drugset / Trial / NCT02146469
Study on Effectiveness of 2-dose Live Attenuated Varicella Vaccine
Phase 4
Unknown
1200 enrolled
Shanghai Municipal Center for Disease Control and Prevention
Shanghai Institute Of Biological Products · collab
Non-randomizedParallel-groupOpen-labelPrevention
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.
Timeline
- Start
- 2012-12
- Primary completion
- 2014-06
- Completion
- 2014-12
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Comparator | MMR | Vaccine | — | — |
| Subject | Varicella vaccine | Vaccine | — | — |