Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 21, 2026, 4:52 AM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Respiratory Syncytial Viruses, Lower Respiratory Tract Disease
Interventions
Adenovirus serotype 26 (Ad26)-based respiratory syncytial virus (RSV). preF, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years and older
Enrollment
25,236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
156
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 126 more
Conditions
Healthy
Interventions
Ad26.RSV.preF, Fluarix, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Conditions
Respiratory Syncytial Virus Prevention
Interventions
Ad26.RSV.preF-based vaccine
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
9
States / cities
San Diego, California • Lakeland, Florida • Melbourne, Florida + 4 more
Conditions
Influenza, Human Prevention, Respiratory Syncytial Viruses Prevention
Interventions
Ad26.RSV.preF-based vaccine, Quadrivalent High-dose Influenza Vaccine, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
65 Years and older
Enrollment
777 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
19
States / cities
Long Beach, California • Hollywood, Florida • Port Orange, Florida + 14 more
Conditions
Respiratory Syncytial Viruses, Respiratory Tract Diseases
Interventions
RSV Vaccine, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
65 Years and older
Enrollment
5,815 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
40
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 35 more
Conditions
Healthy
Interventions
RSV Vaccine, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years and older
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
9
States / cities
San Diego, California • Coral Gables, Florida • El Dorado, Kansas + 6 more
Conditions
Respiratory Syncytial Virus Prevention
Interventions
Ad26.RSV.PreF-based Vaccine
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
60 Years to 75 Years
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
13
States / cities
Athens, Alabama • Vestavia Hills, Alabama • Phoenix, Arizona + 8 more