# Diagnostic Value of Sputum Cytology in Asthma-COPD Overlap

> **NCT04056364** · — · UNKNOWN · sponsor: **Assiut University** · enrollment: 150 (estimated)

## Conditions studied

- COPD, Asthma,ACO

## Interventions

- **BIOLOGICAL:** sputum cytology

## Key facts

- **NCT ID:** NCT04056364
- **Lead sponsor:** Assiut University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-09
- **Primary completion:** 2021-09
- **Final completion:** 2021-10
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2019-09-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04056364

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04056364, "Diagnostic Value of Sputum Cytology in Asthma-COPD Overlap". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04056364. Licensed CC0.

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