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Showing 1–24 of 188 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Men Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Motivational Interviewing for Getting Healthy TodaY Study

NCT03410225
View directory record Official record
Conditions
Pregnancy Related, Diet Modification
Interventions
CAMI-TPP, CAMI-Fitness
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
15 Years to 24 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Test the Effects of Other Drugs on SEP-380135 in Healthy Men and Women

NCT07305779
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP-380135, Quinidine Gluconate
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 3, 2026, 9:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Impact of Dietary Pattern on Erectile Function

NCT04349059
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Animal based diet, Plant based diet
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

NASOBOL in Hypogonadal Men in Comparison to Testosterone Levels in Normal Healthy Male Volunteers

NCT00647868
View directory record Official record
Conditions
Hypogonadism
Interventions
testosterone
Drug
Lead sponsor
Acerus Pharmaceuticals Corporation
Industry
Eligibility
20 Years to 60 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional

Se-Methyl-Seleno-L- Cysteine (MSC) in Treating Healthy Patients

NCT00489372
View directory record Official record
Conditions
Healthy, no Evidence of Disease
Interventions
Se-methyl-seleno-L-cysteine, placebo, pharmacological study, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 70 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Chicago, Illinois • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2014 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

"GameDay Ready": Evaluating a Behavioral Weight Management Program for Black Men Living in the Rural South

NCT05530980
View directory record Official record
Conditions
Obesity, Physical Inactivity, Diet, Healthy
Interventions
GameDay Ready Program
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
25 Years to 50 Years · Male only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of Pre-Absorptive Dissociation of Zinc From a Zinc Amino Acid Complex in Healthy Men

NCT03934346
View directory record Official record
Conditions
Fractional Zinc Absorption
Interventions
Zinc amino acid complex
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Double-Blind Randomized Crossover Trial to Access Electrocardiogram Effects of HPN-100

NCT01135680
View directory record Official record
Conditions
Drug Toxicity
Interventions
HPN-100, HPN-100 or Placebo, Placebo, Moxifloxacin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 45 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 19, 2024 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluate the Pharmacokinetics and Gonadotropin Suppression of Nestorone®-Testosterone (NES/T) Combination Gel in Men

NCT02432261
View directory record Official record
Conditions
Healthy
Interventions
Nestorone® /testosterone gel, Testosterone only gel
Drug
Lead sponsor
Kimberly Myer
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of Daily Application of Nestorone® (NES) and Testosterone (T) Combination Gel for Male Contraception

NCT03452111
View directory record Official record
Conditions
Healthy, Men, Male Contraception
Interventions
Nestorone + Testosterone Combination Gel
Drug
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 50 Years
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
9
States / cities
Sacramento, California • Torrance, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NEM® + KD PUR® Fish Oil Versus Placebo in Exercised-induced Joint Pain, Stiffness, & Cartilage Turnover in Healthy Men & Women

NCT04215198
View directory record Official record
Conditions
Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Joint Cartilage Turnover
Interventions
Move3™ (NEM® brand eggshell membrane + KD PUR® brand fish oil), Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
40 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Short Term Growth Hormone Releasing Hormone in Healthy Men

NCT00850564
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Growth Hormone Releasing Hormone (Tesamorelin)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Sep 3, 2026, 9:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Season on Melatonin Secretion in Healthy Men and Women and Patients With Seasonal Affective Disorder

NCT00001485
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Gyngerlean Supplementation on Energy Expenditure

NCT06805201
View directory record Official record
Conditions
No Disease or Condition is Being Studied, Metabolism
Interventions
Gyngerlean
Dietary Supplement
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 3, 2026, 9:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Beverage Volume, Glycerol Concentration, and Sodium Concentration on Fluid Balance in Healthy Euhydrated Men and Women at Rest

NCT06854471
View directory record Official record
Conditions
Fluid Balance
Interventions
Placebo beverage, kiwi-strawberry flavor, Electrolyte solution without glycerol beverage 1, Electrolyte solution without glycerol beverage 2, Electrolyte solution without glycerol beverage 3, Electrolyte solution with glycerol beverage 1, Electrolyte solution with glycerol beverage 2, Electrolyte solution with glycerol beverage 3, Base with glycerol, no electrolytes beverage 1, Base with glycerol, no electrolytes beverage 2, Base with glycerol, no electrolytes beverage 3
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
3
States / cities
Bradenton, Florida • St. Petersburg, Florida • Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Sep 3, 2026, 9:09 PM 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 3, 2020 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Transform Burn on Weight Loss

NCT06092840
View directory record Official record
Conditions
Weight Loss
Interventions
Transform Burn
Dietary Supplement
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years to 72 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety And Tolerability Study Of RN564 In Women With Osteopenia And Healthy Men.

NCT01293487
View directory record Official record
Conditions
Osteopenia, Osteoporosis, Bone Disease
Interventions
RN564
Biological
Lead sponsor
Pfizer
Industry
Eligibility
55 Years to 80 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
8
States / cities
Coral Gables, Florida • Miami, Florida • South Miami, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Selenium on Prostate Cancer Related Biomarkers

NCT01112449
View directory record Official record
Conditions
Effect of Selenium on Oxidative Stress in Healthy Men
Interventions
Placebo, selenomethionine, low dose selenized-yeast, high dose selenized-yeast
Other · Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
20 Years to 79 Years · Male only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2015 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Concentration of Denosumab in Seminal Fluid in Healthy Men After a Single Subcutaneous Dose

NCT01869686
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Denosumab
Biological
Lead sponsor
Amgen
Industry
Eligibility
40 Years to 65 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2014 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Using Magnetic Resonance (MR) to Understand the Effect of Erythromycin on Bowel Motility

NCT01379183
View directory record Official record
Conditions
Healthy
Interventions
Erythromycin, Placebo, Magnetic Resonance Imaging, Barium Sulfate Solution
Drug · Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 20, 2016 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Acute Bioavailability of EPA and DHA From a DietarySupplement in Healthy Men and Women

NCT02865044
View directory record Official record
Conditions
Healthy
Interventions
Wax Ester Marine Oil, Ethyl Ester Marine Oil
Other
Lead sponsor
Calanus
Industry
Eligibility
18 Years to 59 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2016 · Synced Sep 3, 2026, 9:09 PM 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 20, 2022 · Synced Sep 3, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study Evaluating the Efficacy and Safety of BENEV Exosome Regenerative Complex+ for Self-perceived Thinning Hair

NCT06571799
View directory record Official record
Conditions
Thinning Hair
Interventions
BENEV Exosome Regenerative Complex+
Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 3, 2026, 9:09 PM EDT