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ClinicalTrials.gov public records Last synced Oct 17, 2026, 3:34 AM EDT

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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Loestrin Clear all
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 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of BMS-986195 Combined With an Oral Contraceptive (Ethinyl Estradiol/Norethindrone) in Healthy Female Patients

NCT03262740
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 20, 2020 · Synced Oct 17, 2026, 3:34 AM 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 30, 2011 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Fasting Conditions

NCT01340625
View directory record Official record
Conditions
Bioequivalence
Interventions
Norethindrone/Ethinyl Estradiol, Ovcon® 35 Fe
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated May 25, 2011 · Synced Oct 17, 2026, 3:34 AM 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 25, 2011 · Synced Oct 17, 2026, 3:34 AM 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 18, 2023 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of BMS-986165 Combined With an Oral Contraceptive (Ethinyl Estradiol/Norethindrone) in Healthy Female Patients

NCT03262727
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Oct 17, 2026, 3:34 AM 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 18, 2023 · Synced Oct 17, 2026, 3:34 AM 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 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Pharmacokinetic Drug-Drug Interactions of Lemborexant When Coadministered With an Oral Contraceptive, Famotidine, or Fluconazole in Healthy Subjects

NCT03451110
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Oct 17, 2026, 3:34 AM 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 22, 2013 · Synced Oct 17, 2026, 3:34 AM 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 4, 2012 · Synced Oct 17, 2026, 3:34 AM EDT
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 Oct 6, 2026 · Synced Oct 17, 2026, 3:34 AM 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 25, 2009 · Synced Oct 17, 2026, 3:34 AM 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 17, 2026 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Ovulation Incidence in Oral Contraceptive Users

NCT03106454
View directory record Official record
Conditions
Contraception, Ovulation
Interventions
Ethinyl Estradiol, Norethindrone acetate, ferrous fumarate, Norethindrone
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Pharmacokinetic Study of Colchicine With an Oral Contraceptive

NCT01040845
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 5, 2010 · Synced Oct 17, 2026, 3:34 AM 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 30, 2026 · Synced Oct 17, 2026, 3:34 AM EDT
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 26, 2016 · Synced Oct 17, 2026, 3:34 AM 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 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Drug-drug Interaction of BMS-986196 With Oral Contraceptives in Healthy Female Participants

NCT05891262
View directory record Official record
Conditions
Healthy Female Volunteers
Interventions
BMS-986196, Loestrin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oral Contraceptive (OC) Progestin Dose and Breast Proliferation

NCT00972439
View directory record Official record
Conditions
Oral Contraceptive
Interventions
Oral Contraceptive: Ortho-Novum® 1/35, Oral Contraceptive: Ovcon Fe®
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2018 · Synced Oct 17, 2026, 3:34 AM 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 7, 2016 · Synced Oct 17, 2026, 3:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study Between BMS-663068 and Oral Contraceptives in Healthy Female Volunteers (DDI)

NCT02480881
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Oral Contraceptive, Loestrin 1.5/30
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 17, 2026, 3:34 AM EDT