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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:58 AM EDT

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Showing 121–144 of 1,689 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Men Clear all
Withdrawn Phase 4 Interventional Accepts healthy volunteers

The Effects of Long Term Cyclic Testosterone Administration on Muscle Function and Bone in Older Men

NCT01417364
View directory record Official record
Conditions
Sarcopenia
Interventions
Testosterone enanthate, Placebo
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
60 Years to 75 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 2, 2015 · Synced Oct 22, 2026, 9:58 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Prophylactic Vs. Therapeutic Use of Uroxatrol in Men Undergoing Brachytherapy

NCT00201630
View directory record Official record
Conditions
Prostate Cancer
Interventions
Uroxatrol (drug)
Drug
Lead sponsor
New York Prostate Institute
Other
Eligibility
0 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Oceanside, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2005 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pharmacokinetic Study of a Novel Nutritional Product on Healthy Men and Women

NCT06316700
View directory record Official record
Conditions
Healthy Aging
Interventions
Nutritional supplement, Placebo
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 22, 2026, 9:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Determinants of Bone Mineral Density and Metabolic Syndrome in South Asian Indian Men

NCT03600675
View directory record Official record
Conditions
Osteoporosis
Interventions
No intervention element, observational study.
Other
Lead sponsor
Drexel University
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 22, 2026, 9:58 AM EDT
Terminated Phase 2 Interventional Results available

Immediate Prostatectomy vs. Cabozantinib Followed by Prostatectomy in Men With High-Risk Prostate Cancer

NCT03964337
View directory record Official record
Conditions
Prostate Cancer, Prostate Cancer Adenocarcinoma, Non-Metastatic
Interventions
Cabozantinib, Radical Prostatectomy
Drug · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 22, 2026, 9:58 AM 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 28, 2015 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Not applicable Interventional

Addressing Discrimination and Mistrust Among Black Men: Phase III

NCT02223130
View directory record Official record
Conditions
HIV
Interventions
Cognitive Behavioral Therapy techniques
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 2 Interventional

Combination Chemotherapy Plus Bevacizumab in Treating Patients With Metastatic Prostate Cancer

NCT00016107
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Hormone-resistant Prostate Cancer, Recurrent Prostate Cancer, Stage IV Prostate Cancer
Interventions
estramustine phosphate sodium, docetaxel, bevacizumab, laboratory biomarker analysis
Drug · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2013 · Synced Oct 22, 2026, 9:58 AM EDT
Recruiting Phase 3 Interventional

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

NCT06492616
View directory record Official record
Conditions
Breast Cancer
Interventions
Elacestrant, Anastrozole, Letrozole, Exemestane, Tamoxifen
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
176
States / cities
Daphne, Alabama • Chandler, Arizona • Gilbert, Arizona + 139 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 2 Interventional

Study to Determine Safety and Effectiveness of Tadalafil on Prostate Related Sex Organ/Urinary Tract Problems

NCT00547625
View directory record Official record
Conditions
Prostatic Hyperplasia, Prostate
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years and older · Male only
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 22, 2007 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PROSTVAC in Combination With Nivolumab in Men With Prostate Cancer

NCT02933255
View directory record Official record
Conditions
Prostate Cancer
Interventions
PROSTVAC-V/F, Nivolumab, Prostatectomy, Biopsy, Tylenol
Biological · Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 3 Interventional

Study to Compare the Tolerability and Efficacy of Once Daily Vardenafil vs Vardenafil PRN vs Placebo in Men Immediately After Nerve-sparing Prostatectomy for Improving ED

NCT00492635
View directory record Official record
Conditions
Erectile Dysfunction, Sexual Dysfunction, Physiological
Interventions
Levitra (Vardenafil, BAY38-9456), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 64 Years · Male only
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
11
States / cities
Laguna Hills, California • Jeffersonville, Indiana • Des Moines, Iowa + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Patient Satisfaction After Switching to Oral Testosterone Undecanoate

NCT04983940
View directory record Official record
Conditions
Testosterone Deficiency
Interventions
Jatenzo
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Depression, Epinephrine, and Platelet Function

NCT00166114
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Escitalopram, Desipramine
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2015 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of the Efficacy of Carnipure® AAS on Body Composition, Muscle Thickness, and Strength Adaptations in Healthy Men

NCT05681806
View directory record Official record
Conditions
Muscle Hypotrophy
Interventions
Carnipure AAS, Creatine Monohydrate
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Not applicable Interventional

Randomized Study of Human Parathyroid Hormone in Middle-Aged Men With Idiopathic Osteoporosis

NCT00004406
View directory record Official record
Conditions
Osteoporosis
Interventions
human parathyroid hormone
Drug
Lead sponsor
Columbia University
Other
Eligibility
29 Years to 67 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 22, 2026, 9:58 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 28, 2021 · Synced Oct 22, 2026, 9:58 AM EDT
Terminated Phase 2 Interventional Results available

Bicalutamide and RO4929097 in Treating Patients With Previously Treated Prostate Cancer

NCT01200810
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage IV Prostate Cancer
Interventions
placebo, gamma-secretase/Notch signalling pathway inhibitor RO4929097, bicalutamide
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 22, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Antibacterial Mouthwash on Muscle Function in Healthy Young Men and Women

NCT04095442
View directory record Official record
Conditions
Quadriceps Muscle
Interventions
Cepacol, Tom's Natural Mouthwash
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 22, 2026, 9:58 AM EDT
Active, not recruiting Phase 3 Interventional

Testing the Addition of Darolutamide to Hormonal Therapy (Androgen Deprivation Therapy [ADT]) After Surgery for Men With High-Risk Prostate Cancer, The ERADICATE Study

NCT04484818
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Darolutamide, Goserelin Acetate, Leuprolide Acetate, Placebo Administration, Quality-of-Life Assessment, Triptorelin
Drug · Other
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
115
States / cities
Duarte, California • Los Angeles, California • Palo Alto, California + 88 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 22, 2026, 9:58 AM EDT
Terminated Phase 2 Interventional Results available

Niraparib Before Surgery in Treating Patients With High Risk Localized Prostate Cancer and DNA Damage Response Defects

NCT04030559
View directory record Official record
Conditions
ATM Gene Mutation, BRCA1 Gene Mutation, BRCA2 Gene Mutation, BRIP1 Gene Mutation, CDK12 Gene Mutation, CHEK1 Gene Mutation, CHEK2 Gene Mutation, DNA Damage Response Gene Mutation, DNA Repair Gene Mutation, FANCA Gene Mutation, FANCD2 Gene Mutation, FANCL Gene Mutation, GEN1 Gene Mutation, NBN Gene Mutation, Prostate Carcinoma, RAD51 Gene Mutation, RAD51C Gene Mutation
Interventions
Niraparib, Niraparib Tosylate Monohydrate, Radical Prostatectomy
Drug · Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 22, 2026, 9:58 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 9, 2026 · Synced Oct 22, 2026, 9:58 AM EDT
Terminated Not applicable Interventional

Progressive Tension Sutures in Gender Affirming Mastectomy

NCT04818580
View directory record Official record
Conditions
Hematoma, Seroma
Interventions
Progressive Tension Sutures
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Oct 22, 2026, 9:58 AM EDT
Completed No phase listed Observational

Human Papilloma Virus Infection in HIV-Positive Indian Men Who Have Sex With Men

NCT00919997
View directory record Official record
Conditions
Nonneoplastic Condition, Precancerous Condition
Interventions
DNA analysis, polymerase chain reaction, fluorescence activated cell sorting, questionnaire administration, study of socioeconomic and demographic variables, study of high risk factors
Genetic · Other · Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older · Male only
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 22, 2026, 9:58 AM EDT