# Sequential Immunization of Two Doses of Inactivated COVID-19 Vaccine (Omicron) in Vaccinated Population Aged 18 Years and Above

> **NCT05382871** · PHASE3 · UNKNOWN · sponsor: **China National Biotec Group Company Limited** · enrollment: 1804 (actual)

## Conditions studied

- COVID-19

## Interventions

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

## Key facts

- **NCT ID:** NCT05382871
- **Lead sponsor:** China National Biotec Group Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-05-27
- **Primary completion:** 2023-07-27
- **Final completion:** 2024-03-31
- **Target enrollment:** 1804 (ACTUAL)
- **Last updated:** 2023-06-18

## Collaborators

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- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05382871

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05382871, "Sequential Immunization of Two Doses of Inactivated COVID-19 Vaccine (Omicron) in Vaccinated Population Aged 18 Years and Above". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT05382871. Licensed CC0.

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