Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 24, 2026, 8:54 AM EDT

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Showing 457–480 of 1,689 matching trials from the live ClinicalTrials.gov search.
Conditions
Smoking Cessation
Interventions
Nicotine transdermal patch
Drug
Lead sponsor
University of Texas at Austin
Other
Eligibility
23 Years to 60 Years · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Austin, Texas
Conditions
Schizophrenia
Interventions
lamotrigine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
32
States / cities
Little Rock, Arkansas • Garden Grove, California • La Mesa, California + 28 more
Completed Not applicable Interventional Accepts healthy volunteers

The Body's Response to Changes in Dietary Protein and Meal-Frequency In Men

NCT01171716
Conditions
Low Protein Dietary Intake, High Protein Dietary Intake
Interventions
Meal Patterning
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years and older · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Lafayette, Indiana
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
HIV/AIDS and Infections, Sexual Behavior, Health Knowledge, Attitudes, Practice
Interventions
3T Tune in! Turn on! Turn up!, General Health Materials Website
Behavioral
Lead sponsor
ETR Associates
Other
Eligibility
14 Years to 19 Years · Male only
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Scotts Valley, California
Conditions
Adenocarcinoma of Prostate
Interventions
Dashboard
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
40 Years to 85 Years · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Rochester, New York
Conditions
Prostate Cancer
Interventions
Samarium-153, Total Androgen Suppression (TAS) with Bicalutamide, Total androgen suppression (TAS) with Goserelin Acetate, Radiation Therapy
Drug · Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Androgen Axis Suppression, Prostatectomy, Prostate Cancer
Interventions
Apalutamide, Androgen Deprivation Therapy
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
6
States / cities
Gilbert, Arizona • Chicago, Illinois • Kansas City, Kansas + 3 more
Conditions
Prostate Cancer
Interventions
GnRH agonist, Anti-androgen, TAK-700, Radiation therapy
Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2025
U.S. locations
165
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 136 more
Conditions
Androgen-insensitive Prostate Cancer
Interventions
MVA-BN-PRO
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
Homewood, Alabama • Washington D.C., District of Columbia • Lawrenceville, New Jersey + 4 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Barbershop Talk: HIV Prevention for African American Heterosexual Men

NCT01980771
Conditions
HIV
Interventions
BTWB intervention, Cancer prevention and screening
Behavioral
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
860 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
2
States / cities
Brooklyn, New York
Conditions
Sexually Transmitted Diseases, Bacterial, Alcohol; Harmful Use
Interventions
Access to Game Plan app and 24-hour helpline
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
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
Completed Not applicable Interventional Accepts healthy volunteers

Social Networks and Prevention for HIV Care and Prevention

NCT01800721
Conditions
HIV
Interventions
SNAP, SNAP Control
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
559 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
HIV, Cardiovascular Disease, Diabetes, Hypertension, Colon Cancer
Interventions
Health Promotion Intervention, Health Awareness Control Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years and older · Male only
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Hypercholesterolemia
Interventions
corn oil, Avocado Oil
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 74 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Prostatic Neoplasms
Interventions
Niraparib, Abiraterone Acetate (AA), Prednisone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
West Valley City, Utah
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
Conditions
Obesity
Interventions
Whey protein supplementation with exercise, Non protein supplementation with exercise (control)
Dietary Supplement · Other
Lead sponsor
Purdue University
Other
Eligibility
35 Years to 65 Years
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
HIV Infections
Interventions
Cognitive-Behavioral Intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
San Francisco, California
Conditions
Biochemically Recurrent Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Durvalumab, Olaparib, Quality-of-Life Assessment, Questionnaire Administration
Biological · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Prostate Adenocarcinoma
Interventions
Evaluation, Quality-of-Life Assessment
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Ku Ola Project: Enhancing Health Promotion Among Native Hawaiian Men.

NCT06964633
Conditions
Health Promotion, Health
Interventions
Kūkākūkā Discussion Sessions
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older · Male only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
Aggressive Variant Prostate Carcinoma, Castration-Resistant Prostate Carcinoma, Metastatic Prostate Carcinoma, Metastatic Prostate Neuroendocrine Carcinoma, Metastatic Prostate Small Cell Carcinoma, Stage IV Prostate Cancer AJCC v8
Interventions
Cabazitaxel, Carboplatin, Cetrelimab, Niraparib
Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas