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ClinicalTrials.gov public records Last synced May 22, 2026, 12:13 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 213 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gastric Bypass Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
17 Years to 66 Years
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 13, 2009 · Synced May 22, 2026, 12:13 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced May 22, 2026, 12:13 AM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Obesity
Interventions
Lactobacillus Rhamnosus GG, Placebo
Dietary Supplement
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced May 22, 2026, 12:13 AM EDT
Active, not recruiting No phase listed Observational
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 Dec 17, 2025 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
Endoscopy
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced May 22, 2026, 12:13 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Endotracheal Intubation, Rapid Airway Management Positioner
Interventions
Laryngoscopy with RAMP, Laryngoscopy without RAMP
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced May 22, 2026, 12:13 AM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Gastroesophageal Reflux Disease
Interventions
Transoral Fundoplication and Sleeve Gastrectomy, Gastric Bypass
Procedure
Lead sponsor
Lexington Health Incorporated
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2032
U.S. locations
1
States / cities
West Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Internal Hernia, Mesocolic Hernia, Petersen´s Hernia, Jejunojejunostomy Hernia, Bowel Obstruction, Ischemic Bowel
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2013 · Synced May 22, 2026, 12:13 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin 9, 39, Placebo
Drug
Lead sponsor
Adrian Vella
Other
Eligibility
20 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Clinically Severe Obesity
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2009 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Clinically Severe Obesity, Metabolic Complications After Jejunoileal Bypass, Nutritional Complications After Jejunoileal Bypass, Obesity Recidivism, Inadequate Initial Weight Loss, Intestinal Malabsorptive Syndrome, Protein Malnutrition
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2009 · Synced May 22, 2026, 12:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Obesity, Gliosis, Weight-Loss
Interventions
Behavioral Weight Loss Program, Roux-en-Y Gastric Bypass or Sleeve Gastrectomy
Behavioral · Procedure
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 64 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced May 22, 2026, 12:13 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Gastric Bypass Surgery, Obesity
Interventions
gastric bypass surgery, Diet induced weight loss
Procedure · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Morbid Obesity, Bariatric Surgery
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2012 · Synced May 22, 2026, 12:13 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin9
Drug
Lead sponsor
Blandine Laferrere
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced May 22, 2026, 12:13 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity, Morbid, Metabolic Syndrome, NASH - Nonalcoholic Steatohepatitis
Interventions
50 cm BP limb length, 100 cm BP limb length, 150 cm BP limb length
Procedure
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 80 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2031
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Gastric Bypass, Morbid Obesity
Interventions
Not listed
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 6, 2015 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Ascension St. Vincent Carmel Hospital
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Carmel, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 5, 2021 · Synced May 22, 2026, 12:13 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Diabetes, Gastric Bypass
Interventions
Mixed Meal Tolerance test, Hyperglycemic clamp
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
19 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 21, 2011 · Synced May 22, 2026, 12:13 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Obesity, Osteoarthritis
Interventions
gastric bypass surgery
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
35 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced May 22, 2026, 12:13 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Nephrolithiasis, Hyperoxaluria, Crohn's Disease
Interventions
Oxadrop, Agri-King Synbiotic (AKSB), Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 30, 2012 · Synced May 22, 2026, 12:13 AM EDT