Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 2, 2026, 7:02 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–40 of 40 matching trials from the live ClinicalTrials.gov search.
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
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
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Testosterone cypionate (Tc), ADT with Luteinizing hormone-releasing hormone (LHRH) analog, PSMA-617
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Klinefelter Syndrome
Interventions
Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution, Placebo injectable saline
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Days to 90 Days · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Pain, Opioid Use, Androgen Deficiency, Back Pain
Interventions
Testosterone Cypionate, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Stress Urinary Incontinence, Menopause
Interventions
Testosterone cypionate, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Seizure Disorder, Hypogonadism, Erectile Dysfunction
Interventions
Anastrozole 1mg, Placebo Oral Tablet
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Androgen Effects on the Reproductive Neuroendocrine Axis

NCT06450405
Conditions
Transgenderism, Reproductive Issues
Interventions
Testosterone Cypionate 50 MG/ML Injectable Solution
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Diego, California
Conditions
Recurrent Prostate Cancer
Interventions
Testosterone cypionate, Goserelin, Leuprolide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Prostate Cancer, Hypogonadism, Male
Interventions
Testosterone cypionate
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
2
States / cities
Miami, Florida
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 80 Years · Male only
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
17
States / cities
Birmingham, Alabama • Duarte, California • Aurora, Colorado + 13 more
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
Conditions
Castration-Resistant Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Laboratory Biomarker Analysis, Olaparib, Quality-of-Life Assessment, Survey Administration, Testosterone Enanthate, Testosterone Cypionate
Other · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Bone Metabolism
Interventions
testosterone cypionate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 30 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy, Bone Scan, Computed Tomography, Leuprolide Acetate, Magnetic Resonance Imaging, Survey Administration, Testosterone Cypionate
Procedure · Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Buffalo, New York
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