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Clinical trialNCT07386509TerminatedEarly phase 1Interventional

WU 345: Immune Responses to Adjuvanted and Non-adjuvanted Seasonal Influenza Vaccines in the Lymphoid Tissues.

SponsorWashington University School of MedicineEnrollment2Healthy
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Healthy adults (18-49 years of age) with no previous influenza virus vaccination history for at least three years prior to enrollment will be recruited to participate in this study. All subjects will concomitantly receive a single dose of both Fluad® and Afluria® administered intramuscularly in opposite deltoid muscles. Blood samples collected at 9 visits (screening, baseline, days 7, 14, 28, 60, 90, 120 and 180, fine needle aspiration (FNAs) from axillary lymph nodes from both axillae at baseline, days 7, 14, 28, 60, 90, 120 and 180.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Washington University School of Medicine Infectious Disease Clinical Trials Unit.

    St Louis, Missouri, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Fluad® and Afluria® vaccination
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
17 Mar 2020
Primary completion
4 Nov 2022
Completion
4 Nov 2022
Last update posted
4 Feb 2026
Registered enrollment
2
Registry id
NCT07386509
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.