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ClinicalTrials.gov public records Last synced Nov 3, 2026, 5:13 AM EST

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Showing 1657–1680 of 1,690 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Men Clear all
Completed No phase listed Observational

Determining the Risk Factors Such as Smoking, Alcohol, and Caffeine and Their Association With Osteoporosis in Men

NCT00011323
View directory record Official record
Conditions
Osteoporosis
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years and older · Male only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Nov 3, 2026, 5:13 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Integrated BA and HIV RR Counseling for MSM With Stimulant Abuse

NCT03175159
View directory record Official record
Conditions
Stimulant Abuse, HIV Prevention, Substance Abuse
Interventions
IMPACT, Standard of Care
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
2
States / cities
Miami, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional

28-Day Study of Testosterone Co-administered With Dutasteride in Hypogonadal Men

NCT00398580
View directory record Official record
Conditions
Hypogonadism, Hypogonadism, Male
Interventions
Nanomilled testosterone, Nanomilled dutasteride, commercially available dutasteride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
7
States / cities
Torrance, California • Louisville, Kentucky • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Nov 3, 2026, 5:13 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Study of Recently HIV Infected Men and Transmission Behaviors

NCT01201083
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 18, 2019 · Synced Nov 3, 2026, 5:13 AM EST
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 Nov 3, 2026, 5:13 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home Self-Testing for HIV to Increase HIV Testing Frequency in Men Who Have Sex With Men (The iTest Study)

NCT01161446
View directory record Official record
Conditions
HIV
Interventions
Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test, Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test
Behavioral · Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional Results available

Treatment of Sexual Dysfunction in Hypogonadal Men With Epilepsy With Testosterone and Either Anastrozole or Placebo

NCT00179517
View directory record Official record
Conditions
Seizure Disorder, Hypogonadism, Erectile Dysfunction
Interventions
Anastrozole 1mg, Placebo Oral Tablet
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Nov 3, 2026, 5:13 AM EST
Active, not recruiting Phase 3 Interventional

A Study to Learn About the Investigational Medicine Called PF-06821497 (Mevrometostat) in Men With mCRPC Who Were Previously Treated With Abiraterone Acetate for Prostate Cancer (MEVPRO-1).

NCT06551324
View directory record Official record
Conditions
Metastatic Castrate Resistant Prostate Cancer (mCRPC)
Interventions
PF-06821497, Docetaxel, Enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
70
States / cities
Homewood, Alabama • Chandler, Arizona • Gilbert, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2026 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional Results available

Bipolar Androgen-based Therapy for Prostate Cancer (BAT)

NCT01750398
View directory record Official record
Conditions
Recurrent Prostate Cancer
Interventions
Testosterone cypionate, Goserelin, Leuprolide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Nov 3, 2026, 5:13 AM EST
Completed No phase listed Observational

Assessing Drivers and Barriers to Follow-Up Screening for Anal Cancer in Men Who Have Sex With Men

NCT00501306
View directory record Official record
Conditions
Anal Cancer
Interventions
Not listed
Lead sponsor
Laser Surgery Care
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2011 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional

Celecoxib Compared With No Treatment Before Surgery in Treating Patients With Localized Prostate Cancer

NCT00022399
View directory record Official record
Conditions
Prostate Cancer
Interventions
celecoxib, Placebos
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 120 Years · Male only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2019 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 4 Interventional

Testosterone for HIV-Positive Men With Reduced Serum Testosterone Levels and Abdominal Fat

NCT00009555
View directory record Official record
Conditions
HIV Infections
Interventions
Testosterone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
26
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Nov 3, 2026, 5:13 AM EST
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 Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional Results available

Study of Sipuleucel-T W/ or W/O Radium-223 in Men With Asymptomatic or Minimally Symptomatic Bone-MCRPC

NCT02463799
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radium-223, Sipuleucel-T
Drug · Biological
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Los Angeles, California • Washington D.C., District of Columbia • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Nov 3, 2026, 5:13 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Onnit Labs New Mood Supplementation in Healthy College Students

NCT05109923
View directory record Official record
Conditions
Mental Health Wellness 1
Interventions
Multi-Ingredient Herbal Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of Idaho
Other
Eligibility
18 Years to 24 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Moscow, Idaho
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 2 Interventional

Effectiveness of Structured Ecosystems Therapy for Reducing HIV Risk Behaviors and Improving Treatment Adherence in HIV Infected Men Released From Prison

NCT00344591
View directory record Official record
Conditions
HIV Infections, Acquired Immunodeficiency Syndrome
Interventions
Structured Ecosystems Therapy (SET), Individually tailored intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2015 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 3 Interventional Results available

Concomitant Use of PriLigy in Men Treated for Erectile Dysfunction

NCT01063855
View directory record Official record
Conditions
Erectile Dysfunction, Sexual Dysfunction
Interventions
Placebo, Dapoxetine, PDE5I (phosphodiesterase-5 inhibitor)
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older · Male only
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
19
States / cities
Decatur, Alabama • Huntsville, Alabama • Englewood, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2013 · Synced Nov 3, 2026, 5:13 AM EST
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 Nov 3, 2026, 5:13 AM EST
Completed Phase 4 Interventional Results available

Dutasteride With Tolterodine ER or Placebo to Treat Lower Urinary Tract Symptoms (LUTS)

NCT00939120
View directory record Official record
Conditions
Benign Prostatic Hyperplasia (BPH)
Interventions
Tolterodine ER 4mg, Placebo, Pre-randomization Dutasteride
Drug
Lead sponsor
Siami, Paul F., M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Newburgh, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2015 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 4 Interventional Results available

Testosterone Replacement in Men With Diabetes and Obesity

NCT01127659
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 29, 2022 · Synced Nov 3, 2026, 5:13 AM EST
Recruiting No phase listed Observational

Familial Investigations of Childhood Cancer Predisposition

NCT03050268
View directory record Official record
Conditions
Acute Leukemia, Adenomatous Polyposis, Adrenocortical Carcinoma, AML, BAP1 Tumor Predisposition Syndrome, Carney Complex, Choroid Plexus Carcinoma, Constitutional Mismatch Repair Deficiency Syndrome, Diamond-Blackfan Anemia, DICER1 Syndrome, Dyskeratosis Congenita, Emberger Syndrome, Familial Acute Myeloid Leukemia, Familial Adenomatous Polyposis, Fanconi Anemia, Familial Cancer, Familial Wilms Tumor, Familial Neuroblastoma, GIST, Hereditary Breast and Ovarian Cancer, Hereditary Paraganglioma-Pheochromocytoma Syndrome, Hodgkin Lymphoma, Juvenile Polyposis, Li-Fraumeni Syndrome, Lynch Syndrome, MDS, Melanoma Syndrome, Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia Type 2, Neuroblastoma, Neurofibromatosis Type 1, Neurofibromatosis Type II, Nevoid Basal Cell Carcinoma Syndrome, Non Hodgkin Lymphoma, Noonan Syndrome and Other Rasopathy, Overgrowth Syndromes, Pancreatic Cancer, Peutz-Jeghers Syndrome, Pheochromocytoma/Paraganglioma, PTEN Hamartoma Tumor Syndrome, Retinoblastoma, Rhabdoid Tumor Predisposition Syndrome, Rhabdomyosarcoma, Rothmund-Thomson Syndrome, Tuberous Sclerosis, Von Hippel-Lindau Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2037
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Nov 3, 2026, 5:13 AM EST
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

The Effect of Hibiscus Sabdariffa L. Tea on Blood Pressure

NCT00175110
View directory record Official record
Conditions
Hypertension
Interventions
herbal therapy/botanical therapy (Hibiscus sabdariffa)
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
30 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 3, 2009 · Synced Nov 3, 2026, 5:13 AM EST
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 Oct 30, 2026 · Synced Nov 3, 2026, 5:13 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Effect of Niaspan on Cholesterol in Men

NCT00765284
View directory record Official record
Conditions
HDL Cholesterol
Interventions
Not listed
Lead sponsor
KineMed
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2011 · Synced Nov 3, 2026, 5:13 AM EST