Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 26, 2026, 5:00 AM EDT

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Showing 1–24 of 189 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
QTc Interval
Interventions
Droxidopa, Moxifloxacin, Placebo
Drug
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years to 45 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Conditions
Prostatic Neoplasms
Interventions
Zolpidem, ECG
Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Gyngerlean Supplementation on Energy Expenditure

NCT06805201
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
Recruiting Phase 1 Interventional Accepts healthy volunteers

Study of MAR002 in Healthy Men

NCT07195175
Conditions
Acromegaly
Interventions
MAR002, Placebo
Drug
Lead sponsor
Marea Therapeutics
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Completed No phase listed Observational Accepts healthy volunteers

Salivary Immunoglobulin A (sIgA) Normal Range Study

NCT06248788
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
Conditions
Healthy Diet, Nutrition Aspect of Cancer
Interventions
Blueberry Powder Food Product, Dietary Intervention, Questionnaire Administration
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Dihydrotestosterone (DHT) on Prostate Tissue [Short Title: DHT-3]

NCT00490022
Conditions
Healthy
Interventions
Dihydrotestosterone (DHT) gel (0.7%), Placebo gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
35 Years to 55 Years · Male only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

A Family-Based Approach To Reduce Smoking in Vietnamese Men

NCT02007707
Conditions
Tobacco Use Cessation, Healthy Eating
Interventions
Tobacco LHW, Healthy Eating
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
San Jose, California • Santa Clara, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Tomato Products and Disease Risk

NCT00966550
Conditions
Inflammation
Interventions
Tomato, Non-tomato
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Healthy
Interventions
Ad26.Mos4.HIV, Clade C and Mosaic gp140 HIV bivalent vaccine, Placebo
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years to 60 Years
Enrollment
3,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
20
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 14 more
Completed Not applicable Interventional Accepts healthy volunteers

Zinc Supplement Before or With Food in Generally Healthy Men

NCT03619421
Conditions
Zinc Deficiency, Dyslipidemias, Zinc Excess, Inflammation
Interventions
Zinc supplement
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oakland, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Avocado When Added to a Meat Patty on Inflammation in Healthy Men

NCT01397071
Conditions
Healthy Volunteers
Interventions
Avocado
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigational Test of a New Sleep Supplement

NCT03567343
Conditions
Sleep, Mood, Cognitive Performance
Interventions
Proprietary Spearmint Extract Blend, Control
Dietary Supplement · Other
Lead sponsor
University of Arizona
Other
Eligibility
22 Years to 50 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Healthy Volunteers
Interventions
Apremilast Immediate Release, Apremilast Modified Release 1, Apremilast Modified Release 2, Apremilast Modified Release 3, Apremilast Modified Release 4, Apremilast Modified Release 5, Apremilast Modified Release 6, Apremilast Modified Release 8, Apremilast Modified Release 9, Apremilast Modified Release 11, Apremilast Modified Release 12, Apremilast Modified Release 13, Apremilast Modified Release 14
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 1 Interventional Accepts healthy volunteers

A Thorough EKG Safety Study of TA-1790 (Avanafil)

NCT00769041
Conditions
Erectile Dysfunction
Interventions
moxifloxacin, avanafil, sugar pill
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Cardiac Conduction and Repolarization
Interventions
Custirsen, Placebo, Moxifloxacin
Drug
Lead sponsor
Achieve Life Sciences
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lenexa, Kansas
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Effects of Psyllium on Blood Glucose

NCT00888602
Conditions
Healthy Men
Interventions
3.4 g psyllium, 6.8 g psyllium, Meal
Dietary Supplement · Other
Lead sponsor
Procter and Gamble
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Miamiville, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Tolerance and Safety of a Ketone-Promoting Food Ingredient

NCT04707989
Conditions
Tolerance
Interventions
Ketone- Promoting Food Ingredient #1, Ketone- Promoting Food Ingredient #2, Ketone Free Placebo
Other
Lead sponsor
BHB Therapeutics, Ireland LTD
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Addison, Illinois
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
Conditions
Skin Health, Hair Health
Interventions
KSM-66 Ashwagandha® capsule, Placebo Capsule(s)
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Tolerability of Lu AG06474 in Healthy Young Men

NCT05003687
Conditions
Healthy
Interventions
Lu AG06474, Placebo
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Conditions
Androgenetic Alopecia
Interventions
5 billion exosomes and saline solution microneedling, 50 billion exosomes and saline solution microneedling
Combination Product
Lead sponsor
Levit Dermatology
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Brooklyn, New York
Completed Not applicable Interventional Accepts healthy volunteers

T Cell Responses to Various Levels of Exercise Stress

NCT06638684
Conditions
Healthy
Interventions
Exercise
Other
Lead sponsor
University of Kansas
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lawrence, Kansas
Conditions
Healthy Volunteers
Interventions
abaloparatide-sMTS, abaloparatide-SC
Combination Product
Lead sponsor
Radius Health, Inc.
Industry
Eligibility
40 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio