Evaluating choking risk in stroke patients using laryngeal ultrasound
Official title: Evaluating Potential Risk of Choking by Laryngeal Ultrasound in Patients With Acute Stroke
Run by National Taiwan University Hospital · NCT04874454 · Data updated 2026-11-12
This study tests if using a safe ultrasound can help doctors see how well stroke patients can swallow and if they are at risk of choking or getting pneumonia.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 20 Years and up |
| Sex | All |
| Enrollment | 200 (estimated) |
| Sponsor | National Taiwan University Hospital Academic / other |
| Locations | 1 site (Taipei, None Selected) |
| Status | Recruiting |
| Started | July 14, 2023 |
| Main results expected | December 31, 2026 |
| Study ends | December 31, 2026 |
| Registry record updated | October 21, 2026 |
| Trial ID | NCT04874454 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are patients who have experienced an acute stroke within the past month.
✕Probably not a fit
Patients who had a stroke more than one month ago will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study assesses vocal cord movement in patients who have experienced an acute stroke using non-invasive laryngeal ultrasound. It aims to identify the risk of choking and aspiration pneumonia by monitoring these patients over the course of one year following their stroke. Current evaluation methods for swallowing function have limitations, and this study seeks to provide a safer alternative to traditional tests that may increase aspiration risk. By utilizing ultrasound, the researchers hope to improve the assessment of swallowing function in stroke patients.
Why it matters
Potential benefit: If successful, this approach could lead to safer and more effective evaluations of swallowing function in stroke patients, potentially reducing the incidence of aspiration pneumonia.
How similar studies have gone: While the use of laryngeal ultrasound is a novel approach in this context, similar non-invasive methods have shown promise in other studies.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * acute stroke (in one month) patients Exclusion Criteria: * patients with stroke occurring more than one month ago
Where it's running
-
Wan-Ching Lien
Taipei, None Selected, Taiwan Recruiting
Study contacts
- Principal investigator: Wan-Ching Lien — National Taiwan University Hospital
- Study coordinator: Wan-Ching Lien
- Email: wanchinglien@ntu.edu.tw
- Phone: +886223123456
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.