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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:32 AM EDT

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Showing 73–96 of 1,689 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Men Clear all
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Study to Determine the Effects of Testosterone Replacement Therapy in Aging Men With Androgen Deficiency

NCT00161304
View directory record Official record
Conditions
Men With Low Testosterone Levels
Interventions
Testosterone Enanthate, Placebo
Drug · Other
Lead sponsor
Leonard S. Marks, M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 22, 2026, 5:32 AM EDT
Terminated Early Phase 1 Interventional

68Ga-DOTA-TOC PET/CT in Imaging Participants With Neuroendocrine Tumors

NCT03001349
View directory record Official record
Conditions
Meningioma, Metastatic Well Differentiated Neuroendocrine Neoplasm, Multiple Endocrine Neoplasia Type 1, Neuroendocrine Neoplasm, Somatostatin Positive Neoplastic Cells Present, Von Hippel-Lindau Syndrome
Interventions
Computed Tomography, Gallium Ga 68-Edotreotide, Positron Emission Tomography
Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 22, 2026, 5:32 AM EDT
Terminated Phase 2 Interventional Results available

Follicle Stimulating Hormone (FSH) to Improve Testicular Development in Men With Hypogonadism

NCT00064987
View directory record Official record
Conditions
Hypogonadism, Kallmann Syndrome
Interventions
Testicular biopsy, gonadotropin releasing hormone (GnRH), follicle stimulating hormone (FSH)
Procedure · Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2017 · Synced Oct 22, 2026, 5:32 AM EDT
Terminated Phase 1Phase 2 Interventional

To Determine an Effective Dose of VERU-100 for the Treatment of Advanced Prostate Cancer

NCT04843319
View directory record Official record
Conditions
Advanced Prostate Adenocarcinoma
Interventions
VERU-100
Drug
Lead sponsor
Veru Inc.
Industry
Eligibility
18 Years to 100 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
11
States / cities
Tucson, Arizona • San Bernardino, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 1 Interventional

Raltegravir as Early Therapy in African-Americans Living With HIV Study

NCT00667433
View directory record Official record
Conditions
HIV Infections
Interventions
Raltegravir + Truvada
Drug
Lead sponsor
David A Wohl, MD
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 3 Interventional Results available

"REDUCE" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased Risk

NCT00056407
View directory record Official record
Conditions
Neoplasms, Prostate
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 75 Years · Male only
Enrollment
8,231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
297
States / cities
Birmingham, Alabama • Homewood, Alabama • Huntsville, Alabama + 236 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 22, 2026, 5:32 AM EDT
Terminated Not applicable Interventional

Effects of Ergothioneine on Cognition, Mood, and Sleep in Healthy Adult Men and Women

NCT04556032
View directory record Official record
Conditions
Healthy
Interventions
L-Ergothioneine 10 mg/d, L-Ergothioneine 25 mg/d, Placebo
Dietary Supplement · Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
55 Years to 79 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 3 Interventional Results available

Provenge® (Sipuleucel-T) Active Cellular Immunotherapy Treatment of Metastatic Prostate Cancer After Failing Hormone Therapy

NCT00065442
View directory record Official record
Conditions
Prostate Cancer
Interventions
Sipuleucel-T, APC-Placebo
Biological
Lead sponsor
Dendreon
Industry
Eligibility
18 Years and older · Male only
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
65
States / cities
Laguna Hills, California • Loma Linda, California • Los Angeles, California + 49 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2010 · Synced Oct 22, 2026, 5:32 AM EDT
Active, not recruiting No phase listed Observational

Agriculture Health Study

NCT00352924
View directory record Official record
Conditions
Prostate Cancer, Pesticide Exposures, Lymphoma, Multiple Myeloma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
89,655 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1993
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 5:32 AM EDT
Active, not recruiting No phase listed Observational

A Study of Telemedicine Shared Medical Appointments (SMAs) Versus Individual Telemedicine Visits for People With Prostate Cancer

NCT05416996
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 22, 2026, 5:32 AM EDT
Enrolling by invitation Not applicable Interventional

Mediterranean Diet Intervention Among Men at LBJ Hospital With Prostate Cancer

NCT06935097
View directory record Official record
Conditions
Prostate Cancer
Interventions
Mediterranean diet-based Intervention
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 22, 2026, 5:32 AM EDT
Completed No phase listed Observational

The Registry of Oncology Outcomes Associated With Testing and Treatment

NCT04028479
View directory record Official record
Conditions
Adenocarcinoma, Adenocystic Carcinoma, Anal Cancer, Appendix Cancer, Brain Tumor, Glioblastoma, Astrocytoma, Bile Duct Cancer, Cholangiocarcinoma, Bladder Cancer, Bone Cancer, Synovial Sarcoma, Chondrosarcoma, Liposarcoma, Sarcoma, Kaposi, Sarcoma,Soft Tissue, Sarcoma, Osteosarcoma, CNS Cancer, Brain Stem Neoplasms, Breast Cancer, Cervical Cancer, Colorectal Cancer, Rectal Cancer, Colon Cancer, Esophageal Cancer, Esophagus Cancer, Cancer of Colon, Pancreatic Cancer, Cancer of Pancreas, Testis Cancer, Testicular Cancer, Ureter Cancer, Renal Cell Carcinoma, Kidney Cancer, Gestational Trophoblastic Tumor, Head and Neck Neoplasms, Parotid Tumor, Larynx Cancer, Tongue Cancer, Pharynx Cancer, Salivary Gland Cancer, Acute Myeloid Leukemia, Chronic Myeloid Leukemia, Acute Lymphoblastic Leukemia, Multiple Myeloma, Non Hodgkin Lymphoma, Carcinoid Tumor, Lung Cancer, Neuroendocrine Tumors, Mesothelioma, Thyroid Cancer, Parathyroid Neoplasms, Adrenal Cancer, Small Bowel Cancer, Stomach Cancer, Liver Cancer, Hepatic Cancer, Melanoma, Skin Cancer, Unknown Primary Tumors, Uterine Cancer, Fallopian Tube Cancer, Ovarian Cancer, Prostate Cancer, Vaginal Cancer, Penile Cancer, Vulvar Cancer, Waldenstrom Macroglobulinemia, Cancer, Advanced, Thymus Cancer, Nasopharyngeal Carcinoma, Multiple Endocrine Neoplasia, Pheochromocytoma, Small Cell Carcinoma, Pulmonary Carcinoma
Interventions
Biomarker Testing (L), Systemic Treatment (T), Patient Reported Outcomes (P)
Diagnostic Test · Drug · Other
Lead sponsor
Taproot Health
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Idaho Falls, Idaho • Laredo, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ACTIV- Exercise Intervention in Healthy Young Men

NCT00401791
View directory record Official record
Conditions
Insulin Resistance
Interventions
Exercise
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
25 Years to 35 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2016
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 2 Interventional

Combination Chemotherapy Plus Filgrastim in Treating Patients With Stage IV Prostate Cancer That Has Not Responded to Hormone Therapy

NCT00005810
View directory record Official record
Conditions
Prostate Cancer
Interventions
filgrastim, carboplatin, docetaxel, estramustine phosphate sodium
Biological · Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
7
States / cities
San Francisco, California • Chicago, Illinois • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effectiveness of the Nicotine Patch in Male and Female Smokers - 2

NCT00135746
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 22, 2026, 5:32 AM EDT
Active, not recruiting Phase 2 Interventional

Trametinib in Treating Patients With Progressive Metastatic Hormone-Resistant Prostate Cancer

NCT02881242
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Recurrent Prostate Carcinoma, Stage IV Prostate Cancer
Interventions
Laboratory Biomarker Analysis, Quality-of-Life Assessment, Trametinib
Other · Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 1, 2023 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study Evaluating Implementation Strategies for the Delivery of Cabotegravir in Low and High-Volume PrEP Site in the United States

NCT05374525
View directory record Official record
Conditions
HIV Infections
Interventions
APRETUDE, Cabotegravir OLI
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older · Male only
Enrollment
287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
17
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 22, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Salivary Immunoglobulin A (sIgA) Normal Range Study

NCT06248788
View directory record Official record
Conditions
Salivary Immunity
Interventions
PoC Device
Device
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Phase 2 Interventional

Study to Determine Safety and Effectiveness of Tadalafil on Prostate Related Sex Organ/Urinary Tract Problems

NCT00547625
View directory record Official record
Conditions
Prostatic Hyperplasia, Prostate
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years and older · Male only
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 22, 2007 · Synced Oct 22, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pilot Project to Examine the Effects of Exercise on Nocturnal Lipolysis in Men and Women

NCT02408510
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 35 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Oct 22, 2026, 5:32 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Bioavailability of EPA and DHA From Two Dietary Supplements

NCT01908374
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
DHA-rich fish oil versus Phospholipid-rich fish oil
Dietary Supplement
Lead sponsor
Arctic Nutrition AS
Industry
Eligibility
18 Years to 59 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 25, 2013 · Synced Oct 22, 2026, 5:32 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Throat and Other HPV-Related Cancers in Men: Identifying Them Early

NCT02897427
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Biomarker Analysis, Biospecimen Collection, Ultrasonography
Other · Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
50 Years to 64 Years · Male only
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PrEP Affect Regulation Treatment Innovation

NCT04899024
View directory record Official record
Conditions
Medication Adherence, HIV Prevention, Stimulant Use
Interventions
PARTI, Attention-Control, Contingency Management for PrEP Adherence
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
San Francisco, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 22, 2026, 5:32 AM EDT
Completed Not applicable Interventional

PTSD Treatment for Incarcerated Men and Women

NCT03891797
View directory record Official record
Conditions
PTSD
Interventions
Cognitive Processing Therapy
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Fox Lake, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Oct 22, 2026, 5:32 AM EDT