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Showing 1–24 of 1,675 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Effect of Almonds on Immune Strength and Response to Flu Vaccination in Overweight Older Men and Postmenopausal Women: A Randomized Controlled Study

NCT05031663
View directory record Official record
Conditions
Immune Response, Inflammation
Interventions
Almond group, Control Group
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 70 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Jul 21, 2026, 6:09 PM EDT
Terminated Phase 3 Interventional

Cisplatin and Ifosfamide Combined With Either Paclitaxel or Vinblastine in Treating Men With Progressive or Recurrent Metastatic Germ Cell Tumors

NCT00072215
View directory record Official record
Conditions
Extragonadal Germ Cell Tumor, Testicular Germ Cell Tumor
Interventions
cisplatin, ifosfamide, paclitaxel, vinblastine
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years to 120 Years · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
78
States / cities
Anniston, Alabama • La Jolla, California • Los Angeles, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2016 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With HR+ HER2- aBC

NCT02941926
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Letrozole, Goserelin, Leuprolide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
3,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
71
States / cities
Anchorage, Alaska • Chandler, Arizona • Phoenix, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 3 Interventional

The VA HDL Intervention Trial (HIT): Secondary Prevention of Coronary Heart Disease in Men With Low HDL-Cholesterol and Desirable LDL-Cholesterol

NCT00283335
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Jul 21, 2026, 6:09 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Learn How Well Darolutamide Administered Together With Androgen Deprivation Therapy (ADT) Works in Men With Metastatic Hormone-sensitive Prostate Cancer. Results Will be Compared With ADT Alone From a Previously Conducted Study.

NCT05059236
View directory record Official record
Conditions
Metastatic Hormone-sensitive Prostate Cancer
Interventions
Darolutamide (BAY1841788, Nubeqa), ADT
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
31
States / cities
Homewood, Alabama • Tucson, Arizona • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jul 21, 2026, 6:09 PM EDT
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 20, 2016 · Synced Jul 21, 2026, 6:09 PM EDT
Completed No phase listed Observational

Effect of Antiseizure Medication on Hormone Levels and Sexual Function in Men With Epilepsy

NCT00179426
View directory record Official record
Conditions
Seizure Disorder, Epilepsy
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2017 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Depression, Epinephrine, and Platelet Function

NCT00166114
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Escitalopram, Desipramine
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 22, 2015 · Synced Jul 21, 2026, 6:09 PM EDT
Completed No phase listed Observational

A Study to Determine Frequency of DNA-repair Defects in Men With Metastatic Prostate Cancer

NCT03871816
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
Saliva, Blood, or and/or Archival Tumor Tissue Collection and Analysis
Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
14,532 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
93
States / cities
Homewood, Alabama • Mobile, Alabama • Phoenix, Arizona + 82 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety Tolerability and Acceptability of Long Acting Injections of the Human Immunodeficiency Virus (HIV) Integrase Inhibitor, GSK1265744, in HIV Uninfected Men (ECLAIR)

NCT02076178
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
744 Tablet, 744 LA Injection, Placebo Tablet, Placebo Injection
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of onaBoNT-A vs Oral Tamsulosin in Men With BPH and LUTS

NCT01589263
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Lower Urinary Track Symptoms
Interventions
onaBoNT-A + placebo, Tamsulosin + placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older · Male only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Results available

Human Papillomavirus Vaccine Therapy in Treating Men With HIV-1 Infection

NCT00513526
View directory record Official record
Conditions
Infection, Precancerous Condition
Interventions
Gardasil
Biological
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older · Male only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
8
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Jul 21, 2026, 6:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prostate Cancer Genius App Education and Home-based PSA Screening for African American Men

NCT05331638
View directory record Official record
Conditions
Prostate Cancer, Health Behavior
Interventions
Prostate Cancer Genius App, US Prevention Taskforce App
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 69 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Jul 21, 2026, 6:09 PM EDT
Terminated Phase 1 Interventional

Phase1 of Neratinib+Trastuzumab, Pertuzumab, Paclitaxel in Patients With Advanced Solid Tumors/HER2+

NCT02593708
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About How Safe BAY3018250 is and What Happens to it in Healthy Japanese Men and Adult Participants Aged 18 to 55 Years

NCT06562985
View directory record Official record
Conditions
Acute Venous and Arterial Thrombotic and Thromboembolic Events, Healthy Volunteers
Interventions
BAY3018250 Dose 1, Placebo, BAY3018250 Dose 2 infusion, BAY3018250 Dose 2 injection
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Alamitos, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Jul 21, 2026, 6:09 PM EDT
Withdrawn Phase 1 Interventional

Stem Cells for the Improvement of Erectile and Cardiac Function in Aging Men

NCT02107118
View directory record Official record
Conditions
Erectile Dysfunction, Cardiac Disease
Interventions
ARM 1: AdMSC: adipose stem cells, ARM 2: Placebo
Biological · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
40 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving the Diabetic Health of Black Men: MANUP Feasibility Trial

NCT05038176
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Coping Behavior, Self Efficacy, Masculinity
Interventions
MANUP
Behavioral
Lead sponsor
North Carolina Central University
Other
Eligibility
21 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 21, 2026, 6:09 PM EDT
Completed No phase listed Observational

Validation of a Revised Food Frequency Questionnaire

NCT02693184
View directory record Official record
Conditions
Osteoporosis, Nutrition
Interventions
Full length Block 2014 Food Frequency Questionnaire, Revised Calcium, Vitamin D and Protein Screener
Other
Lead sponsor
University of Nebraska
Other
Eligibility
65 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Results available

A Study of Definitive Therapy to Treat Prostate Cancer

NCT02716974
View directory record Official record
Conditions
Prostate Cancer
Interventions
Leuprolide Acetate, Bicalutamide, Docetaxel, Prostatectomy, Radiation
Drug · Procedure · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Jul 21, 2026, 6:09 PM EDT
Withdrawn No phase listed Observational

Assessment of Primary Androgen Deprivation Therapy for Non-metastatic Prostate Cancer Among Elderly

NCT00161252
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
75 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 26, 2021 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 1 Interventional

Impact of Acetazolamide in Reducing Referred Postoperative Pain

NCT04470843
View directory record Official record
Conditions
Prostate Cancer, Men
Interventions
Acetazolamide, Placebo
Drug · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender- and Culturally-Sensitive Weight Loss Intervention for Hispanic Males

NCT02783521
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Counseling sessions, Wait List Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Not applicable Interventional Results available

Evaluation Of "Coaching Boys Into Men" (CBIM) Program

NCT01367704
View directory record Official record
Conditions
Violence, Abuse
Interventions
"Coaching Boys Into Men" program
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 18 Years · Male only
Enrollment
2,006 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Jul 21, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Results available

Subcutaneous vs. Intramuscular Testosterone

NCT03091348
View directory record Official record
Conditions
Testosterone Deficiency, Hypogonadism, Male
Interventions
Testosterone
Drug
Lead sponsor
Men's Health Boston
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Jul 21, 2026, 6:09 PM EDT