# Immunogenicity and Safety of an Inactivated COVID-19 Vaccine in Elderly People With Chronic Bronchitis and COPD

> **NCT05075083** · PHASE4 · UNKNOWN · sponsor: **China National Biotec Group Company Limited** · enrollment: 400 (estimated)

## Conditions studied

- COVID-19
- Chronic Bronchitis
- COPD

## Interventions

- **BIOLOGICAL:** Inactivated COVID-19 vaccine

## Key facts

- **NCT ID:** NCT05075083
- **Lead sponsor:** China National Biotec Group Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-10-08
- **Primary completion:** 2022-06-30
- **Final completion:** 2022-06-30
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2021-10-22

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05075083

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05075083, "Immunogenicity and Safety of an Inactivated COVID-19 Vaccine in Elderly People With Chronic Bronchitis and COPD". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05075083. Licensed CC0.

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