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ClinicalTrials.gov public records Last synced Sep 30, 2026, 4:36 AM EDT

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Showing 49–72 of 453 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bariatric Surgical Procedure Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers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 Jun 1, 2020 · Synced Sep 30, 2026, 4:36 AM EDT
Recruiting Not applicable Interventional

Post-sleeve Gastrectomy Gastroesophageal Reflux Disease Prediction

NCT04411823
View directory record Official record
Conditions
Gastroesophageal Reflux, Sleeve Gastrectomy, Bariatric Surgery Complication
Interventions
EndoFLIP measurement
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Orlando, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 30, 2026, 4:36 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Bariatric Surgeries on Glucose Metabolism

NCT02823665
View directory record Official record
Conditions
Post Bariatric Surgery, Gastric Bypass, Sleeve Gastrectomy, Hypoglycemia After Gastric Bypass
Interventions
Exendin-(9-39), Atropine
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 30, 2026, 4:36 AM EDT
Recruiting No phase listed Observational

Alcohol After Bariatric Surgery 2

NCT06257771
View directory record Official record
Conditions
Sleeve Gastrectomy
Interventions
Alcohol (Ethanol)
Drug
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
21 Years to 64 Years
Enrollment
88 participants
Timeline
2024 – 2028
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Not applicable Interventional

Postoperative Dietary Counseling After Bariatric Surgery

NCT00125073
View directory record Official record
Conditions
Obesity
Interventions
Postoperative nutritional counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Timeline
2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 28, 2010 · Synced Sep 30, 2026, 4:36 AM EDT
Completed No phase listed Observational

Psychological Symptoms Among Adolescents Enrolled in a Bariatric Surgery Program

NCT01079377
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
12 Years to 18 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 30, 2026, 4:36 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Phase 1 Interventional Results available

PET Imaging and Bariatric Surgery

NCT00801827
View directory record Official record
Conditions
Obesity, Morbid
Interventions
F-18 (fallypride)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Phase 1 Interventional

Antibiotics, Gastric Bypass, and the Microbiome

NCT05367479
View directory record Official record
Conditions
Obesity, Morbid, Hypertension, Bariatric Surgery Candidate
Interventions
Antibiotic
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Sep 30, 2026, 4:36 AM 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 Sep 30, 2026, 4:36 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 7, 2016 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastric Artery Embolization Trial for Lessening Appetite Nonsurgically

NCT02248688
View directory record Official record
Conditions
Arterial Embolization, Other Surgical Procedures, Obesity
Interventions
BeadBlock 300 - 500 Micron, Left Gastric Artery Embolization
Device · Procedure
Lead sponsor
Dayton Interventional Radiology
Other
Eligibility
22 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Virtual Support Pilot Program for Weight Loss Surgery Patients

NCT01770366
View directory record Official record
Conditions
Weight, Physical Activity
Interventions
Weight and Exercise Lifestyle Support (WELS), Usual Care
Device
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2015 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Not applicable Interventional

Effect of Meal Number, Frequency, and Form on Satiety and Metabolism After Weight Loss Surgery

NCT01938469
View directory record Official record
Conditions
Gastric Bypass Surgery, Obesity
Interventions
Liquid Meal, Solid Meal
Other
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 29, 2016 · Synced Sep 30, 2026, 4:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Contributing Factors in the Pathobiology of Airway Remodeling in Obesity

NCT03115632
View directory record Official record
Conditions
Asthma, Obesity, Obesity, Morbid, Bariatric Surgery Candidate
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2023 · Synced Sep 30, 2026, 4:36 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Simethicone as Part of ERAS in Bariatric Surgery Patients

NCT06812832
View directory record Official record
Conditions
Simethicone, Bariatric Surgery, Post-operative Pain
Interventions
Simethicone 80 MG, Placebo
Drug
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Sep 30, 2026, 4:36 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 Aug 21, 2026 · Synced Sep 30, 2026, 4:36 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 8, 2014 · Synced Sep 30, 2026, 4:36 AM 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 22, 2013 · Synced Sep 30, 2026, 4:36 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 14, 2026 · Synced Sep 30, 2026, 4:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Venlafaxine PK Following Bariatric Surgery

NCT02005107
View directory record Official record
Conditions
Roux en Y Gastric Bypass, Sleeve Gastrectomy
Interventions
Venlafaxine IR and Venlafaxine XR
Drug
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Sep 30, 2026, 4:36 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 17, 2026 · Synced Sep 30, 2026, 4:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Comparison Between Pyloric Preserving and Non-Pyloric Preserving Bariatric Surgery With Glucose Challenge

NCT00998374
View directory record Official record
Conditions
Hypoglycemia, Obesity
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
19 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Sep 30, 2026, 4:36 AM EDT
Active, not recruiting Not applicable Interventional

Weight Loss Clinical Decision Support

NCT05198765
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
BMI-CDS
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
10,120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 30, 2026, 4:36 AM EDT