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Neuroblastoma survivors are at increased risk for second malignancies: A report from the International Neuroblastoma Risk Group Project.

ABSTRACT: BACKGROUND:The incidence of second malignant neoplasm (SMN) within the first ten years of diagnosis in high-risk neuroblastoma patients treated with modern, intensive therapy is unknown. Further, the underlying germline genetics that contribute to SMN in these survivors are not known. METHODS:The International Neuroblastoma Risk Group (INRG) database of patients diagnosed from 1990 to 2010 was analysed. SMN risk was accessed by cumulative incidence, standardised incidence ratios (SIRs) and absolute excess risk. A candidate gene-based association study evaluated genetic susceptibility to SMN in neuroblastoma survivors. RESULTS:Of the 5987 patients in the INRG database with SMN data enrolled in a clinical trial, 43 (0.72%) developed a SMN. The 10-year cumulative incidence of SMN for high-risk patients was 1.8% (95% confidence interval [CI] 1.0-2.6%) compared with 0.38% (95% CI: 0.22-0.94%) for low-risk patients (P = 0.01). High-risk patients had an almost 18-fold higher incidence of SMN compared to age- and sex-matched controls (SIR = 17.5 (95% CI: 11.4-25.3), absolute excess risk = 27.6). For patients treated on high- and intermediate-risk clinical trials, the SIR of acute myelogenous leukaemia was 106.8 (95% CI: 28.7-273.4) and 127.7 (95%CI: 25.7-373.3), respectively. Variants implicating DNA repair genes XRCC3 (rs861539: P = 0.006; odds ratio: 2.04, 95%CI: 1.19-3.46) and MSH2 (rs17036651: P = 0.009; odds ratio: 0.26, 95% CI: 0.08-0.81) were associated with SMN. CONCLUSION:The intensive multi-modality treatment strategy currently used to treat high-risk neuroblastoma is associated with a significantly increased risk of secondary acute myelogenous leukaemia. Defining the interactions of treatment exposures and genetic factors that promote the development of SMN is critical for optimising survivorship care.

SUBMITTER: Applebaum MA

PROVIDER: S-EPMC5258837 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Neuroblastoma survivors are at increased risk for second malignancies: A report from the International Neuroblastoma Risk Group Project.

Applebaum Mark A MA Vaksman Zalman Z Lee Sang Mee SM Hungate Eric A EA Henderson Tara O TO London Wendy B WB Pinto Navin N Volchenboum Samuel L SL Park Julie R JR Naranjo Arlene A Hero Barbara B Pearson Andrew D AD Stranger Barbara E BE Cohn Susan L SL Diskin Sharon J SJ

European journal of cancer (Oxford, England : 1990) 20161226

<h4>Background</h4>The incidence of second malignant neoplasm (SMN) within the first ten years of diagnosis in high-risk neuroblastoma patients treated with modern, intensive therapy is unknown. Further, the underlying germline genetics that contribute to SMN in these survivors are not known.<h4>Methods</h4>The International Neuroblastoma Risk Group (INRG) database of patients diagnosed from 1990 to 2010 was analysed. SMN risk was accessed by cumulative incidence, standardised incidence ratios ( ...[more]

PMID: 28033528

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Project description:BackgroundChildhood cancer survivors are at risk for cardiovascular disease. We assessed the burden of potentially modifiable cardiometabolic risk factors (CRF) among survivors compared with population-matched controls.MethodsSurvivors previously enrolled on Pediatric Oncology Group protocols 9404, 9425, 9426, 9754, and Dana-Farber Cancer Institute 95-01 from 1996 to 2001 with acute lymphoblastic leukemia/lymphoma, Hodgkin lymphoma, or osteosarcoma were prospectively assessed for the prevalence of CRFs and compared with an age, sex, and race/ethnicity-matched 2013 National Health and Nutrition Examination Survey (NHANES) population. We estimated future predicted cardiovascular risk based on general population (e.g., Framingham) and Childhood Cancer Survivor Study (CCSS) models.ResultsCompared with NHANES (n = 584), survivors [n = 164; 44.5% female, median age 28 years (range, 16-38 years); median 17.4 years (range, 13-22 years) since cancer diagnosis; median doxorubicin dose 300 mg/m2; 30.5% chest radiation] had similar rates of obesity, diabetes, and dyslipidemia, but more prehypertension/hypertension (38.4% vs. 30.1%, P = 0.044). Survivors had fewer metabolic syndrome features compared with NHANES (≥2 features: 26.7% vs. 55.9%; P < 0.001). Survivors were more physically active and smoked tobacco less (both P < 0.0001). Therefore, general population cardiovascular risk scores were lower for survivors versus NHANES. However, with CCSS models, 30.5% of survivors were at moderate risk of ischemic heart disease, and >95% at moderate/high risk for heart failure, with a 9% to 12% predicted incidence of these conditions by age 50 years.ConclusionsChildhood cancer survivors exhibited similar or better cardiometabolic and lifestyle profiles compared with NHANES, but nonetheless are at risk for future clinically significant cardiovascular disease.ImpactFurther strategies supporting optimal CRF control are warranted in survivors. See related commentary by Mulrooney, p. 515.

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Neuroblastoma survivors are at increased risk for second malignancies: A report from the International Neuroblastoma Risk Group Project.

Publications

Neuroblastoma survivors are at increased risk for second malignancies: A report from the International Neuroblastoma Risk Group Project.

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