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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:09 AM EDT

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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Gardasil 9 Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers

Testing RG1-VLP Vaccine to Prevent HPV-related Cancers

NCT05985681
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Biospecimen Collection, HPV16 RG1 VLP Vaccine, Questionnaire Administration, Recombinant Human Papillomavirus Nonavalent Vaccine
Procedure · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 60 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Active, not recruiting Phase 2 Interventional

Immunogenicity of the 9-Valent Human Papillomavirus Recombinant Vaccine in People With Idiopathic CD4 T Cell Lymphocytopenia

NCT03519464
View directory record Official record
Conditions
Idiopathic CD4 T Cell Lymphocytopenia
Interventions
Gardasil 9
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers Results available

Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants

NCT02568566
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Laboratory Biomarker Analysis, Recombinant Human Papillomavirus Nonavalent Vaccine
Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
9 Years to 11 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
2
States / cities
Tucson, Arizona • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
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 21, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Antibody Response to Human Papillomavirus Recombinant Vaccine (Gardasil®) in Girls and Young Women With Chronic Kidney Disease

NCT00806676
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Gardasil® Vaccine (FDA-approved vaccination regimen)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years to 21 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
2
States / cities
Atlanta, Georgia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 21, 2026, 4:09 AM EDT
Active, not recruiting Phase 4 Interventional

Immunogenicity of HPV Vaccine in Transplant Recipients.

NCT05557370
View directory record Official record
Conditions
Chronic Kidney Diseases, Kidney Transplant
Interventions
Human Papilloma Virus vaccine (GARDASIL 9)
Biological
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 21, 2026, 4:09 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 21, 2026, 4:09 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

HPV Vaccine Reduced Dose

NCT06799494
View directory record Official record
Conditions
HPV
Interventions
Gardasil-9, Lidocaine injection, Lorazepam
Biological · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Immunogenicity of Gardasil-9 HPV Vaccine in People Living With HIV

NCT05266898
View directory record Official record
Conditions
Papillomavirus Vaccines, Human Immunodeficiency Virus, Papillomavirus Infection, Serology, Cervical Intraepithelial Neoplasia, Anal Intraepithelial Neoplasia, Oral Cavity Infection
Interventions
Human papillomavirus 9-valent vaccine, recombinant, human papillomavirus vaccine, recombinant
Biological
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 18, 2025 · Synced Oct 21, 2026, 4:09 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Developing and Evaluating a Novel Approach to Improve HPV Vaccination Coverage Among High-risk, Under-immunized Adults Via the Emergency Department

NCT06229353
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Gardasil 9
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 45 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 21, 2026, 4:09 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 20, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Terminated Phase 1 Interventional Results available

A Phase I Study of Quadrivalent Human Papilloma Virus (HPV) (Types 6, 11, 16, 18) Recombinant Vaccine in HIV-Infected and HIV-Negative Pre-Adolescents, Adolescents, and Young Adults

NCT00798265
View directory record Official record
Conditions
Human Immunodeficiency Virus, Human Papillomavirus- 6, 11, 16, 18, Adolescent, Papillomavirus Vaccines
Interventions
Gardasil, Survey
Biological · Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Years to 26 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Vaccine Therapy in Preventing Human Papillomavirus Infection in Younger Cancer Survivors

NCT01492582
View directory record Official record
Conditions
Cancer Survivor, Prevention of Human Papillomavirus Infection
Interventions
quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine or nonavalent human papillomavirus vaccine (HPV 6, 11, 16, 18, 31, 33, 45, 52, 58), laboratory biomarker analysis, survey administration, medical chart review
Biological · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 26 Years
Enrollment
1,499 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
5
States / cities
Birmingham, Alabama • Duarte, California • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Oct 21, 2026, 4:09 AM EDT
Withdrawn Early Phase 1 Interventional

Therapeutic Treatment With Human Papillomavirus Quadrivalent Vaccine for Recurrent Respiratory Papillomatosis

NCT00829608
View directory record Official record
Conditions
Recurrent Respiratory Papillomatosis
Interventions
Human Papillomavirus Vaccine
Biological
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Oct 21, 2026, 4:09 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Intradermal, Fractional Dose of HPV Vaccines:

NCT04235257
View directory record Official record
Conditions
HPV Infection, HPV Vaccine
Interventions
HPV vaccine
Biological
Lead sponsor
University of Washington
Other
Eligibility
27 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of Gardasil in Females With Juvenile Idiopathic Arthritis (JIA)/Seronegative Arthritis

NCT00573651
View directory record Official record
Conditions
Arthritis
Interventions
Blood Draws for Serum Titers
Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
9 Years to 26 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
4
States / cities
Chicago, Illinois • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 21, 2026, 4:09 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Comparing Immune Response of 2 vs 3 HPV Doses (27-45 Years Old)

NCT05672927
View directory record Official record
Conditions
Immunization, HPV Infection, Human Papillomavirus
Interventions
9-valent HPV vaccine, 2 doses alternate timing, 9-valent HPV vaccine, 3 doses standard timing
Biological
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
27 Years to 45 Years · Female only
Enrollment
618 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Assessing Durable Antibody Response to HPV Vaccination

NCT05031078
View directory record Official record
Conditions
HPV
Interventions
Gardasil-9, Lidocaine injections
Biological · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Phase 4 Interventional Results available

Postpartum HPV Vaccination

NCT03451071
View directory record Official record
Conditions
HPV-Related Malignancy
Interventions
Gardasil9
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 26 Years · Female only
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Oct 21, 2026, 4:09 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Evaluating Gardasil HPV Vaccine Humoral and Cellular Immune Responses in People With and Without HIV

NCT06624839
View directory record Official record
Conditions
Human Papilloma Virus, Anal Dysplasia, HIV
Interventions
Human papillomavirus (HPV) vaccine, 9-valent
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 4:09 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 21, 2026, 4:09 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

An Exploratory Open-Label Clinical Trial Evaluating the Immunogenicity of the 9-valent 2-dose HPV Vaccination Regimen

NCT04206813
View directory record Official record
Conditions
HPV Infection
Interventions
Gardasil 9 2 dose regimen, Gardasil 9 3 dose regimen, Gardasil 9 rescue dose
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Intralesional HPV Vaccine for Condylomata

NCT05087849
View directory record Official record
Conditions
Human Papilloma Virus, Warts, Warts, Genital, Condyloma, Condylomata Acuminata
Interventions
nonavalent human papillomavirus vaccine
Biological
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 21, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of an Adjuvanted Human Papillomavirus Vaccine When Given to Healthy Women 16 to 26 Years of Age

NCT05496231
View directory record Official record
Conditions
Cervical Intraepithelial Neoplasia
Interventions
HPV9 High formulation, HPV9 Medium formulation, HPV9 Low formulation, Gardasil 9
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years to 26 Years · Female only
Enrollment
1,080 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
39
States / cities
San Diego, California • Wheat Ridge, Colorado • Coral Gables, Florida + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 21, 2026, 4:09 AM EDT