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Misoprostol for Second Trimester Termination of Pregnancy

Mifepristone (RU 486) and Misoprostol for Second Trimester Termination of Pregnancy. A Comparison of Two Different Dose Regimens.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00945997
Acronym
MIMIS
Enrollment
176
Registered
2009-07-24
Start date
2000-10-31
Completion date
2005-03-31
Last updated
2009-07-24

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

Conditions

Termination of Pregnancy Second Trimester

Keywords

misoprostol, mifepristone, medical abortion, randomised controlled trial

Brief summary

To compare the efficacy of two different dose regimens of misoprostol administered vaginally in combination with mifepristone in second trimester termination of (non)viable pregnancy.

Detailed description

The study was designed as a prospective double blinded randomised controlled trial, comparing 200µg to 400 µg misoprostol given vaginally at four hour intervals, starting 36-48 hours after the oral administration of mifepristone 200 mg at a gestational age between 14 to 24 weeks.

Interventions

DRUGmisoprostol

mifepristone 200 mg followed by 200 µg misoprostol per vaginam 36- 48 hours later at 4 hourly intervals (with a maximum of 10 administrations in 48 hours) until the foetus was delivered.

Sponsors

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
16 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Women with a gestational age between 14 to 24 weeks, confirmed by ultrasound, requesting termination of pregnancy

Exclusion criteria

* No informed consent * Mifepristone allergy * Chronic adrenal gland failure * Kidney failure * Liver failure * Chronic use of corticosteroids * COPD not responsive to treatment * Cardiovascular disease * Glaucoma

Design outcomes

Primary

MeasureTime frame
Expulsion rate and the number of incomplete abortions warranting surgical evacuation of retained products of conception.8 weeks

Secondary

MeasureTime frame
time between the first administration of misoprostol to to delivery of the foetus48 hours

Countries

Netherlands

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026