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Critical Reviews in Oncology/hematology Aug 2020Children with acute lymphoblastic leukemia (ALL) experience detrimental effects on motor function during and after chemotherapy. The objective of this systematic review...
The effect of exercise and motor interventions on physical activity and motor outcomes during and after medical intervention for children and adolescents with acute lymphoblastic leukemia: A systematic review.
BACKGROUND
Children with acute lymphoblastic leukemia (ALL) experience detrimental effects on motor function during and after chemotherapy. The objective of this systematic review was to evaluate the effect of exercise and motor interventions on physical activity and motor outcomes of children with ALL during and after chemotherapy.
METHODS
Ten databases were searched. Nineteen studies were included: 11 randomized clinical trials (RCT), 2 controlled clinical trials (CCT), and 6 cohort studies.
RESULTS
Participants included 508 children with ALL. Between-group results from RCTs and CCTs supported that exercise and motor intervention improved: fatigue during acute chemotherapy; physical activity, range of motion (ROM), strength, bone mineral density, aerobic capacity, and fatigue during maintenance chemotherapy; functional mobility, ROM, strength, and aerobic capacity during post-treatment survivorship; and participation, physical activity, ROM, strength, and coordination during multiple-phase interventions.
CONCLUSION
Low quality evidence supports the efficacy of motor and exercise interventions for children and adolescents with ALL.
Topics: Adolescent; Bone Density; Child; Exercise; Exercise Tolerance; Fatigue; Humans; Precursor Cell Lymphoblastic Leukemia-Lymphoma
PubMed: 32580035
DOI: 10.1016/j.critrevonc.2020.103004 -
Biology of Blood and Marrow... Mar 2020Relapse after stem cell transplantation for Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) remains a significant challenge. In this systematic... (Review)
Review
Relapse after stem cell transplantation for Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) remains a significant challenge. In this systematic review, we compare survival outcomes of second-generation tyrosine kinase inhibitors (TKIs) nilotinib and dasatinib with first-generation TKI imatinib when these agents are used after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in Ph+ ALL. In addition, we review the literature on TKI use to prevent relapse in patients who proceed to allo-HSCT beyond first complete response (>CR1). We performed database searches (inception to January 2018) using PubMed, Cochrane Library, and Embase. After exclusions, 17 articles were included in this analysis. Imatinib was used post-transplant either prophylactically or preemptively in 12 studies, 7 prospective studies and 5 retrospective studies. Overall survival (OS) for most prospective studies at 1.5 to 3 and 5 years ranged between 62% to 92% and 74.5% to 86.7%. Disease-free survival at 1.5 to 5 years was 60.4% to 92%. Additionally, imatinib failed to show survival benefit in patients who were >CR1 at the time of allo-HSCT. The cumulative OS for most retrospective studies using imatinib at 1 to 2 and 3 to 5 years was 42% to 100% and 33% to 40% respectively. Event-free survival at 1 to 2 and 3 to 5 years was 33.3% to 67% and 20% to 31% respectively. Dasatinib was used as maintenance treatment in 3 retrospective studies (n = 34). The OS for patients with Ph+ ALL using dasatinib as maintenance regimen after allo-HSCT at 1.4 to 3 years was 87% to 100% and disease-free survival at 1.4 to 3 years was 89% to 100%. Ninety-three percent of patients with minimal residual disease (MRD) positive status after allo-HSCT became MRD negative. Three prospective studies used nilotinib. In 2 studies where investigators studied patients with advanced chronic myeloid leukemia and Ph+ ALL, the cumulative OS and event-free survival at 7.5 months to 2 years were 69% to 84% and 56% to 84%, respectively. In the third study (n = 5) in patients with Ph+ ALL, nilotinib use resulted in OS at 5 years of 60%. Our review showed that use of TKIs (all generations) after allo-HSCT for patients in CR1 improved OS when given as a prophylactic or preemptive regimen. Limited data suggest that second-generation TKIs (ie, dasatinib) have a better OS, especially in patients with MRD-positive status. Imatinib did not improve OS in patients who were >CR1 at the time of allo-HSCT; for this population, no data were available with newer generation TKIs. The evaluation of survival benefit with newer generation TKIs and their efficacy in patients in >CR1 needs further study in large randomized clinical trials.
Topics: Hematopoietic Stem Cell Transplantation; Humans; Philadelphia Chromosome; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Prospective Studies; Protein Kinase Inhibitors; Retrospective Studies; Secondary Prevention; Transplantation, Homologous
PubMed: 31557532
DOI: 10.1016/j.bbmt.2019.09.022 -
Transplantation and Cellular Therapy Jun 2022Chimeric antigen receptor (CAR) T cell therapy is a novel therapy for patients with relapsed or refractory hematologic malignancies. Most CAR T cell therapy recipients... (Review)
Review
Clinical Presentation, Risk Factors, and Outcomes of Immune Effector Cell-Associated Neurotoxicity Syndrome Following Chimeric Antigen Receptor T Cell Therapy: A Systematic Review.
Chimeric antigen receptor (CAR) T cell therapy is a novel therapy for patients with relapsed or refractory hematologic malignancies. Most CAR T cell therapy recipients will experience clinical features of the immune effector cell-associated neurotoxicity syndrome (ICANS), a potentially life-threatening condition. Here we describe the clinical, biological, and radiological findings associated with ICANS in adults with hematologic malignancies treated with CAR T cell therapy, as well as the acute and long-term outcomes of ICANS. A literature search of Ovid Medline, Embase, PubMed, Scopus, Web of Science Core Collection, Cochrane Library, and Google Scholar was conducted from each database's inception through February 1, 2022, using search terms reflecting CAR T cell therapy and ICANS. We included studies that enrolled adults (age ≥18 years) who received CAR T cell therapy as management for hematologic malignancies and reported the clinical presentation, predictors, and/or acute or long-term outcomes of ICANS. Two reviewers independently extracted data following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) reporting guidelines. Quality was assessed using the Joanna Briggs Institute critical appraisal tool for cohort studies. Of the 2928 studies screened, 23 observational studies (10 prospective, 11 retrospective, 1 mixed design, and 1 cross-sectional) with a total of 1666 participants met our eligibility criteria and were included in our review. The most common hematologic malignancies were diffuse large B cell lymphoma, acute lymphocytic leukemia, non-Hodgkin lymphoma, and chronic lymphocytic leukemia. ICANS onset was most often associated with the presence and severity of cytokine release syndrome, as well as with C-reactive protein and ferritin levels. Aphasia was the most common ICANS-related symptom reported, although the neurologic manifestations of ICANS were highly variable. Neuroimaging studies (magnetic resonance imaging or computed tomography) were often normal in cases of ICANS; however, electroencephalography often showed generalized background slowing, abnormal rhythmic, and periodic discharge patterns. The pooled mean (± SD) onset of ICANS was 6.4 ± 3.2 days, with a pooled mean duration of 8.3 ± 10.5 days. Two of the 23 studies (9%) reported 5 ICANS-related deaths among 233 participants. A subset of patients experienced persistent neurocognitive complaints at ≥1-year after CAR T cell therapy. The clinical presentation, onset, severity, long-term sequelae, and grading system of ICANS are variable. Future studies should consider using a consensus grading/reporting scale that would permit cross-trial comparisons of the safety profile of various CAR T cell products and enable the development of interventions to mitigate or manage these neurotoxicities. © 2022 American Society for Transplantation and Cellular Therapy. Published by Elsevier Inc. This systematic review was conducted according to a published protocol (PROSPERO CRD42020207864) and followed the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) and Synthesis without Meta-Analysis (SWiM) in systematic review reporting guidelines (Supplementary Table S1) [15,16].
Topics: Adult; Cell- and Tissue-Based Therapy; Cross-Sectional Studies; Hematologic Neoplasms; Humans; Immunotherapy, Adoptive; Neurotoxicity Syndromes; Prospective Studies; Receptors, Chimeric Antigen; Retrospective Studies; Risk Factors
PubMed: 35288347
DOI: 10.1016/j.jtct.2022.03.006 -
The Cochrane Database of Systematic... Mar 2016A decreased physical fitness has been reported in patients and survivors of childhood cancer. This is influenced by the negative effects of the disease and the treatment... (Meta-Analysis)
Meta-Analysis Review
BACKGROUND
A decreased physical fitness has been reported in patients and survivors of childhood cancer. This is influenced by the negative effects of the disease and the treatment of childhood cancer. Exercise training for adult cancer patients has frequently been reported to improve physical fitness. In recent years, literature on this subject has also become available for children and young adults with cancer, both during and after treatment. This is an update of the original review that was performed in 2011.
OBJECTIVES
To evaluate the effect of a physical exercise training intervention on the physical fitness (i.e. aerobic capacity, muscle strength, or functional performance) of children with cancer within the first five years from their diagnosis (performed either during or after cancer treatment), compared to a control group of children with cancer who did not receive an exercise intervention.To determine whether physical exercise within the first five years of diagnosis has an effect on fatigue, anxiety, depression, self efficacy, and HRQoL and to determine whether there are any adverse effects of the intervention.
SEARCH METHODS
We searched the electronic databases of Cochrane Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, CINAHL, and PEDro; ongoing trial registries and conference proceedings on 6 September 2011 and 11 November 2014. In addition, we performed a handsearch of reference lists.
SELECTION CRITERIA
The review included randomized controlled trials (RCTs) and clinical controlled trials (CCTs) that compared the effects of physical exercise training with no training, in people who were within the first five years of their diagnosis of childhood cancer.
DATA COLLECTION AND ANALYSIS
Two review authors independently identified studies meeting the inclusion criteria, performed the data extraction, and assessed the risk of bias using standardized forms. Study quality was rated by the Grading of Recommendation Assessment, Development and Evaluation (GRADE) criteria.
MAIN RESULTS
Apart from the five studies in the original review, this update included one additional RCT. In total, the analysis included 171 participants, all during treatment for childhood acute lymphoblastic leukaemia (ALL).The duration of the training sessions ranged from 15 to 60 minutes per session. Both the type of intervention and intervention period varied in all the included studies. However, the control group always received usual care.All studies had methodological limitations, such as small numbers of participants, unclear randomization methods, and single-blind study designs in case of one RCT and all results were of moderate to very low quality (GRADE).Cardiorespiratory fitness was evaluated by the 9-minute run-walk test, timed up-and-down stairs test, the timed up-and-go time test, and the 20-m shuttle run test. Data of the 9-minute run-walk test and the timed up-and-down stairs test could be pooled. The combined 9-minute run-walk test results showed significant differences between the intervention and the control groups, in favour of the intervention group (standardized mean difference (SMD) 0.69; 95% confidence interval (CI) 0.02 to 1.35). Pooled data from the timed up-and-down stairs test showed no significant differences in cardiorespiratory fitness (SMD -0.54; 95% CI -1.77 to 0.70). However, there was considerable heterogeneity (I(2) = 84%) between the two studies on this outcome. The other two single-study outcomes, 20-m shuttle run test and the timed up-and-go test, also showed positive results for cardiorespiratory fitness in favour of the intervention group.Only one study assessed the effect of exercise on bone mineral density (total body), showing a statistically significant positive intervention effect (SMD 1.07; 95% CI 0.48 to 1.66). The pooled data on body mass index showed no statistically significant end-score difference between the intervention and control group (SMD 0.59; 95% CI -0.23 to 1.41).Three studies assessed flexibility. Two studies assessed ankle dorsiflexion. One study assessed active ankle dorsiflexion, while the other assessed passive ankle dorsiflexion. There were no statistically significant differences between the intervention and control group with the active ankle dorsiflexion test; however, in favour of the intervention group, they were found for passive ankle dorsiflexion (SMD 0.69; 95% CI 0.12 to 1.25). The third study assessed body flexibility using the sit-and-reach distance test, but identified no statistically significant difference between the intervention and control group.Three studies assessed muscle strength (knee, ankle, back and leg, and inspiratory muscle strength). Only the back and leg strength combination score showed statistically significant differences on the muscle strength end-score between the intervention and control group (SMD 1.41; 95% CI 0.71 to 2.11).Apart from one sub-scale of the cancer scale (Worries; P value = 0.03), none of the health-related quality of life scales showed a significant difference between both study groups on the end-score. For the other outcomes of fatigue, level of daily activity, and adverse events (all assessed in one study), there were no statistically significant differences between the intervention and control group.None of the included studies evaluated activity energy expenditure, time spent on exercise, anxiety and depression, or self efficacy as an outcome.
AUTHORS' CONCLUSIONS
The effects of physical exercise training interventions for childhood cancer participants are not yet convincing. Possible reasons are the small numbers of participants and insufficient study designs, but it can also be that this type of intervention is not as effective as in adult cancer patients. However, the first results show some positive effects on physical fitness in the intervention group compared to the control group. There were positive intervention effects for body composition, flexibility, cardiorespiratory fitness, muscle strength, and health-related quality of life (cancer-related items). These were measured by some assessment methods, but not all. However, the quality of the evidence was low and these positive effects were not found for the other assessed outcomes, such as fatigue, level of daily activity, and adverse events. There is a need for more studies with comparable aims and interventions, using a higher number of participants that also include diagnoses other than ALL.
Topics: Adolescent; Antineoplastic Agents; Body Mass Index; Bone Density; Child; Controlled Clinical Trials as Topic; Exercise; Female; Humans; Male; Muscle Strength; Muscle, Skeletal; Neoplasms; Physical Endurance; Physical Fitness; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Quality of Life; Randomized Controlled Trials as Topic; Range of Motion, Articular
PubMed: 27030386
DOI: 10.1002/14651858.CD008796.pub3 -
International Journal of Environmental... Apr 2023Many studies have investigated the etiology of acute leukemia, one of the most common types of cancer in children; however, there is a lack of clarity regarding... (Meta-Analysis)
Meta-Analysis Review
Many studies have investigated the etiology of acute leukemia, one of the most common types of cancer in children; however, there is a lack of clarity regarding preventable risk factors. This systematic review and meta-analysis aimed to summarize the current evidence regarding the role of maternal dietary factors in the development of childhood leukemia. All epidemiological studies published until July 2022 that evaluated maternal dietary risk factors for childhood acute leukemia were identified in two electronic databases (PubMed and Web of Science) without limits of publication year or language. A total of 38 studies (1 prospective cohort study, 34 case-control studies and 3 studies with pooled analysis) were included. The published risk estimates were combined into a meta-analysis, using the Generic Inverse Variance method. The maternal consumption of fruits (two or more daily servings vs. less) was inversely associated with acute lymphoblastic leukemia (odds ratio = 0.71; 95% CI, 0.59-0.86), whereas maternal coffee intake (higher than two cups per day vs. no consumption) was associated with an increased risk of acute lymphoblastic leukemia (odds ratio = 1.45; 95% CI, 1.12-1.89). Despite these findings, more high-quality research from cohort studies and the identification of causal factors are needed to develop evidence-based and cost-effective prevention strategies applicable at the population level. Review Registration: PROSPERO registration no. CRD42019128937.
Topics: Child; Humans; Prospective Studies; Diet; Risk Factors; Leukemia, Myeloid, Acute; Case-Control Studies; Precursor Cell Lymphoblastic Leukemia-Lymphoma
PubMed: 37048042
DOI: 10.3390/ijerph20075428 -
Transfusion Medicine Reviews Apr 2019Promising efficacy results of chimeric antigen receptor (CAR) T-cell therapy have been tempered by safety considerations. Our objective was to comprehensively summarize... (Meta-Analysis)
Meta-Analysis
Promising efficacy results of chimeric antigen receptor (CAR) T-cell therapy have been tempered by safety considerations. Our objective was to comprehensively summarize the efficacy and safety of CAR-T cell therapy in patients with relapsed or refractory hematologic or solid malignancies. MEDLINE, Embase, and the Cochrane Register of Controlled Trials (inception - November 21, 2017). Interventional studies investigating CAR-T cell therapy in patients with malignancies were included. Our primary outcome of interest was complete response (defined as the absence of detectable cancer). Two independent reviewers extracted relevant data, assessed risk of bias, and graded the quality of evidence using established methods. A total of 42 hematological malignancy studies and 18 solid tumor studies met were included (913 participants). Of 486 evaluable hematologic patients, 54.4% [95% CI, 42.5%-65.9%] experienced complete response in 27 CD19 CAR-T cell therapy studies. Of 65 evaluable hematologic patients, 24.4% [95% CI, 9.4%-50.3%] experienced complete response in seven non-CD19 CAR-T cell therapy studies. Cytokine release syndrome was experienced by 55.3% [95% CI, 40.3%-69.4%] of patients and neurotoxicity 37.2% [95% CI, 28.6%-46.8%] of patients with hematologic malignancies. Of 86 evaluable solid tumor patients, 4.1% [95% CI, 1.6%-10.6%] experienced complete response in eight CAR-T cell therapy studies. Limitations include heterogeneity of study populations, as well as high risk of bias of included studies. There was a strong signal for efficacy of CAR-T cell therapy in patients with CD19+ hematologic malignancies and no overall signal in solid tumor trials published to date. These results will help inform patients, physicians, and other stakeholders of the benefits and risks associated with CAR-T cell therapy.
Topics: Antigens, CD19; Hematologic Neoplasms; Humans; Immunotherapy; Immunotherapy, Adoptive; Lymphoma, Large B-Cell, Diffuse; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Receptors, Antigen, T-Cell; Receptors, Chimeric Antigen; Risk Assessment; T-Lymphocytes; Treatment Outcome
PubMed: 30948292
DOI: 10.1016/j.tmrv.2019.01.005 -
Cancer Gene Therapy Jun 2023Chimeric Antigen Receptor (CAR) T cell therapy is an effective treatment approach for patients with relapsed or refractory acute lymphoblastic leukemia (R/R B-ALL).... (Meta-Analysis)
Meta-Analysis
Long-term response to autologous anti-CD19 chimeric antigen receptor T cells in relapsed or refractory B cell acute lymphoblastic leukemia: a systematic review and meta-analysis.
Chimeric Antigen Receptor (CAR) T cell therapy is an effective treatment approach for patients with relapsed or refractory acute lymphoblastic leukemia (R/R B-ALL). However, identifying the factors that influence long-term response to this therapy is necessary to optimize patient selection and treatment allocation. We conducted a literature review and meta-analysis to investigate the use of autologous anti-CD19 CAR T cell therapy in both pediatric and adult patients with R/R B-ALL, using several databases including MEDLINE, Cochrane Central, ScienceDirect, Web of Science, Journals@Ovid, Embase, and clinicaltrial.gov. A total of 38 reports were analyzed, which enrolled 2134 patients. Time-to-event endpoints were estimated using reconstructed patient survival data. The study explored key modulators of response, including costimulatory domains, disease status, age, and lymphodepletion. The median overall survival and event-free survival were 36.2 months [95% CI 28.9, NR] and 13.3 months [95% CI 12.2, 17], respectively. The overall response rate was 76% [95% CI 71, 81]. The use of 4-1BB costimulatory domain in the CAR construct, administration of low-dose cyclophosphamide lymphodepletion, and pretreatment morphologic remission were associated with better overall survival, with hazard ratios of 0.72, 0.56, and 0.66, respectively. Morphologic remission and 4-1BB domain were associated with better event-free survival, with hazard ratios of 0.66 and 0.72, respectively. These findings suggest that CAR T cell therapy may offer long-term benefits to patients with R/R B-ALL. However, further research is needed to optimize patient selection and better understand the impact of various factors on the outcome of CAR T cell therapy.
Topics: Adult; Humans; Child; Receptors, Chimeric Antigen; Receptors, Antigen, T-Cell; Immunotherapy, Adoptive; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Antigens, CD19; T-Lymphocytes
PubMed: 36750666
DOI: 10.1038/s41417-023-00593-3 -
Oncology Nursing Forum Mar 2015Systematically summarize findings from research conducted on adult acute leukemia survivors as they relate to symptoms and quality of life (QOL). (Review)
Review
PURPOSE/OBJECTIVES
Systematically summarize findings from research conducted on adult acute leukemia survivors as they relate to symptoms and quality of life (QOL).
DATA SOURCES
Systematic review of the literature from 1990–2013 found in the PubMed, PsycINFO®, EMBASE, and CINAHL® databases, as well as manual searches.
DATA SYNTHESIS
The review identified 16 quantitative studies and 1 qualitative study published from 1990–2013 that used a self-reported QOL or symptom questionnaire. Fatigue was the most commonly assessed and reported symptom, followed by depression.
CONCLUSIONS
Acute leukemia and its treatment have a significant impact in all QOL domains. Future studies should include longitudinal research, more than one recruitment site, increased minority representation, and home-based exercise interventions as ways to improve all domains of QOL.
IMPLICATIONS FOR NURSING
This review increases awareness of commonly reported symptoms faced by adults with acute leukemia. Oncology nurses are central in monitoring and reporting symptoms to the interdisciplinary team that may contribute to changes in function, with the overall goal of optimizing QOL over time.
Topics: Adult; Aged; Epidemiologic Studies; Humans; Leukemia, Myeloid, Acute; Middle Aged; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Qualitative Research; Quality of Life; Research Design; Spirituality; Survivors; Symptom Assessment
PubMed: 25806895
DOI: 10.1188/15.ONF.E91-E101 -
Cadernos de Saude Publica 2009Leukemia incidence in children has increased worldwide in recent decades, particularly due to the rise in acute lymphoblastic leukemia. Studies have associated exposure... (Review)
Review
Leukemia incidence in children has increased worldwide in recent decades, particularly due to the rise in acute lymphoblastic leukemia. Studies have associated exposure to non-ionizing radiation generated by low frequency magnetic fields with childhood leukemia. The current article reviews the case-control studies published on this subject. Of 152 articles tracked in different databases, ten studies from North America, Asia, and Europe met the defined selection criteria, with patients diagnosed from 1960 to 2004. Methodological limitations were observed in these articles, including difficulties with the procedures for assessing exposure. An association may exist between exposure to low frequency magnetic fields and acute lymphoblastic leukemia in children, but this association is weak, preventing the observation of consistency in the findings. Future studies from a wider range of geographic regions should focus on the analysis of acute lymphoblastic leukemia, which is the subtype with the greatest impact on the increasing overall incidence of childhood leukemia.
Topics: Case-Control Studies; Child; Electromagnetic Fields; Environmental Exposure; Humans; Incidence; Leukemia, Radiation-Induced; Odds Ratio; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Radiation Dosage; Risk Factors
PubMed: 20027391
DOI: 10.1590/s0102-311x2009001500009 -
Psycho-oncology Jul 2021Steroids play an essential role in treating pediatric acute lymphoblastic leukemia (ALL). The downside is that these drugs can cause severe side effects, such as adverse... (Review)
Review
OBJECTIVE
Steroids play an essential role in treating pediatric acute lymphoblastic leukemia (ALL). The downside is that these drugs can cause severe side effects, such as adverse psychological reactions (APRs) and sleep problems, which can compromise health-related quality of life. This study aimed to systematically review literature to identify risk factors for steroid-induced APRs and sleep problems in children with ALL.
METHODS
A systematic search was performed in six databases. Titles/abstracts were independently screened by two researchers. Data from each included study was extracted based on predefined items. Risk of bias and level of evidence were assessed, using the Quality in Prognosis Studies tool and the Grading of Recommendations Assessment, Development and Evaluation tool, respectively.
RESULTS
Twenty-four articles were included. APR measurement ranged from validated questionnaires to retrospective record retrieval, sleep measurement included questionnaires or actigraphy. Overall, quality of evidence was very low. Current evidence suggests that type/dose of steroid is not related to APRs, but might be to sleep problems. Younger patients seem at risk for behavior problems and older patients for sleep problems. No studies describing parental stress or medical history were identified. Genetic susceptibility associations remain to be replicated.
CONCLUSIONS
Based on the current evidence, conclusions about risk factors for steroid-induced adverse psychological reactions or sleep problems in children with ALL should be drawn cautiously, since quality of evidence is low and methods of measurement are largely heterogeneous. A standardized registration of steroid-induced APRs/sleep problems and risk factors is warranted for further studies in children with ALL.
Topics: Child; Humans; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Quality of Life; Retrospective Studies; Risk Factors; Sleep Wake Disorders; Steroids
PubMed: 33825231
DOI: 10.1002/pon.5654