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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Transdermal Testosterone gel (1%) Clear all
Completed Phase 3 Interventional

Safety and Efficacy of LibiGel® for Treatment of Hypoactive Sexual Desire Disorder in Postmenopausal Women

NCT00612742
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
BioSante Pharmaceuticals
Industry
Eligibility
50 Years and older · Female only
Enrollment
3,656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
141
States / cities
Birmingham, Alabama • Hoover, Alabama • Huntsville, Alabama + 116 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

PROS-1-Male Hormonal Contraceptive Regimens on Prostate Tissue

NCT00490555
View directory record Official record
Conditions
Healthy
Interventions
Testosterone gel, Dutasteride, Depo-Medroxyprogesterone (DMPA), Placebo Testosterone gel, Placebo dutasteride, Placebo DMPA
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 14, 2013 · Synced Sep 25, 2026, 3:31 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 25, 2026, 3:31 PM EDT
Terminated Phase 2 Interventional Results available

Maintaining Suppression of Testosterone With Transdermal Estradiol Gel

NCT02349386
View directory record Official record
Conditions
Cancer of the Prostate
Interventions
BHR-200 (0.36% transdermal 17β-estradiol gel), Placebo
Drug
Lead sponsor
BHR Pharma, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
12
States / cities
Tucson, Arizona • Aventura, Florida • Daytona Beach, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Trial of Oral Testosterone Undecanoate (TU) in Hypogonadal Men

NCT01403116
View directory record Official record
Conditions
Male Hypogonadism
Interventions
Oral testosterone undecanoate, topical testosterone gel
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
25
States / cities
Birmingham, Alabama • Calera, Alabama • Huntsville, Alabama + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2018 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 2 Interventional Results available

Rapid Hormonal Cycling as Treatment for Patients With Prostate Cancer: The Men's Cycle

NCT00586898
View directory record Official record
Conditions
Prostate, Cancer, Hormonal Cycling
Interventions
GnRH, Ketoconazole, Bicalutamide, Testosterone transdermal gel, Estrogen transdermal patch
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 24, 2016 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes

NCT02513940
View directory record Official record
Conditions
Long QT Syndrome
Interventions
Testosterone, Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Comparing Direct and Indirect Detection Methods of Multiple Routes of Testosterone Administration

NCT06393634
View directory record Official record
Conditions
Healthy
Interventions
Testosterone injection, Testosterone gel, Testosterone Oral
Drug
Lead sponsor
Sports Medicine Research and Testing Laboratory
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
South Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of LibiGel® for Treatment of Hypoactive Sexual Desire Disorder in Surgically Menopausal Women

NCT00657501
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
BioSante Pharmaceuticals
Industry
Eligibility
30 Years to 65 Years · Female only
Enrollment
575 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
66
States / cities
Mobile, Alabama • Chandler, Arizona • Glendale, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Novel Approaches for Minimizing Drug-Induced QT Interval Lengthening

NCT04675788
View directory record Official record
Conditions
Long QT Syndrome, Abnormalities, Drug-Induced
Interventions
Progesterone, Ibutilide, Testosterone, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 99 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 3 Interventional Results available

Exercise and Testosterone Therapy in Elderly Men With Physical Frailty

NCT00345969
View directory record Official record
Conditions
Physical Frailty, Hip Fracture, Elective Hip Replacement, Hypogonadism
Interventions
Transdermal Testosterone gel (1%), Supervised exercise training
Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
65 Years and older · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 21, 2018 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of LibiGel® for the Treatment of Hypoactive Sexual Desire Disorder in Surgically Menopausal Women

NCT00613002
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
BioSante Pharmaceuticals
Industry
Eligibility
30 Years to 65 Years · Female only
Enrollment
597 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
60
States / cities
Birmingham, Alabama • Hoover, Alabama • Huntsville, Alabama + 56 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 3 Interventional

Extension Study to Assess Persistence of Benefit of LibiGel for the Treatment of Hypoactive Sexual Desire Disorder (HSDD)

NCT01235754
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
transdermal testosterone gel 1%, placebo gel
Drug
Lead sponsor
BioSante Pharmaceuticals
Industry
Eligibility
30 Years to 66 Years · Female only
Enrollment
626 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
98
States / cities
Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 91 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 4 Interventional Results available

AndroGel in Men With Major Depression and Incomplete Response to Antidepressant Treatment

NCT00304746
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Testosterone gel, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 23, 2010 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 2 Interventional

Study of DHT-Gel to Treat the Symptoms of Low Testosterone in Men 55-80

NCT00163566
View directory record Official record
Conditions
Hypogonadism, Late Onset Hypogonadism, Low Testosterone
Interventions
Dihydrotestosterone (0.7%) in hydroalcoholic gel
Drug
Lead sponsor
ASCEND Therapeutics
Industry
Eligibility
55 Years to 80 Years · Male only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
16
States / cities
Phoenix, Arizona • Torrance, California • Gainesville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2022 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Early Phase 1 Interventional

Testosterone Therapy in Castration Resistant Prostate Cancer

NCT03734653
View directory record Official record
Conditions
Prostate Cancer, Castration-Resistant Prostate Cancer
Interventions
Transdermal Testosterone, Standard of Care, Enzalutamide
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 25, 2026, 3:31 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin

NCT01686828
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes Mellitus, Obesity, Androgen Deficiency, Metabolic Disease
Interventions
Acyline, Testosterone 1.62% gel, Letrozole, Placebo gel (for Testosterone 1.62% gel), Placebo pill (for Letrozole)
Drug
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Sep 25, 2026, 3:31 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 25, 2026, 3:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Outcomes of Low Testosterone

NCT02758431
View directory record Official record
Conditions
Hypogonadism
Interventions
Acyline, Placebo Gel, Placebo Tablet, Testosterone Gel, Arimidex
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 25, 2026, 3:31 PM EDT