Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 4:22 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Vaginal progesterone Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Contraception and Menstrual Cycle Effect on Pharmacokinetics, Pharmacodynamics and Safety in Tenofovir Vaginal Gel Use

NCT01421368
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir 1% vaginal gel, Depo-medroxyprogesterone acetate (DMPA), Oral contraceptive: LNG 150 mcg and EE 30 mcg
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Sep 5, 2026, 4:22 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 3, 2011 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Relationship Between the Menstrual Cycle and Heart Disease in Women

NCT01546454
View directory record Official record
Conditions
Coronary Heart Disease
Interventions
Ethinyl Estradiol-Levonorgestrel combination, leuprolide acetate, Estradiol, Progesterone
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 2Phase 3 Interventional

Vaginal Progesterone Supplementation in Women With PCOS Undergoing Ovulation Induction With Letrozole

NCT03440359
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Progesterone Vaginal Gel 8%, Letrozole Oral Tablet, pelvic ultrasound, Ovidrel 250 MCG Per 0.5 ML Prefilled Syringe, Intrauterine insemination or timed intercourse
Drug · Diagnostic Test · Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2018 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 2 Interventional

Comparison of DR-2011 to a Progesterone Vaginal Gel for Luteal Phase Replacement

NCT00117468
View directory record Official record
Conditions
Infertility
Interventions
DR-2011, Progesterone 8% Vaginal Gel
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 5, 2026, 4:22 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 25, 2022 · Synced Sep 5, 2026, 4:22 PM EDT
Completed No phase listed Observational

Progesterone Support of FET

NCT01058382
View directory record Official record
Conditions
Frozen Embryo Pregnancy Rate
Interventions
Progesterone Vaginal Suppositories, Intramuscular Progesterone-in-Oil
Drug
Lead sponsor
Charles Coddington
Other
Eligibility
20 Years to 50 Years · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 9, 2013 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing IM vs. Vaginal Progesterone for Pre-term Birth

NCT00579553
View directory record Official record
Conditions
Infant, Premature, Premature Birth
Interventions
Intramuscular Progesterone, Vaginal Progesterone
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Sep 5, 2026, 4:22 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 26, 2012 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

A Trial of Pessary and Progesterone for Preterm Prevention in Twin Gestation With a Short Cervix

NCT02518594
View directory record Official record
Conditions
Short Cervical Length
Interventions
Vaginal progesterone, Placebo, Arabin Pessary
Drug · Device
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
1,311 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
16
States / cities
Birmingham, Alabama • San Francisco, California • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 5, 2026, 4:22 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 6, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Clinical Safety Study of the Progesterone Vaginal Ring in Women Undergoing Assisted Reproductive Technology Procedures

NCT03565211
View directory record Official record
Conditions
Progesterone Supplementation in Women Undergoing ART
Interventions
Progesterone vaginal ring
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 34 Years · Female only
Enrollment
352 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
15
States / cities
Tempe, Arizona • Encino, California • Newark, Delaware + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 4 Interventional

Vaginal Compared to Intramuscular Progesterone for Frozen Embryo Transfer

NCT02254577
View directory record Official record
Conditions
Infertility
Interventions
Endometrin® plus Progesterone in Oil (PIO), Progesterone in Oil (PIO) Only
Drug
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
1,139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
14
States / cities
Washington D.C., District of Columbia • Annapolis, Maryland • Baltimore, Maryland + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Cerclage On LOw Risk Singletons: Cervical Cerclage for Prevention of Spontaneous Preterm Birth in Low Risk Singleton Pregnancies With Short Cervix

NCT03251729
View directory record Official record
Conditions
Premature Birth
Interventions
Cervical cerclage, Vaginal progesterone
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Sep 5, 2026, 4:22 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Preventing Preterm Birth With a Pessary

NCT01380158
View directory record Official record
Conditions
Preterm Birth
Interventions
Cup pessary (Bioteque America, Inc)
Device
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 5, 2026, 4:22 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

A Randomized Trial of Pessary in Singleton Pregnancies With a Short Cervix

NCT02901626
View directory record Official record
Conditions
Short Cervix, Preterm Delivery
Interventions
Arabin Cervical Pessary
Device
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
12
States / cities
Birmingham, Alabama • Chicago, Illinois • New York, New York + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Progesterone for Maintenance Tocolysis: A Randomized Placebo Controlled Trial

NCT00946088
View directory record Official record
Conditions
Pregnancy Complications
Interventions
Progesterone, Polyethylene glycol&hydrogenated vegetable oil.
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 5, 2026, 4:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Vaginal and IM Progestins on the Cervix

NCT01954095
View directory record Official record
Conditions
Preterm Birth, Short Cervical Length
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
4
States / cities
Indianapolis, Indiana • Pittsburgh, Pennsylvania • Galveston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Sep 5, 2026, 4:22 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 12, 2012 · Synced Sep 5, 2026, 4:22 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Hormone Replacement Therapy in Adolescents With Premature Ovarian Insufficiency

NCT06851754
View directory record Official record
Conditions
Premature Ovarian Insufficiency
Interventions
Progesterone, Estrogen Patch
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
11 Years to 19 Years · Female only
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 5, 2026, 4:22 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 26, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DMPA & High Dose Oral Progestin (MPA) Tablets in Outpatient Treatment of Acute Excessive Vaginal Bleeding

NCT01148420
View directory record Official record
Conditions
Dysfunctional Uterine Bleeding
Interventions
Medroxyprogesterone 17-Acetate, medroxyprogesterone acetate
Drug
Lead sponsor
Women's Health Care Clinic, Torrance, California
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2014 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Vaginal Versus Intramuscular Progesterone for the Prevention of Recurrent Preterm Birth

NCT02913495
View directory record Official record
Conditions
Premature Birth
Interventions
Vaginal Progesterone, Intramuscular Progesterone (17 alpha hydroxprogesterone caproate)
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Springfield, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 5, 2026, 4:22 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 5, 2026, 4:22 PM EDT