Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 29, 2026, 8:43 PM EDT

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Showing 889–912 of 1,690 matching trials from the live ClinicalTrials.gov search.
Conditions
Prostate Cancer
Interventions
Walk with Ease
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
65 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Tobacco Use Disorder
Interventions
nicotine transdermal system
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Richmond, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enema Use and Acceptability in HIV Negative Men Who Have Sex With Men

NCT00696618
Conditions
HIV Infections
Interventions
Fleet Enema, tap water enema, Normosol-R enema
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Aerobic Plus Resistance Training and Insulin Sensitivity in African American Men

NCT01787617
Conditions
Insulin Resistance, Type 2 Diabetes
Interventions
Aerobic Plus Resistance Training Group, Control Group
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
35 Years to 70 Years · Male only
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Conditions
Hypogonadism, Male
Interventions
Testosterone Undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Northbrook, Illinois
Conditions
Coronary Heart Disease
Interventions
gemfibrozil, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 73 Years · Male only
Enrollment
2,531 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 1999
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Prostate Cancer
Interventions
QOL Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Emtricitabine/Tenofovir Disoproxil Fumarate for HIV Prevention in Men

NCT00458393
Conditions
HIV Infections
Interventions
daily TDF/FTC, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
2,499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
3
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts
Conditions
Lung Cancer Screening
Interventions
Educational Video about LDCT lung cancer screening, A culturally tailored shared decision-making tool, Flip chart, Navigation support
Other
Lead sponsor
University of Illinois Chicago
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Germ Cell Tumor
Interventions
Brentuximab Vedotin, Bevacizumab
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Ejaculation
Interventions
UK-390,957
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
14
States / cities
Birmingham, Alabama • San Bernardino, California • Metairie, Louisiana + 11 more
Completed No phase listed Observational Accepts healthy volunteers

Predicting Peripheral Arterial Disease in Men With Erectile Dysfunction

NCT00743613
Conditions
Erectile Dysfunction, Peripheral Arterial Disease
Interventions
Sexual Health Inventory for Men (SHIM), Ankle-Brachial Index (ABI)
Behavioral · Procedure
Lead sponsor
Bruton Avenue Family Practice
Other
Eligibility
50 Years and older · Male only
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
5
States / cities
Fitchburg, Massachusetts • Hampton, Virginia • Newport News, Virginia + 1 more
Conditions
Solid Tumor
Interventions
Neratinib, Paclitaxel, Pertuzumab, Trastuzumab
Drug
Lead sponsor
Michelle Melisko
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Francisco, California
Conditions
Hormone Refractory Prostate Cancer
Interventions
AT-101
Drug
Lead sponsor
Ascenta Therapeutics
Industry
Eligibility
18 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
4
States / cities
Greenbrae, California • New Haven, Connecticut • Memphis, Tennessee + 1 more
Conditions
HIV Prevention, Latino Men Who Have Sex With Men, Pharmacy
Interventions
PrEP & Soccer PrEP Navigation, CVS Health brochure
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 54 Years · Male only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Miami, Florida
Recruiting Not applicable Interventional Accepts healthy volunteers

IMARA for Black Male Caregivers and Girls Empowerment (IMAGE)

NCT06266416
Conditions
Sexually Transmitted Infections (Not HIV or Hepatitis), HIV Infections, Sexual Behavior
Interventions
IMARA for Black Male Caregivers and Girls Empowerment, Time-matched control program
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
13 Years and older
Enrollment
612 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Prostate Cancer, Metastatic Castration-resistant Prostate Cancer
Interventions
89Zr-DFO-YS5, YS5 antibody, Positron Emission Tomography (PET)/Computerized tomography (CT), Positron Emission Tomography (PET)/Magnetic Resonance Imaging (MRI)
Drug · Biological · Procedure
Lead sponsor
Robert Flavell, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
HIV Infections
Interventions
ChiCAS
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Prostate Cancer
Interventions
ARN-509, LHRH Agonist
Drug
Lead sponsor
Aragon Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
5
States / cities
Scottsdale, Arizona • San Francisco, California • Chicago, Illinois + 2 more
Conditions
Chlamydia Infection, Gonococcal Infection, Sexually Transmitted Diseases
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
San Francisco, California
Conditions
Depressive Symptoms, Anxiety Generalized
Interventions
Mobile Phone Application
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
17 Years to 20 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Prostate Cancer
Interventions
Internet-Based Intervention, Best Practice, Quality-of-Life Assessment, Questionnaire Administration, Survey Administration, Laboratory Biomarker Analysis
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
5
States / cities
Anchorage, Alaska • Scottsdale, Arizona • Cleveland, Ohio + 1 more
Conditions
Metastatic Castrate-Resistant Prostate Cancer
Interventions
Survey
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
4
States / cities
Baltimore, Maryland • Chapel Hill, North Carolina • Portland, Oregon + 1 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Inflammation in Methamphetamine and STIs (IMSTI)

NCT05162391
Conditions
Methamphetamine-dependence, Rectal Gonorrhea, Rectal Chlamydia
Interventions
Contingency Management
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California