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Showing 1–24 of 103 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral Contraceptive Pills Clear all
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 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Tranexamic Acid (TA) vs Combined Oral Contraceptive (COCP) Pilot Study

NCT01428713
View directory record Official record
Conditions
Menorrhagia
Interventions
Oral tranexamic acid, Oral Contraceptive Pills
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 21 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 10, 2026, 5:17 PM EDT
Withdrawn Phase 4 Interventional

Oral Microdose Lupron Versus Luteal Estradiol Trial in Poor Responder In Vitro Fertilization (IVF) Patients

NCT00826839
View directory record Official record
Conditions
Infertility
Interventions
Oral contraceptive pill and microdose lupron, E2 patch/antagonist
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Sep 10, 2026, 5:17 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 10, 2026, 5:17 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 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home-based Delivery of the Contraceptive Implant in Postpartum Guatemalan Women

NCT04005391
View directory record Official record
Conditions
Postpartum
Interventions
Offer of Participant's Choice of Contraception Method
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 35 Years · Female only
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Sep 10, 2026, 5:17 PM 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 4, 2019 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Continuous Oral Contraceptives and Doxycycline

NCT00480532
View directory record Official record
Conditions
Contraceptives, Oral
Interventions
Lybrel, Doxycycline, Oracea, Placebo, Doxycycline 100bid x5 days at the time of bleeding, Subantimicrobial doxycycline daily, placebo daily
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
2
States / cities
Honolulu, Hawaii • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 21, 2014 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Oral Contraceptives and Body Mass Index

NCT01170390
View directory record Official record
Conditions
Body Weight, Contraceptive Usage
Interventions
All participants (Aviane), Portia, Aviane
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 30, 2015 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Phase 3 Interventional

Safety of Estrogens in Lupus: Birth Control Pills

NCT00000420
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Ortho-Novum 777
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2003
U.S. locations
15
States / cities
Los Angeles, California • Chicago, Illinois • Shreveport, Louisiana + 11 more
Source: ClinicalTrials.gov public record
Updated May 2, 2013 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Oral Contraceptives, Insulin Resistance and Cardiovascular Risk Profile in Pre-Menopausal Women

NCT01475513
View directory record Official record
Conditions
Insulin Sensitivity, Cardiovascular Risk, Perimenopausal Disorder
Interventions
Ortho Cyclen®
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 10, 2026, 5:17 PM EDT
Completed No phase listed Observational Results available

A 6-month Observational Study on Combined Oral Contraceptives and Body Weight in Pre-Menopausal Women With Overweight or Obesity

NCT05061472
View directory record Official record
Conditions
Contraceptive Usage, Overweight or Obesity, Body Weight Changes, Appetitive Behavior, Eating Behavior
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Timeline
2022 – 2023
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional

Evaluating Household Visits and Small Groups to Increase Contraception Use Among Married Adolescent Girls in Rural Niger

NCT03226730
View directory record Official record
Conditions
Contraception
Interventions
Household Visits, Small Groups
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
13 Years and older
Enrollment
2,898 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional

Treatment of Non-Gestational Acute Uterine Bleeding: A Randomized Trial

NCT00350480
View directory record Official record
Conditions
Uterine Hemorrhage, Menorrhagia
Interventions
Provera, Combination Birth Control pills
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 10, 2026, 5:17 PM 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 24, 2009 · Synced Sep 10, 2026, 5:17 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Optimizing Ovulation Induction in the Poor Responder

NCT01200537
View directory record Official record
Conditions
IVF Poor Responders
Interventions
Estradiol, Oral Contraceptive Pills (OCP)
Drug
Lead sponsor
Duke University
Other
Eligibility
20 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 10, 2026, 5:17 PM EDT
Not listed Not applicable Interventional

Tipping Point: Using Social Network Theory to Accelerate Scale and Impact

NCT05777473
View directory record Official record
Conditions
Contraception
Interventions
Household Visits, Small Groups, Adopt-a-Friend
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
15 Years and older
Enrollment
3,825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Sep 10, 2026, 5:17 PM EDT
Terminated Phase 4 Interventional Results available

Treatment of Unacceptable Bleeding Patterns in ETG Implant Users With an Oral Contraceptive

NCT01963403
View directory record Official record
Conditions
Abnormal Uterine Bleeding, Unspecified, Uterine Bleeding Heavy
Interventions
EE 30mcg/LNG 150mcg, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
14 Years and older · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Sacramento, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 10, 2026, 5:17 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 10, 2026, 5:17 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Norgestrel 75 mcg on Cervical Mucus and Ovarian Activity During Perfect Use, After One Delayed Intake and After a Missed Pill

NCT03585712
View directory record Official record
Conditions
Contraception
Interventions
Norgestrel 0.075 mg
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Sacramento, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 10, 2026, 5:17 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 19, 2017 · Synced Sep 10, 2026, 5:17 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 10, 2026, 5:17 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Does Concomitant Use of Combined Oral Hormonal Steroids Stop Bleeding in Women Using Etonogestrel Implants (Implanon/Nexplanon®)?: A Randomized Controlled Study

NCT01968135
View directory record Official record
Conditions
Uterine Hemorrhage, Contraception
Interventions
Combined Oral Contraceptive Pill, Placebo Sugar Pill
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 4, 2016 · Synced Sep 10, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of GnRH Antagonist vs Agonist Long on IVF Outcome, Peak Estradiol Level,and Duration of Stimulation

NCT01669291
View directory record Official record
Conditions
Fertility
Interventions
Bravelle and Menopur, Agonist, Antagonist
Drug
Lead sponsor
Main Line Fertility Center
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bryn Mawr, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2014 · Synced Sep 10, 2026, 5:17 PM EDT