NCT00021125 2013-06-26Radiation Therapy in Treating Patients With Head and Neck CancerNational Cancer Institute (NCI)Phase 3 Completed460 enrolled
NCT00336947 2013-05-15S-1 or Tegafur-Uracil in Treating Patients With Previously Treated Stage III or Stage IV Head and Neck CancerNational Cancer Institute (NCI)Phase 3 Unknown500 enrolled