Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain
NRG Oncology
NRG Oncology
Memorial Sloan Kettering Cancer Center
NRG Oncology
Dana-Farber Cancer Institute
Centre hospitalier de l'Université de Montréal (CHUM)
Eastern Cooperative Oncology Group
Alliance for Clinical Trials in Oncology
Yale University
Memorial Sloan Kettering Cancer Center