NCT03285997

Brief Summary

If study subject's legal guardians who decide voluntarily to participate the clinical trial, and sign the Informed Consent Formed, study subjects eligible for participating this trial protocol were assigned to test group or control group with the ratio of 4:1 and receiving the test or control drug 1 time or 2 times.

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
260

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Sep 2017

Shorter than P25 for phase_3

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

September 13, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 18, 2017

Completed
12 days until next milestone

Study Start

First participant enrolled

September 30, 2017

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 31, 2018

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2018

Completed
Last Updated

September 18, 2017

Status Verified

September 1, 2017

Enrollment Period

8 months

First QC Date

September 13, 2017

Last Update Submit

September 15, 2017

Conditions

Keywords

Quadrivalent Influenza Vaccines

Outcome Measures

Primary Outcomes (2)

  • Seroconversion rate for HI antibody after final injection

    the percentage of study subjects with a pre-vaccination (Day 0) HI titer\<1:10 and post-vaccination (Day 28) HI antibody titer≥1:40(Case1), or the percentage of study subjects with a pre-vaccination HI antibody titer≥1:10 and a minimum four-fold rise in post-vaccination HI antibody titer(Case 2)

    Post-vaccination (Day 28 or 56)

  • Seroprotection rate for HI antibody after final injection

    Post-vaccination (Day 28 or 56)

Secondary Outcomes (2)

  • GMT

    Post-vaccination (Day 28 or 56)

  • GMR

    Post-vaccination (Day 28 or 56)

Study Arms (2)

GC3110A

EXPERIMENTAL

One injection: Day 0 Two injection: Day 0 and Day 28

Biological: GC3110A

GCFLU Pre-filled syringe inj.

ACTIVE COMPARATOR

One injection: Day 0 Two injection: Day 0 and Day 28

Biological: GCFLU Pre-filled syringe inj.

Interventions

GC3110ABIOLOGICAL

A single 0.5mL dose intramuscular injection

GC3110A

A single 0.25mL dose intramuscular injection

GCFLU Pre-filled syringe inj.

Eligibility Criteria

Age6 Months - 35 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Healthy infants aged 6 month to 3 years.
  • Study subject was born at full term pregnancy(37 week)
  • Study subject who understand the details of this clinical trial, decide voluntarily to participate the trial, and signed the Informed Consent Form

You may not qualify if:

  • Those with a history of allergic reaction to eggs or chicken, the vaccine components
  • Those who had been ad ministered the influenza vaccine 6 months prior to the study drug vaccination
  • Those with immunologic impairment including immune deficiency disorders or family history about it.
  • Those with a history of Guillain-Barre syndrome
  • Those with a history of Down's syndrome or cytogenetic disorders
  • Those who would be ineligible to participate the study as follows: serious chronic disease
  • Hemophilia patients at risk of serious bleeding with intramuscular injection or those receiving anticoagulant therapy
  • Those who have active infection or who have fever higher than 38.0℃ within 72 hours prior to the dosing of study drug
  • Those who had been vaccinated with another vaccine within 28 days prior to the dosing of study drug or had a scheduled vaccination during the clinical trial period
  • Those who had received an immunosuppressant, immunity-modifying drug within 3 months prior to the dosing of study drug
  • Those who had received immunoglobulin or a blood-derived product within 3 months prior to the dosing of study drug or is scheduled to receive those products during the study period
  • Those who had taken antipyretic/analgesic/nonsteroidal antiinflammatory drugs within 4 hours prior to the dosing of study drug
  • Study subject who had participated in other clinical trial within 28 days prior to the study vaccination

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Catholic Univ.of Korea Seoul St.Mary's Hospital

Seoul, South Korea

Location

Related Publications (1)

  • Choi UY, Kim KH, Lee KY, Kim JH, Kim CS, Eun BW, Kim HM, Kim DH, Song SE, Jo DS, Lee J, Ma SH, Kim KN, Kang JH. Active-controlled phase III study of an egg-cultivated quadrivalent inactivated split-virion influenza vaccine (GC3110A) in healthy Korean children aged 6-35 months. Vaccine. 2021 Apr 8;39(15):2103-2109. doi: 10.1016/j.vaccine.2021.03.005. Epub 2021 Mar 16.

MeSH Terms

Conditions

Influenza, Human

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 13, 2017

First Posted

September 18, 2017

Study Start

September 30, 2017

Primary Completion

May 31, 2018

Study Completion

August 31, 2018

Last Updated

September 18, 2017

Record last verified: 2017-09

Data Sharing

IPD Sharing
Will not share

Locations