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Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has become increasingly used as a therapeutic treatment for several pediatric conditions, however the long-term mental health sequelae remain understudied among these survivors. Our objective was to conduct a systematic literature review to determine the association between allo-HSCT and anxiety, depression, and psychological health-related quality of life (HRQOL) in pediatric allo-HSCT recipients compared to survivors of pediatric cancer or healthy children. A literature search of peer-reviewed databases was conducted. Data extraction was conducted using a standardized form. Due to the heterogeneity in studies, populations, and measurement instruments, only a qualitative synthesis was performed. A total of 24 studies met eligibility criteria. Rates of anxiety and depression were higher among survivors of pediatric allo-HSCT compared to population normal values or children treated for health conditions without allo-HSCT. Most allo-HSCT survivors self-reported psychological HRQOL within normal levels, although some studies in leukemia patients identified poorer psychological HRQOL. The presence of multiple chronic health conditions, chronic graft-versus-host-disease, and patient sex were important risk factors for worse mental health. Patients who receive allo-HSCT during childhood experience subsequent anxiety, depression, and poorer psychological HRQOL after transplant and several clinical characteristics contribute to these mental health sequelae.

PurposeTo qualitatively describe reasons for disagreement in ratings of bothersome symptoms between child self-report and parent proxy-report.MethodsWe enrolled child and parent dyads, who understood English and where children (4–18 years of age) were diagnosed with cancer or were hematopoietic stem cell transplantation (HSCT) recipients. Each child and parent separately reported symptoms using self-report or proxy-report Symptom Screening in Pediatrics Tool (SSPedi). We then used semi-structured interviews to elicit reasons for discrepancies in symptom reporting.ResultsWe enrolled 12 dyads in each of four age cohorts, resulting in 48 dyads. Forty-one dyads (85.4%) had disagreement in rating the presence or absence of at least one symptom. Themes identified as reasons for disagreement included (1) perception, differing perception of symptom or availability or palatability of intervention; (2) understanding, difficulty orienting to time frame or concept of bother; (3) lack of communication, including child not acknowledging or talking about experiences; (4) projection, of how the parent felt or how they assumed the child would feel; and (5) discrepancy, in how the amount of symptom bother that was initially reported on SSPedi, by either child or parent, did not align with what was reported during the dyad discussion.ConclusionWe identified themes that explained disagreement in ratings of bothersome symptoms between child self-report and parent proxy-report. Some disagreement may be reduced by enhancing communication about symptom reporting between child and parent. Future research should focus on methods of symptom screening that encourage communication between children with cancer and their caregivers.

Purpose Objectives were to develop a machine learning (ML) model based on electronic health record (EHR) data to predict the risk of vomiting within a 96-hour window after admission to the pediatric oncology and hematopoietic cell transplant (HCT) services using retrospective data and to evaluate the model prospectively in a silent trial. Patients and methods Admissions between 2018-06-02 to 2024-02-17 (retrospective) and 2024-05-09 to 2024-08-05 (prospective) to the oncology or HCT services were included. Data source was SEDAR, a curated and validated approach to deliver EHR data for ML. Prediction time was 08:30 the morning following admission. The outcome was any vomiting within 96 h following prediction time. We trained models using L2-regularized logistic regression, LightGBM and XGBoost. Training cohorts include the target cohort and all inpatient admissions. Results There were 7,408 admissions in the retrospective phase and 340 admissions in the prospective silent trial phase. The best-performing model in the retrospective phase was the LightGBM model trained on all inpatients. The number of features in the final model was 2,859. The area-under-the-receiver-operating-characteristic curve (AUROC) was 0.730 (95% confidence interval (CI) 0.694–0.765) for the retrospective phase and 0.716 (95% CI 0.649–0.784) for the prospective silent trial phase. Conclusions We found that data in the EHR could be used to develop a retrospective ML model to predict vomiting among pediatric oncology and HCT inpatients. This model retained satisfactory performance in a prospective silent trial. Future plans will include deployment into clinical workflows and determining if the model improves vomiting control.

Background Symptom Screening in Pediatrics Tool (SSPedi) was developed for symptom screening by children 8-18 years. Objectives were to evaluate the reliability and validity of proxy-SSPedi and self-report mini-SSPedi for younger children. Methods This multi-center study enrolled guardians of children 2-7 years receiving cancer treatments (proxy-SSPedi) and their children 4-7 years (mini-SSPedi). The two populations were: (1) More symptomatic group where children were receiving active cancer treatment and were in hospital or clinic for four consecutive days; and (2) Less symptomatic group where children were receiving maintenance therapy for acute lymphoblastic leukemia or had completed cancer therapy. Proxy-SSPedi or mini-SSPedi were completed with measures of mucositis, nausea, pain, quality of life and overall symptoms. Respondents in the more symptomatic group repeated proxy-SSPedi/mini-SSPedi and a global symptom change scale 3 days later. Results There were 402 guardians and 326 children included in the analysis. Test re-test reliability of proxy-SSPedi showed intraclass correlation coefficient (ICC) 0.83 (95% confidence interval (CI) 0.72-0.90). Mean difference in proxy-SSPedi between more and less symptomatic groups was 9.7 (95% CI 8.3-11.1). Proxy-SSPedi was responsive to change and hypothesized relationships between measures were observed. With a priori threshold ≥0.6, inter-rater ICC among all dyads and those 6-7 years were 0.54 (95% CI 0.45-0.62) and 0.62 (95% CI 0.50-0.71) respectively. Among participating children, other hypothesized reliability and validity thresholds were generally met. Conclusions Proxy-SSPedi is reliable, valid and responsive in children 2-7 years old receiving cancer treatments. Mini-SSPedi can be used for children 6-7 years of age.

Objective Primary objective was to determine the feasibility of three times weekly symptom reporting by pediatric cancer patients for eight weeks. Methods We included English-speaking patients 8–18 years of age with cancer. Patients were sent reminders by text or email to complete Symptom Screening in Pediatrics Tool (SSPedi) three times weekly for eight weeks. When patients reported at least one severely bothersome symptom, the symptom report was emailed to the primary healthcare team. Patient-reported outcomes were obtained at baseline, week 4 ± 1 and week 8 ± 1. Symptom documentation, intervention provision for symptoms and unplanned healthcare encounters were determined by chart review at weeks 4 and 8. The primary endpoint was feasibility, defined as at least 75% patients achieving adherence with at least 60% of SSPedi evaluations. We planned to enroll successive cohorts until this threshold was met. Results Two cohorts consisting of 30 patients (cohort 1 ( n  = 20) and cohort 2 ( n  = 10)) were required to meet the feasibility threshold. In cohort 1, 11/20 (55%) met the SSPedi completion threshold. Interventions applied after cohort 1 included engaging parents to facilitate pediatric patient self-report, offering mechanisms to remember username and password and highlighting potential benefits of symptom feedback to clinicians. In cohort 2, 9/10 (90%) met the SSPedi completion threshold and thus feasibility was met. Patient-reported outcomes and chart review outcomes were obtained for all participants in cohort 2. Conclusions Three times weekly symptom reporting by pediatric patients with cancer for eight weeks was feasible. Mechanisms to enhance three times weekly symptom reporting were identified and implemented. Future studies of longitudinal symptom screening can now be planned.

Background The Symptom Screening in Pediatrics Tool (SSPedi) is valid for assessing symptoms in children aged 8–18 years receiving cancer treatments. The objective was to develop a new self-report symptom screening tool for children receiving cancer treatments who are 4–7 years of age (mini-SSPedi), based on SSPedi. Methods Respondents were children with cancer or pediatric hematopoietic stem cell transplantation (HSCT) recipients who were 4–7 years of age. We included the same 15 symptoms contained in SSPedi. Using cognitive interviewing, we developed mini-SSPedi in three phases and made decisions based upon respondent understanding. First, we developed questionnaire structure regarding recall period, concept of bother and response option format. Second, we determined wording of each symptom. Third, we evaluated the entire mini-SSPedi instrument for understanding and ease of completion. Results We enrolled 100 participants in total and included 30, 40 and 30 in each of the three phases. Questionnaire structure was satisfactory with a recall period of “today” and a faces-based 3-point Likert scale. Bother was well-understood. Five symptoms required modification to achieve satisfactory understanding while the remaining 10 SSPedi symptoms did not require modification. Among the last 10 children enrolled, all understood each mini-SSPedi item and none thought mini-SSPedi was hard to complete. Conclusion We developed a symptom screening tool for children with cancer and pediatric HSCT recipients between 4 and 7 years of age that is understandable and easy to complete. Future work will evaluate the psychometric properties of mini-SSPedi and develop an electronic version of the instrument.

The graft-versus-leukemia (GVL) effect after allogeneic hematopoietic cell transplant (HCT) can prevent relapse but the risk of severe graft-versus-host disease (GVHD) leads to prolonged intensive immunosuppression and possible blunting of the GVL effect. Strategies to reduce immunosuppression in order to prevent relapse have been offset by increases in severe GVHD and nonrelapse mortality (NRM). We recently validated the MAGIC algorithm probability (MAP) that predicts the risk for severe GVHD and NRM in asymptomatic patients using serum biomarkers. In this study we tested whether the MAP could identify patients whose risk for relapse is higher than their risk for severe GVHD and NRM. The multicenter study population (n = 1604) was divided into two cohorts: historical (2006–2015, n = 702) and current (2015–2017, n = 902) with similar NRM, relapse, and survival. On day 28 post-HCT, patients who had not developed GVHD (75% of the population) and who possessed a low MAP were at much higher risk for relapse (24%) than severe GVHD and NRM (16 and 9%); this difference was even more pronounced in patients with a high disease risk index (relapse 33%, NRM 9%). Such patients are good candidates to test relapse prevention strategies that might enhance GVL.

Purpose Change in hunger is a common and bothersome symptom among pediatric patients receiving cancer treatments. Objectives were to describe how children and adolescents receiving cancer treatments experience changes in hunger, factors associated with both increases and decreases in hunger, and coping strategies used by these patients. Methods We enrolled children and adolescents 4–18 years of age with cancer or hematopoietic stem cell transplantation (HSCT) recipients who were actively receiving treatment or who had completed therapy. Using a single, qualitative, semi-structured interview, we asked participants about the experience of increases or decreases in hunger, including characteristics of the change and identified coping strategies. Results There were 50 children enrolled; 25 (50%) were 4–10 years of age and 33 (66%) were boys. Most often, patients associated an increase in hunger with corticosteroid administration, while other treatments, accompanying symptoms, inactivity, and the hospital environment were associated with a decrease in hunger. Many reported that no coping strategies were successful. For those who did report successful strategies to manage an increase in hunger, these included sleep and having food available. Strategies used to manage a decrease in hunger included anti-emetic medications, increased caloric intake, varied food choices, encouragement to eat, scheduling or tracking of meals, and physical activity. Conclusions Both increases and decreases in hunger were commonly described. Some coping strategies were reported to be successful. Further research should identify and test interventions to manage changes in hunger in pediatric cancer patients.

Survival for high-risk neuroblastoma patients is still suboptimal. Although stem cell transplantation (SCT) is used, there is no consensus as to which conditioning regimen has the greatest efficacy and fewest toxicities. We assessed the incidence of and risk for hepatic veno-occlusive disease (VOD) for neuroblastoma patients who underwent autologous SCT with busulfan and melphalan (BuMel) at eight centers following Children’s Oncology Group (COG)-based induction chemotherapy. Data regarding the patients, SCT characteristics, busulfan steady-state concentrations, incidence of VOD, and survival were evaluated. VOD was defined using the modified Seattle criteria. Possible factors associated with VOD (age, busulfan-pharmacokinetic parameters, history of hepatic dysfunction, and day of neutrophil engraftment) were evaluated. Seventy five patients were included and 23 children (31%) developed VOD at a median of 19 days after SCT (range 14–27 days). VOD was the cause of death in 4 patients (5%). In a multivariable analysis, young age (OR 1.7 (95% CI: 1.16–2.56; p = 0.012)) and early day of neutrophil engraftment (OR 1.4 (95% CI: 1.08–2.14; p = 0.041) were associated with the development of VOD. Initial or cumulative busulfan steady-state concentration were not associated with VOD. We found that despite the use of intravenous busulfan with adjusted serum levels, the incidence of VOD remains high in pediatric neuroblastoma patients.

Purpose Supportive care Prioritization, Assessment and Recommendations for Kids (SPARK) is a web-based application that enables symptom screening and access to clinical practice guidelines for symptom management. Objective was to determine the feasibility of a randomized trial of daily symptom screening for 5 days among children receiving cancer treatments. Methods We included English-speaking pediatric cancer and hematopoietic stem cell transplantation (HSCT) patients who were 8–18 years of age at enrollment and who were expected to be in the hospital or in clinic daily for five consecutive days. We randomized children to either undergo daily symptom screening with symptom reports provided to the healthcare team using the SPARK vs. standard of care. The primary endpoint was feasibility, defined as being able to enroll at least 30 participants within 1 year, and among those randomized to intervention, at least 75% completing symptom screening on at least 60% of on-study days. Results From July 2018 to November 2018, we enrolled and randomized 30 participants. The median age at enrollment was 12.5 (range 8–18) years. Among the intervention group, the median number of days Symptom Screening in Pediatrics Tool (SSPedi) was completed at least once was 5 (range 4 to 5), with one participant missing 1 day of symptom screening. Among all participants, baseline and day 5 SSPedi scores were obtained in 29/30 participants. Conclusion A randomized trial of the SPARK with daily symptom screening for 5 days was feasible. It is now appropriate to proceed toward a definitive multi-center trial to test the efficacy of SPARK to improve symptom control.