Clinical trials: Gas Exchange
Long COVID, Breathlessness
Long COVID and Post-exertional Pulmonary Diffusion
Aim of investigators was to study whether abnormalities of lung diffusing capacity for nitric oxide (DLNO) and carbon monoxide (DLCO) in long COVID may have a clinical impact in relation to exercise intolerance.
- Conditions
- Long COVID, Breathlessness, Exercise Intolerance, Alveolar Lung Disease
- Trial name
- Long_COVID_Ex (NCT05430503)
- Testing
- Lung volumes, spirometry and standard single-breath DLCO were measured at rest while combined DLNO and DLCO were measured at rest and post-exercise
- Where
- Italy
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Ventilator Lung, Gas Exchange
A Pilot Validation Study of Continuous CO2-based End-expiratory Lung Volume Measurements in Humans.
The capnodynamic method non-invasively calculates effective lung volume (ELV) continuously during surgery. In this study ELV is compared to functionalresidual capacity (FRC) measured with Nitrogen Multiple Breath Wash out (NMBW)…
- Conditions
- Ventilator Lung, Gas Exchange, Pulmonary Function
- Trial name
- ELVIS (NCT03501446)
- Where
- Sweden
- Volunteers
- 23 people
- Sponsor
- Karolinska Institutet
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension
Sildenafil Effects on Pulmonary Haemodynamics and Gas Exchange in Chronic Obstructive Pulmonary Disease (COPD)
Sildenafil is a phosphodiesterase-5 inhibitor that has been approved for the treatment of pulmonary arterial hypertension with orphan drug designation. Sildenafil modulates the nitric oxide (NO) pathway in the vessel wall.
- Trial name
- SIL-COPD-01 (NCT00491803)
- Testing
- Sildenafil
- Where
- Spain
- Volunteers
- 20 people
- Sponsor
- Hospital Clinic of Barcelona
Asthma
Zileuton and Exhaled Nitric Oxide in Asthmatics
Evaluate the additive role of zileuton 600mg qid to clinically stable asthmatics on Advair 250/50 bid. Since asthma is an endogenous inflammatory disease there usually is increased total exhaled, bronchial and alveolar nitric…
- Trial name
- NCT00575861
- Testing
- zileuton
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Gelb, Arthur F., M.D.
Artificial Respiration, Surgery
Effects of Mechanical Ventilation Guided by Transpulmonary Pressure on Gas Exchange During Robotic Surgery: a Pilot Study
Laparoscopy and robotic techniques are widespread procedures for pelvic gynecologic, urologic and abdominal surgery often performed in Trendelenburg position, with the application of pneumoperitoneum by inflating carbon dioxide.
- Conditions
- Artificial Respiration, Surgery, Atelectasis
- Trial name
- Vetrapo (NCT03153592)
- Testing
- Transpulmonary pressure driven ventilation strategy, Conventional ventilation strategy
- Where
- Italy
- Volunteers
- 28 people
- Sponsor
- Azienda Ospedaliero Universitaria Maggiore della Carita
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
Pathophysiology of Gas Exchange and Time Course Changes in Spontaneously Breathing Patients With Acute Respiratory Failure Due to COVID-19. A Multicenter Prospective Study.
The pathophysiology of SARS-COV-2 related respiratory disease is still poorly understood, especially in its most severe form called acute respiratory distress syndrome (ARDS).
- Trial name
- COVAQ (NCT05392062)
- Testing
- Pathophysiology of gas exchange
- Where
- France
- Volunteers
- 59 people
- Sponsor
- CHU de Reims
Acute Respiratory Distress Syndrome
Effects of SEvoflurane on Gas Exchange and Inflammation in Patients With ARDS (SEGA Study)
Numerous trials support the efficacy and safety of volatile anesthetic agents, namely inhalation of sevoflurane through dedicated devices, for the sedation of ICU patients.
- Trial name
- SEGA (NCT02166853)
- Testing
- sevoflurane, midazolam
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Clermont-Ferrand
Acute Lung Injury, Acute Respiratory Distress Syndrome
The Specific Lung Elastance in Acute Lung Injury/Acute Respiratory Distress Syndrome (ALI/ARDS) Patients in Supine and Prone Position
The investigators aim is to study the specific lung elastance in ALI/ARDS patients during invasive mechanical ventilation, in supine and prone position.
- Trial name
- NCT00568659
- Testing
- specific elastance
- Where
- Italy
- Volunteers
- 15 people
- Sponsor
- Policlinico Hospital
Avalanche Burial
Impact of CO2 Absorption on Gas Exchange and Ventilation Patterns While Breathing Into a Snow Air Pocket
Asphyxia is by far the most common cause of death after critical avalanche burial. The presence of an air pocket increases the survival chances, but expired air rich in carbon dioxide (CO2) progressively displaces oxygen (O2) in…
- Trial name
- AVACO2R (NCT06895759)
- Testing
- Soda lime
- Where
- Italy
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Institute of Mountain Emergency Medicine
Adult Respiratory Distress Syndrome
Prevention of Lung Injury Induced by Mechanical Ventilation in Acute Respiratory Distress Syndrome ARDS Patients
Given the huge volume of mechanically ventilated patients at risk of ARDS, optimizing hematosis by limiting pulmonary and systemic aggression associated with artificial ventilation techniques is a key objective if we are to…
- Trial name
- PULMODEL (NCT06835881)
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Gas Exchange, Lung Mechanics
Head Elevation in Prone Position
Semi-recumbent position leads to improvement of gas exchange and lung mechanics in patients suffering from ALI or ARDS. Prone positioning leads to similar effects.
- Trial name
- NCT00753129
- Testing
- Prone position with head elevation
- Where
- Austria
- Volunteers
- 20 people
- Sponsor
- Medical University of Vienna
Gas Exchange
High-Flow Nasal Cannula Versus Conventional Oxygen Therapy After Extubation in Liver Transplantation
Humidified oxygen therapy via high-flow nasal cannula (HFNC) is a recently available technique delivering heated and humidified high flow oxygen through simple nasal prongs.
- Trial name
- NCT03441854
- Testing
- HFNC group
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Lung Diffusion, Acute Respiratory Failure
Evaluation of Gas Exchange by the Measurement of Lung Diffusion for Carbon Monoxide During General Anaesthesia
Mechanical ventilation is a therapeutic method used in order to keep gas exchange adequate to cell metabolism in patients with acute respiratory failure.
- Trial name
- NCT01503879
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- San Gerardo Hospital
Lumbar Disc Herniation, Spinal Surgery
Comparison of 5 vs 8 cmH₂O PEEP on Respiratory Mechanics in Prone Lumbar Surgery
This randomized controlled clinical trial aims to compare the effects of two different positive end-expiratory pressure (PEEP) levels (5 cmH₂O and 8 cmH₂O) on respiratory mechanics in patients undergoing lumbar spine surgery in…
- Conditions
- Lumbar Disc Herniation, Spinal Surgery, Prone Position, General Anesthesia
- Trial name
- PROPEEP (NCT07545733)
- Testing
- Mechanical Ventilation (PEEP)
- Volunteers
- 60 people
- Sponsor
- Harran University
Work of Breathing, ARDS
Breathing Pattern, WOB and Gas Exchange in Patients With Acute Respiratory Distress Syndrome During the Spontaneous Breathing Trial
There is little evidence about the mechanical characteristics and muscular function in patients with Acute Respiratory Distress Syndrome (ARDS) at the time of weaning of the mechanical ventilation, as well as the behavior of the…
- Conditions
- Work of Breathing, ARDS, Weaning Failure
- Trial name
- NCT04209270
- Where
- Argentina
- Volunteers
- 37 people
- Sponsor
- Sanatorio de la Trinidad Mitre
ARDS
Gas Exchange and CT Effects of PEEP in ARDS
The study aims to investigate the association between effects of PEEP on gas exchange model parameters and CT scan results
- Trial name
- NCT04067154
- Testing
- ALPE
- Where
- Italy
- Volunteers
- 13 people
- Sponsor
- Policlinico Hospital
Gastroscopy
High Flow Nasal Cannula in Patients Undergoing Gastroscopy
During gastroscopy, the insertion of the fiberscope and gastric distension required to perform the examination may induce modifications to respiratory mechanics, respiratory effort and breathing pattern.
- Trial name
- NCT05693298
- Testing
- High Flow Nasal Cannula, Conventional Oxygen Therapy
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- University Magna Graecia
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
Positive Pressure Ventilation
Flow- Versus Volume-controlled Ventilation During Robot-assisted Laparoscopic Radical Prostatectomy
During robot-assisted laparoscopic radical prostatectomy (RALRP), patients are placed under general anesthesia and supported with mechanical ventilation.
- Trial name
- NCT07453810
- Testing
- Flow-Controlled Ventilation, Volume-Controlled Ventilation
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Ankara Etlik City Hospital