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WOMEN&More: Prospective phase III multi-center open-label study of the efficacy, safety, and acceptability of mifepristone 50 mg once-weekly as a contraceptive

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502694-41-00
Enrollment
1186
Registered
2025-02-28
Start date
2025-04-14
Completion date
Unknown
Last updated
2025-11-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Contraception

Brief summary

Occurrence of pregnancy during treatment caused by user and method failure (Overall Pearl Index)

Detailed description

Proportion of participants with endometrial thickness >15 mm, endometrium with irregular cystic appearance on US; with ALT, AST elevation three times above normal levels or bilirubin two times above normal levels; with adverse events / serious adverse events, Acceptability assessment: User failure, Depression, Sexual functioning, Use of antidepressants, Weight changes, Bleeding profile, Side effects, Acceptability, Proportion of participants either opting for an abortion or opting for continuing the pregnancy. In case of continuation: outcomes of pregnancies such as miscarriages, ectopic pregnancies, preterm labor, growth restriction and congenital abnormalities will be registered, Figures about liver functions below 3 x Upper Limit Normal (ULN) (ALT/AST) or below 2 x ULN (bilirubin) are unknown, as time to normalization

Interventions

DRUGMifepristone 50mg

Sponsors

Leiden University Medical Center
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
Occurrence of pregnancy during treatment caused by user and method failure (Overall Pearl Index)

Secondary

MeasureTime frame
Proportion of participants with endometrial thickness >15 mm, endometrium with irregular cystic appearance on US; with ALT, AST elevation three times above normal levels or bilirubin two times above normal levels; with adverse events / serious adverse events, Acceptability assessment: User failure, Depression, Sexual functioning, Use of antidepressants, Weight changes, Bleeding profile, Side effects, Acceptability, Proportion of participants either opting for an abortion or opting for continuing the pregnancy. In case of continuation: outcomes of pregnancies such as miscarriages, ectopic pregnancies, preterm labor, growth restriction and congenital abnormalities will be registered, Figures about liver functions below 3 x Upper Limit Normal (ULN) (ALT/AST) or below 2 x ULN (bilirubin) are unknown, as time to normalization

Countries

Netherlands

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026