Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 4, 2026, 10:00 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 26 matching trials from the live ClinicalTrials.gov search.
Conditions
Human Metapneumovirus Immunization, Respiratory Syncytial Virus Immunization
Interventions
Investigational hMPV/RSV vaccine, Investigational hMPV vaccine (monovalent), Investigational RSV vaccine (monovalent), Licensed RSV Vaccine, Placebo, Investigational RSV+hMPV vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
60 Years and older
Enrollment
1,530 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
24
States / cities
Phoenix, Arizona • Garden Grove, California • Gardena, California + 20 more
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Investigational RSV vaccine MV-012-968 (Dosage 1), Investigational RSV vaccine MV-012-968 (Dosage 2), Investigational RSV vaccine MV-012-968 (Dosage 3; single-dose), Investigational RSV vaccine MV-012-968 (Dosage 3; two-dose), Placebo (single-dose), Placebo (two-dose)
Biological · Other
Lead sponsor
Meissa Vaccines, Inc.
Industry
Eligibility
6 Months to 36 Months
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
12
States / cities
Phoenix, Arizona • La Mesa, California • Atlanta, Georgia + 9 more
Conditions
Respiratory Syncytial Virus Infections+Metapneumovirus
Interventions
RSV/hMPV_V low dose vaccine, RSV/hMPV_V medium dose vaccine, RSV/hMPV_V high dose vaccine, RSV/hMPV_W low dose vaccine, RSV/hMPV_W medium dose vaccine, RSV/hMPV_W high dose vaccine, RSV/hMPV_X low dose vaccine, RSV/hMPV_X medium dose vaccine, RSV/hMPV_X high dose vaccine, hMPV_Y low dose vaccine, hMPV_Y medium dose vaccine, hMPV_Y high dose vaccine, hMPV_Z low dose vaccine, hMPV_Z medium dose vaccine, hMPV_Z high dose vaccine, Control vaccine, Placebo
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,456 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
3
States / cities
Stockbridge, Georgia • Lenexa, Kansas • Seattle, Washington
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

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

NCT04491877
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
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 formulation 3, RSVPreF3 formulation 2, Boostrix-ex-US, Boostrix-US, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
4
States / cities
Miami, Florida • Lenexa, Kansas • Rochester, New York + 1 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV vaccine (GSK3003891A) formulation 1, RSV vaccine (GSK3003891A) formulation 2, RSV vaccine (GSK3003891A) formulation 3, Placebo (Formulation buffer S9b)
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
3
States / cities
Newton, Kansas • Syracuse, New York • Ellensburg, Washington
Conditions
Respiratory Syncytial Viruses, Respiratory Tract Infections
Interventions
Ad26.RSV.preF (1*10^11 vp), Ad26.RSV.preF (5*10^10 vp), Placebo
Biological · Drug
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
12 Months to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Newton, Kansas
Conditions
Respiratory Syncytial Virus Infections
Interventions
Placebo, RSVPreF3 OA vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
26,675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
60
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 54 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
770 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
9
States / cities
Waterbury, Connecticut • Brooksville, Florida • Immokalee, Florida + 6 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV vaccine GSK3003895A (formulation 1), RSV vaccine GSK3003898A (formulation 2), RSV vaccine GSK3003899A (formulation 3), Boostrix
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
7
States / cities
Mesa, Arizona • San Diego, California • Lenexa, Kansas + 4 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV (GSK3389245A) low dose formulation vaccine, RSV (GSK3389245A) middle dose formulation vaccine, RSV (GSK3389245A) high dose formulation vaccine, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 23 Months
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
6
States / cities
Anaheim, California • Aurora, Colorado • Topeka, Kansas + 3 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
Investigational RSV vaccine 1, Investigational RSV vaccine 2, Investigational RSV vaccine 3, Investigational RSV vaccine 4, Investigational RSV vaccine 5, Investigational RSV vaccine 6, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
5
States / cities
Rolling Hills Estates, California • Atlanta, Georgia • Lenexa, Kansas + 2 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
GSK3888550A RSV Maternal vaccine formulation 1, GSK3888550A RSV Maternal vaccine formulation 2, GSK3888550A RSV Maternal vaccine formulation 3, Placebo (Normal Saline)
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Lenexa, Kansas • Rochester, New York
Conditions
Covid19
Interventions
Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops, Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops, Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops, Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Two Doses, Intranasal Drops, Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Spray
Biological
Lead sponsor
Meissa Vaccines, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Lenexa, Kansas • Raleigh, North Carolina
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
1,720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
18
States / cities
Mobile, Alabama • Phoenix, Arizona • Riverside, California + 15 more
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
Conditions
Respiratory Syncytial Virus Infections
Interventions
Investigational RSV vaccine MV-012-968 (Dosage 1), Investigational RSV vaccine MV-012-968 (Dosage 2), Placebo, Investigational RSV vaccine MV-012-968 (Dosage 3)
Biological · Other
Lead sponsor
Meissa Vaccines, Inc.
Industry
Eligibility
15 Months to 59 Months
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Norfolk, Nebraska • Omaha, Nebraska • Cincinnati, Ohio
Conditions
Respiratory Syncytial Virus
Interventions
VRC-RSVRGP084-00-VP, Aluminum Hydroxide Suspension
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3(120 μg), Flu Quadrivalent influenza vaccine (15 μg HA), Placebo
Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
1,586 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
5
States / cities
West Palm Beach, Florida • Stockbridge, Georgia • Peoria, Illinois + 2 more
Conditions
Respiratory Syncytial Virus Infection, Healthy Volunteers, Metapneumovirus Infection
Interventions
RSV/hMPV mRNA LNP 1, RSV/hMPV mRNA LNP 2, RSV mRNA LNP 1, hMPV mRNA LNP 1
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
558 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
9
States / cities
Gardena, California • Hallandale, Florida • Meridian, Idaho + 6 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA Investigational Vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
10
States / cities
Phoenix, Arizona • Chicago, Illinois • Lexington, Kentucky + 6 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine (GSK3844766A)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
7
States / cities
Lenexa, Kansas • Elkridge, Maryland • Omaha, Nebraska + 4 more
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
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV Vaccine (GSK3844766A) unadjuvanted low dose, RSV Vaccine (GSK3844766A) low dose adjuvanted with AS01E, RSV Vaccine (GSK3844766A) low dose adjuvanted with AS01B, RSV Vaccine (GSK3844766A) unadjuvanted medium dose, RSV Vaccine (GSK3844766A) medium dose adjuvanted with AS01E, RSV Vaccine (GSK3844766A) medium dose adjuvanted with AS01B, RSV Vaccine (GSK3844766A) unadjuvanted high dose, RSV Vaccine (GSK3844766A) high dose adjuvanted with AS01E, RSV Vaccine (GSK3844766A) high dose adjuvanted with AS01B, Placebo (Saline solution)
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,053 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
18
States / cities
Jacksonville, Florida • Miami, Florida • Stockbridge, Georgia + 15 more