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ClinicalTrials.gov public records Last synced Oct 27, 2026, 6:38 PM EDT

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Showing 25–48 of 215 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Testim Clear all
Terminated Phase 2 Interventional

The Efficacy of ESTRATEST® Tablets in Relieving Menopausal Symptoms in Estrogenized, Hysterectomized Postmenopausal Women

NCT00141557
View directory record Official record
Conditions
Menopause
Interventions
esterified estrogens 1.25mg and methyltestosterone 2.5mg, Esterified estrogens 1.25 mg
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
35 Years to 65 Years · Female only
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
78
States / cities
Huntsville, Alabama • Mobile, Alabama • Montgomery, Alabama + 75 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2008 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

ITT4 Intratesticular Hormonal Milieu in Man (ITT4)

NCT01215292
View directory record Official record
Conditions
Healthy Males
Interventions
Acyline, Testosterone gel, ketoconazole 400, Ketoconazole 800, Dutasteride, Anastrozole, Placebo ketoconazole
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 31, 2014 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 2 Interventional Results available

Study to Determine the Effect of Food on the Absorption of an Oral Testosterone Undecanoate Formulation

NCT00924612
View directory record Official record
Conditions
Male Hypogonadism
Interventions
Oral testosterone undecanoate (containing 300 mg T)
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Oct 27, 2026, 6:38 PM 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 29, 2025 · Synced Oct 27, 2026, 6:38 PM EDT
Recruiting Phase 3 Interventional

Safety and Efficacy of Weekly Testosterone Cypionate Auto-Injector in Men With Hypogonadism

NCT07898072
View directory record Official record
Conditions
Male Hypogonadism
Interventions
Testosterone Cypionate 75 mg, Testosterone cypionate 50 mg, Testosterone cypionate 100 mg
Drug
Lead sponsor
Amneal Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
10
States / cities
Santa Monica, California • DeLand, Florida • Miami Lakes, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2026 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 3 Interventional Results available

Testopel ® vs. Generic Testosterone Pellets.

NCT04523480
View directory record Official record
Conditions
Hypogonadism
Interventions
Testopel 75mg Drug Implant, Testopel 100mg Drug Implant, Testopel 200mg Drug Implant
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Parenteral Testosterone and Oral Etoposide as Therapy for Men With Castration Resistant Prostate Cancer

NCT01084759
View directory record Official record
Conditions
Prostate Cancer
Interventions
Testosterone injection, Etoposide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 27, 2026, 6:38 PM EDT
Recruiting Phase 2 Interventional

Pain Alleviation With Testosterone in Opioid-Induced Hypogonadism

NCT04798469
View directory record Official record
Conditions
Opioid Use, Pain, Hypogonadism, Male
Interventions
Testosterone Undecanoate 250 MG/ML, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 27, 2026, 6:38 PM 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 19, 2019 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 2 Interventional Results available

To Evaluate Sperm Parameters in Men With Secondary Hypogonadism Previously Treated With Topical Testosterone

NCT00706719
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
25 mg Androxal, Testim 1%
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
21 Years to 60 Years · Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
New York, New York • Purchase, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 27, 2026, 6:38 PM EDT
Recruiting Phase 2 Interventional

Testosterone Treatment in Men With Chronic Kidney Disease

NCT05249634
View directory record Official record
Conditions
Hypogonadism, Male, Kidney Disease, Chronic
Interventions
Jatenzo Pill
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 27, 2026, 6:38 PM EDT
Terminated Phase 1 Interventional

Effect of Varying Testosterone Levels on Insulin Sensitivity in Men With Idiopathic Hypogonadotropic Hypogonadism (IHH)

NCT03118479
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome
Interventions
Anastrozole Pill, Testosterone, Placebo Oral Tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 27, 2026, 6:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Androgel on Atherogenesis in Type 2 Diabetic Males With Hypogonadotrophic Hypogonadism

NCT00467987
View directory record Official record
Conditions
Type 2 Diabetic Male With Hypogonadotrophic Hypogonadism
Interventions
androgel, placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
31 Years to 60 Years · Male only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacokinetic Study of Testosterone Enanthate

NCT01887418
View directory record Official record
Conditions
Hypogonadism
Interventions
QuickShot™ - 50 mg Treatment B, QuickShot™ - 100 mg Treatment A, Delatestryl 200 mg IM Treatment C
Drug
Lead sponsor
Antares Pharma Inc.
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Oct 27, 2026, 6:38 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

An Open-Label Study of 50 Mg Oral Testosterone Undecanoate (Kyztrex) in Menopausal Women with Low Testosterone and HSDD

NCT06082817
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Oral Testosterone Undecanoate
Drug
Lead sponsor
San Diego Sexual Medicine
Other
Eligibility
21 Years to 75 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate a Skeletal-muscle Microbiopsy Technique With Dynamic Proteomic Measurement in Healthy Male Volunteers

NCT01962454
View directory record Official record
Conditions
Cachexia
Interventions
Deuterated Water, Testosterone enanthate, Placebo to match testosterone enanthate
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years to 75 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Fast Acting Testosterone Nasal Spray on Anxiety

NCT02361190
View directory record Official record
Conditions
Anxiety
Interventions
Testosterone, Placebo
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older · Male only
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 27, 2026, 6:38 PM 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 18, 2017 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 2 Interventional

A One Year Open Label Study for the Treatment of Hypogonadism (Low Testosterone) in Men Who Have Completed ZA-203

NCT01386567
View directory record Official record
Conditions
Hypogonadism, Low Testosterone
Interventions
Androxal (enclomiphene citrate), Testim (topical testosterone)
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
21 Years to 65 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
8
States / cities
Garden Grove, California • Sacramento, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated May 17, 2013 · Synced Oct 27, 2026, 6:38 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Use of Testosterone to Prevent Post-Surgical Muscle Loss - Pilot Study

NCT04456530
View directory record Official record
Conditions
Muscle Atrophy, Surgery, Knee Injuries and Disorders, Complication of Surgical Procedure, Trauma
Interventions
Aveed 750 MG in 3 ML IM Injection, Normal Saline 3 ML IM Injection
Drug · Other
Lead sponsor
The Stone Research Foundation for Sports Medicine and Arthritis
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Testosterone on Prostate Tissue (ACYP-1)

NCT00161486
View directory record Official record
Conditions
Hypogonadism, Contraception
Interventions
Testosterone gel, Acyline, Placebo acyline, Placebo Testosterone gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
35 Years to 55 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 19, 2008 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Oral Androgens in Man-4: (Short Title: Oral T-4)

NCT00399165
View directory record Official record
Conditions
Contraception
Interventions
Testosterone Enanthate, Dutasteride, placebo sesame oil
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 22, 2008 · Synced Oct 27, 2026, 6:38 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 29, 2025 · Synced Oct 27, 2026, 6:38 PM EDT
Completed Phase 2 Interventional

Testosterone and Physical Function in HIV+ Men

NCT00260143
View directory record Official record
Conditions
HIV Associate Weight Loss
Interventions
Testosterone enanthate, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years · Male only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Oct 27, 2026, 6:38 PM EDT