# Is Laryngeal Ultrasound Useful in the Assessment for ILO? A Protocol for a Two-stage Exploratory Pilot Study

> **NCT05686941** · — · UNKNOWN · sponsor: **Lancashire Teaching Hospitals NHS Foundation Trust** · enrollment: 60 (estimated)

## Conditions studied

- Vocal Cord Dysfunction
- Asthma Brittle
- Inducible Laryngeal Obstruction
- Paradoxical Vocal Fold Motion

## Interventions

- **OTHER:** Trans-cutaneous Laryngeal ultrasound (TLUS)
- **OTHER:** TLUS and simultaneous laryngoscopy

## Key facts

- **NCT ID:** NCT05686941
- **Lead sponsor:** Lancashire Teaching Hospitals NHS Foundation Trust
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-08-24
- **Primary completion:** 2025-06-27
- **Final completion:** 2025-06-27
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2024-02-22

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05686941

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05686941, "Is Laryngeal Ultrasound Useful in the Assessment for ILO? A Protocol for a Two-stage Exploratory Pilot Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05686941. Licensed CC0.

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