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 Jun 11, 2026, 5:15 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: Secondary Hypogonadism Clear all
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 Jun 11, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional Results available

Follicle Stimulating Hormone (FSH) to Improve Testicular Development in Men With Hypogonadism

NCT00064987
View directory record Official record
Conditions
Hypogonadism, Kallmann Syndrome
Interventions
Testicular biopsy, gonadotropin releasing hormone (GnRH), follicle stimulating hormone (FSH)
Procedure · Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Male only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Pharmacokinetics and Safety of Androxal in Male Subjects With Impaired Hepatic Function

NCT01923870
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal 25 mg
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2014 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Terminated Phase 2 Interventional Results available

Hypogonadism in Young Men With Type 2 Diabetes

NCT01155518
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Type 2 Diabetes
Interventions
testosterone, clomiphene, placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Jun 11, 2026, 5:15 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 Dec 30, 2025 · Synced Jun 11, 2026, 5:15 AM EDT
Completed Phase 3 Interventional

Study to Evaluate the Safety and Efficacy of Androxal Treatment in Men With Secondary Hypogonadism

NCT01067365
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 68 Years · Male only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
18
States / cities
Birmingham, Alabama • Huntsville, Alabama • Carmichael, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2014 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Results available

Opioid Antagonism in Hypogonadotropic Hypogonadism

NCT04975334
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Low Testosterone
Interventions
Naloxone
Drug
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Completed Phase 2 Interventional Results available

Normalization of Morning Testosterone Levels in Men With Secondary Hypogonadism

NCT01270841
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Placebo, topical testosterone, Androxal
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
21 Years to 65 Years · Male only
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
18
States / cities
Garden Grove, California • Sacramento, California • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Jun 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Studying the Effects of 7 Days of Gonadotropin Releasing Hormone (GnRH) Treatment in Men With Hypogonadism

NCT00493961
View directory record Official record
Conditions
Kallmann Syndrome, Idiopathic Hypogonadotropic Hypogonadism, GnRH Deficiency
Interventions
gonadotropin releasing hormone (GnRH)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Terminated Phase 1 Interventional

Effect of Varying Testosterone Levels on Insulin Sensitivity in Men With Idiopathic Hypogonadotropic Hypogonadism (IHH)

NCT03118479
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome
Interventions
Anastrozole Pill, Testosterone, Placebo Oral Tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Kisspeptin Administration in the Adult

NCT00914823
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome, GnRH Deficiency, PCOS, Polycystic Ovarian Syndrome, Hyperprolactinemia
Interventions
kisspeptin 112-121, GnRH
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Active, not recruiting 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
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jun 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Kisspeptin Administration Subcutaneously to Patients With Reproductive Disorders

NCT05633966
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
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jun 11, 2026, 5:15 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 Jun 11, 2026, 5:15 AM EDT
Recruiting Phase 3 Interventional

52 Week Study + 24-Month Long-Term Extension of Safety, PK, & Efficacy of XYOSTED® for Testosterone Replacement in Male Adolescents With Hypogonadism

NCT06689085
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Testosterone enanthate
Combination Product
Lead sponsor
Halozyme Therapeutics
Industry
Eligibility
12 Years to 17 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
20
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jun 11, 2026, 5:15 AM EDT