Courtesy: Preeclampsia Foundation |
Women who received
150 mg of aspirin daily had 62% reduced risk of developing preterm preeclampsia
(resulting in delivery before 37 weeks) and an 82% reduction in the rate of
early preeclampsia (resulting in delivery before 34 weeks) as compared to women
who received placebo reports the result of small randomized trial.
The results
of this Fetal Medicine Foundation’s (FMF’s) Project “ASPRE” was presented at
the 16th World Congress in Fetal Medicine, 25-29th June 2017, Ljubljana,
Slovenia as well as published online simultaneously in the New England Journal
of Medicine.
Combined Multi-Marker Screening and Randomised Patient
Treatment with Aspirin for Evidence-Based Pre-Eclampsia Prevention (ASPRE) is a
multicentre collaboration on the prediction and prevention of preeclampsia
sponsored by the Seventh Framework Programme of the European Union.
The FMF combined
PerkinElmer’s highly sensitive DELFIA® Xpress PlGF 1-2-3™ assay, which is
optimized for first trimester prediction of preeclampsia with mean arterial
pressure, uterine-artery pulsatility index, to identify 1776 women with
singleton pregnancies who were at high risk of developing preeclampsia.
The women
were randomized at 11 to 14 weeks of gestation to receive either aspirin 150 mg
per day, or placebo until 36 weeks of gestation and followed for delivery with
preeclampsia before 37 weeks of gestation.
After
randomization, 152 women did not want to participate and 4 were lost to
follow-up, so the aspirin group has 798 women and the placebo group has 822
women.
In an intent
to treat analysis it was seen that preterm preeclampsia occurred in 13 women
(1.6%) in aspirin group versus 35 women (4.3%) in the placebo group (P=0.004).
Other pregnancy
complications like miscarriages, still births, pregnancy termination and
neonatal deaths were comparable in both the groups, but the study was not
designed to test secondary outcomes.
The authors
concluded , “ This randomized trial showed that among women with singleton
pregnancies who were identified by means of first-trimester screening as being
at high risk for preterm preeclampsia, the administration of aspirin at a dose
of 150 mg per day from 11 to 14 weeks of gestation until 36 weeks of gestation
resulted in a significantly lower incidence of preterm preeclampsia than that
with placebo.”
Full Text of the article in NEJM can be accessed here.
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