Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 24, 2026, 3:33 AM EDT

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Showing 673–696 of 704 matching trials from the live ClinicalTrials.gov search.
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of High PCO2 Solution on Esophageal Acid Sensation

NCT01128608
Conditions
Gastroesophageal Reflux Disease
Interventions
24-Hr Esohpageal pH Monitoring, PCO2 Acid Perfusion and 0.1N HCI Perfusion
Procedure
Lead sponsor
Southern Arizona VA Health Care System
Federal
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Tucson, Arizona
Conditions
GERD, Gastroesophageal Reflux, Gastroparesis
Interventions
Domperidone
Drug
Lead sponsor
Jose Cocjin
Other
Eligibility
12 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2035
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Heartburn
Interventions
Panosyl-isomaltooligosaccharides (PIMO) 1g (1.4 ml), Placebo 1.4 ml
Dietary Supplement · Other
Lead sponsor
Microbiome Health Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Manassas, Virginia
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Standardizing Swallow Pressure Measurements

NCT07475091
Conditions
Dysphagia
Interventions
Laborie LMT Pharyngeal System (3.7 mm catheter), Medtronic ManoScan ESO HRM System (4.2 mm catheter)
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Laryngopharyngeal Reflux
Interventions
Aciphex
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Laryngomalacia, Acid Reflux, Stridor
Interventions
ranitidine or famotidine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
Up to 4 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Dysphagia Following Cerebrovascular Accident
Interventions
high intensity dysphagia therapy
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

Endoscopic Implantation of Enteryx for the Treatment of GERD

NCT00346905
Conditions
Gastroesophageal Reflux
Interventions
Enteryx
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial of PepZinGI® for Acute Heartburn Relief and Sleep Outcomes

NCT07379645
Conditions
Heartburn
Interventions
PepZinGI, Placebo
Dietary Supplement
Lead sponsor
NutriScience Innovations, LLC
Industry
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Completed No phase listed Observational Accepts healthy volunteers

Eating With Eosinophilic Esophagitis (EoE)

NCT03581838
Conditions
Eosinophilic Esophagitis (EoE)
Interventions
Observed eating session
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Dysphagia
Interventions
BION
Device
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Achalasia, Dysphagia
Interventions
Submucosal endoscopic myotomy with mucosal flap technique, Submucosal Endoscopic Mucosal Flap (SEMF) technique
Procedure
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Mineola, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigation of the Association Between Nasal Polyposis and Extraesophageal Reflux Disease

NCT00215787
Conditions
Nasal Polyps, Gastroesophageal Reflux
Interventions
lansoprazole
Drug
Lead sponsor
Head and Neck Surgery Associates
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Respiratory Aspiration of Gastric Contents
Interventions
Interview questionnaire, Gastric ultrasound exam
Behavioral · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Malignant Neoplasms of Lip Oral Cavity and Pharynx, Oropharyngeal Cancer
Interventions
Modified Barium Swallow (MBS), Swallowing Questionnaire, Symptom Questionnaire, Video-Strobe Procedure, MRI Guided Intensity Modulated Radiotherapy (IMRT) Planning, Standard-of-Care Intensity Modulated Radiotherapy (IMRT) Planning, Intensity Modulated Radiotherapy (IMRT)
Procedure · Behavioral · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Gastroesophageal Reflux Disease
Interventions
rabeprazole, pantoprazole
Drug
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Barretts Esophagus With Dysplasia
Interventions
Alginates
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Gastroesophageal Reflux
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
Up to 18 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Clinically Severe Obesity, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Fresno, California
Conditions
Down Syndrome, Dysphagia, Oropharyngeal
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
3 Years to 18 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Heartburn, Gastroesophageal Reflux Disease
Interventions
Dexlansoprazole
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Gastroparesis, GERD, Esophagitis, Dyspepsia, Chronic Idiopathic Constipation, Nausea, Vomiting
Interventions
Domperidone
Drug
Lead sponsor
Carle Physician Group
Individual
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Urbana, Illinois
Terminated Phase 1 Interventional Accepts healthy volunteers

Cromolyn Detection of Silent Aspiration

NCT01841307
Conditions
Gastroesophageal Reflux, Respiratory Aspiration, Idiopathic Pulmonary Fibrosis, Lung Transplantation
Interventions
Cromolyn Sodium
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Francisco, California
Conditions
Eustachian Tube Dysfunction, Chronic Otitis Media
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania