Testing Longer Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With Cancer That Has Spread to the Brain
NRG Oncology
NRG Oncology
Karolinska University Hospital
University of Pittsburgh
Memorial Sloan Kettering Cancer Center
NRG Oncology
UNICANCER
Melanoma and Skin Cancer Trials Limited
University of Aarhus
The Netherlands Cancer Institute
Radboud University Medical Center
Shanghai Junshi Bioscience Co., Ltd.
Nova Scotia Health Authority
The Netherlands Cancer Institute
National Cancer Institute, Naples
Milton S. Hershey Medical Center
Institut de Cancérologie de Lorraine
Jonsson Comprehensive Cancer Center
Alliance for Clinical Trials in Oncology
Peking University Cancer Hospital & Institute
European Institute of Oncology
Nantes University Hospital
University Hospital Tuebingen
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Saint John's Cancer Institute
University of Alabama at Birmingham
Trans Tasman Radiation Oncology Group
Hackensack Meridian Health
Saint John's Cancer Institute
M.D. Anderson Cancer Center
University Hospital, Bordeaux
University of Wuerzburg
Dermatologic Cooperative Oncology Group