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ClinicalTrials.gov public records Last synced Sep 15, 2026, 1:46 AM EDT

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Showing 1–24 of 161 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
Conditions
Obesity
Interventions
ECHELON FLEX™ Powered Plus Stapler
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
4
States / cities
Metairie, Louisiana • Charlotte, North Carolina • Winston-Salem, North Carolina + 1 more
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Assisted Robotic vs Laparoscopic Sleeve Gastrectomy

NCT06425016
Conditions
Post Operative Pain, Laparoscopic Sleeve Gastrectomy, Robotic Sleeve Gastrectomy, Obesity, Bariatric Surgery Candidate, Quality of Life
Interventions
Laparoscopic Sleeve Gastrectomy (LSG), Robotic Sleeve Gastrectomy (RSG)
Procedure
Lead sponsor
Ricard Corcelles
Other
Eligibility
18 Years to 70 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
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
Heart Failure, Obesity, Weight Loss, Heart Failure With Preserved Ejection Fraction
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
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
Bariatric Surgery Candidate, Diet Modification
Interventions
Dietary modification with introduction of Mankai
Other
Lead sponsor
Cleveland Clinic Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Weston, Florida
Withdrawn No phase listed Observational

Transvaginal NOTES Sleeve Gastrectomy

NCT01402505
Conditions
Obesity
Interventions
Transvaginal NOTES sleeve gastrectomy
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 75 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
San Diego, California
Conditions
Hemostasis
Interventions
Laparoscopic sleeve procedures
Device
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
Not listed
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Metairie, Louisiana • Buffalo, New York • Nashville, Tennessee
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
Completed Not applicable Interventional Results available

Laparoscopic Sleeve Gastrectomy With Endoscopic Visualization

NCT00911989
Conditions
Morbid Obesity
Interventions
NOTES toolbox
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
21 Years to 60 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
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
Post Operative Pain
Interventions
Zynrelef, Exparel
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 65 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Lubbock, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Single Anastomosis Duodenal Ileal Bypass (SADI) for Sleeve Revision

NCT04165694
Conditions
Bariatric Surgery Candidate, Severe Obesity
Interventions
Single Anastomosis Duodenal Ileal Bypass (SADI)
Procedure
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Los Angeles, California
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