Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 26, 2026, 6:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Selenium on Prostate Cancer Related Biomarkers

NCT01112449
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adherence Dynamics for Whole Food Interventions in African-American Men

NCT01408459
Conditions
Healthy
Interventions
Tomato Product, Control
Dietary Supplement
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older · Male only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

Healthy Human Control Blood Collection for Validation of Biomarker Assay

NCT02302885
Conditions
Healthy
Interventions
Blood collection
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Asthma, Chronic Obstructive Pulmonary Disease COPD
Interventions
AZD7594 inhalation powder (200 μg), AZD7594 inhalation powder (400 μg), AZD7594 pressurized inhalation suspension (200 μg), AZD7594 placebo inhalation powder, AZD7594 placebo pressurized inhalation suspension
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
20 Years to 45 Years · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Glendale, California
Conditions
Healthy Young Men
Interventions
600 mg grape seed extract, 600 mg Starch
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Riverside, California
Conditions
Hydration
Interventions
Beverage. Incomplete block where each participant will complete 3 of the 6 possible glycerol-sodium blends in random order.
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 50 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Valhalla, New York
Conditions
Healhty, Overweight or Obesity
Interventions
BGM1812, Placebo
Drug
Lead sponsor
BrightGene Bio-Medical Technology Co., Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Completed No phase listed Observational Accepts healthy volunteers Results available

HOP-2A - Intratesticular Hormone Levels

NCT00756561
Conditions
Healthy, Male Infertility, Prostate Disease
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic Profile of N-Acetyl Cysteine

NCT06252519
Conditions
Pharmacokinetics
Interventions
NAC, Neuro-NAC, Neuro-NAC XS
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Antibacterial Mouthwash on Muscle Function in Healthy Young Men and Women

NCT04095442
Conditions
Quadriceps Muscle
Interventions
Cepacol, Tom's Natural Mouthwash
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Whey and Albumin Protein on Plasma Levels of Amino Acids

NCT01643265
Conditions
Healthy Men and Women
Interventions
Whey Milk Protein, Bovine Albumin Concentrate
Dietary Supplement
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Ames, Iowa
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

PROS-2 Dose Response Effects of Exogenous Testosterone on the Prostate

NCT01327495
Conditions
Healthy
Interventions
placebo acyline, placebo gel, Testosterone 1% gel 1.25 g, Testosterone 1% gel 2.5 g, Testosterone 1% gel 5.0 g, testosterone 1% gel 10 g, testosterone 1% gel 15 g, Acyline
Other · Drug
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Completed No phase listed Observational Accepts healthy volunteers

Single Dose Truvada in HIV-negative Men and Women

NCT01326221
Conditions
Pharmacokinetic Study in Healthy Volunteers
Interventions
tenofovir + emtricitabine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 49 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Buck Institute Ketone Ester RCT

NCT05585762
Conditions
Tolerance, Safety Issues, Aging
Interventions
Ketone ester, Non-ketone placebo
Other
Lead sponsor
Buck Institute for Research on Aging
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Novato, California
Conditions
Healthy, Impaired Glucose Tolerance
Interventions
Dietary supplement regimen, Dietary supplement and intermittent fasting regimen
Dietary Supplement · Other
Lead sponsor
Unicity International, Inc.
Industry
Eligibility
30 Years to 69 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Healthy Volunteers
Interventions
14C-labeled ASP0367
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Healthy
Interventions
granisetron
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
West Bend, Wisconsin
Conditions
Sexual Health
Interventions
Ashwagandha, Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
30 Years to 50 Years · Male only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Conditions
Muscle Hypotrophy
Interventions
Carnipure AAS, Creatine Monohydrate
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Erectile Dysfunction
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years and older · Male only
Enrollment
282 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bothell, Washington
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Estradiol Addback

NCT01862835
Conditions
Normal Healthy Volunteers
Interventions
Degarelix, Testosterone, Anastrozole, Estrogen patch
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years to 80 Years · Male only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Healthy Aging
Interventions
Not listed
Lead sponsor
Innovus Pharmaceuticals, Inc.
Industry
Eligibility
55 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Diego, California
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Healthy Volunteers Study of the Effects of Olanzapine and Ziprasidone

NCT00910988
Conditions
Hyperglycemia, Hyperlipidemia
Interventions
Olanzapine, Ziprasidone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
St Louis, Missouri