This study is a prospective, randomized clinical trial. During this study, participants will be randomly assigned to receive quadrivalent inactivated influenza vaccine (IIV4) and mRNA COVID vaccine either simultaneously or sequentially, 14 days apart. A second dose of mRNA COVID vaccine will be administered either 3 or 4 weeks following the first dose, depending upon the mRNA COVID vaccine received for participants receiving their initial dose of mRNA COVID vaccine. For those receiving a third dose of mRNA COVID vaccine, there will not be a second dose. Solicited symptoms of reactogenicity will be assessed on vaccination day and daily during the 7 days following each Vaccination Visit using either electronic or paper symptoms diaries, depending on study participant preference. Quality of life data will be collected using electronic or paper diaries on day of Vaccination Visit 1 and daily during the 7 days following the visit. Serious adverse events and adverse events of special interest will be collected throughout the duration of the study. Serum samples from participants will be collected for determination of COVID-19 seropositivity at baseline. Serum samples will be taken throughout the study to determine IIV4 immunogenicity and for potential future studies.
Condition | Pain, Quality of Life, Injection Site Reaction, Adverse Drug Event |
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Treatment | Placebo, IIV4, Simultaneous administration of mRNA COVID-19 and IIV4, mRNA COVID-19 |
Clinical Study Identifier | NCT05028361 |
Sponsor | Duke University |
Last Modified on | 9 April 2022 |
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