Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 1:47 AM EDT

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

Showing 1–24 of 395 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Testosterone Clear all
Completed Not applicable Interventional Accepts healthy volunteers

TDSM- Testosterone Dose Response in Surgically Menopausal Women

NCT00494208
View directory record Official record
Conditions
Hysterectomy, Ovariectomy, Menopause, Testosterone Deficiency
Interventions
Testosterone
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
21 Years to 60 Years · Female only
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 3 Interventional

A Randomized, Double Blind, Placebo-Controlled, Multi-Center Phase III Study in Men With Acquired Hypogonadotropic Hypogonadism to Compare Changes in Testosterone and Sperm Concentration Following Treatment With 12.5 mg or 25 mg Androxal or AndroGel 1.62%

NCT01993225
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal 12.5 mg/25 mg, Placebo Capsules, AndroGel 1.62%, Placebo Gel
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
9
States / cities
Birmingham, Alabama • Mobile, Alabama • Evanston, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Varying Testosterone Levels on Insulin Sensitivity in Normal and IHH Men

NCT00470990
View directory record Official record
Conditions
Hypogonadism
Interventions
GnRH antagonist (Acyline)
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 75 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2011 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2 Study to Evaluate Safety and Efficacy of Abiraterone Acetate in Male Participants With Prostate Cancer

NCT00924469
View directory record Official record
Conditions
Prostate Cancer
Interventions
Abiraterone, Leuprolide, Prednisone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
4
States / cities
Boston, Massachusetts • Houston, Texas • Seattle, Washington + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Sep 9, 2026, 1:47 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hormonal Mechanisms of Sleep Restriction - Axis Study in Older Men and Postmenopausal Women

NCT04037605
View directory record Official record
Conditions
Sleep Restriction
Interventions
Ketoconazole Pill (also known as nizoral), Ganirelix, Dexamethasone Pill, Dexamethasone injection, Cosyntropin Injectable Product, Recombinant Human Luteinizing Hormone (also known as luveris), Hydrocortisone Injection (also known as solu-cortef), Gonadorelin (also known as Lutrepulse), Corticorelin (also known as Acthrel), Placebo oral tablet, Saline Solution, Saline solution for injection
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
60 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Markers of Male Fertility

NCT07740161
View directory record Official record
Conditions
Male Infertility, Low Sperm Quality, Low Testosterone, Low Energy, Low Libido
Interventions
WeNatal For Him Supplement
Dietary Supplement
Lead sponsor
WeNatal
Industry
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional Results available

A Clinical Study to Evaluate the Pharmacokinetics of Testosterone Gel Using an Applicator

NCT01464879
View directory record Official record
Conditions
Hypogonadal Males
Interventions
Testosterone Gel (FE 999303)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Garden City, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional Results available

Pilot Pharmacokinetic Study of Oral Testosterone Ester Formulations in Hypogonadal Men

NCT02697188
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone undecanoate, Testosterone enanthate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Los Angeles, California • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate Androderm®'s Effect on Blood Pressure in Adult Hypogonodal Male Participants

NCT04320745
View directory record Official record
Conditions
Hypogonadism
Interventions
Androderm®
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 80 Years · Male only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
41
States / cities
Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

A One Year Open Label Study for the Treatment of Hypogonadism (Low Testosterone) in Men Who Have Completed ZA-203

NCT01386567
View directory record Official record
Conditions
Hypogonadism, Low Testosterone
Interventions
Androxal (enclomiphene citrate), Testim (topical testosterone)
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
21 Years to 65 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
8
States / cities
Garden Grove, California • Sacramento, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated May 16, 2013 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

Testosterone Therapy and Bone Quality in Men With Diabetes and Hypogonadism

NCT03887936
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Hypogonadism
Interventions
Testosterone gel 1.62%, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 70 Years · Male only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 4 Interventional

Effect of Testosterone Replacement on Insulin Resistance

NCT00487734
View directory record Official record
Conditions
Metabolic Syndrome, Hypogonadism
Interventions
Testosterone gel, Placebo for testosterone gel
Radiation · Drug
Lead sponsor
McGuire Research Institute
Other
Eligibility
20 Years to 65 Years · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2012 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

Clomid in Men With Low Testosterone With and Without Prior Treatment

NCT01904734
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Clomiphene
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
30 Years to 70 Years · Male only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT01327495
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Sep 9, 2026, 1:47 AM EDT
Terminated Phase 3 Interventional

Open-Label Study of ARD-0403 in Testosterone Deficient Men

NCT00562731
View directory record Official record
Conditions
Hypogonadism
Interventions
ARD-0403
Drug
Lead sponsor
Ardana Bioscience Ltd
Industry
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
12
States / cities
Huntsville, Alabama • Stanford, California • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2008 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 3 Interventional Results available

Hormone and Information Processing Study

NCT00539305
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
60 Years to 90 Years · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Sep 9, 2026, 1:47 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Natesto Testosterone Nasal Gel for Hypogonadal Men

NCT05484167
View directory record Official record
Conditions
Erectile Dysfunction, Sexual Dysfunction
Interventions
Natesto Nasal Product, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 64 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

A Preliminary Clinical Study to Evaluate Fispemifene in the Treatment of Hypogonadism

NCT00290134
View directory record Official record
Conditions
Hypogonadism
Interventions
Fispemifene once daily for 4 weeks
Drug
Lead sponsor
QuatRx Pharmaceuticals Company
Industry
Eligibility
40 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
16
States / cities
Huntsville, Alabama • Modesto, California • Aurora, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2008 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

Testosterone and Physical Function in HIV+ Men

NCT00260143
View directory record Official record
Conditions
HIV Associate Weight Loss
Interventions
Testosterone enanthate, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 60 Years · Male only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

AndroGel in Men With Major Depression and Incomplete Response to Antidepressant Treatment

NCT00304746
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Testosterone gel, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 23, 2010 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

Patient Satisfaction After Switching to Oral Testosterone Undecanoate

NCT04983940
View directory record Official record
Conditions
Testosterone Deficiency
Interventions
Jatenzo
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 9, 2026, 1:47 AM 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 9, 2026, 1:47 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Comparing Subcutaneous Testosterone to Intramuscular Testosterone in Gender Affirming Care of Transgender Male Adolescents

NCT03864913
View directory record Official record
Conditions
Health Services for Transgender Persons, Transgender Persons
Interventions
Testosterone injection, PedsQL questionnarie, Masculinizing effects questionnaire, Medication experience questionnaire
Drug · Behavioral · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 9, 2026, 1:47 AM EDT
Completed Phase 3 Interventional Results available

Phase III Study to Evaluate Morning Testosterone Normalization in Overweight Men With Secondary Hypogonadism

NCT01739595
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
enclomiphene citrate, Placebo
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
13
States / cities
Mobile, Alabama • Little Rock, Arkansas • Rancho Cucamonga, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 9, 2026, 1:47 AM EDT