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Showing 1–24 of 140 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bariatric Patients Clear all
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 2, 2025 · Synced Sep 2, 2026, 1:41 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

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

NCT05958615
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Phase 4 Interventional

Pain Control in Bariatric Patients: EXPAREL(R) vs. the On-Q(R) Pain Ball

NCT02142829
View directory record Official record
Conditions
Obesity
Interventions
EXPAREL, On-Q Pain Ball
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Sep 2, 2026, 1:41 AM EDT
Suspended Phase 2Phase 3 Interventional

A Behavioral Intervention to Decrease Vomiting and Improve Weight Loss in Post-Operative Laparoscopic Adjustable Gastric Banding (LAGB) Patients

NCT01860053
View directory record Official record
Conditions
Bariatric Surgery Complications
Interventions
behavioral intervention
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 21, 2013 · Synced Sep 2, 2026, 1:41 AM EDT
Recruiting No phase listed Observational

Autonomic Dysfunction in Patients Following Bariatric Surgery: The ADiPOSE Study

NCT06289413
View directory record Official record
Conditions
Autonomic Dysfunction, Orthostatic Intolerance
Interventions
Development of AD/OI after BS
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
400 participants
Timeline
2024 – 2025
U.S. locations
8
States / cities
Overland Park, Kansas • Independence, Missouri • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 2, 2026, 1:41 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Outcomes After Weight Loss Surgery in Low-Risk Patients

NCT05699083
View directory record Official record
Conditions
Weight Loss, Bariatric Surgery
Interventions
Body Image/Self-Esteem Questionnaires
Other
Lead sponsor
Dr. Feiz & Associates
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Beverly Hills, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 2, 2026, 1:41 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Compare Neostigmine vs Sugammadex in Length of PACU Stay in Patients Undergoing Sleeve Gastrectomy Surgery

NCT03276026
View directory record Official record
Conditions
Postoperative Nausea and Vomiting, Respiratory Conditions Due to Other External Agents
Interventions
Sugammadex, Neostigmine
Drug
Lead sponsor
Virtua Health, Inc.
Other
Eligibility
18 Years to 85 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Mount Holly, New Jersey
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Not applicable Interventional

Progressive Resistance Training in Patients With Class III Obesity

NCT01100450
View directory record Official record
Conditions
Obesity
Interventions
Progressive Resistance Training
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Observational Study of Wearable Health Monitoring Device

NCT05368389
View directory record Official record
Conditions
Weight Loss
Interventions
Healthdot attachment
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational Results available

Laparoscopic Versus Transabdominal Ultrasound in Morbidly Obese Patients

NCT00971750
View directory record Official record
Conditions
Cholelithiasis, Ultrasonography, Laparoscopic Gastric Bypass
Interventions
Not listed
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
18 Years and older
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Determine Incidence of Hypoventilation in Patients Who Have Undergone Gastric Bypass

NCT00316446
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 Sep 2, 2026, 1:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Aromatherapy on Nausea Levels

NCT04882501
View directory record Official record
Conditions
Nausea, Postoperative
Interventions
QUEASEEase aromatherapy quick tab, Placebo product
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 99 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational

Laparoscopic Revision Gastric Bypass for Weight Recidivism

NCT01040572
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 28, 2009 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational

Bariatric Surgery on Short Term Weight Loss- Related Changes in Gait

NCT01447316
View directory record Official record
Conditions
Obesity, Morbid
Interventions
Subject outcomes following bariatric surgery
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Physical Activity Among Inactive Bariatric Surgery Patients (Bari-Active)

NCT00962325
View directory record Official record
Conditions
Physical Activity, Weight Loss, Health-related Quality of Life
Interventions
Intervention to increase physical activity
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Sep 2, 2026, 1:41 AM EDT
Completed No phase listed Observational

Comparative Effectiveness of Bariatric Surgery Versus Medical Management to Induce Diabetes Remission in Diabetic Patients With BMI 30-35

NCT01423877
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2014 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of Use of BariCare App in Pre-bariatric Surgery.

NCT01708135
View directory record Official record
Conditions
Obesity
Interventions
Use of smartphone app
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 15, 2014 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Administration and Post-operative Opioid Use With Bariatric Surgery

NCT01194089
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Nasal Nicotine Spray, Nasal Normal Saline Spray
Drug
Lead sponsor
Toby Weingarten
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Phase 4 Interventional

A Trial of the Cost Effectiveness of IV Acetaminophen in Bariatric Surgery

NCT02233400
View directory record Official record
Conditions
Hospital Costs, Length of Stay, Postoperative Pain Score, Patient Satisfaction
Interventions
Acetaminophen
Drug
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Allentown, Pennsylvania • Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 2, 2026, 1:41 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Bariatric Embolization of Arteries for the Treatment of Nonalcoholic Steatohepatitis

NCT02933554
View directory record Official record
Conditions
Obesity, Weight Loss, Body Weight, Nonalcoholic Steatohepatitis, Nonalcoholic Fatty Liver Disease, NAFLD
Interventions
Embospheres Microspheres
Device
Lead sponsor
Keith Pereira, MD:
Other
Eligibility
22 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 2, 2026, 1:41 AM EDT
Recruiting No phase listed Observational

Body Composition Outcomes in MS Patients

NCT07530718
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 2, 2026, 1:41 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 8, 2021 · Synced Sep 2, 2026, 1:41 AM EDT
Completed Phase 2 Interventional Results available

Delivery of G-Pump™ (Glucagon Infusion) From an OmniPod® to Prevent Hypoglycemia in Post-Bariatric Surgery Patients

NCT02733588
View directory record Official record
Conditions
Hypoglycemia, Complications of Bariatric Procedures
Interventions
G-Pump™ (glucagon infusion)
Drug
Lead sponsor
Xeris Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Sep 2, 2026, 1:41 AM EDT