Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cholestasis
Interventions
CO2 insufflation, Room air insufflation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Upper Airway Surgery
Interventions
Hi-VNI
Device
Lead sponsor
Natasha Mirza
Other
Eligibility
22 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Children
Interventions
each child will receive both the LMA and ILA
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Months to 36 Months
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness and Safety of the Colonoscopy With "Visualization" Balloon

NCT02117232
Conditions
Colonic Adenomatous Polyps
Interventions
Visualization balloon, Traditional CO2 insufflation colonoscopy
Device
Lead sponsor
Mercy Medical Center
Other
Eligibility
17 Years to 90 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional

U-POEM vs CO2-POEM

NCT06918730
Conditions
Esophageal Motility Disorders
Interventions
U-POEM, CO2-POEM
Procedure
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Laparoscopic Surgery
Interventions
Carbon dioxide, Bupivacaine, Oxycodone
Other · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Not listed Not applicable Interventional Accepts healthy volunteers

Adenoma Detection Rate in Water and Air Colonoscopy Using Computer-aided System

NCT05448300
Conditions
Colon Adenoma, Colonoscopy
Interventions
Colonoscopy with water exchange or air insufflation methods
Device
Lead sponsor
Dalin Tzu Chi General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Colon Polyp
Interventions
Water method and chromoendoscopy, Water method
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
50 Years to 75 Years
Enrollment
1,177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Mather, California
Conditions
COPD
Interventions
Oxygen, High flow of room air
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

ALS and Airway Clearance (ALSAC) Therapy

NCT04947436
Conditions
Amyotrophic Lateral Sclerosis, Respiratory Muscle Weakness
Interventions
High Frequency Chest Wall Oscillation, Mechanical insufflation/exsufflation
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

RCT of Air Insufflation Versus Water Infusion Colonoscopy

NCT00785889
Conditions
Colorectal Cancer
Interventions
water infusion colonoscopy
Procedure
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
45 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Mather, California
Conditions
Abdominal Pain
Interventions
Carbon dioxide method, Water Exchange-CO2, Water Exchange-AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

THRIVE Use in Pediatric Populations- Multi Site

NCT04322994
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
Transnasal Humidified Rapid-Insufflation Ventilatory Echange
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
Palo Alto, California • Chicago, Illinois • Boston, Massachusetts + 2 more
Conditions
Carbon Dioxide Insufflation, Anterograde Single Balloon Enteroscopy
Interventions
carbon dioxide insufflation, Air insufflation
Other
Lead sponsor
North Eastern Ohio Gastroenterology and Endoscopy center
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Warren, Ohio
Conditions
Bronchoscopy
Interventions
THRIVE, Endotracheal tube or Supraglottic airway
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Stanford, California
Conditions
Bariatric Surgery
Interventions
Warm humidified CO2, Dry CO2
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Houston, Texas
Conditions
Laparoscopic Surgery
Interventions
Blunt fascial abdominal entry, Veress needle abdominal entry
Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Terminated Not applicable Interventional Results available

Ultralow Versus Standard Pneumoperitoneum Pressure

NCT03630393
Conditions
Prostate Cancer
Interventions
Pneumoperitoneum Pressure 6 mmHg, Pneumoperitoneum Pressure 15 mmHg
Other
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older · Male only
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Shoulder Pain
Interventions
SurgiQuest AIRSEAL® Insufflation System (AIS)
Device
Lead sponsor
Cynthia Harris
Industry
Eligibility
18 Years to 80 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Miami, Florida
Conditions
Adenoma
Interventions
Air insufflation, water immersion, water exchange
Procedure
Lead sponsor
Dalin Tzu Chi General Hospital
Other
Eligibility
20 Years to 80 Years
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
North Hills, California
Conditions
Obstructive Sleep Apnea
Interventions
Trans Nasal Insufflation (TNI) [nasal canula]
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Infant, Premature, Neonatal Respiratory Distress, Oxygen Saturation, Bronchopulmonary Dysplasia
Interventions
Automated Control, Manual Control
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Salt Lake City, Utah • Seattle, Washington
Conditions
Pelvic Organ Prolapse
Interventions
Insufflation during surgery
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Detroit, Michigan