NCT03654664

Brief Summary

The purpose of this study is to evaluate the immunogenicity and safety after one primary dose and one additional dose of inactivated hepatitis A vaccine are administered in Korean healthy children aged 12-23 months.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
119

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Jun 2017

Geographic Reach
1 country

10 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

June 20, 2017

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

August 29, 2018

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 31, 2018

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 24, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 24, 2019

Completed
Last Updated

July 7, 2023

Status Verified

July 1, 2023

Enrollment Period

2 years

First QC Date

August 29, 2018

Last Update Submit

July 5, 2023

Conditions

Keywords

Hepatitis A vaccine

Outcome Measures

Primary Outcomes (1)

  • Seroconversion rate

    Seroconversion criteria: Anti-HAV 20 IU/L or above

    1 month after the second administration of the investigational product

Secondary Outcomes (1)

  • Antibody titer (GMT)

    1 month after the second vaccination

Other Outcomes (1)

  • Safety endpoints Adverse events observed within 30 minutes after vaccination, solicited adverse events/adverse drug reactions, and unsolicited adverse events/adverse drug reactions through a diary, serious adverse events/adverse drug reactions, physica

    Approximately 12 months after a consent to the participation

Study Arms (2)

inactivated hepatitis A vaccine

EXPERIMENTAL

A 0.5ml dose is administered twice in total at an interval of 6 months to healthy children aged 12-23 months.

Biological: Inactivated hepatitis A vaccine

Havrix Inj

ACTIVE COMPARATOR

A 0.5ml dose is administered twice in total at an interval of 6 months to healthy children aged 12-23 months.

Biological: Havrix Inj

Interventions

Inactivated hepatitis A virus antigen 250 U (Name of viral strain: TZ84)

inactivated hepatitis A vaccine
Havrix InjBIOLOGICAL

720 ELISA/0.5 mL Junior (Inactivated hepatitis A virus antigen 160 U (Name of viral strain: HM175 Inj)

Havrix Inj

Eligibility Criteria

Age12 Months - 23 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • A child whose parents or representative provided written consent
  • A Korean child aged 12-23 months on the day of the first vaccination
  • No history of hepatitis A or a having hepatitis A vaccination
  • A child who was determined by the investigator that there is no problem with the participation in the clinical study according to the medical history and physical examination results

You may not qualify if:

  • Tympanic temperature of 38℃ or above within 48 hours prior to the vaccination or on the day of vaccination
  • Moderate to severe acute or chronic infectious disease on the day of vaccination
  • History of sensitivity to the following drugs: neomycin, formaldehyde, gentamicin sulfate, any preventive vaccines
  • Disorders in the immune system, or congenital or acquired immunodeficient diseases
  • Received immunosuppressive dose of systemic corticosteroids therapy within 12weeks days before vaccination
  • A child with uncontrolled epilepsy or neurological disorders
  • Planned with other vaccine within 4 weeks after the vaccination date
  • Administered with other vaccine within 4 weeks prior to the vaccination date
  • Used immunoglobulin formulation or human plasma, or received a transfusion within 12 weeks prior to the vaccination date
  • A child who has participated or is participating in another clinical trial within 12 weeks prior to the vaccination date(systemic corticosteroids administered at doses corresponding to ≤0.5 mg/kg/day of prednisolone for 14 consecutive days or less is exceptionally allowed)
  • Other reasons not specified above that, in the opinion of the investigator, may make the subject ineligible to participate in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

The Catholic University of Korea, Incheon St.Mary's Hospital

Incheon, Bupyeong-gu, 403-720, South Korea

Location

The Catholic University of Korea, St.Vincent's Hospital.

Suwon, Gyeonggi-do, 442-723, South Korea

Location

Korea University Ansan Hospital

Ansan, 15355, South Korea

Location

Chanwon Fatima Hospital

Changwon, 51394, South Korea

Location

KeiMyung University Dongsan Medical Center

Daegu, South Korea

Location

Gachon University Gil Hospital

Incheon, South Korea

Location

Hanil General Hospital

Seoul, 01450, South Korea

Location

Korea cancer center Hospital

Seoul, 01812, South Korea

Location

Nowon Eulji Medical center , Eulji University

Seoul, 01830, South Korea

Location

Wonju Sevrance Christian Hospital

Wŏnju, South Korea

Location

MeSH Terms

Conditions

Hepatitis

Condition Hierarchy (Ancestors)

Liver DiseasesDigestive System Diseases

Study Officials

  • HJ Cho

    BORYUNGPHARM. CO., LTD.

    STUDY DIRECTOR

Study Design

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

Study Record Dates

First Submitted

August 29, 2018

First Posted

August 31, 2018

Study Start

June 20, 2017

Primary Completion

June 24, 2019

Study Completion

June 24, 2019

Last Updated

July 7, 2023

Record last verified: 2023-07

Data Sharing

IPD Sharing
Will not share

Locations