Summary: The purpose of this study is to find out the genetic and biochemical makeup of your neuroblastic tumor, which influences its aggressiveness and the suitable therapy. These research studies include surface marker analysis, cytogenetics, cancer genes,genome sequencing, tumor growth-related genes and tumor growth in test tubes. Your blood, marrow, and hematopoietic stem cell samples will also be test...

Summary: This phase II trial compares the safety, side effects and effectiveness of anti-lag-3 (relatlimab) and anti-PD-1 blockade (nivolumab) to standard of care lomustine for the treatment of patients with glioblastoma that has come back after a period of improvement (recurrent). Relatlimab is a monoclonal antibody that may interfere with the ability of tumor cells to grow and spread. A monoclonal antibo...