NCT01229319 2011-06-22Imiquimod 3.75% Cream in Combination With Cryotherapy in the Treatment of Hypertrophic Actinic KeratosesFrankel, Amylynne, M.D.Phase 4 Unknown20 enrolled
NCT00628784 2008-07-24Endoesophageal Cryotherapy For Ablating Barrett's Esophagus and Early Stage Esophageal CancerWalter Reed Army Medical CenterPhase 4 Unknown100 enrolled