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ClinicalTrials.gov public records Last synced May 21, 2026, 8:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 1,663 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Men Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections
Interventions
VRC01, Placebo for VRC01
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
2,699 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV
Interventions
Men of African American Legacy Empowering Self, Standard HIV Education & Risk Reduction
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older · Male only
Enrollment
437 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2014 · Synced May 21, 2026, 8:00 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Home-Based Exercise Program
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
40 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced May 21, 2026, 8:00 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Prostate Cancer
Interventions
ArtemiCoffee
Drug
Lead sponsor
Zin W Myint
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception
Interventions
Testosterone Enanthate, Dutasteride, placebo sesame oil
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 21, 2008 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Many Men, Many Voices (3MV)
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2010 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Male Hypogonadism
Interventions
Oral testosterone undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
27
States / cities
Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced May 21, 2026, 8:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Fluid Balance
Interventions
Placebo beverage, kiwi-strawberry flavor (Part 1 and Part 2), 0% carbohydrate electrolyte solution with glycerol beverage (Part 1 only), 0% carbohydrate electrolyte solution without glycerol beverage (Part 1 only), 1% carbohydrate electrolyte solution with glycerol beverage (Parts 1 and 2), 6% carbohydrate electrolyte solution with glycerol beverage (Parts 1 and 2), 6% carbohydrate electrolyte solution without glycerol beverage (Part 2 only), 2% carbohydrate electrolyte solution without glycerol beverage (Part 2 only)
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 50 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infection
Interventions
tenofovir disoproxil fumarate, placebo
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 60 Years · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
3
States / cities
San Francisco, California • Atlanta, Georgia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 9, 2014 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Hypogonadism
Interventions
testosterone, placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced May 21, 2026, 8:00 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Hypogonadism, Osteopenia, Osteoporosis
Interventions
Testosterone, Alendronate, Placebo Alendronate, Placebo Testosterone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 85 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced May 21, 2026, 8:00 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hypertension, High Blood Pressure, African American Men
Interventions
Blood Pressure measurement and pharmacy
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
35 Years to 79 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced May 21, 2026, 8:00 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Colorectal Screening
Interventions
Colonoscopy and Questionnaire
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
50 Years and older
Enrollment
611 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2009 · Synced May 21, 2026, 8:00 PM EDT
Terminated Phase 2 Interventional Results available
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 12, 2021 · Synced May 21, 2026, 8:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced May 21, 2026, 8:00 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
TeleSalud Healthy Eating- Physical Activity/Sedentary Behavior (HE-PA/SB), TeleSalud General Health Intervention
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
35 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Zolpidem, ECG
Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced May 21, 2026, 8:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
NAFLD
Interventions
NAFLD-specific weight loss intervention, Wait-list control
Behavioral · Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Hypogonadism
Interventions
Androderm®
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 80 Years · Male only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
41
States / cities
Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced May 21, 2026, 8:00 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypertension, Aging, Endothelial Dysfunction, Men
Interventions
Blueberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 70 Years · Male only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced May 21, 2026, 8:00 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Bone Resorption, Osteoporosis
Interventions
Whey protein supplement, Placebo
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
60 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Farmington, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced May 21, 2026, 8:00 PM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Bone Metastatic Castration-Resistant Prostate Cancer
Interventions
Biomarker analysis, Administration of radium-223
Device · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced May 21, 2026, 8:00 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Erythema, Inflammation
Interventions
Pomegranate Juice, Placebo Juice
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2021 · Synced May 21, 2026, 8:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Hiv, Minority Stress, Mental Health Wellness 1
Interventions
Mindfulness-Based Queer Resilience (MBQR)
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced May 21, 2026, 8:00 PM EDT