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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:26 PM EDT

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Showing 1–24 of 99 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Endometrin Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex Steroids, Sleep, and Metabolic Dysfunction in Women

NCT00805207
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS), Obstructive Sleep Apnea, Obesity
Interventions
Progesterone, testosterone, glucocorticoid, continuous positive airway pressure, Estrogen, Control
Drug · Device · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 20, 2026, 2:26 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Effect of Luteal Progesterone Support on Pregnancy Rates With Combined Clomid/ Gonadotropin & IUI

NCT02510534
View directory record Official record
Conditions
Pregnancy
Interventions
Menopur 150 international units, Endometrin 100 mg
Drug
Lead sponsor
Northwest Center for Infertility and Reproductive Endocrinology
Other
Eligibility
18 Years to 37 Years · Female only
Enrollment
520 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Margate, Florida
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Comparison of Crinone 8% Intravaginal Gel and IM Progesterone Supplementation for In Vitro Fertilization (IVF)

NCT00656201
View directory record Official record
Conditions
Infertility
Interventions
Crinone 8% Vaginal Gel, Intramuscular Progesterone
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 39 Years · Female only
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 22, 2011 · Synced Oct 20, 2026, 2:26 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Progesterone in Pregnancy-2

NCT04753957
View directory record Official record
Conditions
Pregnancy Related
Interventions
micronized Progesterone
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Determining How Quickly Progesterone Slows LH Pulse Frequency

NCT00594217
View directory record Official record
Conditions
Normal, PCOS
Interventions
oral micronized progesterone suspension, Placebo
Drug · Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 20, 2026, 2:26 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on IV Nicotine Induced Changes on BOLD fMRI Signal, Hormones and Subjective Ratings of Stimulant Drugs

NCT01589068
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine, Progesterone
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 20, 2026, 2:26 PM EDT
Active, not recruiting Phase 3 Interventional

Estrogen Administration for the Treatment of NASH in Postmenopausal Women

NCT04833140
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
Estradiol patch, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Unique Effects of Perimenstrual Estradiol or Progesterone Supplementation on Perimenstrual Suicidality

NCT03498313
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Transdermal Estradiol + Placebo, Oral Micronized Progesterone + Placebo, Placebos
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Menopur® Versus Follistim® in Polycystic Ovarian Syndrome (PCOS)

NCT00805935
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Infertility
Interventions
Menotropin, Progesterone vaginal insert, Follitropin beta, Progesterone in oil, leuprolide acetate
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
6
States / cities
Littleton, Colorado • Clearwater, Florida • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2012 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

MENOPUR® Versus FOLLISTIM®

NCT00802360
View directory record Official record
Conditions
Infertility
Interventions
Menotropin, Progestrone vaginal insert, follitropin beta, Progesterone in oil, Ganirelix
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
7
States / cities
Pasadena, California • San Diego, California • Littleton, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2011 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Oral Estradiol and Progesterone Therapy on Vaginal Cytokines in Postmenopausal Women

NCT02224313
View directory record Official record
Conditions
Menopause
Interventions
oral estradiol 1.0 mg, oral progesterone 100 mg
Drug
Lead sponsor
Intira Sriprasert
Other
Eligibility
20 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Fat Mediated Modulation of Reproductive and Endocrine Function in Young Athletes

NCT00946192
View directory record Official record
Conditions
Exercise-related Amenorrhea
Interventions
Transdermal 17Beta-estradiol, progesterone, Ethinyl Estradiol + Desogestrel, Sham Comparator
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy of PROMETRIUM® Capsules in Induction of Secretory Conversion

NCT00160199
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
PROMETRIUM® 300 mg, PROMETRIUM® 400 mg
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
42
States / cities
Mobile, Alabama • Montgomery, Alabama • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2010 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Effect of Perimenstrual Ovarian Steroid Supplementation on Perimenstrual Suicidality

NCT03720847
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Estradiol Transdermal Patch 0.1 mg/24 hrs, Oral Micronized Progesterone, Inactive Clear Patch, Placebo capsule
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 20, 2026, 2:26 PM EDT
Active, not recruiting Phase 2 Interventional

The Role of Estrogen in the Neurobiology of Eating Disorders

NCT03740204
View directory record Official record
Conditions
Eating Disorders, Hypoestrogenemia
Interventions
17-β estradiol transdermal patches with cyclic progesterone, Placebo patch and pill
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Cyclical Neuroactive Steroid Changes, Arousal, and Proximal Suicide Risk: An Experimental Approach

NCT04112368
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Estradiol Transdermal Patch 0.1 mg/24 hrs, Oral Micronized Progesterone 200mg, Inactive Clear Patch, Placebo capsule
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Vaginal Progesterone Versus Progesterone in Oil in Donor Egg Recipient In Vitro Fertilization Cycles Utilizing Vitrified Donor Eggs

NCT01465373
View directory record Official record
Conditions
Infertility
Interventions
Endometrin, Progesterone in Oil
Drug
Lead sponsor
Fertility Centers of Illinois
Other
Eligibility
21 Years to 49 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 4, 2011 · Synced Oct 20, 2026, 2:26 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on IV Nicotine-Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effect

NCT01589081
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine, Progesterone
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Results available

Neurobiology of Bulimia Nervosa

NCT04225221
View directory record Official record
Conditions
Bulimia Nervosa
Interventions
Estradiol, Micronized progesterone, Leuprolide Acetate, Placebo Oral Capsule
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Smoking, Sex Hormones, and Pregnancy

NCT01811225
View directory record Official record
Conditions
Nicotine Dependence, Contraception
Interventions
Low-dose Progesterone, High-dose Progesterone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

PREGNANT Short Cervix Trial

NCT00615550
View directory record Official record
Conditions
Preterm Delivery, Short Cervix, Short Uterine Cervical Length
Interventions
progesterone, placebo
Drug
Lead sponsor
Juniper Pharmaceuticals, Inc.
Industry
Eligibility
15 Years to 45 Years · Female only
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Orange, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Oct 20, 2026, 2:26 PM EDT
Recruiting Phase 2 Interventional

Role of Estrogen on Skeletal Outcomes in FHA

NCT07010146
View directory record Official record
Conditions
Bone Strength, Bone Density, FHA (Functional Hypothalamic Amenorrhea)
Interventions
transdermal 17β-E2 with cyclic progestin, oral 17β-E2 with cyclic progestin, transdermal EE+LNG
Drug
Lead sponsor
University of Virginia
Other
Eligibility
14 Years to 30 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 20, 2026, 2:26 PM EDT
Not listed Not applicable Interventional

Assessment of the Sensitivity of the Hypothalamic GnRH Pulse Generator to Estradiol and Progesterone Inhibition

NCT01425541
View directory record Official record
Conditions
Hyperandrogenemia, Polycystic Ovary Syndrome (PCOS)
Interventions
estrace, Progesterone
Drug
Lead sponsor
University of Virginia
Other
Eligibility
8 Years to 18 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 20, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

Subcutaneous Progesterone in Frozen- Thawed Single Euploid Blastocyst Transfer.

NCT04549116
View directory record Official record
Conditions
Infertility
Interventions
Progesterone-IBSA Injectable Solution, Progesterone Vaginal Gel with Applicator, Placebo Vaginal gel with applicator, Placebo injectable solution
Drug
Lead sponsor
IBSA Institut Biochimique SA
Industry
Eligibility
35 Years to 42 Years · Female only
Enrollment
688 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
24
States / cities
Tempe, Arizona • Encino, California • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 20, 2026, 2:26 PM EDT