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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Low Testosterone Clear all
Completed No phase listed Observational

Outcomes of Mechanically Ventilated Patients With Low Serum Testosterone

NCT00797433
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Male only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 20, 2010 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional Results available

Optimizing Protein Intake in Older Americans With Mobility Limitations

NCT01275365
View directory record Official record
Conditions
Mobility Limitation
Interventions
Testosterone enanthate
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older · Male only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional

Study of Transdermal Testosterone Patches in Surgically Menopausal Women With Low Libido

NCT00331214
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Testosterone Transdermal System, placebo patch
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
20 Years to 70 Years · Female only
Enrollment
533 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional

Study to Assess the Efficacy/Safety of Transdermal Testosterone Patches in Naturally Menopausal Women With Low Libido

NCT00349791
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder (HSDD)
Interventions
Testosterone Transdermal System, Placebo patch
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
40 Years to 70 Years · Female only
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Aromatase Inhibition Versus Testosterone in Older Men With Low Testosterone: Randomized-Controlled Trial.

NCT00104572
View directory record Official record
Conditions
Hypogonadism, Diabetes, Sarcopenia, Osteoporosis, Depression
Interventions
Androgel (Testosterone Gel), Anastrozole (Aromatase Inhibitor), Placebo tablet, Placebo gel, Calcium Cardone 500mg with vitamin D 400 IU
Drug · Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Sep 4, 2026, 1:59 PM EDT
Not listed Phase 2 Interventional

Deslorelin Combined With Low-Dose Add-Back Estradiol and Testosterone in Preventing Breast Cancer in Premenopausal Women Who Are at High Risk for This Disease

NCT00080756
View directory record Official record
Conditions
brca1 Mutation Carrier, brca2 Mutation Carrier, Breast Cancer
Interventions
therapeutic estradiol, deslorelin, therapeutic testosterone, therapeutic conventional surgery, active surveillance, quality-of-life assessment, laboratory biomarker analysis
Biological · Drug · Procedure + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
21 Years to 48 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2024
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 4 Interventional Results available

Neuroendocrine Dysfunction in Traumatic Brain Injury: Effects of Testosterone Therapy

NCT01201863
View directory record Official record
Conditions
Endocrine Dysfunction, Trauma, Brain Injury
Interventions
Androgel (Testosterone Gel), Placebo gel
Drug · Other
Lead sponsor
Craig Hospital
Other
Eligibility
16 Years to 65 Years · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional

Low-Dose Testosterone in Improving Libido in Postmenopausal Female Cancer Survivors

NCT00075855
View directory record Official record
Conditions
Cancer Survivor, Sexual Dysfunction, Sexuality and Reproductive Issues, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
therapeutic testosterone, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
16
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Urbana, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Sep 4, 2026, 1:59 PM EDT
Withdrawn Phase 3 Interventional

An Efficacy and Safety Study of ABT-SLV176 for the Treatment of Hypogonadal Men

NCT02082197
View directory record Official record
Conditions
Hypogonadism, Testosterone Deficiency
Interventions
ABT-SLV176
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
42
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mesa, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional

Study of Transdermal Testosterone Patches in Surgically Menopausal Women With Low Libido

NCT00331123
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Testosterone Transdermal System, Placebo
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
20 Years to 70 Years · Female only
Enrollment
562 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Testosterone Pellets Plus Vitamin D and E Versus Vitamin D and E Alone for the Treatment of Peyronie's Disease

NCT01578473
View directory record Official record
Conditions
Peyronie's Disease
Interventions
Vitamin D2, Vitamin E, Testosterone Pellets
Drug
Lead sponsor
Men's Health Boston
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional Results available

A Study in Men With Low Testosterone to Measure the Effects of Testosterone Solution on Testosterone Levels, Sex Drive and Energy

NCT01816295
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone Solution, Placebo Solution
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
45
States / cities
Homewood, Alabama • Chandler, Arizona • Glendale, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2015 · Synced Sep 4, 2026, 1:59 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 4, 2026, 1:59 PM EDT
Completed Phase 1 Interventional

A Randomized Study of Testosterone Replacement in Patients With Low Risk Hormone Refractory Prostate Cancer

NCT01187485
View directory record Official record
Conditions
Prostate Cancer
Interventions
Androderm® 2.5mg, Androderm® 5.0mg, Androderm® 7.5mg
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional

A Randomized, Double Blind, Placebo-Controlled, Multi-Center Phase III Study in Men With Acquired Hypogonadotropic Hypogonadism to Compare Changes in Testosterone and Sperm Concentration Following Treatment With 12.5 mg or 25 mg Androxal or AndroGel 1.62%

NCT01993212
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal 12.5 mg or 25 mg, AndroGel 1.62%, Placebo Capsules, Placebo Gel
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
8
States / cities
Jacksonville, Florida • Albany, New York • Raleigh, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Study to Determine the Effects of Testosterone Replacement Therapy in Aging Men With Androgen Deficiency

NCT00161304
View directory record Official record
Conditions
Men With Low Testosterone Levels
Interventions
Testosterone Enanthate, Placebo
Drug · Other
Lead sponsor
Leonard S. Marks, M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 4, 2026, 1:59 PM EDT
Completed No phase listed Observational

Evaluation of Prealbumin Levels in Men With Low-T

NCT03313635
View directory record Official record
Conditions
Testosterone Deficiency
Interventions
Men presenting with low-T
Diagnostic Test
Lead sponsor
Beckman Coulter, Inc.
Industry
Eligibility
40 Years to 75 Years · Male only
Enrollment
19 participants
Timeline
2017
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 2 Interventional Results available

The Effect on Androxal Versus Androgel on Morning Testosterone in Men With Secondary Hypogonadism (Low Testosterone)

NCT01386606
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal (enclomiphene citrate), Testosterone
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Sep 4, 2026, 1:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

The Testosterone Trials in Older Men

NCT00799617
View directory record Official record
Conditions
Andropause
Interventions
AndroGel® (testosterone gel), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older · Male only
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
12
States / cities
Birmingham, Alabama • La Jolla, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Sep 4, 2026, 1:59 PM EDT
Active, not recruiting Phase 1 Interventional

Perioperative Testosterone Replacement Therapy for the Improvement of Post-Operative Outcomes in Patients With Low Testosterone

NCT04731376
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 4, 2026, 1:59 PM EDT
Recruiting Phase 2 Interventional

Testosterone Replacement in Male Cancer Survivors With Fatigue and Low Testosterone

NCT04049331
View directory record Official record
Conditions
Hypogonadism, Male, Fatigue Syndrome, Chronic
Interventions
Testosterone Undecanoate 750 MG/3 ML Intramuscular Solution [AVEED], placebo
Drug · Other
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 54 Years · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 4, 2026, 1:59 PM EDT
Withdrawn Phase 4 Interventional

Testosterone and Pain Sensitivity

NCT01689896
View directory record Official record
Conditions
Low Testosterone, Hypogonadism, Pain
Interventions
Testosterone Gel, Placebo Gel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2015 · Synced Sep 4, 2026, 1:59 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 4, 2026, 1:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cycled Testosterone Replacement Study

NCT00957528
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone, Placebo
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
60 Years to 85 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 4, 2026, 1:59 PM EDT