Clinical trials: Carbon Dioxide Pressure
Manual Pressure, Repositioning
Water Exchange and CO2 Insufflation With Abdominal Compression Device to Reduce Manual Assistance
The goal of this trial is to evaluate whether water exchange colonoscopy and CO2-insufflation colonoscopy with an abdominal compression device (Maxbelt me3 type, Nippon Sigmax Co., Tokyo, Japan) can achieve a significantly lower…
- Conditions
- Manual Pressure, Repositioning, Colonoscopy, Colon Polyp
- Trial name
- NCT06496958
- Testing
- CO2 insufflation with an abdominal compression device, Water exchange colonoscopy
- Where
- 2 sites in Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Evergreen General Hospital, Taiwan
Endothelial Dysfunction, FMD
Role of Oxygen for Vascular Dysfunction
Hypoxemia may contribute increased morbidity and mortality in chronic obstructive pulmonary disease (COPD) patients. We aim to characterize the role of acute and chronic hypoxemia for vascular function.
- Conditions
- Endothelial Dysfunction, FMD, IMT, Microcirculation
- Trial name
- NCT02127333
- Where
- Germany
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Klinik für Kardiologie, Pneumologie und Angiologie
Healthy, Cyclists
Effects of Contemporary Cycling Saddle Designs on Penile Transcutaneus Oxygen and Carbon Dioxide Levels in Elite Road Cyclists Riding on a Stationary Trainer
Aim of this research is to compare novel 3D printed cycling saddle with the bestselling saddles from two major cycling manufacturers in terms of effects on penile blood gasses and update these findings on current style of racing…
- Conditions
- Healthy, Cyclists, Blood Gas Monitoring, Transcutaneous, Penile Numbness
- Trial name
- EC-SADDLE (NCT05887193)
- Testing
- Biothesiometry, Transcutaneous blood gas monitoring, Cycling on a home trainer
- Where
- Czechia
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Milan Martínek
Accuracy of the SofTouch Device Measuring Blood Glucose and Other Parameters
A Comparative Study of the SoftTouch Non-Invasive Finger-Mounted Device
1. Aim: SoftTouch is a non-invasive device intending for use in the temporarily quantitative measurement of peripheral blood biomarkers.
- Trial name
- NCT00712361
- Testing
- Non Invasive peripheral blood screening (Cnoga Medical Ltd.,SofTouch,OnlyTouch, CM-CL-R-007, CMC 07015922,HT 4502, HTA 4502)
- Where
- 4 sites in Israel
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Cnoga Medical Ltd.
Healthy, Blood Pressure
Capnogram and Fluid Responsiveness
Predicting fluid responsiveness in critically ill patients is of paramount importance. It can help define an adequate fluid balance.
- Trial name
- NCT03788707
- Testing
- Passive leg raising
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Augusta University
Gynecologic Diseases
AirSeal®Insufflation Trocar/CO2 Absorption Study
The purpose of this study is to compare carbon dioxide (CO2) absorption during gynecologic laparoscopy using the AirSeal® valveless trocar system versus standard insufflation trocars at intra-abdominal pressures of 10 and 15…
- Trial name
- NCT02654808
- Testing
- AirSeal trocar, Standard trocar
- Where
- United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Columbia University
CO2 Clearance, Mask Comfort
Noninvasive Ventilation Masks Carbon Dioxide Clearance in Normal Volunteers
This study will be a randomized crossover trial that will be conducted at Rush University. The study will be conducted with 20 healthy volunteers who will be placed on ICU ventilator operating in the NIPPV mode.
- Conditions
- CO2 Clearance, Mask Comfort, Rebreathing Exhaled Gas
- Trial name
- NCT03882723
- Testing
- Evaluated 4 masks used for NIV with mechanical ventilators
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 2 of 7)
NOTE: This is the second of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02882529
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Acid-Base Imbalance, Respiratory Acidosis
Non Carbonic Buffer Power of Critical Ill Patients With Sepsis
Alterations of acid-base equilibrium are very common in critically ill patients and understanding their pathophysiology can be important to improve clinical treatment.
- Conditions
- Acid-Base Imbalance, Respiratory Acidosis, Respiratory Alkalosis
- Trial name
- NCT03503214
- Testing
- In vitro determination of non-carbonic buffer power, Classic description of acid-base status
- Where
- Italy
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 3 of 7)
NOTE: This is the third of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02882542
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Bern
Healthy
Studying Physiological and Anatomical Cerebral Effects of Carbon Dioxide and Tilt
The purpose of this study is to study the effects of carbon dioxide combined with head down tilt on cerebral physiology and anatomy.
- Trial name
- SPACE-COT (NCT02493985)
- Testing
- 0.5% CO2, ambient air
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 7 of 7)
NOTE: This is the seventh of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919137
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Bern
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 5 of 7)
NOTE: This is the fifth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919189
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Magnetic Resonance Imaging, Cerebrovascular Circulation
Brain Blood Vessel Responses to Changes in Blood Flow
Brain blood flow will be measured during a simulated postural change test and while breathing increased levels of carbon dioxide using magnetic resonance imaging.
- Trial name
- NCT06629077
- Testing
- MRI, Prazosin
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 1 of 7)
NOTE: This is the first of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02882516
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Bispectral Index, Transcutaneous Carbon Dioxide
Compare the Side Effects and Difference Awake Level of Three TCI Propofol Formula in TVOR Patients
This study is to find the fewer side effects formula of anesthesia for TVOR patients, to compare the BIS level during emergence and to find the correlation between BIS and transcutaneous carbon dioxide concentration.
- Conditions
- Bispectral Index, Transcutaneous Carbon Dioxide, PONV, Blood Pressure
- Trial name
- NCT00760253
- Where
- Taiwan
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 4 of 7)
NOTE: This is the fourth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919228
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Magnetic Resonance Imaging, Cerebrovascular Circulation
Brain Blood Vessel Responses to Changes in Blood Flow: Younger Cohort
Brain blood flow will be measured during a simulated postural change test and while breathing increased levels of carbon dioxide using magnetic resonance imaging.
- Trial name
- NCT06629090
- Testing
- MRI, Prazosin
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Ventilation, Bariatric Surgery
Effects of Different Anesthesia Machine Modalities on Bariatric Surgery Patients: a Prospective Randomized Controlled Study
The goal of this clinical trial is to explore the clinical significance and value of the PRVC ventilation mode in Bariatric Surgery Patients.
- Conditions
- Ventilation, Bariatric Surgery, Intracranial Pressure, Carbon Dioxide
- Trial name
- NCT06547411
- Testing
- PC Ventilation mode, VC Ventilation mode, PRVC Ventilation mode
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Yu-Long Jia
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 6 of 7)
NOTE: This is the sixth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919163
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern