Status:

TERMINATED

Study to Evaluate the Effectiveness of a High-Dose Quadrivalent Influenza Vaccine (QIV-HD) Compared to a Standard-Dose Quadrivalent Influenza Vaccine (QIV-SD) in Adults 65 Years of Age and Older

Lead Sponsor:

Sanofi Pasteur, a Sanofi Company

Conditions:

Influenza (Healthy Volunteers)

Eligibility:

All Genders

65+ years

Phase:

PHASE3

Brief Summary

Primary Objective: To demonstrate the superior relative effectiveness of QIV-HD as compared to QIV-SD among persons 65 years of age and older for the prevention of cardiovascular and/or respiratory h...

Detailed Description

Study duration per participant was 1 day of screening and vaccination. The study was planned to be conducted over a period of 3 influenza seasons beginning in 2019-2020. The vaccination period was fro...

Eligibility Criteria

Inclusion

  • Inclusion criteria:
  • \- Aged 65 years or older on the day of inclusion ("65 years" means from the day of the 65th birthday).
  • Exclusion criteria:
  • Participation at the time of study enrollment (or in the 4 weeks \[28 days\] preceding the study vaccination) or planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device, or medical procedure.
  • Previous vaccination against influenza (in the preceding 6 months) with either the study vaccines or another vaccine.
  • Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccines used in the study or to a vaccine containing any of the same substances.
  • The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Exclusion

    Key Trial Info

    Start Date :

    November 4 2019

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    May 31 2020

    Estimated Enrollment :

    33096 Patients enrolled

    Trial Details

    Trial ID

    NCT04137887

    Start Date

    November 4 2019

    End Date

    May 31 2020

    Last Update

    September 17 2025

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Investigational Site Number 2469999

    Tampere, Finland, 33520