Status:

COMPLETED

First-in-Human Clinical Trial of a Mosaic Quadrivalent Influenza Vaccine Compared With a Licensed Inactivated Seasonal QIV in Healthy Adults

Lead Sponsor:

National Institute of Allergy and Infectious Diseases (NIAID)

Conditions:

Influenza

Seasonal Influenza

Eligibility:

All Genders

18-50 years

Phase:

PHASE1

Brief Summary

Background: Influenza (flu) is a contagious respiratory illness. It is caused by influenza viruses that infect the nose, throat, and sometimes the lungs. Vaccines are given to teach the body to preve...

Detailed Description

Design: This was a Phase I, open-label, dose escalation study to evaluate the dose, safety, tolerability, and immunogenicity of the mosaic quadrivalent influenza vaccine VRC-FLUMOS0111-00-VP (FluMos-...

Eligibility Criteria

Inclusion

  • INCLUSION CRITERIA:
  • Participant must have met all of the following criteria:
  • Healthy adults between the ages of 18-50 years inclusive
  • Based on history and physical examination, in good general health and without history of any of the conditions listed in the exclusion criteria
  • Part A: Received at least one licensed influenza vaccine from 2016 through the 2019-2020 influenza season
  • Part B: Received at least one licensed influenza vaccine from 2017 through the 2022-2023 influenza season
  • Able and willing to complete the informed consent process
  • Available for clinic visits for 40 weeks after enrollment and through an influenza season
  • Able to provide proof of identity to the satisfaction of the study clinician completing the enrollment process
  • Physical examination and laboratory results without clinically significant findings and a Body Mass Index (BMI) \<=35 within the 56 days before enrollment
  • Laboratory Criteria within 56 days before enrollment
  • White blood cells (WBC) and differential within institutional normal range or accompanied by the site Principal Investigator (PI) or designee approval
  • Total lymphocyte count \>=800 cells/microliter
  • Platelets = 125,000 - 500,000 cells/microliter
  • Hemoglobin within institutional normal range or accompanied by the PI or designee approval
  • Alanine aminotransferase (ALT) \<=1.25 x institutional upper limit of normal (ULN)
  • Aspartate aminotransferase (AST) \<=1.25 x institutional ULN
  • Alkaline phosphatase (ALP) \<1.1 x institutional ULN
  • Total bilirubin within institutional normal range or accompanied by the PI or designee approval.
  • Serum creatinine \<=1.1 x institutional ULN
  • Negative for HIV infection by an FDA-approved method of detection
  • Criteria applicable to women of childbearing potential:
  • Negative beta-human chorionic gonadotropin (beta-HCG) pregnancy test (urine or serum) on the day of enrollment
  • Agrees to use an effective means of birth control from at least 21 days prior to enrollment through the end of the study
  • EXCLUSION CRITERIA:
  • Participant was excluded if one or more of the following conditions applied:
  • Breast-feeding or planning to become pregnant during the study
  • Participant received any of the following substances:
  • More than 10 days of systemic immunosuppressive medications or cytotoxic medications within the 4 weeks prior to enrollment or any within the 14 days prior to enrollment
  • Blood products within 16 weeks prior to enrollment
  • Live attenuated vaccines within 4 weeks prior to enrollment
  • Inactivated vaccines within 2 weeks prior to enrollment
  • Investigational research agents within 4 weeks prior to enrollment or planning to receive investigational products while on the study
  • Current allergy treatment with allergen immunotherapy with antigen injections, unless on maintenance schedule
  • Current anti-TB prophylaxis or therapy
  • Previous investigational H1, H2, or H10 influenza vaccines, including Part A participants
  • Part A:
  • Groups 1A, 2A, and 3A only: Receipt of the 2020-2021 season's licensed influenza vaccine at any time prior to enrollment
  • Groups 1B, 2B, and 3B only: Receipt of the 2020-2021 season's licensed influenza vaccine within 4 months prior to enrollment.
  • Part B and C:
  • Groups 4A and 5A only: Receipt of the 2021-2022 or 2022-2023 season's licensed influenza vaccine at any time prior to enrollment
  • Groups 4B and 5B only: Receipt of the 2021-2022 or 2022-2023 season's licensed influenza vaccine within 4 months prior to enrollment.
  • Participant had a history of any of the following clinically significant conditions:
  • Serious reactions to vaccines that preclude receipt of the study vaccination as determined by the investigator
  • Hereditary angioedema, acquired angioedema, or idiopathic forms of angioedema
  • Asthma that is not well controlled
  • Diabetes mellitus (type I or II), with the exception of gestational diabetes
  • Thyroid disease that is not well controlled
  • Idiopathic urticaria within the past year
  • Autoimmune disease or immunodeficiency
  • Hypertension that is not well controlled
  • Bleeding disorder diagnosed by a doctor (e.g. factor deficiency, coagulopathy, or platelet disorder requiring special precautions) or significant bruising or bleeding difficulties with IM injections or blood draws
  • Malignancy that is active or history of malignancy that is likely to recur during the period of the study
  • Seizure disorder other than 1) febrile seizures, 2) seizures secondary to alcohol withdrawal more than 3 years ago, or 3) seizures that have not required treatment within the last 3 years
  • Asplenia, functional asplenia or any condition resulting in the absence or removal of the spleen
  • Guillain-Barre Syndrome
  • Any medical, psychiatric, social condition, occupational reason or other responsibility that, in the judgment of the investigator, is a contraindication to protocol participation or impairs a participant's ability to give informed consent.

Exclusion

    Key Trial Info

    Start Date :

    May 24 2021

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    January 25 2024

    Estimated Enrollment :

    63 Patients enrolled

    Trial Details

    Trial ID

    NCT04896086

    Start Date

    May 24 2021

    End Date

    January 25 2024

    Last Update

    April 27 2025

    Active Locations (1)

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    National Institutes of Health Clinical Center

    Bethesda, Maryland, United States, 20892