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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Low-Fat Vegan Diet Versus a Mediterranean Diet on Body Weight

NCT03698955
View directory record Official record
Conditions
Overweight, Obesity, Insulin Resistance
Interventions
Plant-based diet, Mediterranean Diet
Other
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Results available

ESSENTIAL Trial™ Sham Cross-over

NCT02279420
View directory record Official record
Conditions
Obesity
Interventions
g-Cath EZ™ Suture Anchor Delivery Catheter
Device
Lead sponsor
USGI Medical
Industry
Eligibility
23 Years to 61 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
11
States / cities
Scottsdale, Arizona • Miami, Florida • Dalton, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Of The Safety And Pharmacokinetics Of CE-326,597 In Patients With Asymptomatic Gallstones

NCT00576589
View directory record Official record
Conditions
Obesity
Interventions
CE-326,597, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
12
States / cities
Anniston, Alabama • Phoenix, Arizona • Anaheim, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2010 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional

Effects of Walnuts on Endothelial Function in Overweight Adults With at Least One Factor of Metabolic Syndrome

NCT01413646
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Walnut Supplementation, No walnut supplementation
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

A Study to Compare How Well Gadoquatrane Works and Its Safety With an Already Available Contrast Agent for MRI in People With Any Known or Suspected Problems of the Body (Except Brain or Spinal Cord-related Problems)

NCT05915728
View directory record Official record
Conditions
Contrast Enhancement in Magnetic Resonance Imaging, Non-central Nervous System Pathology
Interventions
Gadoquatrane (BAY1747846), Gadobutrol, Gadoterate meglumine, Gadoteridol
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
9
States / cities
Birmingham, Alabama • Indian Wells, California • Orange, California + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Phase 2 Interventional

An Efficacy, Safety, and Pharmacokinetics Study of Beloranib in Obese Subjects With Hypothalamic Injury

NCT02063295
View directory record Official record
Conditions
Obesity, Over-weight, Hypothalamic Injury, Craniopharyngioma
Interventions
ZGN-440 sterile diluent, ZGN-440 for injectable suspension
Drug
Lead sponsor
Zafgen, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
2
States / cities
Saint Paul, Minnesota • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 17, 2016 · Synced Sep 4, 2026, 9:24 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Laparoscopic Sleeve Gastrectomy Plus Weight Watchers vs. Weight Watchers Alone in Underserved Minority Women

NCT01929850
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparscopic Sleeve Gastrectomy, Weight Watchers Program
Procedure · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Intervention Program in Overweight Medical Students

NCT03636581
View directory record Official record
Conditions
Overweight
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2022 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Concord Grape Juice on Endothelial Function

NCT01775748
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Active Concord Grape Juice 12 oz per day, Placebo Grape Juice 12 oz per day
Other
Lead sponsor
Boston University
Other
Eligibility
50 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 11, 2018 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Black Pepper on Energy Expenditure and Substrate Utilization

NCT01729143
View directory record Official record
Conditions
Obesity
Interventions
24-hour energy expenditure and substrate utilization
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 4, 2026, 9:24 PM EDT
Terminated Not applicable Interventional

Endoscopic Suturing of the Gastric Pylorus to Delay Gastric Emptying and Treat Obesity

NCT02191501
View directory record Official record
Conditions
Obesity, Over Weight
Interventions
Pyloric restriction
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate How VI-0521 Affect Psychomotor Performance in Healthy Overweight and Obese Subjects.

NCT00806260
View directory record Official record
Conditions
Overweight, Obesity
Interventions
VI-0521, Placebo, Alcohol, alcohol placebo
Drug · Other
Lead sponsor
VIVUS LLC
Industry
Eligibility
21 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 12, 2013 · Synced Sep 4, 2026, 9:24 PM EDT
Withdrawn Not applicable Interventional

Sleeve Gastrectomy Versus Gastric Bypass for Private Pay Patients Seeking Obesity Surgery

NCT01063959
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparoscopic Sleeve Gastrectomy, Laparoscopic Gastric Bypass
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Curcumin Supplementation for the Improvement of Diabetes-related Outcomes

NCT06984640
View directory record Official record
Conditions
Over Age 60, Prediabetes or Overweight
Interventions
Curcumin, Placebo
Dietary Supplement
Lead sponsor
Oklahoma State University
Other
Eligibility
60 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 4, 2026, 9:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prebiotic Effects of California Grapes on Gut Health and Cardiometabolic Health in Overweight Men and Women

NCT06544954
View directory record Official record
Conditions
Arterial Stiffness, Blood Pressure, Dysbiosis, Inflammation, Permeability; Increased
Interventions
Freeze-dried grape powder, Placebo powder
Dietary Supplement · Other
Lead sponsor
University of California, Davis
Other
Eligibility
45 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 4, 2026, 9:24 PM EDT
Not listed Phase 4 Interventional

Impact of Bariatric Surgery on Pharmacokinetic Study of Simvastatin and Carvedilol

NCT04049786
View directory record Official record
Conditions
Obesity, Bariatric Surgery, Roux-en Y Gastric Bypass
Interventions
Digestive biopsy, Carvedilol 25mg, Serial blood sampling for PK analysis, Metoprolol 100 mg for CYP2D6 phenotyping, Simvastatin 40mg, Midazolam 2 mg for CYP3A4 phenotyping, Genotyping
Procedure · Drug · Other
Lead sponsor
Natalia Valadares de Moraes
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Sep 4, 2026, 9:24 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Sweet Kids Study (Stevia on Weight and Energy Effect Over Time)

NCT05992688
View directory record Official record
Conditions
Adiposity, Insulin Sensitivity, Weight Gain, Blood Pressure, Lipoproteins
Interventions
Sucrose sweetened beverage, Stevia sweetened beverages, Calorie free flavored water beverage
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
8 Years to 12 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 4, 2026, 9:24 PM EDT
Completed No phase listed Observational

The SEEA (SCI Energy Expenditure and Activity) Study

NCT04748835
View directory record Official record
Conditions
Spinal Cord Injuries, Obesity, Metabolic Syndrome, Cardiovascular Diseases, Diet Habit
Interventions
Not listed
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
42 participants
Timeline
2018 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional

A Feasibility Study for the Treatment of Primary Obesity Cross-over Arm

NCT05939973
View directory record Official record
Conditions
Obesity, Primary
Interventions
g-Cath EZ Delivery Catheter with Snowshoe Suture Anchors
Device
Lead sponsor
USGI Medical
Industry
Eligibility
22 Years to 60 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 4, 2026, 9:24 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Evaluation of Superiority of Valsartan+Celecoxib+Metformin Over Metformin Alone in Type 2 Diabetes Patients

NCT03686657
View directory record Official record
Conditions
Type 2 Diabetes, High Blood Pressure, Arthritis, Obesity
Interventions
Metformin, Val, Cel and Met XR Low, Val, Cel and Met XR High
Drug
Lead sponsor
ARKAY Therapeutics
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Strawberry Supplementation on Memory and Gait Among Over-weight Older Adults

NCT03162913
View directory record Official record
Conditions
Aging, Age-related Cognitive Decline, Obesity
Interventions
Strawberry, Placebo
Dietary Supplement · Other
Lead sponsor
USDA Human Nutrition Research Center on Aging
Federal
Eligibility
55 Years to 75 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Sep 4, 2026, 9:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Weight Loss in Adults Over 50 with Obesity

NCT04014296
View directory record Official record
Conditions
Obesity
Interventions
High Protein Diet, Resistance Training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 20, 2024 · Synced Sep 4, 2026, 9:24 PM EDT
Terminated Phase 3 Interventional

Double-Blind, Placebo Controlled, Phase 3 Trial of ZGN-440 (Beloranib) in Obese Subjects With Prader-Willi Syndrome

NCT02179151
View directory record Official record
Conditions
Prader-Willi Syndrome, Obesity
Interventions
ZGN-440 for Injectable Suspension, ZGN-440 Placebo for Injectable Suspension
Drug
Lead sponsor
Zafgen, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
15
States / cities
Sacramento, California • San Diego, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Sep 4, 2026, 9:24 PM EDT
Terminated Phase 3 Interventional Results available

Trial of Supplemental Parenteral Nutrition in Under and Over Weight Critically Ill Patients (TOP-UP)

NCT01206166
View directory record Official record
Conditions
Critical Illness, Acute Respiratory Failure
Interventions
Olimel (5.7%E / N9E)
Drug
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
7
States / cities
Boulder, Colorado • St Louis, Missouri • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Sep 4, 2026, 9:24 PM EDT