NCT05869201

Brief Summary

The goal of this clinical trial is to assess tolerability, safety and immunogenicity of the Flu-M Quadro vaccine as compared to the Ultrix® Quadri vaccine in volunteers aged between 18 and 60. Participants were given Flu-M Quadro \[inactivated split influenza vaccine\] with preservative or Flu-M Quadro \[inactivated split influenza vaccine\] without preservative or Ultrix® Quadri vaccine.The volunteers of each group were vaccinated with a single dose vaccine. Researchers assessed the tolerability, safety and immunogenicity of the Flu-M Quadro quadrivalent inactivated split influenza vaccine. Researchers performed a comparative assessment of the tolerability, safety, and immunogenicity of the Flu-M Quadro quadrivalent inactivated split influenza vaccine and the Ultrix® Quadri vaccine.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
450

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Oct 2020

Shorter than P25 for phase_2

Geographic Reach
1 country

5 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 6, 2020

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 8, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 8, 2020

Completed
2.4 years until next milestone

First Submitted

Initial submission to the registry

May 11, 2023

Completed
11 days until next milestone

First Posted

Study publicly available on registry

May 22, 2023

Completed
Last Updated

May 22, 2023

Status Verified

May 1, 2023

Enrollment Period

2 months

First QC Date

May 11, 2023

Last Update Submit

May 11, 2023

Conditions

Keywords

InfluenzaFluVaccineVaccinationSPbSRIVSFlu-M TetraFlu-M QuadroQuadrivalentInactivatedSplit

Outcome Measures

Primary Outcomes (1)

  • Seroconversion rate for each virus strain (A (H1N1), A (H3N2) and B (Yamagata line and Victoria line)) The percentage of subjects who have a prevaccination titer of influenza haemagglutinin antibody titer (HA titer) ≤ 1:10 and a postvaccination HA titer

    Screening (Days 0+5), Day 28

Secondary Outcomes (21)

  • Change from Baseline Geometric mean titer (GMT) ratio of antibodies for each virus strain (A (H1N1), A (H3N2) and B (Yamagata line and Victoria line))

    Screening (Days 0+5), Day 28

  • Seroconversion factor for each virus strain (A (H1N1), A (H3N2) and B (Yamagata line and Victoria line)) Seroconversion factor is an increase in the geometric mean titers of antibodies at Day 28 vs. the baseline level, expressed in the fold rise

    Screening (Days 0+5), Day 28

  • Seroprotection rate for each virus strain (A (H1N1), A (H3N2) and B (Yamagata line and Victoria line)) Seroprotection rate is the percentage of subjects with a generated protective HA titer (at least 1:40) vs. the baseline level

    Screening (Days 0+5), Day 28

  • Incidence of influenza and ARVI

    During 6 months after vaccination

  • Incidence of immediate adverse events (allergic reactions)

    2 hours after vaccination

  • +16 more secondary outcomes

Study Arms (3)

Flu-M Quadro with preservative

EXPERIMENTAL

150 volunteers were vaccinated with the Flu-M Quadro Inactivated Split Influenza Vaccine with a preservative

Biological: Influenza vaccine [inactivated]

Flu-M Quadro without preservative

EXPERIMENTAL

150 volunteers were vaccinated with the Flu-M Quadro Inactivated Split Influenza Vaccine without a preservative

Biological: Influenza vaccine [inactivated]

Ultrix® Quadri

ACTIVE COMPARATOR

150 volunteers were vaccinated with Ultrix® Quadri Vaccine

Biological: Influenza vaccine [inactivated]

Interventions

Solution for intramuscular injection, 0.5 ml (1 dose) Vaccination with a single dose vaccine

Also known as: Flu-M Quadro (with a preservative)
Flu-M Quadro with preservative

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy volunteers (men and women) aged 18-60;
  • Written informed consent of the volunteers to participate in the clinical trial;
  • Volunteers able to fulfill requirements of the protocol (i.e., fill out the patient's diary, come to follow-up visits);
  • For fertile women - a negative result of the pregnancy test and consent to observe adequate methods of contraception (usage of contraceptives one month before vaccination and at least two months after vaccination). All females with childbearing potential must have a negative pregnancy test result during the screening period. In the course of the trial women should use barrier contraceptives with a reliability exceeding 90 %, or be sterile, or be in a postmenopausal state. Barrier contraceptives with a reliability exceeding 90 % of common use include cervical caps with spermicide, diaphragms with spermicide, condoms, intra-uterine spirals;
  • For the men, are able to conceive - consent to use adequate contraception methods. In the course of the trial and during at least two months after vaccination, men and their sexual partners should use barrier contraceptives with a reliability exceeding 90 %, or be sterile. Barrier contraceptives with a reliability exceeding 90 % of common use include cervical caps with spermicide, diaphragms with spermicide, condoms, intra-uterine spirals;

You may not qualify if:

  • History of influenza or ARVI or previous influenza vaccination during 9 moths before the trial;
  • A serious post-vaccination reaction (temperature above 40 °C, hyperemia or edema more than 8 cm in diameter) or complications (collapse or shock-like condition that developed within 48 hours after vaccination; convulsions accompanied or not accompanied by a fever due to any previous vaccination);
  • Allergic reactions to vaccine components or any previous vaccination;
  • History of allergic reaction to chicken protein;
  • History of Guillain-Barré syndrome (acute polyneuropathy);
  • Previous vaccination with rabies vaccines less than 2 months before immunization or scheduled vaccination with rabies vaccines within 1 month after immunization with the trial vaccines;
  • Use of any vaccines within 1 month before the vaccination, excluding vaccines according to the National Calendar of Preventive Vaccination, including for epidemic reasons;
  • History of leukemia, tuberculosis, cancer, autoimmune diseases;
  • Positive blood test results for HIV, syphilis, hepatitis B/C.
  • Volunteers who received immunoglobulin or blood products or had a blood transfusion during the last three months before the trial;
  • History of long-term use (more than 14 days) of immunosuppressants or other immunomodulatory drugs for six months before the trial;
  • History of any confirmed or suspected immunosuppressive or immunodeficiency condition;
  • History of chronic diseases of the cardiovascular, bronchopulmonary, neuroendocrine systems, the gastrointestinal tract, liver, kidneys, hematopoietic or immune systems, mental disease in the acute stage or in the decompensation stage (recovery less than 4 weeks before vaccination);
  • History of progressive neurological pathology, convulsive syndrome; Diabetes mellitus, thyrotoxicosis or other diseases of the endocrine system;
  • History of eczema;
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

Federally Funded Healthcare Institution Primary Healthcare Unit No. 163,of Federal Medical and Biologic Agency (FFHI PHU No. 163, FMBA of Russia)

Kol'tsovo, Novosibirsk Oblast, Russia

Location

Bessalar Clinic. Clinical Trial Center Limited Liability Company (Bessalar Clinic. Clinical Trial Center LLC)

Moscow, Russia

Location

Federation (FSBEI of Higher Education "E. A. Wagner PSMU" of the of the Ministry of Health of the Russian Federation)

Perm, Russia

Location

Baltic Medicine Limited Liability Company (Baltic Medicine LLC)

Saint Petersburg, Russia

Location

Eco-Safety Scientific Research and Development Center Limited Liability Company (Eco-Safety Scientific Research and Development Center LLC)

Saint Petersburg, Russia

Location

MeSH Terms

Conditions

Influenza, HumanInfections

Interventions

Influenza Vaccines

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Officials

  • Ellina Ruzanova

    St. Petersburg Research Institute of Vaccines and Sera

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 11, 2023

First Posted

May 22, 2023

Study Start

October 6, 2020

Primary Completion

December 8, 2020

Study Completion

December 8, 2020

Last Updated

May 22, 2023

Record last verified: 2023-05

Locations