Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 5, 2026, 7:37 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00932321
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
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
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