# Safety and Efficacy of Umbilical Cord Mesenchymal Stem Cell Exosomes in Treating Chronic Cough After COVID-19

> **NCT05808400** · EARLY_PHASE1 · UNKNOWN · sponsor: **Huazhong University of Science and Technology** · enrollment: 80 (estimated)

## Conditions studied

- Long COVID-19 Syndrome

## Interventions

- **BIOLOGICAL:** MSC-derived exosomes

## Key facts

- **NCT ID:** NCT05808400
- **Lead sponsor:** Huazhong University of Science and Technology
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2023-02-15
- **Primary completion:** 2024-02-15
- **Final completion:** 2025-02-15
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2023-04-14

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05808400

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05808400, "Safety and Efficacy of Umbilical Cord Mesenchymal Stem Cell Exosomes in Treating Chronic Cough After COVID-19". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT05808400. Licensed CC0.

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