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ClinicalTrials.gov public records Last synced Nov 5, 2026, 8:20 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 717 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Metabolic Surgery Clear all

Conditions: Obesity, Obesity, Childhood
Interventions: Parent-based prevention following bariatric surgery; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Stanford, California

Conditions: Obesity
Interventions: Ketamine, Ketamine plus magnesium, Placebo; Drug · Other
Lead sponsor: Milton S. Hershey Medical Center; Other
Eligibility: 18 Years to 80 Years
Enrollment: 108 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: Hershey, Pennsylvania

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

Conditions: Obesity, Asthma
Interventions: Not listed
Lead sponsor: National Jewish Health; Other
Eligibility: 18 Years and older
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2007
U.S. locations: 1
States / cities: Denver, Colorado

Conditions: Malnutrition
Interventions: Natural Orifice Translumenal Endoscopic Surgery; Procedure
Lead sponsor: University Hospitals Cleveland Medical Center; Other
Eligibility: 18 Years to 85 Years
Enrollment: 1 participant
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: Cleveland, Ohio

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: Bariatric Surgery Candidate, Diet Modification
Interventions: Dietary modification with introduction of Mankai; Other
Lead sponsor: Cleveland Clinic Florida; Other
Eligibility: 18 Years and older
Enrollment: 3 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Weston, Florida

Conditions: Obesity
Interventions: TMS followed by sham TMS, Sham TMS followed by TMS; Device
Lead sponsor: Hartford Hospital; Other
Eligibility: 18 Years to 60 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Hartford, Connecticut

Conditions: Bone Loss, Bone Density, Gastric Bypass, Bariatric Surgery
Interventions: Not listed
Lead sponsor: Gundersen Lutheran Medical Foundation; Other
Eligibility: 30 Years to 65 Years · Female only
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2009
U.S. locations: 1
States / cities: La Crosse, Wisconsin

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

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

Conditions: Diabetes, Hyperglycemia, Surgical Site Infection
Interventions: Tight Glycemic, Conventional Glycemic, Standard Glycemic; Drug
Lead sponsor: James A. Haley Veterans Administration Hospital; Federal
Eligibility: 21 Years and older
Enrollment: 37 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Bariatric Surgery
Interventions: Warm humidified CO2, Dry CO2; Device
Lead sponsor: The University of Texas Health Science Center, Houston; Other
Eligibility: 18 Years to 65 Years
Enrollment: 54 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Bariatric Surgery
Interventions: Duloxetine; Drug
Lead sponsor: Neuropsychiatric Research Institute, Fargo, North Dakota; Other
Eligibility: 18 Years to 60 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Fargo, North Dakota

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

Conditions: Bariatric Surgery Candidate
Interventions: Alcohol; Other
Lead sponsor: Neuropsychiatric Research Institute, Fargo, North Dakota; Other
Eligibility: 21 Years to 65 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: Fargo, North Dakota

Conditions: Obesity and Obesity-related Medical Conditions, Bariatric Surgery
Interventions: Same Day Discharge; Other
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 25 Years to 55 Years
Enrollment: 200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Bariatric Surgery Candidate, Bone Loss, Bone Resorption
Interventions: Zoledronic Acid 5 mg/Bag 100 ml Inj, Placebos; Drug
Lead sponsor: University of Nebraska; Other
Eligibility: 19 Years and older
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Omaha, Nebraska

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

Conditions: Patients Who Consented to Undergo Laparoscopic Gastric Banding Surgery for Weight Loss and Consent to Participate in This studyBMI ≥35 kg/m2, Confirmed Type 2 Diabetes Treated With Oral Agents and/or Only Diet Therapy, Age 18-64 Years
Interventions: Omentectomy, No intervention; Procedure · Other
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years to 64 Years
Enrollment: 11 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: New York, New York

Conditions: Intestinal Perforation
Interventions: Sentire; Device
Lead sponsor: Dan E. Azagury; Other
Eligibility: 18 Years and older
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016
U.S. locations: 1
States / cities: Stanford, California

Conditions: Morbid Obesity, Hernia, Colorectal Cancer, Laparoscopy
Interventions: Not listed
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 250 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2009
U.S. locations: 1
States / cities: San Diego, California

Conditions: Critical Illness, Malnutrition, Gastrostomy, Procedural Sequelae, Trauma, Surgery, Mechanical Ventilation
Interventions: noFast: Start tube feeds within 1 hour of procedure; Dietary Supplement
Lead sponsor: Carilion Clinic; Other
Eligibility: 18 Years to 100 Years
Enrollment: 1,200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2026
U.S. locations: 1
States / cities: Roanoke, Virginia

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

Search by objective public record fields.

Parent-Based Intervention Following a Weight Loss Surgery

Effect of Single Dose Ketamine and Magnesium on Postoperative Pain in Patients Undergoing Bariatric Surgery

Laparoscopic Revision Gastric Bypass for Weight Recidivism

The Effect of Obesity on Lung Functioning

Prospective Evaluation of NOTES (Natural Orifice Translumenal Endoscopic Surgery) PEG "Rescue"

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

Effects of Wolffia Globosa (Mankai) in Patients Undergoing Bariatric Surgery.

Can Transcranial Magnetic Stimulation Decrease Food Reinforcement

Bone Loss After Laparoscopic Roux-en-Y Gastric Bypass

Telemedicine Follow-up for Bariatric Surgery Patients: What Do Patients Prefer

Use of Non-Invasive Positive Pressure Ventilation in Patients With Severe Obesity Undergoing Upper Endoscopy Procedures

The Effect of Tight Glycemic Control on Surgical Site Infection Rates in Patients Undergoing Open Heart Surgery

Lexion AP 50/30 Warmed Humidified Real Time CO2 Insufflation vs Airseal Recirculated CO2/Air Insufflation in Minimally Invasive Bariatric (Gastric Bypass) Surgery

Effects of Gastric Bypass on Blood Levels of Duloxetine

Loop Duodenal Switch: Outcomes at One Year

Alcohol Related Impairment and Reinforcement: Pre to Post Roux en Y Gastric Bypass Surgery

Transition to Ambulatory Bariatric Surgery (TABS) Trial

Healthy Body, Healthy Bones After Bariatric Surgery Trial

Diabetes Reversal and the Subgingival Microbiota

A Pilot Study of Metabolic Effects of Omentectomy

Evaluation of the Ability to Detect Bowel Gas During Laparoscopic Surgery

Minimally Invasive Surgery (MIS) Database for the Purpose of Research

RCT: Early Feeding After PEG Placement

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients