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Paediatric acute leukaemia

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https://www.readbyqxmd.com/read/29687881/relapse-in-teenage-and-young-adult-patients-treated-on-a-paediatric-minimal-residual-disease-stratified-all-treatment-protocol-is-associated-with-a-poor-outcome-results-from-ukall2003
#1
Rob S Sellar, Clare Rowntree, Ajay J Vora, Caroline L Furness, Nicholas Goulden, Chris Mitchell, Anthony V Moorman, Rachael Hough
Outcomes for teenage and young adult (TYA) patients with acute lymphoblastic leukaemia (ALL) who relapse on contemporary risk-adapted paediatric protocols are largely unknown and there is no consensus on optimal salvage strategies. We assessed the treatment and outcome of TYA patients (aged 16-24 years) recruited to the UKALL2003 trial, who relapsed following attainment of complete morphological remission. Forty-two of 223 patients (18·8%) relapsed, the majority (n = 26, 62%) on treatment. Thirty-eight (90%) patients received salvage treatment, with 22 (58%) achieving second remission (CR2) and 21 patients receiving an allogeneic haematopoietic cell transplant (alloHSCT)...
April 24, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29676440/an-effective-modestly-intensive-re-induction-regimen-with-bortezomib-in-relapsed-or-refractory-paediatric-acute-lymphoblastic-leukaemia
#2
Gertjan J L Kaspers, Denise Niewerth, Bram A J Wilhelm, Peggy Scholte-van Houtem, Marta Lopez-Yurda, Johannes Berkhof, Jacqueline Cloos, Valerie de Haas, Ron A Mathôt, Andishe Attarbaschi, André Baruchel, Eveline S de Bont, Franca Fagioli, Claudia Rössig, Thomas Klingebiel, Barbara De Moerloose, Brigitte Nelken, Giuseppe Palumbo, Dirk Reinhardt, Pierre-Simon Rohrlich, Pauline Simon, Arend von Stackelberg, Michel M Zwaan
This trial explored the efficacy of re-induction chemotherapy including bortezomib in paediatric relapsed/refractory acute lymphoblastic leukaemia. Patients were randomized 1:1 to bortezomib (1.3 mg/m2 /dose) administered early or late to a dexamethasone and vincristine backbone. Both groups did not differ regarding peripheral blast count on day 8, the primary endpoint. After cycle 1, 8 of 25 (32%) patients achieved complete remission with incomplete blood count recovery, 7 (28%) a partial remission and 10 had treatment failure...
April 20, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29615003/role-of-cytarabine-in-paediatric-acute-promyelocytic-leukemia-treated-with-the-combination-of-all-trans-retinoic-acid-and-arsenic-trioxide-a-randomized-controlled-trial
#3
Li Zhang, Yao Zou, Yumei Chen, Ye Guo, Wenyu Yang, Xiaojuan Chen, Shuchun Wang, Xiaoming Liu, Min Ruan, Jiayuan Zhang, Tianfeng Liu, Fang Liu, Benquan Qi, Wenbin An, Yuanyuan Ren, Lixian Chang, Xiaofan Zhu
BACKGROUND: The combination of all-trans-retinoic acid (ATRA) and arsenic trioxide (ATO) has been suggested to be safe and effective for adult acute promyelocytic leukaemia (APL). As of 2010, the role of cytarabine (Ara-C) in APL was controversial. The aim of this study was to test the efficacy and safety of ATRA and ATO in paediatric APL patients. Also, we assessed whether Ara-C could be omitted in ATO and ATRA- based trials in children. METHODS: We performed a randomized controlled trial in paediatric APL patients (≤14 years of age) in our hospital from May 2010 to December 2016...
April 3, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29550828/a-paediatric-acute-promyelocytic-leukaemia-patient-harbouring-a-cryptic-pml-rara-insertion-due-to-a-complex-structural-chromosome-17-rearrangement
#4
Racha El-Hajj Ghaoui, Luke St Heaps, Dorothy Hung, Sumanth Nagabushan, Catherine Harris, Oksana Mirochnik, Praveen Sharma, Stewart J Kellie, Dale C Wright
Acute promyelocytic leukaemia with PML-RARA fusion is usually associated with the t(15;17)(q24.1;q21.1) translocation but may also arise from complex or cryptic rearrangements. The fusion usually resides on chromosome 15 but occasionally on others. We describe a cryptic PML-RARA fusion within a novel chromosome 17 rearrangement. We performed interphase fluorescence in situ hybridisation (FISH) using a dual-fusion PML-RARA probe, followed by reverse transcriptase-polymerase chain reaction (RT-PCR) for PML-RARA, karyotyping, and metaphase FISH using RARA break-apart, locus-specific, and subtelomere probes for chromosome 17...
March 17, 2018: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/29545594/high-transplant-related-mortality-associated-with-haematopoietic-stem-cell-transplantation-for-paediatric-therapy-related-acute-myeloid-leukaemia-t-aml-a-study-on-behalf-of-the-united-kingdom-paediatric-blood-and-bone-marrow-transplant-group
#5
Adam Gassas, Ponni Sivaprakasam, Michelle Cummins, Patricia Breslin, Katharine Patrick, Mary Slatter, Roderick Skinner, Geof Shenton, Brenda Gibson, Sarah Lawson, Toni Petterson, Michael Potter, Beki James, Rachael Hough, Prashant Hiwarkar, Ajay Vora, Paul Veys, Josu De La Fuente, Robert Wynn, Persis Amrolia
Paediatric therapy-related acute myeloid leukaemia (t-AML) is rare and the outcome is poor. While allogeneic haematopoietic stem cell transplantation (HSCT) is generally the accepted modality of treatment, data regarding salvage chemotherapy, remission induction, conditioning regimens, transplant-related mortality and outcome is scarce. Between 2000 and2016, 36 children with t-AML were treated in seven UK paediatric HSCT centres. The most common salvage protocol for remission induction was FLAG with or without idarubicin and 28 patients were in complete morphological remission prior to BMT...
March 15, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29500934/genotype-and-allele-frequencies-of-tyms-rs2790-a-g-polymorphism-in-a-chinese-paediatric-population-with-acute-lymphoblastic-leukaemia
#6
S-M Wang, W-X Zeng, W-S Wu, L-L Sun, D Yan
WHAT IS KNOWN AND OBJECTIVE: Thymidylate synthase (TYMS) is an important target for methotrexate (MTX). Genetic variations in the TYMS gene contribute to the differences in treatment responses to MTX. The aim of this study was to investigate the distribution of a microRNA (miRNA) binding site polymorphism (rs2790 A > G) in the 3'-untranslated region (3'-UTR) of TYMS and its association with MTX concentration and haematological toxicity in Chinese paediatric patients with acute lymphoblastic leukaemia (ALL)...
March 3, 2018: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/29471389/the-effect-of-paternal-factors-on-perinatal-and-paediatric-outcomes-a-systematic-review-and-meta-analysis
#7
Nan B Oldereid, Ulla-Britt Wennerholm, Anja Pinborg, Anne Loft, Hannele Laivuori, Max Petzold, Liv Bente Romundstad, Viveca Söderström-Anttila, Christina Bergh
BACKGROUND: Maternal factors, including increasing childbearing age and various life-style factors, are associated with poorer short- and long-term outcomes for children, whereas knowledge of paternal parameters is limited. Recently, increasing paternal age has been associated with adverse obstetric outcomes, birth defects, autism spectrum disorders and schizophrenia in children. OBJECTIVE AND RATIONALE: The aim of this systematic review is to describe the influence of paternal factors on adverse short- and long-term child outcomes...
February 15, 2018: Human Reproduction Update
https://www.readbyqxmd.com/read/29381687/enrolling-children-with-acute-lymphoblastic-leukaemia-on-a-clinical-trial-improves-event-free-survival-a-population-based-study
#8
Caron Strahlendorf, Jason D Pole, Randy Barber, David Dix, Ketan Kulkarni, Emilie Martineau, Alicia Randall, David Stammers, Douglas Strother, Tony H Truong, Lillian Sung
BACKGROUND: The objectives of this study were to describe the impact of trial enrollment at diagnosis on event-free and overall survival in paediatric acute lymphoblastic leukaemic (ALL) using a population-based approach. METHODS: We conducted a retrospective cohort study that included children newly diagnosed with ALL between 1 and 14 years of age. The data source was the Cancer in Young People in Canada (CYP-C) national paediatric cancer population-based database...
January 30, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29222892/benefit-of-oral-nutritional-supplements-for-children-with-acute-lymphoblastic-leukaemia-during-remission-induction-chemotherapy-a-quasi-experimental-study
#9
Rui Liang, Gai-Yun Chen, San-Xian Fu, Jie Zhong, Yan Ma
BACKGROUND AND OBJECTIVES: To determine the effect of oral nutritional supplements (ONS) on children with acute lymphoblastic leukaemia undergoing remission-induction chemotherapy. METHODS AND STUDY DESIGN: We included 127 paediatric patients who were diagnosed with acute lymphoblastic leukaemia and undergoing remission- induction chemotherapy in the First Affiliated Hospital of Zhengzhou University. Children from two paediatric wards who met the inclusion criteria were enrolled...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29194562/a-risk-score-including-microdeletions-improves-relapse-prediction-for-standard-and-medium-risk-precursor-b-cell-acute-lymphoblastic-leukaemia-in-children
#10
Rosemary Sutton, Nicola C Venn, Tamara Law, Judith M Boer, Toby N Trahair, Anthea Ng, Monique L Den Boer, Anuruddhika Dissanayake, Jodie E Giles, Pauline Dalzell, Chelsea Mayoh, Draga Barbaric, Tamas Revesz, Frank Alvaro, Rob Pieters, Michelle Haber, Murray D Norris, Martin Schrappe, Luciano Dalla Pozza, Glenn M Marshall
To prevent relapse, high risk paediatric acute lymphoblastic leukaemia (ALL) is treated very intensively. However, most patients who eventually relapse have standard or medium risk ALL with low minimal residual disease (MRD) levels. We analysed recurrent microdeletions and other clinical prognostic factors in a cohort of 475 uniformly treated non-high risk precursor B-cell ALL patients with the aim of better predicting relapse and refining risk stratification. Lower relapse-free survival at 7 years (RFS) was associated with IKZF1 intragenic deletions (P < 0·0001); P2RY8-CRLF2 gene fusion (P < 0·0004); Day 33 MRD>5 × 10-5 (P < 0·0001) and High National Cancer Institute (NCI) risk (P < 0·0001)...
February 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29149345/predictive-indicators-to-identify-high-risk-paediatric-febrile-neutropenia-in-paediatric-oncology-patients-in-a-middle-income-country
#11
Lindy-Lee Green, Pierre Goussard, Anel van Zyl, Martin Kidd, Mariana Kruger
Purpose: To validate a clinical risk prediction score (Ammann score) to predict adverse events (AEs) in paediatric febrile neutropenia (FN). Patients and methods: Patients <16 years of age were enrolled. A risk prediction score (based on haemoglobin ≥ 9 g/dl, white cell count (WCC) < 0.3 G/l, platelet count <50 G/l and chemotherapy more intensive than acute lymphoblastic leukaemia maintenance therapy) was calculated and AEs were documented. Results: In total, 100 FN episodes occurred in 52 patients, male:female ratio was 1...
November 15, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/29106702/hypothalamic-pituitary-adrenal-hpa-axis-suppression-after-treatment-with-glucocorticoid-therapy-for-childhood-acute-lymphoblastic-leukaemia
#12
REVIEW
Niki Rensen, Reinoud Jbj Gemke, Elvira C van Dalen, Joost Rotteveel, Gertjan Jl Kaspers
BACKGROUND: Glucocorticoids play a major role in the treatment of acute lymphoblastic leukaemia (ALL). However, supraphysiological doses can suppress the hypothalamic-pituitary-adrenal (HPA) axis. HPA axis suppression resulting in reduced cortisol response may cause an impaired stress response and an inadequate host defence against infection, which remain a cause of morbidity and death. Suppression commonly occurs in the first days after cessation of glucocorticoid therapy, but the exact duration is unclear...
November 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29101342/a-protease-resistant-escherichia-coli-asparaginase-with-outstanding-stability-and-enhanced-anti-leukaemic-activity-in-vitro
#13
Maristella Maggi, Steven D Mittelman, Jean Hugues Parmentier, Giorgio Colombo, Massimiliano Meli, Jeannette Marie Whitmire, D Scott Merrell, Julian Whitelegge, Claudia Scotti
L-Asparaginases (ASNases) have been used as first line drugs for paediatric Acute Lymphoblastic Leukaemia (ALL) treatment for more than 40 years. Both the Escherichia coli (EcAII) and Erwinia chrysanthemi (ErAII) type II ASNases currently used in the clinics are characterized by high in vivo instability, short half-life and the requirement of several administrations to obtain a pharmacologically active concentration. Moreover, they are sensitive to proteases (cathepsin B and asparagine endopeptidase) that are over-expressed by resistant leukaemia lymphoblasts, thereby impairing drug activity and pharmacokinetics...
November 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29076138/current-challenges-and-opportunities-in-treating-adult-patients-with-philadelphia-negative-acute-lymphoblastic-leukaemia
#14
REVIEW
Ofir Wolach, Irina Amitai, Daniel J DeAngelo
Significant advances have been made in recent years in the field of Philadelphia-negative acute lymphoblastic leukaemia (ALL). New insights into the biology and genetics of ALL as well as novel clinical observations and new drugs are changing the way we diagnose, risk-stratify and treat adult patients with ALL. New genetic subtypes and alterations refine risk stratification and uncover new actionable therapeutic targets. The incorporation of more intensive, paediatric and paediatric-inspired approaches for young adults seem to have a positive impact on survival in this population...
December 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/29050690/how-should-we-treat-the-aya-patient-with-newly-diagnosed-all
#15
REVIEW
Nicolas Boissel
Adolescent and young adult (AYA) patients with acute lymphoblastic leukaemia (ALL) are recognized as a unique population with specific characteristics and needs. In adolescents aged 15-20 years old, the use of full paediatric protocols is supported by many comparative studies of paediatric and adult cooperative groups. In young adults, growing evidence suggests that paediatric-inspired approaches may also improve outcomes and lead to long-term survival rates of almost 70%. In the last decade, better knowledge of ALL oncogenic landscape, age distribution, and minimal residual disease prognostic impact have improved risk stratification...
September 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29033080/reconstitution-of-th17-tc17-and-treg-cells-after-paediatric-haematopoietic-stem-cell-transplantation-impact-of-interleukin-7
#16
Katrine Kielsen, Lars P Ryder, David Lennox-Hvenekilde, Monika Gad, Claus H Nielsen, Carsten Heilmann, Marianne Ifversen, Anders Elm Pedersen, Klaus Müller
Successful reconstitution of T lymphocytes after allogeneic haematopoietic stem cell transplantation (HSCT) is needed to establish the graft-versus-leukaemia effect and an effective anti-microbial defense, but the ratio between functionally different T-cell subsets needs to be balanced to avoid graft-versus-host disease (GVHD). IL-7 is essential for T-cell generation in the thymus and peripheral T-cell homeostasis. High IL-7 levels have been associated with impaired T-cell reconstitution, increased risk of acute GVHD and treatment-related mortality, but the underlying cellular mechanisms behind these associations have not been investigated previously...
October 9, 2017: Immunobiology
https://www.readbyqxmd.com/read/28981557/increasing-incidence-and-recurrence-rate-of-venous-thromboembolism-in-paediatric-oncology-patients-in-one-single-centre-over-25-years
#17
Irene L M Klaassen, Anne L van Els, Marianne D van de Wetering, C Heleen van Ommen
Venous thromboembolism (VTE) is a serious complication in paediatric oncology patients. To identify the incidence, risk factors and recurrence rate of VTE in paediatric oncology patients, an observational, retrospective cohort study of all consecutive children (≤18 years) with malignancies, treated at the Emma Children's Hospital Academic Medical Centre between January 1989 and December 2013, was done. A matched case-control study in children with lymphomas was performed, to identify thrombotic risk factors...
November 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28939570/perceptions-of-parents-and-paediatricians-on-pain-induced-by-bone-marrow-aspiration-and-lumbar-puncture-among-children-with-acute-leukaemia-a-qualitative-study-in-china
#18
Yu Wang, Qiang Liu, Jia-Ning Yu, Hai-Xia Wang, Lu-Lu Gao, Ya-Liang Dai, Xin Jin, Feng Zuo, Juan Liu, Cai-Feng Bai, Guo-Xia Mu, Xiao-Min Chai, Yin-Juan Zhang, Yu-Xiang Li, Jian-Qiang Yu
OBJECTIVE: To obtain in-depth insight into the perceptions of parents and paediatricians in China regarding current procedural pain management on bone marrow aspirations and lumbar punctures in paediatric haemato-oncology department. DESIGN, SETTING AND PARTICIPANTS: This qualitative study was conducted in a 4500-bed university hospital in northwest China. To collect data, in-depth semistructured interviews were conducted with parents of children with acute leukaemia (n=12) and haemato-oncology paediatricians (n=11) using purposive sampling...
September 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28886882/insights-into-defective-serological-memory-after-acute-lymphoblastic-leukaemia-treatment-the-role-of-the-plasma-cell-survival-niche-memory-b-cells-and-gut-microbiota-in-vaccine-responses
#19
REVIEW
Shanie Saghafian-Hedengren, Ismael Söderström, Eva Sverremark-Ekström, Anna Nilsson
Acute lymphoblastic leukaemia (ALL) is the most common type of cancer in children, accounting for approximately 25% of childhood cancer cases. As a result of effective treatments over the past decades, paediatric ALL mortality has been greatly reduced. Chemotherapy, however, has a range of harmful side effects including the loss of protective antibodies against vaccine-preventable diseases. Since ALL survivors have an increased risk of health problems including organ insufficiencies, acquired vaccine-preventable infections subsequent to clinical remission could become life threatening to these individuals...
August 26, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28821995/expression-of-the-pol-gene-of-human-endogenous-retroviruses-herv-k-and-w-in-leukemia-patients
#20
Massimiliano Bergallo, Paola Montanari, Katia Mareschi, Chiara Merlino, Massimo Berger, Ilaria Bini, Valentina Daprà, Ilaria Galliano, Franca Fagioli
The human endogenous retroviruses (HERVs) are a family of endogenous retroviruses that integrated into the germ cell DNA of primates over 30 million years ago. HERV expression seems impaired in several diseases, ranging from autoimmune to neoplastic disorders. The purpose of this study was to evaluate the overall endogenous retroviral transcription profile in bone marrow (BM) samples. A total of 30 paediatric high-risk leukaemia patients (lymphoid and myeloid malignancies) were tested for HERVs virus gene expression...
December 2017: Archives of Virology
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