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Risk factors and outcomes in children with high-risk B-cell precursor and T-cell relapsed acute lymphoblastic leukaemia: combined analysis of ALLR3 and ALL-REZ BFM 2002 clinical trials
C. Eckert, C. Parker, AV. Moorman, JA. Irving, R. Kirschner-Schwabe, S. Groeneveld-Krentz, T. Révész, P. Hoogerbrugge, J. Hancock, R. Sutton, G. Henze, C. Chen-Santel, A. Attarbaschi, JP. Bourquin, L. Sramkova, M. Zimmermann, S. Krishnan, A. von...
Language English Country Great Britain
Document type Journal Article, Multicenter Study, Research Support, Non-U.S. Gov't
Grant support
A6791
Cancer Research UK - United Kingdom
- MeSH
- Time Factors MeSH
- Child MeSH
- Progression-Free Survival MeSH
- Gene Dosage MeSH
- Risk Assessment MeSH
- Karyotype MeSH
- Clinical Trials as Topic MeSH
- Humans MeSH
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma diagnosis genetics mortality therapy MeSH
- Adolescent MeSH
- Mutation MeSH
- Biomarkers, Tumor genetics MeSH
- Graft vs Host Disease etiology MeSH
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma diagnosis genetics mortality therapy MeSH
- Child, Preschool MeSH
- Disease-Free Survival MeSH
- Disease Progression MeSH
- Antineoplastic Combined Chemotherapy Protocols adverse effects therapeutic use MeSH
- Recurrence MeSH
- Neoplasm, Residual MeSH
- Risk Factors MeSH
- Hematopoietic Stem Cell Transplantation * adverse effects MeSH
- Check Tag
- Child MeSH
- Humans MeSH
- Adolescent MeSH
- Male MeSH
- Child, Preschool MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Multicenter Study MeSH
- Research Support, Non-U.S. Gov't MeSH
AIM: Outcomes of children with high-risk (HR) relapsed acute lymphoblastic leukaemia (ALL) (N = 393), recruited to ALLR3 and ALL-REZ BFM 2002 trials, were analysed. Minimal residual disease (MRD) was assessed after induction and at predetermined time points until haematopoietic stem cell transplantation (SCT). METHODS: Genetic analyses included karyotype, copy-number alterations and mutation analyses. Ten-year survivals were analysed using Kaplan-Meier and Cox models for multivariable analyses. RESULTS: Outcomes of patients were comparable in ALLR3 and ALL-REZ BFM 2002. The event-free survival of B-cell precursor (BCP) and T-cell ALL (T-ALL) was 22.6% and 26.2% (P = 0.94), respectively, and the overall survival (OS) was 32.6% and 28.2% (P = 0.11), respectively. Induction failures (38%) were associated with deletions of NR3C1 (P = 0.002) and BTG1 (P = 0.03) in BCP-ALL. The disease-free survival (DFS) and OS in patients with good vs poor MRD responses were 57.4% vs 22.6% (P < 0.0001) and 57.8% vs 32.0% (P = 0.0004), respectively. For BCP- and T-ALL, the post-SCT DFS and OS were 42.1% and 56.8% (P = 0.26) and 51.6% and 55.4% (P = 0.67), respectively. The cumulative incidences of post-SCT relapse for BCP- and T-ALL were 36.9% and 17.8% (P = 0.012) and of death were 10.7% and 25.5% (P = 0.013), respectively. Determinants of outcomes after SCT were acute graft versus host disease, pre-SCT MRD (≥10-3), HR cytogenetics and TP53 alterations in BCP-ALL. CONCLUSION: Improvements in outcomes for HR ALL relapses require novel compounds in induction therapy to improve remission rates and immune targeted therapy after induction to maintain remission after SCT. TRIAL REGISTRATION: ALLR3: NCT00967057; ALL REZ-BFM 2002: NCT00114348.
Department of Pediatric Hematology and Oncology Hannover Medical School Hannover Germany
Department of Pediatric Oncology Hematology Charité Universitätsmedizin Berlin Berlin Germany
Department of Pediatric Oncology University Children's Hospital Zurich Switzerland
German Cancer Consortium and German Cancer Research Center Im Neuenheimer Feld Heidelberg Germany
Southmead Hospital Bristol Genetics Laboratory Bristol UK
Tata Translational Cancer Research Centre Tata Medical Center New Town Kolkata India
University Children's Hospital University Medical Center Rostock Rostock Germany
References provided by Crossref.org
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- $a Eckert, Cornelia $u Department of Pediatric Oncology Hematology, Charité - Universitätsmedizin Berlin, Berlin, Germany; German Cancer Consortium, and German Cancer Research Center, Im Neuenheimer Feld, Heidelberg, Germany. Electronic address: cornelia.eckert@charite.de
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- $a Risk factors and outcomes in children with high-risk B-cell precursor and T-cell relapsed acute lymphoblastic leukaemia: combined analysis of ALLR3 and ALL-REZ BFM 2002 clinical trials / $c C. Eckert, C. Parker, AV. Moorman, JA. Irving, R. Kirschner-Schwabe, S. Groeneveld-Krentz, T. Révész, P. Hoogerbrugge, J. Hancock, R. Sutton, G. Henze, C. Chen-Santel, A. Attarbaschi, JP. Bourquin, L. Sramkova, M. Zimmermann, S. Krishnan, A. von Stackelberg, V. Saha
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- $a AIM: Outcomes of children with high-risk (HR) relapsed acute lymphoblastic leukaemia (ALL) (N = 393), recruited to ALLR3 and ALL-REZ BFM 2002 trials, were analysed. Minimal residual disease (MRD) was assessed after induction and at predetermined time points until haematopoietic stem cell transplantation (SCT). METHODS: Genetic analyses included karyotype, copy-number alterations and mutation analyses. Ten-year survivals were analysed using Kaplan-Meier and Cox models for multivariable analyses. RESULTS: Outcomes of patients were comparable in ALLR3 and ALL-REZ BFM 2002. The event-free survival of B-cell precursor (BCP) and T-cell ALL (T-ALL) was 22.6% and 26.2% (P = 0.94), respectively, and the overall survival (OS) was 32.6% and 28.2% (P = 0.11), respectively. Induction failures (38%) were associated with deletions of NR3C1 (P = 0.002) and BTG1 (P = 0.03) in BCP-ALL. The disease-free survival (DFS) and OS in patients with good vs poor MRD responses were 57.4% vs 22.6% (P < 0.0001) and 57.8% vs 32.0% (P = 0.0004), respectively. For BCP- and T-ALL, the post-SCT DFS and OS were 42.1% and 56.8% (P = 0.26) and 51.6% and 55.4% (P = 0.67), respectively. The cumulative incidences of post-SCT relapse for BCP- and T-ALL were 36.9% and 17.8% (P = 0.012) and of death were 10.7% and 25.5% (P = 0.013), respectively. Determinants of outcomes after SCT were acute graft versus host disease, pre-SCT MRD (≥10-3), HR cytogenetics and TP53 alterations in BCP-ALL. CONCLUSION: Improvements in outcomes for HR ALL relapses require novel compounds in induction therapy to improve remission rates and immune targeted therapy after induction to maintain remission after SCT. TRIAL REGISTRATION: ALLR3: NCT00967057; ALL REZ-BFM 2002: NCT00114348.
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