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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:51 PM EDT

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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Progesterone Capsule Clear all
Completed Phase 1 Interventional Results available

Development of Pregnenolone as a Treatment for Depression

NCT03645096
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Pregnenolone 500 mg, Pregnenolone 800 mg, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Enzalutamide in Combination With Exemestane in Patients With Advanced Breast Cancer

NCT02007512
View directory record Official record
Conditions
Breast Cancer
Interventions
Enzalutamide, exemestane, Placebo (for enzalutamide)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2024
U.S. locations
89
States / cities
Aurora, Colorado • Colorado Springs, Colorado • Lakewood, Colorado + 54 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 2 Interventional Results available

Extension Study of Proellex in Women Who Have Previously Completed Study ZPU 003

NCT00958334
View directory record Official record
Conditions
Uterine Fibroids
Interventions
Proellex®
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
11
States / cities
Phoenix, Arizona • San Diego, California • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Oct 20, 2026, 4:51 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Withdrawn Not applicable Interventional Accepts healthy volunteers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, 4:51 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, 4:51 PM EDT
Recruiting Not applicable Interventional

Study on Allopregnanolone and Depression in Women Across the Menopause Transition

NCT06238700
View directory record Official record
Conditions
Depression
Interventions
pregnenolone, placebo
Dietary Supplement · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Progesterone Effect on Individuals Diagnoses With AD and PTSD.

NCT02187224
View directory record Official record
Conditions
Alcohol Dependence, Post-Traumatic Stress Disorder (PTSD)
Interventions
Progesterone, Placebo (for Progesterone)
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Oct 20, 2026, 4:51 PM EDT
Active, not recruiting Phase 3 Interventional

Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease

NCT06760637
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07220060, letrozole, abemaciclib, palbociclib, ribociclib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,035 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2037
U.S. locations
216
States / cities
Birmingham, Alabama • Chandler, Arizona • Gilbert, Arizona + 132 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 4:51 PM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy Study to Evaluate Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis

NCT00556075
View directory record Official record
Conditions
Endometriosis
Interventions
Proellex 25 mg, Placebo, Proellex 50 mg
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
17
States / cities
Tucson, Arizona • Little Rock, Arkansas • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2014 · Synced Oct 20, 2026, 4:51 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, 4:51 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, 4:51 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, 4:51 PM EDT
Completed Phase 1 Interventional

Clinical Trial of Trametes Versicolor in Women With Breast Cancer

NCT00680667
View directory record Official record
Conditions
Breast Cancer
Interventions
Coriolus versicolor extract
Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
21 Years to 75 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Minneapolis, Minnesota • Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Oct 20, 2026, 4:51 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, 4:51 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, 4:51 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Blocking Mifepristone Action With Progesterone

NCT03774745
View directory record Official record
Conditions
Pregnancy, Unwanted
Interventions
Mifepristone 200 MG, micronized Progesterone, Placebo oral capsule
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Omega-3 Fatty Acid Supplementation to Prevent Preterm Birth in High Risk Pregnancies

NCT00135902
View directory record Official record
Conditions
Preterm Birth
Interventions
17 alpha-Hydroxyprogesterone Caproate and Omega-3 supplement, 17 alpha-hydroxy progesterone caproate and Placebo supplement
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
12
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2019 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Progesterone & Postpartum Relapse to Smoking

NCT01798394
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
Progesterone, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Oct 20, 2026, 4:51 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Menopause Transition: Estrogen Variability, Stress Reactivity and Mood

NCT03003949
View directory record Official record
Conditions
Perimenopausal Disorder, Stress, Emotional
Interventions
Estradiol Patch, 0.1 Mg/24 Hours Weekly Transdermal Film, Extended Release, Placebo Patch, Progesterone Capsule, Placebo Oral Capsule
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
2
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 4 Interventional Results available

Clinical Medication Development for Bipolar Disorder and Alcohol Use Disorders

NCT02582905
View directory record Official record
Conditions
Alcohol Use Disorder, Bipolar Disorder, Schizoaffective Disorder Bipolar Type
Interventions
Placebo, Citicoline, Pregnenolone
Drug · Dietary Supplement
Lead sponsor
Sherwood Brown, MD, PhD
Other
Eligibility
18 Years to 70 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Miami, Florida • Dallas, Texas • Edinburg, Texas
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Early Menopause Hormone Treatment and Cognition

NCT01046643
View directory record Official record
Conditions
Menopausal Syndrome
Interventions
Estradiol (E2), Progesterone (P10) x90, Progesterone (P10) x10
Drug
Lead sponsor
University of Michigan
Other
Eligibility
45 Years to 55 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of the Combination Estradiol and Progesterone to Treat Vasomotor Symptoms

NCT01942668
View directory record Official record
Conditions
Menopause
Interventions
Estradiol, Progesterone, Placebo
Drug
Lead sponsor
TherapeuticsMD
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
1,845 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
119
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 99 more
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Oct 20, 2026, 4:51 PM EDT
Recruiting Phase 4 Interventional

Modifying Progesterone and Estradiol Levels to Prevent Postpartum Cigarette Smoking Relapse and Reduce Secondhand Smoke Exposure in Infants and Children

NCT04783857
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Reduction
Interventions
Progesterone 200 MG Oral Capsule
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 20, 2026, 4:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening

NCT01929083
View directory record Official record
Conditions
Prolonged QT Interval in EKG and Sudden Death
Interventions
Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2015 · Synced Oct 20, 2026, 4:51 PM EDT