| Mobile Health and Social Media Physical Activity Intervention Among Adolescent and Young Adult Childhood Cancer Survivors, the StepByStep Study |
Educational Intervention, FitBit, Goal Setting, Media Intervention, Telephone-Based Intervention, Health Promotion and Education |
Active, not recruiting |
| Carvedilol in Preventing Heart Failure in Childhood Cancer Survivors |
Carvedilol, Laboratory Biomarker Analysis, Pharmacological Study, Quality-of-Life Assessment, Questionnaire Administration, Pharmacogenomic Study, Placebo Administration |
Active, not recruiting |
| Late Effects After Treatment in Patients With Previously Diagnosed High-Risk Neuroblastoma |
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Quality-of-Life Assessment |
Active, not recruiting |
| Assessing Compliance With Mercaptopurine Treatment in Younger Patients With Acute Lymphoblastic Leukemia in First Remission |
Behavioral Intervention, Compliance Monitoring, Laboratory Biomarker Analysis, Mercaptopurine, Questionnaire Administration, Standard Follow-Up Care |
Active, not recruiting |
| 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 |
| 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 |