Clinical Trial

Disparities in Emergency Contraceptive Metabolism Dictate Efficacy

Recruiting Phase 4
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Summary
The purpose of this study is to learn more about why some people are at greater risk for oral emergency contraceptive failure while others are not. The investigators want to learn if genetic differences impact the risk of emergency contraception failure.
Protocol Amendment History 4 amendments
This ClinicalTrials.gov record has been amended 4 times since 2023-01-04; most recent amendment 2026-07-08.
Status change: Not Yet Recruiting → Recruiting 2023-02-22
Trial Details
NCT Number NCT05674513
Lead Sponsor Oregon Health and Science University
Collaborators: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Conditions Contraceptive Usage
Enrollment 140 participants
Start Date 2023-01-09
Primary Completion 2026-12-31 (estimated)
Study Completion 2027-12-31 (estimated)
Updated on ClinicalTrials.gov 2026-07-09