Status: Not yet recruiting

Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Healthy Individuals

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 pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy individuals, who live permanently \>2600m.

Participants needed: 14

Trial details

Age: 18-80Biological sex: AllType: InterventionalSponsor: Silvia Ulrich SomainiUpdated: Sep 4, 2026Locations: 1

Eligibility criteria

Adults aged 18-80 years and of all genders [+3]

Age <18 years or >80 years [+4]

Status: Not yet recruiting

Assessment of Total Pulmonary Resistance sPAP/CO Between Sea Level LA vs. High Altitude HA After Re-ascent in Patients With Pulmonary Arterial Hypertension PAH

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 pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in patients with pulmonary arterial hypertension PAH, who live permanently \>2600m.

Participants needed: 20

Trial details

Age: 18-80Biological sex: AllType: InterventionalSponsor: Silvia Ulrich SomainiUpdated: Sep 4, 2026Locations: 1

Eligibility criteria

Adult patients aged 18-80 years and of all genders [+5]

Age <18 years or >80 years [+8]

Status: Not yet recruiting

Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Healthy Individuals H

To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in healthy individuals, who live permanently \>2600m.

Participants needed: 14

Trial details

Age: 18-80Biological sex: AllType: InterventionalSponsor: Silvia Ulrich SomainiUpdated: Sep 4, 2026Locations: 1

Eligibility criteria

Adults aged 18-80 years and of all genders [+3]

Age <18 years or >80 years [+4]

Status: Not yet recruiting

Assessment of Total Pulmonary Resistance sPAP/CO Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH

To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on pulmonary resistance (sPAP/CO) and other hemodynamic outcomes in patients with pulmonary arterial hypertension PAH, who live permanently \>2600m.

Participants needed: 20

Trial details

Age: 18-80Biological sex: AllType: InterventionalSponsor: Silvia Ulrich SomainiUpdated: Sep 4, 2026Locations: 1

Eligibility criteria

Adult patients aged 18-80 years and of all genders [+5]

Age <18 years or >80 years [+8]