Nivolumab With or Without Ipilimumab in Treating Patients With Refractory Metastatic Anal Canal Cancer
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Ohio State University Comprehensive Cancer Center
AIDS Malignancy Consortium
Instituto do Cancer do Estado de São Paulo
National Cancer Institute (NCI)
Eastern Cooperative Oncology Group
Hoosier Cancer Research Network
University Health Network, Toronto
Rutgers, The State University of New Jersey
Case Comprehensive Cancer Center
MacroGenics