NCT07804537Not yet recruiting
Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Healthy Individuals
Effect of a One-week Descent From 2850m to Sea Level and Re-ascent in Patients With Pulmonary Arterial Hypertension and Healthy Controls Permanently Living > 2600m on Pulmonary Hemodynamics, Exercise Capacity, Blood Oxygenation, Sleep Disordered Breathing and Further Outcomes
Source: ClinicalTrials.gov · Last updated 4 Sept 2026
Brief summary (registry, in English)
To study the effect of a re-ascent to high altitude (Quito Ecuador: 2850m) after a one-week stay at sea level (after prior descent from 2850m) on lung function and pulmonary resistance/reactance in healthy individuals, who live permanently \> 2600m.
- Status (registry)
- Not yet recruiting
- Study type
- Interventional
- Enrollment
- 14 (estimated)
- First submitted
- 17 Aug 2026
- Start date
- Sept 2026
- Primary completion date
- Oct 2026
- Lead sponsor
- Silvia Ulrich Somaini
- NCT number
- NCT07804537
What you commit to
- Study type: Interventional
- Planned participants: 14
- From Sept 2026 to the primary completion date, Oct 2026
- 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
- any self-perceived cardiopulmonary disease limiting daily activities
Age
- Age \<18 years or \>80 years
Other
- Participants who cannot follow the study investigations
- Participants permanently living \< 2600m
- Participants who traveled and stayed overnight at altitudes \<2000 m in the past 4 weeks.
Who the study is looking for
- Adults aged 18-80 years and of all genders
- Permanent residence \> 2600 m
- healthy: no self perceived cardiopulmonary disease limiting daily activities
- written informed consent to participate in the study.
Age in the registry: 18 years to 80 years · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University Hospital of Zurich Coordinator of this site? Confirm its status | Zurich | Switzerland | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.