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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bariatric Surgery Clear all
Withdrawn No phase listed Observational

Bariatric Surgery Outcomes

NCT01057784
View directory record Official record
Conditions
Morbid Obesity
Interventions
Bariatric surgery.
Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Jun 10, 2026, 3:59 AM EDT
Withdrawn Phase 4 Interventional

Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery

NCT01941134
View directory record Official record
Conditions
Bariatric Surgery Candidate, Contraception
Interventions
ethinyl estradiol-levonorgestrel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Jun 10, 2026, 3:59 AM EDT
Recruiting Phase 2 Interventional

Oral Acetaminophen for Post-Op Pain Management in Bariatric Surgery Patients

NCT06658574
View directory record Official record
Conditions
Post Operative Analgesia, Bariatric Surgery, Bariatric Surgery (Gastric Bypass), Bariatric Surgery Patients, Perioperative Analgesia
Interventions
Acetaminophen
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Jun 10, 2026, 3:59 AM EDT
Active, not recruiting No phase listed Observational

WeighT LOSS Surgery and Comprehensive Cardiometabolic Responses to to EXercise

NCT06576050
View directory record Official record
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 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Jun 10, 2026, 3:59 AM EDT
Completed No phase listed Observational

De Novo Lipogenesis in Severity of NAFLD

NCT03683589
View directory record Official record
Conditions
Nonalcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis, Bariatric Surgery Candidate, Obesity, Morbid
Interventions
Not listed
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
22 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Jun 10, 2026, 3:59 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Laparoscopic Sleeve Gastrectomy Plus Weight Watchers vs. Weight Watchers Alone in Underserved Minority Women

NCT01929850
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparscopic Sleeve Gastrectomy, Weight Watchers Program
Procedure · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Jun 10, 2026, 3:59 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Endotracheal Tube Placement Using McGrath MAC® Video Laryngoscope Versus Macintosh Laryngoscope

NCT03503279
View directory record Official record
Conditions
Intubation
Interventions
McGrath MAC® Video Laryngoscope
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2020 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional

The Feasibility and Acceptability of Utilizing Telehealth for Increasing Access to Bariatric Surgery

NCT05678179
View directory record Official record
Conditions
Telehealth, Face-2-Face (F2F)
Interventions
Telehealth, In Person (Face-2-Face)
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional Results available

Bariatric Embolization of Arteries for the Treatment of Obesity

NCT02165124
View directory record Official record
Conditions
Morbid Obesity
Interventions
Artificial Embolization Device
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2018 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Phase 1 Interventional

Glucose Metabolism in the Immediate and Short Term Follow up After Bariatric Surgery

NCT00488423
View directory record Official record
Conditions
Diabetes, Gastric Bypass
Interventions
Mixed Meal Tolerance test, Hyperglycemic clamp
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
19 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 21, 2011 · Synced Jun 10, 2026, 3:59 AM EDT
Terminated Not applicable Interventional

Bariatric Surgery for ESRD Patients vs Control

NCT00580762
View directory record Official record
Conditions
Obesity, ESRD
Interventions
Roux-en-y gastric bypass (RYGB)
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 6, 2016 · Synced Jun 10, 2026, 3:59 AM EDT
Recruiting Not applicable Interventional

Role of Adiposomes in Endothelial Dysfunction

NCT05199454
View directory record Official record
Conditions
Obesity, Diabetes, Cardiovascular Diseases
Interventions
Exercise training
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Early Phase 1 Interventional

Comparing Enoxaparin to Fondaparinux to Prevent Venous Thromboembolism (VTE) in Bariatric Surgical Patients

NCT00894283
View directory record Official record
Conditions
Deep Venous Thrombosis, Pulmonary Embolism
Interventions
Enoxaparin, Fondaparinux
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Phase 1 Interventional Results available

Transversus Abdominis Plane (TAP) Block Using Liposomal Bupivacaine in Metabolic and Bariatric Surgery Patients

NCT05537883
View directory record Official record
Conditions
Morbid Obesity, Bariatric Surgery Candidate
Interventions
Liposomal bupivacaine, Bupivacaine Injection
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional Results available

Gaining Optimism After Weight Loss Surgery (GOALS) I

NCT04867902
View directory record Official record
Conditions
Bariatric Surgery
Interventions
Positive Psychology-Motivational Interviewing Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional Results available

CNAP Accuracy in the Bariatric Surgery Population

NCT01896206
View directory record Official record
Conditions
Bariatric Surgery
Interventions
CNAP monitor
Device
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2015 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional

Home Hospital for Bariatric Sleeve Gastrectomy

NCT05259111
View directory record Official record
Conditions
Bariatric Surgery Candidate, Bariatric Sleeve Gastrectomy, Home Hospital
Interventions
Home hospital
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Jun 10, 2026, 3:59 AM EDT
Enrolling by invitation No phase listed Observational

Endoscopic Metabolic and Bariatric Therapies

NCT05725967
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity Associated Disorder, Bariatric Surgery Candidate, Fistula, Gastric, Roux-en-y Anastomosis Site, Ulcer, Gastric, Abdominal Pain, Abdominal Obesity, Complication of Surgical Procedure, Complication of Treatment, Complication,Postoperative, Weight Gain, Weight Loss, Leak, Anastomotic, Delayed Gastric Emptying Following Procedure
Interventions
Primary Obesity Endoscopic Procedures, Endoscopic Revision of Bariatric Surgical Procedures, Bariatric Surgery Procedures, Endoscopic Sleeve Gastroplasty, Trans-oral Outlet Reduction, Intragastric Balloon, Primary obesity surgery endoluminal, Restorative obesity surgery endoluminal, Argon Plasma Coagulation, Gastroplasty with Endoscopic Myotomy, Bariatric Endoscopic Antral Myotomy, Pylorus Sparing Antral Myotomy, Aspiration Therapy
Procedure · Device
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 80 Years
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jun 10, 2026, 3:59 AM EDT
Completed No phase listed Observational

Bariatric Surgery on Short Term Weight Loss- Related Changes in Gait

NCT01447316
View directory record Official record
Conditions
Obesity, Morbid
Interventions
Subject outcomes following bariatric surgery
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional Results available

Multivitamin Adherence Following Bariatric Surgery

NCT02124889
View directory record Official record
Conditions
Obesity
Interventions
Weekly Internet surveys
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Jun 10, 2026, 3:59 AM EDT
Withdrawn No phase listed Observational

Effects of Bariatric Surgery on Breast Density Improvement and Impact on Breast Cancer Risk in Severe Obese Patients

NCT04170335
View directory record Official record
Conditions
Breast Cancer, Morbid Obesity, Bariatric Surgery Candidate
Interventions
Bariatric surgery
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
40 Years to 74 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Jun 10, 2026, 3:59 AM EDT
Completed Not applicable Interventional

Progressive Resistance Training in Patients With Class III Obesity

NCT01100450
View directory record Official record
Conditions
Obesity
Interventions
Progressive Resistance Training
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Jun 10, 2026, 3:59 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 13, 2023 · Synced Jun 10, 2026, 3:59 AM EDT
Completed No phase listed Observational

Ecological Momentary Assessment of Behavioral and Psychosocial Predictors of Weight Loss Following Bariatric Surgery

NCT02777177
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 12, 2022 · Synced Jun 10, 2026, 3:59 AM EDT