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Fetal cardiovascular response to maternal corticosteroid administration: a comparison of dexamethasone versus betamethasone

Not Applicable
Completed
Conditions
Fetal cardiovascular status, and its correlation with neonatal outcome and long-term childhood neurosensory disability, following antenatal corticosteroids given to women at risk of preterm birth at less than 34 weeks gestation
Reproductive Health and Childbirth - Fetal medicine and complications of pregnancy
Registration Number
ACTRN12612000282886
Lead Sponsor
Dr Amanda Henry
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Female
Target Recruitment
50
Inclusion Criteria

Women are eligible for the trial if they are at risk of preterm birth at less than 34 weeks gestation, are aged 18-50, have a singleton or twin pregnancy, have no contraindications to the use of antenatal corticosteroids and give informed consent to both the A*STEROID trial and this trial.

Exclusion Criteria

Women are not eligible if they have chorioamnionitis requiring urgent delivery, a higher order multiple pregnancy, have already received antenatal corticosteroids, have known fetal lung maturation, are in the second stage of labour, have an abnormal morphology scan, are taking digoxin or pure beta-blocker, have psychiatric illness precluding informed consent, or have insufficient English for valid consent.

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Fetal middle cerebral artery pulsatility index measurement as measured by Doppler ultrasound.[Baseline (prior to corticosteroid administration), 24 hours (range 18-30 hours), 48 hours (range 42-54 hours), 96 hours (range 3-5 days), 7 days (range 7-10 days, prior to any repeat dose corticosteroid).];Fetal heart rate short term-variability on cardiotocograph.[Baseline (prior to corticosteroid administration), 24 hours (range 18-30 hours), 48 hours (range 42-54 hours), 96 hours (range 3-5 days), 7 days (range 7-10 days, prior to any repeat dose corticosteroid).]
Secondary Outcome Measures
NameTimeMethod
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