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ClinicalTrials.gov public records Last synced Oct 10, 2026, 11:10 AM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: GARDASIL®9 (Human Papillomavirus 9-valent Vaccine, Recombinant) Clear all
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Immunogenicity of the 9vHPV Vaccination 2-dose Regimen Among Children 4 to 8 Years Old

NCT05329961
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Gardasil9
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
4 Years to 8 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 10, 2026, 11:10 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Efficacy of Booster Injection With Gardasil-9 Vaccine on Intersurgical Interval* for Adults With Recurrent Respiratory Papillomatosis*

NCT07339163
View directory record Official record
Conditions
Recurrent Respiratory Papillomatosis (RRP)
Interventions
GARDASIL®9 (Human Papillomavirus 9-valent Vaccine, Recombinant)
Biological
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2035
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 10, 2026, 11:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of 9-valent Human Papillomavirus (9vHPV) Vaccine Coadministered With Messenger Ribonucleic Acid (mRNA)-1273 Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) (COVID-19) Vaccine (V503-076)

NCT05119855
View directory record Official record
Conditions
Papillomavirus Infections, Coronavirus Disease (COVID-19)
Interventions
9vHPV Vaccine, mRNA-1273 Vaccine
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
9 Years to 11 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
38
States / cities
Phoenix, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 10, 2026, 11:10 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Efficacy Against Oral Persistent Infection, Immunogenicity and Safety of the 9-valent Human Papillomavirus Vaccine (9vHPV) in Men Aged 20-45 Years (V503-049)

NCT04199689
View directory record Official record
Conditions
Papillomavirus Infections
Interventions
9vHPV Vaccine, Placebo (Saline for Injection)
Biological · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
20 Years to 45 Years · Male only
Enrollment
6,033 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
32
States / cities
Northridge, California • Rialto, California • Simi Valley, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 10, 2026, 11:10 AM EDT