Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 28, 2026, 10:29 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 212 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gastric Bypass Clear all
Completed No phase listed Observational

Laparoscopic Revision of Jejunoileal Bypass to Gastric Bypass

NCT01040533
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 29, 2009 · Synced Oct 28, 2026, 10:29 AM EDT
Completed No phase listed Observational

Wound Repair and Body Contouring Surgery After Gastric Bypass

NCT00609037
View directory record Official record
Conditions
Obesity, Morbid
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Oral Acetaminophen for Post-Op Pain Management in Bariatric Surgery Patients

NCT06658574
View directory record Official record
Conditions
Post Operative Analgesia, Bariatric Surgery, Bariatric Surgery (Gastric Bypass), Bariatric Surgery Patients, Perioperative Analgesia
Interventions
Acetaminophen
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Enhanced Recovery After Surgery in Laparoscopic Sleeve Gastrectomy

NCT03520803
View directory record Official record
Conditions
Obesity
Interventions
Enhanced recovery after surgery protocol
Other
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 28, 2026, 10:29 AM EDT
Not listed Not applicable Interventional

The S.L.I.M.M.S. Procedure for Severe Clinical Obesity

NCT04592601
View directory record Official record
Conditions
Morbid Obesity, Metabolic Syndrome, Type2 Diabetes, Insulin Resistance
Interventions
S.L.I.M.M.S. Procedure
Procedure
Lead sponsor
The N.E.W. Program
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Newport Beach, California • Tustin, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Study on Impact of Lifestyle Change and Weight Loss Before Bariatric Surgery

NCT00623792
View directory record Official record
Conditions
Severe Obesity, Bariatric Surgery
Interventions
Preoperative lifestyle Intervention
Behavioral
Lead sponsor
Duquesne University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Effect of Meal Number, Frequency, and Form on Satiety and Metabolism After Weight Loss Surgery

NCT01938469
View directory record Official record
Conditions
Gastric Bypass Surgery, Obesity
Interventions
Liquid Meal, Solid Meal
Other
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 29, 2016 · Synced Oct 28, 2026, 10:29 AM EDT
Available No phase listed Expanded access

An Expanded Access Protocol to Provide Avexitide in Patients With Post-Bariatric Hypoglycemia

NCT07582874
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 28, 2026, 10:29 AM EDT
Completed No phase listed Observational

Reversal of Obesity Cardiomyopathy

NCT01372397
View directory record Official record
Conditions
Cardiomyopathy
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
35 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 28, 2026, 10:29 AM EDT
Terminated No phase listed Observational Results available

Metabolic Factors of Outcomes From Gastric Bypass Surgery

NCT01347840
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2012 · Synced Oct 28, 2026, 10:29 AM EDT
Terminated Phase 1 Interventional

Rosuvastatin Interethnic PK Study

NCT02215174
View directory record Official record
Conditions
Statin Pharmacokinetics Pre and Post Gastric Bypass Surgery
Interventions
Rosuvastatin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Early Phase 1 Interventional

The Contribution of Incretin Hormones to the Amelioration of Glucose Metabolism After Roux-en-Y Gastric Bypass

NCT01843855
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 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 28, 2026, 10:29 AM EDT
Completed No phase listed Observational

Metabolomics of Roux-en-Y Gastric Bypass (RYGB) With Gastrostomy

NCT00887302
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 28, 2026, 10:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prospective Study of Hormone Levels After Bariatric Surgery

NCT00627315
View directory record Official record
Conditions
Obesity
Interventions
Gastric bypass, Gastric banding
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

IV Lidocaine on Postoperative Pain and QOR on Morbid Obese Patients Undergoing Bypass Surgery

NCT01180660
View directory record Official record
Conditions
Pain, Obesity
Interventions
Lidocaine Infusion, Normal Saline
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

A Pilot Study of the Efficacy of Alli in the Management of Pre-operative Weight Loss Required for Bariatric Surgery.

NCT01035333
View directory record Official record
Conditions
Obesity
Interventions
Orlistat
Drug
Lead sponsor
Albany College of Pharmacy and Health Sciences
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2014 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Pramlintide (Symlin) for the Treatment of Hypoglycemia Following Gastric Bypass Surgery

NCT01841359
View directory record Official record
Conditions
Hypoglycemia, Evidence of Previous Gastric Surgery
Interventions
Pramlintide
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 28, 2026, 10:29 AM EDT
Recruiting Not applicable Interventional

GI Oxalate Absorption

NCT05356000
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery

NCT01138475
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Not applicable Interventional Results available

Laparoscopic Gastric Bypass vs LAP-BAND for Treatment of Morbid Obesity

NCT00247377
View directory record Official record
Conditions
Morbid Obesity
Interventions
Gastric bypass surgery, Lap-Band
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 60 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Oct 28, 2026, 10:29 AM EDT
Recruiting Not applicable Interventional

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

NCT05838300
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 28, 2026, 10:29 AM EDT
Recruiting Phase 3 Interventional

Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient

NCT04268849
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 3, 2025 · Synced Oct 28, 2026, 10:29 AM EDT
Completed Early Phase 1 Interventional

Determinants of Diabetes Remission After Gastric Bypass Surgery

NCT02287285
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 24, 2020 · Synced Oct 28, 2026, 10:29 AM EDT
Completed No phase listed Observational

Roux-en-Y Gastric Bypass and Weight Regain

NCT02302898
View directory record Official record
Conditions
Obesity
Interventions
Eating Behavior Evaluation, Measurement of Functional gastric volume, Measurement of gastric pouch and GJ size
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years to 60 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Oct 28, 2026, 10:29 AM EDT