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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 3 Interventional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 Jun 11, 2026, 8:06 AM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetic Study of Oral Testosterone (T) Ester Formulations in Hypogonadal Men

NCT00695110
View directory record Official record
Conditions
Hypogonadism
Interventions
Oral testosterone undecanoate (TU) (300 mg T equivalents/dose), Oral testosterone undecanoate (TU) combined with testosterone enanthate (TE) (400 mg T equivalents/dose), Oral testosterone undecanoate (TU) (200 mg T equivalents/dose with and without food), Oral testosterone undecanoate (TU) combined with testosterone enanthate (TE) (300 mg T equivalents/dose)
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 68 Years · Male only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
4
States / cities
Birmingham, Alabama • Los Angeles, California • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transdermal Testosterone Gel/Effect on Erection Quality as Measured by DIR

NCT00425568
View directory record Official record
Conditions
Hypogonadism
Interventions
AndroGel (Transdermal Testosterone Gel)
Drug
Lead sponsor
Lamm, Steven, M.D.
Individual
Eligibility
21 Years to 59 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM EDT
Withdrawn Phase 4 Interventional

Effect of Testosterone Gel Replacement on Fat Mass in Males With Low Testosterone Levels and Diabetes

NCT00440440
View directory record Official record
Conditions
Hypogonadism, Diabetes
Interventions
Testosterone gel, placebo
Drug
Lead sponsor
Diabetes Center of the Southwest
Other
Eligibility
35 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Midland, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2015 · Synced Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM EDT
Completed Phase 2 Interventional Results available

Pilot Pharmacokinetic Study of Oral Testosterone Ester Formulations in Hypogonadal Men

NCT02697188
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone undecanoate, Testosterone enanthate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Los Angeles, California • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Jun 11, 2026, 8:06 AM EDT
Completed Phase 2 Interventional

Clomid in Men With Low Testosterone With and Without Prior Treatment

NCT01904734
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Clomiphene
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
30 Years to 70 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM EDT
Completed Phase 4 Interventional

Efficacy Study for Use of Dutasteride (Avodart) With Testosterone Replacement

NCT00752869
View directory record Official record
Conditions
Hypogonadism
Interventions
dutasteride, placebo
Drug
Lead sponsor
The Miriam Hospital
Other
Eligibility
40 Years to 85 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM EDT
Completed Phase 3 Interventional Results available

The Cardiac Benefit of Testosterone Replacement in Men With Low Testosterone Levels With Coronary Artery Disease After Successful Intervention of the Blockage or Narrowed Heart Artery

NCT00413244
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
AndroGel 5 Grams, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Jun 11, 2026, 8:06 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Testosterone Replacement in Older Men and Atherosclerosis Progression

NCT00287586
View directory record Official record
Conditions
Hypogonadism, Atherosclerosis
Interventions
Testosterone Gel (Androgel), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Male only
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
3
States / cities
Phoenix, Arizona • Los Angeles, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Jun 11, 2026, 8:06 AM EDT
Completed No phase listed Observational Results available

Perioperative Hypogonadism in Men Undergoing Radical Cystoprostatectomy for Bladder Cancer

NCT03063125
View directory record Official record
Conditions
Bladder Cancer, Low Testosterone Levels
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Jun 11, 2026, 8:06 AM EDT
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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 Jun 11, 2026, 8:06 AM 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 13, 2023 · Synced Jun 11, 2026, 8:06 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety of Androgel in the Treatment of Hypogonadal and Low Testosterone Men With Type 2 Diabetes

NCT00141492
View directory record Official record
Conditions
Type 2 Diabetes, Hypogonadism
Interventions
Androgel (testosterone gel)
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
70
States / cities
Birmingham, Alabama • Calera, Alabama • Mobile, Alabama + 54 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2015 · Synced Jun 11, 2026, 8:06 AM EDT