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Assessment of Heart Rate Variability HRV During Descent DE From 2850m to Sea Level and During Re-ascent A From Sea Level to 2850m in Patients With Pulmonary Arterial Hypertension PAH

NCT07801859 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2026-09-03

No results posted yet for this study

Summary

To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level and re-ascent from sea level to 2850m on heart rate variability and other hemodynamic parameters in patients with pulmonary arterial hypertension PAH, who live permanently \>2600m.

Conditions

  • High Altitude Effects
  • High Altitude
  • Pulmonary Vascular Disease
  • Pulmonary Arterial Hypertension (PAH)
  • Heart Rate Variability (HRV)
  • ECG Abnormalities

Interventions

BEHAVIORAL

Descent and re-ascent (2850m, sea level)

Descent from 2850m to sea level (in one day by bus) and re-ascent after 7 days from sea level to 2850m (in one day by bus)

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

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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 NCT07801859 on ClinicalTrials.gov