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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:21 AM EDT

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Showing 433–456 of 1,689 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Men Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Pre-exposure Prophylaxis (PrEP) Adherence for Black MSM

NCT06661343
View directory record Official record
Conditions
HIV Prevention
Interventions
C4 Program, C4 + 3MV Program
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender- and Culturally-Sensitive Weight Loss Intervention for Hispanic Males

NCT02783521
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Counseling sessions, Wait List Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 2 Interventional Results available

Study of the Effect of GTx-758 on Serum PSA and Testosterone in Men With Prostate Cancer

NCT01615120
View directory record Official record
Conditions
Prostate Cancer
Interventions
GTx-758 125 mg, GTx-758 250 mg
Drug
Lead sponsor
GTx
Industry
Eligibility
18 Years and older · Male only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
26
States / cities
Burbank, California • Los Angeles, California • San Bernardino, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Oct 24, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional Results available

Neoadjuvant BKM120 in High-risk Prostate Cancer

NCT01695473
View directory record Official record
Conditions
High Risk Prostate Cancer
Interventions
BKM120
Drug
Lead sponsor
Won Kim
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Oct 24, 2026, 2:21 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Efficacy of Emtricitabine and Tenofovir Alafenamide (F/TAF) Fixed-Dose Combination Once Daily for Pre-Exposure Prophylaxis in Men and Transgender Women Who Have Sex With Men and Are At Risk of HIV-1 Infection

NCT02842086
View directory record Official record
Conditions
Pre-Exposure Prophylaxis of HIV-1 Infection
Interventions
F/TAF, F/TDF, F/TAF Placebo, F/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
5,399 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
54
States / cities
Beverly Hills, California • Los Angeles, California • Newport Beach, California + 38 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Results available

The SOLVE-IT National Randomized Trial

NCT00653991
View directory record Official record
Conditions
HIV Infections
Interventions
SOLVE-IT
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 24 Years · Male only
Enrollment
2,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 2 Interventional Results available

An Investigational Immunotherapy Study of Nivolumab in Combination With Rucaparib, Docetaxel, or Enzalutamide in Metastatic Castration-resistant Prostate Cancer

NCT03338790
View directory record Official record
Conditions
Prostate Cancer
Interventions
nivolumab, docetaxel, enzalutamide, rucaparib, prednisone
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older · Male only
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
19
States / cities
Daphne, Alabama • Rancho Mirage, California • New Haven, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of the PROGENSA(Registered Trademark) Prostate Cancer Gene 3 (PCA3) Assay in Men With a Previous Negative Biopsy Result

NCT01024959
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
PCA3 Assay
Other
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
40 Years and older · Male only
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
13
States / cities
Los Angeles, California • San Diego, California • Aventura, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2012 · Synced Oct 24, 2026, 2:21 AM EDT
Recruiting Phase 2 Interventional

Sequential Testosterone and Enzalutamide Prevents Unfavorable Progression

NCT04363164
View directory record Official record
Conditions
Castration Resistant Metastatic Prostate Cancer
Interventions
Testosterone cypionate, Enzalutamide, Testosterone enanthate
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
6
States / cities
San Diego, California • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional Results available

Neoadjuvant Dupilumab in Men With Localized High-Risk Prostate Cancer

NCT03886493
View directory record Official record
Conditions
Prostate Cancer
Interventions
Dupilumab
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2021 · Synced Oct 24, 2026, 2:21 AM EDT
Completed No phase listed Observational

Follow-Up Study for Men Diagnosed With Prostate Cancer Through Participation in a Prostate Specific Antigen Screening Program

NCT00035217
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
40 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 24, 2026, 2:21 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Impact of a Plant-based Meat Meal Versus an Animal Meat Meal on Erectile Function in Healthy Men.

NCT06273592
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Animal-based meal, Plant-based meat meal
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 32 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional Results available

BKM120 in Metastatic Castration-resistant Prostate Cancer

NCT01385293
View directory record Official record
Conditions
Prostate Cancer, Metastatic (Spread to Other Areas of the Body)
Interventions
BKM120
Drug
Lead sponsor
Andrew J. Armstrong, MD
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
3
States / cities
Durham, North Carolina • Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 24, 2026, 2:21 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 26, 2013 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 2 Interventional Results available

Abiraterone Race in Metastatic Castrate-resistant Prostate Cancer

NCT01940276
View directory record Official record
Conditions
Prostate Cancer
Interventions
Abiraterone acetate, Prednisone
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
14
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2020 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Youth mHealth Adherence Intervention for HIV+ YMSM

NCT03092115
View directory record Official record
Conditions
HIV
Interventions
HIV medication adherence app
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
14 Years to 24 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 24, 2026, 2:21 AM EDT
Completed No phase listed Observational Results available

Comparison of Virologic and Immunologic Responses to Raltegravir and Dolutegravir in the Gastrointestinal Tract of HIV-Positive Adults

NCT02218320
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Raltegravir, Dolutegravir, Colonoscopy with biopsy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 2 Interventional Results available

A Study of VEGF Tyrosine Kinase Inhibitor (Pazopanib) in Men With High-Risk Prostate Cancer Followed by Radical Prostatectomy and Pelvic Lymph Node Dissection

NCT01832259
View directory record Official record
Conditions
Adenocarcinoma of the Prostate
Interventions
Pazopanib, Placebo
Drug · Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 24, 2026, 2:21 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Olaparib in Men With High-Risk Biochemically-Recurrent Prostate Cancer Following Radical Prostatectomy, With Integrated Biomarker Analysis

NCT03047135
View directory record Official record
Conditions
Prostate
Interventions
Olaparib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
4
States / cities
Baltimore, Maryland • Omaha, Nebraska • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional

MENCORE-2: Audio Recordings to Improve Decision-making in Advanced Prostate Cancer

NCT05127850
View directory record Official record
Conditions
Prostate Cancer, Metastatic Prostate Cancer, Metastatic Castration-resistant Prostate Cancer
Interventions
Consultation audio recording app
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Crossover Clinical Trial Investigating the Effects of Geranylgeraniol (GG) Supplementation on Testosterone Levels in Healthy Men and Women Over an 18-week Period

NCT06747624
View directory record Official record
Conditions
Wellness, Health
Interventions
Geranylgeraniol 300 mg, Placebo
Dietary Supplement
Lead sponsor
Designs for Health
Industry
Eligibility
40 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Palm Coast, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioequivalence Study of Zonisamide Capsules 100 mg of Dr.Reddy's Laboratories Limited Under Fed Conditions

NCT01161979
View directory record Official record
Conditions
Healthy
Interventions
Zonisamide, Zonegran
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fort Myers, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2010 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Phase 2 Interventional Results available

Cidofovir in Treating HIV-Infected Patients With High-Grade Squamous Intraepithelial Lesions of the Skin Near the Anus

NCT00550589
View directory record Official record
Conditions
Anal Cancer, Precancerous Condition
Interventions
cidofovir, DNA methylation analysis, gene expression analysis, polymerase chain reaction, biopsy, histopathologic examination
Drug · Genetic · Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years to 120 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
8
States / cities
Los Angeles, California • San Francisco, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2015 · Synced Oct 24, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Training and Milk Supplementation

NCT04509297
View directory record Official record
Conditions
Muscular Hypertrophy
Interventions
high protein milk, Placebo
Dietary Supplement
Lead sponsor
Marymount University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Oct 24, 2026, 2:21 AM EDT