Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:43 AM EDT

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Showing 1–24 of 89 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Endometriosis
Interventions
elagolix, estradiol/norethindrone acetate (E2/NETA)
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
37
States / cities
Anniston, Alabama • Tucson, Arizona • Little Rock, Arkansas + 30 more
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
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
Conditions
Healthy Subjects
Interventions
lemborexant, Loestrin, famotidine, fluconazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
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
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Non-Fasted Conditions

NCT01344369
Conditions
Healthy
Interventions
Norethindrone/Ethinyl Estradiol, FEMCON® Fe
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Houston, Texas
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
Conditions
Rheumatoid Arthritis
Interventions
BMS-986195, 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
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
South Miami, Florida • Salt Lake City, Utah
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
Conditions
Healthy
Interventions
ethinyl estradiol, norethindrone, VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 64 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Pharmacokinetic Study of Colchicine With an Oral Contraceptive

NCT01040845
Conditions
Pharmacokinetics
Interventions
Norethindrone/Ethinyl Estradiol, Colchicine, Placebo (for Colchicine)
Drug
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fargo, North Dakota
Conditions
Diabetes Mellitus, Type 2
Interventions
albiglutide, Oral contraceptive (Brevicon)
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Conditions
Uterine Hemorrhage, Menorrhagia
Interventions
Provera, Combination Birth Control pills
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Los Angeles, California
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
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 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00477633
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
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
Contraception
Interventions
Norethindrone 1 mg / ethinyl estradiol 20 mcg
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
25 Years to 40 Years · Female only
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
23
States / cities
Phoenix, Arizona • Tempe, Arizona • Carmichael, California + 18 more
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
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
Conditions
Heavy Menstrual Bleeding, Uterine Fibroids
Interventions
Elagolix, Estradiol /norethindrone acetate (E2/NETA), E2/NETA Placebo, Elagolix Placebo
Drug · Other
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
155
States / cities
Birmingham, Alabama • Dothan, Alabama • Fairhope, Alabama + 112 more
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Protease Inhibitors on the Pharmacokinetics of Oral Norethindrone Contraception

NCT01667978
Conditions
Pregnancy, HIV, AIDS
Interventions
Norethindrone acetate
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Los Angeles, California
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