Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 24, 2026, 6:29 PM EDT

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Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Etonogestrel Contraceptive Implant, Bothersome Bleeding
Interventions
Norethindrone acetate
Drug
Lead sponsor
Norton Healthcare
Other
Eligibility
Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Endometriosis
Interventions
Cabergoline, Norethindrone acetate
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study of Danicopan

NCT04709094
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
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Metabolism of 0.35mg Norethindrone vs 5mg Norethindrone Acetate

NCT05294341
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
Conditions
Birth Control, Contraception, Implant, Breakthrough Bleeding, Uterine Bleeding
Interventions
Norethindrone acetate (NTA), Placebo
Drug
Lead sponsor
Baylor Research Institute
Other
Eligibility
14 Years to 48 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Temple, Texas
Conditions
Heavy Menstrual Bleeding, Menorrhagia, Hypermenorrhea
Interventions
Norethindrone acetate pretreatment, No pretreatment
Drug · Other
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Temple, Texas
Conditions
Heavy Menstrual Bleeding, Bleeding Disorder, Von Willebrand Diseases
Interventions
Levonorgestrel Intrauterine System, Norethindrone Acetate
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
10 Years to 24 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
9
States / cities
Palo Alto, California • Aurora, Colorado • Atlanta, Georgia + 5 more
Conditions
Endometriosis
Interventions
Norethindrone acetate + estrogens, norethindrone acetate + placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 22 Years · Female only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Endometriosis
Interventions
Naltrexone, Norethindrone Acetate, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hershey, Pennsylvania
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