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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: therapeutic testosterone Clear all
Terminated Phase 2 Interventional Results available

Assessing the Safety/Efficacy of Transdermal Testosterone in Female Patients With Symptomatic Heart Failure

NCT00957034
View directory record Official record
Conditions
Heart Failure
Interventions
placebo, testosterone
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
50 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
16
States / cities
Phoenix, Arizona • Tucson, Arizona • Lakewood, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Sep 26, 2026, 2:40 AM EDT
Active, not recruiting Not applicable Interventional

Evaluating the Influence of Diet-induced Weight Loss on Fat (Adipose) Tissue's Insulin Sensitivity and Testosterone Synthesis in Women With Overweight or Obesity, Insulin Resistance, and Hyperandrogenemia

NCT06998238
View directory record Official record
Conditions
Overweight and Obesity, Hyperandrogenemia, Insulin Resistance
Interventions
Mediterranean-based, carbohydrate restricted, calorie reduced diet
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cycled Testosterone Replacement Study

NCT00957528
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone, Placebo
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
60 Years to 85 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Not applicable Interventional Results available

Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome

NCT01585831
View directory record Official record
Conditions
Klinefelter Syndrome, XXY Syndrome
Interventions
Testosterone gel 1%, Placebo gel
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
8 Years to 18 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Sep 26, 2026, 2:40 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Study of the Effect of Testosterone and Estradiol on NP Responses to Acute and Chronic Salt Loading

NCT01763541
View directory record Official record
Conditions
Hypertension
Interventions
leuprolide acetate, Anastrozole
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2017 · Synced Sep 26, 2026, 2:40 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Aging and Gender-Affirming Hormone Therapy on Vascular Endothelial Function and Metabolic Profiles in Transgender Men

NCT04237467
View directory record Official record
Conditions
Transgender, Gender Identity, Vascular Stiffness, Vascular Inflammation, Blood Pressure, Lipid Disorder, Appetitive Behavior
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Early Phase 1 Interventional

Pilot Study: Androgen Deprivation Therapy Impact on PSMA-PET Sensitivity in Prostatectomy Staging

NCT07069465
View directory record Official record
Conditions
Prostate Cancer
Interventions
flotufolastat F 18, Relugolix 120 MG, Serum PSA and Testosterone
Diagnostic Test · Drug
Lead sponsor
Urology Clinics of North Texas
Network
Eligibility
Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparison of Patch vs. Pill Estrogen Therapy on Testosterone Levels and Thyroid Tests in Menopausal Women

NCT00224094
View directory record Official record
Conditions
Menopause
Interventions
Premarin® (oral) vs. Alora® (transdermal)
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
42 Years to 70 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 3 Interventional Results available

Three Drug Combination Therapy Versus Conventional Treatment of Children With Congenital Adrenal Hyperplasia

NCT00001521
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia (CAH)
Interventions
Fludrocortisone, Hydrocortisone, Letrozole, Flutamide, Testolactone
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 3 Interventional Results available

DHEA Against Vaginal Atrophy - 3-Month Efficacy Study

NCT01256684
View directory record Official record
Conditions
Vaginal Atrophy
Interventions
Placebo, DHEA
Drug
Lead sponsor
EndoCeutics Inc.
Industry
Eligibility
40 Years to 75 Years · Female only
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
24
States / cities
Montgomery, Alabama • Tucson, Arizona • Sacramento, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Sep 26, 2026, 2:40 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Randomized Phase II Trial of Targeted Radiation With no Castration for Mcrpc

NCT06084338
View directory record Official record
Conditions
Prostate Cancer
Interventions
stereotactic ablative radiotherapy, Pluvicto, topical testosterone
Radiation · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
4
States / cities
West Los Angeles, California • Hines, Illinois • Indianapolis, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Sep 26, 2026, 2:40 AM EDT
Recruiting Phase 2 Interventional

Sequential Testosterone and Enzalutamide Prevents Unfavorable Progression

NCT04363164
View directory record Official record
Conditions
Castration Resistant Metastatic Prostate Cancer
Interventions
Testosterone cypionate, Enzalutamide, Testosterone enanthate
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
6
States / cities
San Diego, California • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 2 Interventional

Clomid in Men With Low Testosterone With and Without Prior Treatment

NCT01904734
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Clomiphene
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
30 Years to 70 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 26, 2026, 2:40 AM EDT
Terminated Phase 1 Interventional

Effect of Increasing Testosterone on Insulin Sensitivity in Men With the Metabolic Syndrome

NCT00438321
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Zoladex, Testosterone gel, Anastrozole Pill, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 75 Years · Male only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Efficacy of Fenugreek Supplementation on Men's Health

NCT03528538
View directory record Official record
Conditions
Aging, Testosterone Deficiency
Interventions
AlphaFen fenugreek 400 mg, AlphaFen fenugreek 500 mg, Placebo
Dietary Supplement · Other
Lead sponsor
Jacksonville University
Other
Eligibility
21 Years to 45 Years · Male only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Sep 26, 2026, 2:40 AM EDT
Terminated Early Phase 1 Interventional

The Effect of DHEA on Markers of Ovarian Reserve in Women With Diminished Ovarian Reserve

NCT01129830
View directory record Official record
Conditions
Infertility
Interventions
dehydroepiandrosterone
Dietary Supplement
Lead sponsor
Virginia Center for Reproductive Medicine
Other
Eligibility
21 Years to 44 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Reston, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Sep 26, 2026, 2:40 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

The Effects of Castration on the Pharmacokinetics of Zolpidem After Single Dose Administration In Men With Prostate Cancer Undergoing Androgen Deprivation Therapy Compared to Normal Healthy Females

NCT03436745
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Zolpidem, ECG
Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 2 Interventional Results available

The Effect of Various Amounts of Fat on PK of Oral Testosterone Undecanoate

NCT02921386
View directory record Official record
Conditions
Hypogonadism
Interventions
Oral Testosterone Undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Torrance, California • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Sep 26, 2026, 2:40 AM EDT
Completed No phase listed Observational

Cardiometabolic Profiles of Boys With Klinefelter Syndrome

NCT02723305
View directory record Official record
Conditions
Klinefelter Syndrome, 47,XXY, Sex Chromosome Aneuploidy, XXY Syndrome
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 17 Years · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 26, 2026, 2:40 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sensitivity of Short and Long Allele Carriers of the 5-HTTLPR to Environmental Threat Post Hydrocortisone Administration

NCT01710202
View directory record Official record
Conditions
Major Depressive Disorder, Anxiety Disorders
Interventions
Hydrocortisone
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 1 Interventional

Testosterone in Treating Patients With Progressive Prostate Cancer That No Longer Responds to Hormone Therapy

NCT00006044
View directory record Official record
Conditions
Prostate Cancer
Interventions
therapeutic testosterone
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2013 · Synced Sep 26, 2026, 2:40 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hormonal Mechanisms of Sleep Restriction - Axis Study in Older Men and Postmenopausal Women

NCT04037605
View directory record Official record
Conditions
Sleep Restriction
Interventions
Ketoconazole Pill (also known as nizoral), Ganirelix, Dexamethasone Pill, Dexamethasone injection, Cosyntropin Injectable Product, Recombinant Human Luteinizing Hormone (also known as luveris), Hydrocortisone Injection (also known as solu-cortef), Gonadorelin (also known as Lutrepulse), Corticorelin (also known as Acthrel), Placebo oral tablet, Saline Solution, Saline solution for injection
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
60 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 4 Interventional

Physiologic Effects of PRMS & Testosterone in the Debilitated Elderly

NCT00018356
View directory record Official record
Conditions
Muscle Weakness, Muscular Atrophy
Interventions
exercise, testosterone
Procedure · Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years and older · Male only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2006
U.S. locations
1
States / cities
No. Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Sep 26, 2026, 2:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic Study of Subcutaneous Testosterone Enanthate

NCT02233751
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone enanthate auto-injector
Combination Product
Lead sponsor
Antares Pharma Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Sep 26, 2026, 2:40 AM EDT