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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Combined Oral Contraceptives Clear all
Completed Phase 3 Interventional Results available

Safety and Efficacy Of Drospirenone and Ethinyl Estradiol vs Placebo in the Treatment of Truncal Acne

NCT00722761
View directory record Official record
Conditions
Acne Vulgaris
Interventions
drospirenone and ethinyl estradiol, Placebo tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Desogestrel-containing COCP Pharmacokinetic Validation Study

NCT05002738
View directory record Official record
Conditions
Contraception
Interventions
Desogestrel and Ethinyl Estradiol Tablets
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Bleeding Patterns With Three Different Doses of DR-1031 Compared to Seasonale

NCT00394771
View directory record Official record
Conditions
Breakthrough Bleeding
Interventions
DR-1031, Seasonale®, Portia®
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
567 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
50
States / cities
Huntsville, Alabama • Tucson, Arizona • Little Rock, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2013 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Two Flexible Extended Regimens of BAY86-5300 (SH T00186D) in Comparison With the Conventional Regimen of YAZ

NCT00567164
View directory record Official record
Conditions
Contraception, Ovulation Inhibition, Contraceptives, Oral
Interventions
EE20/DRSP (BAY86-5300), EE20/DRSP (YAZ, BAY86-5300)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,887 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
85
States / cities
Montgomery, Alabama • Chandler, Arizona • Mesa, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2014 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate Suppression of the Pituitary-Ovarian Axis With Three Different Oral Contraceptive Regimens

NCT00117273
View directory record Official record
Conditions
Healthy
Interventions
Seasonale [levonorgestrel (LNG)/ethinyl estradiol (EE)], Seasonique (LNG/EE and EE), Portia (LNG/EE)
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Oral Contraceptive Efficacy and Body Weight

NCT00662454
View directory record Official record
Conditions
Contraception, Body Weight
Interventions
ethinyl estradiol / levonorgestrel
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Effects of CC-99677 on the Pharmacokinetics of an Oral Contraceptive in Healthy Female Participants

NCT04718636
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Oral Contraceptive (Ortho Tri-Cyclen or its generic equivalent), CC-99677
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Miami, Florida • Marlton, New Jersey • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 28, 2026, 9:23 PM EDT
Withdrawn No phase listed Observational

Pharmacokinetics, Pharmacodynamics and Cervicovaginal Lavage of Combined Oral Contraceptives and Raltegravir

NCT01597180
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
20 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Adrenal and Gonadal Hormone Replacement in Anorexia Nervosa

NCT00310791
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Hormone replacement therapy (estrogen/progestin), Placebo (Sugar Pill), Dehydroepiandrosterone (DHEA)
Drug · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 30 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Sep 28, 2026, 9:23 PM EDT
Terminated Phase 4 Interventional Results available

Protease Inhibitors and Combined Oral Contraceptive Pharmacokinetics and Pharmacodynamics

NCT02531321
View directory record Official record
Conditions
Contraception, HIV
Interventions
Levonorgestrel and Ethinyl Estradiol
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Sep 28, 2026, 9:23 PM EDT
Recruiting Not applicable Interventional

Hormonal Optimization: Late vs. Immediate Start After Discontinuation of Oral Contraceptives in Assisted Reproductive technologY (HOLIDAY)

NCT07225660
View directory record Official record
Conditions
Fertility Preservation
Interventions
OCP pause
Other
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Orange, Connecticut • Rockville, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 28, 2026, 9:23 PM 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 19, 2020 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

E4 FREEDOM (Female Response Concerning Efficacy and Safety of Estetrol/Drospirenone as Oral Contraceptive in a Multicentric Study) - United States/Canada Study

NCT02817841
View directory record Official record
Conditions
Contraception
Interventions
15 mg E4/3 mg DRSP
Drug
Lead sponsor
Estetra
Industry
Eligibility
16 Years to 50 Years · Female only
Enrollment
2,148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Sep 28, 2026, 9:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Contraceptive Safety and Effectiveness in Cystic Fibrosis

NCT04568980
View directory record Official record
Conditions
Cystic Fibrosis, Contraception
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
562 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Not applicable Interventional Results available

Metabolic Syndrome in PCOS: Precursors and Interventions

NCT00442689
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Metabolic Syndrome
Interventions
flutamide, ethinyl estradiol 35 mcg and drospirenone 3 mg, placebo
Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 4 Interventional Results available

Continuous Oral Contraceptive Treatment in Premenstrual Dysphoric Disorder (PMDD)

NCT00927095
View directory record Official record
Conditions
Premenstrual Dysphoric Disorder
Interventions
Continuous OC (EE/DROS), Intermittent OC (EE/DROS), placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2016 · Synced Sep 28, 2026, 9:23 PM 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 9, 2013 · Synced Sep 28, 2026, 9:23 PM 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 25, 2025 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 1 Interventional

A Study of LY3437943 in Postmenopausal Female Participants Who Are Overweight or Obese

NCT06039826
View directory record Official record
Conditions
Overweight
Interventions
LY3437943, Ethinyl Estradiol, Drospirenone
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
40 Years to 60 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
South Miami, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Compare Daily Ulipristal Acetate and Combined Oral Contraceptive Effects on Breast Epithelial Cell Proliferation

NCT02922127
View directory record Official record
Conditions
Contraception
Interventions
Ulipristal Acetate, Combined Oral Contraceptive Pill
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2020 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy and Safety Study for an Oral Contraceptive Containing Folate

NCT00468481
View directory record Official record
Conditions
Neural Tube Defects, Contraception, Oral Contraceptives (OC)
Interventions
Drospirenone/Ethinylestradiol/Methyltetrahydrofolate, Drospirenone/Ethinylestradiol (Yaz)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
9
States / cities
Anaheim, California • San Diego, California • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2014 · Synced Sep 28, 2026, 9:23 PM 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 24, 2023 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessing the Effect of Multiple Doses of Zibotentan on the Pharmacokinetics of Single Doses of Combined Oral Contraceptives in Healthy Female Participants of Non-childbearing Potential.

NCT05505162
View directory record Official record
Conditions
Healthy Female Participants
Interventions
Zibotentan, EE/LNG
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 28, 2026, 9:23 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Erenumab (AMG 334) Plus Combined Oral Contraceptive Drug Interaction Study in Healthy Females

NCT02792517
View directory record Official record
Conditions
Headache, Migraine
Interventions
Erenumab, Ethynil Estradiol/Norgestimate Oral Contraceptive
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
4
States / cities
Anaheim, California • Cypress, California • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Sep 28, 2026, 9:23 PM EDT