NCT04593394Completed
Inducible Laryngeal Obstruction in Severe Asthma in Severe Asthma
Inducible Laryngeal Obstruction in Severe Asthma
Source: ClinicalTrials.gov · Last updated 21 Nov 2025
Brief summary (registry, in English)
The first part will be a comparative cross-sectional study to identify the frequency of ILO and other comorbidites among participants with asthma compared to a group of reference subjects without asthma, matched for age- and gender and race. The second part will be a longitudinally observational study study following participants for one year after the cross-sectional study. The Maat-scores ILO-symptoms and asthma-outcomes longitudinally will be evaluated, .
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 116 (actual)
- First submitted
- 13 Oct 2020
- Start date
- 1 Nov 2020
- Primary completion date
- 1 Oct 2024
- Lead sponsor
- Haukeland University Hospital
- Diseases
- Asthma
- NCT number
- NCT04593394
What you commit to
- Study type: Observational
- Participants enrolled: 116
- From 1 Nov 2020 to the primary completion date, 1 Oct 2024
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- No have underlying neurologic disease.
- No known cancer in the lung-head-neck
- No history of life-threatening asthma required hospitalization.
Other
- No known vocal cord pathology.
Who the study is looking for
- Patients with severe asthma (GINA 5)
- Patients with mild-moderate well-treated asthma (GINA step 1-4)
- Agroup of age- and gender matched control subjects without asthma also aged 18- 70.
- The patients must have had a stable disease the last one month before performing the CLE-test
Age in the registry: 18 years to 70 years · Sex: All
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Haukeland University Hospital Coordinator of this site? Confirm its status | Bergen | Norway | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.