4.2 Article

The impact of low-dose aspirin on markers of inflammation and placental function: an ancillary study of the ASPIRIN trial

Journal

JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
Volume 35, Issue 25, Pages 6901-6905

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/14767058.2021.1929160

Keywords

Maternal serum alpha-fetoprotein (MSAFP); preterm birth; aspirin; preclampsia; fetal growth restriction

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The study aimed to determine the impact of low-dose aspirin on markers of maternal inflammation and placental function. Results showed that women who received low-dose aspirin had lower levels of Alpha Feto-Protein (AFP) in early pregnancy compared to those who received a placebo.
Objective To determine the impact of low-dose aspirin (81 mg) on markers of maternal inflammation and placental function. Setting Rural Southern India Population Nulliparous women with a singleton pregnancy dated by ultrasound who were enrolled in the ASPIRIN (Aspirin Supplementation for Pregnancy Indicated risk Reduction In Nulliparas) Trial. Methods We performed a case-control study to elucidate the impact of low dose aspirin (LDA) on markers of placental function and maternal inflammation among women who delivered prematurely compared to term controls in women enrolled in the ASPIRIN trial. Women were prospectively enrolled in an ancillary observational trial wherein maternal serum was collected and measured between 10 to 13 weeks and 17 to 21 weeks of gestation after initiation of aspirin or an identical placebo. Results From 2016-18 with a total of 666 n women enrolled in this ancillary trial of whom 269 were selected for analyte analysis. Women who received LDA had lower levels of Alpha Feto-Protein (AFP) at 10 to 13 weeks than women who received placebo (Placebo) (LDA 18.3 ng/mL vs 21.4 ng/mL -P 0.001). AFP was similar between the two groups at 17 to 21 weeks. No other differences were seen in C-Reactive protein or Anti-Mullerian Hormone. Conclusion Low-dose aspirin administration lowers AFP early in pregnancy.

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