NCT03811015 2026-05-29Testing Immunotherapy Versus Observation in Patients With HPV Throat CancerNational Cancer Institute (NCI)Phase 3 Active not recruiting636 enrolled
NCT05541016 2026-05-12De-Escalated Adjuvant and Definitive Radiation Therapy Informed by DART 2.0 ctHPV-DNAMayo ClinicPhase 2 Recruiting455 enrolled