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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: "bariatric" Clear all
Completed Not applicable Interventional Results available

Gaining Optimism After Weight Loss Surgery (GOALS) II

NCT04868032
View directory record Official record
Conditions
Bariatric Surgery
Interventions
Positive Psychology-Motivational Interviewing, Physical Activity Education Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 24, 2026, 5:03 AM EDT
Completed No phase listed Observational Results available

Post-Market Surveillance With a Novel mHealth Platform

NCT03436082
View directory record Official record
Conditions
Gastrectomy, Atrial Fibrillation
Interventions
A mobile health platform
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
New Haven, Connecticut • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

Surgery or Lifestyle With Intensive Medical Management in the Treatment of Type 2 Diabetes

NCT01073020
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Allergan Adjustable Gastric Band Surgery, Intensive Medical Diabetes & Weight Management (Why WAIT) - Band Group, Roux-en-Y Gastric Bypass (RYGB) Surgery, Intensive Medical Diabetes & Weight Management (Why WAIT) - Bypass Group
Device · Other · Procedure
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
21 Years to 65 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 27, 2021 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Phase 2 Interventional

A Research Study Comparing How Well Different Doses of the Medicine NN0519-0130 Help People With Excess Body Weight Lose Weight

NCT06326060
View directory record Official record
Conditions
Obesity
Interventions
NNC0519-0130, Placebo, Tirzepatide
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 75 Years
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
49
States / cities
Mesa, Arizona • Little Rock, Arkansas • Searcy, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 24, 2026, 5:03 AM EDT
Completed No phase listed Observational

Metabolomics of Roux-en-Y Gastric Bypass (RYGB) With Gastrostomy

NCT00887302
View directory record Official record
Conditions
Type II Diabetes Mellitus, Obesity
Interventions
Gastric Band, Gastric Sleeve, Gastrostomy Tube
Procedure
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 24, 2026, 5:03 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Bariatric and Obstructive Lung Disease Study II

NCT01127399
View directory record Official record
Conditions
Obesity, Asthma
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Jul 24, 2026, 5:03 AM EDT
Terminated Not applicable Interventional Results available

StomaphyX Versus Sham for Revisional Surgery in Post-Roux-en-Y Patients to Reduce Regained Weight

NCT00939055
View directory record Official record
Conditions
Obesity
Interventions
StomaphyX, Sham procedure
Device · Procedure
Lead sponsor
EndoGastric Solutions
Industry
Eligibility
18 Years to 64 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Jul 24, 2026, 5:03 AM EDT
Active, not recruiting No phase listed Observational

Long Term Outcomes of Bariatric Patients Treated With Surgery or Endoscopy

NCT03705416
View directory record Official record
Conditions
GERD, Obesity
Interventions
Endoscopy, Surgery
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Timeline
2019 – 2028
U.S. locations
6
States / cities
Baltimore, Maryland • New Hyde Park, New York • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 24, 2026, 5:03 AM EDT
Completed No phase listed Observational

Effect of Continuous Positive Airway Pressure (CPAP) on Lower Esophageal Sphincter Pressure in Morbidly Obese Patients

NCT01099735
View directory record Official record
Conditions
Sleep Apnea, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Phase 2 Interventional

Gastric Plication and Banding

NCT02072395
View directory record Official record
Conditions
Morbid Obesity
Interventions
Plication
Procedure
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Jul 24, 2026, 5:03 AM EDT
Not listed Not applicable Interventional

Acceptability and Feasibility of a Preoperative Very Low Calorie Diet Intervention on Surgical Weight Loss Outcomes (SAFETY)

NCT06183034
View directory record Official record
Conditions
Obesity
Interventions
Very Low Calorie Diet
Other
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 24, 2026, 5:03 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Fat Taste Sensory Study

NCT03540693
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Jul 24, 2026, 5:03 AM EDT
Enrolling by invitation No phase listed Observational

Abundance and Distribution of Lipids and Proteins in Nonalcoholic Fatty Liver Disease (NAFLD)

NCT00983463
View directory record Official record
Conditions
Nonalcoholic Fatty Liver Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 24, 2026, 5:03 AM EDT
Completed No phase listed Observational

Post-Market Clinical Follow-Up of STRATAFIX™ Spiral PDS™ PLUS

NCT03937011
View directory record Official record
Conditions
Bariatric - Sleeve Gastrectomy Staple Line Reinforcement, Gynecology - Vaginal Cuff Closure
Interventions
Robotic Suturing of gastric sleeve oversew and vaginal cuff closure
Device
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Miami, Florida • Albany, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 24, 2026, 5:03 AM EDT
Completed No phase listed Observational Results available

Diabetes and Gastric By- Pass

NCT01153516
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Phase 1 Interventional

Evaluating Exenatide for the Treatment of Postprandial Hyperinsulinemic Hypoglycemia

NCT02685852
View directory record Official record
Conditions
Hyperinsulinemic Hypoglycemia
Interventions
Exenatide, Acarbose, Exenatide Placebo, Acarbose Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Phase 4 Interventional Results available

Apixaban Pharmacokinetics in Bariatric Patients (APB)

NCT02406885
View directory record Official record
Conditions
Bariatric Surgery, Obesity
Interventions
Apixaban
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Phase 3 Interventional

Laparoscopic Adjustable Gastric Banding Versus Laparoscopic Sleeve Gastrectomy

NCT00434655
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparoscopic restrictive procedure
Procedure
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2009 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

The neoClose Abdominal Closure vs Carter-Thomason Trial

NCT02589171
View directory record Official record
Conditions
Surgical Port Site Hernia
Interventions
Neo Close Abdominal Closure, Carter Thomason Device
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 24, 2026, 5:03 AM EDT
Enrolling by invitation No phase listed Observational

Physiologic and Functional Adaptations of Insulin Sensitive Tissues

NCT03407833
View directory record Official record
Conditions
Diabetes, Insulin Resistance, Obesity, Bariatric Surgery Candidate, Roux-en-y Gastric Bypass, Liver Diseases
Interventions
Endoscopy biopsy, Surgical biopsy, Mixed-meal tolerance test, Excised Liver Tissue Sampling
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 24, 2026, 5:03 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Effects of Metabolic & Bariatric Surgery on Lipid Metabolism, Myeloid-Derived Suppressor Cells, and Cancer Cell Biology

NCT06059651
View directory record Official record
Conditions
Obesity
Interventions
Metabolic & Bariatric Surgery
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Jul 24, 2026, 5:03 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Effects of Alcohol After Bariatric Surgery

NCT01843257
View directory record Official record
Conditions
Obesity
Interventions
Alcohol challenge test Alcohol visit first, Alcohol challenge test Placebo visit first
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Jul 24, 2026, 5:03 AM EDT
Terminated Not applicable Interventional

Effects of a Novel Dietary Intervention on Body Composition After Laparoscopic Gastric Bypass Surgery

NCT01041261
View directory record Official record
Conditions
Obesity, Morbid Obesity
Interventions
BariatrX Essentials 360 Treatment
Dietary Supplement
Lead sponsor
MetaProteomics LLC
Industry
Eligibility
25 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Jul 24, 2026, 5:03 AM EDT
Completed Not applicable Interventional

Effect of Bariatric Surgery on Mechanisms of Type 2 Diabetes

NCT01278823
View directory record Official record
Conditions
Obesity, Type 2 Diabetes
Interventions
laparoscopic roux en y gastric bypass operation, medical management
Procedure · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Jul 24, 2026, 5:03 AM EDT