Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 30, 2026, 12:53 AM EDT

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Showing 25–48 of 213 matching trials from the live ClinicalTrials.gov search.
Conditions
Obesity, Sleep Apnea, Obstructive
Interventions
Neurocognitive Testing
Procedure
Lead sponsor
Stanford University
Other
Eligibility
30 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Stanford, California
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
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
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
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Use of Probiotics to Aid in Weight Loss

NCT01445704
Conditions
Weight Loss
Interventions
Probiotics, Placebo
Dietary Supplement
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Greenville, South Carolina
Conditions
Obesity, Bariatric Surgery Candidate, Hypertension, Diabetes
Interventions
Magnetically Controlled Capsule Endoscopy (MCCE)
Device
Lead sponsor
Jerry Dang
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 4 Interventional Accepts healthy volunteers

Venlafaxine PK Following Bariatric Surgery

NCT02005107
Conditions
Roux en Y Gastric Bypass, Sleeve Gastrectomy
Interventions
Venlafaxine IR and Venlafaxine XR
Drug
Lead sponsor
North Dakota State University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Fargo, North Dakota
Conditions
Morbid Obesity
Interventions
Solid Meal, Liquid Meal, Acetaminophen, Single, 600 kcal meal, Multiple, 200 kcal meals
Other · Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Bariatric Surgery Candidate, Contraception
Interventions
ethinyl estradiol-levonorgestrel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
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
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
Type 2 Diabetes, Obesity, Bariatric Surgery
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Obesity, Morbid, Postoperative Pain, Postoperative Nausea and Vomiting
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Obesity
Interventions
bariatric surgery, control
Procedure · Other
Lead sponsor
Neuropsychiatric Research Institute, Fargo, North Dakota
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Fargo, North Dakota
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
Completed Phase 1 Interventional Accepts healthy volunteers

Ghrelin and Insulin Resistance

NCT00884494
Conditions
Obesity, Insulin Resistance, Normal Weight,Healthy Controls
Interventions
Ghrelin infusion to assess effects on insulin sensitivity
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Clinically Severe Obesity, Obesity Recidivism, Inadequate Initial Weight Loss, Poor Weight Loss, Persistent Obesity, Refractory Obesity, Intractable Obesity
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fresno, California
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
Conditions
Bariatric Surgery, Gastric Bypass, Roux-en-Y Gastric Bypass
Interventions
venlafaxine ER (extended-release) 75 mg
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Obesity, Type 2 Diabetes Mellitus, Insulin Resistance
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Morbid Obesity, Metabolic Disease
Interventions
Laparoscopic Roux-en-Y Gastric Bypass
Procedure
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
10
States / cities
Irvine, California • Orange, California • Atlanta, Georgia + 6 more
Conditions
Obesity and Obesity-related Medical Conditions, Bariatric Surgery
Interventions
Same Day Discharge
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
25 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee