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Childhood leukemia

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https://www.readbyqxmd.com/read/28324281/detection-of-minimal-residual-disease-in-childhood-b-acute-lymphoblastic-leukemia-by-4-color-flowcytometry
#1
Ahmad Baraka, Laila M Sherief, Naglaa M Kamal, Shereen El Shorbagy
Monitoring of minimal residual disease (MRD) is currently considered the most powerful predictor of outcome in acute lymphoblastic leukemia (ALL). Achievement of a negative MRD state assessed by multicolor flowcytometry (MFC) is an important predictor of disease-free survival (DFS) and overall survival (OS) in ALL patients. We sought to determine whether panels of antibodies combination are more suitable for detection of MRD in Childhood ALL. Eighty-four (84) patients with ALL (B-lineage subtype) were enrolled in this study...
March 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28323471/estimating-the-proportion-of-childhood-cancer-cases-and-costs-attributable-to-the-environment-in-california
#2
Lauren Nelson, Jhaqueline Valle, Galatea King, Paul K Mills, Maxwell J Richardson, Eric M Roberts, Daniel Smith, Paul English
OBJECTIVES: To estimate the proportion of cases and costs of the most common cancers among children aged 0 to 14 years (leukemia, lymphoma, and brain or central nervous system tumors) that were attributable to preventable environmental pollution in California in 2013. METHODS: We conducted a literature review to identify preventable environmental hazards associated with childhood cancer. We combined risk estimates with California-specific exposure prevalence estimates to calculate hazard-specific environmental attributable fractions (EAFs)...
March 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28319818/a-task-based-assessment-of-parental-occupational-exposure-to-pesticides-and-childhood-acute-lymphoblastic-leukemia
#3
Robert B Gunier, Alice Kang, S Katharine Hammond, Kyndaron Reinier, C Suzanne Lea, Jeffrey S Chang, Monique Does, Ghislaine Scelo, Janice Kirsch, Vonda Crouse, Robert Cooper, Patricia Quinlan, Catherine Metayer
OBJECTIVES: Associations between parental occupational pesticide exposure and childhood acute lymphoblastic leukemia (ALL) vary across studies, likely due to different exposure assessment methodologies. METHODS: We assessed parental occupational pesticide exposure from the year before pregnancy to the child's third year of life for 669 children diagnosed with ALL and 1021 controls. We conducted expert rating using task-based job modules (JM) to estimate exposure to pesticides among farmer workers, gardeners, agricultural packers, and pesticide applicators...
March 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28317081/pharmacogenetic-predictors-of-treatment-related-toxicity-among-children-with-acute-lymphoblastic-leukemia
#4
REVIEW
Rochelle R Maxwell, Peter D Cole
PURPOSE OF REVIEW: The aim of this review is to summarize the most recent and most robust pharmacogenetic predictors of treatment-related toxicity (TRT) in childhood acute lymphoblastic leukemia (ALL). RECENT FINDINGS: Multiple studies have examined the toxicities of the primary chemotherapeutic agents used to treat childhood ALL in relation to host genetic factors. However, few results have been replicated independently, largely due to cohort differences in ancestry, chemotherapy treatment protocols, and definitions of toxicities...
March 20, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28297628/genetic-basis-of-acute-lymphoblastic-leukemia
#5
Ilaria Iacobucci, Charles G Mullighan
Acute lymphoblastic leukemia (ALL) is the most common childhood cancer, and despite cure rates exceeding 90% in children, it remains an important cause of morbidity and mortality in children and adults. The past decade has been marked by extraordinary advances into the genetic basis of leukemogenesis and treatment responsiveness in ALL. Both B-cell and T-cell ALL comprise multiple subtypes harboring distinct constellations of somatic structural DNA rearrangements and sequence mutations that commonly perturb lymphoid development, cytokine receptors, kinase and Ras signaling, tumor suppression, and chromatin modification...
March 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28292479/costs-for-childhood-and-adolescent-cancer-90-days-prediagnosis-and-1-year-postdiagnosis-a-population-based-study-in-ontario-canada
#6
Claire de Oliveira, Karen E Bremner, Ning Liu, Mark L Greenberg, Paul C Nathan, Mary L McBride, Murray D Krahn
BACKGROUND: Childhood and adolescent cancers are uncommon, but they have important economic and health impacts on patients, families, and health care systems. Few studies have measured the economic burden of care for childhood and adolescent cancers. OBJECTIVES: To estimate costs of cancer care in population-based cohorts of children and adolescents from the public payer perspective. METHODS: We identified patients with cancer, aged 91 days to 19 years, diagnosed from 1995 to 2009 using cancer registry data, and matched each to three noncancer controls...
March 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28292214/adamtsl5-and-cdh11-putative-epigenetic-markers-for-therapeutic-resistance-in-acute-lymphoblastic-leukemia
#7
Maha Abdullah, Chee Wei Choo, Hamidah Alias, Eni Juraidah Abdul Rahman, Hishamshah Mohd Ibrahim, Rahman Jamal, Noor Hamidah Hussin
BACKGROUND AND OBJECTIVES: DNA hypermethylation has been linked to poor treatment outcome in childhood acute lymphoblastic leukemia (ALL). Genes differentially methylated in the chemoresponsive pre-B-ALL compared to chemoresistant pre-B-ALL cases provide potential prognostic markers. METHODS: DNA methylation profiles of five B-ALL childhood patients who achieved morphological complete remission (chemoresponsive) and five B-ALL patients who did not (chemoresistant) after induction treatments as well as four normal controls were compared on 27 000 CpG sites microarray chips...
March 15, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28288025/coffee-and-cancer-risk-a-summary-overview
#8
Gianfranco Alicandro, Alessandra Tavani, Carlo La Vecchia
We reviewed available evidence on coffee drinking and the risk of all cancers and selected cancers updated to May 2016. Coffee consumption is not associated with overall cancer risk. A meta-analysis reported a pooled relative risk (RR) for an increment of 1 cup of coffee/day of 1.00 [95% confidence interval (CI): 0.99-1.01] for all cancers. Coffee drinking is associated with a reduced risk of liver cancer. A meta-analysis of cohort studies found an RR for an increment of consumption of 1 cup/day of 0.85 (95% CI: 0...
March 10, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28287336/current-outlook-of-childhood-cancer-epidemiology-in-a-middle-income-country-under-a-public-health-insurance-program
#9
Roberto Rivera-Luna, Liliana Velasco-Hidalgo, Marta Zapata-Tarrés, Rocío Cárdenas-Cardos, Marco R Aguilar-Ortiz
In Mexico, childhood cancer (0-18 years) is treated in a multidisciplinary way while providing care for more than half of the affected children through a public medical insurance. This insurance is given to all children who do not have any health care coverage in Mexico. This program is offered to the poorest of all Mexicans. All the children with this disease are submitted to pathology diagnosis and treatment according to national treatment protocols from 57 accredited medical institutions. From 2007 to 2015, a total of 24,039 children with cancer have been registered; the male gender predominates by 55%...
March 13, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/28287332/association-of-energy-intake-and-expenditure-with-obesity-a-cross-sectional-study-of-150-pediatric-patients-following-treatment-for-leukemia
#10
Richa Srivastava, Atul Batra, Deepa Dhawan, Sameer Bakhshi
Increased obesity in leukemia survivors has been attributed to chemotherapy and radiation. Data on total energy intake (TEI) and total energy expenditure (TEE) are lacking in obese childhood leukemia patients after completion of therapy from India. We conducted a cross-sectional study in pediatric acute leukemia patients after completion of therapy wherein energy intake was assessed by 24-hour recall method. TEE was calculated using Harris-Benedict equation, by assessing the physical activity level using Physical Activity Questionnaire for children and basal metabolic rate by World Health Organization equation...
March 13, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/28274961/lipid-and-lipoprotein-abnormalities-in-acute-lymphoblastic-leukemia-survivors
#11
Sophia Morel, Jade Leahy, Maryse Fournier, Benoit Lamarche, Carole Garofalo, Guy Grimard, Floriane Poulain, Edgard Delvin, Caroline Laverdière, Maja Krajinovic, Simon Drouin, Daniel Sinnett, Valérie Marcil, Emile Levy
Survivors of acute lymphoblastic leukemia (ALL), the most common cancer in children, are at increased risk of developing late cardiometabolic conditions. However, the mechanisms are not fully understood. The study aimed to characterize plasma lipid profile, Apolipoprotein (Apo) distribution and lipoprotein composition of 80 childhood ALL survivors compared to 22 healthy controls. Our results show that, despite their young age, 50% of the ALL survivors displayed dyslipidemia, characterized by increased plasma TG and LDL-cholesterol, as well as decreased HDL-cholesterol...
March 8, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28271997/a-retrospective-study-of-clinical-profile-and-long-term-outcome-to-imatinib-mesylate-alone-in-childhood-chronic-myeloid-leukemia-in-chronic-phase
#12
(no author information available yet)
OBJECTIVE: Chronic myeloid leukemia (CML) is relatively rare malignancy in childhood. There are limited studies of use of Imatinib Mesylate (IM) alone in management of CML in this age group. METHOD: We retrospectively analyzed the outcome of 30 consecutive children with CML chronic phase treated with IM alone. RESULTS: The median age at the time of diagnosis was 11 years with male preponderance. Asthenia and abdominal discomfort due to splenomegaly were the most common presenting features and splenomegaly a dominant sign...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28257590/advanced-paternal-age-and-childhood-cancer-in-offspring-a-nationwide-register-based-cohort-study
#13
Stine Kjaer Urhoj, Ole Raaschou-Nielsen, Anne Vinkel Hansen, Laust Hvas Mortensen, Per Kragh Andersen, Anne-Marie Nybo Andersen
Cancer initiation is presumed to occur in utero for many childhood cancers and it has been hypothesized that advanced paternal age may have an impact due to the increasing number of mutations in the sperm DNA with increasing paternal age. We examined the association between paternal age and specific types of childhood cancer in offspring in a large nationwide cohort of 1,904,363 children born in Denmark from 1978 through 2010. The children were identified in the Danish Medical Birth Registry and were linked to information from other national registers, including the Danish Cancer Registry...
March 3, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28253825/upregulation-of-microrna-21-is-a-poor-prognostic-marker-in-patients-with-childhood-b-cell-acute-lymphoblastic-leukemia
#14
Hany Abedelmalik Labib, Neveen G Elantouny, Nevin F Ibrahim, Ahmed A Alnagar
OBJECTIVES: Many studies have demonstrated that microRNA-21 (miR-21) is an oncogene and is upregulated in tumor tissue. However, its association with B-cell acute lymphoblastic leukemia (B-ALL) remains poorly understood. METHODS: The expression of miR-21 was detected by real-time quantitative PCR in 75 children with de novo B-ALL as well as in 50 healthy controls. This study was conducted to evaluate the miR-21 as a biomarker for risk assessment, diagnosis and prognosis...
March 2, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28250007/population-pharmacokinetics-of-intravenous-erwinia-asparaginase-in-pediatric-acute-lymphoblastic-leukemia-patients
#15
Sebastiaan D T Sassen, Ron A A Mathôt, Rob Pieters, Robin Q H Kloos, Valérie de Haas, Gertjan J L Kaspers, Cor van den Bos, Wim J E Tissing, Maroeska Te Loo, Marc B Bierings, Wouter J W Kollen, Christian M Zwaan, Inge M van der Sluis
Erwinia asparaginase is an important component in the treatment of pediatric acute lymphoblastic leukemia. A large variability in serum concentrations has been observed after intravenous Erwinia asparaginase. Currently, Dutch Childhood Oncology Group protocols dose alterations are based on trough concentrations to ensure adequate asparaginase activity (≥100 IU/L). The aim of this study was to describe the population pharmacokinetics of intravenous Erwinia asparaginase to quantify and gather insight into inter-individual and inter-occasion variability...
March 2017: Haematologica
https://www.readbyqxmd.com/read/28245377/-prognostic-significance-of-joint-detection-of-mir-210-and-minimal-residual-disease-in-pediatric-acute-lymphoblastic-leukemia
#16
Yan-Yan Mei, Zhi-Gang Li, Yi Zhang, Wei-Ling Zhang, Pin-Wei Zhang, Nan Wang, Dong-Sheng Huang
OBJECTIVE: To detect the expression of microRNA-210(miR-210) in childhood acute lymphoblastic leukemia(ALL), and to evaluate the role of the joint detection of miR-210 and MRD in the prognosis and clinical treatment of pediatric ALL. METHODS: Eighty-eight children diagnosed with ALL were included in the study. miR-210 was quantitatively detected by real-time quantitative polymerase chain reaction(RQ-PCR) in 88 ALL patients. The average Ct value of samples obtained from 5 pediatric ALL patients with long-term complete continuous remission (CCR>5 years) was used as a calibrator...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28245369/-polymorphism-of-glutathione-s-transferases-and-genetic-sensitivity-of-childhood-acute-lymphoblastic-leukemia-a-meta-analysis
#17
Hai-Ying Zhang, Jing Zhang, Tao Wu, Hai Bai
OBJECTIVE: To analyze the relationship between GST polymorphism and childhood acute lymphoblastic leukemia(ALL) risk. METHODS: The relevant references of this relationship in English or Chinese were extensively searched through PubMed, Embase, China National Knowledge Internet(CNKI) and Wanfang Database up to August 2015 based on the inclusion and exclusion criteria. GST polymorphism-specific odd ratios(OR) with corresponding 95% confidence intervals(CI) were calculated with the STATA statistical package...
February 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28245323/temporal-trends-in-treatment-and-subsequent-neoplasm-risk-among-5-year-survivors-of-childhood-cancer-1970-2015
#18
Lucie M Turcotte, Qi Liu, Yutaka Yasui, Michael A Arnold, Sue Hammond, Rebecca M Howell, Susan A Smith, Rita E Weathers, Tara O Henderson, Todd M Gibson, Wendy Leisenring, Gregory T Armstrong, Leslie L Robison, Joseph P Neglia
Importance: Cancer treatments are associated with subsequent neoplasms in survivors of childhood cancer. It is unknown whether temporal changes in therapy are associated with changes in subsequent neoplasm risk. Objective: To quantify the association between temporal changes in treatment dosing and subsequent neoplasm risk. Design, Setting, and Participants: Retrospective, multicenter cohort study of 5-year cancer survivors diagnosed before age 21 years from pediatric tertiary hospitals in the United States and Canada between 1970-1999, with follow-up through December 2015...
February 28, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28244291/outcome-of-reinduction-chemotherapy-with-a-modified-dose-of-idarubicin-for-children-with-marrow-relapsed-acute-lymphoblastic-leukemia-results-of-the-childhood-acute-lymphoblastic-leukemia-call-0603-study
#19
Kyung Nam Koh, Ho Joon Im, Hyery Kim, Hyoung Jin Kang, Kyung Duk Park, Hee Young Shin, Hyo Seop Ahn, Ji Won Lee, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo, Young Tak Lim, Jun Eun Park, Byung Kiu Park, Hyeon Jin Park, Jong Jin Seo
This multicenter, prospective trial was conducted to develop an effective and safe reinduction regimen for marrow-relapsed pediatric acute lymphoblastic leukemia (ALL) by modifying the dose of idarubicin. Between 2006 and 2009, the trial accrued 44 patients, 1 to 21 years old with first marrow-relapsed ALL. The reinduction regimen comprised prednisolone, vincristine, L-asparaginase, and idarubicin (10 mg/m²/week). The idarubicin dose was adjusted according to the degree of myelosuppression. The second complete remission (CR2) rate was 72...
April 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28239531/brain-structure-working-memory-and-response-inhibition-in-childhood-leukemia-survivors
#20
Ellen van der Plas, Russell J Schachar, Johann Hitzler, Jennifer Crosbie, Sharon L Guger, Brenda J Spiegler, Shinya Ito, Brian J Nieman
INTRODUCTION: Survival rates for children with acute lymphoblastic leukemia (ALL) approach 95%. At the same time, there is growing concern that chemotherapy causes alterations in brain development and cognitive abilities. We performed MRI measurements of white and gray matter volume to explore how variation in brain structure may be related to cognitive abilities in ALL survivors and healthy controls. METHODS: The sample included 24 male ALL survivors who had completed contemporary treatment 3-11 years prior, and 21 age- and sex-matched controls...
February 2017: Brain and Behavior
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