- 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
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Showing 1–24
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- 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
- Conditions
- Obesity
- Interventions
- Roux-en-Y gastric bypass surgery, Low-calorie diet
- Procedure · Behavioral
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 25 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2026
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder, Overweight and Obesity, Overweight, Overweight or Obesity, Diabetes Type 2, Diabetes Mellitus, Diabetes Mellitus, Type 2, Hypertension, Hyperlipidemias, Sleep Apnea, GERD, Gastroesophageal Reflux, Musculoskeletal Pain Disorder, Cancer
- Interventions
- Blood Collection, Urine Collection, Tissue Sample Collection
- Diagnostic Test
- Lead sponsor
- Pichamol Jirapinyo, MD, MPH
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Bariatric Surgery Candidate, Kidney Stone
- Interventions
- Special low-oxalate diet followed by all-day visit to University of Chicago research clinic
- Other
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Obesity, Protein-energy; Imbalance, Insulin Sensitivity, Gastrointestinal Complication
- Interventions
- Laparoscopic Roux-en-Y gastric bypass, Laparoscopic gastric banding, Laparoscopic sleeve gastrectomy, Low Calorie Diet
- Procedure · Behavioral
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Baton Rouge, Louisiana
- Conditions
- Iron Deficiency Anemia
- Interventions
- Ferumoxytol, Saline, Ferrous sulfate tablets, Vitamin C
- Drug
- Lead sponsor
- Auerbach Hematology Oncology Associates P C
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 104 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Bariatric Surgery Candidate, Sexual Function and Fertility Disorders
- Interventions
- Semen Analysis, Hormonal panel, RYGB Gastric Bypass, IIEF Survey
- Diagnostic Test · Procedure
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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
- Laparoscopic Sleeve Gastrectomy, Sleeve Gastrectomy
- Interventions
- Roux-en-Y Gastric Bypass, Sleeve Gastrectomy
- Procedure
- Lead sponsor
- Methodist Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 400 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Post-bariatric Hypoglycemia
- Interventions
- Avexitide
- Drug
- Lead sponsor
- Amylyx Pharmaceuticals Inc.
- Industry
- Eligibility
- 18 Years and older
- U.S. locations
- 4
- States / cities
- Boston, Massachusetts • Morehead City, North Carolina • Mesquite, Texas + 1 more
- Conditions
- Gastric Bypass, Weight Regain
- Interventions
- Napoleon, Visual estimation
- Device · Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • New York, New York
- Conditions
- Marginal Ulcer, Chronic Ulcer Disease, Persistent Ulcer Disease, Recurrent Ulcer Disease, Late Morbidity After Gastric Bypass
- Interventions
- Not listed
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Fresno, California
- Conditions
- Roux-en-y Anastomosis Site, Marginal Ulcer, Marginal Ulcer (Peptic) or Erosion, Ulcer, Ulcer, Gastric, Ulcer Gastrointestinal, Abdominal Pain, Nausea, Vomiting, GastroIntestinal Bleeding, Dysphagia, Ulcer Gastrojejunal
- Interventions
- Low Thermal Plasma (LTP) Treatment, Standard of Care Ulcer Treatment (typically PPI Administration)
- Procedure · Other
- Lead sponsor
- Christopher C. Thompson, MD, MSc
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Bariatric Surgery Candidate
- Interventions
- Not listed
- Lead sponsor
- Intuitive Surgical
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 1,872 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Orlando, Florida
- Conditions
- Obesity, Surgery
- Interventions
- Roux-en-Y Gastric Bypass, Vertical Sleeve Gastrectomy
- Procedure
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 13 Years to 25 Years
- Enrollment
- 240 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Diabetes Mellitus, Type 2, Obesity
- Interventions
- Gastric bypass, Sleeve Gastrectomy
- Procedure
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 20 Years to 60 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2016
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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
- Interventions
- Transoral Suturing, Sham Endoscopy
- Device · Other
- Lead sponsor
- C. R. Bard
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 10
- States / cities
- Denver, Colorado • Baltimore, Maryland • Boston, Massachusetts + 7 more
- Conditions
- Gastric Bypass, Parathyroid Hormone
- Interventions
- Paricalcitol, Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Kerstyn C. Zalesin, M.D.
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan
- Conditions
- Bleeding Marginal Ulcer
- Interventions
- Not listed
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Fresno, California
- Conditions
- Severe Obesity
- Interventions
- RYGB for surgical treatment of severe obesity
- Procedure
- Lead sponsor
- Baylor Research Institute
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Type II Diabetes Mellitus, Obesity
- Interventions
- Gastric Band, Gastric Sleeve, Gastrostomy Tube
- Procedure
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 18 Years to 60 Years · Female only
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- 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