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Showing 1–24 of 142 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hemorrhagic Fever Clear all
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 5, 2026, 5:24 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 5, 2026, 5:24 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 5, 2026, 5:24 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Pharmacokinetics of UV-4B Solution Administered Orally as Multiple Ascending Doses to Healthy Subjects

NCT02696291
View directory record Official record
Conditions
Viral Infection
Interventions
UV-4B 30 mg oral solution, UV-4B 75 mg oral solution, UV-4B 150 mg oral solution, UV-4B X mg (dose to be determined) oral solution, UV-4B Y mg (dose to be determined) oral solution, Placebo
Drug
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 45 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Dallas, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of a Dengue-1-Virus-Live Virus Human Challenge - (DENV-1-LVHC) Virus Strain

NCT02372175
View directory record Official record
Conditions
Dengue
Interventions
Dengue-1 Virus-Live Virus Human Challenge (DENV-1-LVHC)
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Sep 5, 2026, 5:24 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 5, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety and Efficacy of AV-1 Against Dengue Virus 3 (DENV-3) Infection

NCT06799741
View directory record Official record
Conditions
DENV-3 Controlled Human Infection Model
Interventions
AV-1 100 mg, AV-1 300 mg, AV-1 900 mg, Placebo
Drug
Lead sponsor
AbViro LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Various Formulations of Live Attenuated Tetravalent Dengue Vaccine in Healthy US Adults

NCT00350337
View directory record Official record
Conditions
Dengue
Interventions
Pre-transfection F17, Post-transfection F17, Post-transfection F19, Placebo
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety and Immunogenicity of rDEN3Δ30, a Live Attenuated Monovalent Dengue Virus Vaccine

NCT02684383
View directory record Official record
Conditions
Dengue
Interventions
rDEN3∆30, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2016
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Sep 5, 2026, 5:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of T Cell Responses Following Yellow Fever Virus Vaccination in Healthy Adults

NCT00616356
View directory record Official record
Conditions
Yellow Fever
Interventions
Not listed
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 7, 2011 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of 2-dose Vaccine Regimen Using 3 Consecutive Lots of Ad26.ZEBOV and MVA-BN-Filo in Adult Participants

NCT04228783
View directory record Official record
Conditions
Ebola
Interventions
Ad26.ZEBOV, MVA-BN-Filo, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years to 50 Years
Enrollment
974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
7
States / cities
Mobile, Alabama • Tempe, Arizona • Lexington, Kentucky + 4 more
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Clinical and Immune Response to Two Dengue Virus Vaccines in Healthy Adults

NCT02392325
View directory record Official record
Conditions
Dengue
Interventions
rDEN1Δ30, Placebo, rDEN2Δ30-7169
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of a Dengue Virus DNA Vaccine

NCT00290147
View directory record Official record
Conditions
Dengue
Interventions
D1ME100 (dengue-1 premembrane/envelope DNA vaccine)
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-ranging Study of an Investigational Yellow Fever Candidate Vaccine in Adults

NCT04142086
View directory record Official record
Conditions
Yellow Fever (Healthy Volunteers)
Interventions
Yellow fever vaccine (produced on serum-free Vero cells), Dosage 1 vYF vaccine, Yellow fever vaccine (produced on serum-free Vero cells), Dosage 2 vYF vaccine, Yellow fever vaccine (produced on serum-free Vero cells), Dosage 3 vYF vaccine, Yellow fever vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 60 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 5, 2026, 5:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Procleix® Dengue Virus Assay Testing of Individual Donor Samples From Puerto Rican Blood Donors - American Red Cross

NCT01656174
View directory record Official record
Conditions
Dengue
Interventions
Procleix Dengue Virus Assay
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
Not listed
Enrollment
35,035 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
2
States / cities
Tempe, Arizona • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Sep 5, 2026, 5:24 AM EDT
Suspended Phase 2 Interventional

ARN-75039 Lassa Fever Treatment in West Africa

NCT07419373
View directory record Official record
Conditions
Lassa Fever
Interventions
ARN-75039 high, Intravenous ribavirin, ARN-75039 low
Drug
Lead sponsor
Arisan Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Homologous Re-infection With Dengue 1 or Dengue 3

NCT05967455
View directory record Official record
Conditions
Dengue
Interventions
Dengue virus 1 Live Virus Human Challenge (DENV-1-LVHC), Dengue virus 3 Live Virus Human Challenge (DENV-3-LVHC)
Biological
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

cAd3-Marburg Vaccine in Healthy Adults

NCT03475056
View directory record Official record
Conditions
Marburg Virus Disease
Interventions
cAd3-Marburg vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Evaluate the Safety, Reactogenicity, and Immunogenicity of MVA-BN Yellow Fever Vaccine With and Without Montanide ISA-720 Adjuvant in 18-45 Year Old Healthy Volunteers

NCT02743455
View directory record Official record
Conditions
Yellow Fever, Yellow Fever Immunisation
Interventions
ISA-720, MVA Smallpox Vaccine, MVA-BN Yellow Fever Vaccine, Placebo, YF Vax 17D Strain
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Iowa City, Iowa • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 5, 2026, 5:24 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Immunology of Ebola Vaccine

NCT06100913
View directory record Official record
Conditions
Ebola Virus Disease
Interventions
Recombinant Vesicular Stomatitis Vaccine for Ebola (rVSV∆G-ZEBOV-GP), Deuterium Labeled Water
Biological · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Decatur, Georgia • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 5, 2026, 5:24 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

A Trial to Evaluate Safety, Tolerability, and Immune Responses of an Investigational Monovalent Chimpanzee Adenoviral Vectored Marburg Virus Vaccine in Healthy Adults

NCT06620003
View directory record Official record
Conditions
Marburg Virus Disease
Interventions
cAd3-Marburg Vaccine, Placebo
Biological
Lead sponsor
Albert B. Sabin Vaccine Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
7
States / cities
Huntsville, Alabama • Phoenix, Arizona • Melbourne, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 5, 2026, 5:24 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study of AT-752 in Healthy Subjects in a Dengue Human Challenge Model

NCT05366439
View directory record Official record
Conditions
Dengue
Interventions
AT-752, Placebo Comparator
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trial to Evaluate Safety and Immunogenicity of an Ebola Zaire Vaccine in Healthy Adults

NCT02718469
View directory record Official record
Conditions
Ebola Virus Disease
Interventions
Ebola Vaccine - low dose, Ebola Vaccine - mid dose, Ebola Vaccine - high dose, Placebo
Biological
Lead sponsor
Auro Vaccines LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 5, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to Two Different Dengue Virus Vaccines in Individuals Previously Immunized Against Dengue Virus

NCT00458120
View directory record Official record
Conditions
Dengue Hemorrhagic Fever
Interventions
rDEN1delta30, rDEN2/4delta30(ME), Placebo to rDEN1delta30 or rDEN2/4delta30(ME)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 13, 2010 · Synced Sep 5, 2026, 5:24 AM EDT