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Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: progestin therapy Clear all
Terminated No phase listed Observational

17-OHPC in Pregnancy: IM vs SC Routes

NCT04183452
View directory record Official record
Conditions
Preterm Birth
Interventions
17-Hydroxyprogesterone Caproate 250 mg IM Dose, 17-Hydroxyprogesterone Caproate 275 mg SC Dose
Drug
Lead sponsor
Steve N. Caritis, MD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Newark, Delaware • Durham, North Carolina • Winston-Salem, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2023 · Synced Sep 6, 2026, 11:15 AM 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 6, 2026, 11:15 AM EDT
Withdrawn Phase 2 Interventional

SIRT-1 Antagonism for Endometrial Receptivity

NCT04184323
View directory record Official record
Conditions
Endometriosis, Uterine Diseases, Endometrial Diseases, Infertility Unexplained, Infertility; Female, Nonimplantation
Interventions
EX-527 (Selisistat), Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Sep 6, 2026, 11:15 AM EDT
Not yet recruiting No phase listed Observational

An Observational Study to Learn How Mirena and Other Progestogen Treatments Are Used for Endometrial Protection in Women 40+ With a Uterus in the United States Receiving Estrogen Therapy, and Their Respective Health Outcomes

NCT07795606
View directory record Official record
Conditions
Estrogen Therapy
Interventions
Estrogen therapy, Mirena levonorgestrel-releasing intrauterine system, Other progestogen therapy
Drug · Device
Lead sponsor
Bayer
Industry
Eligibility
40 Years and older · Female only
Enrollment
456,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 6, 2026, 11:15 AM EDT
Completed Phase 3 Interventional

Heart and Estrogen-Progestin Replacement Study (HERS)

NCT00319566
View directory record Official record
Conditions
Coronary Heart Disease
Interventions
Premarin .625 mg daily plus medroxyprogesterone 2.5 mg daily
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
2,430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2001
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2006 · Synced Sep 6, 2026, 11:15 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Post Operative Continuous Active Combination Sex Steroids for the Prevention of Recurrent Endometrioma Formation

NCT00999479
View directory record Official record
Conditions
Endometrioma
Interventions
Norethindrone acetate and ethinyl estradiol tablets, USP, ferrous fumarate (placebo) tablets
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 6, 2026, 11:15 AM 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 6, 2026, 11:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study Between BMS-663068 and Oral Contraceptives in Healthy Female Volunteers (DDI)

NCT02480881
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Oral Contraceptive, Loestrin 1.5/30
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Sep 6, 2026, 11:15 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 11, 2014 · Synced Sep 6, 2026, 11:15 AM EDT
Withdrawn Phase 3 Interventional

Mirena for the Treatment of Nonatypical Endometrial Hyperplasia for 6 Months

NCT06904274
View directory record Official record
Conditions
Endometrial Hyperplasia
Interventions
BAY865028, Medroxyprogesterone acetate
Combination Product · Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
22
States / cities
Phoenix, Arizona • Little Rock, Arkansas • West Hills, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 6, 2026, 11:15 AM EDT
Not listed Phase 2 Interventional

Estriol Treatment in Multiple Sclerosis (MS): Effect on Cognition

NCT01466114
View directory record Official record
Conditions
Relapsing-remitting Multiple Sclerosis, Secondary-progressive Multiple Sclerosis, Primary-progressive Multiple Sclerosis
Interventions
estriol, Placebo, Norethindrone, Progestin Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Albuquerque, New Mexico + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2019 · Synced Sep 6, 2026, 11:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Regulation of Cervical Mucus Secretion

NCT02969590
View directory record Official record
Conditions
Fertility, Contraception
Interventions
Leuprolide acetate, Estrogen and Progesterone Replacement, Progestin
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
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Sep 6, 2026, 11:15 AM EDT
Completed Phase 3 Interventional Results available

Endometrial Safety Study

NCT00522873
View directory record Official record
Conditions
Postmenopause
Interventions
0.25mg DRSP / 0.5mg E2 (BAY86-4891), 0.5mg NETA / 1.0mg E2 (Activella)
Drug
Lead sponsor
Bayer
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
662 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
17
States / cities
Chandler, Arizona • San Diego, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2014 · Synced Sep 6, 2026, 11:15 AM EDT
Terminated Phase 2 Interventional Results available

Preservation of Ovarian Function After Hematopoietic Cell Transplant

NCT01343368
View directory record Official record
Conditions
Multiple Myeloma, Non-Hodgkin Lymphoma, Hodgkin Disease, Acute Myeloid Leukemia, Myeloproliferative Disorders
Interventions
Leuprolide, hematopoietic cell transplant, reduced intensity allogeneic HCT
Drug · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
50 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 6, 2026, 11:15 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Estrogen and Microvascular Function

NCT06043310
View directory record Official record
Conditions
Estrogen, Cardiovascular Diseases, Microvasculature, Oral Contraceptive Use
Interventions
Nω-nitro-L-arginine methyl ester (L-NAME), Acetylcholine, Sodium Nitroprusside
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2031
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 6, 2026, 11:15 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of Progestin-only Contraception on Bleeding Patterns in Individuals Initiating GATT

NCT06230770
View directory record Official record
Conditions
Gender, Contraception
Interventions
Bleeding data
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Sep 6, 2026, 11:15 AM EDT
Recruiting Phase 2 Interventional

Progestins for the Treatment of Endometrial Cancer or Precancers of the Uterus Before Surgery, The Pro-Window Trial

NCT07436793
View directory record Official record
Conditions
Endometrial Endometrioid Adenocarcinoma, Endometrial Hyperplasia
Interventions
Biopsy Procedure, Curettage Procedure, Hysterectomy, Megestrol Acetate, Progesterone Only Hormone Replacement Therapy
Procedure · Drug
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
4
States / cities
Iowa City, Iowa • Albuquerque, New Mexico • Salt Lake City, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 6, 2026, 11:15 AM 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 6, 2026, 11:15 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Low-Dose Hormone Replacement Therapy and Alendronate for Osteoporosis

NCT00000430
View directory record Official record
Conditions
Osteopenia, Osteoporosis
Interventions
Alendronate, Estrogen/progestin therapy
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
60 Years and older · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 3, 2007 · Synced Sep 6, 2026, 11:15 AM 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 6, 2026, 11:15 AM EDT
Terminated Phase 2 Interventional Results available

An Endometrial Cancer Study for Women With Recurrent or Persistent Endometrial Cancer

NCT03077698
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Sodium Cridanimod, progestin therapy
Drug
Lead sponsor
Xenetic Biosciences, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
25
States / cities
Burbank, California • Irvine, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Sep 6, 2026, 11:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

NES Gel-1, To Evaluate Nestorone Gel in Combination With Testosterone Gel

NCT00229593
View directory record Official record
Conditions
Contraception
Interventions
Nestorone gel, Testosterone Gel
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
2
States / cities
Torrance, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 6, 2026, 11:15 AM EDT
Not yet recruiting Phase 2 Interventional

A Study of Weight Loss Intervention With Tirzepatide and Progestin Intrauterine Device to Treat Endometrial Hyperplasia and Grade 1 Endometrial Cancer

NCT07349641
View directory record Official record
Conditions
Endometrial Atypical Hyperplasia/Endometrioid Intraepithelial Neoplasia, FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma
Interventions
Medical Device Usage and Evaluation, Tirzepatide
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Chicago, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 6, 2026, 11:15 AM EDT
Terminated Not applicable Interventional Results available

Progestin-induced Endometrial Shedding in PCOS (The PIES in PCOS Study)

NCT01718444
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility
Interventions
Progestin, Clomiphene Citrate
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Sep 6, 2026, 11:15 AM EDT