Independent directory Public ClinicalTrials.gov records United States
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 7, 2026, 4:00 AM EDT

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

Showing 25–37 of 37 matching trials from the live ClinicalTrials.gov search.
Conditions
Adenomyosis, Heavy Uterine Bleeding, Dysmenorrhea
Interventions
Ulipristal Acetate
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 51 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Contraception, Healthy Female
Interventions
Ulipristal acetate
Drug
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
18
States / cities
Los Angeles, California • Sacramento, California • San Francisco, California + 14 more
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

EC PK in Women With Normal and Obese BMI

NCT02689804
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
Recruiting Phase 4 Interventional Accepts healthy volunteers

Disparities in Emergency Contraceptive Metabolism Dictate Efficacy

NCT05674513
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
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy Trial of CDB 2914 for Emergency Contraception

NCT00271583
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
Conditions
Leiomyoma
Interventions
CDB-2914
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
33 Years to 50 Years · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Video Messaging About Emergency Contraception

NCT03774368
Conditions
Contraception
Interventions
Emergency contraception website, Emergency contraception video
Other
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Leiomyoma
Interventions
ulipristal acetate 20 mg, ulipristal acetate 10 mg, placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland
Conditions
Renal Function
Interventions
Ulipristal acetate
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 80 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
5
States / cities
Miami, Florida • Orlando, Florida • Saint Paul, Minnesota + 1 more
Conditions
Contraception, Bleeding
Interventions
Ulipristal Acetate, Placebo oral capsule
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers Results available

Clinical Follow-up and Outcomes of Pregnancies Exposed to Ella

NCT01569737
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
Conditions
Leiomyoma, Uterine Hemorrhage
Interventions
Ulipristal acetate (UPA), Placebo
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
61
States / cities
Mesa, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 54 more