NCT00003856 2013-12-19Photodynamic Therapy in Treating Patients With Recurrent, Refractory, or Second Primary Head and Neck Cancer That Cannot Be Treated With Surgery or Radiation TherapyNational Cancer Institute (NCI)Phase 2 Unknown75 enrolled
NCT01415986 2012-12-03Interstitial Photodynamic Therapy (PDT) With Temoporfin for Advanced Head and Neck CancersUniversity of ArkansasPhase 2 Terminated1 enrolled 6 charts