Status:

COMPLETED

Study of Influenza Vaccines Containing an Additional H3 Antigen in Healthy Adult Participants 18 to 49 Years of Age and 60 Years of Age and Older

Lead Sponsor:

Sanofi Pasteur, a Sanofi Company

Conditions:

Influenza

Healthy Volunteers

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

Study FBP00005 is planned to be a translational Phase I, randomized, modified double-blind, active-controlled, multi-center study to be conducted in 2 stages in approximately 400 adults, 18 to 49 year...

Eligibility Criteria

Inclusion

  • Aged 18 to 49 years (Stage 1) or 60 years of age and older (Stage 2) on the day of inclusion
  • Participants who are healthy as determined by medical evaluation including medical history and physical examination, if deemed necessary
  • A female participant is eligible to participate if she is not pregnant or breastfeeding and one of the following conditions applies:
  • Is of non-childbearing potential. To be considered of non-childbearing potential, a female must be post-menopausal for at least 1 year, or surgically sterile OR
  • Is of childbearing potential and agrees to use an effective contraceptive method from at least 4 weeks prior to study intervention administration until at least 3 weeks after study intervention administration
  • A female participant of childbearing potential must have a negative highly sensitive pregnancy test (urine or serum as required by local regulation) before the first dose of study intervention.

Exclusion

  • Participants are excluded from the study if any of the following criteria apply:
  • Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months)
  • History of clinically- or laboratory-confirmed diagnosis of influenza infection in the last 12 months
  • Known systemic hypersensitivity to any of the study intervention components, or history of a life-threatening reaction to the study interventions used in the study or to a product containing any of the same substances
  • Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating intramuscular injection, based on investigator's judgment
  • Chronic illness that, in the opinion of the investigator, is at a stage where it might interfere with study conduct or completion
  • Moderate or severe acute illness/infection (according to investigator judgment) or febrile illness (temperature ≥ 38.0°C) on the day of study intervention administration. A prospective participant should not be included in the study until the condition has resolved or the febrile event has subsided
  • Self-reported or prior documented seropositivity for human immunodeficiency virus, hepatitis B, or hepatitis C
  • Body mass index of 40 or higher
  • Current or past diagnosis, personal or in the family, of Guillain-Barré syndrome
  • Have known or recently active (within 12 months) neoplastic disease or a current or past diagnosis of any hematologic malignancy
  • Receipt of any vaccine in the 4 weeks preceding the study intervention administration or planned receipt of any vaccine in the 3 weeks (approximately 21 days, or until the end of study participation) following study intervention administration
  • Previous vaccination against influenza (in the year 2024) with an investigational or marketed vaccine. In the case of adults ≥ 60 years of age (Stage 2 of the study), previous vaccination within 6 months' time period will apply.
  • Receipt of immune globulins, blood or blood-derived products in the past 3 months
  • Any change in chronic prescription medication or change in medication dose or dosage in the 60 days prior to enrollment
  • The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Key Trial Info

Start Date :

August 12 2024

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 4 2025

Estimated Enrollment :

400 Patients enrolled

Trial Details

Trial ID

NCT06507553

Start Date

August 12 2024

End Date

March 4 2025

Last Update

September 11 2025

Active Locations (10)

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Page 1 of 3 (10 locations)

1

Investigational Site Number : 0360002

Botany, New South Wales, Australia, 2019

2

Investigational Site Number : 0360010

Brookvale, New South Wales, Australia, 2100

3

Investigational Site Number : 0360012

Maroubra, New South Wales, Australia, 2035

4

Investigational Site Number : 0360011

Miranda, New South Wales, Australia, 2228