Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 3:55 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 197 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pain, Opioid Use, Androgen Deficiency, Back Pain
Interventions
Testosterone Cypionate, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Burns
Interventions
Stable Isotope Infusion Study, Collection of blood and tissues, Radiology testing: Dual-energy X-ray absorptiometry (DEXA), ultrasound, MRI, Humatrope, Ketoconazole, Oxandrolone, Propranolol, Oxandrolone and propranolol combined, Humatrope and propranolol combined, Placebo, Exercise--Hospital supervised intensive exercise program, Home exercise program
Procedure · Drug · Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
Up to 80 Years
Enrollment
1,126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2019
U.S. locations
1
States / cities
Galveston, Texas
Conditions
Female Orgasmic Disorder
Interventions
Placebo, Low dose TBS-2, Medium dose TBS-2, High dose TBS-2
Drug
Lead sponsor
Acerus Pharmaceuticals Corporation
Industry
Eligibility
18 Years and older · Female only
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
43
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 37 more
Conditions
Hypogonadal Males
Interventions
ABT-SLV361, placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Fort Myers, Florida
Conditions
Low Testosterone
Interventions
TAK-448, TAK-448 Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
60 Years and older · Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Natesto Testosterone Nasal Gel for Hypogonadal Men

NCT05484167
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
Conditions
Metabolic Syndrome
Interventions
Zoladex, Testosterone gel, Anastrozole Pill, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 75 Years · Male only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Testosterone Replacement in Older Men and Atherosclerosis Progression

NCT00287586
Conditions
Hypogonadism, Atherosclerosis
Interventions
Testosterone Gel (Androgel), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Male only
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
3
States / cities
Phoenix, Arizona • Los Angeles, California • Boston, Massachusetts
Conditions
Hypogonadism, Late Onset Hypogonadism, Low Testosterone
Interventions
Dihydrotestosterone (0.7%) in hydroalcoholic gel
Drug
Lead sponsor
ASCEND Therapeutics
Industry
Eligibility
55 Years to 80 Years · Male only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
16
States / cities
Phoenix, Arizona • Torrance, California • Gainesville, Florida + 13 more
Conditions
Seizure Disorder, Hypogonadism, Erectile Dysfunction
Interventions
Anastrozole 1mg, Placebo Oral Tablet
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Secondary Hypogonadism
Interventions
Androxal, AndroGel, Placebo
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 68 Years · Male only
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
18
States / cities
Birmingham, Alabama • Huntsville, Alabama • Carmichael, California + 14 more
Conditions
Hypogonadism
Interventions
testosterone, placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Williamsville, New York
Withdrawn Phase 2Phase 3 Interventional

Androxal in Male Infertility

NCT02160704
Conditions
Infertility
Interventions
Enclomiphene citrate, Placebo
Drug · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 35 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of an Oral Intervention for Sexual Health in Transgender Men

NCT06470906
Conditions
Vaginal Dysbiosis, Vaginal Disease, Molecular-bacterial Vaginosis
Interventions
Probiotic Group, Placebo Group
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Nonalcoholic Steatohepatitis (NASH)
Interventions
LPCN 1144 Formulation A, LPCN 1144 Formulation B, Placebo
Drug
Lead sponsor
Lipocine Inc.
Industry
Eligibility
18 Years to 80 Years · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
19
States / cities
El Cajon, California • Murrieta, California • Rialto, California + 14 more
Conditions
Physical Frailty, Hip Fracture, Elective Hip Replacement, Hypogonadism
Interventions
Transdermal Testosterone gel (1%), Supervised exercise training
Drug · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
65 Years and older · Male only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
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
Conditions
HIV Infections
Interventions
Testosterone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
26
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 16 more
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Placebo, Testosterone, Buspirone hydrochloride
Drug
Lead sponsor
Emotional Brain NY Inc.
Industry
Eligibility
21 Years to 70 Years · Female only
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
12
States / cities
San Diego, California • Bradenton, Florida • North Miami, Florida + 9 more
Conditions
Klinefelter Syndrome
Interventions
Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution, Placebo injectable saline
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Days to 90 Days · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Hypoactive Sexual Desire Disorder
Interventions
testosterone gel, placebo gel
Drug
Lead sponsor
BioSante Pharmaceuticals
Industry
Eligibility
30 Years to 65 Years · Female only
Enrollment
575 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
66
States / cities
Mobile, Alabama • Chandler, Arizona • Glendale, Arizona + 60 more
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
Conditions
Polycystic Ovary Syndrome
Interventions
Flutamide, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Long QT Syndrome
Interventions
Testosterone, Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana