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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: No Testosterone Therapy Clear all
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Does Testosterone Therapy Improve Patient-Reported Outcomes in Age-Related Testosterone Deficient Patients Undergoing Total Hip Replacement: A Randomized-Controlled Trial

NCT05722301
View directory record Official record
Conditions
Arthroplasty, Replacement, Hip
Interventions
Testosterone Therapy, No Testosterone Therapy
Drug · Other
Lead sponsor
American Hip Institute
Other
Eligibility
50 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Des Plaines, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 12, 2026, 2:19 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Effect of Gender Affirming Hormone Therapy on Glucose Metabolism

NCT04515472
View directory record Official record
Conditions
Transgender Persons
Interventions
Botnia Clamp, Withdrawal of Gender Affirming Hormone Therapy (GAHT)
Drug · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 12, 2026, 2:19 PM EDT
Withdrawn Phase 3 Interventional

H-36731: Finasteride in Management of Elevated Red Blood Cells

NCT02548117
View directory record Official record
Conditions
ERYTHROCYTOSIS
Interventions
Finasteride
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 12, 2026, 2:19 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Oral T7 Oral Testosterone in Man

NCT00842751
View directory record Official record
Conditions
Healthy Males, Male Contraceptive
Interventions
First Intervention (7 days), First Washout (7 days), Second Intervention (7 days), Third Intervention (7 days), Second wash-out period
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 12, 2014 · Synced Sep 12, 2026, 2:19 PM EDT
Completed Phase 2 Interventional Results available

Oral Testosterone for the Treatment of Hypogonadism

NCT01717768
View directory record Official record
Conditions
Hypogonadism
Interventions
TSX-002
Drug
Lead sponsor
TesoRx Pharma, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Sep 12, 2026, 2:19 PM EDT
Recruiting No phase listed Observational

Endometriosis Pain

NCT06101303
View directory record Official record
Conditions
Pelvic Pain, Endometriosis
Interventions
Psychophysical assessment, Psychophysical assessments of experimental pain, Blood, urine and saliva samples, Biopsy and surgery-related data.
Other · Behavioral · Diagnostic Test + 1 more
Lead sponsor
Washington University School of Medicine
Other
Eligibility
12 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 12, 2026, 2:19 PM EDT
Completed No phase listed Observational

A Registry for Patients Treated on the Clinical Trial TAX 3503

NCT01813370
View directory record Official record
Conditions
Prostate Cancer
Interventions
No intervention
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
5
States / cities
Baltimore, Maryland • New York, New York • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 12, 2026, 2:19 PM EDT
Withdrawn Early Phase 1 Interventional

Androgen Regulation of Priapism in Sickle Cell Disease

NCT01940718
View directory record Official record
Conditions
Priapism, Sickle Cell Disease, Hypogonadism
Interventions
Transdermal Androgel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Sep 12, 2026, 2:19 PM EDT
Completed Phase 3 Interventional Results available

A Study of Degarelix in Patients With Prostate Cancer

NCT00928434
View directory record Official record
Conditions
Prostate Cancer
Interventions
Degarelix, Leuprolide
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older · Male only
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
59
States / cities
Alexander City, Alabama • Homewood, Alabama • Anaheim, California + 54 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Sep 12, 2026, 2:19 PM EDT
Completed No phase listed Observational

Gene Mutations in Patients With Advanced Prostate Cancer That Is Not Responsive to Hormone Therapy

NCT00002924
View directory record Official record
Conditions
Prostate Cancer
Interventions
mutation analysis
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Male only
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2006
U.S. locations
49
States / cities
Birmingham, Alabama • La Jolla, California • San Francisco, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Sep 12, 2026, 2:19 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 12, 2026, 2:19 PM 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 12, 2026, 2:19 PM 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 12, 2026, 2:19 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

TRT as an Adjunctive ERAS Therapy in ESRD Patients Undergoing Kidney Transplantation

NCT07287800
View directory record Official record
Conditions
Hypogonadism, Male, End Stage Renal Disease (ESRD), Kidney Transplant
Interventions
Testosterone Replacement Therapy
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 12, 2026, 2:19 PM 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 12, 2026, 2:19 PM 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 12, 2026, 2:19 PM 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 12, 2026, 2:19 PM EDT
Completed Phase 4 Interventional Results available

Body Composition in Infants With Klinefelter Syndrome and Effects of Testosterone Treatment

NCT02408445
View directory record Official record
Conditions
Klinefelter Syndrome
Interventions
testosterone cypionate 200mg/ml
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
42 Days to 108 Days · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 12, 2026, 2:19 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 12, 2026, 2:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reproductive Capacity and Iron Burden in Thalassemia

NCT02308904
View directory record Official record
Conditions
THALASSEMIA MAJOR
Interventions
Blood Draw/Semen Exam, Retrospective data/Chart Review/Relevant Clinical Results, Pituitary MRI
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
12 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Sep 12, 2026, 2:19 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 12, 2026, 2:19 PM EDT
Not listed Phase 1Phase 2 Interventional

Effect of Testosterone Treatment on Embryo Quality

NCT01662466
View directory record Official record
Conditions
Primary Ovarian Insufficiency, Female Infertility Due to Diminished Ovarian Reserve
Interventions
Testosterone cream (0.5mg per gram), DHEA, Placebo
Drug · Dietary Supplement
Lead sponsor
Center for Human Reproduction
Other
Eligibility
38 Years to 44 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
2
States / cities
New York, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Sep 12, 2026, 2:19 PM EDT
Terminated Phase 3 Interventional

Zoledronate Plus Standard Therapy Compared With Placebo Plus Standard Therapy to Prevent Bone Metastases in Patients With Recurrent Prostate Cancer That Has No Symptoms

NCT00005073
View directory record Official record
Conditions
Prostate Cancer
Interventions
zoledronic acid
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Male only
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 12, 2026, 2:19 PM EDT
Completed Not applicable Interventional

Effects of Flourish HEC on Localized Provoked Vulvodynia

NCT05478746
View directory record Official record
Conditions
Vulvodynia, Vestibulodynia, Vulvar Diseases, Vulvar Vestibulitis, Vulvar Pain
Interventions
BioNourish, a component of the Flourish HEC kit, Control - no intervention
Device · Other
Lead sponsor
Vaginal Biome Science
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Virginia Beach, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 12, 2026, 2:19 PM EDT