MedTrace Logo

Assessment of Six-minute Walking Distance Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAH

NCT07797166 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2026-09-01

No results posted yet for this study

Summary

To study the effect of a re-ascent after a one-week stay at sea level (after prior descent from 2850m) to high altitude (Quito Ecuador: 2850m) on six-minute walking distance and other scores in patients with pulmonary arterial hypertension PAH, who live permanently \>2600m.

Conditions

  • Pulmonary Arterial Hypertension (PAH)
  • Pulmonary Vascular Disease
  • Six-minute Walk Test
  • NYHA
  • High Altitude Effects
  • High Altitude

Interventions

BEHAVIORAL

Re-Ascent sea level to 2850m

After 7 days at sea level return/re-ascent to their usual living altitude at 2850m

Sponsors & Collaborators

  • Silvia Ulrich Somaini

    lead OTHER

Principal Investigators

  • Silvia Ulrich · University Hospital Zurich, Departement of Pulmonology

  • Rodrigo Hoyos · Hospital Carlos Andrade Marin of Quito, Ecuador

Study Design

Allocation
NA
Purpose
SUPPORTIVE_CARE
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-09-25
Primary Completion
2026-10-04
Completion
2026-12-31

Countries

  • Switzerland

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07797166 on ClinicalTrials.gov