Assessment of Lung Function (Lufu) at Sea Level LA vs. High Altitude HA in Patients With Pulmonary Arterial Hypertension PAH
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
Przegląd badań
Status
Status
Warunki
Warunki
Interwencja / Leczenie
Interwencja / Leczenie
Szczegółowy opis
Typ studiów
Typ studiów
Zapisy (Szacowany)
Zapisy
Faza
Faza
- Nie dotyczy
Kontakty i lokalizacje
Kontakt w sprawie studiów
Kontakt w sprawie studiów
- Nazwa: Silvia Ulrich, Prof. Dr. med.
- Numer telefonu: +41442552220
- E-mail: silvia.ulrich@usz.ch
Kopia zapasowa kontaktu do badania
- Nazwa: Michael Furian, Prof. Dr. sc. ETH
- Numer telefonu: +41442552220
Lokalizacje studiów
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Zurich, Szwajcaria, 8091
- University Hospital of Zurich
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Kryteria uczestnictwa
Kryteria kwalifikacji
Kryteria kwalifikacji
Wiek uprawniający do nauki
- Dorosły
- Starszy dorosły
Akceptuje zdrowych ochotników
Opis
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)
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie podtrzymujące
- Przydział: Nie dotyczy
- Model interwencyjny: Zadanie dla jednej grupy
- Maskowanie: Brak (otwarta etykieta)
Liczba ramion
Broń i interwencje
Grupa uczestników / ArmGrupa uczestników / Arm |
Interwencja / LeczenieInterwencja / Leczenie |
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Eksperymentalny: Lung function at sea level and at 2850m
Assessment of lung function and pulmonary resistance/reactance on day four at sea level (after prior descent from 2850m) and after re-ascent (after totally one week at sea level) back to 2850m by bus (in one day)
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Descent from 2850m to sea level with a stay for 7 days and re-ascent/return back to their usual living altitude at 2850m
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Co mierzy badanie?
Podstawowe miary wyniku
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
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FEV1 after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Difference/change in forced expiratory volume in one second FEV1 between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Miary wyników drugorzędnych
Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
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Forced Vital Capacity FVC after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Difference/change in forced vital capacity FVC between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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FEV1/FVC after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Difference/change in FEV1/FVC between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Respiratory Impedance (forced oscillation technique) after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Difference/change in respiratory impedance (forced oscillation technique) between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Respiratory resistance (forced oscillation technique) after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
|
Difference/change in respiratory resistance (forced oscillation technique) between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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Respiratory reactance (forced oscillation technique) after re-ascent to 2850m
Ramy czasowe: From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
|
Difference/change in respiratory reactance (forced oscillation technique) between sea level (measurement on the 4th day) and day after re-ascent to 2850m in patients with pulmonary arterial hypertension
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From Day 4 at sea level to the day after re-ascent (Day 9: approximately 6 days)
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FEV1 after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Difference/change in FEV1 between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Forced Vital Capacity FVC after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Difference/change in forced vital capacity FVC between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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FEV1/FVC after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Difference/change in FEV1/FVC between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Respiratory Impedance (forced oscillation technique) after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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Difference/change in respiratory impedance (forced oscillation technique) between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
|
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Respiratory resistance (forced oscillation technique) after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
|
Difference/change in respiratory resistance (forced oscillation technique) between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
|
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Respiratory reactance (forced oscillation technique) after 4 days at sea level
Ramy czasowe: From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
|
Difference/change in respiratory reactance (forced oscillation technique) between 2850m (prior to descent) and day 4 at sea level in patients with pulmonary arterial disease
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From high altitude (Day 0, 2850m) to day 4 at sea level (approximately 5 days)
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FEV1 pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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Difference/change in FEV1 at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial disease
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Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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Forced Vital Capacity FVC pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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Difference/change in forced vital capacity FVC at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial hypertension
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Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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FEV1/FVC pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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Difference/change in FEV1/FVC at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial hypertension
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Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
|
Respiratory Impedance (forced oscillation technique) pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
Difference/change in respiratory impedance (forced oscillation technique) at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial hypertension
|
Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
|
Respiratory resistance (forced oscillation technique) pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
Difference/change in respiratory resistance (forced oscillation technique) at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial hypertension
|
Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
|
Respiratory reactance (forced oscillation technique) pre-descent and after re-ascent (2850m)
Ramy czasowe: Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
|
Difference/change in respiratory reactance (forced oscillation technique) at 2850m with a one-week stay at sea level in between (day pre-descent vs. day after re-ascent) in patients with pulmonary arterial hypertension
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Baseline at 2850m followed by a one-week stay at sea level to the day after re-ascent back to 2850m (time frame approximately 11 days)
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Współpracownicy i badacze
Sponsor
Sponsor
Śledczy
Śledczy
- Główny śledczy: Silvia Ulrich, University Hospital Zurich, Departement of Pulmonology
- Główny śledczy: Rodrigo Hoyos, Hospital Carlos Andrade Marin of Quito, Ecuador
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów (Szacowany)
Rozpoczęcie studiów
Zakończenie podstawowe (Szacowany)
Zakończenie podstawowe
Ukończenie studiów (Szacowany)
Ukończenie studiów
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Rzeczywisty)
Pierwszy wysłany
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
Ostatnia wysłana aktualizacja
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
Inne numery identyfikacyjne badania
- Ec_LAvsHA_Lufu_PAH
Plan dla danych uczestnika indywidualnego (IPD)
Planujesz udostępniać dane poszczególnych uczestników (IPD)?
Opis planu IPD
Informacje o lekach i urządzeniach, dokumenty badawcze
Bada produkt leczniczy regulowany przez amerykańską FDA
Bada produkt urządzenia regulowany przez amerykańską FDA
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