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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Gardasil9 Clear all
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 2, 2025 · Synced Sep 2, 2026, 10:56 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 Jun 30, 2026 · Synced Sep 2, 2026, 10:56 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 19, 2026 · Synced Sep 2, 2026, 10:56 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 26, 2021 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HPV Vaccination Study in Postpartum Women

NCT04274153
View directory record Official record
Conditions
HPV, Immunization, Human Papilloma Virus
Interventions
Gardasil9
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 2, 2026, 10:56 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 1, 2025 · Synced Sep 2, 2026, 10:56 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 3, 2021 · Synced Sep 2, 2026, 10:56 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 Aug 16, 2026 · Synced Sep 2, 2026, 10:56 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 28, 2026 · Synced Sep 2, 2026, 10:56 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 17, 2025 · Synced Sep 2, 2026, 10:56 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 4, 2026 · Synced Sep 2, 2026, 10:56 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 9, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting Phase 4 Interventional

Gardasil 9 Vaccine in Preventing HPV Infection in Patients With Hematologic Malignancies Undergoing Donor Stem Cell Transplant

NCT03023631
View directory record Official record
Conditions
Allogeneic Hematopoietic Stem Cell Transplant Recipient, Hematopoietic and Lymphoid Cell Neoplasm
Interventions
Recombinant Human Papillomavirus Nonavalent Vaccine
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 2, 2026, 10:56 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 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Sep 2, 2026, 10:56 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

GARDASIL 9: 3 Dose vs. 2 Dose With Delayed 3rd Dose

NCT03943875
View directory record Official record
Conditions
Immunization, Efficacy, Human Papilloma Virus
Interventions
9-valent HPV vaccine, 2 dose efficacy, 9-valent HPV vaccine, 3 doses standard timing
Biological
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
15 Years to 26 Years
Enrollment
767 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 2, 2026, 10:56 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 19, 2026 · Synced Sep 2, 2026, 10:56 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 30, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Terminated Phase 4 Interventional Results available

HPV Vaccine Therapy in Interrupting Progression in Patients With High-Grade Vulvar or Anal Lesions

NCT03051516
View directory record Official record
Conditions
High Grade Anal Canal Intraepithelial Neoplasia, High Grade Vulvar Squamous Intraepithelial Lesion
Interventions
Laboratory Biomarker Analysis, Placebo Administration, Questionnaire Administration, Recombinant Human Papillomavirus Nonavalent Vaccine
Other · Biological
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
27 Years to 69 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Birmingham, Alabama • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 2, 2026, 10:56 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 4, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
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
4
States / cities
Birmingham, Alabama • Baltimore, Maryland • Staten Island, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 2, 2026, 10:56 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 Apr 30, 2026 · Synced Sep 2, 2026, 10:56 AM EDT
Recruiting Phase 2Phase 3 Interventional

Human Papillomavirus (HPV) Vaccination vs. Placebo for the Treatment of Refractory Cutaneous Warts

NCT05625633
View directory record Official record
Conditions
Warts
Interventions
Human Papillomavirus 9-valent Vaccine, Recombinant, Normal Saline
Biological · Other
Lead sponsor
Western Institute for Veterans Research
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Sep 2, 2026, 10:56 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Occupational Exposure to Human Papilloma Virus (HPV) and Prophylactic Vaccination

NCT03350698
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Gardasil-9
Biological
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
27 Years to 69 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 2, 2026, 10:56 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Preventive Human Papillomavirus (HPV) Vaccine Trial in Kidney Transplant Recipients

NCT03036930
View directory record Official record
Conditions
Human Papillomavirus Infection, Human Papillomavirus-Related Carcinoma
Interventions
Biospecimen Collection, HPV Self-Collection, Questionnaire Administration, Recombinant Human Papillomavirus Nonavalent Vaccine
Procedure · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 49 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 2, 2026, 10:56 AM EDT