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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Testosterone Replacement Therapy Clear all
Not yet recruiting Phase 2Phase 3 Interventional

Testosterone Therapy With or Without Finasteride After Spinal Cord Injury: TRT-SCI Trial

NCT07742553
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Injuries, Spinal Cord, Spinal Cord Contusion, Spinal Cord Trauma, Trauma, Nervous System, Wounds and Injuries, Spinal Cord Compression, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
testosterone cypionate, finasteride, placebo injection, placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
4
States / cities
Aurora, Colorado • Gainesville, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Testosterone Replacement in Older Men and Atherosclerosis Progression

NCT00287586
View directory record Official record
Conditions
Hypogonadism, Atherosclerosis
Interventions
Testosterone Gel (Androgel), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Male only
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
3
States / cities
Phoenix, Arizona • Los Angeles, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 3 Interventional Results available

Testosterone Replacement for Fatigue in Male Hypogonadic Advanced Cancer Patients

NCT00965341
View directory record Official record
Conditions
Advanced Cancer
Interventions
Testosterone, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2016 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 2 Interventional

Comparison of Estrogen and Methyltestosterone Combination Treatments for Postmenopausal Hot Flushes

NCT00160342
View directory record Official record
Conditions
Hot Flushes, Menopause, Postmenopause
Interventions
Esterified Estrogens (EE) and Methyltestosterone (MT)
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
45 Years to 65 Years · Female only
Enrollment
1,251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
88
States / cities
Montgomery, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 69 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2008 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Not applicable Interventional Results available

Testosterone Replacement Therapy in Advanced Chronic Kidney Disease

NCT00645658
View directory record Official record
Conditions
Kidney Failure, Kidney Diseases
Interventions
Testim, 1% testosterone gel
Drug
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
45 Years to 80 Years · Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Palo Alto, California • San Jose, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2024 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 4 Interventional Results available

A Study of the Effect of Topical Testosterone Replacement Therapy on Blood Pressure in Adult Male Participants With Hypogonadism

NCT04274894
View directory record Official record
Conditions
Hypogonadism
Interventions
AndroGel 1.62%
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years and older · Male only
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
45
States / cities
Foley, Alabama • Newport Beach, California • Northridge, California + 40 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 3 Interventional

Study of Transdermal Testosterone Patches in Naturally Menopausal Women With Low Libido

NCT00338312
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Testosterone Transdermal System, Placebo patch
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
40 Years to 70 Years · Female only
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 18, 2026, 10:41 PM EDT
Recruiting Phase 4 Interventional

Testosterone Replacement Therapy for the Treatment of Low Testosterone in Hypogonadal Men With Localized Prostate Cancer on Active Surveillance

NCT06733350
View directory record Official record
Conditions
Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Biopsy of Prostate, Biospecimen Collection, Magnetic Resonance Imaging, Patient Observation, Questionnaire Administration, Therapeutic Testosterone
Procedure · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 3 Interventional

Study of Transdermal Testosterone Patches in Surgically Menopausal Women With Low Libido

NCT00331214
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Testosterone Transdermal System, placebo patch
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
20 Years to 70 Years · Female only
Enrollment
533 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 3 Interventional Results available

Lifestyle Intervention and Testosterone Replacement in Obese Seniors

NCT02367105
View directory record Official record
Conditions
Obesity and Hypogonadism
Interventions
Testosterone, Lifestyle Therapy, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years to 85 Years · Male only
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 18, 2026, 10:41 PM EDT
Terminated Phase 2 Interventional Results available

Testosterone Plus Finasteride Treatment After Spinal Cord Injury

NCT02248701
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Trauma, Nervous System, Wounds and Injuries, Central Nervous System Diseases, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
Testosterone Enanthate, Finasteride, Placebo injection, Placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Gainesville, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 18, 2026, 10:41 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 18, 2026, 10:41 PM 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 18, 2026, 10:41 PM EDT
Completed Phase 2 Interventional

Exogenous Testosterone Plus Dutasteride for the Treatment of Castrate Metastatic Prostate Cancer

NCT00853697
View directory record Official record
Conditions
Prostate Cancer, Castration-resistant, Metastatic
Interventions
testosterone (AndroGel®) with the 5α-reductase inhibitor dutasteride
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Sep 18, 2026, 10:41 PM EDT
Withdrawn Phase 2 Interventional

Trifecta Research Study

NCT06810765
View directory record Official record
Conditions
PTSD - Post Traumatic Stress Disorder, Cognitive Dysfunction, Brain Trauma, Brain Injuries
Interventions
Hormone Replacement Therapy (HRT), Magnetic Resonance Therapy (MeRT), ibogaine with magnesium treatment, 5-MeO-DMT
Other · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 18, 2026, 10:41 PM EDT
Active, not recruiting Phase 1 Interventional

Perioperative Testosterone Replacement Therapy for the Improvement of Post-Operative Outcomes in Patients With Low Testosterone

NCT04731376
View directory record Official record
Conditions
Hypogonadism, Malignant Urinary System Neoplasm, Urinary System Disorder, Urinary System Neoplasm
Interventions
Best Practice, Quality-of-Life Assessment, Questionnaire Administration, Testosterone Cypionate
Other · Procedure · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 18, 2026, 10:41 PM 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 18, 2026, 10:41 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Testosterone Replacement Therapy in Chronic Spinal Cord Injury

NCT00266864
View directory record Official record
Conditions
Spinal Cord Injury, Hypogonadism
Interventions
Testosterone Transdermal System (Androderm 5 mg patch)
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 49 Years · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
2
States / cities
West Orange, New Jersey • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Sep 18, 2026, 10:41 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic (PK) Study to Compare the Absorption of Two Formulations of Transdermal Testosterone Spray and Intrinsa®

NCT01096329
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Testosterone Spray 5% and 1%, Intrinsa® Patch and Testosterone Spray 5%, Intrinsa® Patch and Testosterone Spray 1%
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
45 Years to 65 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 2 Interventional Results available

Testosterone and Long Pulse Stimulation After SCI

NCT03345576
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Testosterone and LPWS, Testosterone and standard NMES
Device · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 18, 2026, 10:41 PM EDT
Completed No phase listed Observational

Long-term Lifestyle Change and Testosterone Replacement

NCT03256292
View directory record Official record
Conditions
Hypogonadism, Aging, Overweight and Obesity
Interventions
Testosterone replacement, lifestyle
Drug · Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
65 Years to 85 Years · Male only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Not applicable Interventional

Effect of Testosterone Therapy in Men With Alzheimer's Disease and Low Testosterone

NCT00392912
View directory record Official record
Conditions
Alzheimer's Disease, Hypogonadism
Interventions
AndroGel (Solvay Pharmaceuticals)
Drug
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
55 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2010 · Synced Sep 18, 2026, 10:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Hormone Replacement in Young Women With Premature Ovarian Failure

NCT00001951
View directory record Official record
Conditions
Healthy, Osteoporosis, Premature Ovarian Failure
Interventions
TMTDS
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 32 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2007 · Synced Sep 18, 2026, 10:41 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Effect of Sex Steroid Replacement Therapy in the Hypogonadism and Transgender Active-Duty Population

NCT06247267
View directory record Official record
Conditions
Hypogonadism, Gender Identity Dysphoria
Interventions
Fortesta, Estradiol
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 18, 2026, 10:41 PM EDT