# Pulmonary Function Test, Bronchial Hyperresponsiveness and Quality of Life in Patients With Vocal Cord Dysfunction (VCD)

> **NCT00906867** · — · COMPLETED · sponsor: **Johann Wolfgang Goethe University Hospital** · enrollment: 25 (actual)

## Conditions studied

- Dyspnea

## Interventions

- **OTHER:** Methacholine challenge testing
- **PROCEDURE:** Rhino-laryngoscopy

## Key facts

- **NCT ID:** NCT00906867
- **Lead sponsor:** Johann Wolfgang Goethe University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-04
- **Primary completion:** 2010-02
- **Final completion:** 2010-03
- **Target enrollment:** 25 (ACTUAL)
- **Last updated:** 2017-03-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00906867

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00906867, "Pulmonary Function Test, Bronchial Hyperresponsiveness and Quality of Life in Patients With Vocal Cord Dysfunction (VCD)". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00906867. Licensed CC0.

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