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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional Accepts healthy volunteers

Energy Balance Weight Regulation Study

NCT00619008
View directory record Official record
Conditions
Obesity
Interventions
Ad libitum low carbohydrate diet, Ad libitum High Complex Carbohydrate Diet, Energy-restricted high complex carbohydrate diet
Other
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
21 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 2, 2008 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Comparing Thyrogen Versus a Modified Release of Recombinant Human Thyroid Stimulating Hormone

NCT00137891
View directory record Official record
Conditions
Healthy
Interventions
Modified Release rhTSH
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years to 40 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional

AIDS Wasting in Women: Anabolic Effects of Testosterone

NCT00006158
View directory record Official record
Conditions
AIDS Wasting Syndrome
Interventions
Testosterone
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 14, 2010 · Synced Jul 22, 2026, 2:26 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on IV Nicotine Induced Changes on BOLD fMRI Signal, Hormones and Subjective Ratings of Stimulant Drugs

NCT01589068
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine, Progesterone
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational

Adipose Tissue and Circulating Markers of Inflammation in GH Deficiency and Changes With GH Therapy

NCT03225755
View directory record Official record
Conditions
Growth Hormone Deficiency
Interventions
Growth hormone
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

A Study of Orforglipron for the Maintenance of Body Weight Reduction in Participants Who Have Obesity or Overweight With Weight-Related Comorbidities (ATTAIN-MAINTAIN)

NCT06584916
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Orforglipron, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
27
States / cities
Birmingham, Alabama • Pelham, Alabama • Santa Ana, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety Study of the Inhibition of Agouti-related Protein (AgRP) for the Management of Obesity and Weight Loss

NCT00779519
View directory record Official record
Conditions
Obesity
Interventions
TTP435, Placebo
Drug
Lead sponsor
vTv Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • Augusta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2011 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Assessing the PK and Effect on Glucose and GI Hormone Concentrations of Metformin Delayed-Release in Subjects With T2DM

NCT01677299
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
EFB0027 (metformin delayed release), EFB0026 (metformin immediate-release)
Drug
Lead sponsor
Elcelyx Therapeutics, Inc.
Industry
Eligibility
19 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
2
States / cities
Tempe, Arizona • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Menstrual Cycle Hormones and Eating Behavior

NCT01407692
View directory record Official record
Conditions
Dietary Habits, Food Preference
Interventions
Not listed
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 35 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Growth Hormone and/or Rosiglitazone for HIV-Associated Increased Abdominal Fat and Insulin Resistance

NCT00130286
View directory record Official record
Conditions
HIV-Associated Lipodystrophy Syndrome, Insulin Resistance, HIV Infections, Metabolic Syndrome X, Body Weight Changes
Interventions
Rosiglitazone, Recombinant human growth hormone + rosiglitazone
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
4
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2014 · Synced Jul 22, 2026, 2:26 PM EDT
Active, not recruiting No phase listed Observational

Biological Sample Repository for Gastrointestinal Disorders

NCT05874726
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biochemical Changes in Blood Plasma After Intense Physical Exercise of Healthy Volunteers

NCT05790772
View directory record Official record
Conditions
Hormone Disturbance, Endorphin Changes
Interventions
Vigorous Exercise
Behavioral
Lead sponsor
Touro University Nevada
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Henderson, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hyperandrogenemia and Altered Day-night LH Pulse Patterns

NCT03068910
View directory record Official record
Conditions
Hyperandrogenism, Polycystic Ovary Syndrome, Puberty
Interventions
Micronized progesterone, Spironolactone, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Not applicable Interventional

Effect of Endoscopic Sleeve Gastroplasty in Patients With Obesity and MASH: A Randomized Controlled Trial

NCT06138821
View directory record Official record
Conditions
Obesity, Liver Diseases, Liver Fibrosis, Liver Fat, Metabolic Dysfunction-Associated Steatotic Liver Disease, Metabolic Dysfunction-Associated Steatohepatitis, MASLD, MASH, Weight Loss, Insulin Resistance, Insulin Sensitivity, Insulin Sensitivity/Resistance, Metabolic Disease, Diabetes, Diabetes Mellitus, Type 2, NASH With Fibrosis, Non-Alcoholic Fatty Liver Disease, Non Alcoholic Fatty Liver, Non-alcoholic Steatohepatitis
Interventions
ESG + lifestyle modification, Lifestyle modification
Device · Behavioral
Lead sponsor
Pichamol Jirapinyo, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bone and Body Composition Adaptations to Physical Training

NCT06972862
View directory record Official record
Conditions
Exercise, Healthy
Interventions
Osteogenic Index Optimized Exercise Training Program
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 40 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
Lawrence, Kansas • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational

Hormone Changes in Women With Stage IIIB or Stage IV Non-Small Cell Lung Cancer Receiving Erlotinib

NCT00602433
View directory record Official record
Conditions
Advanced Nonsmall Cell Lung Cancer
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2011 · Synced Jul 22, 2026, 2:26 PM EDT
Terminated Phase 2 Interventional Results available

Reversing Therapy Resistance With Epigenetic-Immune Modification

NCT02395627
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Tamoxifen, Vorinostat, Pembrolizumab
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design

NCT04005456
View directory record Official record
Conditions
Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
Interventions
Supplements and/or medical foods, Behavioral change support program, Food plan
Dietary Supplement · Behavioral · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone Microarchitecture

NCT02375503
View directory record Official record
Conditions
Bone Alteration, Dietary Modification
Interventions
Calcium/Vitamin D, Placebo
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 42 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Jul 22, 2026, 2:26 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Multiple Cigarette Induced Changes in Hormone Function, Mood States and Behavior

NCT01636310
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational

Changes in Breast Density and Blood Hormone Levels in Postmenopausal Women Receiving Anastrozole or Exemestane for Breast Cancer

NCT00516698
View directory record Official record
Conditions
Breast Cancer
Interventions
polymorphism analysis, high performance liquid chromatography, laboratory biomarker analysis, radiomammography
Genetic · Other · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
180
States / cities
Augusta, Georgia • Aurora, Illinois • Bloomington, Illinois + 111 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Withdrawn Phase 4 Interventional

Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery

NCT01941134
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transgender Youth and PrEP: PK, Safety, Uptake & Adherence - Demonstration Project

NCT04077151
View directory record Official record
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
PrEP Demonstration Project
Behavioral
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Transgender Youth and PrEP: PK, Safety, Uptake & Adherence - PK Study

NCT03652623
View directory record Official record
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
TDF/FTC
Drug
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Jul 22, 2026, 2:26 PM EDT