Maternal Preeclampsia clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT01648855 Completed - Preterm Birth Clinical Trials

Consequences of Antiangiogenic Factors Involved in Preeclampsia on Intra-uterine Growth Restricted Preterm Newborn

ANGIODYS

Start date: June 2012
Phase: N/A
Study type: Observational

Preeclampsia complicates about 2-7% of pregnancies and is a major contributor to maternal and neonatal morbidity and mortality worldwide. Imbalance between circulating angiogenic and antiangiogenic factors has emerged as a potential key pathway in the pathophysiology of preeclampsia. Patients with preeclampsia have a higher circulating concentration of antiangiogenic factors (ie, soluble vascular endothelial growth factor receptor-1 [sVEGFR- 1], also called soluble fms-like tyrosine kinase 1 [sFlt1]) and soluble endoglin (sEng)] and a lower maternal circulating concentration of free angiogenic factors (ie, vascular endothelial growth factor [VEGF] and placental growth factor [PlGF]) than patients with a normal pregnancy. Bronchopulmonary dysplasia is the main respiratory sequelae of preterm birth. Its rate increased in preterm infants born from mother with preeclampsia. Recent studies showed that bronchopulmonary dysplasia is consistently accompanied by a reduction in the number of small arteries and on abnormal distribution of vessels within the distal lungs. This is associated with reduced lung VEGF expression. The main objective of this population-based study, ie in intra uterine growth restricted preterm babies born before 30 weeks of gestational age, was to examine whether levels of sFlt1 at birth in maternal and umbilical cord blood and in the amniotic fluid is associated with an increased risk of BPD.