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The effect of a single dose of mifepristone given midcycle on the pattern of menstrual bleeding

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN23968812
Enrollment
400
Registered
2003-05-22
Start date
2001-12-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Obstetrics and gynaecology: Menstrual bleeding Urological and Genital Diseases Obstetrics and gynaecology

Interventions

10 mg, 25 mg, 200 mg mifepristone or placebo

Sponsors

University of Edinburgh (UK)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Female volunteer aged 18-40 years inclusive 2. Prepared to use barrier methods for the duration of the study, already have an Intra-Uterine Device (IUD) in-situ, previously sterilised (subject or partner), or not requiring contraception 3. Regular menstrual cycles of between 25 to 35 days with no greater than three days variation in the past three months 4. Willing to provide written informed consent

Exclusion criteria

Exclusion criteria: 1. Those who have used any type of hormonal contraception within three months of starting the trial 2. Clinically relevant abnormal findings during the physical/gynaecological examination 3. Those who have breastfed in the past three months 4. Current treatment with corticosteroids 5. Treatment with an investigational drug within one month of inclusion 6. Long term use of any prescription drugs for a significant medical condition 7. Chronic alcoholism, drug abuse or any other condition associated with poor patient compliance 8. Undiagnosed vaginal bleeding 9. Other significant disease e.g. cardiovascular, renal or liver disease or malignancy, sufficient to interfere with the evaluation of the study

Design outcomes

Primary

MeasureTime frame
The length of the menstrual cycle and the pattern of menstrual bleeding.

Secondary

MeasureTime frame
Not provided at time of registration

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026