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About
The goal of this study is to find out if pregnant individuals with preterm preeclampsia (PE) who are treated with metformin can stay pregnant for longer, and if this is safe(r) for the mother and child. Preterm PE affects about 1 in 100 pregnant individuals in the Netherlands. Signs of preterm PE can be high blood pressure and protein in the urine in the second half of pregnancy (but before 32-34 weeks of pregnancy). Other symptoms can develop, such as problems with blood clotting and how well the blood cells, liver, lungs, and brain work. The disease can lead to serious complications for both the mother and child. The only way to cure preterm PE is to make sure the child is born, and many times, children have to be delivered (very) early (before 37 weeks). Children born (very) early can suffer from infections, breathing difficulties, and problems in their development.
Metformin is a medicine used to treat high blood sugar during and outside of pregnancy. In a previous study in South Africa, women with preterm PE that used metformin were able to safely remain pregnant for an extra week. Similarly, the main goal of the Preeclampsia Intervention NetherLands (PI-NL) study is to see if patients with preterm PE in the Netherlands that use metformin can remain pregnant for a longer time than patients taking a placebo. A placebo is a look-a-like capsule that contains no active ingredients. Researchers, the treating medical team, and participants will not know which participant gets which treatment. In addition, all participants will receive the standard care that all preterm PE patients get.
Full description
Preterm preeclampsia (PE) is a severe hypertensive disorder of pregnancy and a major cause of maternal and perinatal morbidity and mortality. Currently, the only treatment to halt disease progression is delivery of the dysfunctional placenta and thereby the child. This often happens prematurely. Being able to safely (for mother and child) extend pregnancy, even by a few days, is expected to reduce the short- and long-term risks associated with (severe) prematurity. Preclinical and recent clinical evidence presents metformin, a drug commonly used to treat diabetes in and outside of pregnancy, as a promising treatment candidate for preterm PE. Metformin might reduce inflammation, oxidative stress, and anti-angiogenesis, and improve endothelial function. In a recent South African trial, use of metformin was associated with a safe median 7.6 day prolongation of pregnancy in women with preterm PE, compared to placebo. There was a nonsignificant increase in the neonatal birthweight and a decrease in the length of stay in any neonatal nursery. Metformin did not lead to any serious adverse events.
The goal of this multicenter, triple-blind, randomized placebo-controlled trial is to investigate whether metformin can safely prolong gestation in patients with preterm PE in the Dutch population. Secondary outcomes include composite adverse maternal, fetal, and neonatal outcomes. Cost-effectiveness of the treatment will be evaluated.
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180 participants in 2 patient groups, including a placebo group
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M. Khelil, MD; R.C. Painter, Prof, MD, PhD
Data sourced from clinicaltrials.gov
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