# Prevalence and Main Features of Chronic Refractory Cough.

> **NCT04078542** · — · UNKNOWN · sponsor: **Campus Bio-Medico University** · enrollment: 400 (estimated)

## Conditions studied

- Cough

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04078542
- **Lead sponsor:** Campus Bio-Medico University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-01-01
- **Primary completion:** 2022-12-31
- **Final completion:** 2022-12-31
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2019-09-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04078542

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04078542, "Prevalence and Main Features of Chronic Refractory Cough.". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04078542. Licensed CC0.

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