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 Jul 23, 2026, 10:15 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Hypogonadism, Hypogonadotropic Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Elucidating Kisspeptin Physiology by Blocking Kisspeptin Signaling

NCT01438073
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Healthy Postmenopausal Women, Agonadism
Interventions
kisspeptin 112-121, GnRH
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetic Study to Determine Time to Steady-state

NCT00911586
View directory record Official record
Conditions
Male Hypogonadism, Primary Hypogonadism, Secondary Hypogonadism
Interventions
Testosterone undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

To Evaluate Sperm Parameters in Men With Secondary Hypogonadism Previously Treated With Topical Testosterone

NCT00706719
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
25 mg Androxal, Testim 1%
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
21 Years to 60 Years · Male only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
New York, New York • Purchase, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2015 · Synced Jul 23, 2026, 10:15 AM EDT
Completed No phase listed Observational

The Molecular Basis of Inherited Reproductive Disorders

NCT05971836
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Reproductive Disorder, Kallmann Syndrome, Delayed Puberty
Interventions
Not listed
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
1 Year and older
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 23, 2026, 10:15 AM EDT
Recruiting No phase listed Observational

Assessment of Endometrial Thickness Among Adolescent and Young Adult Patients on Estrogen Replacement Therapy Using Daily Oral Micronized Progesterone Versus the Etonogestrel Implant.

NCT06357442
View directory record Official record
Conditions
Primary Ovarian Insufficiency, Hypogonadotropic Hypogonadism, Hormone Replacement Therapy
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 25 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 4 Interventional Results available

Testosterone Replacement in Men With Diabetes and Obesity

NCT01127659
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Jul 23, 2026, 10:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Androgel on Atherogenesis in Type 2 Diabetic Males With Hypogonadotrophic Hypogonadism

NCT00467987
View directory record Official record
Conditions
Type 2 Diabetic Male With Hypogonadotrophic Hypogonadism
Interventions
androgel, placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
31 Years to 60 Years · Male only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of BGS649 in Male Obese Subjects With Hypogonadotropic Hypogonadism

NCT02730169
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism
Interventions
BGS649, Placebo
Drug
Lead sponsor
Mereo BioPharma
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
48
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Jul 23, 2026, 10:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects on the Brain of Lupron Induced Hypogonadotropic Hypogonadism With and Without Testosterone Replacement

NCT00001412
View directory record Official record
Conditions
Hypogonadism
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Male only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 3 Interventional Results available

LutrePulse Hypogonadotropic Hypogonadism

NCT01976728
View directory record Official record
Conditions
Primary Amenorrhea With Hypogonadotropic Hypogonadism
Interventions
Gonadorelin acetate subcutaneous (SC) 10 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 15 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 20 μg/pulse as a fixed dose, administered via. OmniPod pump, Placebo (SC 10, 15, or 20 μg/pulse as a fixed dose, administered via. OmniPod pump)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
33
States / cities
Tempe, Arizona • San Francisco, California • Aurora, Colorado + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2021 · Synced Jul 23, 2026, 10:15 AM EDT
Recruiting Phase 2 Interventional

Kisspeptin Administration Subcutaneously to Patients With Hypothalamic Amenorrhea

NCT07224438
View directory record Official record
Conditions
Hypothalamic Amenorrhea, Hypogonadotropic Hypogonadism
Interventions
kisspeptin 112-121
Drug
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Study to Determine the Effect of Food on the Absorption of an Oral Testosterone Undecanoate Formulation

NCT00924612
View directory record Official record
Conditions
Male Hypogonadism
Interventions
Oral testosterone undecanoate (containing 300 mg T)
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Jul 23, 2026, 10:15 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 Jul 23, 2026, 10:15 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Reprometabolic Syndrome Mediates Subfertility in Obesity

NCT02653092
View directory record Official record
Conditions
Obesity, Infertility, Hypogonadotropic Hypogonadotropism, Hyperinsulinemia
Interventions
Insulin, Intralipid, Dextrose, Heparin, GnRH, Hyperinsulinemic Euglycemic Clamp
Drug · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional

Observation Study of T-Gel (1%) in Treatment of Adolescent Boys With Hypogonadism

NCT00193661
View directory record Official record
Conditions
Primary or Secondary Hypogonadism, Constitutional Delay in Growth and Puberty (CDGP)
Interventions
Testosterone Gel (1%)
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
13 Years to 17 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

The Effect on Androxal Versus Androgel on Morning Testosterone in Men With Secondary Hypogonadism (Low Testosterone)

NCT01386606
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal (enclomiphene citrate), Testosterone
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Jul 23, 2026, 10:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hormonal Causes of Menstrual-Related Mood Disorders

NCT00100360
View directory record Official record
Conditions
Mood Disorders, Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jul 23, 2026, 10:15 AM EDT
Completed No phase listed Observational

Hormonal Regulation of Puberty and Fertility

NCT01511588
View directory record Official record
Conditions
Endocrine Disease, Infertility, Hypogonadism, Amenorrhea, Adolescents
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
14 Years to 100 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 4 Interventional

Aromatase Inhibitors and Weight Loss in Severely Obese Men With Hypogonadism

NCT03490513
View directory record Official record
Conditions
Hypogonadism, Hypogonadotropic, Obesity
Interventions
anastrozole (1 mg/day), Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 1 Interventional

Kisspeptin in the Evaluation of Delayed Puberty

NCT01438034
View directory record Official record
Conditions
Delayed Puberty, Kallmann Syndrome, Hypogonadotropic Hypogonadism, GnRH Deficiency
Interventions
kisspeptin 112-121, GnRH
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 17 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2023 · Synced Jul 23, 2026, 10:15 AM EDT
Not listed Not applicable Interventional

Baselines in Reproductive Disorders

NCT00456274
View directory record Official record
Conditions
Amenorrhea, Hypogonadotropic Hypogonadism, Kallmann's Syndrome
Interventions
Frequent baseline blood sampling
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2014 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

A 6 Month Safety Extension Study of MBGS205

NCT02908074
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism
Interventions
BGS649
Drug
Lead sponsor
Mereo BioPharma
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
37
States / cities
Mobile, Alabama • Chandler, Arizona • Phoenix, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Jul 23, 2026, 10:15 AM EDT
Completed No phase listed Observational

Investigation of the Genetic Causes of Kallmann Syndrome and Reproductive Disorders

NCT00494169
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome, Puberty, Delayed, Puberty, Precocious, GnRH Deficiency
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
4,042 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Jul 23, 2026, 10:15 AM EDT
Completed Phase 3 Interventional

Bioequivalence Study of Test and Reference Testosterone Topical Gel, 1.62% Metered Pump in Testosterone Deficient Adult Male Subjects Under Fasting Conditions

NCT02110368
View directory record Official record
Conditions
Primary Hypogonadism, Hypogonadotropic Hypogonadism
Interventions
Testosterone Topical Gel, 1.62% Metered Pump, AndroGel (testosterone gel) 1.62% Metered-Dose Pump
Drug
Lead sponsor
Amneal Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Miami Gardens, Florida
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Jul 23, 2026, 10:15 AM EDT