NCT05056519

Brief Summary

Live Attenuated freeze-dried Influenza Vaccine has been licensed for use in 2020 (Approval No.S20200002), the sponsor of this research submitted an new application for non freeze-dried Live Attenuated Influenza Vaccine in 2021. The main objective of phase Ⅰ trail is to evaluate the safety of LAVI(non freeze-dried). The secondary objective is to evaluate the immunogenicity of LAVI(non freeze-dried).

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
160

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Sep 2021

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
unknown

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

First Submitted

Initial submission to the registry

August 31, 2021

Completed
20 days until next milestone

Study Start

First participant enrolled

September 20, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 24, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2021

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 30, 2022

Completed
Last Updated

September 24, 2021

Status Verified

September 1, 2021

Enrollment Period

3 months

First QC Date

August 31, 2021

Last Update Submit

September 23, 2021

Conditions

Keywords

SafetyImmunogenicityLive Attenuated Influenza Vaccine

Outcome Measures

Primary Outcomes (3)

  • Number of participants with adverse events as assessed by SAS v9.4

    The incidence rate of adverse events in all subjects

    Within 31 days after vaccination

  • Number of participants with laboratory examination abnormity as assessed by SAS v9.4Clinical laboratory examination

    The incidence rate of abnormal of Blood routine, blood biochemical and urine in The incidence rate of abnormality of blood routine, blood biochemical and urine routine in 18-59 years age group

    3 days after vaccination

  • Number of participants with virus Shedding as assessed by SAS v9.4

    The nasal secretions of Subjects in 18-59 years age group will be taken and be tested

    within 16 days after vaccination

Study Arms (2)

Experimental group

EXPERIMENTAL

Healthy people in experimental group will receive a dose of Live Attenuated Influenza Vaccine

Biological: Live Attenuated Influenza Vaccine

Placebo group

PLACEBO COMPARATOR

Healthy people in placebo group will receive a dose of placebo

Biological: Live Attenuated Influenza Vaccine placebo

Interventions

Live Attenuated Influenza Vaccine placebo, containing H1, H3 and B type influenza Live Attenuated virus.

Experimental group

Live Attenuated Influenza Vaccine placebo, not containing H1, H3 and B type influenza Live Attenuated virus.

Placebo group

Eligibility Criteria

Age3 Years - 59 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Healthy volunteers aged in 3-59 years old.
  • Had not received vaccination of Influenza vaccine in the past half of years.
  • Had not infected with Influenza virus.
  • This trail has been agreed by volunteers or his/her legal guardian.
  • Volunteers or his/her legal guardian will fellow this trail protocol.

You may not qualify if:

  • People from 18-59 age group with abnormal laboratory index. (slight abnormality is except if judged with no clinical significance by doctors.)
  • People with fever before vaccination, temperature higher than 37.0 ℃
  • Females in suckling period, pregnancy (pregnancy test positive) or prepared to be pregnant
  • People given whole blood, plasma or immunoglobulin therapy within 3 months before vaccination
  • According to judgement of researchers, the subjects have any other factors that are not appropriate for this clinical trials.
  • Acute infectious disease or acute attack of chronic disease before inoculation
  • People get any vaccine within 14 days before the trial.
  • People in immune deficiency or diagnosed with congenital or acquired immunodeficiency, people with immunosuppressive therapy in the past six months.
  • People with epilepsy or a history of mental illness

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hebei Provincial Center for Disease Control and Prevention

Shijiazhuang, Hebei, 050021, China

RECRUITING

MeSH Terms

Interventions

Influenza Vaccines

Intervention Hierarchy (Ancestors)

Viral VaccinesVaccinesBiological ProductsComplex Mixtures

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The design of this trail is based on random, two-blind, placebo control. The subjects and investigators will not know the masking status, unless the specific subjects who required treatment for serious adverse events .
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: Totally 160 in 3-59 years old healthy people will be divided into two age group, which contain 80 people in 18-59 years old and 80 people in 3-17 years old. In each age group, subjects will be randomly divided into vaccine group and placebo group in a ratio of 3:1.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 31, 2021

First Posted

September 24, 2021

Study Start

September 20, 2021

Primary Completion

December 30, 2021

Study Completion

March 30, 2022

Last Updated

September 24, 2021

Record last verified: 2021-09

Locations