Could a hormone pill shorten the wait after a missed miscarriage?
NCT ID NCT07753655
First seen Aug 07, 2026 · Last updated Aug 07, 2026
Summary
This trial tests whether taking letrozole before misoprostol shortens the time to complete uterine evacuation in women with a missed abortion (a pregnancy loss where the embryo stops developing but remains in the uterus). About 74 women will be randomly assigned to receive either letrozole followed by misoprostol or misoprostol alone. The goal is to see if the pretreatment makes the medical evacuation faster and whether it is safe and effective compared to the standard approach.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- letrozole followed by misoprostol
- What this could lead to
- If effective, this approach could shorten the time needed for medical evacuation, potentially improving the experience and safety for women with missed abortion.
- What could go wrong
- This is a small trial, and the benefit may be modest or not confirmed. Letrozole may also carry side effects, and results may not apply to all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 74 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 45 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Women aged 18 - 45 years. * Diagnosed with missed abortion confirmed by ultrasound (absent fetal heartbeat and/or no embryonic development). * Gestational age ≤ 12 weeks based on last menstrual period * Hemoglobin levels \>10 g/dL. * BMI ranging from 25 to 35 kg/m2. * Hemodynamically stable and no signs of infection. Exclusion Criteria: * Incomplete abortion, inevitable abortion, or threatened miscarriage. * Suspected ectopic pregnancy and molar pregnancy. * History of allergy or contraindication to misoprostol or letrozole. * Coagulopathy or use of anticoagulant medications. * Chronic medical diseases (e.g., uncontrolled diabetes, cardiovascular disease, liver or renal dysfunction). * Prior uterine surgery that contraindicates medical abortion (e.g., classical cesarean section, myomectomy with uterine entry). * Uterine anomalies. * Women unsure of LMP
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
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