Late Effects After Treatment in Patients With Previously Diagnosed High-Risk Neuroblastoma

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PRIMARY OBJECTIVES: I. To estimate the prevalence of organ dysfunction, subsequent malignant neoplasm (SMN), growth impairment, abnormal pubertal development, and neurobehavioral dysfunction in a large cohort of representative 5-year survivors of high-risk neuroblastoma treated with modern therapy. ...

PRIMARY OBJECTIVES: I. To estimate the prevalence of organ dysfunction, subsequent malignant neoplasm (SMN), growth impairment, abnormal pubertal development, and neurobehavioral dysfunction in a large cohort of representative 5-year survivors of high-risk neuroblastoma treated with modern therapy. II. To identify the demographic, clinical and treatment-related risk factors associated with increased risk of organ dysfunction, SMN, growth impairment, abnormal pubertal development and neurobehavioral dysfunction in long-term survivors of high-risk neuroblastoma. III. To explore the impact of new biologic therapies and diagnostics including immunotherapy, immunocytokines, isotretinoin (cis-retinoic acid) and iobenguane I-131 (131 I-MIBG) on the risk of late effects. IV. To determine the impact of impaired organ function, physical growth, pubertal development, and neurobehavioral function on health-related quality of life (HRQOL) in long-term survivors of high-risk neuroblastoma. SECONDARY OBJECTIVES: I. To establish a cohort of high-risk neuroblastoma survivors, with stored peripheral blood samples, who were treated with multi-modal therapies since the year 2000 as a resource for future investigation. OUTLINE: Patients undergo collection of blood and urine samples on day 1. Patients also undergo clinical assessments, laboratory, radiographic, and other ancillary studies on day 1.

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