Study Stopped
We weren't seeing as many pregnancies we initially thought.
Study Comparing Emergency Contraception Effectiveness in Women Who Weight ≥ 80 kg
A Multi-center, Randomized Study of the Efficacy of Ulipristal Acetate (UPA) 30 mg, Levonorgestrel (LNG) 1.5 mg, and LNG 3.0 mg for Emergency Contraception (EC) in Women With Weight ≥ 80 kg
1 other identifier
interventional
532
1 country
18
Brief Summary
The proposed research study is a Phase IIb, multi-center, single-blind, randomized study of UPA 30 mg, LNG 1.5 mg and LNG 3.0 mg to evaluate EC effectiveness in women with weight ≥ 80 kg who present within 72 hours of unprotected intercourse.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jul 2018
Longer than P75 for phase_4
18 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 17, 2018
CompletedFirst Posted
Study publicly available on registry
May 25, 2018
CompletedStudy Start
First participant enrolled
July 12, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 20, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
April 20, 2022
CompletedNovember 20, 2025
August 1, 2024
3.8 years
April 17, 2018
November 17, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Incidence of pregnancies of UPA 30 mg, LNG 1.5 mg and LNG 3.0 mg in women with weight ≥ 80 kg for emergency contraception (within 72 hours of unprotected intercourse).
1-3 months
Secondary Outcomes (1)
Incidence of treatment emergent adverse events of UPA 30 mg, LNG 1.5 mg and LNG 3.0 mg in women with weight ≥80 kg seeking emergency contraception.
1-3 months
Study Arms (3)
UPA 30mg
ACTIVE COMPARATORLNG 1.5 mg
ACTIVE COMPARATORLNG 3.0
ACTIVE COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- Be in good general overall health with no chronic medical conditions that result in periodic exacerbations that require significant medical care.
- Between 18 and 40 years inclusive at the enrollment visit.
- Weight ≥ 80 kg.
- Have regular menstrual cycles that typically occur every 21-35 days when not using hormonal contraception.
- If subject is postpartum or post-abortal, she must have experienced a menstrual bleed since the pregnancy ended
- If a subject recently used non-injectable hormonal contraception, one bleeding episode consistent with menses must have occurred since last use;
- Willing to avoid use of any hormonal or intrauterine contraception until the end of the study;
- For women with a recent history of Depo Provera use, the most recent injection must have been at least 6 months before study entry, and the subject must have had at least one normal menstrual cycle (2 consecutive menses);
- Request emergency contraception within 72 hours (3 days) after unprotected coitus, as defined by lack of contraceptive use, condom breakage (including condoms lubricated with spermicide), or other barrier contraceptive method failure;
- Have a negative urine pregnancy test at time of screening
- Reports all acts of unprotected coitus since her prior menses are within 72 hours prior to enrollment;
- Willing to abstain from further acts of unprotected intercourse until the end of the study;
- Give voluntary, written informed consent, and agree to observe all study requirements including being available for follow up for at least the next 4 weeks;
- Accepts that the risk of pregnancy with oral EC is greater than that following placement of a copper IUD for EC.
You may not qualify if:
- Be currently pregnant (positive high-sensitivity urine pregnancy test);
- Be currently breastfeeding or within 30 days of discontinuing breastfeeding, unless the subject has already had a menses following discontinuation of breastfeeding;
- Desire to use hormonal systemic contraception within 5 days of study drug use
- Have had a female sterilization procedure;
- Have a partner with a history of vasectomy;
- Current inability to tolerate oral medication;
- Have impaired hypothalamic-pituitary-adrenal reserve or oral glucocorticoid replacement therapy in the last year.
- Have known liver disease;
- Have known liver abnormalities with elevated enzymes at least twice the upper limit of normal requiring use of liver enzyme inducers.
- Have known hypersensitivity to the active substance UPA or LNG, or any of the excipients of the study treatment.
- Have a current need for exogenous hormones.
- Have concomitant use of strong CYP3A4 inhibitors (as identified by the FDA) or inducers at the time of or planned use within 3 days of dosing;
- Use any medications that can interfere with the metabolism of hormonal contraceptives; take antibiotics that can interfere with metabolism of hormonal contraceptives at the time of or planned use within 3 days of dosing of the study drug; or use any drugs designated by the FDA as falling in the Pregnancy and Lactation narrative subsections (formerly Category D or X medications).
- Current or recent (within one month) participation in any other trial of an investigational medicine or device or planning to participate in another clinical trial during this study.
- Have a history of a bariatric surgery procedure associated with malabsorption.
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (18)
Essential Access Health
Los Angeles, California, 30010, United States
University of California, Davis
Sacramento, California, 95817, United States
University of California, San Francisco
San Francisco, California, 94110, United States
University of Colorado
Denver, Colorado, 80045, United States
University of Hawaii
Honolulu, Hawaii, 96826, United States
University of Chicago
Chicago, Illinois, 60637, United States
Johns Hopkins Bayview Medical Center
Baltimore, Maryland, 21224, United States
Planned Parenthood League of Massachusetts
Boston, Massachusetts, 02215, United States
Bellevue Hospital Center
New York, New York, 10016, United States
Columbia University
New York, New York, 10032, United States
University of Cincinnati-Holmes Hospital
Cincinnati, Ohio, 45267, United States
University Hospitals of Cleveland MacDonald Women's Hospital
Cleveland, Ohio, 44106, United States
Oregon Health Science University
Portland, Oregon, 97239, United States
University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
University of Pittsburgh/Magee Women's Hospital
Pittsburgh, Pennsylvania, 15213, United States
Women & Infants Hospital of Rhode Island
Providence, Rhode Island, 02905, United States
University of Utah
Salt Lake City, Utah, 84106, United States
Eastern Virginia Medical School
Norfolk, Virginia, 23507, United States
Related Publications (1)
Edelman A, Jensen JT, Brown J, Thomas M, Archer DF, Schreiber CA, Teal S, Westhoff C, Dart C, Blithe DL. Emergency contraception for individuals weighing 80 kg or greater: A randomized trial of 30 mg ulipristal acetate and 1.5 mg or 3.0 mg levonorgestrel. Contraception. 2024 Sep;137:110474. doi: 10.1016/j.contraception.2024.110474. Epub 2024 Apr 23.
PMID: 38663539DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Diana Blithe, PhD
NICHD Director
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Program Director
Study Record Dates
First Submitted
April 17, 2018
First Posted
May 25, 2018
Study Start
July 12, 2018
Primary Completion
April 20, 2022
Study Completion
April 20, 2022
Last Updated
November 20, 2025
Record last verified: 2024-08
Data Sharing
- IPD Sharing
- Will not share