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)
Emory University
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Emory University
National Cancer Institute (NCI)
Ohio State University Comprehensive 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)
Mayo Clinic
OHSU Knight Cancer Institute
Eastern Cooperative Oncology Group
Mayo Clinic
Duke University
University of Kansas Medical Center
National Cancer Institute (NCI)
Ohio State University Comprehensive Cancer Center
Mayo Clinic
Mayo Clinic
Emory University
Northwestern University
Mayo Clinic
Mayo Clinic
Mayo Clinic
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Mayo Clinic
National Cancer Institute (NCI)
Mayo Clinic
Alliance for Clinical Trials in Oncology
City of Hope Medical Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Ohio State University Comprehensive Cancer Center
City of Hope Medical Center
OHSU Knight Cancer Institute