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Showing 1–24 of 875 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160

NCT00000745
View directory record Official record
Conditions
HIV Infections
Interventions
Hepatitis B Vaccine (Recombinant), gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1991
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of Varying Injection Schedules of TDENV-PIV Vaccine With AS03B Adjuvant and Placebo in Healthy US Adults

NCT02421367
View directory record Official record
Conditions
Dengue
Interventions
TDENV-PIV with AS03B adjuvant. Placebo: 0.9% Sodium Chloride Solution.
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
20 Years to 49 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Baltimore, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluating the Safety and Immunogenicity of HIV Clade C DNA Vaccine and MF59- or AS01B-Adjuvanted Clade C Env Protein Vaccines in Various Combinations in Healthy, HIV-Uninfected Adults

NCT02915016
View directory record Official record
Conditions
HIV Infections
Interventions
DNA-HIV-PT123 vaccine, Bivalent Subtype C gp120/MF59 vaccine, Bivalent Subtype C gp120/AS01B vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
334 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
8
States / cities
Birmingham, Alabama • Boston, Massachusetts • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced Sep 4, 2026, 11:54 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 4, 2026 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Protective Efficacy of a Single Dose of a Trivalent Live Attenuated Dengue Vaccine to Protect Against Infection With DENV-2

NCT02433652
View directory record Official record
Conditions
Dengue
Interventions
Recombinant live attenuated trivalent dengue vaccine, Placebo, rDEN2Δ30-7169 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2015
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Sep 4, 2026, 11:54 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of HIV-1 and Aging on Mucosal Vaccine Responses

NCT03729778
View directory record Official record
Conditions
HIV-1-infection, Human Immunodeficiency Virus, HIV/AIDS, HIV Infections
Interventions
Prevnar-13
Biological
Lead sponsor
VA Eastern Colorado Health Care System
Federal
Eligibility
21 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional

PENNVAX-B With or Without IL-12 or IL-15 as a DNA Vaccine for HIV Infection

NCT00775424
View directory record Official record
Conditions
HIV Infection
Interventions
PENNVAX-B, GENEVAX IL-12-4532, PLACEBO, IL-15 adjuvant
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 4, 2026, 11:54 AM EDT
Terminated Phase 3 Interventional Results available

Janssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant Recipients

NCT05220397
View directory record Official record
Conditions
Kidney Transplant Recipient
Interventions
Janssen Ad26.CoV2.S Vaccine, Reduction in Immunosuppression Medication, Maintenance in Immunosuppression Medication
Biological · Other
Lead sponsor
Mark Stegall
Other
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Safety and Immunogenicity Trial of the Facilitated HIV-1 Gag-Pol DNA Vaccine (APL-400-047, Apollon, Inc.) Given Intramuscularly by Needle and Syringe or Biojector 2000 Needle-Free Jet Injection System in HIV-1 Uninfected Adult Volunteers

NCT00001088
View directory record Official record
Conditions
HIV Infections
Interventions
APL 400-047, Bupivacaine hydrochloride
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2001
U.S. locations
4
States / cities
Birmingham, Alabama • Rochester, New York • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2008 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Antigenic Competition in HIV Preventive Vaccines

NCT01159990
View directory record Official record
Conditions
HIV Infections
Interventions
rAd5 Gag-Pol Env A/B/C, rAd5 Gag-Pol
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Sep 4, 2026, 11:54 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Safety and Immunogenicity of rVSV∆G-LASV-GPC Vaccine in Adults in Good General Heath

NCT04794218
View directory record Official record
Conditions
Lassa Fever, Lassa Virus Infection
Interventions
rVSV∆G-LASV-GPC, Placebo/Diluent
Drug · Other
Lead sponsor
International AIDS Vaccine Initiative
Network
Eligibility
18 Years to 51 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Honolulu, Hawaii • Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Sep 4, 2026, 11:54 AM EDT
Terminated Phase 1 Interventional

Study Evaluating Vaccine in Adults With HIV

NCT00195312
View directory record Official record
Conditions
HIV Infections
Interventions
HIV-1 gag DNA (formulated with bupivacaine), IL-15 DNA (formulated with bupivacaine), IL-12 DNA (formulated with bupivacaine), Sodium chloride injection USP (0.9%)
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
6
States / cities
Birmingham, Alabama • Denver, Colorado • Orlando, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2007 · Synced Sep 4, 2026, 11:54 AM EDT
Completed No phase listed Observational

COVID-19 Antibody Levels After Vaccines

NCT04944134
View directory record Official record
Conditions
Vaccine Preventable Disease
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
71 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines

NCT04889209
View directory record Official record
Conditions
COVID-19
Interventions
Ad26.COV2.S, BNT162b2, mRNA-1273, mRNA-1273.211, mRNA-1273.222, SARS-CoV-2 rS/M1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
867 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
10
States / cities
Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Pediatric COVID-19 Vaccine Uptake Using an mHealth Tool

NCT05386355
View directory record Official record
Conditions
COVID-19 Vaccines, Telemedicine, Vaccine Hesitancy, Pediatric ALL
Interventions
COVID-19 Vaccine Uptake App, General Health App
Behavioral · Other
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
18 Years and older
Enrollment
1,934 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
15
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Results available

A Study of ELI-002 in Subjects With KRAS Mutated Pancreatic Ductal Adenocarcinoma (PDAC) and Other Solid Tumors

NCT04853017
View directory record Official record
Conditions
Minimal Residual Disease, KRAS G12D, KRAS G12R, NRAS G12D, NRAS G12R, Pancreatic Ductal Adenocarcinoma, Colorectal Cancer, Non-small Cell Lung Cancer, Ovarian Cancer, Cholangiocarcinoma, Bile Duct Cancer, Gallbladder Carcinoma
Interventions
ELI-002 2P
Drug
Lead sponsor
Elicio Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Duarte, California • Los Angeles, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Safety and Immunogenicity Trial of UBI HIV Lipopeptide Vaccine Component P3C541b in HIV-1 Seronegative Human Subjects

NCT00000845
View directory record Official record
Conditions
HIV Infections
Interventions
P3C541b Lipopeptide
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
3
States / cities
Baltimore, Maryland • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of the Shingles Vaccine and the Influenza Vaccine When Either is Given to Healthy Adults at the Same Time or Following a COVID-19 Booster Vaccine

NCT05047770
View directory record Official record
Conditions
Herpes Zoster
Interventions
HZ/su, Flu D-QIV, mRNA-1273
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
46
States / cities
Tempe, Arizona • Oxnard, California • San Diego, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 4, 2026, 11:54 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

A Safety, Reactogenicity and Immunogenicity Trial of RVX-sCPD9 Booster Intranasal COVID-19 Vaccine

NCT07703475
View directory record Official record
Conditions
COVID -19
Interventions
RVX-sCPD9
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
4
States / cities
New York, New York • Durham, North Carolina • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety, Tolerability, and Immunogenicity of Hantaan and Puumala Virus DNA Vaccines

NCT01502345
View directory record Official record
Conditions
Hemorrhagic Fever With Renal Syndrome
Interventions
Vaccine/device combination for prevention of HFRS
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 49 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 30, 2013 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1 Interventional

A Phase I/II Study of Delayed-Type Hypersensitivity (DTH) Reactions to Intradermal HIV Envelope Antigen

NCT00000782
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (Immuno-AG), gp160 Vaccine (MicroGeneSys)
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 1996
U.S. locations
4
States / cities
Palo Alto, California • San Jose, California • San Mateo, California + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

CSL H1N1 Influenza Vaccine Administered at Two Dose Levels in Adult and Elderly Populations

NCT00943488
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Iowa City, Iowa • Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 2 Interventional Results available

Safety of and Immune Response to the Human Papillomavirus (HPV) Vaccine in HIV-Infected Women

NCT00604175
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Quadrivalent HPV vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years to 45 Years · Female only
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
56
States / cities
Birmingham, Alabama • Alhambra, California • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 4, 2026, 11:54 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Clinical Study of TUTI-16 in Asymptomatic HIV-1 Infected Subjects

NCT00848211
View directory record Official record
Conditions
HIV Infections
Interventions
Placebo, TUTI-16 (0.03mg), TUTI-16 (0.1mg), TUTI-16 (0.6mg)
Other · Biological
Lead sponsor
Thymon, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2011 · Synced Sep 4, 2026, 11:54 AM EDT