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ClinicalTrials.gov public records Last synced May 22, 2026, 1:30 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 51 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Emergency Contraception Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Emergency Contraception
Interventions
Use Phase (Ulipristal Acetate, 30 mg)
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
Female only
Enrollment
1,270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
34
States / cities
Rancho Cucamonga, California • Boulder, Colorado • Denver, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Obesity, Contraception
Interventions
UPA-ECx1, UPA-ECx2
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced May 22, 2026, 1:30 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Levonorgestrel 0.15 milligram, Meloxicam 15 milligram, calcium carbonate 750 milligram
Drug · Other
Lead sponsor
InnovaGyn, Inc.
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections, Contraception, Pharmacokinetics
Interventions
levonorgestrel, efavirenz
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Denver, Colorado • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 14, 2013 · Synced May 22, 2026, 1:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Emergency Contraception
Interventions
ella
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
18 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced May 22, 2026, 1:30 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Levonorgestrel 1.5mg, Meloxicam 15 mg, Placebo
Drug · Other
Lead sponsor
InnovaGyn, Inc.
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced May 22, 2026, 1:30 AM EDT
Completed Early Phase 1 Interventional Results available
View directory record Official record
Conditions
Contraception
Interventions
ENG implant, oral ulipristal acetate
Device · Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception, Body Weight
Interventions
ECx1, ECx2
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Contraception
Interventions
CDB-2914, Levonorgestrel
Drug
Lead sponsor
HRA Pharma
Industry
Eligibility
16 Years and older · Female only
Enrollment
2,221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
23
States / cities
Los Angeles, California • Santa Monica, California • Boulder, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced May 22, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception, Adolescent Behavior, Emergency Department
Interventions
Multi-Level Intervention, Enhanced Standard of Care
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
15 Years to 18 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Kansas City, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception
Interventions
Ulipristal Acetate, Levonorgestrel (LNG)/Ethinyl estradiol birth control pill
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Emergency Contraception
Interventions
DR-104
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
11 Years to 16 Years · Female only
Enrollment
343 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
5
States / cities
San Francisco, California • Atlanta, Georgia • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2012 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception, Pregnancy
Interventions
emergency contraception (estrogen/progesterone)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
15 Years to 39 Years · Female only
Enrollment
1,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Obesity
Interventions
Levonorgestrel-based emergency contraception 1.5 mg, Levonorgestrel-based emergency contraception 3.0mg
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced May 22, 2026, 1:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
Increased access to emergency contraceptive pills
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
14 Years to 24 Years · Female only
Enrollment
1,490 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
2
States / cities
Reno, Nevada • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 22, 2026, 1:30 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Contraception, Contraceptive Usage, Reproductive Issues
Interventions
Ulipristal Acetate
Drug
Lead sponsor
Northwestern University
Other
Eligibility
16 Years to 40 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception
Interventions
LNG-EC, UPA-EC
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers
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 16, 2007 · Synced May 22, 2026, 1:30 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Emergency Contraception, Contraception
Interventions
Depot-Medroxyprogestereone Acetate
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
30 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 4, 2020 · Synced May 22, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pregnancy
Interventions
Copper T380 IUD, levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 21, 2014 · Synced May 22, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Contraception Behavior
Interventions
Education Arm
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 21 Years · Male only
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced May 22, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Reproductive Behavior, Sexual Behavior, Adolescent Behavior, Contraception
Interventions
Dr. Erica
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced May 22, 2026, 1:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Trichomonas Vaginitis, Chlamydia Trachomatis, Neisseria Gonorrhoeae Infection
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
15 Years and older · Female only
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced May 22, 2026, 1:30 AM EDT
Completed No phase listed Observational
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 5, 2026 · Synced May 22, 2026, 1:30 AM EDT