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ClinicalTrials.gov public records Last synced Oct 6, 2026, 4:34 PM EDT

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Showing 73–96 of 136 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Hepatitis A Vaccine Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Comparing 13-valent Pneumococcal Conjugate Vaccine With 7-valent Pneumococcal Conjugate Vaccine

NCT00373958
View directory record Official record
Conditions
Vaccines, Pneumococcal
Interventions
13 valent pneumococcal conjugate vaccine, 7vPnc pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
37
States / cities
Fayetteville, Arkansas • Jonesboro, Arkansas • Little Rock, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2013 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional

Examining Adolescent Assessment, Feedback, Incentive, and Exchange (AFIX) in North Carolina

NCT01544764
View directory record Official record
Conditions
Adolescent Health Services, Immunization
Interventions
Assessment , Feedback, Incentives, and eXchange Program
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Oct 6, 2026, 4:34 PM EDT
Completed No phase listed Observational

Effectiveness of the Hepatitis B Vaccine Post-Hematopoietic Stem Cell Transplant

NCT03511794
View directory record Official record
Conditions
Hepatitis B
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
4 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 1 Interventional

Determining Responses to Two Different Vaccines in HIV and HCV Infected Individuals

NCT00393276
View directory record Official record
Conditions
HIV Infections, Hepatitis C
Interventions
Twinrix, Decavac
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
11
States / cities
San Diego, California • San Francisco, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 6, 2026, 4:34 PM EDT
Completed No phase listed Observational

Qualitative, Qualitative, and Functional Studies Over the First Year in Measuring Immune System Response During the First Year of Therapy in Patients With Brain Tumors

NCT02747407
View directory record Official record
Conditions
Astrocytoma, Glioma, Oligodendroglioma
Interventions
Hepatitis A Vaccine, Laboratory Biomarker Analysis, Tetanus Toxoid Vaccine, Trivalent Influenza Vaccine
Biological · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 6, 2026, 4:34 PM EDT
Recruiting Phase 4 Interventional

Comparison Between 2-dose Versus 3-dose Regimens of Heplisav B in Cirrhosis

NCT04588077
View directory record Official record
Conditions
Hepatitis B, Cirrhosis, Liver, Chronic Liver Disease
Interventions
Heplisav-B Injectable Product, 2-dose regimen, Heplisav-B Injectable Product, 3-dose regimen
Biological
Lead sponsor
Mercy Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 1 Interventional

Safety and Efficacy of a Hepatitis B Vaccine in Immunosuppressed Patients

NCT04199715
View directory record Official record
Conditions
Hepatitis B
Interventions
Heplisav-B
Biological
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 6, 2026, 4:34 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Longitudinal Tracking of Bone Marrow Plasma Cell Responses to Licensed Human Vaccines

NCT07493460
View directory record Official record
Conditions
Immunology, Healthy Adults
Interventions
trivalent inactivated influenza vaccine (TIV), nonavalent HPV vaccine (HPV), hepatitis A (HAV) vaccines, tetanus, diphtheria and acellular pertussis vaccine (Tdap)
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of Various Potencies of an Investigational Chickenpox Vaccine Compared With a Marketed Chickenpox Vaccine, Given to Healthy Children 12 to 15 Months of Age

NCT05084508
View directory record Official record
Conditions
Chickenpox
Interventions
Investigational varicella vaccine low potency, Investigational varicella vaccine medium potency, Investigational varicella vaccine high potency, Licensed varicella vaccine Lot 1, Licensed varicella vaccine Lot 2, Measles, mumps, and rubella vaccine, Hepatitis A vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 15 Months
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
41
States / cities
Bryant, Arkansas • Jonesboro, Arkansas • Little Rock, Arkansas + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2025 · Synced Oct 6, 2026, 4:34 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy Children, 12 to 15 Months of Age

NCT06693895
View directory record Official record
Conditions
Chickenpox
Interventions
Investigational varicella vaccine, Marketed varicella vaccine, Measles, mumps, and rubella vaccine, Hepatitis A vaccine, PCV (pneumococcal conjugate vaccine) 13, PCV 20, Vaxneuvance
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 15 Months
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
22
States / cities
Phoenix, Arizona • Tucson, Arizona • Huntington Park, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional Results available

A Randomized Trial of Vaccine Adherence in Young Injection Drug Users

NCT00244374
View directory record Official record
Conditions
Medication Adherence, Substance Abuse, Intravenous, Risk Behavior, Hepatitis A, Hepatitis B, Hepatitis C
Interventions
Hepatitis A & B vaccine, Outreach, AIC, SEP
Biological · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 29 Years
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2013 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional

A Study to Compare the Effectiveness of a Four Drug Anti-HIV Regimen Given Alone or in Combination With GM-CSF or IL-12 to HIV-Positive Patients

NCT00000896
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Lamivudine/Zidovudine, Hepatitis A Vaccine (Inactivated), Interleukin-12, Nevirapine, Stavudine, Sargramostim
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
3
States / cities
San Diego, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study: Gene Expression Profiling of Immune Response to HBV Vaccination in Healthy Volunteers

NCT02055365
View directory record Official record
Conditions
Hepatitis B
Interventions
Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 6, 2026, 4:34 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Co-administration Study of an Investigational Live-Attenuated Respiratory Syncytial Virus Vaccine in Infants and Toddlers

NCT06397768
View directory record Official record
Conditions
RSV Immunization
Interventions
RSVt vaccine, Diphtheria, tetanus, pertussis, poliomyelitis , Haemophilus influenzae type b, and hepatitis B vaccine, Diphtheria, tetanus, pertussis, Haemophilus influenzae type b and poliomyelitis vaccine, Hepatitis B vaccine, Streptococcus pneumoniae vaccine, Rotavirus vaccine, Measles, mumps, and rubella vaccine, Varicella virus vaccine, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 12 Months
Enrollment
2,226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
66
States / cities
Birmingham, Alabama • Grand Bay, Alabama • Mobile, Alabama + 55 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants

NCT00474526
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2014 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 2 Interventional Results available

Investigation of the Enhancement of Response to Hepatitis B Vaccine by Lenalidomide in Plasma Cell Dyscrasias

NCT02041325
View directory record Official record
Conditions
Plasma Cell Disorder
Interventions
Lenalidomide, Placebo
Drug
Lead sponsor
Boston VA Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Chiron Corp HCV E1/E2 Vaccine

NCT00500747
View directory record Official record
Conditions
Hepatitis C
Interventions
HCV E1E2/MF59, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 10, 2011 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional

A Study on the Rate of Opportunistic (AIDS-Related) Infections Among HIV-Positive Children Who Have Stopped Taking Their OI Preventive Medications

NCT00001078
View directory record Official record
Conditions
HIV Infections
Interventions
Hepatitis A Vaccine (Inactivated)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 21 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
47
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2011 · Synced Oct 6, 2026, 4:34 PM EDT
Not listed Phase 4 Interventional

Adolescents' Response to Hepatitis B Vaccine Booster Dose

NCT01341275
View directory record Official record
Conditions
Hepatitis B
Interventions
hepatitis B vaccine
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
16 Years to 19 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 25, 2011 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety Study of Hepatitis E Vaccine (HEV239)

NCT03827395
View directory record Official record
Conditions
Hepatitis E, Immunisation
Interventions
HEV 239, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 2 Interventional Results available

Prospective Trial of Vaccine Responses in Childhood Cancer Survivors

NCT00505063
View directory record Official record
Conditions
Childhood Cancer, Multiple Diseases
Interventions
Immunization Schedule patients <7 years., Immunization Schedule patients > or = to 7 years and <11 years of age, Immunization Schedule patients > or = to 11 years of age
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
2 Years to 18 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HepB-CpG Series for Healthcare Workers Who Are Hepatitis B Vaccine Nonresponders

NCT04456504
View directory record Official record
Conditions
Healthcare Worker, Hepatitis B Vaccine, Nonresponder
Interventions
Recombinant hepatitis B vaccine with CpG adjuvant
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 6, 2026, 4:34 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

DV2-HBV-27: Observational Pregnancy Registry

NCT03664648
View directory record Official record
Conditions
Pregnant
Interventions
HEPLISAV-B
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 6, 2026, 4:34 PM EDT
Completed Not applicable Interventional

A Study to Test If Giving Remune (an HIV Vaccine) Can Improve the Immune Systems of HIV-Positive Patients Who Are Also Participating in ACTG 328

NCT00000943
View directory record Official record
Conditions
HIV Infections
Interventions
Tetanus Toxoid Vaccine, Hepatitis A Vaccine (Inactivated), HIV-1 Immunogen, Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
2
States / cities
Iowa City, Iowa • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 6, 2026, 4:34 PM EDT