# Efficacy and Safety of Heterologous and Homologous COVID-19 Vaccination

> **NCT05074368** · NA · COMPLETED · sponsor: **National Taiwan University Hospital** · enrollment: 499 (actual)

## Conditions studied

- Healthy Adult Volunteers

## Interventions

- **BIOLOGICAL:** ChAdOx1-nCov-19 (Astra-Zeneca)
- **BIOLOGICAL:** SARS-CoV-2 messenger RNA-1273 (Moderna) vaccine

## Key facts

- **NCT ID:** NCT05074368
- **Lead sponsor:** National Taiwan University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-07-06
- **Primary completion:** 2022-04-27
- **Final completion:** 2022-05-18
- **Target enrollment:** 499 (ACTUAL)
- **Last updated:** 2022-10-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05074368

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05074368, "Efficacy and Safety of Heterologous and Homologous COVID-19 Vaccination". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05074368. Licensed CC0.

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