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ClinicalTrials.gov public records Last synced Sep 18, 2026, 8:13 AM EDT

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Showing 1–24 of 71 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Estradiol/Norethindrone Acetate Clear all
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 18, 2026, 8:13 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Surgical Myomectomy Followed by Oral Myfembree Versus Standard of Care Trial (SOUL)

NCT05538689
View directory record Official record
Conditions
Metrorrhagia, Pelvic Pain, Menorrhagia, Leiomyoma
Interventions
Myfembree Oral Product
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
6
States / cities
Chicago, Illinois • Flossmoor, Illinois • Orland Park, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Not applicable Interventional Results available

Data Analyses for Ancillary WISE Femhrt Hormone Replacement Study

NCT00600106
View directory record Official record
Conditions
Myocardial Ischemia
Interventions
1/10 NA/EE, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Interaction of BMS-986322 and a Combined Oral Hormonal Contraceptive (Ethinyl Estradiol [EE]/Norethindrone [NET]) in Healthy Female Participants

NCT05579574
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986322, Loestrin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 3 Interventional

SPIRIT 1: Efficacy and Safety Study of Relugolix in Women With Endometriosis-Associated Pain

NCT03204318
View directory record Official record
Conditions
Endometriosis Related Pain
Interventions
Relugolix, Estradiol/norethindrone acetate, Estradiol/norethindrone acetate placebo, Relugolix placebo
Drug
Lead sponsor
Myovant Sciences GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
638 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
43
States / cities
Dothan, Alabama • Mesa, Arizona • Scottsdale, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2021 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Effects of GSK189075 on PK Profiles of an Oral Contraceptive Pill When Given to Healthy Female Volunteers

NCT00504816
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
GSK189075, Brevicon
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Miramar, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2012 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study of Danicopan

NCT04709094
View directory record Official record
Conditions
Healthy
Interventions
Danicopan, Warfarin, Bupropion, Ethinyl Estradiol/Norethindrone
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 18, 2026, 8:13 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Relative Desirability of Metformin vs. Birth Control Pill in Treating PCOS in Women of Later Reproductive Age

NCT03905941
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Metformin, Oral combined hormonal contraceptives
Drug
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 49 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of BMS-986165 Combined With an Oral Contraceptive (Ethinyl Estradiol/Norethindrone) in Healthy Female Patients

NCT03262727
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Arthritic Psoriasis, Psoriasis, Inflammatory Bowel Diseases
Interventions
BMS-986165, Loestrin 1.5/30 (1.5 mg norethindrone acetate/30 μg ethinyl estradiol)
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Different Methods of Birth Control on the Drug Actions of Zidovudine (an Anti-HIV Drug) in HIV-Positive Women and to Compare Zidovudine Metabolism in Men and Women

NCT00000897
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
San Francisco, California • Jacksonville, Florida • Albany, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Sep 18, 2026, 8:13 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Optimizing Ovulation Induction in the Poor Responder

NCT01200537
View directory record Official record
Conditions
IVF Poor Responders
Interventions
Estradiol, Oral Contraceptive Pills (OCP)
Drug
Lead sponsor
Duke University
Other
Eligibility
20 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 18, 2026, 8:13 AM EDT
Recruiting Phase 3 Interventional

Estradiol-mediated Inflammation and Central Sensitization in the Pathophysiology of Endometriosis-associated Pelvic Pain

NCT07100782
View directory record Official record
Conditions
Endometriosis, Pelvic Pain
Interventions
Relugolix CT
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

A Clinical Study to Evaluate the Safety and Efficacy of Elagolix in Participants With Moderate to Severe Endometriosis-Associated Pain

NCT03213457
View directory record Official record
Conditions
Endometriosis
Interventions
Estradiol/Norethindrone Acetate, Placebo for Elagolix, Elagolix, Placebo for E2/NETA
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
681 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
188
States / cities
Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 140 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Characterize the Drug Levels of an Oral Contraceptive With and Without BMS-986166 in Healthy Female Participants of Childbearing Potential

NCT04934696
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986166, Oral contraceptive
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 18, 2026, 8:13 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 18, 2026, 8:13 AM EDT
Completed Phase 1 Interventional

A Drug-Drug Interaction Study to Assess the Effect of Trametinib on the Pharmacokinetics of an Oral Contraceptive in Female Patients With Solid Tumors

NCT02705963
View directory record Official record
Conditions
Solid Tumors
Interventions
Trametinib, Oral Contraceptive (1mg norethindrone, 0.035mg ethinyl estradiol)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 59 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Detroit, Michigan • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00477633
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone/ethinyl estradiol
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
63
States / cities
Chandler, Arizona • Phoenix, Arizona • Tempe, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Results available

LIBERTY 1: Efficacy & Safety Study of Relugolix in Women With Heavy Menstrual Bleeding Associated With Uterine Fibroids

NCT03049735
View directory record Official record
Conditions
Heavy Menstrual Bleeding, Uterine Fibroid
Interventions
Relugolix, Estradiol/norethindrone acetate, Estradiol/norethindrone acetate placebo, Relugolix placebo
Drug
Lead sponsor
Myovant Sciences GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
76
States / cities
Andalusia, Alabama • Mobile, Alabama • Little Rock, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Sep 18, 2026, 8:13 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Ovulation Incidence in Oral Contraceptive Users

NCT03106454
View directory record Official record
Conditions
Contraception, Ovulation
Interventions
Ethinyl Estradiol, Norethindrone acetate, ferrous fumarate, Norethindrone
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 18, 2026, 8:13 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Oral Contraceptive Ethinyl Estradiol Dose Effect on Postpartum Depression and Sexual Functioning Scales

NCT02210702
View directory record Official record
Conditions
Postpartum Depressive Mood, Postpartum Sexual Function
Interventions
Ethinyl Estradiol 35mcg/Norethindrone 1mg, Ethinyl Estradiol 20mcg/Norethindrone 1mg
Drug
Lead sponsor
The Jones Institute
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 18, 2026, 8:13 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 18, 2026, 8:13 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 18, 2026, 8:13 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 18, 2026, 8:13 AM EDT
Completed Early Phase 1 Interventional

Gender Disparity and Hormones in Cystic Fibrosis

NCT02036879
View directory record Official record
Conditions
Cystic Fibrosis (CF)
Interventions
Loestrin (norethindrone acetate and ethinyl estradiol)
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Sep 18, 2026, 8:13 AM EDT