RT Journal Article T1 Aspirin for Evidence-Based Preeclampsia Prevention trial: influence of compliance on beneficial effect of aspirin in prevention of preterm preeclampsia. A1 Wright, David A1 Poon, Liona C A1 Rolnik, Daniel L A1 Syngelaki, Argyro A1 Delgado, Juan Luis A1 Vojtassakova, Denisa A1 de Alvarado, Mercedes A1 Kapeti, Evgenia A1 Rehal, Anoop A1 Pazos, Andrea A1 Carbone, Ilma Floriana A1 Dutemeyer, Vivien A1 Plasencia, Walter A1 Papantoniou, Nikos A1 Nicolaides, Kypros H K1 Aspirin for Evidence-Based Preeclampsia Prevention trial K1 aspirin K1 compliance K1 first-trimester screening K1 mean arterial blood pressure K1 placental growth factor K1 prediction K1 preeclampsia K1 pregnancy-associated plasma protein A K1 pyramid of pregnancy care K1 treatment effect K1 uterine artery Doppler AB The Aspirin for Evidence-Based Preeclampsia Prevention trial was a multicenter study in women with singleton pregnancies. Screening was carried out at 11-13 weeks' gestation with an algorithm that combines maternal factors and biomarkers (mean arterial pressure, uterine artery pulsatility index, and maternal serum pregnancy-associated plasma protein A and placental growth factor). Those with an estimated risk for preterm preeclampsia of >1 in 100 were invited to participate in a double-blind trial of aspirin (150 mg/d) vs placebo from 11-14 until 36 weeks' gestation. Preterm preeclampsia with delivery at 1 in 100 were invited to participate in a double-blind trial of aspirin (150 mg/d) vs placebo from 11-14 until 36 weeks' gestation. Preterm preeclampsia with delivery at We sought to examine the influence of compliance on the beneficial effect of aspirin in prevention of preterm preeclampsia in the Aspirin for Evidence-Based Preeclampsia Prevention trial. This was a secondary analysis of data from the trial. The proportion of prescribed tablets taken was used as an overall measure of compliance. Logistic regression analysis was used to estimate the effect of aspirin on the incidence of preterm preeclampsia according to compliance of Preterm preeclampsia occurred in 5/555 (0.9%) participants in the aspirin group with compliance ≥90%, in 8/243 (3.3%) of participants in the aspirin group with compliance The beneficial effect of aspirin in the prevention of preterm preeclampsia appears to depend on compliance. YR 2017 FD 2017-09-06 LK http://hdl.handle.net/10668/11568 UL http://hdl.handle.net/10668/11568 LA en DS RISalud RD Apr 7, 2025