# Voice Analysis as a Predictor for Difficult Intubations

> **NCT04105738** · — · TERMINATED · sponsor: **J. Matthias Walz** · enrollment: 13 (actual)

## Conditions studied

- Anesthesia
- Difficult Intubation
- Difficult Airway Intubation
- Speech Dysfunction
- Surgery

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04105738
- **Lead sponsor:** J. Matthias Walz
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2017-03-28
- **Primary completion:** 2021-02-19
- **Final completion:** 2021-02-22
- **Target enrollment:** 13 (ACTUAL)
- **Why stopped:** Terminated: Study halted prematurely and will not resume; participants are no longer being examined or receiving intervention.
- **Last updated:** 2022-03-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04105738

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04105738, "Voice Analysis as a Predictor for Difficult Intubations". Retrieved via AI Analytics 2026-09-07 from https://api.ai-analytics.org/clinical/NCT04105738. Licensed CC0.

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