# Lung Function, Exercise Capacity, and Serology Responses in Patients With COVID-19

> **NCT04611243** · — · RECRUITING · sponsor: **Chinese University of Hong Kong** · enrollment: 700 (estimated)

## Conditions studied

- Lung Function
- Exercise Capacity
- Quality of Life
- Covid19

## Interventions

- **BIOLOGICAL:** third dose vaccination with CoronaVac vaccine
- **BIOLOGICAL:** third dose vaccination with BionTech vaccine
- **BIOLOGICAL:** Vaccination with Coronavac vaccine
- **BIOLOGICAL:** Vaccination with BionTech Vaccine

## Key facts

- **NCT ID:** NCT04611243
- **Lead sponsor:** Chinese University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-05-22
- **Primary completion:** 2025-08-18
- **Final completion:** 2026-02-17
- **Target enrollment:** 700 (ESTIMATED)
- **Last updated:** 2024-08-21

## Collaborators

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- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04611243

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04611243, "Lung Function, Exercise Capacity, and Serology Responses in Patients With COVID-19". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04611243. Licensed CC0.

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