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ClinicalTrials.gov public records Last synced Sep 14, 2026, 11:36 AM EDT

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Showing 1–24 of 127 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Not listed No phase listed Observational Accepts healthy volunteers

Fat Taste Sensory Study

NCT03540693
Conditions
Bariatric Surgery Candidate, Bariatric Surgical Procedure
Interventions
RYGB, SG, LAGB
Procedure
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 64 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Completed No phase listed Observational Accepts healthy volunteers

Changes in Insulin Sensitivity After Weight Loss

NCT00627484
Conditions
Obesity, Type 2 Diabetes Mellitus, Insulin Resistance
Interventions
Gastric bypass, Gastric banding, Sleeve gastrectomy, Very low calorie diet
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
New York, New York
Terminated No phase listed Observational Accepts healthy volunteers

BAriatric Surgery Induced Chromosomal Change

NCT05903521
Conditions
Obesity, Morbid
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Weston, Florida
Completed No phase listed Observational Results available

Bariatric Surgery for Morbid Obesity

NCT00675558
Conditions
Obesity, Morbid Obesity
Interventions
Initial Surgery, Second Bariatric Surgery
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
New York, New York
Not listed No phase listed Observational

Microbiome and Bariatric Surgery

NCT03065426
Conditions
Weight Change, Body
Interventions
Not listed
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 65 Years
Enrollment
144 participants
Timeline
2017 – 2021
U.S. locations
2
States / cities
Fargo, North Dakota • Cleveland, Ohio
Conditions
Morbid Obesity
Interventions
gastric bypass, gastric banding, sleeve gastrectomy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
Vertical Sleeve Gastrectomy, Lifestyle Modification Counseling
Procedure · Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
San Francisco, California • Baton Rouge, Louisiana • Minneapolis, Minnesota
Conditions
Nonalcoholic Fatty Liver Disease
Interventions
Endoscopic Sleeve Gastroplasty
Procedure
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Morgantown, West Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

NCT01385098
Conditions
Obesity, Vitamin D Deficiency
Interventions
Vitamin D3 and Calcium
Dietary Supplement
Lead sponsor
Vadim Sherman, MD
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Houston, Texas
Conditions
Pain, Postoperative
Interventions
AirSeal Insufflation system, DV5 Insufflation system
Device
Lead sponsor
SurgiQuest, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Miami, Florida
Conditions
Bariatric Surgery Candidate, Pain, Postoperative
Interventions
Exparel 266 MG Per 20 ML Injection, Bupivacaine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Fresno, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exendin-9,39 and Satiety After Bariatric Surgery

NCT02779075
Conditions
Obesity
Interventions
Saline, Exendin-9,39
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
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
Recruiting No phase listed Observational Accepts healthy volunteers

GI Neuromuscular Pathology Prospective Registry

NCT02165059
Conditions
Gastroparesis
Interventions
Surgical Full Thickness Biopsy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Months to 90 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Obesity, Bariatric Surgery, Sleeve Gastrectomy, Gastroesophageal Reflux Disease
Interventions
Modified Vertical Sleeve Gastrectomy (mVSG), Conventional Vertical Sleeve Gastrectomy (cVSG)
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Orange, California • San Diego, California
Conditions
Hospital Costs, Length of Stay, Postoperative Pain Score, Patient Satisfaction
Interventions
Acetaminophen
Drug
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Allentown, Pennsylvania • Bethlehem, Pennsylvania
Conditions
Malnutrition, Obesity, Weight Loss, Micronutrient Deficiency
Interventions
Small bowel length measurement
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Obesity and Obesity-related Medical Conditions, Bariatric Surgery
Interventions
Same Day Discharge
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
25 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

Metabolism and Bariatric Surgery Study

NCT03371368
Conditions
Insulin Resistance, Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGBP), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
Procedure · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Transmitted Light Tissue Thickness Analysis (TiLTT)

NCT02749201
Conditions
Morbid Obesity
Interventions
Gastrisail
Device
Lead sponsor
Maimonides Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brooklyn, New York
Terminated No phase listed Observational Accepts healthy volunteers

Alcohol and Bariatric Surgery

NCT02766322
Conditions
Obesity
Interventions
Oral Alcohol challenge test Alcohol visit first, Oral Alcohol challenge test Placebo visit first, Intravenous Alcohol Challenge Test (Clamp), Intravenous Alcohol Self-administration Test
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years to 64 Years · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Urbana, Illinois
Conditions
Sleeve Gastrectomy
Interventions
Sleeve Gastrectomy Without Interrogation of Hiatus, Sleeve Gastrectomy With Interrogation of Hiatus
Procedure
Lead sponsor
Miguel Burch
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Obesity, Cardiovascular Disease, Type 2 Diabetes, Hypertension, Complication of Transplant
Interventions
Sleeve Gastrectomy
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois