# Phase Ⅱ and Ⅲ Trial of a SARS-CoV-2 Vaccine LYB001

> **NCT05137444** · PHASE2,PHASE3 · UNKNOWN · sponsor: **Yantai Patronus Biotech Co., Ltd.** · enrollment: 1900 (estimated)

## Conditions studied

- COVID-19

## Interventions

- **BIOLOGICAL:** LYB001
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT05137444
- **Lead sponsor:** Yantai Patronus Biotech Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-01
- **Primary completion:** 2023-03
- **Final completion:** 2023-05
- **Target enrollment:** 1900 (ESTIMATED)
- **Last updated:** 2021-11-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05137444

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05137444, "Phase Ⅱ and Ⅲ Trial of a SARS-CoV-2 Vaccine LYB001". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05137444. Licensed CC0.

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