Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 8:39 AM EDT

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

Showing 97–120 of 308 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Gut Microbiota Post Roux-en-Y Gastric Bypass Surgery

NCT02654496
Conditions
Obesity
Interventions
Meal challenge
Other
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Fargo, North Dakota
Conditions
Post-bariatric Hypoglycemia
Interventions
Avexitide
Drug
Lead sponsor
Amylyx Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
U.S. locations
4
States / cities
Boston, Massachusetts • Morehead City, North Carolina • Mesquite, Texas + 1 more
Completed No phase listed Observational Accepts healthy volunteers Results available

Minimally Invasive Surgery (MIS) Database for the Purpose of Research

NCT00535990
Conditions
Morbid Obesity, Hernia, Colorectal Cancer, Laparoscopy
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
San Diego, California
Conditions
Adenocarcinoma of the Gastroesophageal Junction, HER2-positive Breast Cancer, Male Breast Cancer, Recurrent Breast Cancer, Recurrent Esophageal Cancer, Recurrent Gastric Cancer, Stage IIIC Breast Cancer, Stage IIIC Esophageal Cancer, Stage IIIC Gastric Cancer, Stage IV Breast Cancer, Stage IV Esophageal Cancer, Stage IV Gastric Cancer
Interventions
Akt inhibitor MK2206, trastuzumab, lapatinib ditosylate, laboratory biomarker analysis
Drug · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Transcranial Magnetic Stimulation Effects on Pain Perception

NCT01861574
Conditions
Gastric Bypass Surgery Pain Management
Interventions
Real TMS 45 min, Sham TMS 45 min, Real TMS 4 Hours, Sham TMS 4 Hours
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Effect of Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RA) on Gastric Emptying

NCT07140289
Conditions
Gastric Emptying, Glucagon-Like Peptide-1 Receptor Agonists, Intermittent Fasting, Intraoperative Complication Due to Anesthesia, Respiratory Aspiration of Gastric Contents
Interventions
Ultrasound of gastric contents
Diagnostic Test
Lead sponsor
Wael Saasouh, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin9
Drug
Lead sponsor
Blandine Laferrere
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Pain, Obesity, Hypoxia
Interventions
Ketamine, placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Obesity, Weight Loss
Interventions
1170-1870 kcal/day liquid diet, Gastric bypass surgery, Biopsy.visceral adipose tissue, Biopsy.omental adipose tissue, Biopsy. subcutaneous abdominal adipose tissue, Blood sample
Behavioral · Procedure
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Gastric Bypass, Parathyroid Hormone
Interventions
Paricalcitol, Cholecalciferol, Placebo
Drug
Lead sponsor
Kerstyn C. Zalesin, M.D.
Other
Eligibility
18 Years to 100 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Gastroenteropancreatic Neuroendocrine Tumor
Interventions
Lutathera, Gallium 68 Dotatate, Computed Tomography (CT), Magnetic Resonance Imaging (MRI), PET/CT
Drug · Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Stanford, California
Conditions
Esophageal Cancer, Gastric Cancer
Interventions
cisplatin, irinotecan hydrochloride, paclitaxel, conventional surgery, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
23
States / cities
Denver, Colorado • Newark, Delaware • Gainesville, Florida + 17 more
Conditions
Nausea
Interventions
Peppermint oil, Ginger oil
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Rochester, New York
Completed No phase listed Observational Accepts healthy volunteers

Effects of Bariatric Surgery on Insulin

NCT00535600
Conditions
Obesity, Bariatric Surgery, Gastric Bypass, Weight Loss, Hyperglycemia
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 96 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Bariatric Surgery Candidate
Interventions
Zoledronic Acid, Calcium citrate + vitamin D, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 100 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Esophageal Cancer, Gastric Cancer
Interventions
cisplatin, paclitaxel, surgical procedure
Drug · Procedure
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years to 120 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
28
States / cities
Chicago, Illinois • Evanston, Illinois • Peoria, Illinois + 18 more
Conditions
Obesity, Morbid, Hypertension, Bariatric Surgery Candidate
Interventions
Antibiotic
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Gastroparesis
Interventions
Gastric Electrical Stimulator, Enterra, Medtronics, Inc.
Device
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Jackson, Mississippi
Conditions
Obesity
Interventions
endolumenal surgery
Procedure
Lead sponsor
USGI Medical
Industry
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
4
States / cities
Burlington, Massachusetts • New York, New York • Portland, Oregon
Conditions
Vitamin D Deficiency, Gastrointestinal Diseases
Interventions
Sperti Lamp
Device
Lead sponsor
Boston University
Other
Eligibility
18 Years to 64 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Morbid Obesity
Interventions
Endolumik Gastric Calibration Tube (EGCT)
Device
Lead sponsor
Endolumik, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma, Peritoneal Carcinomatosis
Interventions
Cisplatin, Hyperthermic Intraperitoneal Chemotherapy, Mitomycin
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Esophageal Cancer, Gastric Cancer
Interventions
Cisplatin, Irinotecan, ZD 1839
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Heart Attack, Cardiac Arrest, Congestive Heart Failure, Atrial Fibrillation, Angina, Deep Vein Thrombosis, Pulmonary Embolism, Respiratory Arrest, Respiratory Failure, Pneumonia, Gastrointestinal Bleed, Stomach Ulcer, Delirium, Stroke, Nerve Injury, Surgical Wound Infection
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
73,952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
St Louis, Missouri