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ClinicalTrials.gov public records Last synced Oct 23, 2026, 10:44 AM EDT

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Showing 337–360 of 529 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Contraception Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Unfavorable Bleeding Patterns in Contraceptive Implant Users

NCT02903121
View directory record Official record
Conditions
Bleeding, Implants, Breakthrough Bleeding
Interventions
Tamoxifen, Placebo, Tamoxifen (open label)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Oct 23, 2026, 10:44 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Combination Metformin and Oral Contraception for Polycystic Ovary Syndrome (PCOS)

NCT00682890
View directory record Official record
Conditions
Polycystic Ovary Syndrome, PCOS, Insulin Sensitivity
Interventions
placebo, metformin
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2014 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prostate Specific Antigen (PSA) and Acute Failure Modes Study of the PATH Woman's Condom and FC2 Female Condom

NCT01178840
View directory record Official record
Conditions
Birth Control
Interventions
WC then FC2, FC2 then WC
Device
Lead sponsor
CONRAD
Other
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2013 · Synced Oct 23, 2026, 10:44 AM 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 Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin B6 Supplementation and Mood States in College Women Taking Oral Contraceptives

NCT04070391
View directory record Official record
Conditions
Depression
Interventions
vitamin B6, control
Dietary Supplement · Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of St. John's Wort on the Effectiveness of Oral Contraceptives

NCT00026013
View directory record Official record
Conditions
Contraception
Interventions
hypericum perforatum
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy Trial of CDB 2914 for Emergency Contraception

NCT00271583
View directory record Official record
Conditions
Emergency Contraception
Interventions
CDB-2914, levonorgestrel
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
1,672 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2001
U.S. locations
6
States / cities
Los Angeles, California • Denver, Colorado • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2007 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Respecting the Circle of Life on Pregnancy Prevention Outcomes Among American Indian Adolescents

NCT02904629
View directory record Official record
Conditions
Sex, Unprotected Sex, Contraception, Alcohol Use, Drug Use, Pregnancy
Interventions
Respecting the Circle of Life (RCL), Control Program
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
11 Years and older
Enrollment
1,072 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Whiteriver, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 4 Interventional Results available

A Pilot Study of Early Postpartum Intrauterine Contraception

NCT00997932
View directory record Official record
Conditions
Unplanned Pregnancy
Interventions
Levonorgestrel-Releasing Intrauterine Contraceptive System (LNG-IUS), 52 Mg, 5 Year Duration
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Depo Provera Self-Administration Study: Putting a Patient-Centered Practice to the Test at Planned Parenthood

NCT02509767
View directory record Official record
Conditions
Contraception
Interventions
Subcutaneous depot medroxyprogesterone acetate
Drug
Lead sponsor
Planned Parenthood Federation of America
Other
Eligibility
15 Years to 44 Years · Female only
Enrollment
401 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Morristown, New Jersey • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex and Female Empowerment

NCT02197715
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Computer-adaptive SAFE, Face-to-face SAFE, Usual Care
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Peer Mentoring on Adolescent Contraceptive Decision Making

NCT02157285
View directory record Official record
Conditions
Peer Counseling, LARC Desire
Interventions
Peer Mentor Counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
13 Years to 21 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 6, 2014 · Synced Oct 23, 2026, 10:44 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Nexplanon Removal: Subcutaneous vs. Topical Lidocaine

NCT04467125
View directory record Official record
Conditions
Contraception
Interventions
Eutectic Lidocaine Prilocaine, Subcutaneous Lidocaine
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2020 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional

Assessing Satisfaction With Contraceptive Counseling Using Telephone Versus Video Telehealth Visits

NCT05317468
View directory record Official record
Conditions
Contraception, Health Care Utilization
Interventions
Contraceptive Counseling
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
14 Years and older · Female only
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 23, 2026, 10:44 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

#TranscendentHealth: A Text Messaging Pregnancy Prevention Program for Transgender Boys

NCT07681908
View directory record Official record
Conditions
Pregnancy (Unwanted), Sexually Transmitted Disease (STD), HIV Infection, Sexual Behavior
Interventions
#TranscendentHealth, Universal Sexual Health Program
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional

Randomized Trial of Advanced Provision Emergency Contraception Among Women With Gonorrhea or Chlamydia

NCT00520455
View directory record Official record
Conditions
Pregnancy
Interventions
levonorgestrel 0.75mg taken twice 12 hours apart (Plan B) and condoms
Drug
Lead sponsor
University of Washington
Other
Eligibility
16 Years to 60 Years · Female only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 15, 2007 · Synced Oct 23, 2026, 10:44 AM EDT
Completed No phase listed Observational

Quick Start of Highly Effective Contraception

NCT02076217
View directory record Official record
Conditions
IUD, Contraceptive Implant, Contraception, Birth Control, Emergency Contraception
Interventions
Copper T-380 IUD, LNG IUD, Contraceptive implant Nexplanon, Depo-Provera
Drug · Device
Lead sponsor
University of Utah
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 23, 2026, 10:44 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Obesity on Pharmacokinetics of the Levonorgestrel Emergency Contraceptive Pill

NCT02104609
View directory record Official record
Conditions
Obesity
Interventions
Levonorgestrel 1.5mg by mouth once
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Media Based Motivational Intervention to Prevent Alcohol Exposed Pregnancies (AEPs)

NCT00219336
View directory record Official record
Conditions
Alcohol Consumption, Fetal Alcohol Syndrome Disorders, Students
Interventions
Self-guided Motivational Intervention, Informational Only
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Contraceptive Effectiveness Trial of Cellulose Sulfate Gel

NCT00255294
View directory record Official record
Conditions
Contraception
Interventions
Cellulose sulfate vaginal gel
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2005 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Contraceptive Counseling in the United States

NCT02801266
View directory record Official record
Conditions
New Behavioral Protocol, Treatment as Usual
Interventions
Evidence informed birth control counseling
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
1,418 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PK of Depo SubQ Injected in the Upper Arm

NCT01143207
View directory record Official record
Conditions
Contraception
Interventions
Medroxyprogesterone acetate
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2013 · Synced Oct 23, 2026, 10:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Assess the Safety of a New Inserter Device for Paragard® (Intrauterine Copper Contraceptive)

NCT05309694
View directory record Official record
Conditions
Contraception
Interventions
Paragard® T380A Intrauterine Copper Contraceptive with New Inserter
Combination Product
Lead sponsor
CooperSurgical Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
8
States / cities
Denver, Colorado • South Miami, Florida • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 10:44 AM EDT
Completed No phase listed Observational

Feasibility of Immediate Postpartum Long-acting Reversible Contraception Implementation

NCT03774797
View directory record Official record
Conditions
Pregnancy Related
Interventions
Implementation Toolkit
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 23, 2026, 10:44 AM EDT