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ClinicalTrials.gov public records Last synced Oct 2, 2026, 7:02 AM EDT

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Showing 97–120 of 984 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Vaccine placebo Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn How Safe, Tolerable and Capable of Producing an Immune Response is, a Modified RNA Vaccine Against Pandemic Influenza

NCT06179446
View directory record Official record
Conditions
Grippe, Influenza, Vaccines
Interventions
pdmFlu vaccine, Placebo, Licensed influenza vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 84 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Hollywood, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Describe the Safety and Immunogenicity of a RSV Vaccine in Healthy Adults

NCT03529773
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
Formulation A, Formulation B, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
40
States / cities
Mobile, Alabama • Anaheim, California • La Mesa, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Norovirus GI.1/GII.4 Bivalent Virus-Like Particle Vaccine in an Elderly Population

NCT02661490
View directory record Official record
Conditions
Norovirus
Interventions
Norovirus GI.1/GII.4 Bivalent VLP Vaccine, 0.9% sodium chloride (saline)
Biological · Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Fountain Hills, Arizona • Littleton, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Oct 2, 2026, 7:02 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1468 in Healthy Adults ≥50 Years of Age

NCT05701800
View directory record Official record
Conditions
Herpes Zoster
Interventions
mRNA-1468, Placebo, Shingrix
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
659 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
19
States / cities
Los Angeles, California • Longmont, Colorado • Lakeland, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Results available

Clinical Trial for Parkinson's Disease Using Allogeneic HB-adMSCs (Early and Moderate PD)

NCT04995081
View directory record Official record
Conditions
Parkinson Disease
Interventions
Biological/Vaccine: Allogeneic HB-adMSCs, Placebo
Biological · Other
Lead sponsor
Hope Biosciences Research Foundation
Industry
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety and Immunogenicity Study of Intranasal Sendai Virus Vectored Respiratory Syncytial Virus (SeVRSV) Vaccine in Healthy Adults

NCT03473002
View directory record Official record
Conditions
Antiviral Prophylaxis, Respiratory Syncytial Virus Infection
Interventions
Placebo, SeVRSV Vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

TY800 Dose Escalation (Typhoid)

NCT00269295
View directory record Official record
Conditions
Typhoid and Paratyphoid Fevers
Interventions
Ty800, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 10, 2011 · Synced Oct 2, 2026, 7:02 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Influenza Challenge in Mood Disorders

NCT02415166
View directory record Official record
Conditions
MAJOR DEPRESSIVE DISORDER
Interventions
INFLUENZA VACCINE, NaCl-saline placebo
Biological · Other
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of the Sing2016 M2SR H3N2 Monovalent Influenza Vaccine in Adults Ages 50 to 85 Years Old

NCT04785794
View directory record Official record
Conditions
Influenza Vaccine
Interventions
Sing2016 M2SR H3N2 influenza vaccine, Placebo
Biological · Other
Lead sponsor
FluGen Inc
Industry
Eligibility
50 Years to 85 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
3
States / cities
Anaheim, California • DeLand, Florida • Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Body and Social Behavior

NCT05654441
View directory record Official record
Conditions
Psychology, Social, Inflammation, Defeat, Social, Interaction, Social
Interventions
Influenza vaccine, Placebo
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Results available

PROSTVAC (PSA-TRICOM) in Preventing Disease Progression in Patients With Localized Prostate Cancer Undergoing Active Surveillance

NCT02326805
View directory record Official record
Conditions
Stage I Prostate Adenocarcinoma AJCC v7, Stage II Prostate Adenocarcinoma AJCC v7
Interventions
Laboratory Biomarker Analysis, Placebo Administration, Rilimogene Galvacirepvec
Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Male only
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
7
States / cities
Los Angeles, California • Newport Beach, California • Orange, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 3 Interventional

A Second Study of NicVAX/Placebo as an Aid for Smoking Cessation

NCT01102114
View directory record Official record
Conditions
Smoking Cessation
Interventions
NicVAX Vaccine, Placebo Vaccine
Biological
Lead sponsor
Nabi Biopharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
25
States / cities
Encino, California • Los Alamitos, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated May 9, 2012 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Respiratory Syncytial Virus (RSV) Investigational Vaccine in Infants Aged 6 and 7 Months Likely to be Unexposed to RSV

NCT03636906
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV (GSK3389245A) lower dose formulation vaccine, RSV (GSK3389245A) higher dose formulation vaccine, GSK's multicomponent meningococcal B vaccine, Pfizer's meningococcal group A, C, W-135 and Y conjugate vaccine, GSK's pneumococcal polysaccharide conjugate vaccine, GSK's meningococcal group A, C, W-135 and Y conjugate vaccine, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 7 Months
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
4
States / cities
Atlanta, Georgia • Nampa, Idaho • Louisville, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional

Dendritic Cell Vaccine for Patients With Brain Tumors

NCT01204684
View directory record Official record
Conditions
Glioma, Anaplastic Astrocytoma, Anaplastic Astro-oligodendroglioma, Glioblastoma
Interventions
autologous tumor lysate-pulsed DC vaccination, Tumor lysate-pulsed DC vaccination+0.2% resiquimod, Tumor-lysate pulsed DC vaccination +adjuvant polyICLC
Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Two Doses of Multimeric-001 (M-001) Followed by Influenza Vaccine

NCT03058692
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Multimeric-001 Vaccine, Placebo, Quadrivalent Recombinant Seasonal Influenza Vaccine
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
3
States / cities
Iowa City, Iowa • Cincinnati, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 2, 2026, 7:02 AM EDT
Not listed Phase 2 Interventional

Safety and Efficacy Study of TVGV-1 Vaccine to Treat HPV Induced Cervical HSIL

NCT02576561
View directory record Official record
Conditions
Human Papillomavirus, High-Grade Squamous Intraepithelial Lesions
Interventions
TVGV-1, GPI-0100, Placebo
Biological
Lead sponsor
THEVAX Genetics Vaccine
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
11
States / cities
Tucson, Arizona • Lakewood, Colorado • Port Orange, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 1 Interventional

Active Immunization of HIV-1 Infected, Pregnant Women With CD4 Lymphocyte Counts >= 400/mm3: A Phase I Study of Safety and Immunogenicity of MN rgp120/HIV-1 Vaccine (NOTE: Some Patients Receive Placebo)

NCT00001041
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
rgp120/HIV-1MN
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
16 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
6
States / cities
San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 2 Interventional Results available

Safety and Effectiveness of Live Zoster Vaccine in Anti-Tumor Necrosis Factor (TNF) Users (VERVE Trial)

NCT02538341
View directory record Official record
Conditions
Rheumatoid Arthritis, Inflammatory Arthritis, Arthritis, Psoriatic Arthritis, Psoriasis, Ankylosing Spondylitis, Enteropathic Arthritis, Crohn's Disease
Interventions
Herpes Zoster (HZ) Vaccine, Placebo
Biological · Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years and older
Enrollment
617 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
34
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tuscaloosa, Alabama + 27 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Do NSAIDS or Executing Exercise Decrease Local Erythema, Site Swelling & Pain After INoculation

NCT02807623
View directory record Official record
Conditions
Immune System and Related Disorders
Interventions
Ibuprofen, Compound Exercise of Push-ups, oral placebo
Drug · Behavioral
Lead sponsor
Womack Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Bethesda, Maryland • Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2020 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Immune Responses to Pneumococcal Vaccination Among HIV-infected Subjects

NCT00706550
View directory record Official record
Conditions
HIV Infections
Interventions
(PV) 23-valent pneumococcal polysaccharide vaccine, Placebo
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2014 · Synced Oct 2, 2026, 7:02 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of an Ad26.RSV. preF-based Vaccine in Adults Aged 18 to 59 Years, Including Adults at High Risk for Severe RSV Infection

NCT05070546
View directory record Official record
Conditions
Respiratory Syncytial Virus Infection Prevention
Interventions
Ad26.RSV.preF-based Vaccine, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years and older
Enrollment
1,124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
7
States / cities
Coral Gables, Florida • Miami, Florida • El Dorado, Kansas + 4 more
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 2, 2026, 7:02 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Assess the Safety and Immunogenicity of One or Two Doses of Sing2016 M2SR H3N2 Influenza Vaccine

NCT04960397
View directory record Official record
Conditions
H3N2 Influenza
Interventions
Placebo, Sing2016 M2SR H3N2
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Iowa City, Iowa • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 2, 2026, 7:02 AM EDT
Suspended Phase 1 Interventional

Safety and Immunogenicity of Stabilized CH505 TF chTrimer Vaccination in Adults Living With HIV-1 on Suppressive Antiretroviral Therapy

NCT06680479
View directory record Official record
Conditions
HIV-1
Interventions
CH505 TF chTrimer, 3M-052-AF, Aluminum Hydroxide Suspension, Sodium Chloride for Injection
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
24
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 2, 2026, 7:02 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety and Immunogenicity of an Oral HIV Vaccine in Healthy, HIV-uninfected Adults

NCT02771730
View directory record Official record
Conditions
Healthy Volunteer, HIV Vaccine
Interventions
Ad4-mgag, Ad4-EnvC150, Placebo Comparator, AIDSVAX B/E
Biological · Other
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 49 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 2, 2026, 7:02 AM EDT