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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Norethindrone/ethinyl estradiol Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of BMS-986142 on the Pharmacokinetics of a Combined Oral Contraceptive (OC) Containing Ethinyl Estradiol (EE) and Norethindrone Acetate (NET) in Healthy Female Subjects

NCT02832180
View directory record Official record
Conditions
Arthritis
Interventions
OC containing EE and NET, BMS-986142
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Miami, Florida • Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Measuring the Effectiveness of BMS-986256 Combined With Oral Contraceptive in Healthy Female Participants

NCT04016753
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986256, Loestrin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
21 Years to 40 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Identifying Oxytocin Deficiency in Adults With Pituitary Disease

NCT06460948
View directory record Official record
Conditions
Arginine Vasopressin Deficiency, Oxytocin Deficiency
Interventions
Norethindrone Acetate-Ethinyl Estradiol
Drug
Lead sponsor
Elizabeth Austen Lawson
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of VX-407 on the Pharmacokinetics of Oral Contraceptives in Healthy Participants

NCT07074327
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
VX-407, LNG/EE, NGM/EE, NET/EE, DRSP/EE
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00391807
View directory record Official record
Conditions
Contraception
Interventions
Norethindrone acetate/ethinyl estradiol
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
66
States / cities
Phoenix, Arizona • Tempe, Arizona • Tucson, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 28, 2026, 6:10 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 23, 2019 · Synced Sep 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Treatment of Hyperandrogenism Versus Insulin Resistance in Infertile Polycystic Ovary Syndrome (PCOS) Women

NCT00704912
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Orlistat/Meal Replacement/Lifestyle Modification, Loestrin 1/20, Combination of treatments
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
Hershey, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 6, 2016 · Synced Sep 28, 2026, 6:10 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 Mar 31, 2013 · Synced Sep 28, 2026, 6:10 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Potential Drug-Drug Interactions of E2086 in Healthy Participants

NCT07766369
View directory record Official record
Conditions
Healthy Volunteers
Interventions
E2086
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 28, 2026, 6:10 PM EDT
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 21, 2013 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of VI-0521 on the Pharmacokinetics of Oral Contraceptive in Healthy Female Subjects

NCT00821496
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2009 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Contraceptive (OC) Estrogen Dose and Breast Proliferation

NCT01318005
View directory record Official record
Conditions
Oral Contraceptive
Interventions
Oral Contraceptive: Ortho-Novum® 1/35, Oral Contraceptive: Ovcon® 35, Oral Contraceptive: Microgestin Fe® 1/20
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 28, 2026, 6:10 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 28, 2019 · Synced Sep 28, 2026, 6:10 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Impact of Oral Contraceptives on GABA and Neurosteroids

NCT00656318
View directory record Official record
Conditions
Healthy
Interventions
oral contraceptive pill (OCP; OCPs)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Chronic Pain Risk Associated With Menstrual Period Pain

NCT02214550
View directory record Official record
Conditions
Cystitis, Interstitial, Dysmenorrhea, Migraine Disorders, Pelvic Pain, Endometriosis, Visceral Pain, Chronic Pain
Interventions
cyclic microgestin 1/20, continuous microgestin 1/20
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 28, 2026, 6:10 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT01344369
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 29, 2011 · Synced Sep 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM 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 28, 2026, 6:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Loestrin 24(24 Days of "Real" Pills) Fe Versus Loestrin 1/20 (21 "Real" Pills)

NCT00475189
View directory record Official record
Conditions
Pelvic Pain, Headaches, Emotional
Interventions
loestrin 24/4 vs loestrin 1/20, loestrin 1/20
Drug
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Sep 28, 2026, 6:10 PM EDT