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Showing 1–24 of 720 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Deglutition Clear all
Completed No phase listed Observational Accepts healthy volunteers

To Determine if Sleep Deprivation Results in Increased Esophageal Acid Exposure

NCT01093339
View directory record Official record
Conditions
Gastroesophageal Disease
Interventions
Not listed
Lead sponsor
Southern Arizona VA Health Care System
Federal
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 18, 2010 · Synced Jul 23, 2026, 7:42 PM EDT
Withdrawn Phase 4 Interventional

Effect of PEM Treatment of Superficial Axial and Tributary Vein Reflux on Improvement of Wound Healing in VLUs

NCT02988063
View directory record Official record
Conditions
Leg Ulcer, Veins, Varicose, Venous Ulcer, Reflux, Venous Reflux, Venous Leg Ulcer, Varicose Veins, Varicose Ulcer, Varicose Veins Leg
Interventions
Polidocanol Endovenous Microfoam (PEM)
Drug
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Not applicable Interventional

Tolerability Study of a Novel Microbiome Therapeutic in Subjects With Gastroesophageal Reflux Disease

NCT04491734
View directory record Official record
Conditions
Gastroesophageal Reflux
Interventions
maltosyl-isomalto-oligosaccharides (MIMO)
Dietary Supplement
Lead sponsor
ISOThrive Inc.
Industry
Eligibility
25 Years to 75 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Manassas, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced Jul 23, 2026, 7:42 PM EDT
Terminated Not applicable Interventional Results available

Rapid Assessment of Esophageal Adenocarcinoma Risk Test

NCT03366012
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Adenocarcinoma
Interventions
Cytosponge
Device
Lead sponsor
Columbia University
Other
Eligibility
50 Years to 75 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Jul 23, 2026, 7:42 PM EDT
Terminated Phase 4 Interventional Results available

Use of Xtampza ER to Overcome Difficulties in Swallowing Opioid Pills

NCT03588806
View directory record Official record
Conditions
Chronic Pain, Opioid Use, Deglutition
Interventions
Xtampza ER (oxycodone)
Drug
Lead sponsor
Ajay Wasan, MD, Msc
Other
Eligibility
21 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Jul 23, 2026, 7:42 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Nasopharyngeal 24 Hour pH Monitoring in Health Adult Volunteers

NCT00584675
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Dx-pH Measurement Probe
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2015 · Synced Jul 23, 2026, 7:42 PM EDT
Recruiting No phase listed Observational

Oral and Swallowing Function in Older Adults

NCT06368830
View directory record Official record
Conditions
Oropharyngeal Dysphagia
Interventions
3-ounce water swallow test, Kayser-Jones Brief Oral Health Status Examination (BOHSE), Tongue pressure, Test of Masticating and Swallowing Solids (TOMASS), Respiratory function tests
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 23, 2026, 7:42 PM EDT
Terminated Early Phase 1 Interventional

Mirabegron in Achalasia: A Clinical and Manometric Proof of Concept Pilot Study

NCT03411252
View directory record Official record
Conditions
Achalasia
Interventions
Mirabegron 50 MG, Placebo
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Jul 23, 2026, 7:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Eating With Eosinophilic Esophagitis (EoE)

NCT03581838
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Not applicable Interventional

The Role That Peroral Endoscopic Myotomy (POEM) Could Play in the Treatment of Achalasia

NCT01584635
View directory record Official record
Conditions
Achalasia
Interventions
Peroral Endoscopic Myotomy a less invasive treatment for Achalasia
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Jul 23, 2026, 7:42 PM EDT
Recruiting No phase listed Observational

Prospective Evaluation of the Clinical Utility of Peroral Endoscopic Myotomy for Gastrointestinal Motility Disorders

NCT05905016
View directory record Official record
Conditions
Achalasia, Esophageal Spasm, Diffuse, Gastroparesis, Swallowing Disorder, Zenker Diverticulum
Interventions
Not listed
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jul 23, 2026, 7:42 PM EDT
Completed No phase listed Observational

Voice and Swallowing Outcomes Following Revision Anterior Cervical Spine Surgery

NCT01017055
View directory record Official record
Conditions
Dysphagia, Dysphonia
Interventions
Voice and Swallowing evaluations
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 23, 2026, 7:42 PM EDT
Withdrawn Not applicable Interventional

HLT® Meridian® TAVR Valve System Early Feasibility Study for Aortic Regurgitation

NCT05409378
View directory record Official record
Conditions
Aortic Regurgitation
Interventions
The HLT® Meridian® TAVR Valve (Meridian® with TriVentTM Anticalcification Treatment Valve and Pathfinder® Delivery System)
Device
Lead sponsor
HLT Inc.
Industry
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Chicago, Illinois • Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Jul 23, 2026, 7:42 PM EDT
Terminated Not applicable Interventional Results available

Effect of Acid Suppression Medication on Pediatric Microbiome

NCT02016820
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Omeprazole (suspension), Lifestyle Modification
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
0 Years to 4 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Phase 2 Interventional Results available

Respiratory-Swallow Training in Veterans With Oropharyngeal Cancer

NCT01032928
View directory record Official record
Conditions
Oropharyngeal Dysphagia, Oropharyngeal Cancer
Interventions
Respiratory-Swallow Phase training
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 31, 2014 · Synced Jul 23, 2026, 7:42 PM EDT
Completed No phase listed Observational

Laparoscopic Revision of Vertical Banded Gastroplasty to Gastric Bypass

NCT01041131
View directory record Official record
Conditions
Clinically Severe Obesity, Inadequate Weight Loss, Obesity Recidivism
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 31, 2009 · Synced Jul 23, 2026, 7:42 PM EDT
Active, not recruiting No phase listed Observational

Outcomes After Medical and Surgical Treatment of Gastroesophageal Reflux Disease

NCT00260572
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Questionnaires to evaluate QOL, Questionnaires to evaluate heartburn and quality of life, Questionnaire to evaluate satisfaction with treatment, Questionnaire to evaluate presence or absence of pain
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2050
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Phase 2 Interventional Results available

Magnesium for Peroral Endoscopic Myotomy

NCT04638881
View directory record Official record
Conditions
Esophageal Spasm
Interventions
Magnesium sulfate, Normal Saline
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jul 23, 2026, 7:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Movement of Epiglottis During Swallowing

NCT00475943
View directory record Official record
Conditions
Deglutition, Dysphagia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Phase 2Phase 3 Interventional

Laryngopharyngeal Reflux and Proton Pump Inhibitor (PPI) Treatment

NCT00204698
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 15, 2008 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Phase 2 Interventional Results available

A Comparison of an Implanted Neuroprosthesis With Sensory Training for Improving Airway Protection in Chronic Dysphagia

NCT00376506
View directory record Official record
Conditions
Chronic Dysphagia, Multiple Sclerosis, Parkinson Disease
Interventions
Neurostimulation device for dysphagia, External vibrotactile device
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Jul 23, 2026, 7:42 PM EDT
Terminated Not applicable Interventional

A Trial of Thickened Feeds to Treat Gastroesophageal Reflux in Children Admitted After Choking Spell

NCT03130543
View directory record Official record
Conditions
Apparent Life Threatening Event, Gastroesophageal Reflux, Aspiration
Interventions
Rice cereal, Enfamil AR
Dietary Supplement
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Years to 1 Year
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Jul 23, 2026, 7:42 PM EDT
Completed No phase listed Observational

Proton Pump Inhibitor (PPI) Responsive Eosinophilic Esophagitis EoE: Gastroesophageal Reflux Disease (GERD) or Eosinophilic Esophagitis (EoE)?

NCT01865825
View directory record Official record
Conditions
Erosive Esophagitis
Interventions
Esophageal Barium Xray
Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Jul 23, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

No Post Intubation Laryngeal Symptoms

NCT05383417
View directory record Official record
Conditions
Sore-throat, Dysphonia, Dysphagia, Intubation Complication, Anesthesia Intubation Complication, Anesthesia Morbidity, Anesthesia Complication, Anesthesia; Adverse Effect, Anesthesia; Reaction, Throat Disorder, Throat; Wound, Throat Injury
Interventions
EndoClip
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 23, 2026, 7:42 PM EDT