NCT02849327 2019-09-12Combination of Cryosurgey and NK Immunotherapy for Recurrent Pharyngeal CancerFuda Cancer Hospital, GuangzhouPhase 1/2 Completed30 enrolled
NCT00970502 2017-04-10Erlotinib, Celecoxib and Reirradiation for Recurrent Head and Neck CancerIcahn School of Medicine at Mount SinaiPhase 1/2 Completed15 enrolled 16 charts