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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Progestin Clear all
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, 7:53 AM EDT
Active, not recruiting Phase 3 Interventional

Study to Evaluate Contraceptive Efficacy and Safety of a Progestin Only Patch in Women of Childbearing Potential

NCT06672016
View directory record Official record
Conditions
Female Contraception
Interventions
Transdermal system containing progestin
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
16 Years and older · Female only
Enrollment
1,630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
56
States / cities
Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 40 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 6, 2026, 7:53 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Multi-center, Open-label, Randomized, Parallel Group Study to Evaluate Pharmacokinetic Profile, Effects on the Mechanisms of Contraceptive Efficacy and Safety of Two Progestin-only Patches Containing Different Doses of Levonorgestrel (LNG)

NCT01166412
View directory record Official record
Conditions
Contraception
Interventions
levonorgestrel patch with BMI 32 kg/m2 to <40 kg/m2, levonorgestrel patch with BMI <32 kg/m2
Drug
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
6
States / cities
Aurora, Colorado • New York, New York • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 6, 2026, 7:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Contraceptive Safety and Effectiveness in Cystic Fibrosis

NCT04568980
View directory record Official record
Conditions
Cystic Fibrosis, Contraception
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
562 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 6, 2026, 7:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Contraceptive Hormones, Immunity, and Microbiome Evaluation

NCT03660046
View directory record Official record
Conditions
Hormonal Contraception
Interventions
Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD)
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 45 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 6, 2026, 7:53 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, 7:53 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, 7:53 AM EDT
Active, not recruiting Phase 4 Interventional

Effects of the Contraceptive Implant in Women With Sickle Cell Disease

NCT05730205
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Nexplanon 68 MG Drug Implant
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 6, 2026, 7:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Timing of Postpartum Depot Medroxyprogesterone Acetate Administration on Breastfeeding, Contraceptive Continuation, and Depression

NCT01463202
View directory record Official record
Conditions
Contraception, Postpartum Depression, Lactation
Interventions
Depot medroxyprogesterone acetate
Drug
Lead sponsor
Beatrice Chen
Other
Eligibility
18 Years and older · Female only
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 6, 2026, 7:53 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, 7:53 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Norplant and Irregular Bleeding/Spotting

NCT00064766
View directory record Official record
Conditions
Endometrial Bleeding, Periodontal Disease
Interventions
doxycycline
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 6, 2026, 7:53 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Identifying Oxytocin Deficiency in Adults With Pituitary Disease

NCT06460948
View directory record Official record
Conditions
Arginine Vasopressin Deficiency, Oxytocin Deficiency
Interventions
Norethindrone Acetate-Ethinyl Estradiol
Drug
Lead sponsor
Elizabeth Austen Lawson
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 6, 2026, 7:53 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, 7:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Controlled Trial of Oral Naproxen and Transdermal Estradiol for Bleeding in LNG-IUC

NCT00789802
View directory record Official record
Conditions
Contraception, Bleeding
Interventions
transdermal estradiol, naproxen, oral placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 6, 2026, 7:53 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, 7:53 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, 7:53 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, 7:53 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, 7:53 AM EDT
Recruiting Phase 4 Interventional

Frozen Shoulder and Hormone Replacement Therapy

NCT07278323
View directory record Official record
Conditions
Adhesive Capsulitis of the Shoulder, Frozen Shoulder
Interventions
Hormone Replacement Therapy (HRT), Corticosteroid and 1%lidocain, physical therapy
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 6, 2026, 7:53 AM EDT
Terminated Early Phase 1 Interventional

Natural Progesterone for the Treatment of Recurrent Glioblastoma

NCT05091866
View directory record Official record
Conditions
Gliosarcoma, Recurrent Glioblastoma
Interventions
Quality-of-Life Assessment, Questionnaire Administration, Therapeutic Progesterone
Other · Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 6, 2026, 7:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stress Hormones and IUDs

NCT03499379
View directory record Official record
Conditions
Contraception, Mood Change
Interventions
Mirena, Paraguard
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 6, 2026, 7:53 AM EDT
Completed Phase 4 Interventional

Nurse Family Partnership (NFP) Contraceptive Study

NCT00928538
View directory record Official record
Conditions
Pregnancy, Effective Contraceptive Use, Family Planning
Interventions
Enhanced NFP Care
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
3
States / cities
Olympia, Washington • Seattle, Washington • Vancouver, Washington
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Sep 6, 2026, 7:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Contraceptive (OC) Progestin Dose and Breast Proliferation

NCT00972439
View directory record Official record
Conditions
Oral Contraceptive
Interventions
Oral Contraceptive: Ortho-Novum® 1/35, Oral Contraceptive: Ovcon Fe®
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Sep 6, 2026, 7:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Progestin (Progesterone-Like Hormones) Induced Dysphoria (Depressed Mood, Irritability, Anxiety)

NCT00001770
View directory record Official record
Conditions
Depressive Disorder, Mood Disorder, Psychomotor Agitation
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 6, 2026, 7:53 AM EDT