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)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
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)
NRG Oncology
M.D. Anderson Cancer Center
Duke University
Mayo Clinic
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Dana-Farber Cancer Institute
M.D. Anderson Cancer Center
University Health Network, Toronto
Radboud University Medical Center
NYU Langone Health
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
Emory University
Academic and Community Cancer Research United
SWOG Cancer Research Network
National Cancer Institute (NCI)
Vanderbilt-Ingram Cancer Center
M.D. Anderson Cancer Center
Thomas Jefferson University
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Ohio State University Comprehensive Cancer Center
M.D. Anderson Cancer Center
Northwestern University
Stanford University
National Cancer Institute (NCI)
Rutgers, The State University of New Jersey
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
University of California, San Francisco