Clinical trials: Gas Exchange
COPD
Effects of Bevespi on Ventilation and Gas Exchange Abnormalities in COPD Assessed by 129Xe MRI
The purpose of this study is to determine whether the new inhaler, Bevespi improves lung function. Magnetic resonance imaging (MRI) using inhaled hyperpolarized 129Xe gas, that can provide useful images of the functioning of the…
- Trial name
- COPD (NCT03324607)
- Testing
- hyperpolarized 129Xe gas MRI, Bevespi Aerosphere
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Bastiaan Driehuys
Hypertension, Pulmonary, Altitude Sickness
Efficacy Study of Riociguat and Its Effects on Exercise Performance and Pulmonary Artery Pressure at High Altitude
During ascent to high altitude there is a physiologic response to hypoxia that results in an elevated pulmonary arterial pressure associated with decreased exercise performance, altitude-induced pulmonary hypertension, and high…
- Trial name
- NCT02024386
- Testing
- Riociguat
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Richard Moon
Chronic Obstructive Pulmonary Disease
QVA Mechanistic Efficacy Study (Receptor Effects, Etc)
The purpose of this study was to assess global ventilated lung volume in moderate to severe COPD patients using MRI lung imaging after treatment with QVA149 compared to placebo.
- Trial name
- NCT02634983
- Testing
- QVA149
- Where
- 3 sites in United Kingdom
- Volunteers
- 31 people
- Sponsor
- Novartis Pharmaceuticals
Hypertension, Pulmonary, Pulmonary Disease, Chronic Obstructive
Single Dose Study in Patients With Chronic Obstructive Pulmonary Disease (COPD) Associated Pulmonary Hypertension.
This study is to demonstrate the safety, tolerability, pharmakokinetic and pharmacodynamic effect of a single oral dose of BAY63-2521 in patients with pulmonary hypertension due to chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT00640315
- Testing
- Riociguat (Adempas, BAY63-2521) 1.0 mg, Riociguat (Adempas, BAY63-2521) 2.5 mg
- Where
- 7 sites in Germany
- Volunteers
- 23 people
- Sponsor
- Bayer
Methods of Exercise in Children
Gas Exchange Kinetics and Work Load During Exercise
The purpose of this research study is to understand how different kinds of exercise affect the human body and the health of the heart and lungs.Participants will exercise in different protocols on a bicycle ergometer or…
- Trial name
- NCT03770507
- Testing
- Exercise Training
- Where
- United States
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Autoimmune Pulmonary Alveolar Proteinosis
Inhaled GM-CSF Therapy of Autoimmune PAP
This is a prospective, randomized, open-label, long-term, phase 2 study of inhaled granulocyte/macrophage-colony stimulating factor following whole lung lavage therapy in patients with autoimmune pulmonary alveolar proteinosis.
- Trial name
- NCT00901511
- Testing
- Baseline WLL, Sargramostim, Rescue WLL
- Where
- Italy
- Volunteers
- 18 people
- Sponsor
- Fondazione IRCCS Policlinico San Matteo di Pavia
Respiratory Insufficiency, Sleep Disordered Breathing
Adjustment of Mask Pressure, for Bilevel Positive Airways Pressure Therapy, by Automated Algorithm
The aim of the study is to test the hypothesis that an automated algorithm for desired mask pressure improves breathing pattern and sleep quality in patients with hypercapnic ventilatory failure.
- Trial name
- NCT01403584
- Testing
- AutoVPAP with addition of AutoEPAP, AutoVPAP with EPAP manually selected
- Where
- Germany
- Volunteers
- 21 people
- Sponsor
- ResMed
Interstitial Lung Diseases
Optimizing and Standardizing 129Xe Gas Exchange MRI to Visualize Regional Therapy Response in Interstitial Lung Disease
The purpose of this multi-centered, NIH-sponsored study is to develop an optimal protocol for using noninvasive 129Xe gas exchange MRI to detect changing disease activity in interstitial lung diseases (ILDs).
- Trial name
- NCT04855305
- Testing
- Hyperpolarized 129Xe
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Bastiaan Driehuys
Esophageal Neoplasm
Volume Restriction in Esophageal Carcinoma Surgery: Randomized Clinical Trial
An exploratory single-centre randomized clinical trial was performed in order to investigate whether the fluid volume administered during esophageal carcinoma surgery affects pulmonary gas exchange and tissue perfusion.
- Trial name
- NCT02033213
- Testing
- Restrictive group, Liberal group
- Where
- Croatia
- Volunteers
- 16 people
- Sponsor
- Klinički Bolnički Centar Zagreb