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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Male Hypogonadism Clear all
Completed Phase 4 Interventional Results available

Effect of Androgel on Type 2 Diabetic Males With Hypogonadism

NCT00350701
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
androgel, androgel 10g, placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
35 Years to 75 Years · Male only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Terminated No phase listed Observational

Prevalence of Secondary Hypogonadism in Male Patients on Chronic Opioid Therapy for Cancer-Related Pain Syndromes

NCT00529230
View directory record Official record
Conditions
Advanced Cancer, Hypogonadism, Pain
Interventions
Questionnaire, Blood draws to assess gonadal function
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Jul 23, 2026, 11:16 AM EDT
Terminated Phase 2 Interventional Results available

Testosterone Plus Finasteride Treatment After Spinal Cord Injury

NCT02248701
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Trauma, Nervous System, Wounds and Injuries, Central Nervous System Diseases, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
Testosterone Enanthate, Finasteride, Placebo injection, Placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Gainesville, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

5-Alpha Reductase and Anabolic Effects of Testosterone

NCT00475501
View directory record Official record
Conditions
Male Hypogonadism, Muscle Atrophy, Sarcopenia, Benign Prostate Hypertrophy
Interventions
Testosterone Enanthate, Finasteride, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effect of Intranasal Insulin on LH Concentrations in Man

NCT02154477
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism
Interventions
intranasal insulin, placebo (intranasal saline)
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Odessa, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 2 Interventional Results available

Clomiphene Citrate for the Treatment of Low Testosterone Associated With Chronic Opioid Pain Medication Administration

NCT01880086
View directory record Official record
Conditions
Hypogonadism, Opioid-Related Disorders, Male Infertility
Interventions
Clomiphene citrate, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 3 Interventional

Prevention of Osteoporosis in Men With Prostate Cancer

NCT00048841
View directory record Official record
Conditions
Prostate Cancer, Osteoporosis, Hypogonadism
Interventions
alendronate
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
50 Years to 85 Years · Male only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating the Regulation of Reproductive Hormones in Adult Men

NCT00392457
View directory record Official record
Conditions
Kallmann Syndrome, Hypogonadism, Gonadal Disorder
Interventions
ketoconazole, gonadotropin releasing hormone (GnRH)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 50 Years · Male only
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 4 Interventional

Natesto Spermatogenesis Reboot

NCT05381831
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
NatestoTM
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 64 Years · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 4 Interventional

Xiaflex® Plus Testosterone Treatment Pilot Study Protocol

NCT03815331
View directory record Official record
Conditions
Peyronie's Disease (PD)
Interventions
Xiaflex®, Aveed
Drug
Lead sponsor
Men's Health Boston
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 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 Jul 23, 2026, 11:16 AM EDT
Completed Not applicable Interventional

Effect of Testosterone Therapy in Men With Alzheimer's Disease and Low Testosterone

NCT00392912
View directory record Official record
Conditions
Alzheimer's Disease, Hypogonadism
Interventions
AndroGel (Solvay Pharmaceuticals)
Drug
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
55 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2010 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting Phase 4 Interventional

Tirzepatide in PWS, HO and GNSO

NCT06901245
View directory record Official record
Conditions
Prader-Willi Syndrome, Hypothalamic Obesity, Obesity/Therapy
Interventions
Tirzepatide
Drug
Lead sponsor
Grace Kim
Other
Eligibility
18 Years to 26 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Saint Paul, Minnesota • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Jul 23, 2026, 11:16 AM EDT
Terminated No phase listed Observational

Fertility Assessment in Patients With Klinefelter Syndrome

NCT02461303
View directory record Official record
Conditions
Klinefelter Syndrome
Interventions
Counseling
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 25 Years · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

ORAL T-8 Oral Testosterone for Male Hormonal Contraception

NCT01167829
View directory record Official record
Conditions
Healthy
Interventions
Oral Testosterone, Acyline
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Jul 23, 2026, 11:16 AM EDT
Recruiting No phase listed Observational

The eXtroardinarY Babies Study: Natural History of Health and Neurodevelopment in Infants and Young Children With Sex Chromosome Trisomy

NCT03396562
View directory record Official record
Conditions
Klinefelter Syndrome, Trisomy X, XYY Syndrome, XXXY and XXXXY Syndrome, Xxyy Syndrome, Xyyy Syndrome, Xxxx Syndrome, Xxxxx Syndrome, Xxxyy Syndrome, Xxyyy Syndrome, Xyyyy Syndrome, Male With Sex Chromosome Mosaicism
Interventions
Assessments of Development and Growth
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Weeks to 13 Months
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 3 Interventional

Prevention of Osteoporosis in Men With Prostate Cancer on Androgen Deprivation Therapy (POP Study)

NCT00177619
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Alendronate
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Jul 23, 2026, 11:16 AM EDT
Completed No phase listed Observational

Cardiometabolic Profiles of Boys With Klinefelter Syndrome

NCT02723305
View directory record Official record
Conditions
Klinefelter Syndrome, 47,XXY, Sex Chromosome Aneuploidy, XXY Syndrome
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 17 Years · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 3 Interventional Results available

Energy Balance & Weight Loss in Craniopharyngioma-related or Other Hypothalamic Tumors in Hypothalamic Obesity

NCT02664441
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
Exenatide, placebo
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
10 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Minneapolis, Minnesota • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 4 Interventional Results available

A Study of the Effect of Topical Testosterone Replacement Therapy on Blood Pressure in Adult Male Participants With Hypogonadism

NCT04274894
View directory record Official record
Conditions
Hypogonadism
Interventions
AndroGel 1.62%
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years and older · Male only
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
45
States / cities
Foley, Alabama • Newport Beach, California • Northridge, California + 40 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Jul 23, 2026, 11:16 AM EDT
Not listed No phase listed Observational

Relationship of the Microenvironment and Male Fertility

NCT04704141
View directory record Official record
Conditions
Male Infertility, Male Hypogonadism
Interventions
Hormone replacement therapy
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Jul 23, 2026, 11:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of Hypogonadism in Male Cancer Patients

NCT00472940
View directory record Official record
Conditions
Cancer, Hypogonadism
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced Jul 23, 2026, 11:16 AM EDT
Completed Phase 1 Interventional

Examination of Idiopathic Hypogonadotropic Hypogonadism (IHH)and Kallmann Syndrome (KS)

NCT00392756
View directory record Official record
Conditions
Kallmann Syndrome, Hypogonadotropic Hypogonadism, GnRH Deficiency
Interventions
gonadotropin releasing hormone (GnRH)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Jul 23, 2026, 11:16 AM EDT