Status:

COMPLETED

Study to Assess the Safety and Immunogenicity of Monovalent mRNA NA Vaccine in Adult Participants 18 Years of Age and Older

Lead Sponsor:

Sanofi Pasteur, a Sanofi Company

Conditions:

Influenza Immunization

Healthy Volunteers

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

This is a Phase I, first-in-human, randomized, modified double-blind, active-controlled, dose-escalation study to assess the safety and immunogenicity of up to 3 dose levels of mRNA NA vaccines, admin...

Detailed Description

This study will include a screening visit, 6 study visits occurring on Days 1, 3, 9, 29, 91, and 181, and a safety follow-up telephone call on Day 366.

Eligibility Criteria

Inclusion

  • Aged 18 years or older on the day of inclusion.
  • 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 postmenopausal for at least 1 year, or surgically sterile OR
  • Is of childbearing potential and agrees to use an effective contraceptive method or abstinence from at least 4 weeks prior to study intervention administration until at least 12 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) within 8 hours before administration of study intervention.
  • Informed consent form has been signed and dated.

Exclusion

  • 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).
  • Known systemic hypersensitivity to any of the study intervention components; history of a life-threatening reaction to the study interventions used in the study or to a product containing any of the same substances
  • Moderate or severe acute illness/infection (according to investigator judgement) or febrile illness (temperature ≥100.4°F) on the day of study intervention administration.
  • Have known or recently active (12 months) neoplastic disease or a history of any hematologic malignancy.
  • Have any diagnosis, current or past, of autoimmune disease.
  • Body mass index of 40 kg/m2 or higher.
  • Receipt of immune globulins, blood, or blood-derived products in the past 3 months.
  • Have taken high-dose inhaled corticosteroid (≥500 μg of fluticasone) within 6 months prior to study vaccination.
  • Self-reported or documented seropositivity for HIV, hepatitis B virus, or hepatitis C virus.

Key Trial Info

Start Date :

June 9 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 3 2024

Estimated Enrollment :

233 Patients enrolled

Trial Details

Trial ID

NCT05426174

Start Date

June 9 2022

End Date

January 3 2024

Last Update

September 15 2025

Active Locations (6)

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Page 1 of 2 (6 locations)

1

AES - DRS - Optimal Research_Site 8400007

Huntsville, Alabama, United States, 35802

2

Central Phoenix Medical Clinic, LLC_Site: 8400010

Phoenix, Arizona, United States, 85020

3

Optimal Research San Diego, LLC_Site: 8400009

San Diego, California, United States, 92108

4

AES - DRS - Optimal Research_Site 8400002

Melbourne, Florida, United States, 32934-8172