Immunogenicity and Safety of 2 Doses of Live Attenuated Varicella Vaccine

NCT ID: NCT02173899

Last Updated: 2014-09-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

716 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-06-30

Study Completion Date

2014-08-31

Brief Summary

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The purpose of this study is to observe the occurrence of adverse events, seroconversion rate and geometric mean titres(GMTs) of 2 doses of live attenuated varicella vaccine.

Detailed Description

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Conditions

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Varicella

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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varicella-1

The second varicella vaccine and 1 year of the interval time between 2 doses

Group Type EXPERIMENTAL

varicella-1

Intervention Type BIOLOGICAL

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

varicella-3

The second varicella vaccine and 3 years of the interval time between 2 doses

Group Type EXPERIMENTAL

varicella-3

Intervention Type BIOLOGICAL

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

varicella-5

The second varicella vaccine and 5 years of the interval time between 2 doses

Group Type EXPERIMENTAL

varicella-5

Intervention Type BIOLOGICAL

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

Interventions

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varicella-1

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

Intervention Type BIOLOGICAL

varicella-3

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

Intervention Type BIOLOGICAL

varicella-5

Give the second varicella vaccine (a single 0.5 ml) and get blood samples at 0, 35-42 day

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Parent/legal acceptable representative is willing and able to understand the protocol requirements and provide informed consent
* Participant is aged ≥ 1 year to ≤ 7 years
* Participant without preventive inoculation of varicella vaccine and previous history of chickenpox and zoster
* Subject and parent/guardian able to attend all scheduled visits and comply with all trial procedures
* Body temperature ≤ 37.5℃

Exclusion Criteria

* Known allergy to any constituent of the vaccine
* Known acute illness, severe chronic disease, acute exacerbation of chronic disease and fever
* Known or suspected impairment of immunologic function, or receipt of immunosuppressive therapy or immunoglobulin since birth
* Reported the history of allergies, convulsions, epilepsy, mental illness and brain disease and clear serious systemic reaction
* Failed to the Expanded Programme on Immunization(EPI)
* Receipt of any vaccine in the 4 weeks preceding the trial vaccination
* Plan to receive any vaccine in the 4 weeks following the trial vaccination
* Known bleeding disorder
* Receipt of whole blood, blood plasma or immunoglobulin in the 5 months preceding the trial vaccination
* Reported the history of acute illness had need systemic antibiotics or antiviral treatment of infections in the 7 days preceding the trial vaccination
* An acute illness with or without fever (temperature ≥ 38.0℃) in the 3 days preceding enrollment in the trial
* Participation in any other interventional clinical trial
* Any condition which, in the opinion of the investigator, would pose a health risk to the subject or interfere with the vaccine
Minimum Eligible Age

1 Year

Maximum Eligible Age

7 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Guangdong Provincial Institute of Biological Products And Materia Medica

OTHER

Sponsor Role collaborator

Changchun Keygen Biological Products Co., Ltd.

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Huizhen Zheng, Master

Role: PRINCIPAL_INVESTIGATOR

Guangdong Center for Disease Prevention and Control

Locations

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Shenzhen Luohu District Center for Disease Control and Prevention

Shenzhen, Guangdong, China

Site Status

Countries

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China

Other Identifiers

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NCT02079605

Identifier Type: -

Identifier Source: org_study_id

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