Clinical trials: Ventilation and Oxygenation
Morbid Obesity, Noninvasive Ventilation
Use of High Flow Nasal Cannula During Sedation of Morbidly Obese Patients in the Endoscopy Suite
This study evaluates the ability of high flow nasal cannula versus nasal cannula to oxygenate morbidly obese patients undergoing moderate to deep sedation for gastrointestinal procedures.
- Conditions
- Morbid Obesity, Noninvasive Ventilation, Deep Sedation
- Trial name
- NCT02859597
- Testing
- High flow nasal cannula, Nasal Cannula
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Critical Illness
Effect of Early Physical Exercise on Pulmonary Ventilation and Recruitment
In the critically patient bed rest and immobilization are some of the responsable of the development of respiratory complications.
- Trial name
- EFRA (NCT02226406)
- Testing
- A: Chair - Leg Cycle ergometer, B: Chair - Arm Cycle ergometer, C: Walk in place
- Where
- Belgium
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
High Altitude, Healthy Adult
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.
- Conditions
- High Altitude, Healthy Adult, Echocardiography, Pulmonary Resistance
- Trial name
- NCT07804485
- Testing
- Descent from 2850m to sea level
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Mechanically Ventilated Patients
Effect of ERCC and/or PEEP-ZEEP Maneuver on Oxygenation, Ventilation, and Airway Secretions Removal in MV Patients
Mechanical ventilation (MV) is crucial in managing respiratory insufficiency. However, prolonged use can cause complications. Various strategies have been explored to optimize patient outcomes.
- Trial name
- NCT06182553
- Testing
- Expiratory Rib Cage Compression, PEEP-ZEEP Maneuver, ERCC + PEEP-ZEEP maneuver
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Damanhour University
Generalized Anxiety Disorder, Oxygenation Sensitive CMR
BreathinG-induced Myocardial and Cerebral Perfusion in Anxiety Disorders
This study aims to view variations in MRI measurements of the heart and the brain in people with anxiety versus healthy volunteers.
- Trial name
- B-GLAD (NCT05574140)
- Testing
- Cardiac MRI
- Where
- Canada
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Coronary Artery Disease
Breathing-Induced Myocardial Oxygenation Reserve
This is a clinical trial to test the clinical feasibility and safety of a novel CMR protocol, combined with a specific breathing maneuver to identify myocardial regions exposed to severe coronary artery stenosis.
- Trial name
- B-MORE-Pilot (NCT03050346)
- Where
- 6 sites in United States, Canada and 3 more
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Esketamine, One-lung Ventilation
Effects of Esketamine on Oxygenation and Quality of Recovery in Patients Undergoing Thoracoscopic Surgery
A total of 126 patients undergoing elective thoracoscopic surgery under general anesthesia were randomly divided into three groups: normal saline group (Group C), dexmedetomidine group (Group D), and esketamine group (Group…
- Conditions
- Esketamine, One-lung Ventilation, Oxygenation Indices
- Trial name
- OLV;Esk (NCT06822088)
- Testing
- Esketamine, Dexmedetomidine, Normal Saline
- Where
- China
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Jinqiao Qian
Chronic Obstructive Pulmonary Disease, Muscle Oxygenation
The Effect of Clinical Parameters on Muscle Oxygenation in Patients With COPD
The aim of this study is to examine the peripheral muscle oxygenation of patients with Chronic Obstructive Pulmonary Disease at rest, during submaximal exercise and recovery, and to examine the effects of disease severity and…
- Conditions
- Chronic Obstructive Pulmonary Disease, Muscle Oxygenation, Disease Severity, Respiratory Function
- Trial name
- NCT06041126
- Where
- Turkey (Türkiye)
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Bandırma Onyedi Eylül University
Morbid Obesity, Bariatric Surgery Candidate
EPO2-PV: Evaluation of Pre-Oxygenation Conditions in Morbidly Obese Volunteer: Effect of Position and Ventilation Mode
The risk of complications associated with airway management in obese patients is significant. The results of pre-oxygenation allow a prolonged non-hypoxic apnea time for the clinician.
- Trial name
- EPO2-PV (NCT02121808)
- Testing
- NIPPV, Tidal volume
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Laval University
Smoking, Tobacco
Respiratory Function and Oxygenation in Smokers and Non-smokers
This study aimed to compare respiratory function, exercise capacity, and intercostal muscle oxygenation in healthy smokers and non-smokers.
- Trial name
- NCT07027956
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Kirsehir Ahi Evran Universitesi
Breast Cancer
Hyperventilation and Oxygenation to Prolong Breath Hold in Breast Cancer Irradiation Treatment
With the HOBBIT trial, the investigators want to develop a technology that allows volunteers to hold their breath for a long time.
- Trial name
- HOBBIT (NCT04091542)
- Testing
- Optiflow/Ventilator
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Apnea, Ventilation Therapy; Complications
THRIVE Apneic Ventilation With Standardized Airway Management During General Anesthesia.
Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) denotes the use of high-flow humidified nasal oxygen system (for example Optiflow®) as an alternative ventilation modality for an anesthetized patient without…
- Conditions
- Apnea, Ventilation Therapy; Complications, Respiratory Acidosis
- Trial name
- NCT03797859
- Testing
- Apneic ventilation
- Where
- 2 sites in Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hypoxic Pulmonary Vasoconstriction, Hypoxemia
Effects in Oxygenation and Hypoxic Pulmonary Vasoconstriction in ARDS Secondary to SARS-CoV2
Summary Currently, the COVID-19 pandemic has overtaken health systems worldwide, exceeding the capacity of intensive care units.
- Conditions
- Hypoxic Pulmonary Vasoconstriction, Hypoxemia, Acute Respiratory Distress Syndrome, SARS-CoV-2 Acute Respiratory Disease
- Trial name
- COVID-19 (NCT04998253)
- Testing
- Effects in oxygenation and hypoxic pulmonary vasoconstriction
- Where
- Mexico
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Unidad Temporal COVID-19 en Centro Citibanamex
COPD, One Lung Ventilation
Effects of Dexmedetomidine on Respiratory Mechanics and Oxygenation During One Lung Ventilation With Chronic Obstructive Lung Disease
COPD is often associated with the airflow limitation and the pulmonary hyperinflation. During the one-lung ventilation (OLV), COPD patients' physiologic dead space increases and hypercapnia may develop.
- Trial name
- NCT02185430
- Testing
- saline infusion, dexmedetomidine infusion
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Community Acquired Pneumonia, Respiration Failure
A Molecular Toolkit for the Microbial Investigation of Severe Community Acquired Pneumonia
Severe community acquired pneumonia is common and associated with high mortality. Conventional microbiological diagnostics identify pathogens in approximately half of cases, which is inadequate for both clinical and…
- Conditions
- Community Acquired Pneumonia, Respiration Failure, Pneumonia
- Trial name
- S-CAP (NCT02963142)
- Where
- United Kingdom
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hypoxia, High Altitude
Supraglottic Jet Oxygenation and Ventilation for Gastrointestinal Endoscopy at High-altitude
This study aims to determine whether the use of SOJV could reduce the rate of hypoxia during gastrointestinal endoscopic procedures in deeply sedated patients sedated at high altitude comparing to the supplemental oxygen…
- Trial name
- NCT05304923
- Testing
- Supraglottic jet oxygenation and ventilation, Nasal cannula oxygen supply
- Where
- China
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Thoracic Surgery
The Effect of Permissive Hypercapnia on Oxygenation and Post-operative Pulmonary Complication During One-lung Ventilation
Permissive hypercapnia increased the survival rate in patients with acute respiratory distress syndrome (ARDS) who required mechanical ventilation in critical care medicine.
- Trial name
- NCT04175379
- Testing
- group 40, group 50, group 60
- Where
- South Korea
- Volunteers
- 279 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Healthy, Healthy Adult
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 Healthy Individuals H
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 healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07801846
- Testing
- Descent and re-ascent (2850m, sea level)
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
High Altitude, Healthy
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…
- Conditions
- High Altitude, Healthy, Healthy Adult, High Altitude Effects
- Trial name
- NCT07804589
- Testing
- Re-Ascent from sea level to 2850m
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
One-Lung Ventilation, Thoracic Surgery
The Effect of Anesthesia on Cerebral Oxygenation
One-lung ventilation (OLV) may cause negative changes in the oxygenation of cerebral tissue which results in postoperative cognitive dysfunction.
- Conditions
- One-Lung Ventilation, Thoracic Surgery, Postoperative Cognitive Complications
- Trial name
- NCT04760262
- Testing
- Sevoflurane, Propofol
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Karadeniz Technical University