Nivolumab With or Without Ipilimumab in Treating Patients With Refractory Metastatic Anal Canal Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
NRG Oncology
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
National Cancer Institute (NCI)
Duke University
University of Kansas Medical Center
National Cancer Institute (NCI)
Jonsson Comprehensive Cancer Center
Alliance for Clinical Trials in Oncology
Northwestern University
University of Washington
Alliance for Clinical Trials in Oncology
Ohio State University Comprehensive Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
University of Southern California
City of Hope Medical Center
City of Hope Medical Center
Thomas Jefferson University
Massachusetts General Hospital
Alliance for Clinical Trials in Oncology
Jonsson Comprehensive Cancer Center
National Cancer Institute (NCI)
University of Cincinnati
Tata Memorial Hospital
National Cancer Institute (NCI)