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Clinical trialNCT03898986CompletedPhase 1Interventional

The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets

SponsorStanford UniversityEnrollment18Influenza
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is one project of a larger ongoing study related to the immune system's response to the flu virus. This study is designed to investigate the immune response to the live attenuated influenza vaccine (LAIV) vs. the Inactivated Influenza Vaccine (IIV) in identical and fraternal twins.
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.

  • Philip M Grant

    Assistant Professor of Medicine (Infectious Diseases)

    Principal Investigator
    clinicaltrials.gov ↗

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
  • Stanford University School of Medicine

    Stanford, California, 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.

Inactivated Influenza VaccineLive attenuated influenza vaccine
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
8 Oct 2019
Primary completion
31 Dec 2023
Completion
31 Dec 2023
Last update posted
6 Mar 2025
Registered enrollment
18
Registry id
NCT03898986
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.