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Showing 1–24 of 140 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Combined Oral Contraceptive Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Assess the Effect of ABBV-722 on Ethinyl Estradiol and Levonorgestrel Drug Levels in Healthy Adult Female Participants

NCT07502417
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Ethinyl Estradiol + Levonorgestrel, ABBV-722
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 13, 2026, 6:43 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 13, 2026, 6:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Quantification of Immune Cells in Women Using Contraception (CHIC II)

NCT01873170
View directory record Official record
Conditions
HIV, Immune Cells (Mucosal and Systemic), Contraception
Interventions
levonorgestrel exposure, DMPA exposure, etonogestrel exposure, IUD insertion, subdermal contraceptive implant insertion
Drug · Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced Sep 13, 2026, 6:43 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 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Oral Contraceptive Pill (OCP)

NCT01063023
View directory record Official record
Conditions
Hepatitis C Virus
Interventions
Ortho Tri-Cyclen®, BMS-650032
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 24, 2011 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Effect of Suzetrigine (SUZ) on the Pharmacokinetics of Oral Contraceptives in Healthy Female Participants

NCT06820307
View directory record Official record
Conditions
Pain
Interventions
Suzetrigine, DRSP/EE, NGM/EE
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction - Oral Contraceptive

NCT00399685
View directory record Official record
Conditions
HIV Infections
Interventions
Ortho Tri-Cyclen LO, Ortho Cyclen, Ortho Cyclen + Efavirenz
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
San Diego, California • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-drug Interaction Study to Investigate the Effect of Coadministration of EDP-305 on the PK of a Combined Oral Contraceptive in Healthy Female Subjects

NCT03783897
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
EDP-305, Oral Contraceptive
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Potential Drug-Drug Interaction Between VH4524184 and Oral Contraceptive (Loestrin) in Healthy Adult Female Participants

NCT06310616
View directory record Official record
Conditions
HIV Infections
Interventions
VH4524184, Loestrin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 13, 2026, 6:43 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Interaction Between JNJ-64155806 and Ethinylestradiol/Drospirenone in Healthy Females

NCT03126097
View directory record Official record
Conditions
Healthy
Interventions
JNJ-64155806 150 mg, Ethinylestradiol/drospirenone 0.02 mg/3 mg, COCP Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 2 Interventional Results available

A Multicenter Study to Evaluate the Efficacy of a 91-Day Extended Cycle Oral Contraceptive for Menstrually-Related Migraine Headaches

NCT00781456
View directory record Official record
Conditions
Migraine
Interventions
91-day Levonorgestrel Oral Contraceptive, Placebo
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 34 Years · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
22
States / cities
La Mesa, California • San Diego, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized, Placebo-Controlled, Two-Period, Crossover Study to Evaluate the Effect of Lurasidone HCl on Oral Contraceptive Pharmacokinetics in Healthy Female Subjects

NCT00549666
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Lurasidone 40 mg, Placebo 40 mg, Ortho Tri-Cyclen
Drug
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2011 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Evaluation of the Pharmacokinetics of an Oral Contraceptive (Brevicon) When Co-administered With Albiglutide .

NCT01077505
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 13, 2026, 6:43 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of Vimseltinib on Pharmacokinetics of Combined Oral Contraceptive (Ethinyl Estradiol/Levonorgestrel)

NCT07539090
View directory record Official record
Conditions
Healthy Participants
Interventions
Vimseltinib, Combined Oral Contraceptive (COC) (ethinyl estradiol [EE]/levonorgestrel [LNG])
Drug
Lead sponsor
Deciphera Pharmaceuticals, LLC
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 13, 2026, 6:43 PM 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 18, 2020 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional

A Study of ABBV-295 Subcutaneous Injections to Assess Pharmacokinetics and Adverse Events in Healthy Adult Women Participants With Overweight or Obesity Taking Oral Contraceptives

NCT07414784
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ABBV-295, Levonorgestrel/Ethinyl Estradiol
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Anaheim, California • Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 4 Interventional Results available

Low Dose OC Therapy in Women With Polycystic Ovary Syndrome (PCOS): Impact of BMI on Hyperandrogenism

NCT01360996
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
3 mg DRSP/20 μg EE
Drug
Lead sponsor
Woman's
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Sep 13, 2026, 6:43 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 13, 2026, 6:43 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 13, 2026, 6:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Nexplanon Use in Women Primarily Choosing a Combined Oral Contraceptive

NCT04423055
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
3
States / cities
Sacramento, California • Denver, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 13, 2026, 6:43 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 13, 2026, 6:43 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 13, 2026, 6:43 PM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Contraceptive Efficacy of Relugolix Combination Therapy in Women With Uterine Fibroids or Endometriosis Who Are at Risk for Pregnancy

NCT04756037
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 13, 2026, 6:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess CYP3A4 Modulator, Oral Contraceptive, and pH Modifier Drug Interactions for ABI-H2158 in Healthy Adults

NCT04142762
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
ABI-H2158, Itraconazole, Rifampin, Midazolam, Ethinyl Estradiol / Levonorgestrel, Esomeprazole, Placebo matching oral contraceptive
Drug
Lead sponsor
Assembly Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Sep 13, 2026, 6:43 PM EDT