# The Efficacy of Capsaicin Sensitivity Testing in Patients With Irritable Larynx Syndrome

> **NCT02065128** · — · WITHDRAWN · sponsor: **Unity Health Toronto**

## Conditions studied

- Cough
- Larynx

## Interventions

- **OTHER:** Capsaicin cough challenge test

## Key facts

- **NCT ID:** NCT02065128
- **Lead sponsor:** Unity Health Toronto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2017-08-01
- **Primary completion:** 2017-08
- **Final completion:** 2017-08
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Logistical challenges with research pharmacy prevented the dilution of the capsaicin. No participants were ever recruited, enrolled, or approached.
- **Last updated:** 2017-08-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02065128

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02065128, "The Efficacy of Capsaicin Sensitivity Testing in Patients With Irritable Larynx Syndrome". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT02065128. Licensed CC0.

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