The effect of daily low dose mifepristone on the endometrium - study over four consecutive cycles

ISRCTN ISRCTN88271422
DOI https://doi.org/10.1186/ISRCTN88271422
Secondary identifying numbers G9523250
Submission date
25/10/2000
Registration date
25/10/2000
Last edited
12/09/2007
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Pregnancy and Childbirth
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Prof DT Baird
Scientific

Department of Obstetrics and Gynaecology, Centre for Reproductive Biology
University of Edinburgh
49 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SB
United Kingdom

Phone +44 (0)131 242 6200
Email dtbaird@ed.ac.uk

Study information

Study designRandomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeNot Specified
Scientific title
Study objectivesTo assess the effect of daily low dose mifepristone (2 mg or 5 mg) on the ovarian cycle, menstrual bleeding patterns, ovarian follicular growth and the endometrium over a four month period
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedObstetrics and gynaecology
InterventionLow dose mifepristone versus placebo.
Follow-up: all participants will attend for screening (on or before day 1 of the control cycle) and then on day 12 of the control cycle for endometrial biopsy and ultrasound scan. They will attend for study visits following 30, 60, 90 and 120 days of treatment, and also 30 days post-treatment.
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)mifepristone
Primary outcome measureAssessment include menstrual blood loss, urinary oestrogen and progesterone, ultrasound scanning, endometrial evaluation and clinical chemistry and haematology variables. Paired t-tests Wilcoxon signed rank and ANalysis Of VAriance (ANOVA) will be used as appropriate
Secondary outcome measuresNot provided at time of registration
Overall study start date01/03/1996
Completion date01/05/1997

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
Upper age limit40 Years
SexFemale
Target number of participants40
Key inclusion criteria1. Women aged 18-40 inclusive
2. Regular menstrual cycles
3. Willing and able to take part in the study
4. Prepared to use barrier contraception for the duration of the study
5. Those who are sterilised or whose partner is sterilised
6. Negative serum alpha HCG test before commencing the study (pregnancy test)
7. Written informed consent
Key exclusion criteria1. Those who have used hormonal contraception in the past three months, or depot hormones within six months of entering the trial
2. Those who have breastfed in the past three months
3. Those who have had an IUD in situ in the past three months
4. Long term use of any prescription drugs for a significant medical condition
5. History of cervical surgery which may make endometrial biopsy impossible
6. Pregnancy
7. Vaginal bleeding of unknown aetiology or intermenstrual bleeding
Date of first enrolment01/03/1996
Date of final enrolment01/05/1997

Locations

Countries of recruitment

  • Scotland
  • United Kingdom

Study participating centre

Department of Obstetrics and Gynaecology, Centre for Reproductive Biology
Edinburgh
EH16 4SB
United Kingdom

Sponsor information

Medical Research Council (MRC) (UK)
Research council

20 Park Crescent
London
W1B 1AL
United Kingdom

Phone +44 (0)20 7636 5422
Email clinical.trial@headoffice.mrc.ac.uk
Website http://www.mrc.ac.uk

Funders

Funder type

Research council

Medical Research Council (UK)
Government organisation / National government
Alternative name(s)
Medical Research Council (United Kingdom), UK Medical Research Council, MRC
Location
United Kingdom

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article Results 01/05/2004 Yes No