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ClinicalTrials.gov public records Last synced Oct 3, 2026, 4:32 PM EDT

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Showing 25–48 of 87 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bariatric Surgery Evaluation Clear all
Withdrawn Not applicable Interventional

Exercise Training Study Before Bariatric Surgery

NCT06274606
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
Exercise Group
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 14, 2024 · Synced Oct 3, 2026, 4:32 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Bariatric Embolization of Arteries for the Treatment of Nonalcoholic Steatohepatitis

NCT02933554
View directory record Official record
Conditions
Obesity, Weight Loss, Body Weight, Nonalcoholic Steatohepatitis, Nonalcoholic Fatty Liver Disease, NAFLD
Interventions
Embospheres Microspheres
Device
Lead sponsor
Keith Pereira, MD:
Other
Eligibility
22 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 3, 2026, 4:32 PM EDT
Completed No phase listed Observational

Assessment of Changes in Abdominal Fat

NCT00228579
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2020
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Oct 3, 2026, 4:32 PM EDT
Terminated No phase listed Observational

Recovery of Ventilation After General Anesthesia in Morbidly Obese Patients

NCT03925610
View directory record Official record
Conditions
Morbid Obesity, Opioid-Related Disorders, Surgery--Complications, Sleep Apnea Syndromes
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Oct 3, 2026, 4:32 PM EDT
Completed No phase listed Observational Results available

Laparoscopic Versus Transabdominal Ultrasound in Morbidly Obese Patients

NCT00971750
View directory record Official record
Conditions
Cholelithiasis, Ultrasonography, Laparoscopic Gastric Bypass
Interventions
Not listed
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
18 Years and older
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Oct 3, 2026, 4:32 PM EDT
Suspended Not applicable Interventional

Bariatric Embolization of Arteries in Obese Patients With HCC to Allow Salvage Liver Transplantation

NCT02935478
View directory record Official record
Conditions
Obesity, Weight Loss, Body Weight, Hepatocellular Carcinoma, HCC, Hepatitis C, Cirrhosis
Interventions
Embospheres Microspheres
Device
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Oct 3, 2026, 4:32 PM EDT
Completed No phase listed Observational

Assessment of Outcomes Following Bariatric Surgery for Mississippi State Employees

NCT01162668
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
4
States / cities
Jackson, Mississippi • Oxford, Mississippi • Pascagoula, Mississippi
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Oct 3, 2026, 4:32 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate Barhemsys for the Prevention of Postoperative Nausea And Vomiting in the Bariatric Surgery Population

NCT06585540
View directory record Official record
Conditions
Post Operative Nausea and Vomiting
Interventions
Amisulpride IV Prevention, Amisulpride IV Treatment, Placebo Preventative, Placebo Treatment
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Not applicable Interventional Results available

LAGB as a Treatment for Morbid Obesity in Adolescents

NCT01045499
View directory record Official record
Conditions
Morbid Obesity, Obstructive Sleep Apnea Syndrome, Metabolic Syndrome, Insulin Resistance, Nonalcoholic Fatty Liver Disease
Interventions
Laparoscopic adjustable gastric banding (Allergan Lap Band)
Device
Lead sponsor
Jeffrey L Zitsman, MD
Other
Eligibility
13 Years to 19 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Oct 3, 2026, 4:32 PM EDT
Not listed Phase 4 Interventional

Impact of Bariatric Surgery on Pharmacokinetic Study of Simvastatin and Carvedilol

NCT04049786
View directory record Official record
Conditions
Obesity, Bariatric Surgery, Roux-en Y Gastric Bypass
Interventions
Digestive biopsy, Carvedilol 25mg, Serial blood sampling for PK analysis, Metoprolol 100 mg for CYP2D6 phenotyping, Simvastatin 40mg, Midazolam 2 mg for CYP3A4 phenotyping, Genotyping
Procedure · Drug · Other
Lead sponsor
Natalia Valadares de Moraes
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Oct 3, 2026, 4:32 PM EDT
Enrolling by invitation Not applicable Interventional

Preoperative Use of a Magnetically Controlled Capsule Endoscopy in Patients Undergoing Bariatric Surgery

NCT07587437
View directory record Official record
Conditions
Obesity, Bariatric Surgery Candidate, Hypertension, Diabetes
Interventions
Magnetically Controlled Capsule Endoscopy (MCCE)
Device
Lead sponsor
Jerry Dang
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 3, 2026, 4:32 PM EDT
Recruiting Not applicable Interventional

Trans-nasal Endoscopy for Bariatric Patients

NCT06200961
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obese, GI Disorders, Gastrointestinal Diseases
Interventions
Transnasal Endoscopy, Esophagogastroduodenoscopy
Device · Procedure
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 3, 2026, 4:32 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers Results available

The Safety and Efficacy of vBloc Therapy Delivered by the Maestro Rechargeable System for the Treatment of Obesity

NCT01327976
View directory record Official record
Conditions
Obesity
Interventions
vBloc (Active Device), Sham (Non-active Device)
Device
Lead sponsor
ReShape Lifesciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
8
States / cities
Scottsdale, Arizona • La Jolla, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Oct 3, 2026, 4:32 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Glucagon-like Peptide 1, Glucose Metabolism and Gastric Bypass

NCT01803451
View directory record Official record
Conditions
Post-bariatric Surgery
Interventions
exendin -(9-39)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Not applicable Interventional

Metabolic Surgery Versus Medical Management for Resolution of Type II Diabetes

NCT01044602
View directory record Official record
Conditions
Obesity, Type 2 Diabetes Mellitus
Interventions
Laboratory evaluations, sleep study, Best Medical Management, Roux-en-Y gastric bypass surgery
Other · Procedure
Lead sponsor
David Bradley MD
Other
Eligibility
25 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 21, 2015 · Synced Oct 3, 2026, 4:32 PM EDT
Terminated Not applicable Interventional

Assessment of Sleep Apnea and Its Causes Before and After Weight Loss Surgery

NCT01712269
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Weight-loss (bariatric) surgery
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate ARD-101 in Adults Receiving Bariatric Surgery

NCT05215847
View directory record Official record
Conditions
Bariatric Surgery, Obesity, Weight Gain
Interventions
ARD-101
Drug
Lead sponsor
Aardvark Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 3, 2026, 4:32 PM EDT
Completed No phase listed Observational

The Collateral Impact of Bariatric Surgery on Families

NCT02021630
View directory record Official record
Conditions
Obesity, Bariatric Surgery Candidate, Weight Loss
Interventions
Outcomes
Other
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 21, 2016 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Not applicable Interventional

Impact of Weight Loss Surgery in Adolescents With NAFLD

NCT02952170
View directory record Official record
Conditions
NAFLD, Obesity, Adolescent
Interventions
MRI
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
15 Years to 22 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 3, 2026, 4:32 PM EDT
Recruiting No phase listed Observational

Metabolic Responses to Bariatric Surgery

NCT02024542
View directory record Official record
Conditions
Morbid Obesity
Interventions
Surgery
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 55 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2035
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms Defending Fat Mass in Humans After Lipectomy

NCT00993213
View directory record Official record
Conditions
Disproportionate Shape, Expanded Fat Pads
Interventions
Standard of Care with Liposuction, Standard of Care without Liposuction
Procedure · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Oct 3, 2026, 4:32 PM EDT
Completed Phase 4 Interventional

Comparison FloShield Air System Versus Clearify Visualization System (D-HELP)

NCT02419911
View directory record Official record
Conditions
Laparoscopic Surgery
Interventions
Laparoscopic surgery, FloShield Defogging and Cleaning System, Clearify Defogging and Cleaning System
Procedure · Device
Lead sponsor
Minimally Invasive Devices, Inc.
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
3
States / cities
South Miami, Florida • Las Vegas, Nevada • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Oct 3, 2026, 4:32 PM EDT
Recruiting No phase listed Observational

Body Composition Outcomes in MS Patients

NCT07530718
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 3, 2026, 4:32 PM EDT
Completed No phase listed Observational

Long-term Effects of Bariatric Surgery

NCT00465829
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
2,458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
9
States / cities
New York, New York • Greenville, North Carolina • Fargo, North Dakota + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2016 · Synced Oct 3, 2026, 4:32 PM EDT