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ClinicalTrials.gov public records Last synced Nov 11, 2026, 8:56 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 566 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Weight loss surgery Clear all

Conditions: Lisdexamfetamine
Interventions: Lisdexamfetamine; Drug
Lead sponsor: North Dakota State University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: Fargo, North Dakota

Conditions: Obesity, Vitamin D Deficiency
Interventions: Vitamin D3 and Calcium; Dietary Supplement
Lead sponsor: Vadim Sherman, MD; Other
Eligibility: 18 Years to 65 Years · Female only
Enrollment: 37 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2015
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Obesity
Interventions: EndoFLIP device (FDA Device Listing Number : D091203); Device
Lead sponsor: Crospon; Industry
Eligibility: 18 Years and older
Enrollment: 35 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Hurst, Texas

Conditions: Obesity, Type 2 Diabetes
Interventions: Gastric Banding, Medical Weight Loss, Gastric Bypass; Procedure · Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 21 Years to 64 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Obesity
Interventions: Tai Chi; Other
Lead sponsor: Hartford Hospital; Other
Eligibility: 18 Years to 70 Years
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Hartford, Connecticut

Conditions: Body Fat Disorder
Interventions: The Zeltiq CoolSculpting System; Device
Lead sponsor: Zeltiq Aesthetics; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014
U.S. locations: 2
States / cities: Sacramento, California • Dallas, Texas

Conditions: Obesity, Morbid
Interventions: Not listed
Lead sponsor: Virginia Commonwealth University; Other
Eligibility: 12 Years to 75 Years
Enrollment: 8,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1980 – 2027
U.S. locations: 1
States / cities: Richmond, Virginia

Conditions: Diabetes Mellitus, Type 2, Obesity
Interventions: Laparoscopic sleeve gastrectomy, Intensive medical management; Procedure · Behavioral
Lead sponsor: 59th Medical Wing; Federal
Eligibility: 18 Years to 65 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2014
U.S. locations: 1
States / cities: San Antonio, Texas

Conditions: Endometrial Cancer Survivors, Weight Management, Early Stage Endometrial Cancer
Interventions: Weight loss with pharmacotherapy, Weight loss without pharmacotherapy; Behavioral
Lead sponsor: University of Kansas Medical Center; Other
Eligibility: 18 Years and older · Female only
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2030
U.S. locations: 1
States / cities: Kansas City, Kansas

Conditions: Obstructive Sleep Apnea, Obesity
Interventions: Laparoscopic Gastric Banding, Continuous Positive Airway Pressure; Procedure
Lead sponsor: University of Pittsburgh; Other
Eligibility: 18 Years to 65 Years
Enrollment: 53 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2014
U.S. locations: 2
States / cities: Boston, Massachusetts

Conditions: Obesity, Osteoarthritis
Interventions: Not listed
Lead sponsor: Geisinger Clinic; Other
Eligibility: 22 Years to 75 Years
Enrollment: 289 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2024
U.S. locations: 1
States / cities: Danville, Pennsylvania

Conditions: Metabolic and Nutritional Complications, Protein Malnutrition, Intestinal Malabsorptive Syndrome, Metabolic Bone Disease
Interventions: Not listed
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years to 65 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009
U.S. locations: 1
States / cities: Fresno, California

Conditions: Weight Loss, Reflux
Interventions: Metabolic and Hormonal profile; Other
Lead sponsor: Northwell Health; Other
Eligibility: 18 Years to 75 Years
Enrollment: 4 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: New York, New York

Conditions: Adolescent Obesity
Interventions: Not listed
Lead sponsor: New York State Psychiatric Institute; Other
Eligibility: 12 Years to 18 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2010
U.S. locations: 1
States / cities: New York, New York

Conditions: Obesity
Interventions: Bariatric surgery; Procedure
Lead sponsor: Ascension St. Vincent Carmel Hospital; Other
Eligibility: 18 Years and older
Enrollment: 414 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 1
States / cities: Carmel, Indiana

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

Conditions: Morbid Obesity
Interventions: Laparscopic Sleeve Gastrectomy, Weight Watchers Program; Procedure · Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years to 65 Years · Female only
Healthy volunteers: Accepts healthy volunteers
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Obesity, Morbid
Interventions: Reimagining Us in the Context of Bariatric Surgery (ReConnect); Behavioral
Lead sponsor: Larissa McGarrity, Ph.D.; Other
Eligibility: 18 Years and older
Enrollment: 82 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Osteoarthritis, Knee, Osteoarthritis, Hip, Avascular Necrosis, Rheumatoid Arthritis
Interventions: POPOP (preoperative patient optimization program), SOC (standard of care); Other
Lead sponsor: University of Arkansas; Other
Eligibility: 18 Years to 80 Years
Enrollment: 46 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: Little Rock, Arkansas

Conditions: Proteinuria
Interventions: Not listed
Lead sponsor: Indiana University; Other
Eligibility: 18 Years and older
Enrollment: 200 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: Indianapolis, Indiana

Conditions: Bariatric Surgery Candidate
Interventions: Protein; Dietary Supplement
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years to 70 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2019
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Obesity, Obesity, Morbid, Obesity; Endocrine, Bariatric Surgery Candidate
Interventions: Gastric mucosal devitalization; Procedure
Lead sponsor: Johns Hopkins University; Other
Eligibility: 28 Years to 60 Years
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Obesity, Obesity, Morbid, Obesity Associated Disorder, Bariatric Surgery Candidate, Fistula, Gastric, Roux-en-y Anastomosis Site, Ulcer, Gastric, Abdominal Pain, Abdominal Obesity, Complication of Surgical Procedure, Complication of Treatment, Complication,Postoperative, Weight Gain, Weight Loss, Leak, Anastomotic, Delayed Gastric Emptying Following Procedure
Interventions: Primary Obesity Endoscopic Procedures, Endoscopic Revision of Bariatric Surgical Procedures, Bariatric Surgery Procedures, Endoscopic Sleeve Gastroplasty, Trans-oral Outlet Reduction, Intragastric Balloon, Primary obesity surgery endoluminal, Restorative obesity surgery endoluminal, Argon Plasma Coagulation, Gastroplasty with Endoscopic Myotomy, Bariatric Endoscopic Antral Myotomy, Pylorus Sparing Antral Myotomy, Aspiration Therapy; Procedure · Device
Lead sponsor: Christopher C. Thompson, MD, MSc; Other
Eligibility: 18 Years to 80 Years
Enrollment: 5,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2029
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Asthma
Interventions: Not listed
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: Atlanta, Georgia

Search by objective public record fields.

Pharmacokinetics of Lisdexamfetamine (Vyvanse®) in Post-bariatric Surgery Patients

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

LapBand Adjustment to Improve Early Weight Loss

Improving Diabetes Through Lifestyle and Surgery

Tai Chi as a Novel Strategy to Increase Physical Activity Among Adults Pursuing Metabolic and Bariatric Surgery

CoolSculpting of the Flank With Alternate Treatment Parameters

Bariatric Surgery Registry

Sleeve Gastrectomy Versus Medical Management for Remission of Diabetes in Mild to Moderately Obese Patients

Weight Loss Management in Endometrial Cancer Survivors

Apnea, Bariatric Surgery Versus Continuous Positive Airway Pressure (CPAP) Trial

Surgical Weight-Loss to Improve Functional Status Trajectories Following Total Knee Arthroplasty (SWIFT Trial)

Laparoscopic Revision From Biliopancreatic Diversion to Gastric Bypass

Mechanism of Weight Loss After Endoscopic and Laparoscopic Sleeve Procedures

The Development of an Eating Laboratory for Overweight Adolescents

The Long Term Impact of Bariatric Surgery on Quality of Life

Multimodal Analgesia Effect on Post Surgical Patient

Laparoscopic Sleeve Gastrectomy Plus Weight Watchers vs. Weight Watchers Alone in Underserved Minority Women

Positive Psychology Intervention for Patients Post-bariatric Surgery and Their Partners

Impact of a POPOP on Preoperative Health, Eligibility, and Clinical & Patient-Reported Outcomes in TJA

Bariatric Surgery and the Kidney

Protein Supplementation Post Bariatric Surgery

Endoscopic Gastric Mucosal Devitalization (GMD) as a Primary Obesity Therapy

Endoscopic Metabolic and Bariatric Therapies

Study to Evaluate the Effects of Weight Loss on Airway Inflammation and Mechanics in Subjects With Asthma (Asthma-Bariatric Surgery Study)