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ClinicalTrials.gov public records Last synced Sep 30, 2026, 11:11 PM EDT

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Showing 49–72 of 133 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bariatric Surgery Patient Clear all
Completed Phase 2 Interventional Results available

Delivery of G-Pump™ (Glucagon Infusion) From an OmniPod® to Prevent Hypoglycemia in Post-Bariatric Surgery Patients

NCT02733588
View directory record Official record
Conditions
Hypoglycemia, Complications of Bariatric Procedures
Interventions
G-Pump™ (glucagon infusion)
Drug
Lead sponsor
Xeris Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Sep 30, 2026, 11:11 PM 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 11, 2026 · Synced Sep 30, 2026, 11:11 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 27, 2025 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Phase 1 Interventional

Effect of a Monthly High Dose of Vitamin D3 on Bariatric Surgery Patients

NCT02477956
View directory record Official record
Conditions
Morbid Obesity, Vitamin D Deficiency
Interventions
vitamin D3 (Replesta), vitamin D
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2015 · Synced Sep 30, 2026, 11:11 PM 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 3, 2022 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Physical Activity Among Inactive Bariatric Surgery Patients (Bari-Active)

NCT00962325
View directory record Official record
Conditions
Physical Activity, Weight Loss, Health-related Quality of Life
Interventions
Intervention to increase physical activity
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Sep 30, 2026, 11:11 PM 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 Jun 1, 2020 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Not applicable Interventional

Decreasing Post-Operative Nausea and Vomiting in the Bariatric Surgical Patient

NCT06110416
View directory record Official record
Conditions
Nausea, Postoperative, Vomiting, Postoperative
Interventions
nausea relief inhaler
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Mansfield, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational Results available

Tylenol Levels in Bariatric Patients

NCT02982928
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Phase 4 Interventional Results available

Preoperative Pain Control in Gastric Bypass Surgery Patients

NCT01801189
View directory record Official record
Conditions
Post-operative Pain
Interventions
Pregabalin, Placebo (for Pregabalin)
Drug
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years to 70 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Phase 4 Interventional

Pain Control in Bariatric Patients: EXPAREL(R) vs. the On-Q(R) Pain Ball

NCT02142829
View directory record Official record
Conditions
Obesity
Interventions
EXPAREL, On-Q Pain Ball
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Sep 30, 2026, 11:11 PM EDT
Recruiting Not applicable Interventional

Use of Transcutaneous Electrical Nerve Stimulation Device, Reletex Reliefband, With Current ERAS (Enhanced Recovery After Surgery) Protocol to Further Decrease Postoperative Nausea and Vomiting in the Bariatric Surgical Patient Within the First 24 Hours Postoperatively.

NCT07063979
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Bariatric Sleeve Gastrectomy
Interventions
Wearable Transcutaneous electrical Nerve Stimulation unit to mitigate postoperative nausea and vomiting (PONV) in the Bariatric Surgical Patient, A sham device that will mimic the active wearable device. It will look the same, and buzz but will not actually admit a low-leve electric current that would stimulate the nerves.
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Plainsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational

Effect of Continuous Positive Airway Pressure (CPAP) on Lower Esophageal Sphincter Pressure in Morbidly Obese Patients

NCT01099735
View directory record Official record
Conditions
Sleep Apnea, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 30, 2019 · Synced Sep 30, 2026, 11:11 PM 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 7, 2025 · Synced Sep 30, 2026, 11:11 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 21, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Completed Not applicable Interventional Results available

Continuous Glucose Monitoring to Reduce Hypoglycemia and Improve Safety After Gastric Surgery

NCT03353415
View directory record Official record
Conditions
Hypoglycemia, Reactive, Hypoglycemia
Interventions
Dexcom CGM masked, Dexcom CGM unmasked
Device
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational

Comparative Effectiveness of Bariatric Surgery Versus Medical Management to Induce Diabetes Remission in Diabetic Patients With BMI 30-35

NCT01423877
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational

Protocol for the Assessment of Variability in Histology and Gene Expression in Bariatric Surgery Patients.

NCT00280527
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 20, 2011 · Synced Sep 30, 2026, 11:11 PM EDT
Recruiting Not applicable Interventional

Motivating Increases in Physical Activity for Prevention of Weight Regain After Metabolic Bariatric Surgery

NCT06484621
View directory record Official record
Conditions
Obesity
Interventions
Acceptance and Commitment Therapy-Based Physical Activity Intervention, Physical Activity Education Control
Behavioral
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Not yet recruiting Phase 1 Interventional

Development of a MHBC Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients

NCT07224087
View directory record Official record
Conditions
Obesity, Smoking Cessation, Bariatric Surgery Patients
Interventions
Naltrexone Hydrochloride, Bupropion HCl Extended Release, Cognitive-Behavioral Therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational

Small Bowel Length and Bariatric Surgery Outcomes

NCT02872493
View directory record Official record
Conditions
Malnutrition, Obesity, Weight Loss, Micronutrient Deficiency
Interventions
Small bowel length measurement
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Sep 30, 2026, 11:11 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 5, 2021 · Synced Sep 30, 2026, 11:11 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Multiple Health Behavior Change (MHBC) Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients

NCT07398404
View directory record Official record
Conditions
Obesity, Smoking Cessation, Bariatric Surgery Patients
Interventions
Naltrexone hydrochloride, Bupropion Hydrochloride Extended-release, Cognitive-Behavioral Therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 30, 2026, 11:11 PM EDT
Completed No phase listed Observational

Comparison of Obesity Alleles Among Diverse Demographic Patients

NCT01396096
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
Not listed
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 30, 2026, 11:11 PM EDT