# Phase I Clinical Trial of COVID-19 mRNA Vaccine in Adults Aged 18 Years and Older

> **NCT05373485** · PHASE1 · COMPLETED · sponsor: **CanSino Biologics Inc.** · enrollment: 43 (actual)

## Conditions studied

- COVID-19

## Interventions

- **BIOLOGICAL:** COVID-19 mRNA vaccine
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT05373485
- **Lead sponsor:** CanSino Biologics Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-05-17
- **Primary completion:** 2022-08-08
- **Final completion:** 2022-08-08
- **Target enrollment:** 43 (ACTUAL)
- **Last updated:** 2024-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05373485

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05373485, "Phase I Clinical Trial of COVID-19 mRNA Vaccine in Adults Aged 18 Years and Older". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT05373485. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*