NCT03993353 2026-02-12Tadalafil and Pembrolizumab in Recurrent or Metastatic Head and Neck CancerUniversity of California, San DiegoPhase 2 Completed7 enrolled 14 charts
NCT02544880 2021-06-15PDE5 Inhibition Via Tadalafil to Enhance Anti-Tumor Mucin 1 (MUC1) Vaccine Efficacy in Patients With HNSCCUniversity of MiamiPhase 1 Completed16 enrolled
NCT00843635 2015-10-19Tadalafil in Treating Patients Undergoing Surgery for Cancer of the Oral Cavity or OropharynxUniversity of MiamiPhase NA Completed35 enrolled 21 charts