NCT02146469

Study on Effectiveness of 2-dose Live Attenuated Varicella Vaccine

• Status: Unknown
• Phase: Phase 4
• Study type: Interventional
• Enrollment: 1,200 (estimated)
• Sponsor: Shanghai Municipal Center for Disease Control and Prevention · Academic / Other
• Sex: All
• Age: 1 Year – 7 Years
• Healthy volunteers: Accepted

Summary

The objective of the study is as follows: 1. To know the antibody level during different interval after received 1 dose varicella vaccine. 2. To know safety and effectiveness of received 2 doses varicella vaccine with different interval. 3. To know safety and effectiveness of received varicella vaccine and MMR at the same time. To achieve that, this study selects children with specific varicella vaccine history, gives 1 or 2 doses varicella vaccine, collects blood specimens and makes a follow-up visit after vaccination. All blood specimens will be tested by a third-party detection institution.

Conditions

• Varicella

Interventions

Type	Name	Description
BIOLOGICAL	2 doses with an 3 months interval	varicella vaccination
BIOLOGICAL	A second dose with an 1 year interval	varicella vaccine
BIOLOGICAL	A second dose with an 3 year interval	varicella vaccine
BIOLOGICAL	A second dose with an 5 year interval	varicella vaccine
BIOLOGICAL	1 dose Varicella vaccine and 1 dose MMR given at the same time	varicella vaccine and MMR
BIOLOGICAL	1 dose MMR	MMR

Timeline

• Start date: 2012-12-01
• Primary completion: 2014-06-01
• Completion: 2014-12-01
• First posted: 2014-05-23
• Last updated: 2014-05-23

Locations

1 site across 1 country: China