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ClinicalTrials.gov public records Last synced May 22, 2026, 4:11 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Emergency Contraception Clear all
Completed Not applicable Interventional
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 14, 2007 · Synced May 22, 2026, 4:11 AM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant with oral levonorgestrel, Levonorgestrel intrauterine device, Copper T380A intrauterine device
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception Behavior
Interventions
Dr. Eric Digital Health Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 21 Years · Male only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced May 22, 2026, 4:11 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception
Interventions
Ulipristal Acetate, Levonorgestrel
Drug
Lead sponsor
Kimberly Myer
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
532 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
18
States / cities
Los Angeles, California • Sacramento, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced May 22, 2026, 4:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
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 17, 2019 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Ovulation, Luteal Development
Interventions
Celebrex, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced May 22, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Contraception
Interventions
Copper IUD, Levonorgestrel IUD
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
711 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
6
States / cities
Logan, Utah • Ogden, Utah • Orem, Utah + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced May 22, 2026, 4:11 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Emergency Contraception
Interventions
CDB-2914
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
17
States / cities
San Jose, California • Denver, Colorado • Miami, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced May 22, 2026, 4:11 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraceptive Usage
Interventions
Ulipristal acetate
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced May 22, 2026, 4:11 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Emergency Contraception
Interventions
Etonogestrel implant with Oral Levonorgestrel emergency contraception 1.5mg, Etonogestrel implant with oral placebo
Drug · Device
Lead sponsor
Lori Gawron
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced May 22, 2026, 4:11 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Post Partum
Interventions
Plan B (Levonorgestrel)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pregnancy in Adolescence, Counseling, Contraception Behavior
Interventions
Contraception Counseling
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
15 Years to 18 Years · Female only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Kansas City, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced May 22, 2026, 4:11 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Emergency Contraception, Healthy, Reproductive Age Women
Interventions
Etonogestrel/ethinyl estradiol contraceptive vaginal ring
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Postpartum, Pregnancy Related
Interventions
Postpartum Visit at 6 Weeks, Postpartum Visit at 2 Weeks
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pregnancy, Unplanned, Pregnancy; Accident
Interventions
Ulipristal acetate, levonorgestrel IUS
Drug · Device
Lead sponsor
Planned Parenthood of the St. Louis Region and Southwest Missouri
Other
Eligibility
14 Years to 45 Years · Female only
Enrollment
274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
3
States / cities
Atlanta, Georgia • Indianapolis, Indiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Contraception
Interventions
Contraceptive Training and Education, Placebo Nutrition Education
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
2,086 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced May 22, 2026, 4:11 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Levonorgestrel (LNG)
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older · Female only
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
7
States / cities
Chicago, Illinois • New York, New York • Chapel Hill, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced May 22, 2026, 4:11 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Preconception Care
Interventions
"video doctor," computer module
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
446 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 4, 2010 · Synced May 22, 2026, 4:11 AM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel 52 MG Intrauterine System
Drug
Lead sponsor
University of Utah
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
1,404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
8
States / cities
San Jose, California • Denver, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced May 22, 2026, 4:11 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception
Interventions
Drospirenone-only pill
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 8, 2023 · Synced May 22, 2026, 4:11 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception, Contraception Behavior
Interventions
Intervention Group, Control Group
Diagnostic Test · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 21 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced May 22, 2026, 4:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy
Interventions
Copper T380 IUD, Oral levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced May 22, 2026, 4:11 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel implant
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced May 22, 2026, 4:11 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Contraception
Interventions
ellaOne® (ulipristal acetate)
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
Female only
Enrollment
579 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
4
States / cities
Denver, Colorado • Lakewood, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced May 22, 2026, 4:11 AM EDT