Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 11:13 AM EDT

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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Gastroparesis
Interventions
SmartPill Monitoring System
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 80 Years
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
11
States / cities
Palo Alto, California • Largo, Florida • Miami, Florida + 8 more
Conditions
Does the Vagus Nerve Mediate the Effects of Xenin-25
Interventions
Graded Glucose Infusion with Placebo, Graded Glucose Infusion with GIP Alone, Graded Glucose Infusion with xenin-25 alone, Graded Glucose Infusion with GIP plus xenin-25, Meal Tolerance Test with Placebo, Meal Tolerance Test with xenin-25
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

How do You Take Your Coffee Before Anesthesia

NCT04786691
Conditions
Anesthesia, Aspiration, Fasting
Interventions
Addition of half and half to coffee, Addition of non-dairy creamer to coffee, Black
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Obesity, Weight Loss, Delayed Gastric Emptying Following Procedure, Obesity, Mild, Obesity, Morbid, Obesity; Excess Calories
Interventions
Bariatric Endoscopic Antral Myotomy
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Gastroparesis
Interventions
GSK962040 (5 mg tablet), GSK962040 (25 mg tablet), GSK962040 (125 mg tablet), Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
9
States / cities
Concord, California • Indianapolis, Indiana • Chevy Chase, Maryland + 6 more
Conditions
Gastric Emptying, Gastroparesis
Interventions
Gastric emptying test
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Weight Loss
Interventions
NSSM and GEBT
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Rochester, Minnesota
Terminated Not applicable Interventional Accepts healthy volunteers

13C-Spirulina Nitrogen Content GEBT Study

NCT04635306
Conditions
Gastroparesis
Interventions
Approved GEBT test meal
Diagnostic Test
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

ABCA2 GIRMS Analytical Validation Clinical Performance Study

NCT04607304
Conditions
Gastroparesis
Interventions
ABCA2 GIRMS
Device
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

GEBT Lot-to-Lot and Biological Variability

NCT04772261
Conditions
Gastroparesis
Interventions
13C-Spirulina GEBT
Diagnostic Test
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Brentwood, Tennessee
Conditions
Type 2 Diabetes Mellitus, Obese, Overweight
Interventions
Gastric Emptying test, Mixed Oral Glucose Tolerance test, Conjugated bile acids sodium, Placebo
Radiation · Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Gastrointestinal Dysfunction, Mitochondrial Disorders
Interventions
gastric emptying scan
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Years to 18 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Houston, Texas
Conditions
Obesity, Obesity, Morbid, Obesity, Primary, Metabolic Disease, Delayed Gastric Emptying Following Procedure
Interventions
PSAM Treatment Patients
Procedure
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Slowly Digestible Carbohydrates on the Gut-brain Axis

NCT05349903
Conditions
Appetitive Behavior, Obesity, Diabetes Mellitus, Type 2
Interventions
Rice flour, Alternanoligosaccharide 15, Inulin, Waxy potato starch, Waxy potato starch + epigallocatechin gallate (EGCG), Chickpea flour + epigallocatechin gallate (EGCG)
Other
Lead sponsor
Purdue University
Other
Eligibility
22 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Oxybutynin Topical Gel on Gastric Emptying

NCT00926926
Conditions
Healthy
Interventions
Oxybutynin Chloride Gel, Placebo Gel
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Saint Charles, Missouri
Conditions
Diabetes, Immunosuppression
Interventions
Gastric emptying test
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Dyspepsia
Interventions
Alimetry, tVNS, Gastroduodenal Manometry
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Vagal Nerve Stimulation for Gastroparesis

NCT03120325
Conditions
Gastroparesis
Interventions
Vagal Nerve Stimulation
Device
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Redwood City, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

GEBT Telehealth Administration Usability Study

NCT04684992
Conditions
Gastroparesis
Interventions
GEBT Telehealth Administration Usability
Device
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Conditions
Gastroparesis
Interventions
13C-Spirulina Gastric Emptying Breath Test (GEBT), 13C-Spirulina Gastric Emptying Breath Test (GEBT) - repeat
Diagnostic Test
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
7 Years to 18 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Brentwood, Tennessee • Houston, Texas • Milwaukee, Wisconsin
Conditions
Gastroparesis, Slow Transit Constipation, IBS
Interventions
Atmo Motility Gas Capsule System, SmartPill Monitoring System
Device
Lead sponsor
Atmo Biosciences Pty Ltd
Industry
Eligibility
22 Years to 80 Years
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Ann Arbor, Michigan
Conditions
Obesity, Diabetes
Interventions
slowly digestible carbohydrate
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Completed No phase listed Observational Accepts healthy volunteers

Atrial Fibrillation Ablation on Gastric Motility "The AF Gut Study"

NCT01396356
Conditions
Atrial Fibrillation Ablation Procedure
Interventions
GI procedures
Procedure
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Completed Not applicable Interventional Accepts healthy volunteers

Digestive Properties of Carbohydrate-based Foods

NCT03630458
Conditions
Obesity, Diabetes Mellitus, Type 2, Appetitive Behavior
Interventions
Pearl millet couscous - made in Senegal, Pearl millet couscous - made in USA, Pearl millet thick porridge, Wheat couscous, White rice
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
West Lafayette, Indiana