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ClinicalTrials.gov public records Last synced Sep 17, 2026, 9:36 PM EDT

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Showing 1–24 of 133 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bariatric Surgery Patients Clear all
Active, not recruiting Phase 4 Interventional

Bariatric Surgery vs. Semaglutide vs. Tirzepatide

NCT06803888
View directory record Official record
Conditions
Obesity and Obesity-related Medical Conditions
Interventions
Bariatric Surgery, Semaglutide, Tirzepatide
Procedure · Drug
Lead sponsor
Ali Aminian
Other
Eligibility
18 Years to 70 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 17, 2026, 9:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of Non-Invasive Positive Pressure Ventilation in Patients With Severe Obesity Undergoing Upper Endoscopy Procedures

NCT03529461
View directory record Official record
Conditions
Severe Obesity, Hypoxia
Interventions
Non-invasive positive pressure ventilation through nasal mask, Rescue non-invasive positive pressure ventilation through nasal mask, Secondary rescue maneuvers
Device · Other
Lead sponsor
Bristol Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bristol, Connecticut
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Sep 17, 2026, 9:36 PM EDT
Completed Phase 4 Interventional

Multimodal Analgesia Effect on Post Surgical Patient

NCT04240626
View directory record Official record
Conditions
Obesity, Morbid, Surgery, Bariatric Surgery Candidate
Interventions
Neurontin, Dilaudid Injectable Product, Marcaine Injectable Product, Oxycodone Hydrochloride, Hycet 7.5Mg-325Mg/15Ml Solution, Zofran Injection, Scopolamine patch, Ativan, Flexeril Oral Product, Tylenol Suspension
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 17, 2026, 9:36 PM EDT
Terminated No phase listed Observational

Long-Term Follow-up of Ohio State University Medical Center (OSUMC) Bariatric Patients

NCT00700843
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Sep 17, 2026, 9:36 PM 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 Sep 17, 2026, 9:36 PM EDT
Completed Phase 2 Interventional Results available

Efficacy, Tolerability and Pharmacokinetics of Subcutaneous Exendin (9-39) in Patients With Post Bariatric Hypoglycemia

NCT02771574
View directory record Official record
Conditions
Post Bariatric Hypoglycemia
Interventions
Lyo avexitide, Liq avexitide
Drug
Lead sponsor
Tracey McLaughlin
Other
Eligibility
18 Years to 70 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 17, 2026, 9:36 PM EDT
Completed Phase 4 Interventional

A Trial of the Cost Effectiveness of IV Acetaminophen in Bariatric Surgery

NCT02233400
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 17, 2026, 9:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Metabolic and Genetic Drivers of Body Composition Changes Following Weight Loss Surgery

NCT07178704
View directory record Official record
Conditions
Bariatric Surgery Patients
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 17, 2026, 9:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Bariatric Surgery Weight Loss on Knee Pain in Patients With Osteoarthritis of the Knee

NCT00752765
View directory record Official record
Conditions
Knee Pain, Knee Osteoarthritis
Interventions
Not listed
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 17, 2026, 9:36 PM EDT
Completed Not applicable Interventional

Promoting Physical Activity Among Bariatric Surgery Patients

NCT01722357
View directory record Official record
Conditions
Obesity
Interventions
Pedometer, Exercise Counseling
Behavioral
Lead sponsor
Ascension St. Vincent Carmel Hospital
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Carmel, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 10, 2020 · Synced Sep 17, 2026, 9:36 PM EDT
Suspended Phase 2Phase 3 Interventional

A Behavioral Intervention to Decrease Vomiting and Improve Weight Loss in Post-Operative Laparoscopic Adjustable Gastric Banding (LAGB) Patients

NCT01860053
View directory record Official record
Conditions
Bariatric Surgery Complications
Interventions
behavioral intervention
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 21, 2013 · Synced Sep 17, 2026, 9:36 PM EDT
Completed No phase listed Observational

Laparoscopic Revision of Vertical Banded Gastroplasty to Gastric Bypass

NCT01041131
View directory record Official record
Conditions
Clinically Severe Obesity, Inadequate Weight Loss, Obesity Recidivism
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 31, 2009 · Synced Sep 17, 2026, 9:36 PM EDT
Completed No phase listed Observational

Impact of Plasma Soluble Prorenin Receptor in Obese and Type 2 Diabetic Patients

NCT03643783
View directory record Official record
Conditions
Obesity, Type2 Diabetes, Bariatric Surgery Candidate
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 28, 2021 · Synced Sep 17, 2026, 9:36 PM 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 Aug 20, 2026 · Synced Sep 17, 2026, 9:36 PM EDT
Withdrawn Phase 4 Interventional

Efficacy of Naltrexone HCl/Bupropion HCl Extended Release Versus Placebo for Treatment of Weight Regain in Participants Post Bariatric Surgery

NCT02616315
View directory record Official record
Conditions
Weight Regain Post Bariatric Surgery
Interventions
Naltrexone HCl/Bupropion HCl Placebo, Naltrexone HCl/Bupropion HCl
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2016 · Synced Sep 17, 2026, 9:36 PM EDT
Active, not recruiting Phase 4 Interventional

Glucagon Dose-Response in Patients With Post-Bariatric Hypoglycemia

NCT06986603
View directory record Official record
Conditions
Hypoglycemia, Hypoglycemia, Reactive, Bariatric Surgery
Interventions
Glucagon for Injection (Fresenius Kabi USA)
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 17, 2026, 9:36 PM 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 Sep 17, 2026, 9:36 PM EDT
Not listed Not applicable Interventional

Resolution of Comorbidities, Safety and Efficacy of Greater Curvature Plication in Obese Patients.

NCT01512940
View directory record Official record
Conditions
Obesity
Interventions
Laparoscopic Greater Curvature Plication
Procedure
Lead sponsor
Singh, Kuldeep, M.D., P.A.
Individual
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2012 · Synced Sep 17, 2026, 9:36 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Telemedicine Follow-up for Bariatric Surgery Patients: What Do Patients Prefer

NCT04784286
View directory record Official record
Conditions
Obesity
Interventions
Telemedicine 30-day post-op visit, In-Person 30-day post-op visit
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced Sep 17, 2026, 9:36 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Blood Collection Biorepository for Liver Disease Research

NCT03025074
View directory record Official record
Conditions
Non-Alcoholic Steatohepatitis(NASH), Hepatitis C, Hepatitis B, Fibrosis, Cirrhosis, Fatty Liver, Obesity, Childhood, Bariatric Surgery Candidate
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
7 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2099
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 17, 2026, 9:36 PM EDT
Withdrawn No phase listed Observational

OnQ Pain Pump Effectiveness in Post Operative Pain Control in Bariatric Patients

NCT03159130
View directory record Official record
Conditions
Morbid Obesity
Interventions
Not listed
Lead sponsor
William Beaumont Army Medical Center
Federal
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2017 · Synced Sep 17, 2026, 9:36 PM EDT
Completed Phase 2 Interventional

Improving Patient Decisions About Bariatric Surgery

NCT02364128
View directory record Official record
Conditions
Morbid Obesity, Weight Reduction
Interventions
Decider Guider: Weight Loss
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 17, 2026, 9:36 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 24, 2026 · Synced Sep 17, 2026, 9:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Incidence of Hypercapnea in Morbidly Obese Post-Surgical Bariatric Patients Using the Sen Tec Transcutaneous PCO2 Monitor

NCT01248312
View directory record Official record
Conditions
Bariatric Patients
Interventions
Sentec monitoring device, sentec monitor
Device
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced Sep 17, 2026, 9:36 PM EDT