Abnormal body mass index at diagnosis in patients with Ewing sarcoma is associated with inferior tumor necrosis

Nutritional status, body composition and diet quality in children with cancer

During cancer treatment, nutritional status disorders such as malnutrition or obesity affect the tolerance of cancer treatment, quality of life, but also the pharmacokinetics of drugs. It is hypothesized that changes in fat and lean body mass can modify chemotherapy volume distribution, metabolism and clearance. In children with cancer, lean body mass decreases or remains low during treatment and fat mass increases. Body composition is influenced by the cancer itself, aggressive multimodal-therapies, changes in metabolism, unbalanced diet and reduced physical activity. Due to the side effects of treatment, including changes in the sense of taste and smell, nausea, vomiting, diarrhea, and stress, eating according to recommendation for macronutrients and micronutrients is difficult. Research indicates that throughout cancer treatment, the consumption of fruits, vegetables, and dairy products tends to be insufficient, whereas there is an elevated intake of sugar and unhealthy snacks. Children exhibit a preference for high-carbohydrate, salty, and strongly flavored products. This review revealed the importance of body composition and its changes during cancer treatment in children, as well as eating habits and diet quality.

Nutritional status associated with clinical outcomes in children with solid tumors: A retrospective cohort study from China

OBJECTIVE

To investigate the long-term changes in nutritional status in children with solid tumors during treatment and the relationship between nutritional status and clinical outcomes.

METHODS

This study was a retrospective medical records review of data from children who were diagnosed with solid tumors and followed up for more than 3 months from January 2016 to December 2021 in China. Patient demographics and clinical information, including nutritional status, parenteral nutrition use, intensive care unit (ICU) transfers, infection during hospitalization, hospitalization frequency, length of stay, hospitalization costs and antibiotic costs, were collected to analyze the nutritional status of children with different types of solid tumors, the dynamic changes in nutritional status during treatment, and the relationship between nutritional status and clinical outcomes.

RESULTS

Among the 764 patients (383 males (50.1%); 381 females (49.9%); mean age: 2.58 years), 41.6% of the solid tumors were neuroblastomas, 17.1% were hepatoblastomas, and Wilms tumors as the third most common solid tumors (8.9%). The median follow-up duration was 6 months (range: 3-40 months). At diagnosis, the proportion of children who were undernourished (underweight and wasting) versus overweight or obese were 26.71% versus 5.21% (25.86% vs. 2.89% in the third month; 29.77% vs. 2.28% in the sixth month; 24.77% vs. 3.27% in the 12th month). The body mass index Z scores decreased from the initial values after the first month (-0.56 (-1.47, 0.23) vs. -0.44 (-1.29, 0.41)) but improved later and decreased again at 6 months. The children in the undernutrition group had longer hospital stays (p < 0.001), higher hospitalization costs (p < 0.001), higher antibiotic costs (p < 0.001), a higher risk of neutropenia (OR = 4.781 (95% CI: 1.571-14.553), p = 0.006), and a higher risk of ICU transfers (OR = 1.498 (95% CI: 1.010-2.224), p = 0.044). No significant differences in those associations by malnutrition and infection, ICU duration, or length of parenteral nutrition were observed.

CONCLUSION

There is a considerable prevalence of malnutrition in children with solid tumors. Malnutrition is related to adverse clinical outcomes and increases in total hospital expenses and antibiotic costs.

Body Mass Index Affects Delayed Chemotherapy-induced Vomiting in Pediatric Malignancy Patients

BACKGROUND

Delayed chemotherapy-induced vomiting (DCIV) is a problem for children undergoing chemotherapy for malignant tumors. The aim of this study was to investigate the association between body mass index (BMI) and DCIV in children.

PATIENTS AND METHODS

Clinical data were collected from patients with malignancies who underwent chemotherapy at our center. Independent risk factors for DCIV derived by logistic regression. The Youden Index, which calculates BMI, divides patients into a high-risk group and a low-risk group, and the difference in DCIV between the two groups was analyzed. The relationship between BMI and DCIV was assessed by calculating the frequency of vomiting episodes and the severity of vomiting.

RESULTS

A total of 283 patients were included in this cohort study. BMI (odds ratio [OR]: 0.811; 95% CI: 0.699-0.941), age (OR: 1.014; 95% CI: 1.006-1.021), and emetogenic grade (OR: 2.858, 95% CI: 1.749-4.671) were independent risk factors for the development of DCIV in children. Patients in the high-risk group experienced vomiting more frequently and with greater severity than those in the low-risk group ( P < 0.05).

CONCLUSIONS

BMI in children with malignancy is associated with DCIV, and the incidence of DCIV decreases as BMI increases. Physicians may be able to arrange a more elaborate antiemetic prevention regimen based on the patient's BMI.

Nutritional Status at Diagnosis as Predictor of Survival from Childhood Cancer: A Review of the Literature

Few studies so far have examined the impact of nutritional status on the survival of children with cancer, with the majority of them focusing on hematological malignancies. We summarized published evidence reporting the association of nutritional status at diagnosis with overall survival (OS), event-free survival (EFS), relapse, and treatment-related toxicity (TRT) in children with cancer. Published studies on children with leukemia, lymphoma, and other solid tumors have shown that both under-nourished and over-nourished children at cancer diagnosis had worse OS and EFS. Particularly, the risk of death and relapse increased by 30-50% among children with leukemia with increased body mass index at diagnosis. Likewise, the risk of TRT was higher among malnourished children with osteosarcoma and Ewing sarcoma. Nutritional status seems to play a crucial role in clinical outcomes of children with cancer, thus providing a significant modifiable prognostic tool in childhood cancer management. Future studies with adequate power and longitudinal design are needed to further evaluate the association of nutritional status with childhood cancer outcomes using a more standardized definition to measure nutritional status in this population. The use of new technologies is expected to shed further light on this understudied area and give room to person-targeted intervention strategies.

The Role of Nutritional Status, Gastrointestinal Peptides, and Endocannabinoids in the Prognosis and Treatment of Children with Cancer

Neoplastic diseases in children are the second most frequent cause of death among the young. It is estimated that 400,000 children worldwide will be diagnosed with cancer each year. The nutritional status at diagnosis is a prognostic indicator and influences the treatment tolerance. Both malnutrition and obesity increase the risk of mortality and complications during treatment. It is necessary to constantly search for new factors that impair the nutritional status. The endocannabinoid system (ECS) is a signaling system whose best-known function is regulating energy balance and food intake, but it also plays a role in pain control, embryogenesis, neurogenesis, learning, and the regulation of lipid and glucose metabolism. Its action is multidirectional, and its role is being discovered in an increasing number of diseases. In adults, cannabinoids have been shown to have anti-cancer properties against breast and pancreatic cancer, melanoma, lymphoma, and brain tumors. Data on the importance of both the endocannabinoid system and synthetic cannabinoids are lacking in children with cancer. This review highlights the role of nutritional status in the oncological treatment process, and describes the role of ECS and gastrointestinal peptides in regulating appetite. We also point to the need for research to evaluate the role of the endocannabinoid system in children with cancer, together with a prospective assessment of nutritional status during oncological treatment.

Comorbidities rather than older age define outcome in adult patients with tumors of the Ewing sarcoma family

Background

Ewing family of tumors (EFT) is rarely diagnosed in patients (pts) over the age of 18 years (years), and data on the clinical course and the outcome of adult EFT pts is sparse.

Methods

In this retrospective analysis, we summarize our experience with adult EFT pts. From 2002 to 2020, we identified 71 pts of whom 58 were evaluable for the final analysis.

Results

Median age was 31 years (18–90 years). Pts presented with skeletal (n = 26), and extra‐skeletal primary disease (n =32). Tumor size was ≥8 cm in 20 pts and 19 pts were metastasized at first diagnosis. Between the age groups (≤25 vs. 26–40 vs. ≥41 years) we observed differences of Charlson comorbidity index (CCI), tumor origin, as well as type and number of therapy cycles. Overall, median overall survival (OS) was 79 months (95% confidence interval, CI; 28.5–131.4 months), and median progression‐free survival (PFS) 34 months (95% CI; 21.4–45.8 months). We observed a poorer outcome (OS, PFS) in older pts. This could be in part due to differences in treatment intensity and the CCI (<3 vs. ≥3; hazard ratio, HR 0.334, 95% CI 0.15–0.72, p = 0.006). In addition, tumor stage had a significant impact on PFS (localized vs. metastasized stage: HR 0.403, 95% CI 0.18–0.87, p = 0.021).

Conclusions

Our data confirms the feasibility of intensive treatment regimens in adult EFT pts. While in our cohort outcome was influenced by age, due to differences in treatment intensity, CCI, and tumor stage, larger studies are warranted to further explore optimized treatment protocols in adult EFT pts.

Early Nutritional Intervention to Promote Healthy Eating Habits in Pediatric Oncology: A Feasibility Study

This study aims to describe the feasibility of a nutritional intervention that promotes healthy eating habits early after cancer pediatric diagnosis in patients and their parents. Participants were recruited 4 to 12 weeks after cancer diagnosis as part of the VIE study. The one-year nutritional intervention included an initial evaluation and 6 follow-up visits every 2 months with a registered dietician. The feasibility assessment included rates of retention, participation, attendance, completion of study measures, and participants' engagement. A preliminary evaluation of the intervention's impact on the participants' dietary intakes was conducted. A total of 62 participants were included in the study (51.6% male, mean age = 8.5 years, mean time since diagnosis = 13.2 weeks). The retention and attendance rates were 72.6% and 71.3%, respectively. Attendance to follow-up visits declined over time, from 83.9% to 48.9%. A majority of participants had high participation (50.8%) and high engagement (56.4%). Measures of body-mass-index or weight-for-length ratio and dietary 24-h recalls were the procedures with the highest completion rates. Participants with refractory disease or relapse were less likely to complete the intervention. Post-intervention, participants (n = 21) had a lower sodium intake compared to the initial evaluation. These results suggest that a nutritional intervention that involves patients and parents early after a pediatric cancer diagnosis is feasible.

Association of body mass index with toxicity and survival in pediatric patients treated with cisplatin-containing regimens

Malnutrition is associated with treatment-related toxicities (TRT) in adults with solid tumors and in children with leukemia. Few studies have assessed whether malnutrition in pediatric patients treated for solid tumors impacts risk for TRT, relapse, and/or survival. To address this knowledge gap, this retrospective study evaluated the association between body mass index (BMI) at diagnosis, and imputed BMI during therapy, on the prevalence of TRT, specific toxicities, relapse, and survival in pediatric patients with solid tumors treated with cisplatin-containing regimens. Kaplan-Meier curves and regression models evaluated the association between patient-specific characteristics (including BMI) and TRT, relapse, and survival. The cohort included 221 patients, of whom 22% were malnourished at diagnosis (10% were underweight and 12% were obese). Most patients (60%) experienced at least one severe TRT, and 30% developed more than one severe TRT. Most patients with obesity at diagnosis remained obese during therapy (62%). In multivariable analysis, obesity at diagnosis was significantly associated with a more than threefold greater risk for developing severe TRT (p = 0.037), specifically for acute or chronic kidney injury (p = 0.014). Obesity at diagnosis and adolescent and young adult age (≥15 years at diagnosis) were associated with worse event-free survival (hazard ratio [HR] 2.32, p = 0.024 and HR 2.28, p = 0.010, respectively) and overall survival (HR 3.69, p = 0.006 and HR 2.6, p = 0.012, respectively). Obese and older patients therefore constitute populations at risk for poorer outcomes. Prospective studies are warranted to gain further insight into the mechanism and role of obesity and adolescence in developing TRT and/or treatment failure.

Histological response to neoadjuvant chemotherapy in localized Ewing sarcoma of the bone: A retrospective analysis of available scoring tools

AIM

The aim is to evaluate which of the existing scoring systems of histological response to neoadjuvant chemotherapy best stratifies the clinical outcome of patients with localized Ewing sarcoma of bone.

METHODS

474 patients with diagnosis of localized Ewing sarcoma of bone were included. The median follow-up was 13.5 years.

RESULTS

The overall survival and the disease-free survival (DFS) were 70.8% and 63.9% at 5 years. The percentage of histological response to neoadjuvant chemotherapy ranged between 5% and 100% (mean 83%). The agreement between Bologna System and the different percentual cut-offs of histological response to neoadjuvant chemotherapy was high, with kappa statistics of 0.83 for a cut-off of ≥90%; 0.86 for a cut-off of ≥95%; 0.79 for a cut-off of ≥96% and 0.61 for a cut-off of 100%. Statistically higher DFS rates for good responders compared to poor responders were found when using each given system. Model performance indicators showed that Bologna system had a lower AIC score and a higher c-statistics to predict DFS. When the patients classified as good responders using the different percentual cut-offs of histological response to neoadjuvant chemotherapy, were instead re-classified using the Bologna system, statistical differences were noted in DFS within each specific group.

CONCLUSIONS

All scoring tools to evaluate histological response to neoadjuvant chemotherapy offer good predictive value for DFS in localized Ewing's sarcoma of bone. The Bologna system better stratifies those patients with histological response to neoadjuvant chemotherapy between 90 and 99%, representing a more reliable scoring tool in this subset.

Nutritional Status of Pediatric Cancer Patients at Diagnosis and Correlations with Treatment, Clinical Outcome and the Long-Term Growth and Health of Survivors

Malnutrition is caused either by cancer itself or by its treatment, and affects the clinical outcome, the quality of life (QOL), and the overall survival (OS) of the patient. However, malnutrition in children with cancer should not be accepted or tolerated as an inevitable procedure at any stage of the disease. A review of the international literature from 2014 to 2019 was performed. Despite the difficulty of accurately assessing the prevalence of malnutrition, poor nutritional status has adverse effects from diagnosis to subsequent survival. Nutritional status (NS) at diagnosis relates to undernutrition, while correlations with clinical outcome are still unclear. Malnutrition adversely affects health-related quality of life (HRQOL) in children with cancer and collective evidence constantly shows poor nutritional quality in childhood cancer survivors (CCSs). Nutritional assessment and early intervention in pediatric cancer patients could minimize the side effects of treatment, improve their survival, and reduce the risk of nutritional morbidity with a positive impact on QOL, in view of the potentially manageable nature of this risk factor.

Nutritional status and clinical outcomes in pediatric patients with solid tumors : A systematic review of the literature

INTRODUCTION

Nutritional status (NS), defined by undernutrition (body mass index [BMI] <5th percentile) or overnutrition (BMI  ≥ 85th percentile), is a poor prognostic indicator in pediatric oncology patients. The impact of NS has been primarily studied in hematologic malignancies. This review is intended to summarize literature reporting on the association of NS and treatment-related outcomes in pediatric solid tumors.

METHODS

We searched four electronic databases from inception through August 2018 without language restriction, and included studies of children with cancers arising from renal, bone, liver, eye, muscle, vascular, germ cell, and neural crest tissues, reporting on NS as a predictor for toxicity, survival or relapse. Due to data heterogeneity and limited availability of studies, formal statistical analysis was not achievable. Descriptive statistics were summarized in table format.

RESULTS

Of 8,991 reports identified, 75 full-text articles were evaluated, 10 of which met inclusion criteria. Up to 62% of patients were over- or undernourished at diagnosis. Abnormal BMI was associated with worse overall survival in Ewing sarcoma (hazard ratio (HR): 3.46, P = .022), osteosarcoma (HR: 1.6, P < .005), and a trend toward poorer overall survival in rhabdomyosarcoma (HR: 1.70, P = .0596). High BMI in osteosarcoma was associated with increased nephrotoxicity (odds ratio: 2.8, P = .01) and postoperative complications. NS was not a significant predictor of outcomes in other included disease categories.

CONCLUSIONS

Existing literature supports the prognostic significance of NS in pediatric solid tumor patients and underscores the need for prospective studies to better elucidate underlying physiological changes in this population.

Is malnutrition associated with postoperative complications in patients with primary bone sarcomas?

BACKGROUND

Modifiable risk factors that can be optimized to minimize postoperative complications in patients with bone sarcomas are yet to be identified.

METHODS

We retrospectively identified 275 patients aged 18 and older who underwent surgery for primary bone sarcomas who also had albumin values recorded within 4 weeks before surgery. Postoperative complications were defined as infection, hematoma, need for additional surgery, or wound complications.

RESULTS

In the multivariate analysis, age (P = 0.049) and neoadjuvant radiotherapy (P = 0.008) were independently associated with postoperative complications. We then performed a subanalysis of patients without a pelvic tumor who also did not receive radiotherapy (n = 178). In this population, albumin less than 2.8 g/dL was found to be independently associated with postoperative complications (odds ratio [OR], 4.69. 95% confidence intervals [CI], 1.03-21.97; P = 0.046).

CONCLUSIONS

This study demonstrates that hypoalbuminemia (albumin < 2.8 g/dL) is associated with postoperative complications in patients with nonpelvic bone sarcomas who do not receive radiation. Future studies are necessary to further elucidate the role of nutrition, and they may show that nutritional status is a modifiable risk factor that can be optimized to improve the outcome of surgery for primary bone sarcomas.

Diet and exercise interventions for pediatric cancer patients during therapy: tipping the scales for better outcomes

Obesity at diagnosis is a negative prognostic indicator for several pediatric cancers including acute leukemia and bone tumors. Incidence of obesity in children has increased three-fold over the past 2 decades, and causes for this include poor diet, excessive caloric intake, and lack of physical activity, which are collectively referred to as energy balance-related behaviors. Few energy balance interventions have been implemented in pediatric cancer patients during treatment, and here we will probe the rationale for pursuing such studies. The need to modify composition of calories consumed and to identify specific beneficial exercise regimens will be discussed, relative to weight reduction or management.