Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 5:12 AM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Conditions
Influenza
Interventions
Influenza vaccine
Biological
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Simultaneous mRNA COVID-19 and IIV4 Vaccination Study

NCT05028361
Conditions
Quality of Life, Injection Site Reaction, Adverse Drug Event, Systemic Reaction
Interventions
mRNA COVID-19, IIV4, Placebo (saline)
Biological · Other
Lead sponsor
Duke University
Other
Eligibility
5 Years and older
Enrollment
348 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
3
States / cities
Baltimore, Maryland • Durham, North Carolina • Cincinnati, Ohio
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of RIV4 Versus IIV4 in Pregnant Women

NCT03969641
Conditions
Safety, Adverse Event Following Immunisation, Birth Outcomes
Interventions
Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
3
States / cities
Boston, Massachusetts • Durham, North Carolina • Cincinnati, Ohio
Conditions
Influenza Immunization
Interventions
Recombinant influenza vaccine (RIV4), Quadrivalent influenza vaccine (IIV4)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
3 Years to 8 Years
Enrollment
366 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
18
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • San Diego, California + 14 more
Conditions
Influenza
Interventions
Standard IIV4, Recombinant, Cell-culture
Biological
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Marshfield, Wisconsin
Conditions
Influenza
Interventions
Flublok Quadrivalent influenza vaccine RIV4, Standard-dose quadrivalent inactivated influenza vaccine SD-IIV4
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Up to 64 Years
Enrollment
96,175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Oakland, California