An Immunity Persistence Study of Live Attenuated Varicella Vaccine

PHASE4Enrolling by invitationINTERVENTIONAL
Enrollment

703

Participants

Timeline

Start Date

December 18, 2021

Primary Completion Date

December 19, 2021

Study Completion Date

October 1, 2025

Conditions
Varicella
Interventions
BIOLOGICAL

Investigational Live Attenuated Varicella Vaccine

The live attenuated varicella vaccine was manufactured by Sinovac (Dalian) Vaccine Technology Co., Ltd. Live attenuated varicella-virus in 0·5 mL injection water with sucrose,sodium glutamate,sodium chloride,potassium chloride, sodium dihydrogen phosphate, potassium dihydrogen phosphate per injection.

BIOLOGICAL

Placebo (Freeze Dired Dilution)

The placebo (freeze dired dilution) was manufactured by Sinovac (Dalian) Vaccine Technology Co., Ltd. and contained no active ingredient.It was 0·5 mL injection water with sucrose,sodium glutamate,sodium chloride,potassium chloride and phosphate.

Trial Locations (2)

461700

Xiangcheng County Center for Disease Control and Prevention, Xuchang

463700

Biyang County Center for Disease Control and Prevention, Zhumadian

All Listed Sponsors
lead

Sinovac (Dalian) Vaccine Technology Co., Ltd.

INDUSTRY