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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: testosterone cypionate Clear all
Recruiting Phase 2 Interventional

Phase 2a Study of High-Dose Testosterone Followed by Radioligand Therapy in mCRPC

NCT07476001
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Recruiting Phase 2 Interventional

Difluoromethylornithine and High Dose Testosterone With Enzalutamide in Metastatic Castration-Resistant Prostate Cancer

NCT06059118
View directory record Official record
Conditions
Prostate Cancer
Interventions
DFMO, testosterone cypionate, Luteinizing hormone-releasing hormone (LHRH) analogue, Enzalutamide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

Oral Testosterone for the Treatment of Hypogonadism in Males

NCT02222558
View directory record Official record
Conditions
Hypogonadism
Interventions
TSX-002
Drug
Lead sponsor
TesoRx Pharma, LLC
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 29, 2016 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

COMbination of Bipolar Androgen Therapy and Nivolumab

NCT03554317
View directory record Official record
Conditions
Castration-resistant Prostate Cancer, Metastatic Prostate Cancer, Prostate Cancer
Interventions
Testosterone cypionate, Nivolumab
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
San Francisco, California • Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 2, 2026, 1:34 AM EDT
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 2, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

Subcutaneous vs. Intramuscular Testosterone

NCT03091348
View directory record Official record
Conditions
Testosterone Deficiency, Hypogonadism, Male
Interventions
Testosterone
Drug
Lead sponsor
Men's Health Boston
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Sep 2, 2026, 1:34 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Androgen Effects on the Reproductive Neuroendocrine Axis, 2025 Version

NCT07092527
View directory record Official record
Conditions
Transgenderism, Reproductive Issues
Interventions
Testosterone Cypionate 50 milligrams per millileter (mg/mL) Injectable Solution
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 4 Interventional Results available

A Comparison of Side Effects in Hypogonadal Men Treated With Natesto Versus Testosterone Injections

NCT04439799
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Testosterone Cypionate 200 Mg/ML, Intranasal Testosterone
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

Testosterone and Olaparib in Treating Patients With Castration-Resistant Prostate Cancer

NCT03516812
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional

Testosterone Replacement to Alleviate Pain in Postmenopausal Women (TRAPP Trial)

NCT04895306
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Withdrawn Phase 2 Interventional

The Effect of Testosterone Replacement on Bone Mineral Density in Boys and Men With Anorexia Nervosa

NCT00853502
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Bioequivalence Study of Testosterone Cypionate in Hypogonadal Males

NCT03792477
View directory record Official record
Conditions
Hypogonadism
Interventions
Test formulation, Reference formulation
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
DeLand, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Sep 2, 2026, 1:34 AM EDT
Not yet recruiting Phase 4 Interventional

Ambulatory Blood Pressure Monitoring (ABPM) Study in Hypogonadal Men

NCT07328542
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Testosterone Cypionate Injection 200 mg/mL
Drug
Lead sponsor
Azurity Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
6
States / cities
Birmingham, Alabama • DeLand, Florida • Hialeah, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 2, 2026, 1:34 AM 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 2, 2026, 1:34 AM EDT
Not yet recruiting Phase 4 Interventional

Testosterone Replacement Therapy in Hypogonadal Patients With Prostate Cancer Under Active Surveillance

NCT07278362
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 2, 2026, 1:34 AM 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 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

RE-sensitizing With Supraphysiologic Testosterone to Overcome REsistance (The RESTORE Study)

NCT02090114
View directory record Official record
Conditions
Prostate Cancer
Interventions
Testosterone cypionate, Testosterone Enanthate, Abiraterone acetate, Enzalutamide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Sep 2, 2026, 1:34 AM EDT
Recruiting Phase 2 Interventional

Supraphysiological Androgen to Enhance Treatment Activity in Metastatic Castration-Resistant Prostate Cancer, SPECTRA Study

NCT06039371
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Adenocarcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Scan, Carboplatin, Computed Tomography, Etoposide, Quality-of-Life Assessment, Questionnaire Administration, Testosterone Cypionate, Radioconjugate, Dual X-ray Absorptiometry, Gallium Ga 68-PSMA-617, Positron Emission Tomography, Single Photon Emission Computed Tomography
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CYP19A1 (Cytochrome P450 Family 19 Subfamily A Member 1) Gene and Pharmacogenetics of Response to Testosterone Therapy

NCT01378299
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone Cypionate
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 75 Years · Male only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
2
States / cities
Albuquerque, New Mexico • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 2, 2026, 1:34 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 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

Bipolar Androgen-based Therapy for Prostate Cancer (BAT)

NCT01750398
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 2 Interventional Results available

Improving Quality of Life of Prostate Cancer Survivors With Androgen Deficiency

NCT03716739
View directory record Official record
Conditions
Prostate Cancer
Interventions
Testosterone Cypionate 100 MG/ML, Placebo
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
40 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Recruiting Phase 2 Interventional

The COSMYC Trial (COmbined Suppression of MYC)

NCT06922318
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
ZEN-3694, Testosterone cypionate, Enzalutamide, Luteinizing hormone-releasing hormone (LHRH) analogue
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 2, 2026, 1:34 AM EDT
Completed Phase 4 Interventional

TESTO: Testosterone Effects on Short-Term Outcomes in Infants With XXY

NCT03325647
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Sep 2, 2026, 1:34 AM EDT