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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:05 PM EDT

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Showing 1–24 of 89 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Norethindrone Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00932321
View directory record Official record
Conditions
Prevention of Pregnancy
Interventions
Norethindrone Acetate/Ethinyl Estradiol 24 Days, Norethindrone Acetate /Ethinyl Estradiol 21 Days
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
938 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
34
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chico, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Oct 19, 2026, 10:05 PM EDT
Withdrawn Phase 2 Interventional

IUD and Norethindrone Acetate for Treatment of Endometriosis

NCT04948489
View directory record Official record
Conditions
Endometriosis
Interventions
norethindrone acetate (NETA), Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 24 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 19, 2026, 10:05 PM 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 5, 2017 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Progestin-Only Pill Use and Breastfeeding Study

NCT04965116
View directory record Official record
Conditions
Contraception, Breastfeeding
Interventions
Progestin Only Contraceptive Pills
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2024 · Synced Oct 19, 2026, 10:05 PM EDT
Recruiting Phase 3 Interventional

The Effect of Medical Management Following Excisional Surgery for Endometriosis: A Randomized Controlled Trial

NCT06439524
View directory record Official record
Conditions
Endometriosis
Interventions
40 mg relugolix, 1 mg estradiol, 0.5 mg norethindrone acetate
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 19, 2026, 10:05 PM EDT
Withdrawn No phase listed Observational

A Study to Evaluate Changes in Hair in Adult Participants Taking Oral Oriahnn Capsules With Heavy Menstrual Bleeding (HMB) Associated With Uterine Fibroids (UF)

NCT06058728
View directory record Official record
Conditions
Uterine Fibroids (UF)
Interventions
Not listed
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 3 Interventional Results available

LIBERTY 2: Efficacy & Safety Study of Relugolix in Women With Heavy Menstrual Bleeding Associated With Uterine Fibroids

NCT03103087
View directory record Official record
Conditions
Heavy Menstrual Bleeding, Uterine Fibroid
Interventions
Relugolix, Estradiol/norethindrone acetate, Relugolix placebo, Estradiol/norethindrone acetate placebo
Drug
Lead sponsor
Myovant Sciences GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
89
States / cities
Birmingham, Alabama • Mesa, Arizona • Tucson, Arizona + 78 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Oct 19, 2026, 10:05 PM EDT
Recruiting Phase 3 Interventional

A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis

NCT05862272
View directory record Official record
Conditions
Uterine Fibroids, Endometriosis
Interventions
Relugolix Combination Tablet
Drug
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
120
States / cities
Mobile, Alabama • Chandler, Arizona • Mesa, Arizona + 98 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 19, 2026, 10:05 PM 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 23, 2026 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Efficacy and Safety Study of Norethindrone Acetate Transdermal Delivery System in Contraception

NCT01140217
View directory record Official record
Conditions
Contraceptive Usage
Interventions
Norethindrone Acetate
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,659 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
53
States / cities
Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 50 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Oct 19, 2026, 10:05 PM 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 24, 2019 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Tocilizumab in Combination With an Oral Contraceptive in Patients With Rheumatoid Arthritis

NCT01044498
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Tocilizumab, Ortho-Novum® 1/35
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 44 Years · Female only
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
6
States / cities
Little Rock, Arkansas • Beverly Hills, California • Ormond Beach, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2013 · Synced Oct 19, 2026, 10:05 PM EDT
Completed No phase listed Observational

Norethindrone Impact on Receptiva Outcomes

NCT07134920
View directory record Official record
Conditions
Infertility (IVF Patients), Infertility Female
Interventions
Not listed
Lead sponsor
Inception Fertility Research Institute, LLC
Industry
Eligibility
Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bryn Mawr, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Contraceptive Efficacy of Relugolix Combination Therapy in Women With Uterine Fibroids or Endometriosis Who Are at Risk for Pregnancy

NCT04756037
View directory record Official record
Conditions
Contraception
Interventions
Relugolix Combination Therapy
Drug
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
109
States / cities
Mobile, Alabama • Chandler, Arizona • Mesa, Arizona + 89 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 1 Interventional Results available

A Study of Pharmacokinetic Drug Interaction Study of the Hedgehog Pathway Inhibitor GDC-0449 in Combination With Rosiglitazone or Combined Oral Contraceptive in Patients With Locally Advanced or Metastatic Solid Tumors That Are Refractory to Standard Therapy or for Whom No Standard Therapy Exists

NCT01209143
View directory record Official record
Conditions
Solid Cancers
Interventions
Vismodegib, Rosiglitazone, Norethindrone/ethinyl estradiol
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Stanford, California • Detroit, Michigan • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2015 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Elagolix in Combination With Estradiol/Norethindrone Acetate for the Management of Heavy Menstrual Bleeding Associated With Uterine Fibroids in Premenopausal Women (Replicate Study)

NCT02691494
View directory record Official record
Conditions
Uterine Fibroids, Heavy Menstrual Bleeding
Interventions
Elagolix, Placebo for Estradiol/Norethindrone Acetate, Estradiol/Norethindrone Acetate, Placebo for Elagolix
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 51 Years · Female only
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
103
States / cities
Birmingham, Alabama • Dothan, Alabama • Fairhope, Alabama + 89 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 19, 2026, 10:05 PM EDT
Completed No phase listed Observational Results available

Oral Contraceptive Hormone-free Interval Pituitary/ Ovarian Activity

NCT01953211
View directory record Official record
Conditions
Hypothalamic-pituitary-ovarian Axis, Gonadotropins, Ethinyl Estradiol, Contraceptive Efficacy
Interventions
combined oral contraceptives
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
64 participants
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2019 · Synced Oct 19, 2026, 10:05 PM EDT
Not yet recruiting Phase 4 Interventional

A Randomized Feasibility Trial Comparing Drospirenone and Norethindrone for Postpartum Hypertension Management in Preeclampsia

NCT07293728
View directory record Official record
Conditions
Hypertension, Preeclampsia
Interventions
Norethindrone 0.35 MG, Drospirenone
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Isavuconazole and Oral Contraceptive Containing Ethinyl Estradiol and Norethindrone

NCT01597986
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Ethinyl Estradiol and Norethindrone, Healthy Volunteers
Interventions
isavuconazole, Oral Contraceptive (ethinyl estradiol / norethindrone)
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
50 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 16, 2012 · Synced Oct 19, 2026, 10:05 PM 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 10, 2013 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Metabolism of 0.35mg Norethindrone vs 5mg Norethindrone Acetate

NCT05294341
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone Acetate 5 MG, Norethindrone 0.35 MG
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 19, 2026, 10:05 PM EDT
Terminated Not applicable Interventional

The Effect of the Mini-pill on Blood Factors in Women at Increased Risk for Forming Blood Clots

NCT00580424
View directory record Official record
Conditions
Women's Health, Blood Coagulation Disorders
Interventions
Norethindrone
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 28, 2010 · Synced Oct 19, 2026, 10:05 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 4, 2025 · Synced Oct 19, 2026, 10:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of IW-3718 on the Pharmacokinetics of Oral Contraceptive, Levothyroxine, Glyburide, and Digoxin in Healthy Adult Volunteers

NCT03856970
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Microgestin®, Levothyroxine, Glyburide, Digoxin, IW-3718
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 19, 2026, 10:05 PM EDT