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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:35 PM EDT

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Showing 1–24 of 261 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bariatric procedures Clear all
Terminated Not applicable Interventional

Assessment of Sleep Apnea and Its Causes Before and After Weight Loss Surgery

NCT01712269
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Weight-loss (bariatric) surgery
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 22, 2026, 2:35 PM EDT
Withdrawn Not applicable Interventional

Management of Symptomatic Gastric Sleeve Stenosis After Laparoscopic Sleeve Gastrectomy

NCT04781946
View directory record Official record
Conditions
Gastric Stenosis
Interventions
Endoscopic pneumatic balloon dilation, Gastric peroral endoscopic myotomy (G-POEM), Roux-en-Y gastric bypass (RYGB)
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NSS-2-BRIDGE Study for Total Knee and Hip Arthroplasties, Bariatric, and Kidney Transplant Surgeries

NCT03834142
View directory record Official record
Conditions
Acute Pain, Arthropathy of Knee, Arthropathy of Hip, Pain, Postoperative, Kidney Transplant Donor, Bariatric Surgery Candidate
Interventions
NSS-2 Bridge
Device
Lead sponsor
Jacques E. Chelly
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Oct 22, 2026, 2:35 PM EDT
Not listed No phase listed Observational

Bringing Weight Management Into the Primary Care Pediatric Practice

NCT05950620
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Medical obesity management.
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
1 Month to 21 Years
Enrollment
400 participants
Timeline
2022 – 2026
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Phase 2 Interventional Results available

Multi-Center Pre-Bariatric Weight Loss Study

NCT00469391
View directory record Official record
Conditions
Obesity
Interventions
GI Sleeve Implantable weight loss device (EndoBarrier), Sham Procedure
Device · Procedure
Lead sponsor
Morphic Medical Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Weston, Florida • Burlington, Massachusetts • Lebanon, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 22, 2026, 2:35 PM EDT
Terminated No phase listed Observational

Gastric Emptying Using Two Imaging Methods for Those Who Have Undergone POSE2 Weight Loss Procedure

NCT04502732
View directory record Official record
Conditions
Weight Loss
Interventions
NSSM and GEBT
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 22, 2026, 2:35 PM EDT
Completed No phase listed Observational

Autonomic Nervous System Function Following Bariatric Surgery

NCT00948545
View directory record Official record
Conditions
Bariatric Surgery
Interventions
Observational study - there is no intervention
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Liver Health and Metabolic Function in People With Obesity

NCT03701828
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Weight loss surgery
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 19, 2025 · Synced Oct 22, 2026, 2:35 PM EDT
Active, not recruiting Not applicable Interventional

Hepatic Energy Fluxes in NASH and NAS Patients

NCT03997422
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis, NAS, Overweight or Obesity, Weight Loss, Bariatric Surgery Candidate
Interventions
Vertical Sleeve Gastrectomy (VSG)
Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years to 67 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Completed No phase listed Observational

Diabetes Reversal and the Subgingival Microbiota

NCT05501093
View directory record Official record
Conditions
Diabetes type2, Bariatric Surgery Candidate
Interventions
sample collection
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
25 Years to 65 Years
Enrollment
102 participants
Timeline
2019 – 2025
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Not yet recruiting Not applicable Interventional

Gastric Ultrasound in Patients Who Have Undergone Bariatric Surgery

NCT07310875
View directory record Official record
Conditions
Obesity, Weight Loss, Gastrectomy
Interventions
Gastric Point of Care Ultrasound
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 22, 2026, 2:35 PM EDT
Terminated Not applicable Interventional

Loop Duodenal Switch: Outcomes at One Year

NCT03206736
View directory record Official record
Conditions
Obesity, Morbid
Interventions
Loop DS surgery
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 22, 2026, 2:35 PM 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 10, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Completed No phase listed Observational

Pilot Study of the Effect of Weight Loss on Breast Tissue and Blood Biomarkers in Women at Increased Risk for Breast Cancer

NCT02681120
View directory record Official record
Conditions
Breast Neoplasms, Obesity
Interventions
Biopsy, Blood draw, Mammogram, MRI
Procedure
Lead sponsor
Tarah J Ballinger, MD
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Carmel, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Not applicable Interventional

Bariatric Lap Band Surgery as a Treatment for Knee Osteoarthritis

NCT02272218
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
bariatric lap band surgery
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
25 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Oct 22, 2026, 2:35 PM EDT
Completed No phase listed Observational

Post-Market Clinical Follow-Up of STRATAFIX™ Spiral PDS™ PLUS

NCT03937011
View directory record Official record
Conditions
Bariatric - Sleeve Gastrectomy Staple Line Reinforcement, Gynecology - Vaginal Cuff Closure
Interventions
Robotic Suturing of gastric sleeve oversew and vaginal cuff closure
Device
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Miami, Florida • Albany, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Fibrosis Lessens After Metabolic Surgery

NCT06374875
View directory record Official record
Conditions
Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD), Non-Alcoholic Fatty Liver Disease, Metabolic Dysfunction-Associated Steatohepatitis (MASH), Liver Fibrosis, Obesity
Interventions
Metabolic surgery, Incretin-Based Therapy
Procedure · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
4
States / cities
Phoenix, Arizona • Indianapolis, Indiana • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Laparoscopic Transversus Abdominis Plane (TAP) Block to Reduce Post-operative Opioids

NCT04655339
View directory record Official record
Conditions
Opioid Use
Interventions
Bilateral abdominal Lap-TAP
Drug
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms Defending Fat Mass in Humans After Lipectomy

NCT00993213
View directory record Official record
Conditions
Disproportionate Shape, Expanded Fat Pads
Interventions
Standard of Care with Liposuction, Standard of Care without Liposuction
Procedure · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Oct 22, 2026, 2:35 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 Oct 22, 2026, 2:35 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Stomach Intestinal Pylorus-Sparing Bariatric Surgery

NCT05094830
View directory record Official record
Conditions
Obesity
Interventions
Stomach Intestinal Pylorus-Sparing (SIPS) Procedure
Procedure
Lead sponsor
Bradley Needleman
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 22, 2026, 2:35 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Safety and Efficacy of Adipose Derived Stem Cells for Chronic Obstructive Pulmonary Disease

NCT01559051
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Lipoaspiration with Local anesthesia
Procedure
Lead sponsor
Ageless Regenerative Institute
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Aventura, Florida
Source: ClinicalTrials.gov public record
Updated Nov 24, 2017 · Synced Oct 22, 2026, 2:35 PM EDT
Completed No phase listed Observational

Extracellular Vesicle Cargo in Obesity and Type 2 Diabetes

NCT06401876
View directory record Official record
Conditions
Glucose Intolerance, Insulin Resistance, Diabetes
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2025 · Synced Oct 22, 2026, 2:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-Invasive Reduction of Abdominal Fat

NCT01101997
View directory record Official record
Conditions
Fat Reduction
Interventions
The Zeltiq System
Device
Lead sponsor
Zeltiq Aesthetics
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
5
States / cities
Sacramento, California • Coral Gables, Florida • Hunt Valley, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Oct 22, 2026, 2:35 PM EDT