NCT05334706 2026-02-23RIFT-HPVInstitut d'Investigació Biomèdica de BellvitgePhase 4 Recruiting69 enrolled
NCT04206813 2026-01-27An Exploratory Open-Label Clinical Trial Evaluating the Immunogenicity of the 9-valent 2-dose HPV Vaccination RegimenBoston Medical CenterPhase 4 Active not recruiting352 enrolled
NCT04474821 2026-01-12HPV Educational Intervention to Increase Acceptance and Completion of Free HPV Vaccination Among Underserved AdultsMayo ClinicPhase 4 Completed100 enrolled