Ipilimumab vs Ipilimumab Plus Nivolumab in Patients With Stage III-IV Melanoma Who Have Progressed or Relapsed on PD-1 Inhibitor Therapy

Memorial Sloan Kettering Cancer Center, New York

Memorial Sloan Kettering Westchester, Harrison

Lehigh Valley Health Network, Allentown

University of Pennsylvania, Philadelphia

University of California, Los Angeles, Los Angeles

University of California, San Francisco, San Francisco

Memorial Sloan Kettering Basking Ridge, Basking Ridge