Umbrella Long-Term Follow-Up Protocol
The overall goal of this study is to keep in contact with participants of COG clinical trials, so that up-to-date information will be available about these participants as they get older. This includes current name, contact, and health status information. This study specifically aims to establish and maintain a systematic, cost-effective mechanism to facilitate and ensure timely and efficient collection of off-therapy, protocol-driven data by member institutions in order to enhance the scope and quality of Children¿s Oncology Group (COG) health-related outcomes research.
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