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ClinicalTrials.gov public records Last synced May 21, 2026, 8:04 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 255 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Syncytial Virus Infections Clear all
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
MEDI-557
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Nov 22, 2011 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Influenza, Human, COVID-19, Influenza A, Influenza B, Respiratory Syncytial Virus (RSV)
Interventions
Not listed
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
18,157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2024 · Synced May 21, 2026, 8:04 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
RSV Immunisation
Interventions
RSVt Vaccine, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 21 Months
Enrollment
6,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
50
States / cities
Birmingham, Alabama • Guntersville, Alabama • Tucson, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Drug Safety
Interventions
MDT-637
Drug
Lead sponsor
MicroDose Therapeutx, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2012 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
28 Days to 36 Months
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
16
States / cities
Long Beach, California • Los Angeles, California • Sacramento, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Respiratory Syncytial Virus Immunization
Interventions
RSV vaccine candiate formulation 1, RSV vaccine candidate formulation 2, Placebo
Biological · Other
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
865 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
25
States / cities
Huntsville, Alabama • Mesa, Arizona • Peoria, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced May 21, 2026, 8:04 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
S-337395, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
33
States / cities
Los Angeles, California • Toluca Lake, California • Coral Gables, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
EDP-938, Placebo
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Birmingham, Alabama • Pelham, Alabama • Anaheim, California + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced May 21, 2026, 8:04 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV LID cp ΔM2-2 Vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 24 Months
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
5
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
VXA-RSV-f Tablets (high dose), VXA Placebo Tablets, VXA-RSV-f Tablets (low dose)
Biological · Other
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced May 21, 2026, 8:04 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Respiratory Syncytial Virus Infections, Pneumonia, Acute Lung Injury
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
1 Hour and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 6, 2008 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus Infection
Interventions
RSV vaccine formulation 1, RSV vaccine formulation 2, Placebo
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 18 Months
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
25
States / cities
Gardena, California • La Mesa, California • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Infection
Interventions
ribavirin
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
2 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2010 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV LID ΔM2-2 1030s vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 24 Months
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Laurel, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 12, 2018 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus Infection
Interventions
Presatovir, Presatovir placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
9
States / cities
Chicago, Illinois • Annapolis, Maryland • Detroit, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2018 · Synced May 21, 2026, 8:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Respiratory Infections, Acute, Respiratory Syncytial Virus
Interventions
RSV challenge material
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
21 Years to 40 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Cyclosporine, Prednisone
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced May 21, 2026, 8:04 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
Not listed
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
65 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2009 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
RSV Infection
Interventions
RSV LID/ΔM2-2/1030s, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 24 Months
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
3
States / cities
Baltimore, Maryland • Rochester, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Bone Marrow Transplant Infection, Infection in Marrow Transplant Recipients, Respiratory Syncytial Virus Infections, Respiratory Syncytial Virus Pneumonia, Cancer, Acute Leukemia
Interventions
Ribavirin
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2021 · Synced May 21, 2026, 8:04 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Respiratory Syncytial Viruses
Interventions
ABRYSVO Vaccination
Biological
Lead sponsor
Pfizer
Industry
Eligibility
0 Months to 6 Months
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced May 21, 2026, 8:04 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
mRNA-1345
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
32
States / cities
Glendale, Arizona • Phoenix, Arizona • Tempe, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced May 21, 2026, 8:04 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV MAT, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 49 Years · Female only
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
16
States / cities
Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced May 21, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
motavizumab (MEDI-524), palivizumab
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
Up to 24 Months
Enrollment
6,635 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
120
States / cities
Birmingham, Alabama • Pike Road, Alabama • Phoenix, Arizona + 98 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced May 21, 2026, 8:04 PM EDT