Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 8:16 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 194 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ethinyl Estradiol Clear all
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 9, 2014 · Synced Oct 24, 2026, 8:16 AM EDT
Terminated Phase 2 Interventional Results available

Therapeutic Effect of Desogestrel on Ventilatory Control in Patients With Congenital Central Hypoventilation Syndrome

NCT01500473
View directory record Official record
Conditions
Congenital Central Hypoventilation Syndrome
Interventions
Desogestrel
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 24, 2026, 8:16 AM EDT
Completed No phase listed Observational Results available

Oral Contraceptive Hormone-free Interval Pituitary/ Ovarian Activity

NCT01953211
View directory record Official record
Conditions
Hypothalamic-pituitary-ovarian Axis, Gonadotropins, Ethinyl Estradiol, Contraceptive Efficacy
Interventions
combined oral contraceptives
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
64 participants
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2019 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of PF-06651600 on the Pharmacokinetics of Oral Contraceptive Steroids

NCT04018274
View directory record Official record
Conditions
Healthy
Interventions
PF-06651600, Ethinyl estradiol (EE) and levonorgestrel(LN)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 24, 2026, 8:16 AM 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 6, 2014 · Synced Oct 24, 2026, 8:16 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Study in Women on the Effect of JNJ-64530440 on Oral Contraceptive and Midazolam, and the Effect of a High-fat Meal on JNJ-64530440

NCT03890341
View directory record Official record
Conditions
Healthy
Interventions
Drospirenone/Ethinylestradiol, Midazolam, JNJ-64530440
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

In Vivo Drug Interaction Pharmacokinetic Study of Tenofovir 1% Gel and Three Commonly Used Vaginal Products

NCT01813162
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir 1% gel, Vaginal product
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
San Francisco, California • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2015 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 2 Interventional Results available

Evaluating Pharmacokinetic Interactions With Vaginal Ring Contraceptives and ART

NCT01903031
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Nuvaring, EFV, ATV/r, TDF, NRTIs
Device · Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open-label Study to Evaluate the Effects of Concurrent Administration of Vaginal Antimycotic Medication Miconazole Nitrate on the Pharmacokinetics of Nestorone and Ethinyl Estradiol Delivered by a Contraceptive Vaginal Ring in Normal Ovulating Women

NCT02215395
View directory record Official record
Conditions
Antifungal Drug Adverse Reaction
Interventions
NES/EE CVR
Drug
Lead sponsor
Population Council
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Pharmacokinetics of a Combined Oral Contraceptive (COC) With and Without Obicetrapib

NCT06250205
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Obicetrapib, Obicetrapib + Drospirenone / Ethinyl Estradiol (COC), Drospirenone / Ethinyl Estradiol (COC)
Drug
Lead sponsor
NewAmsterdam Pharma
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 24, 2026, 8:16 AM EDT
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 5, 2013 · Synced Oct 24, 2026, 8:16 AM 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 31, 2017 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Safety and Efficacy of a Contraceptive Vaginal Ring Delivering Nestorone® and Ethinyl Estradiol

NCT00263341
View directory record Official record
Conditions
Contraception
Interventions
NES/EE CVR
Combination Product
Lead sponsor
Population Council
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2014
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 24, 2026, 8:16 AM 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 7, 2020 · Synced Oct 24, 2026, 8:16 AM 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 Oct 24, 2026, 8:16 AM 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 Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drospirenone/Ethinyl Estradiol (3 mg/0.02 mg) Tablets Under Non-Fasting Conditions

NCT01182207
View directory record Official record
Conditions
Healthy
Interventions
Drospirenone/Ethinyl Estradiol (Gianvi®), YAZ®
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 8, 2010 · Synced Oct 24, 2026, 8:16 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Hormone Replacement for Premature Ovarian Insufficiency

NCT02922348
View directory record Official record
Conditions
Primary Ovarian Insufficiency
Interventions
Hormone Replacement Therapy, Combined Oral Contraceptives
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Oral vs. Non-oral Contraceptives on the GH/IGF-1 Axis

NCT02367833
View directory record Official record
Conditions
Bone; Disorder, Development and Growth
Interventions
Combined Oral Contraceptive, Transdermal Contraceptive, Contraceptive Vaginal Ring
Drug
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of CTP-543 and Oral Contraceptives in Healthy Female Subjects

NCT04309643
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CTP-543, Combined oral contraceptive containing Ethinyl estradiol (EE) and Levonorgestrel (LNG)
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Oct 24, 2026, 8:16 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy of Seasonique for the Treatment of Cyclic Pelvic Pain

NCT00196313
View directory record Official record
Conditions
Dysmenorrhea
Interventions
levonorgestrel/EE 0.15/0.03 and EE 0.01 mg tablets, Placebo tablet
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
Up to 17 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
13
States / cities
Denver, Colorado • Decatur, Georgia • Louisville, Kentucky + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Oct 24, 2026, 8:16 AM 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 Oct 24, 2026, 8:16 AM EDT
Completed Phase 4 Interventional

Does Vaginal Delivery of Combined Hormonal Contraception Affect the Risk of Metabolic Syndrome in Overweight/Obese Women With PCOS

NCT04257500
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Etonogestrel/ethinyl estradiol vaginal ring
Drug
Lead sponsor
Andrea Roe, MD, MPH
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 24, 2026, 8:16 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 24, 2026, 8:16 AM EDT