Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain
NRG Oncology
NRG Oncology
M.D. Anderson Cancer Center
Mayo Clinic
Stanford University
Fred Hutchinson Cancer Center
Mayo Clinic
City of Hope Medical Center
Memorial Sloan Kettering Cancer Center
City of Hope Medical Center
Emory University
Mayo Clinic
Mayo Clinic
Mayo Clinic
NRG Oncology
Uppsala University
Vanderbilt-Ingram Cancer Center
University of Southern California
University of Kansas Medical Center
British Columbia Cancer Agency
Memorial Sloan Kettering Cancer Center