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ClinicalTrials.gov public records Last synced Sep 30, 2026, 10:38 PM EDT

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Showing 25–48 of 77 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Levonorgestrel/ethinyl estradiol Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, PK, ECG Effects, Food Effect, and Drug-drug Interaction (DDI) of Hormonal Contraceptives of PTI-428 in Healthy Female Volunteers

NCT02846142
View directory record Official record
Conditions
Healthy Volunteer
Interventions
PTI-428, Placebo, ethinyl estradiol and levonorgestrel
Drug · Other
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 4 Interventional Results available

Medical Therapy Versus Radiofrequency Endometrial Ablation in the Initial Treatment of Menorrhagia

NCT01165307
View directory record Official record
Conditions
Menorrhagia
Interventions
Estradiol 30mcg / Levonorgestrel 150mcg monophasic oral contraceptive pills, Naproxen sodium pills, NovaSure® Radiofrequency Endometrial Ablation
Drug · Device
Lead sponsor
Abimbola Famuyide
Other
Eligibility
30 Years to 55 Years · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 20, 2017 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Interaction Study of BIIB074 and an Oral Contraceptive Regimen

NCT03324685
View directory record Official record
Conditions
Drug Interactions
Interventions
BIIB074, OC (ethinyl estradiol and levonorgestrel)
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Effect of ITCA 650 on the PK/PD of Oral Contraceptive in Healthy Female Subjects

NCT02641990
View directory record Official record
Conditions
Healthy Adult Premenopausal Female Volunteers
Interventions
ITCA 650 20/60 mcg/day, ITCA placebo, ITCA placebo, ITCA 650 20/60 mcg/day
Drug
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Multicenter Study to Evaluate the Effects of a 91-day Oral Contraceptive on Bone Mineral Density in Adolescent Females

NCT00924560
View directory record Official record
Conditions
Bone Mineral Density
Interventions
91-day Levonorgestrel Oral Contraceptive, 28-day Levonorgestrel Oral Contraceptive
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
12 Years to 18 Years · Female only
Enrollment
1,361 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
46
States / cities
Phoenix, Arizona • Tucson, Arizona • North Little Rock, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2014 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Pharmacokinetics of Ethinyl Estradiol and Levonorgestrel When Given Alone and in Combination With Baxdrostat in Healthy Females of Non-childbearing Potential

NCT06657105
View directory record Official record
Conditions
Healthy Participants
Interventions
EE/LNG, Baxdrostat
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine the Effects of PF-04965842 on the Pharmacokinetics of Oral Contraceptive Steroids in Healthy Female Subjects

NCT03662516
View directory record Official record
Conditions
Healthy Females
Interventions
PF-04965842, Ethinyl estradiol (EE) and levonorgestrel (LN)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Multicenter Study to Evaluate the Safety of Seasonique, an Oral Contraceptive.

NCT00196352
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel/EE 0.15/0.03 mg and EE 0.01 mg tablets
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
11
States / cities
Tucson, Arizona • Washington D.C., District of Columbia • Lincoln, Nebraska + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic Study of AG200-15 Transdermal Patch to Three Anatomical Sites in Healthy Females

NCT01422135
View directory record Official record
Conditions
Healthy
Interventions
AG200-15
Drug
Lead sponsor
Agile Therapeutics
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Lincoln, Nebraska • Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of GSK3640254 on the Pharmacokinetics of a Combination Oral Contraceptive

NCT03984825
View directory record Official record
Conditions
HIV Infections
Interventions
GSK3640254, Portia
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug Drug Interaction Study Between PF-06826647 And Oral Contraceptive Steroids In Healthy Female Participants

NCT04134715
View directory record Official record
Conditions
Healthy
Interventions
PF-06826647, Oral Contraceptive (OC)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 2 Interventional

Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer

NCT00033358
View directory record Official record
Conditions
Endometrial Cancer
Interventions
medroxyprogesterone, ethinyl estradiol, norgestrel, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Ovarian Follicular Activity and Hormone Levels for DR-102 Compared to Two 28-Day Oral Contraceptives

NCT01291004
View directory record Official record
Conditions
Follicle Development, Ovarian Follicle, Follicle Count, Follicle Size, Oral Contraceptive
Interventions
Desogestrel/ethinyl estradiol and ethinyl estradiol, 28-day drospirenone oral contraceptive, 28-day levonorgestrel oral contraceptive
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Obesity, Oral Contraception, and Ovarian Suppression

NCT00827632
View directory record Official record
Conditions
Ovarian Suppression
Interventions
Low dose formulation, High dose formulation
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 30, 2026, 10:38 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 31, 2019 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

STUDY TO EVALUATE THE EFFECT OF PF-06882961 ON SINGLE DOSE ATORVASTATIN, MEDAZOLAM AND ORALCONTRACEPTIVE PHARMACOKINETICS IN HEALTHY ADULT PARTICIPANTS

NCT05093205
View directory record Official record
Conditions
Healthy Adults
Interventions
PF-06882961, Atorvastatin, Midazolam, Levonorgestrel & Ethinyl Estradiol
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hormonal Birth Control and the Risk of Acquiring HIV

NCT00006324
View directory record Official record
Conditions
HIV Infections
Interventions
Ethinyl estradiol/levonorgestrel, Medroxyprogesterone acetate
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
16 Years to 35 Years · Female only
Enrollment
6,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

US Cycle Control and Blood Pressure Study

NCT00920985
View directory record Official record
Conditions
Contraception
Interventions
Gestodene/EE (FC Patch Low, BAY86-5016), Oral contraceptive (equivalent to the active treatment tablets of Levlite), 21-day blister SH D00593A
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
28
States / cities
Chandler, Arizona • Glendale, Arizona • Phoenix, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2015 · Synced Sep 30, 2026, 10:38 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Teen Vulnerability to Irritability: Brain and Estrogen Changes

NCT07544966
View directory record Official record
Conditions
Depression - Major Depressive Disorder, Irritability
Interventions
Kurvelo, Placebo COC
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 16 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 30, 2026, 10:38 PM EDT
Withdrawn Phase 4 Interventional

Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery

NCT01941134
View directory record Official record
Conditions
Bariatric Surgery Candidate, Contraception
Interventions
ethinyl estradiol-levonorgestrel
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Postmarketing Open-Label Study to Assess Residual Levonorgestrel (LNG) and Ethinyl Estradiol (EE) Content of TWIRLA® (Levonorgestrel and Ethinyl Estradiol) Transdermal System

NCT07739589
View directory record Official record
Conditions
Residual Drug Amount of EE and LNG
Interventions
Twirla® (Levonorgestrel/Ethinyl Estradiol) Transdermal System
Drug
Lead sponsor
Insud Pharma
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Transdermal Contraceptive Delivery System (TCDS), Also Known as AG200-15 Patch Arm

NCT01236768
View directory record Official record
Conditions
Contraception
Interventions
AG200-15, Levora
Drug
Lead sponsor
Agile Therapeutics
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
Mobile, Alabama • Green Valley, Arizona • Tucson, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2017 · Synced Sep 30, 2026, 10:38 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 26, 2013 · Synced Sep 30, 2026, 10:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Impact of Multiple Doses of Itraconazole on AZD5004 in Healthy Participants and Multiple Doses of AZD5004 on Combined Oral Ethinyl Oestradiol and Levonorgestrel in Healthy Female Participants

NCT06942936
View directory record Official record
Conditions
Healthy Participants
Interventions
AZD5004, Itraconazole, EE/LNG
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 30, 2026, 10:38 PM EDT