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Sleep-Assessment in Patients Between High Altitude HA vs. Sea Level LA in Patients With Pulmonary Arterial Hypertension PAH

31. August 2026 aktualisiert von: Silvia Ulrich Somaini

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

To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level on sleeping parameters by polygraphy in patients with pulmonary arterial hypertension PAH, who live permanently >2600m.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

The aim of this research is to investigate sleeping parameters by polygraphy before and after relocation (high altitude near their living altitude vs. sea level) in patients with diagnosed pulmonary arterial hypertension according to guidelines, who permanently live at high altitude over 2600m

Studientyp

Interventionell

Einschreibung (Geschätzt)

20

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

  • Name: Michael Furian, Prof. Dr. sc. ETH
  • Telefonnummer: +41442552220

Studienorte

      • Zurich, Schweiz, 8091
        • University Hospital of Zurich

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Adult patients aged 18-80 years and of all genders
  • Permanent residence > 2600 m
  • Diagnosis of pulmonary arterial hypertension PAH (PAHHA-Group) according to guidelines
  • Patients are stable on therapy
  • NYHA (new york heart association) functional class I-III.
  • written informed consent to participate in the study.

Exclusion Criteria:

  • Age <18 years or >80 years
  • unstable condition
  • Patients who cannot follow the study investigations
  • Patient permanently living < 2600m.
  • Patients who traveled and stayed overnight at altitudes <2000 m in the past 4 weeks.
  • Patients with moderate to severe concomitant lung disease (FEV1<70% or forced vital capacity <70%), severe parenchymal lung disease, severe smokers (>20 cigarettes/day)
  • Severely hypoxemic patients at Quito permanently having persistent SpO2 (oxygen saturation by pulseoximetry) <80% on ambient air.
  • Patient with a non-corrected ventricular septum defect
  • Relevant concomitant other disease of the heart, kidney, liver, blood (anemia hemoglobin<11 g/dl)

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Unterstützende Pflege
  • Zuteilung: N / A
  • Interventionsmodell: Einzelgruppenzuweisung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Sleep-parameters at 2850m and at sea level
Assessment of sleep-parameters by polygraphy in patients with pulmonary arterial hypertension at 2850m and at sea level
Descent from 2850m to sea level with a stay for 7 days and re-ascent back to 2850m

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Mean nocturnal SpO2 after 7 days at sea level
Zeitfenster: From high altitude (2850m) to night 7 at sea level
Difference in mean nocturnal SpO2 between 2850m and Night 7 at sea level in patients with pulmonary arterial hypertension
From high altitude (2850m) to night 7 at sea level

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Time spent with low SpO2 after 7 days at sea level
Zeitfenster: From high altitude (2850m) to night 7 at sea level
Difference/change in time spent with low SpO2 (< 90% and < 80%) between 2850m and night 7 at sea level in patients with pulmonary arterial hypertension
From high altitude (2850m) to night 7 at sea level
Apnoea-Hypopnoea-Index AHI after 7 days at sea level
Zeitfenster: From high altitude (2850m) to night 7 at sea level
Difference/change in nocturnal apnoea-hypopnoea-index between 2850m and night 7 at sea level in patients with pulmonary arterial hypertension
From high altitude (2850m) to night 7 at sea level
Oxygen-Desaturation-Index ODI after 7 days at sea level
Zeitfenster: From high altitude (2850m) to night 7 at sea level
Difference/change in nocturnal Oxygen-Desaturation-Index ODI between 2850m and night 7 at sea level in patients with pulmonary arterial hypertension
From high altitude (2850m) to night 7 at sea level
Nocturnal cardiovascular autonomic control after 7 days at sea level
Zeitfenster: From high altitude (2850m) to night 7 at sea level
Difference/change in nocturnal cardiovascular autonomic control by heart rate (variability) between 2850m and night 7 at sea level in patients with pulmonary arterial hypertension
From high altitude (2850m) to night 7 at sea level
Acclimatization-Effect of mean nocturnal SpO2 at sea level
Zeitfenster: From Night 1 to Night 7 at sea level
Difference/change in mean nocturnal SpO2 at night 1 and night 7 within a stay at sea level of 7 days (after relocation from high altitude) in patients with pulmonary arterial hypertension
From Night 1 to Night 7 at sea level
Acclimatization-Effect of time spent with low SpO2 at sea level
Zeitfenster: From Night 1 to Night 7 at sea level
Difference/change in time spent with low SpO2 (< 90% and < 80%) at night 1 and night 7 within a stay at sea level of 7 days (after relocation from high altitude) in patients with pulmonary arterial hypertension
From Night 1 to Night 7 at sea level
Acclimatization-Effect of Apnoea-Hypopnoea-Index AHI at sea level
Zeitfenster: From Night 1 to Night 7 at sea level
Difference/change in nocturnal apnoea-hypopnoea-index at night 1 and night 7 within a stay at sea level of 7 days (after relocation from high altitude) in patients with pulmonary arterial hypertension
From Night 1 to Night 7 at sea level
Acclimatization-Effect of Oxygen-Desaturation-Index ODI at sea level
Zeitfenster: From Night 1 to Night 7 at sea level
Difference/change in nocturnal oxygen-desaturation-index ODI at night 1 and night 7 within a stay at sea level of 7 days (after relocation from high altitude) in patients with pulmonary arterial hypertension
From Night 1 to Night 7 at sea level
Acclimatization-Effect of nocturnal cardiovascular autonomic control at sea level
Zeitfenster: From Night 1 to Night 7 at sea level
Difference/change in nocturnal cardiovascular autonomic control by heart rate (variability) at night 1 and night 7 within a stay at sea level of 7 days (after relocation from high altitude) in patients with pulmonary arterial hypertension
From Night 1 to Night 7 at sea level
Mean nocturnal SpO2 after re-ascent to 2850m
Zeitfenster: From Night 7 at sea level to night after reascent (time frame of 3 days)
Difference/change in mean nocturnal SpO2 between sea level (after one-week stay) and night after re-ascent to 2850m in patients with pulmonary arterial hypertension
From Night 7 at sea level to night after reascent (time frame of 3 days)
Time spent with low SpO2 after re-ascent to 2850m
Zeitfenster: From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Difference/change in time spent with low SpO2 (< 90% and < 80%) between sea level (after one-week stay) and night after re-ascent to 2850m in patients with pulmonary arterial hypertension
From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Apnoea-Hypopnoea-Index AHI after re-ascent to 2850m
Zeitfenster: From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Difference/change in nocturnal apnoea-hypopnoea-index between sea level (after one-week stay) and night after re-ascent to 2850m in patients with pulmonary arterial hypertension
From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Oxygen-Desaturation-Index ODI after re-ascent to 2850m
Zeitfenster: From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Difference/change in nocturnal oxygen-desaturation-index between sea level (after one-week stay) and night after re-ascent to 2850m in patients with pulmonary arterial hypertension
From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Nocturnal cardiovascular autonomic control after re-ascent to 2850m
Zeitfenster: From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Difference/change in nocturnal cardiovascular autonomic control by heart rate (variability) between sea level (after one-week stay) and night after re-ascent to 2850m in patients with pulmonary arterial hypertension
From Night 7 at sea level to night after re-ascent (time frame of 3 days)
Mean nocturnal SpO2 pre-descent and after re-ascent (2850m)
Zeitfenster: From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Difference/change in mean nocturnal SpO2 between the night at 2850m prior to the descent to sea level (stay of 7 days at sea level in between) and the night at 2850m after re-ascent in patients with pulmonary arterial hypertension
From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Time spent with low SpO2 pre-descent and after re-ascent (2850m)
Zeitfenster: From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Difference/change in time spent with low SpO2 (< 90% and < 80%) between the night at 2850m prior to the descent to sea level (stay of 7 days at sea level in between) and the night at 2850m after re-ascent in patients with pulmonary arterial hypertension
From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Apnoea-Hypopnoea-Index AHI pre-descent and after re-ascent (2850m)
Zeitfenster: From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Difference/change in nocturnal apnoea-hypopnoea-index between the night at 2850m prior to the descent to sea level (stay of 7 days at sea level in between) and the night at 2850m after re-ascent in patients with pulmonary arterial hypertension
From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Oxygen-Desaturation-Index ODI pre-descent and after re-ascent (2850m)
Zeitfenster: From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Difference/change in nocturnal oxygen-desaturation-index between the night at 2850m prior to the descent to sea level (stay of 7 days at sea level in between) and the night at 2850m after re-ascent in patients with pulmonary arterial hypertension
From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Nocturnal cardiovascular autonomic control pre-descent and after re-ascent (2850m)
Zeitfenster: From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)
Difference/change in nocturnal cardiovascular autonomic control by heart rate (variability) between the night at 2850 prior to the descent to sea level (stay of 7 days at sea level in between) and the night at 2850m after re-ascent in patients with pulmonary arterial hypertension
From the night at 2850m prior to the descent, stay at sea level of one week in between to the night after re-ascent to 2850m (time frame approximately 11 days)

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Ermittler

  • Hauptermittler: Silvia Ulrich, University Hospital Zurich, Departement of Pulmonology
  • Hauptermittler: Rodrigo Hoyos, Hospital Carlos Andrade Marin of Quito, Ecuador

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

25. September 2026

Primärer Abschluss (Geschätzt)

4. Oktober 2026

Studienabschluss (Geschätzt)

31. Dezember 2026

Studienanmeldedaten

Zuerst eingereicht

17. August 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

31. August 2026

Zuerst gepostet (Tatsächlich)

3. September 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

3. September 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

31. August 2026

Zuletzt verifiziert

1. August 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • Ec_HAvsLA_sleep_PAH

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Beschreibung des IPD-Plans

Data will be provided upon request and based on a clear intention reviewed by an ethical review board.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .