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Prevention of Preeclampsia in Denmark: A National Implementation Study
Sponsor: Copenhagen University Hospital at Herlev
Summary
The goal of this clinical study is to learn if a new first-trimester screening program can better find pregnant women who are at high risk of developing preeclampsia and help prevent the condition with early treatment. Preeclampsia is a pregnancy condition that causes high blood pressure and can affect the mother's organs and the baby's growth. Early detection allows doctors to offer preventive treatment, such as low-dose aspirin, which may lower the risk of serious illness. The study includes pregnant women with a single pregnancy who attend their routine first-trimester scan at maternity hospitals in Denmark. The main questions it aims to answer are: Does the new screening program lower the number of women who develop preterm preeclampsia (preeclampsia before thirty-seven weeks of pregnancy)? Can the screening program be carried out safely and be acceptable for pregnant women and healthcare professionals? Researchers will gradually introduce the new screening program across hospitals and compare outcomes before and after the program starts. Women who are found to have a high risk of preeclampsia will be offered preventive treatment with low-dose aspirin. Participants will: Receive information about preeclampsia and the screening during their first-trimester visit Have their blood pressure measured and an ultrasound assessment of blood flow to the uterus during the routine scan Have routine blood samples analysed to estimate their personal risk of preeclampsia Be offered daily low-dose aspirin until late pregnancy if they are identified as high risk Continue standard pregnancy care while researchers follow pregnancy outcomes using national health records The study will help researchers understand whether this screening approach works in everyday care and whether it should become part of routine pregnancy care in Denmark.
Official title: Prevention of Preeclampsia in Denmark (PREPRED): A National Implementation Study
Key Details
Gender
FEMALE
Age Range
Any - Any
Study Type
OBSERVATIONAL
Enrollment
80000
Start Date
2025-09-15
Completion Date
2027-11
Last Updated
2026-03-20
Healthy Volunteers
Yes
Conditions
Interventions
First trimester screening for preeclampsia
Screening for preeclampsia using maternal factors, Mean arterial pressure, flow in the uterine arteries and Placental Growth Factor
Locations (3)
Aarhus University
Aarhus, Denmark
University of Copenhagen
Copenhagen, Denmark
University of Copenhagen
Hillerød, Denmark