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ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:04 AM EDT

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Showing 1–24 of 171 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo progesterone Clear all
Suspended Phase 2 Interventional

Novel Intervention for Chronic Complex TBI in OEF/OIF/OND Veterans

NCT05671692
View directory record Official record
Conditions
Traumatic Brain Injury, TBI
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Christine Marx, MD
Other
Eligibility
21 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 4 Interventional Results available

Progesterone Augmentation of Nicotine Replacement Therapy Study

NCT02685072
View directory record Official record
Conditions
Smoking Cessation
Interventions
Progesterone (200 mgs BID), Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 21, 2026, 11:04 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Vaginal Progesterone for the Prevention of Preterm Birth in Women With Arrested Preterm Labor

NCT01840228
View directory record Official record
Conditions
Premature Birth, Obstetric Labor, Premature
Interventions
Micronized progesterone suppository
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Oct 21, 2026, 11:04 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Mifepristone Induction for Fetal Demise

NCT02620904
View directory record Official record
Conditions
Intrauterine Fetal Demise, Fetal Death
Interventions
Mifepristone, placebo
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
16 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pharmacokinetic and Randomized Trial of Neoadjuvant Treatment With Anastrozole Plus AZD0530 in Postmenopausal Patients With Hormone Receptor Positive Breast Cancer

NCT01216176
View directory record Official record
Conditions
Breast Cancer
Interventions
Anastrozole, AZD0530 (saracatinib), Placebo
Drug
Lead sponsor
Joyce Marie Slingerland, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
2
States / cities
Palo Alto, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 21, 2026, 11:04 AM EDT
Recruiting Phase 4 Interventional

Examining the Effects of Estradiol on Neural and Molecular Response to Reward

NCT05282277
View directory record Official record
Conditions
Depression, Psychosis, Anhedonia
Interventions
Transdermal Estradiol, Micronized Progesterone, Matching Placebo Patch, Raclopride C11
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
45 Years to 55 Years · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Evaluation of Bioidentical Compounded Estrogen Cream and Natural Progesterone

NCT00864214
View directory record Official record
Conditions
Menopause
Interventions
bioidentical hormone (Biest), bioidentical hormone (Vivelle-Dot)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2012 · Synced Oct 21, 2026, 11:04 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pregnenolone as a Treatment for Cannabis Intoxication

NCT07216690
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg, Placebo, Placebo brownie
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 21, 2026, 11:04 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hyperandrogenemia and Altered Day-night LH Pulse Patterns

NCT03068910
View directory record Official record
Conditions
Hyperandrogenism, Polycystic Ovary Syndrome, Puberty
Interventions
Micronized progesterone, Spironolactone, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 21, 2026, 11:04 AM EDT
Withdrawn Not applicable Interventional

Progesterone and Atomoxetine for Cocaine Cessation

NCT01741376
View directory record Official record
Conditions
Cocaine Dependence, Nicotine Dependence
Interventions
Progesterone, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 21, 2026, 11:04 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Proellex in Pre-menopausal Anemic Women With Symptomatic Uterine Fibroids

NCT00702702
View directory record Official record
Conditions
Uterine Fibroids, Anemia
Interventions
Proellex 25 mg, Proellex 50 mg, Placebo
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effects of Anorexia Nervosa on Peak Bone Mass

NCT01301183
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
RhIGF-1 with transdermal 17-beta estradiol, Placebo and transdermal 17-beta estradiol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 22 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

The Influence of Testosterone on Experimental Pain Perception

NCT05781685
View directory record Official record
Conditions
Acute Pain
Interventions
Testosterone, Placebo Syrup
Drug · Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 4 Interventional

Pregnenolone Trial for Depression in Bipolar Disorders or Recurrent Major Depressive Disorder With Substance Abuse

NCT00223197
View directory record Official record
Conditions
Bipolar Disorder, Major Depressive Disorder, Substance Abuse
Interventions
Pregnenolone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2012 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 2 Interventional

Comparing Anastrozole-Placebo to the Combination Anastrozole-ZD1839 in Postmenopausal Patients With Estrogen Receptor and/or Progesterone Receptor Metastatic Breast Cancer

NCT00077025
View directory record Official record
Conditions
Breast Cancer
Interventions
Gefitinib, Anastrozole
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Female only
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
16
States / cities
La Jolla, California • San Diego, California • Orlando, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2014 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of Reproductive Hormones on Mood and Behavior

NCT00001322
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Leuprolide Acetate 3.75, Estradiol, Progesterone, Placebo suppository, Placebo patch
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

KEEPS Mammographic Density And Breast Health Ancillary Study

NCT02524561
View directory record Official record
Conditions
Mammographic Density, Abnormal Mammogram
Interventions
CEE pill, Estradiol patch, Active Progesterone, Placebo tablet, Placebo patch, Placebo progesterone
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
42 Years to 58 Years · Female only
Enrollment
517 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Early Phase 1 Interventional Results available

PRevention Of Methamphetamine Use Among Postpartum Women Trial (PROMPT)

NCT05128071
View directory record Official record
Conditions
Methamphetamine-dependence, Postpartum Abstinence
Interventions
Progesterone, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vascular Mechanisms for the Effects of Loss of Ovarian Hormone Function on Cognition in Women

NCT02122198
View directory record Official record
Conditions
Cognitive Impairment, Executive Dysfunction, Endothelial Dysfunction, Cardiovascular Disease
Interventions
Leuprolide acetate, Estradiol, Medroxyprogesterone, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Aurora, Colorado • Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 2 Interventional

The Effects of One-Time Pregnenolone, Dehydroepiandrosterone (DHEA), or Placebo Administration On Withdrawal Symptoms, Mood, Craving And Cigarette Evaluation Ratings In Male Smokers

NCT00900900
View directory record Official record
Conditions
Substance Withdrawal Syndrome
Interventions
dehydroepiandrosterone (DHEA), pregnenolone, Placebo
Dietary Supplement · Drug
Lead sponsor
Jed E. Rose
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2012 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 2 Interventional Results available

Pregnenolone and Marijuana Dependence

NCT02439814
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Pregnenolone, Placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 21, 2026, 11:04 AM EDT
Not listed Phase 1 Interventional

Assessing Ketorolac (Toradol) at Oocyte Retrieval

NCT06026553
View directory record Official record
Conditions
Infertility, Infertility, Female, Oocyte Retrieval, Postoperative Pain, Embryo Transfer
Interventions
Ketorolac (Toradol), Placebo (saline)
Drug · Other
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Rockville, Maryland • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 21, 2026, 11:04 AM EDT
Terminated Phase 2 Interventional Results available

Effect of Progesterone on Testosterone Concentrations and Breast Development in Transwomen

NCT04534881
View directory record Official record
Conditions
Transgender Persons
Interventions
Progesterone 200 MG, Placebo
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Oct 21, 2026, 11:04 AM EDT
Completed Phase 4 Interventional Results available

Does Oral Micronized Progesterone Shorten Time of Symptoms From Concussion

NCT01809639
View directory record Official record
Conditions
Concussion
Interventions
Progesterone, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 44 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 21, 2026, 11:04 AM EDT