NCT00006471 2018-11-01Fenretinide in Treating Patients With Recurrent or Metastatic Head and Neck CancerM.D. Anderson Cancer CenterPhase 2 Completed11 enrolled
NCT00004161 2013-04-12Fenretinide in Treating Patients With Leukoplakia of the MouthUniversity of Alabama at BirminghamPhase 2 Completed30 enrolled