# Study on Sequential Immunization of Omicron Inactivated COVID-19 Vaccine and Prototype Inactivated COVID-19 Vaccine in Population Aged 18 Years Old and Above

> **NCT05374954** · PHASE3 · UNKNOWN · sponsor: **China National Biotec Group Company Limited** · enrollment: 4200 (actual)

## Conditions studied

- COVID-19

## Interventions

- **BIOLOGICAL:** Omicron COVID-19 Vaccine (Vero Cell), Inactivated
- **BIOLOGICAL:** COVID-19 Vaccine (Vero Cell), Inactivated

## Key facts

- **NCT ID:** NCT05374954
- **Lead sponsor:** China National Biotec Group Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-05-10
- **Primary completion:** 2022-09-25
- **Final completion:** 2023-11-10
- **Target enrollment:** 4200 (ACTUAL)
- **Last updated:** 2023-06-18

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05374954

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05374954, "Study on Sequential Immunization of Omicron Inactivated COVID-19 Vaccine and Prototype Inactivated COVID-19 Vaccine in Population Aged 18 Years Old and Above". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT05374954. Licensed CC0.

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