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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 Patient Clear all
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 14, 2026, 5:35 AM EDT
Completed Phase 1 Interventional

Liposomal Bupivacaine for Post-operative Pain Control in Adolescent Bariatric Patients

NCT06077214
View directory record Official record
Conditions
Bariatric Surgery Candidate, Post-operative Pain
Interventions
Treatment with liposomal bupivacaine, Treatment with standard bupivacaine
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
13 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 14, 2026, 5:35 AM EDT
Completed No phase listed Observational

Laparoscopic Revision Gastric Bypass for Weight Recidivism

NCT01040572
View directory record Official record
Conditions
Weight Regain, Weight Recidivism, Obesity Recidivism, Clinically Severe Obesity
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2009 · Synced Sep 14, 2026, 5:35 AM 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 14, 2026, 5:35 AM 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 14, 2026, 5:35 AM EDT
Not listed No phase listed Observational

Appetite Suppression / Hormone Study Control Group

NCT02029677
View directory record Official record
Conditions
Morbid Obesity, Bariatric Surgery Patient
Interventions
Not listed
Lead sponsor
Oregon Weight Loss Surgery, LLC
Other
Eligibility
18 Years to 69 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional Results available

Pancreatic Enzymes to Restore Digestive Function in Malnourished Gastric Bypass Patients

NCT00510744
View directory record Official record
Conditions
Obesity
Interventions
pancreatic enzyme supplement
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Administration and Post-operative Opioid Use With Bariatric Surgery

NCT01194089
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Nasal Nicotine Spray, Nasal Normal Saline Spray
Drug
Lead sponsor
Toby Weingarten
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Sep 14, 2026, 5:35 AM EDT
Withdrawn Phase 4 Interventional

Bariatric Dose-ranging Study With Dexmedetomidine

NCT00363935
View directory record Official record
Conditions
Abdominal Surgery Patients
Interventions
Dexmedetomidine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Timeline
2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-op Use of Incentive Spirometry in Obese Patients

NCT01004146
View directory record Official record
Conditions
Lung Function, Bariatric Surgery
Interventions
Incentive Spirometry
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2014 · Synced Sep 14, 2026, 5:35 AM EDT
Terminated Not applicable Interventional Results available

Intravenous Acetaminophen Use With Bariatric Surgery on Morbidly Obese Patients

NCT01527942
View directory record Official record
Conditions
Obesity, Pain
Interventions
Acetaminophen, Placebo
Drug
Lead sponsor
Trinity Health Of New England
Other
Eligibility
20 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Sep 14, 2026, 5:35 AM EDT
Withdrawn No phase listed Observational

Potential Benefits of Sleeve Gastrectomy Surgery on Diabetic Gastroparesis Symptoms

NCT03376399
View directory record Official record
Conditions
Weight Loss, Diabetic Gastroparesis, Bariatric Surgery Candidate, Sleeve Gastrectomy, Gastric Emptying
Interventions
Gastroparesis Cardinal Symptom Index Questionnaire
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Timeline
2017 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 14, 2026, 5:35 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 Sep 14, 2026, 5:35 AM EDT
Active, not recruiting Phase 1 Interventional

Semaglutide (SEMA) for Alcohol Use Disorder (AUD) After Metabolic and Bariatric Surgery (MBS)

NCT07223983
View directory record Official record
Conditions
Alcohol Use Disorder, Weight Loss, Bariatric Surgery Patients
Interventions
Semaglutide 1.0 mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Sedentary Time in Obese Adults

NCT01688804
View directory record Official record
Conditions
Sedentary Behavior
Interventions
Behavioral intervention to reduce sedentary time delivered via mobile smartphone
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Sep 14, 2026, 5:35 AM 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 13, 2026 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional Results available

Study of the Effect of the Drug Gabapentin on Postoperative Pain and Incidence of Postoperative Nausea and Vomiting

NCT00886236
View directory record Official record
Conditions
Obesity, Morbid, Postoperative Pain, Postoperative Nausea and Vomiting
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional

Aromatherapy in Management of Postoperative Nausea in Post-Bariatric Surgery Patients

NCT03130218
View directory record Official record
Conditions
Bariatric Surgery Candidate, Nausea, Postoperative
Interventions
Peppermint oil aromatherapy
Other
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Bariatric Surgery on Metabolism, the Metabolome and Microbiome in Patients With Type 2 Diabetes

NCT02762708
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass (RYGB), Caloric Restriction, Exendin-9,39, Normal Saline
Procedure · Behavioral · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 14, 2026, 5:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
View directory record Official record
Conditions
Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
Interventions
Patch MD MultiVitamin Plus patch
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 14, 2026, 5:35 AM EDT
Completed No phase listed Observational Results available

Cardiovascular Outcomes in Bariatric Surgery Patients With Type 2 Diabetes

NCT03955952
View directory record Official record
Conditions
Obesity, Type2 Diabetes, Bariatric Surgery Candidate
Interventions
Bariatric Surgery
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
91,700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 14, 2026, 5:35 AM EDT
Active, not recruiting Not applicable Interventional

The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes

NCT01047735
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Not applicable Interventional

Laparoscopic Gastric Plication Operation for Patients With Severe or Morbid Obesity

NCT01207609
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparoscopic Gastric Plication
Procedure
Lead sponsor
Ponce, Jaime, M.D.
Individual
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Dalton, Georgia • Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 1, 2016 · Synced Sep 14, 2026, 5:35 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Regional TAP Block for Bariatric Patients

NCT04051684
View directory record Official record
Conditions
Bariatric Surgery, Transverse Abdominal Plane Regional Blocks
Interventions
Transverse abdominal plane block, Ropivacaine
Procedure · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Sep 14, 2026, 5:35 AM EDT