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ClinicalTrials.gov public records Last synced Nov 2, 2026, 5:34 PM EST

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Showing 1513–1536 of 1,690 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Men Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn More About How Much of the Study Treatment Elinzanetant (or BAY3427080) Gets Absorbed, How Safe it is and How it Affects the Body in Healthy Female and Male Participants

NCT05351892
View directory record Official record
Conditions
Vasomotor Symptoms as a Sex Hormone-dependent Disorder in Women and Men, Hot Flashes, Healthy Volunteers
Interventions
Elinzanetant (BAY3427080)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Health Intervention in Increasing HPV Vaccine Coverage Among Young Adult Gay and Bisexual Men

NCT02835755
View directory record Official record
Conditions
Healthy Subject
Interventions
Educational Intervention, Survey Administration
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

A Brief App-based Mobile Health and Well-being Intervention Among Middle-aged Adults

NCT04272138
View directory record Official record
Conditions
Meditation, Control Group
Interventions
Calm Meditation, Educational Podcast Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 64 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 28, 2022 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

MyLife MyStyle Evaluation Project

NCT01640392
View directory record Official record
Conditions
Unsafe Sex
Interventions
MyLife MyStyle group-level intervention
Behavioral
Lead sponsor
Los Angeles County Department of Public Health
Government
Eligibility
18 Years to 29 Years · Male only
Enrollment
528 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Nov 2, 2026, 5:34 PM EST
Terminated Not applicable Interventional Accepts healthy volunteers

A Comparative Effectiveness Demonstration Project for Linkage and Retention in PrEP Care for Men Who Have Sex With Men

NCT03442192
View directory record Official record
Conditions
Adherence, Patient
Interventions
PrEP Care Anywhere Services
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2022 · Synced Nov 2, 2026, 5:34 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Postprandial Endothelial Dysfunction After a High-Fat Meal in HIV-infected Men

NCT00846599
View directory record Official record
Conditions
HIV Infection, Cardiovascular Risk, HIV Infections
Interventions
Omega-3 study meal, Saturated fat study meal
Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 1 Interventional

Cytoreductive Prostatectomy in Treating Patients With Newly Diagnosed, Metastatic Prostate Cancer

NCT02458716
View directory record Official record
Conditions
Metastatic Prostate Carcinoma, Metastatic Prostatic Adenocarcinoma, Prostate Carcinoma Metastatic to the Bone
Interventions
Robotic Assisted Radical Prostatectomy, Conventional open retropubic radical prostectomy, Laboratory Biomarker Analysis, Quality-of-Life Assessment, ADT (androgen deprivation therapy) (i.e. leuprolide) plus an androgen receptor inhibitor (i.e. bicalutamide)
Procedure · Other · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
3
States / cities
Duarte, California • Orange, California • New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Nov 2, 2026, 5:34 PM EST
Completed No phase listed Observational

Molecular Features and Pathways in Predicting Drug Resistance in Patients With Metastatic Castration-Resistant Prostate Cancer Receiving Enzalutamide

NCT02228265
View directory record Official record
Conditions
Castration Levels of Testosterone, Castration-Resistant Prostate Carcinoma, Prostate Adenocarcinoma, PSA Progression, Recurrent Prostate Carcinoma, Stage IV Prostate Cancer
Interventions
Cytology Specimen Collection Procedure, Enzalutamide, Laboratory Biomarker Analysis
Other · Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
3
States / cities
Los Angeles, California • San Francisco, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Adequate Water Intake on Exercise Performance and Mood in Women and Men

NCT05033665
View directory record Official record
Conditions
Dehydration, Mood
Interventions
Increase water consumption, Maintain adequate water consumption
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 35 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Nuun Instant on Hydration Status in Active Men and Women

NCT04764565
View directory record Official record
Conditions
Hydration
Interventions
Nuun Instant, Water, Nuun Electrolyte
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 4 Interventional Results available

Effect of Probiotic Supplementation on Endothelial Function

NCT01952834
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
GoodBelly Probiotic, Vancomycin
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Milwauke, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Being Responsible for Ourselves HIV Risk Reduction for Black MSM

NCT02561286
View directory record Official record
Conditions
Human Immunodeficiency Virus Infection (HIV), Sexually Transmitted Disease (STD)
Interventions
BRO HIV Risk Reduction Intervention, Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2015 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Navigating Insurance Coverage Expansion (NICE)

NCT04263441
View directory record Official record
Conditions
HIV/AIDS
Interventions
NICE Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
3
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 2 Interventional Results available

A Study of Talazoparib in Men With DNA Repair Defects and Metastatic Castration-Resistant Prostate Cancer

NCT03148795
View directory record Official record
Conditions
Prostate Cancer
Interventions
Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
42
States / cities
Tempe, Arizona • Duarte, California • Lancaster, California + 23 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2024 · Synced Nov 2, 2026, 5:34 PM EST
Terminated Not applicable Interventional

ACT for HIV-Positive Men

NCT06625437
View directory record Official record
Conditions
Stress, Anxiety, Mental Disorder, Distress-based Psychopathology
Interventions
Acceptance and commitment therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Nov 2, 2026, 5:34 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Varying Testosterone Levels on Insulin Sensitivity in Normal and IHH Men

NCT00470990
View directory record Official record
Conditions
Hypogonadism
Interventions
GnRH antagonist (Acyline)
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 75 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2011 · Synced Nov 2, 2026, 5:34 PM EST
Terminated No phase listed Observational

Genetic Evaluation of Men (GEM)

NCT03076242
View directory record Official record
Conditions
Prostate Cancer
Interventions
GEM Registry
Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
3
States / cities
Abington, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 2 Interventional Results available

A Study of Sipuleucel-T With Administration of Enzalutamide in Men With Metastatic Castrate-Resistant Prostate Cancer

NCT01981122
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
sipuleucel-T, enzalutamide
Biological · Drug
Lead sponsor
Dendreon
Industry
Eligibility
18 Years and older · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
19
States / cities
Tucson, Arizona • Los Angeles, California • Denver, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 4 Interventional

A Multicenter, Randomized, Parallel Group, Double-Blind, Placebo Controlled, Flexible Dose Escalation Study To Evaluate Sexual And Relationship Satisfaction In The Female Partner Of Men With Erectile Dysfunction Treated With Sildenafil Citrate

NCT00644631
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
sildenafil, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
31
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Beverly Hills, California + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Nov 2, 2026, 5:34 PM EST
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 Nov 2, 2026, 5:34 PM EST
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Jump Start Nutrition Program on Weight Loss and Associated Measures

NCT05443269
View directory record Official record
Conditions
Weight Loss
Interventions
Jump Start Nutritional Program
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Nov 2, 2026, 5:34 PM EST
Completed Phase 2 Interventional Results available

Testosterone and Growth Hormone for Bone Loss in Men

NCT00080483
View directory record Official record
Conditions
Hypopituitarism, Hypogonadism, Growth Hormone Deficiency
Interventions
Testosterone plus somatropin, testosterone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2014 · Synced Nov 2, 2026, 5:34 PM EST
Active, not recruiting Phase 3 Interventional

Study of Talazoparib With Enzalutamide in Men With DDR Gene Mutated mCSPC

NCT04821622
View directory record Official record
Conditions
Prostate Cancer
Interventions
talazoparib plus enzalutamide, Placebo plus enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
45
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Nov 2, 2026, 5:34 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Diurnal Testosterone Concentration

NCT03091296
View directory record Official record
Conditions
Testosterone Deficiency
Interventions
Not listed
Lead sponsor
Men's Health Boston
Other
Eligibility
18 Years to 46 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 27, 2018 · Synced Nov 2, 2026, 5:34 PM EST