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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Low-dose Progesterone Clear all
Completed Not applicable Interventional Results available

Comparison of Transdermal and Oral Estrogens in Adolescent Girls With Ovarian Failure

NCT01023178
View directory record Official record
Conditions
Ovarian Failure, Premature
Interventions
17beta Estradiol, Conjugated estrogens, 17Beta Estradiol - transdermal, Progesterone, micronized
Drug
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Improving the Clinical Encounter to Enhance Delivery of an Individualized Prematurity Prevention Plan

NCT04149002
View directory record Official record
Conditions
Preterm Birth
Interventions
Intervention Arm Weekly IP3 text messages, Active Control Arm General pregnancy text messages
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Sep 7, 2026, 7:29 PM EDT
Terminated Phase 3 Interventional Results available

Cannabidiol and Management of Endometriosis Pain

NCT04527003
View directory record Official record
Conditions
Endometriosis, CBD, Pelvic Pain
Interventions
Cannabidiol (CBD) Extract, Norethindrone Acetate, Placebo
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Phase 2 Interventional Results available

Medroxyprogesterone +/- Cyclophosphamide & Methotrexate in Hormone Receptor-Negative Recurrent/Metastatic Breast Cancer

NCT00577122
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, Progesterone Receptor-negative Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
Medroxyprogesterone progesterone acetate (MPA), Medroxyprogesterone with Cyclophosphamide + Methotrexate
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
7
States / cities
Birmingham, Alabama • San Francisco, California • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 7, 2026, 7:29 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Lovenox With Aspirin in Thawed Blastocyst Transfer

NCT06133803
View directory record Official record
Conditions
Infertility, Female
Interventions
Lovenox, Aspirin, Embryo transfer
Drug · Procedure
Lead sponsor
Fertility Center of Las Vegas
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 7, 2026, 7:29 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 12, 2020 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MsFLASH-03: Comparative Efficacy of Low-Dose Estradiol and Venlafaxine XR for Treatment of Menopausal Symptoms

NCT01418209
View directory record Official record
Conditions
Hot Flashes, Menopause, Vasomotor Disturbance
Interventions
Low-dose 17-ß-estradiol with progesterone taper, Venlafaxine XR, Placebo
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years to 62 Years · Female only
Enrollment
339 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
4
States / cities
Boston, Massachusetts • Chestnut Hill, Massachusetts • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2014 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Serum Assessment of Preterm Birth Outcomes Compared to Historical Controls: AVERT PRETERM TRIAL

NCT03151330
View directory record Official record
Conditions
Preterm Birth
Interventions
Screened Arm
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older · Female only
Enrollment
1,873 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 4, 2024 · Synced Sep 7, 2026, 7:29 PM 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 Jul 9, 2026 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Phase 2 Interventional Results available

A Study of Onapristone ER Alone Or In Combination With Anastrozole in Gynecologic Cancers That Respond to Progesterone

NCT03909152
View directory record Official record
Conditions
Granulosa Cell Ovarian Cancer, Low Grade Serous Ovarian/ Primary Peritoneal Cancer, Endometrioid Endometrial Cancer
Interventions
Onapristone ER, Onapristone ER + Anastrozole
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 7, 2026, 7:29 PM EDT
Completed Phase 2 Interventional Results available

Estrogen Receptor Beta and Mood

NCT03689543
View directory record Official record
Conditions
Perimenopause-Related Depression
Interventions
Estradiol, ER Beta Agonist, Placebo, Provera
Drug · Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
45 Years to 65 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 7, 2026, 7:29 PM EDT
Terminated Phase 2 Interventional Results available

Mifepristone Dynamic Testing for Diagnosis for Central Adrenal Insufficiency

NCT04588688
View directory record Official record
Conditions
Central Adrenal Insufficiency, Mifepristone
Interventions
Mifepristone
Drug
Lead sponsor
Tobias Else
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 11, 2023 · Synced Sep 7, 2026, 7:29 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prematurity Risk Assessment Combined With Clinical Interventions for Improving Neonatal outcoMEs

NCT04301518
View directory record Official record
Conditions
Preterm Labor, Preterm Birth
Interventions
Multimodal intervention strategy
Other
Lead sponsor
Sera Prognostics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
6,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
18
States / cities
San Diego, California • New Haven, Connecticut • Newark, Delaware + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 7, 2026, 7:29 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Natural Versus Programmed Frozen Embryo Transfer (NatPro)

NCT04551807
View directory record Official record
Conditions
Pregnancy Related, Pre-Eclampsia
Interventions
Modified natural cycle, Programmed cycle
Procedure
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
788 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
15
States / cities
San Francisco, California • Sunnyvale, California • Orange, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 7, 2026, 7:29 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Effects of Progesterone on Smoked Nicotine Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effects

NCT01636336
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, Progesterone
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Sep 7, 2026, 7:29 PM EDT
Not yet recruiting Phase 2 Interventional

Investigating Novel Interventions for Low Back Pain in US Military Veterans: A Randomized Controlled Adaptive Phase II Trial

NCT05935761
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Pregnenolone, DHEA, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 7, 2026, 7:29 PM EDT
Terminated Not applicable Interventional Results available

Oral Progesterone and Low Dose Aspirin in the Prevention of Preeclampsia

NCT00719537
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin, Placebo Oral Tablet, Progesterone
Drug
Lead sponsor
John Uckele
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 7, 2026, 7:29 PM 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 22, 2018 · Synced Sep 7, 2026, 7:29 PM EDT