| Lactobacillus Plantarum in Preventing Acute Graft Versus Host Disease in Children Undergoing Donor Stem Cell Transplant |
Allogeneic Hematopoietic Stem Cell Transplantation, Lactobacillus plantarum strain 299, Lactobacillus plantarum strain 299v, Placebo Administration |
Active, not recruiting |
| Web-Based Physical Activity Intervention in Improving Long Term Health in Children and Adolescents With Cancer |
Educational Intervention, Internet-Based Intervention, Laboratory Biomarker Analysis, Medical Device Usage and Evaluation, Quality-of-Life Assessment, Questionnaire Administration |
Recruiting |
| Study of Kidney Tumors in Younger Patients |
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis |
Recruiting |
| Blood Sample Markers of Reproductive Hormones in Assessing Ovarian Reserve in Younger Patients With Newly Diagnosed Lymphomas |
Laboratory Biomarker Analysis, Questionnaire Administration |
Active, not recruiting |
| Effects of Dexrazoxane Hydrochloride on Biomarkers Associated With Cardiomyopathy and Heart Failure After Cancer Treatment |
Assessment of Therapy Complications, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration |
Recruiting |
| Genetic Analysis in Identifying Late-Occurring Complications in Childhood Cancer Survivors |
Questionnaire Administration, Laboratory Biomarker Analysis |
Recruiting |
| Neuropsychological and Behavioral Testing in Younger Patients With Cancer |
Cognitive Assessment, Quality-of-Life Assessment |
Recruiting |
| Evaluation of Immunologic Response Following COVID-19 Vaccination in Children, Adolescents, and Young Adults With Cancer |
Biospecimen Collection, Survey Administration |
Recruiting |
| Biomarkers in Tumor Tissue Samples From Patients With Newly Diagnosed Neuroblastoma or Ganglioneuroblastoma |
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis |
Recruiting |
| A Study of the Drug Letermovir as Prevention of Cytomegalovirus Infection After Stem Cell Transplant in Pediatric Patients |
Biospecimen Collection, Letermovir |
Not yet recruiting |