Nivolumab With or Without Ipilimumab in Treating Patients With Refractory Metastatic Anal Canal Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
University of Pittsburgh
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Brown University
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
City of Hope Medical Center
UNC Lineberger Comprehensive Cancer Center
Bristol-Myers Squibb
Blokhin's Russian Cancer Research Center
M.D. Anderson Cancer Center
Wake Forest University Health Sciences
Bristol-Myers Squibb
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
City of Hope Medical 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)
Brown University
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Providence Health & Services
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Providence Health & Services
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)
Dana-Farber Cancer Institute
Bristol-Myers Squibb