2 (28.6%) of 7 Ph(+) patients achieved CR. Fourteen (82.4%) of 17 patients remained in CR (CCR) until their scheduled HCT, 12 of the 14 with CCR underwent HCT as scheduled, and 6 patients remain in first CR after a median of 78 months (range, 49-107 months). The 5-year overall survival (OS) rates of 16 patients with non-Ph(+) and 7 patients with Ph(+) were 43.8 +/- 12.4% and 14.3 +/- 13.2%, respectively (P = 0.012). The 5-year OS rate of the 17 patients who obtained CR by re-induction therapy and the 6 who did not were 47.1 +/- 12.1% and 0%, respectively (P < 0.001). CONCLUSION Acute-myeloid-leukemia-oriented chemotherapy followed by scheduled HCT is a promising treatment strategy for non-Ph(+) ALL patients with IF.
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Affiliation(s)
- Nobuhiro Suzuki
- Department of Pediatrics, Sapporo Medical University Hospital, Sapporo, Japan.
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Reduced-intensity allogeneic transplantation in pediatric patients ineligible for myeloablative therapy: results of the Pediatric Blood and Marrow Transplant Consortium Study ONC0313. Blood 2009; 114:1429-36. [PMID: 19528536 DOI: 10.1182/blood-2009-01-196303] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The role of reduced-intensity conditioning (RIC) regimens in pediatric cancer treatment is unclear. To define the efficacy of a busulfan/fludarabine/antithymocyte globulin RIC regimen in pediatric patients ineligible for myeloablative transplantation, we completed a trial at 23 institutions in the Pediatric Blood and Marrow Transplant Consortium. Forty-seven patients with hematologic malignancies were enrolled. Sustained engraftment occurred in 98%, 89%, and 90%, and full donor chimerism was achieved in 88%, 76%, and 78% of evaluable related bone marrow/peripheral blood stem cells (BM/PBSCs), unrelated BM/PBSCs, and unrelated cord blood recipients. With a median follow-up of 24 months (range, 11-53 months), 2-year event-free survival, overall survival (OS), transplantation-related mortality, and relapse were 40%, 45%, 11%, and 43%, respectively. Univariate analysis revealed an inferior outcome when patients had undergone previous total body irradiation (TBI)-containing myeloablative transplantation (2-year OS, 23% vs 63% vs 52%, previous TBI transplantation vs no TBI transplantation vs no transplantation, P = .02) and when patients not previously treated with TBI had detectable disease at the time of the RIC procedure (2-year OS, 0% vs 63%, detectable vs nondetectable disease, P = .01). Favorable outcomes can be achieved with RIC approaches in pediatric patients in remission who are ineligible for myeloablative transplantation. This study was registered at www.clinicaltrials.gov as #NCT00795132.
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Abstract
In patients with acute lymphoblastic leukemia (ALL), monitoring of minimal residual disease (MRD) offers a way to precisely assess early treatment response and detect relapse. Established methods to study MRD are flow cytometric detection of abnormal immunophenotypes, polymerase chain reaction (PCR) amplification of antigen-receptor genes, and PCR amplification of fusion transcripts. The strong correlation between MRD levels and risk of relapse in childhood ALL is well demonstrated; studies in adult patients also support its prognostic value. Hence, results of MRD studies can be used to select treatment intensity and duration, and to estimate the optimal timing for hematopoietic stem cell transplantation. Practical issues in the implementation of MRD assays in clinical studies include determining the most informative time point to study MRD and the levels of MRD that will trigger changes in treatment intensity, as well as the relative cost and informative power of different methodologies. The identification of new markers of leukemia and the use of increasingly refined assays should further facilitate routine monitoring of MRD and help to clarify the cellular and biologic features of leukemic cells that resist chemotherapy in vivo.
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Affiliation(s)
- Dario Campana
- Department of Oncology, St. Jude Children's Research Hospital, and Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN 38105, USA.
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Prognostic significance of minimal residual disease in infants with acute lymphoblastic leukemia treated within the Interfant-99 protocol. Leukemia 2009; 23:1073-9. [DOI: 10.1038/leu.2009.17] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Relapsed acute lymphoblastic leukemia: current status and future opportunities. Curr Oncol Rep 2009; 10:453-8. [PMID: 18928659 DOI: 10.1007/s11912-008-0070-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Significant improvements in primary therapy for childhood acute lymphoblastic leukemia (ALL) have led to dramatic increases in cure rates over the past few decades. Relapsed ALL, however, remains more common than new diagnoses of many common pediatric malignancies. Outcomes for patients with relapsed ALL remain poor, especially for patients with early bone marrow relapse. However, most relapse patients do achieve a second complete remission, followed by therapeutic options including further chemotherapy and hematopoietic stem cell transplant. The level of minimal residual disease after achieving second remission or before transplant may predict outcomes. The substantial likelihood of achieving second remission with familiar drug combinations may discourage participation in formal relapse studies. The high likelihood of achieving a third remission may discourage participation in single-agent trials of new drugs, despite the critical need for novel agents with activity against resistant disease that may improve outcomes for recurrent ALL.
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van der Velden VHJ, van Dongen JJM. MRD detection in acute lymphoblastic leukemia patients using Ig/TCR gene rearrangements as targets for real-time quantitative PCR. Methods Mol Biol 2009; 538:115-50. [PMID: 19277574 DOI: 10.1007/978-1-59745-418-6_7] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Minimal residual disease (MRD) diagnostics has proven to be clinically relevant for evaluation of treatment effectiveness in patients with acute lymphoblastic leukemia (ALL). In most ALL treatment protocols, MRD diagnostics is performed by real-time quantitative PCR (RQ-PCR) analysis of the junctional regions of rearranged immunoglobulin (Ig) and T-cell receptor (TCR) genes.MRD diagnostics via Ig/TCR genes is broadly applicable (>95% of ALL patients) and can reach a good sensitivity (< or =10 (-4)). However, the technique is complex and requires extensive knowledge and experience, because the junctional regions of each leukemia have to be identified before the patient-specific RQ-PCR assays can be designed for MRD monitoring. This chapter provides all relevant background information and technical aspects for the complete laboratory process from detection of the clonal Ig/TCR gene rearrangements in ALL cells at diagnosis to the actual MRD measurements in clinical follow-up samples. This information aims at facilitating the PCR-based MRD diagnostics in ALL patients. However, it should be noted that MRD diagnostics for clinical treatment protocols has to be accompanied by regular international quality control rounds to ensure the reproducibility and reliability of the MRD results.
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Stark B, Avigad S, Luria D, Manor S, Reshef-Ronen T, Avrahami G, Yaniv I. Bone marrow minimal disseminated disease (MDD) and minimal residual disease (MRD) in childhood T-cell lymphoblastic lymphoma stage III, detected by flow cytometry (FC) and real-time quantitative polymerase chain reaction (RQ-PCR). Pediatr Blood Cancer 2009; 52:20-5. [PMID: 19006253 DOI: 10.1002/pbc.21823] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Despite overlapping features of T-cell lymphoblastic lymphoma (T-LLy) and T-cell acute lymphoblastic leukemia (T-ALL), which respond favorably to T-ALL treatment, clinical and biological differences exist. We retrospectively assessed the prevalence of submicroscopic bone marrow (BM) minimal disseminated disease (MDD) at diagnosis and the early response to treatment (minimal residual disease--MRD) and their prognostic significance in 17 children with stage III T-LLy treated according to Berlin-Frankfurt-Munster (BFM) non-Hodgkin lymphoma protocols. PROCEDURE Four-color flow cytometry (FC) was used for lymphoma associated immunophenotype and real-time quantitative polymerase chain reaction (RQ-PCR) for T-cell receptor (TCR beta/delta/gamma) gene rearrangements with at least 0.01% sensitivity. RESULTS Two markers per patient were identified in all cases using FC and in 80% using RQ-PCR. BM MDD at diagnosis of >or=0.01% was detected by FC and RQ-PCR in 88% and 80% of patients, respectively, and by at least one of the methods in all patients. A significant correlation was achieved between the methods by Pearson correlation analysis (P = 0.004). MRD levels significantly decreased to very low levels on day 33 in 9 out of 10 patients studied. The only patient that remained positive relapsed. CONCLUSIONS MDD was prevalent in stage III T-LLy, for which we could not prove a prognostic significance in the context of ALL-like treatment. This study shows that both FC and RQ-PCR methods are efficient for MDD and MRD analyses in T-LLy.
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Affiliation(s)
- Batia Stark
- Center of Pediatric Hematology/Oncology, Schneider Children's Medical Center of Israel, Petah Tiqwa, Israel.
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Bader P, Kreyenberg H, Henze GHR, Eckert C, Reising M, Willasch A, Barth A, Borkhardt A, Peters C, Handgretinger R, Sykora KW, Holter W, Kabisch H, Klingebiel T, von Stackelberg A. Prognostic value of minimal residual disease quantification before allogeneic stem-cell transplantation in relapsed childhood acute lymphoblastic leukemia: the ALL-REZ BFM Study Group. J Clin Oncol 2008; 27:377-84. [PMID: 19064980 DOI: 10.1200/jco.2008.17.6065] [Citation(s) in RCA: 268] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
PURPOSE Minimal residual disease (MRD) before allogeneic stem-cell transplantation was shown to predict outcome in children with relapsed acute lymphoblastic leukemia (ALL) in retrospective analysis. To verify this, the Acute Lymphoblastic Leukemia Relapse Berlin-Frankfurt-Münster (ALL-REZ BFM) Study Group conducted a prospective trial. PATIENTS AND METHODS Between March 1999 and July 2005, 91 children with relapsed ALL treated according to the ALL-REZ BFM 96 or 2002 protocols and receiving stem-cell transplantation in >or= second remission were enrolled. MRD quantification was performed by real-time polymerase chain reaction using T-cell receptor and immunoglobulin gene rearrangements. RESULTS Probability of event-free survival (pEFS) and cumulative incidence of relapse (CIR) in 45 patients with MRD >or= 10(-4) leukemic cells was 0.27 and 0.57 compared with 0.60 and 0.13 in 46 patients with MRD less than 10(-4) leukemic cells (EFS, P = .004; CIR, P < .001). Intermediate-risk patients (strategic group S1) with MRD >or= 10(-4) leukemic cells (n = 14) had a pEFS of 0.20 and CIR of 0.73, whereas patients with MRD less than 10(-4) leukemic cells (n = 21) had a pEFS of 0.68 and CIR of 0.09 (EFS, P = .020; CIR, P < .001). High-risk patients (S3/4, third complete remission) who received transplantation with an MRD load of less than 10(-4) leukemic cells (n = 25) showed a pEFS and CRI of 0.53 and 0.18, respectively. In contrast, pEFS and CRI were 0.30 and 0.50 in patients who received transplantation with an MRD load of >or= 10(-4) leukemic cells. Multivariate Cox regression analysis revealed MRD as the only independent parameter predictive for EFS (P = .006). CONCLUSION MRD is an important predictor for post-transplantation outcome. As a result, new strategies with modified stem-cell transplantation procedures will be evaluated in ALL-BFM trials.
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Affiliation(s)
- Peter Bader
- Children's Hospital of the JW Goethe University, Frankfurt, Main, Germany.
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Ryan J, Quinn F, Meunier A, Boublikova L, Crampe M, Tewari P, O'Marcaigh A, Stallings R, Neat M, O'Meara A, Breatnach F, McCann S, Browne P, Smith O, Lawler M. Minimal residual disease detection in childhood acute lymphoblastic leukaemia patients at multiple time-points reveals high levels of concordance between molecular and immunophenotypic approaches. Br J Haematol 2008; 144:107-15. [PMID: 19016726 DOI: 10.1111/j.1365-2141.2008.07429.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this single centre study of childhood acute lymphoblastic leukaemia (ALL) patients treated on the Medical Research Council UKALL 97/99 protocols, it was determined that minimal residual disease (MRD) detected by real time quantitative polymerase chain reaction (RQ-PCR) and 3-colour flow cytometry (FC) displayed high levels of qualitative concordance when evaluated at multiple time-points during treatment (93.38%), and a combined use of both approaches allowed a multi time-point evaluation of MRD kinetics for 90% (53/59) of the initial cohort. At diagnosis, MRD markers with sensitivity of at least 0.01% were identified by RQ-PCR detection of fusion gene transcripts, IGH/TRG rearrangements, and FC. Using a combined RQ-PCR and FC approach, the evaluation of 367 follow-up BM samples revealed that the detection of MRD >1% at Day 15 (P = 0.04), >0.01% at the end of induction (P = 0.02), >0.01% at the end of consolidation (P = 0.01), >0.01% prior to the first delayed intensification (P = 0.01), and >0.1% prior to the second delayed intensification and continued maintenance (P = 0.001) were all associated with relapse and, based on early time-points (end of induction and consolidation) a significant log-rank trend (P = 0.0091) was noted between survival curves for patients stratified into high, intermediate and low-risk MRD groups.
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Affiliation(s)
- Jacqueline Ryan
- The John Durkan Laboratory for Leukaemia Research, Institute of Molecular Medicine, St James's Hospital & Trinity College Dublin, University of Dublin, Dublin, Ireland.
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Burke MJ, Trotz B, Luo X, Baker KS, Weisdorf DJ, Wagner JE, Verneris MR. Allo-hematopoietic cell transplantation for Ph chromosome-positive ALL: impact of imatinib on relapse and survival. Bone Marrow Transplant 2008; 43:107-13. [PMID: 18776928 DOI: 10.1038/bmt.2008.296] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The utility of imatinib in either the pre- or post-transplant period for Ph chromosome-positive (Ph+) ALL is uncertain. In addition, there have been recent concerns regarding imatinib and cardiac toxicity. We investigated the outcome of 32 patients with Ph+ ALL who received an allo-hematopoietic cell transplant (HCT) at the University of Minnesota between 1999 and 2006. The median age at HCT was 21.9 years (range: 2.8-55.2). All patients were conditioned with CY and TBI. GVHD prophylaxis was CsA based. Of the 32 patients, 15 received imatinib therapy pre- or post-HCT (imatinib group) and 17 patients received either no imatinib (n=11) or only after relapse (n=6) (non-imatinib group). Overall survival, relapse-free survival and relapse at 2 years was 61, 67 and 13% for the imatinib group as compared with 41, 35 and 35% for the non-imatinib group (P=0.19, 0.12 and 0.20, respectively). Cardiac toxicity and TRM at 2 years were similar between groups. Thus, patients treated with imatinib in either the pre- or post-transplant setting had trends toward improved outcomes and no increase in cardiac toxicity. We suggest that imatinib be included in the peri-transplant management of all patients with Ph+ ALL.
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Affiliation(s)
- M J Burke
- Division of Hematology/Oncology/Blood and Marrow Transplantation, Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455, USA.
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Campana D. Status of minimal residual disease testing in childhood haematological malignancies. Br J Haematol 2008; 143:481-9. [PMID: 18710378 DOI: 10.1111/j.1365-2141.2008.07350.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In children with acute leukaemia, measurements of minimal residual disease (MRD) provide unique information on treatment response and have become a crucial component of contemporary treatment protocols. In acute lymphoblastic leukaemia (ALL), the most useful MRD assays are based on polymerase chain reaction (PCR) amplification of antigen-receptor genes, and on flow cytometric detection of abnormal immunophenotypes. The latter is the only MRD assay available for most patients with acute myeloid leukaemia (AML). PCR amplification of chromosomal breakpoints and fusion transcripts can also be used to track MRD in a minority of patients with ALL or AML. Because of the strong correlation between MRD levels and risk of relapse, several ongoing regimens include treatment intensification for children with higher MRD. Treatment de-intensification for patients with early MRD clearance is also being tested. In addition to their direct clinical application, MRD measurements can be used to better understand the molecular and cellular mechanisms of drug resistance in vivo. The identification of new markers of leukaemia and the use of increasingly sophisticated technologies for detection of rare cells should further facilitate routine monitoring of MRD and elucidate the features of drug-resistant leukaemic cells.
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Affiliation(s)
- Dario Campana
- Department of Oncology, St. Jude Children's Research Hospital, and Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN 38105, USA.
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Spisek R. Immunoprevention of cancer: time to reconsider timing of vaccination against cancer. Expert Rev Anticancer Ther 2007; 6:1689-91. [PMID: 17181481 DOI: 10.1586/14737140.6.12.1689] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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van der Velden VHJ, Cazzaniga G, Schrauder A, Hancock J, Bader P, Panzer-Grumayer ER, Flohr T, Sutton R, Cave H, Madsen HO, Cayuela JM, Trka J, Eckert C, Foroni L, Zur Stadt U, Beldjord K, Raff T, van der Schoot CE, van Dongen JJM. Analysis of minimal residual disease by Ig/TCR gene rearrangements: guidelines for interpretation of real-time quantitative PCR data. Leukemia 2007; 21:604-11. [PMID: 17287850 DOI: 10.1038/sj.leu.2404586] [Citation(s) in RCA: 534] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Most modern treatment protocols for acute lymphoblastic leukaemia (ALL) include the analysis of minimal residual disease (MRD). To ensure comparable MRD results between different MRD-polymerase chain reaction (PCR) laboratories, standardization and quality control are essential. The European Study Group on MRD detection in ALL (ESG-MRD-ALL), consisting of 30 MRD-PCR laboratories worldwide, has developed guidelines for the interpretation of real-time quantitative PCR-based MRD data. The application of these guidelines ensures identical interpretation of MRD data between different laboratories of the same MRD-based clinical protocol. Furthermore, the ESG-MRD-ALL guidelines will facilitate the comparison of MRD data obtained in different treatment protocols, including those with new drugs.
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Schrauder A, Reiter A, Gadner H, Niethammer D, Klingebiel T, Kremens B, Peters C, Ebell W, Zimmermann M, Niggli F, Ludwig WD, Riehm H, Welte K, Schrappe M. Superiority of allogeneic hematopoietic stem-cell transplantation compared with chemotherapy alone in high-risk childhood T-cell acute lymphoblastic leukemia: results from ALL-BFM 90 and 95. J Clin Oncol 2007; 24:5742-9. [PMID: 17179108 DOI: 10.1200/jco.2006.06.2679] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The role of hematopoietic stem-cell transplantation (SCT) in first complete remission (CR1) for children with very high-risk (VHR) acute lymphoblastic leukemia (ALL) is still under critical discussion. PATIENTS AND METHODS In the ALL-Berlin-Frankfurt-Münster (BFM) 90 and ALL-BFM 95 trials, 387 patients were eligible for SCT if there was a matched sibling donor (MSD). T-cell ALL (T-ALL) patients with poor in vivo response to initial treatment represented the largest homogeneous subgroup within VHR patients. RESULTS Of 191 high-risk (HR) T-ALL patients, 179 patients (94%) achieved CR1. Twenty-three patients received an MSD-SCT. Furthermore, in trial ALL-BFM 95, eight matched unrelated donors (MUDs) and five mismatched family donors (MMFDs) were used. The median time to SCT was 5 months (range, 2.4 to 10.8 months) from diagnosis. The 5-year disease-free survival (DFS) was 67% +/- 8% for 36 patients who received an SCT in CR1 and 42% +/- 5% for the 120 patients treated with chemotherapy alone having an event-free survival time of at least the median time to transplantation (Mantel-Byar, P = .01). Overall survival (OS) rate for the SCT group was 67% +/- 8% at 5 years, whereas patients treated with chemotherapy alone had an OS rate of 47% +/- 5% at 5 years (Mantel-Byar, P = .01). Outcome of patients who received MSD-SCT versus MUD-/MMFD-SCT was comparable (DFS, 65% +/- 10% v 69% +/- 13%, respectively). However, relapses only occurred after MSD-SCT (eight of 23 patients), whereas treatment-related mortality only occurred after MUD-/MMFD-SCT (four of 13 patients). CONCLUSION SCT in CR1 is superior to treatment with chemotherapy alone for childhood HR-T-ALL.
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Affiliation(s)
- André Schrauder
- Department of Pediatrics, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
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Goulden N, Virgo P, Grimwade D. Minimal residual disease directed therapy for childhood acute myeloid leukaemia: the time is now. Br J Haematol 2006; 134:273-82. [PMID: 16848770 DOI: 10.1111/j.1365-2141.2006.06182.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The continued improvement in the prognosis of childhood acute myeloid leukaemia (AML) has been paralleled by the use of increasingly intensive therapy. This has led to attempts to develop risk-directed strategies in which the most intensive treatment is reserved for those at highest risk of relapse. Unfortunately, current approaches, which rely on cytogenetic sub-grouping and morphological assessment of response to therapy, are inaccurate. New prognostic factors are needed. This annotation proposes that the introduction of protocols based on the measurement of minimal residual disease (MRD) holds the key to progression from an era of 'cure at all costs' to a more individualised approach. However, the full potential of MRD technologies will only be realised through properly designed studies with scrupulous attention to logistics and quality assurance. The article illustrates which children may benefit most from MRD analysis in AML and explores practical issues that should be addressed in the design of clinical trials.
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van der Velden VHJ, Hoogeveen PG, Pieters R, van Dongen JJM. Impact of two independent bone marrow samples on minimal residual disease monitoring in childhood acute lymphoblastic leukaemia. Br J Haematol 2006; 133:382-8. [PMID: 16643444 DOI: 10.1111/j.1365-2141.2006.06056.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Minimal residual disease (MRD) diagnostics are used for risk group stratification in several acute lymphoblastic leukaemia (ALL) treatment protocols. It is, however, unclear whether MRD is homogeneously distributed within the bone marrow (BM) and whether this affects MRD diagnostics. We, therefore, analysed MRD levels in 141 paired BM samples (two independent punctures at different locations) from 26 ALL patients by real-time quantitative polymerase chain reaction (PCR) analysis of immunoglobulin and T-cell receptor gene rearrangements. MRD levels were comparable in 112 paired samples (79%), whereas two samples (both taken at day 15) had MRD levels that differed more than threefold. In the remaining 27 paired samples, MRD could be quantified or detected in one sample only. In four patients, MRD-based risk group classification was dependent on the site of BM puncture. Repetition of MRD analyses using 10-fold replicates instead of triplicates resolved most differences. In conclusion, MRD levels in paired BM samples were highly comparable, indicating that it is sufficient to analyse MRD in a single sample only. Nevertheless, MRD-based risk group classification can differ between paired BM samples, mainly because of variation below the quantitative range of the PCR assay rather than to a different distribution of leukaemic cells within the BM.
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Burjanivova T, Madzo J, Muzikova K, Meyer C, Schneider B, Votava F, Marschalek R, Stary J, Trka J, Zuna J. Prenatal origin of childhood AML occurs less frequently than in childhood ALL. BMC Cancer 2006; 6:100. [PMID: 16630339 PMCID: PMC1463004 DOI: 10.1186/1471-2407-6-100] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2006] [Accepted: 04/21/2006] [Indexed: 11/17/2022] Open
Abstract
Background While there is enough convincing evidence in childhood acute lymphoblastic leukemia (ALL), the data on the pre-natal origin in childhood acute myeloid leukemia (AML) are less comprehensive. Our study aimed to screen Guthrie cards (neonatal blood spots) of non-infant childhood AML and ALL patients for the presence of their respective leukemic markers. Methods We analysed Guthrie cards of 12 ALL patients aged 2–6 years using immunoglobulin (Ig) and T-cell receptor (TCR) gene rearrangements (n = 15) and/or intronic breakpoints of TEL/AML1 fusion gene (n = 3). In AML patients (n = 13, age 1–14 years) PML/RARalpha (n = 4), CBFbeta/MYH11 (n = 3), AML1/ETO (n = 2), MLL/AF6 (n = 1), MLL/AF9 (n = 1) and MLL/AF10 (n = 1) fusion genes and/or internal tandem duplication of FLT3 gene (FLT3/ITD) (n = 2) were used as clonotypic markers. Assay sensitivity determined using serial dilutions of patient DNA into the DNA of a healthy donor allowed us to detect the pre-leukemic clone in Guthrie card providing 1–3 positive cells were present in the neonatal blood spot. Results In 3 patients with ALL (25%) we reproducibly detected their leukemic markers (Ig/TCR n = 2; TEL/AML1 n = 1) in the Guthrie card. We did not find patient-specific molecular markers in any patient with AML. Conclusion In the largest cohort examined so far we used identical approach for the backtracking of non-infant childhood ALL and AML. Our data suggest that either the prenatal origin of AML is less frequent or the load of pre-leukemic cells is significantly lower at birth in AML compared to ALL cases.
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MESH Headings
- Biomarkers, Tumor/blood
- Bone Marrow Cells/chemistry
- Child
- Child, Preschool
- Clone Cells/chemistry
- Cohort Studies
- Core Binding Factor Alpha 2 Subunit/blood
- Core Binding Factor Alpha 2 Subunit/genetics
- DNA, Neoplasm/blood
- Female
- Fetal Blood/chemistry
- Gene Duplication
- Gene Rearrangement, B-Lymphocyte
- Gene Rearrangement, T-Lymphocyte
- Humans
- Infant
- Infant, Newborn
- Leukemia, Myeloid/blood
- Leukemia, Myeloid/embryology
- Leukemia, Myeloid/epidemiology
- Leukemia, Myeloid/genetics
- Male
- Myeloid-Lymphoid Leukemia Protein/blood
- Myeloid-Lymphoid Leukemia Protein/genetics
- Neonatal Screening
- Neoplasm Proteins/blood
- Neoplasm Proteins/genetics
- Oncogene Proteins, Fusion/blood
- Oncogene Proteins, Fusion/genetics
- Polymerase Chain Reaction
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/blood
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/embryology
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/epidemiology
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/genetics
- RUNX1 Translocation Partner 1 Protein
- Tandem Repeat Sequences
- fms-Like Tyrosine Kinase 3/blood
- fms-Like Tyrosine Kinase 3/genetics
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Affiliation(s)
- Tatiana Burjanivova
- CLIP – Childhood Leukaemia Investigation Prague, Czech Republic
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
| | - Jozef Madzo
- CLIP – Childhood Leukaemia Investigation Prague, Czech Republic
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
| | - Katerina Muzikova
- CLIP – Childhood Leukaemia Investigation Prague, Czech Republic
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
| | - Claus Meyer
- Institute of Pharmaceutical Biology/DCAL, University of Frankfurt, Frankfurt/Main, Germany
| | - Bjoern Schneider
- Institute of Pharmaceutical Biology/DCAL, University of Frankfurt, Frankfurt/Main, Germany
| | - Felix Votava
- Department of Pediatrics, Charles University Prague, 3rd Medical School, Czech Republic
| | - Rolf Marschalek
- Institute of Pharmaceutical Biology/DCAL, University of Frankfurt, Frankfurt/Main, Germany
| | - Jan Stary
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
| | - Jan Trka
- CLIP – Childhood Leukaemia Investigation Prague, Czech Republic
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
| | - Jan Zuna
- CLIP – Childhood Leukaemia Investigation Prague, Czech Republic
- Department of Pediatric Hematology and Oncology, Charles University Prague, 2nd Medical School, Czech Republic
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Abstract
Acute lymphoblastic leukaemia (ALL) is the most common childhood cancer. Treatment has improved but relapsed ALL remains more common than new cases of many 'common' paediatric malignancies. We have salvage regimens with substantial complete remission (CR) rates and increasing access to haematopoietic stem cell transplantation, but most patients who relapse die. We need better therapies. Insights into pharmacology may guide more effective use of existing agents. Novel agents with activity against resistant lymphoblasts offer an appealing strategy. However, most candidate agents fail, despite enthusiastic investigators, intriguing mechanisms of action and 'compelling' preclinical data. A number of existing combinations provide a 40% complete response rate in second or third relapse. Yet survival in third remission is <10%. Novel agents must, most likely, be integrated into multiagent combinations that provide a higher CR rate or better quality CR's than our conventional combinations in order to contribute substantially to cure. The march from bench to bedside requires careful consideration of the intermediate steps.
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Affiliation(s)
- Paul S Gaynon
- Hematology Oncology, Childrens Hospital of Los Angeles, University of Southern California, Los Angeles, CA 90027-6062, USA.
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Affiliation(s)
- Süreyya Savaşan
- Children's Hospital of Michigan, Hematology/Oncology Division, 3901 Beaubien Blvd., Detroit, MI 48301, USA
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44
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Schilham MW, Balduzzi A, Bader P. Is there a role for minimal residual disease levels in the treatment of ALL patients who receive allogeneic stem cells? Bone Marrow Transplant 2005; 35 Suppl 1:S49-52. [PMID: 15812531 DOI: 10.1038/sj.bmt.1704847] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Relapse is the major complication after allogeneic stem cell transplantation (SCT) for acute lymphoblastic leukemia (ALL) in children. Since it has been possible to measure minimal residual disease (MRD) by real-time quantitative polymerase chain reaction, this parameter is used more frequently in the treatment of ALL. In this article, the role of MRD and chimerism in the treatment and monitoring of pediatric transplantation recipients is described. Pre-SCT MRD levels can predict the risk of relapse and can thus be used to adjust treatment. Post-SCT MRD levels and changes in chimerism can predict relapses as well, although not many treatment options are available today, except relying on a graft-versus-leukemia effect mediated by graft-versus-host disease. Finding new treatments will be the challenge for the near future.
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Affiliation(s)
- M W Schilham
- Department of Pediatrics, Leiden University Medical Center, Leiden, NL, The Netherlands.
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45
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Kerst G, Kreyenberg H, Roth C, Well C, Dietz K, Coustan-Smith E, Campana D, Koscielniak E, Niemeyer C, Schlegel PG, Müller I, Niethammer D, Bader P. Concurrent detection of minimal residual disease (MRD) in childhood acute lymphoblastic leukaemia by flow cytometry and real-time PCR. Br J Haematol 2005; 128:774-82. [PMID: 15755280 DOI: 10.1111/j.1365-2141.2005.05401.x] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Minimal (i.e. submicroscopic) residual disease (MRD) predicts outcome in childhood acute lymphoblastic leukaemia (ALL). To be used clinically, MRD assays must be reliable and accurate. Two well-established techniques, flow cytometry (FC) and polymerase chain reaction (PCR), can detect leukaemic cells with a sensitivity of 0.01% (10(-4)). We analysed diagnostic samples of 45 ALL-patients (37 B-lineage ALL, eight T-lineage ALL) by four-colour FC and real-time PCR. Leukaemia-associated immunophenotypes, at a sensitivity of MRD detection by FC at the 0.01% level, were identified in 41 cases (91%); antigen-receptor gene rearrangements suitable for MRD detection with a sensitivity of 0.01% or better by PCR were identified in 38 cases (84%). The combined use of FC and PCR allowed MRD monitoring in all 45 patients. In 105 follow-up samples, MRD estimates by both methods were highly concordant, with a deviation factor of <5 by Bland-Altman analysis. Importantly, the concordance between FC and PCR was also observed in regenerating bone marrow samples containing high proportions of CD19(+) cells, and in samples studied 24 h after collection. We conclude that both MRD assays yield generally concordant results. Their combined use should enable MRD monitoring in virtually all patients and prevent false-negative results due to clonal evolution or phenotypic shifts.
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Affiliation(s)
- Gunter Kerst
- Department of Pediatric Haematology and Oncology, University Children's Hospital, D-72076 Tübingen, Germany.
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46
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van der Velden VHJ, Brüggemann M, Hoogeveen PG, de Bie M, Hart PG, Raff T, Pfeifer H, Lüschen S, Szczepański T, van Wering ER, Kneba M, van Dongen JJM. TCRB gene rearrangements in childhood and adult precursor-B-ALL: frequency, applicability as MRD-PCR target, and stability between diagnosis and relapse. Leukemia 2004; 18:1971-80. [PMID: 15470492 DOI: 10.1038/sj.leu.2403505] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Using the multiplex PCR tubes of the BIOMED-2 Concerted Action, TCRB gene rearrangements were detected in 35% of childhood (n=161) and adult (n=172) precursor-B-ALL patients (Vbeta-(Dbeta)-Jbeta in 25%; Dbeta-Jbeta in 15%). The presence of TCRB rearrangements showed a significant relation with age (highest frequency of 46% between 5 and 10 years of age) and the presence of TEL-AML1 transcripts, and was associated with relatively high frequencies of IGK-Kde, TCRG, and Vdelta2-Jalpha rearrangements. In 62 out of 65 patients with Southern blot-detected Vbeta-(Dbeta)-Jbeta and/or Dbeta-Jbeta rearrangements, at least one TCRB gene rearrangement was detected by PCR. Based on combined Southern blot and PCR analysis, oligoclonal TCRB gene rearrangements were observed in only 12% of patients. Analysis of paired diagnosis and relapse samples (n=26) showed that 20 out of 24 (83%) Vbeta-(Dbeta)-Jbeta rearrangements and eight out of 14 (57%) Dbeta-Jbeta rearrangements remained stable. Using real-time quantitative PCR, a quantitative range < or =10(-4) was obtained in 64% of TCRB gene rearrangements and in 86% of cases a sensitivity < or =10(-4) was obtained. In conclusion, TCRB gene rearrangements occur in 35% of precursor-B-ALL patients and are relatively stable and sensitive PCR targets for detection of minimal residual disease, particularly if this concerns complete Vbeta-(Dbeta)-Jbeta rearrangements.
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MESH Headings
- Adult
- Blotting, Southern
- Child
- Child, Preschool
- Core Binding Factor Alpha 2 Subunit
- Gene Rearrangement, T-Lymphocyte/genetics
- Genes, T-Cell Receptor beta/genetics
- Humans
- Neoplasm Recurrence, Local/diagnosis
- Neoplasm Recurrence, Local/genetics
- Neoplasm, Residual/diagnosis
- Neoplasm, Residual/genetics
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/diagnosis
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/genetics
- Reverse Transcriptase Polymerase Chain Reaction
- Sensitivity and Specificity
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Affiliation(s)
- V H J van der Velden
- Department of Immunology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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47
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Pui CH, Schrappe M, Masera G, Nachman J, Gadner H, Eden OB, Evans WE, Gaynon P. Ponte di Legno Working Group: statement on the right of children with leukemia to have full access to essential treatment and report on the Sixth International Childhood Acute Lymphoblastic Leukemia Workshop. Leukemia 2004; 18:1043-53. [PMID: 15085155 DOI: 10.1038/sj.leu.2403365] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- C-H Pui
- St Jude Children's Research Hospital, Memphis, TN, USA.
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48
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Coustan-Smith E, Gajjar A, Hijiya N, Razzouk BI, Ribeiro RC, Rivera GK, Rubnitz JE, Sandlund JT, Andreansky M, Hancock ML, Pui CH, Campana D. Clinical significance of minimal residual disease in childhood acute lymphoblastic leukemia after first relapse. Leukemia 2004; 18:499-504. [PMID: 14981525 DOI: 10.1038/sj.leu.2403283] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Using flow cytometric techniques capable of detecting 0.01% leukemic cells, we prospectively studied minimal residual disease (MRD) in patients with acute lymphoblastic leukemia (ALL) after first relapse. At the end of remission reinduction, 41 patients had a bone marrow sample adequate for MRD studies; 35 of these were in morphologic remission. Of the 35 patients, 19 (54%) had MRD >/=0.01%, a finding that was associated with subsequent leukemia relapse. The 2-year cumulative incidence of second leukemia relapse was 70.2+/-12.3% for the 19 MRD-positive patients and 27.9+/-12.4% for the 16 MRD-negative patients (P=0.008). Among patients with a first relapse off therapy, 2-year second relapse rates were 49.1+/-17.8% in the 12 MRD-positive and 0% in the 11 MRD-negative patients (P=0.014); among those who received only chemotherapy after first relapse, the 2-year second relapse rates were 81.5+/-14.4% (n=12) and 25.0+/-13.1% (n=13), respectively (P=0.004). Time of first relapse and MRD were the only two significant predictors of outcome in a multivariate analysis. We conclude that MRD assays should be used to guide the selection of postremission therapy in patients with ALL in first relapse.
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Affiliation(s)
- E Coustan-Smith
- Department of Hematology-Oncology, Children's Research Hospital, Memphis, TN, USA
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49
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Neale GAM, Coustan-Smith E, Stow P, Pan Q, Chen X, Pui CH, Campana D. Comparative analysis of flow cytometry and polymerase chain reaction for the detection of minimal residual disease in childhood acute lymphoblastic leukemia. Leukemia 2004; 18:934-8. [PMID: 15029212 DOI: 10.1038/sj.leu.2403348] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Minimal residual disease (MRD) is an independent prognostic factor in childhood acute lymphoblastic leukemia (ALL). The most widely applied MRD assays in ALL are flow cytometric identification of leukemia immunophenotypes and polymerase chain reaction (PCR) amplification of antigen-receptor genes. We measured MRD by both assays in 227 patients with childhood B-lineage ALL. Of 1375 samples (736 bone marrow and 639 peripheral blood) examined, MRD was <0.01% in 1200, and > or =0.01% in 129 by both assays; MRD levels measured by the two methods correlated well. Of the remaining 46 samples, 28 had MRD > or =0.01% by flow cytometry but <0.01% by PCR. However, PCR (which had a consistent sensitivity of 0.001%) detected leukemic gene rearrangements in 26 of these 28 samples. Conversely, in 18 samples, MRD was > or =0.01% by PCR but <0.01% by flow cytometry. In nine of these samples, flow cytometry had a sensitivity of 0.001%, and detected aberrant immunophenotypes in eight samples. Therefore, the two most widely used methods for MRD detection in ALL yield concordant results in the vast majority of cases, although the estimated levels of MRD may vary in some. The use of the two methods in tandem ensures MRD monitoring in all patients.
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Affiliation(s)
- G A M Neale
- Department of Hematology-Oncology, St Jude Children's Research Hospital, Memphis, TN 38105, USA
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50
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Recent publications in hematological oncology. Hematol Oncol 2004; 21:181-8. [PMID: 14760827 DOI: 10.1002/hon.709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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