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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hormone Regulation Clear all
Completed No phase listed Observational Accepts healthy volunteers

Age-Related Changes in Stress Hormone Regulation

NCT00018369
View directory record Official record
Conditions
Physiological Processes, Aging
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Prevention of Obesity in Women Via Estradiol Regulation

NCT00687739
View directory record Official record
Conditions
Obesity
Interventions
leuprolide acetate, Estradiol Transdermal, progressive resistance exercise training
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Regulation of Reproductive Hormones in Adult Men

NCT00392457
View directory record Official record
Conditions
Kallmann Syndrome, Hypogonadism, Gonadal Disorder
Interventions
ketoconazole, gonadotropin releasing hormone (GnRH)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
Active, not recruiting Not applicable Interventional

PancFit: Multimodal Exercise During Preoperative Therapy for Pancreatic Cancer

NCT03187951
View directory record Official record
Conditions
Other Disorders of Glucose Regulation and Pancreatic Internal Secretion, Pancreatic Cancer
Interventions
Questionnaires, Nutritional Questionnaire and Nutritional Counseling, Booklet, Aerobic Exercise and Strength Training Exercises, Phone Calls, Physical Assessments
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin

NCT01686828
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes Mellitus, Obesity, Androgen Deficiency, Metabolic Disease
Interventions
Acyline, Testosterone 1.62% gel, Letrozole, Placebo gel (for Testosterone 1.62% gel), Placebo pill (for Letrozole)
Drug
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Jul 22, 2026, 9:13 AM EDT
Terminated Not applicable Interventional Results available

Octreotide Therapy in Children and Young Adults With Prader-Willi Syndrome (PWS)

NCT00399893
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Octreotide, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
5 Years to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Jul 22, 2026, 9:13 AM EDT
Active, not recruiting Not applicable Interventional

A Clinical Trial to Examine the Efficacy of a Supplement to Support Hormone Regulation in Women

NCT06531668
View directory record Official record
Conditions
Hormone Regulation
Interventions
Beyond Hormone, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
25 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Role of Endogenous Estrogen in Growth-Hormone Regulation in Postmenopausal Women

NCT01186796
View directory record Official record
Conditions
Healthy
Interventions
Fulvestrant
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
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, 9:13 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Role of Neural and Hormonal Regulation Factors on Insulin Secretion After Gastric Bypass Surgery

NCT00992901
View directory record Official record
Conditions
Post Bariatricsurgery, Hypoglycemia
Interventions
Exendin-(9-39), Atropine, GLP-1 and GIP
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hormonal Regulation of Postpartum Weight and Presence of Gut Peptides in Human Milk

NCT01514539
View directory record Official record
Conditions
Maternal Obesity Syndrome
Interventions
cross-sectional
Other
Lead sponsor
University of Wyoming
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Laramie, Wyoming
Source: ClinicalTrials.gov public record
Updated Jan 8, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Early Phase 1 Interventional

Low Dose Growth Hormone (GH) on Insulin Sensitivity and Cortisol Production Rates

NCT00517062
View directory record Official record
Conditions
Growth Hormone Deficiency
Interventions
Growth hormone (Genotropin), Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 2, 2012 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional

Macronutrient Regulation of Ghrelin and Peptide YY

NCT02464514
View directory record Official record
Conditions
Obesity, Prader Willi Syndrome
Interventions
High carbohydrate meal, High fat meal
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
Completed No phase listed Observational

Hormonal Regulation of Puberty and Fertility

NCT01511588
View directory record Official record
Conditions
Endocrine Disease, Infertility, Hypogonadism, Amenorrhea, Adolescents
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
14 Years to 100 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 22, 2026, 9:13 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Ovarian Hormone Regulation of Central and Cerebrovascular Hemodynamics (NoMEN Study)

NCT05057546
View directory record Official record
Conditions
Menopause, Estrogen Deficiency, Women, Aging
Interventions
GnRH antagonist
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Growth Hormone as a Determinant of Weight Regulation

NCT00355784
View directory record Official record
Conditions
Obesity
Interventions
overfeeding, growth hormone treatment
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feeding Regulation in SCI

NCT05406739
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Test Meals
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Jul 22, 2026, 9:13 AM EDT
Completed No phase listed Observational

Adolescence, Puberty, and Emotion Regulation

NCT00016731
View directory record Official record
Conditions
Mood Disorder, Neurobehavioral Manifestation, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
8 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastrointestinal Hormonal Regulation of Obesity

NCT01146704
View directory record Official record
Conditions
Obesity
Interventions
Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass, Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Regulation of Cervical Mucus Secretion

NCT02969590
View directory record Official record
Conditions
Fertility, Contraception
Interventions
Leuprolide acetate, Estrogen and Progesterone Replacement, Progestin
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Jul 22, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adrenocorticotropic Hormone Stimulation in Postural Orthostatic Tachycardia Syndrome (POTS)

NCT01764711
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Cosyntropin administration
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Jul 22, 2026, 9:13 AM EDT
Completed No phase listed Observational

Acute Regulation of Parathyroid Hormone by Dietary Phosphate

NCT00037193
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 9:13 AM EDT