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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Healthy Males Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

TD-4208 Absorption, Distribution, Metabolism and Excretion (ADME) Study in Healthy Male Subjects

NCT02772159
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
TD-4208
Drug
Lead sponsor
Mylan Inc.
Industry
Eligibility
19 Years to 55 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of LY3337641 in Healthy Male Participants

NCT02914379
View directory record Official record
Conditions
Healthy
Interventions
[¹⁴C]-LY3337641
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Bioequivalence of Different Formulations of Risedronate in Healthy Male and Female Subjects

NCT00846196
View directory record Official record
Conditions
Osteoporosis
Interventions
risedronate DR (Phase III clinical supply), risedronate 35 mg DR (Commercial Tablet)
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 65 Years
Enrollment
538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
6
States / cities
San Diego, California • Fort Myers, Florida • Miramar, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2011 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Understand the Safety, Tolerability, and Activity of Drug in Body Over a Period of Time of AZD2693, in Subjects of Non-Childbearing Potential in Overweight But Otherwise Healthy Subjects, and Healthy Chinese and Japanese Subjects

NCT04142424
View directory record Official record
Conditions
Metabolic Disorders, Non-alcoholic Steatohepatitis
Interventions
AZD2693, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacologic Effects of Darifenacin and Tolterodine on Cardiovascular Parameters in Healthy Subjects

NCT00703703
View directory record Official record
Conditions
Healthy
Interventions
Darifenacin, Tolterodine, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
50 Years and older
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
21
States / cities
Phoenix, Arizona • Tempe, Arizona • Little Rock, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1, Open-label Study of the Absorption, Metabolism, and Excretion of [14C]-KW-6356

NCT04147910
View directory record Official record
Conditions
Healthy Male Subjects
Interventions
KW-6356
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Absorption, Metabolism, and Excretion Following a Single Dose of [14C]-Poziotinib in Healthy Male Subjects

NCT04436562
View directory record Official record
Conditions
Healthy
Interventions
[14C]-Poziotinib
Drug
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate Safety, Tolerability, and Pharmacokinetics (PK) of Intravenous (IV) Infusion of MTP-131 (Bendavia™) in Healthy Adults

NCT01115920
View directory record Official record
Conditions
Healthy
Interventions
MTP-131 (Bendavia™)
Drug
Lead sponsor
Stealth BioTherapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 17, 2010 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Absorption, Metabolism, and Excretion of [14C]-AMG 510 Following a Single Oral Dose in Healthy Male Subjects

NCT05578859
View directory record Official record
Conditions
Healthy Subjects
Interventions
AMG 510
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Metformin and Furosemide Drug-Drug Interaction Study

NCT02028689
View directory record Official record
Conditions
Healthy
Interventions
Lesinurad 400 mg, Metformin 850 mg, Furosemide 40 mg
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Trial of Inactivated West Nile Virus Vaccine

NCT02337868
View directory record Official record
Conditions
West Nile Viral Infection
Interventions
HydroVax-001, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 27, 2019 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Detect Radioactivity of [14C]-OPC-167832 in Urine and Feces in Healthy Men

NCT07314320
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[14C]-OPC-167832
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Jul 23, 2026, 6:11 AM 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 Nov 11, 2025 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Excretion of Oral [14C]-Rodatristat Ethyl

NCT05006118
View directory record Official record
Conditions
Healthy
Interventions
Radio-labeled rodatristat ethyl 600 mg
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect Of Fluconazole On Pharmacokinetics Of Fesoterodine In Healthy Subjects

NCT00911235
View directory record Official record
Conditions
Overactive Bladder With Symptoms of Frequency, Urgency, and Urge Urinary Incontinence
Interventions
Fesoterodine, fesoterodine plus fluconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 31, 2011 · Synced Jul 23, 2026, 6:11 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Pilot Study of Sodium Bicarbonate in Generally Healthy People With Low Bicarbonate

NCT02743650
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Sodium bicarbonate
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
50 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VAS-2 Vasectomy With the Vax-X

NCT00663533
View directory record Official record
Conditions
Healthy
Interventions
Vas-X
Device
Lead sponsor
University of Washington
Other
Eligibility
30 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1608, a Herpes Simplex Virus -2 (HSV-2) Therapeutic Candidate Vaccine, in Healthy Adults 18 to 55 Years of Age With Recurrent HSV-2 Genital Herpes

NCT06033261
View directory record Official record
Conditions
Genital Herpes
Interventions
mRNA-1608, BEXSERO
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
23
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 20 more
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate Pharmacokinetics of Prototype Modified-Release Formulations Of Apremilast in Healthy Men

NCT02236988
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 31, 2021 · Synced Jul 23, 2026, 6:11 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Study of a Single Intravenous (IV) Dose of MK-3402 in Participants With Impaired Renal Function and in Healthy Controls (MK-3402-004)

NCT04678505
View directory record Official record
Conditions
Renal Impairment
Interventions
MK-3402
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Orlando, Florida • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study of Omeprazole and PA21

NCT01452906
View directory record Official record
Conditions
Healthy
Interventions
PA21 and Omeprazole with food, No PA21; Omeprazole with food, PA21 with food, Omeprazole 2hrs later
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
20 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2011 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Men and Media Study

NCT04109443
View directory record Official record
Conditions
Sexual Behavior
Interventions
Young Men & Media Program, Available websites on safe sex and preventing STIs
Behavioral
Lead sponsor
Boston University
Other
Eligibility
14 Years to 17 Years · Male only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Open Label Trial of Nissle 1917

NCT02276508
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
E. coli Nissle 1917
Drug
Lead sponsor
Elizabeth Lucas
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 17, 2015 · Synced Jul 23, 2026, 6:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Adsorption, Metabolism and Excretion (AME) of Single Dose Radiolabeled SPD557 in Volunteers

NCT01786876
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Radiolabeled SPD557
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Jul 23, 2026, 6:11 AM EDT