MedPath

The Safety, Immunogenicity and Immune Effect Research of the Varicella Vaccine After the 2nd Dose Vaccination

Phase 4
Conditions
Varicella
Interventions
Biological: varicella vaccine
Registration Number
NCT01830283
Lead Sponsor
Beijing Center for Disease Control and Prevention
Brief Summary

To investigate the safety, immunogenicity and immune effect of the Varicella vaccine after the 2nd dose vaccination in Chao yang district, Bei jing, since the 2nd varicella vaccination was promoted by Beijing Center for Disease Control and Prevention in November, 2012.

Detailed Description

"Breakthrough" varicella cases and varicella cases were monitored to evaluate the protective effective in a large population.

Make the basic evaluation of safety for the two dose of varicella vaccination

Monitoring the Varicella virus origin and virus types from illness cases in Chao yang district

Make the evaluation of healthy costs reduce for the varicella emergency vaccination after large number of varicella cases occurred.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
50000
Inclusion Criteria
  • Participants were between 4-12 years old
  • Participants were in good healthy determined through medical history, physical examination, clinical judgment of the investor
Exclusion Criteria
  • Having a fever (axillary temperature >37.0℃) before enrollment;
  • Having a disease history of seizures, brain and mental disease and the vaccination history of allergies and convulsions;
  • Antibiotics allergy;
  • Having a problem of intramuscular injection because thrombocytopenia or other blood coagulation disorder;
  • Having immunodeficiency or under immunosuppression therapy, radiation therapy;
  • Having respiratory diseases, acute infection, chronic disease and HIV infection;
  • Having systemic skin rash, skin tinea, herpes;
  • Chronic liver and kidney disease;
  • Heart disease, and severe hypertension;
  • Have received whole blood, plasma or immunoglobulin therapy 3 months before enrollment;
  • Have not received other vaccination in 7 days before enrollment

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
1 dose varicella vaccinevaricella vaccineThe providers would get the 2nd dose since they had one dose varicella vaccine
2 dose varicella vaccinevaricella vaccineThe provider never get the varicella vaccine
Primary Outcome Measures
NameTimeMethod
Incidence of varicella after 2 dose vaccination5 years

Detection the Varicella virus origin and virus types from illness cases in Chao yang district

Secondary Outcome Measures
NameTimeMethod
Adverse event rate of varicella vaccine after 2 dose injection5 years

Adverse event rate of varicella vaccine after 2 dose injection

Trial Locations

Locations (1)

Beijing Chaoyang District Centers for Disease Control and Prevention

🇨🇳

Beijing, China

© Copyright 2025. All Rights Reserved by MedPath