# An Immunity Persistence Study of Live Attenuated Varicella Vaccine

> **NCT05095701** · PHASE4 · ENROLLING_BY_INVITATION · sponsor: **Sinovac (Dalian) Vaccine Technology Co., Ltd.** · enrollment: 703 (estimated)

## Conditions studied

- Varicella

## Interventions

- **BIOLOGICAL:** Investigational Live Attenuated Varicella Vaccine
- **BIOLOGICAL:** Placebo (Freeze Dired Dilution)

## Key facts

- **NCT ID:** NCT05095701
- **Lead sponsor:** Sinovac (Dalian) Vaccine Technology Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ENROLLING_BY_INVITATION
- **Start date:** 2021-12-18
- **Primary completion:** 2021-12-19
- **Final completion:** 2025-10-01
- **Target enrollment:** 703 (ESTIMATED)
- **Last updated:** 2025-01-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05095701

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05095701, "An Immunity Persistence Study of Live Attenuated Varicella Vaccine". Retrieved via AI Analytics 2026-06-13 from https://api.ai-analytics.org/clinical/NCT05095701. Licensed CC0.

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