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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Clomiphene citrate Clear all
Completed Phase 3 Interventional Results available

Safety Study of Enclomiphene Citrate in the Treatment of Men With Secondary Hypogonadism

NCT01534208
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
499 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
31
States / cities
Glendale, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Sep 28, 2026, 7:50 PM EDT
Completed No phase listed Observational

A Follow-up Study of Women Evaluated and Treated for Infertility

NCT00342446
View directory record Official record
Conditions
Ovarian Cancer, Breast Cancer, Endometrial Cancer, Thyroid Cancer, Colorectal Cancer, Melanoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
44 Years to 88 Years · Female only
Enrollment
12,193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Sep 28, 2026, 7:50 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Hypogonadotropic Hypogonadism in Obese Young Males

NCT03245827
View directory record Official record
Conditions
Hypogonadism, Hypogonadotropic
Interventions
Clomiphene, Placebo
Drug
Lead sponsor
Sandeep Singh Dhindsa, M.D., F.A.C.E
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 3 Interventional

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

NCT00962637
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2010 · Synced Sep 28, 2026, 7:50 PM EDT
Terminated Not applicable Interventional Results available

Efficacy Study of Raloxifene to Induce Ovulation in Polycystic Ovarian Syndrome

NCT01607320
View directory record Official record
Conditions
Polycystic Ovarian Syndrome
Interventions
Raloxifene, Clomiphene
Drug
Lead sponsor
Bruce Lessey
Other
Eligibility
18 Years to 36 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Sep 28, 2026, 7:50 PM 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 28, 2026, 7:50 PM EDT
Not listed Not applicable Interventional

The LUTEAL Trial: Luteal Stimulation vs. Estrogen Priming Protocol

NCT04447872
View directory record Official record
Conditions
Infertility, Diminished Ovarian Reserve, IVF
Interventions
Timing of injectable gonadotropins
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open-Label, Single-Dose Study to Assess the Absorption, Metabolism, Excretion, and Mass Balance of Radiolabeled Androxal in Healthy Male Subjects After Oral Administration

NCT02274181
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
19 Years to 60 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 11, 2015 · Synced Sep 28, 2026, 7:50 PM 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 Sep 28, 2026, 7:50 PM EDT
Completed Not applicable Interventional Results available

Study Evaluating the Timing of Intrauterine Insemination in Relation to Positive Home Ovulation Prediction Kit

NCT02294773
View directory record Official record
Conditions
Infertility
Interventions
Intrauterine Insemination, Clomiphene, Letrozole
Procedure · Drug
Lead sponsor
Midwest Fertility Specialists
Industry
Eligibility
21 Years to 39 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Fort Wayne, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Sep 28, 2026, 7:50 PM 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 Sep 28, 2026, 7:50 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

A Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of Three Dosage Strengths of Pulsatile GnRH

NCT00296465
View directory record Official record
Conditions
InFertility
Interventions
Pulsatile gonadotropin-releasing hormone (GnRH), Clomiphene Citrate, Placebo Pulsatile GnRH, Placebo Clomiphene Citrate
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Metairie, Louisiana
Source: ClinicalTrials.gov public record
Updated May 18, 2011 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 3 Interventional Results available

Assessment of Multiple Intrauterine Gestations From Ovarian Stimulation

NCT01044862
View directory record Official record
Conditions
Pregnancy, Unexplained Infertility
Interventions
Letrozole (aromatase inhibitor), Clomiphene Citrate, Follicle Stimulating Hormone (gonadotropin)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
14
States / cities
Birmingham, Alabama • San Francisco, California • Stanford, California + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2015 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 3 Interventional

Treatment of Infertility in Women With Polycystic Ovary Syndrome

NCT00068861
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility, Pregnancy
Interventions
metformin XR, clomiphene citrate
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
11
States / cities
Birmingham, Alabama • La Jolla, California • Stanford, California + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2007 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Pharmacokinetic and Safety Profile of Androxal in Male Subjects With Impaired Renal Function

NCT01923857
View directory record Official record
Conditions
Secondary Hypogonadism
Interventions
Androxal 25 mg
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 80 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Miami, Florida • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 4 Interventional Results available

Combined Letrozole and Clomid in Women With Infertility and PCOS

NCT02802865
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility
Interventions
Clomiphene, Letrozole
Drug
Lead sponsor
Rachel Mejia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 3 Interventional Results available

Pregnancy in Polycystic Ovary Syndrome II

NCT00719186
View directory record Official record
Conditions
Pregnancy, Polycystic Ovary Syndrome
Interventions
Clomiphene citrate, Letrozole
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
12
States / cities
Birmingham, Alabama • Stanford, California • Aurora, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 28, 2026, 7:50 PM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Pharmacokinetic Evaluation of Serum Testosterone Concentrations After Administration of Clomiphene Citrate

NCT05096169
View directory record Official record
Conditions
Testosterone Deficiency
Interventions
Clomiphene Citrate 25mg, Clomiphene Citrate 50mg
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 45 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2024 · Synced Sep 28, 2026, 7:50 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Androxal in Male Infertility

NCT02160704
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open-Label Study to Evaluate the Effect of Age Upon the Pharmacokinetics of Androxal

NCT02169804
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Androxal 25 mg
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Efficacy of Androxal in Controlling Blood Glucose in Men With Type-2 Diabetes Mellitus

NCT01191320
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Secondary Hypogonadism
Interventions
Placebo, Androxal
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
20 Years to 80 Years · Male only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
18
States / cities
Garden Grove, California • Sacramento, California • Torrance, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Sep 28, 2026, 7:50 PM EDT
Active, not recruiting Phase 4 Interventional Results available

Randomized Controlled Trial of Combined Letrozole and Clomid (CLC II) Versus Letrozole Alone for Women With Anovulation

NCT05206448
View directory record Official record
Conditions
Polycystic Ovary Syndrome, PCOS, Infertility
Interventions
Letrozole, Clomiphene Citrate
Drug
Lead sponsor
Rachel Mejia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Davenport, Iowa • Iowa City, Iowa • West Des Moines, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

The Effect of Metformin Added to Clomiphene Citrate on Pregnancy Rates in Hyperandrogenic, Chronic Oligoovulatory or Anovulatory Women

NCT00413179
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Anovulation, Oligoovulation, Infertility, Hyperandrogenism
Interventions
Metformin, Clomiphene citrate, Placebo
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2003
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2006 · Synced Sep 28, 2026, 7:50 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH) Response to Low Dose Clomiphene Citrate in Normally Menstruating Fertile Women

NCT01340521
View directory record Official record
Conditions
Infertility
Interventions
Clomiphene Citrate
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 1994
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Sep 28, 2026, 7:50 PM EDT