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ClinicalTrials.gov public records Last synced Oct 2, 2026, 8:06 AM EDT

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Showing 49–72 of 233 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Surgical Gastrojejunostomy Clear all
Completed No phase listed Observational

Endoscopic Therapy for Bleeding Marginal Ulcers After Gastric Bypass

NCT01040416
View directory record Official record
Conditions
Bleeding Marginal Ulcer
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Contribution of Incretin Hormones to Post-prandial Glucose Metabolism After Roux-en-Y Gastric Bypass

NCT01843881
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin 9, 39, Placebo
Drug
Lead sponsor
Adrian Vella
Other
Eligibility
20 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 2, 2026, 8:06 AM EDT
Withdrawn Phase 1Phase 2 Interventional

The Effect of Obstructive Sleep Apnea on Medical Outcomes After Gastric Bypass Surgery

NCT00671983
View directory record Official record
Conditions
Obesity, Sleep Apnea, Obstructive
Interventions
Neurocognitive Testing
Procedure
Lead sponsor
Stanford University
Other
Eligibility
30 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Not applicable Interventional

Calorie Reduction Or Surgery: Seeking Remission for Obesity And Diabetes

NCT01295229
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
laparoscopic Roux-en-Y gastric bypass (RYGB) procedure, Lifestyle Intervention
Procedure · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Oct 2, 2026, 8:06 AM EDT
Not listed Phase 3 Interventional

Randomized Controlled Trial of Laparoscopic Gastric Bypass Plus Omentectomy Versus Laparoscopic Gastric Bypass Alone in Improving Diabetic Indices

NCT00552942
View directory record Official record
Conditions
Diabetes, Interleukins, Cytokines
Interventions
laparoscopic gastric bypass plus omentectomy
Procedure
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 2, 2007 · Synced Oct 2, 2026, 8:06 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Study of Changes in Skeletal Muscle After Caloric Restriction

NCT00993460
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Liposomal Bupivacaine on Post Operative Pain and Narcotic Use After Bariatric Surgery

NCT03196505
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 25, 2020 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Not applicable Interventional

Iron Supplement to Improve Iron Status Following Bariatric Surgery

NCT02404012
View directory record Official record
Conditions
Anemia, Iron Deficiency
Interventions
Oral iron supplementation
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Oct 2, 2026, 8:06 AM EDT
Completed No phase listed Observational

Internal Hernias After Laparoscopic Gastric Bypass

NCT01040364
View directory record Official record
Conditions
Internal Hernia, Mesocolic Hernia, Petersen´s Hernia, Jejunojejunostomy Hernia, Bowel Obstruction, Ischemic Bowel
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2013 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Trial of Leptin Administration After Roux-en-Y Gastric Bypass

NCT00710814
View directory record Official record
Conditions
Overweight
Interventions
Leptin, Placebo
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2015 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 1 Interventional

RYGB and the Gastric Adipose Axis

NCT01474785
View directory record Official record
Conditions
Obesity
Interventions
human ghrelin, very low calorie diet, Hyperinsulinemic/Euglycemic Clamp
Drug · Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Early Phase 1 Interventional

The Contribution of Incretin Hormones to the Amelioration of Glucose Metabolism After Roux-en-Y Gastric Bypass

NCT01843855
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin 9,39, Placebo
Drug
Lead sponsor
Adrian Vella
Other
Eligibility
20 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 2 Interventional Results available

Multi-Center Pre-Bariatric Weight Loss Study

NCT00469391
View directory record Official record
Conditions
Obesity
Interventions
GI Sleeve Implantable weight loss device (EndoBarrier), Sham Procedure
Device · Procedure
Lead sponsor
Morphic Medical Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Weston, Florida • Burlington, Massachusetts • Lebanon, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 2, 2026, 8:06 AM EDT
Terminated No phase listed Observational

A Study to Examine Changes in GIP Plasma Levels Following Gastric Bypass Surgery in Obese Patients

NCT00207389
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus, Insulin Resistance
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Ghrelin and Insulin Resistance

NCT00884494
View directory record Official record
Conditions
Obesity, Insulin Resistance, Normal Weight,Healthy Controls
Interventions
Ghrelin infusion to assess effects on insulin sensitivity
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Oct 2, 2026, 8:06 AM EDT
Not listed Not applicable Interventional

Intraperitoneal Aerosolized Delivery of a Local Anesthetic for Post Operative Pain Management. A Double Blind, Randomised Controlled Clinical Trial.

NCT00286286
View directory record Official record
Conditions
Pain, Postoperative, Postoperative Pain, Abdominal Pain, Obesity, Pneumoperitoneum
Interventions
Intraperitoneal Aerosolization System, IntraMyst
Device
Lead sponsor
Northgate Technologies
Industry
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
2
States / cities
Elk Grove Village, Illinois • Hoffman Estates, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 11, 2007 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Not applicable Interventional Results available

Ultraviolet Light And Vitamin D In Subjects With Fat Malabsorption Or After Gastric Bypass Surgery

NCT01910792
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 2, 2026, 8:06 AM EDT
Terminated Phase 4 Interventional Results available

Treatment of GLP-1 for Diabetic Bariatric Patients

NCT04624672
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Semaglutide (1 Mg Dose), Placebo
Drug
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 2 Interventional

An Open-Label Study of XOMA 358 in Patients With Hypoglycemia After Gastric Bypass Surgery

NCT02772718
View directory record Official record
Conditions
Hypoglycemia
Interventions
XOMA 358 single dose level A, XOMA 358 single dose level B, XOMA 358 single dose level C, XOMA 358 multiple dose level 1
Drug
Lead sponsor
XOMA (US) LLC
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
5
States / cities
Aurora, Colorado • Chicago, Illinois • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated May 21, 2021 · Synced Oct 2, 2026, 8:06 AM EDT
Not listed Not applicable Interventional

Laparoscopic Gastric Bypass for Type 2 Diabetes Mellitus With Body Mass Index (BMI) < 35

NCT00999050
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Gastric bypass for diabetic patients <35 BMI
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2011 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Study on the Use of Low Dose Ketamine After Gastric Bypass and Gastrectomy

NCT02452060
View directory record Official record
Conditions
Pain, Postoperative Depression
Interventions
Ketamine, Placebo Comparator
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
90 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 Mar 16, 2020 · Synced Oct 2, 2026, 8:06 AM EDT
Withdrawn Not applicable Interventional

Sleeve Gastrectomy Versus Gastric Bypass for Private Pay Patients Seeking Obesity Surgery

NCT01063959
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparoscopic Sleeve Gastrectomy, Laparoscopic Gastric Bypass
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 18, 2015 · Synced Oct 2, 2026, 8:06 AM EDT
Active, not recruiting No phase listed Observational

Comparison of Body Composition Changes With Weight Loss Interventions

NCT07115069
View directory record Official record
Conditions
Obesity
Interventions
GLP-1 receptor agonist, Gastric Bypass Surgery (laparoscopic), Gastric Bypass Surgery (robotic)
Drug · Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Timeline
2025 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 2, 2026, 8:06 AM EDT
Completed Phase 3 Interventional

Surgery Or Lifestyle Intervention for Type 2 Diabetes (SOLID)

NCT01040468
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Roux-en-Y Gastric Bypass surgery, Laparoscopic Adjustable Gastric Banding surgery, Intensive Lifestyle Modification
Procedure · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 2, 2026, 8:06 AM EDT