# Inducible Laryngeal Obstruction in Severe Asthma in Severe Asthma

> **NCT04593394** · — · COMPLETED · sponsor: **Haukeland University Hospital** · enrollment: 116 (actual)

## Conditions studied

- Asthma Chronic
- Vocal Cord Dysfunction

## Interventions

- **DIAGNOSTIC_TEST:** Continous laryngoscopy exercise test
- **DIAGNOSTIC_TEST:** Overnight respiratory polygraphy

## Key facts

- **NCT ID:** NCT04593394
- **Lead sponsor:** Haukeland University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-01
- **Primary completion:** 2024-10-01
- **Final completion:** 2024-10-01
- **Target enrollment:** 116 (ACTUAL)
- **Last updated:** 2025-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04593394

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04593394, "Inducible Laryngeal Obstruction in Severe Asthma in Severe Asthma". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04593394. Licensed CC0.

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