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ClinicalTrials.gov public records Last synced Oct 3, 2026, 4:37 AM EDT

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Showing 73–96 of 127 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo (for Progesterone) Clear all
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 3, 2026, 4:37 AM EDT
Terminated Phase 2 Interventional Results available

Estradiol and Progesterone in Hospitalized COVID-19 Patients

NCT04865029
View directory record Official record
Conditions
Covid19
Interventions
Placebo injection and placebo pill, Estradiol Cypionate 5 mg/ml, Progesterone 200 mg Oral Capsule
Other · Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Results available

Confirmatory Study of 17P vs Vehicle for Prevention of Preterm Birth in Women w/ Previous Spontaneous Preterm Delivery

NCT01004029
View directory record Official record
Conditions
Preterm Birth
Interventions
Hydroxyprogesterone Caproate Injection (HPC), 250mg/mL, Vehicle
Drug
Lead sponsor
AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,740 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
41
States / cities
Montgomery, Alabama • Tucson, Arizona • La Mesa, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 3, 2026, 4:37 AM 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 3, 2026, 4:37 AM EDT
Recruiting Phase 2 Interventional

Neuroactive Steroid to Treat Depressed Mood: A Trial for People With HIV

NCT05570812
View directory record Official record
Conditions
Major Depressive Disorder, Anxiety Depression, HIV
Interventions
Placebo, Pregnenolone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Estetrol for the Treatment of Moderate to Severe Vasomotor Symptoms in Postmenopausal Women (E4Comfort Study I)

NCT04209543
View directory record Official record
Conditions
Vasomotor Symptoms, Menopausal Symptoms
Interventions
Estetrol, Placebo, Progesterone
Drug
Lead sponsor
Estetra
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
1,570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
65
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Estrogen Variability and Irritability During the Menopause Transition

NCT05388656
View directory record Official record
Conditions
Menopause, Irritable Mood
Interventions
Estradiol Patch, 0.1 mg/24 Hours Weekly Transdermal Film, Extended Release, Placebo, Progesterone 200 mg
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
45 Years to 59 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 3, 2026, 4:37 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 3, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Progesterone for Smoking Relapse Prevention Following Delivery

NCT01972464
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Progesterone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Results available

A Phase III Randomized Trial of Metformin vs Placebo in Early Stage Breast Cancer

NCT01101438
View directory record Official record
Conditions
Breast Cancer
Interventions
metformin hydrochloride, placebo
Drug · Other
Lead sponsor
Canadian Cancer Trials Group
Network
Eligibility
18 Years to 74 Years
Enrollment
3,649 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
280
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Scottsdale, Arizona + 213 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 2 Interventional

A Trial to Evaluate DR-2021 in Women With Secondary Amenorrhea

NCT00196391
View directory record Official record
Conditions
Amenorrhea
Interventions
DR-2021a, DR-2021b, DR-2021c, DR-2021d, DR-2021e, Placebo
Drug · Other
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2014 · Synced Oct 3, 2026, 4:37 AM 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 3, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Results available

Research Investigation of Soy and Estrogen

NCT00997893
View directory record Official record
Conditions
Menopause, Hot Flashes
Interventions
Soy Phytoestrogen, Estradiol, Medroxyprogesterone Acetate (MPA), Soy Placebo, MPA Placebo
Dietary Supplement · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 2Phase 3 Interventional

Alzheimer's Disease: Therapeutic Potential of Estrogen

NCT00066157
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Transdermal estradiol, Medroxyprogesterone, Placebo Patch, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
55 Years to 90 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 3, 2026, 4:37 AM EDT
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 3, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Trial of Progesterone in Twins and Triplets to Prevent Preterm Birth (STTARS)

NCT00099164
View directory record Official record
Conditions
Preterm Birth, Pregnancy, Multifetal
Interventions
17 alpha-hydroxyprogesterone caproate (17P)
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
14
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Progesterone Treatment for Cocaine-dependent Women: A Pilot Study

NCT00632099
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Oral micronized progesterone, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Oct 3, 2026, 4:37 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 3, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Results available

Zoledronic Acid - Letrozole Adjuvant Synergy Trial (ZFAST) - Cancer Treatment Related Bone Loss in Postmenopausal Women With Estrogen Receptor Positive and/or Progesterone Receptor Positive Breast Cancer Receiving Adjuvant Hormonal Therapy

NCT00050011
View directory record Official record
Conditions
Breast Neoplasms, Osteoporosis
Interventions
Zoledronic Acid, Letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years · Female only
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
43
States / cities
Springdale, Arkansas • Burbank, California • Lafayette, California + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2014 · Synced Oct 3, 2026, 4:37 AM 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 3, 2026, 4:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Progesterone Amplifies Estrogen-stimulated Growth Hormone Secretion in Older Women

NCT02272647
View directory record Official record
Conditions
Healthy
Interventions
IM Saline Placebo (0.25 ml), IM Estradiol valerate (2.5 mg), IM Saline Placebo (0.5 ml), IM Estradiol valerate (5.0 mg), Oral Micronized Progesterone, Oral Placebo, Ghrelin (0.3 ug/kg), Medroxyprogesterone - Acetate
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Oct 3, 2026, 4:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Roles of Estrogen and Progesterone in Heart Metabolism

NCT00565916
View directory record Official record
Conditions
Postmenopausal Syndrome
Interventions
Estrogen, Progesterone, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 3, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Uterine Fibroids With the Selective Progesterone Receptor Modulator CDB-2914

NCT00290251
View directory record Official record
Conditions
Leiomyoma
Interventions
ulipristal acetate 20 mg, ulipristal acetate 10 mg, placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 3, 2026, 4:37 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 3, 2026, 4:37 AM EDT