Pravastatin to Prevent Preeclampsia

  • End date
    Jun 28, 2031
  • participants needed
  • sponsor
    The George Washington University Biostatistics Center
Updated on 29 September 2021
premature birth


This study is a double-blind randomized placebo-controlled trial of 1,550 high-risk women to assess whether daily treatment with pravastatin administered early in pregnancy reduces the rate of a composite outcome of preeclampsia, fetal loss and maternal death. Women with a prior history of preeclampsia with preterm delivery less than 34 weeks will be randomized to pravastatin or placebo daily until delivery. Women will have monthly study visits during pregnancy, a follow-up visit at 6 weeks postpartum and children will have follow-up visits at 2 and 5 years of age.


Preeclampsia complicates approximately 3% to 5% of pregnancies and remains a major cause of maternal and neonatal morbidities and mortality. Women who experience preeclampsia in one pregnancy are at higher risk of developing preeclampsia in a subsequent pregnancy than those who have never experienced the condition. There is evidence from laboratory studies and clinical trials, as well as biological plausibility, to suggest that statins may prevent the development of preeclampsia by reversing various pathways associated with preeclampsia. Pravastatin has a favorable safety profile and pharmacokinetic properties.

The study is a randomized placebo-controlled multi-center clinical trial of 1,550 women with a prior history of preeclampsia that required delivery at less than 34 weeks, randomized to either 20mg pravastatin or an identical appearing placebo daily until delivery. Women with a singleton or twin gestation will be randomized between 12 weeks 0 days and 16 weeks 6 days will be followed monthly during pregnancy and then at 6 weeks postpartum. Children will have follow-up visits at 2 and 5 years of age to assess growth, cognition, behavior, motor skills, vision and hearing.

Condition Gestational Hypertension, labor complications, Pre-Eclampsia, Pregnancy Complications, Preeclampsia, maternal hypertension, toxemia of pregnancy
Treatment Placebo, Pravastatin
Clinical Study IdentifierNCT03944512
SponsorThe George Washington University Biostatistics Center
Last Modified on29 September 2021


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Inclusion Criteria

16 years or older at time of consent with ability to give informed consent
Single or twin gestation with cardiac activity in one or both fetuses. Higher order multifetal gestations reduced to twins, either spontaneously or therapeutically, are not eligible unless the reduction occurred by 13 weeks 6 days project gestational age
Gestational age at randomization between 12 weeks 0 days and 16 weeks 6 days based on clinical information and evaluation of the earliest ultrasound
Documented history (by chart or delivery/operative note review) of prior preeclampsia with delivery less than or equal to 34 weeks 0 days gestation in any previous pregnancy. If in the index pregnancy, the woman was induced by 34 weeks 0 days gestation and delivered within 48 hours in the same hospitalization, that woman would be eligible
Normal serum transaminase (AST/ALT) concentrations documented in the last 6 months

Exclusion Criteria

Monoamniotic gestation because of the risk of fetal demise
Known chromosomal, genetic or major malformations
Fetal demise or planned termination of pregnancy. Selective reduction by 13 weeks 6 days gestation, from triplets to twins or twins to singleton is not an exclusion
Contraindications for statin therapy
Hypersensitivity to pravastatin or any component of the product
Active liver disease: acute hepatitis or chronic active hepatitis
Statin use in current pregnancy
Patients with any of the following medical conditions
Uncontrolled hypothyroidism with a TSH level above 10 mIU/L, because of increased risk of myopathy
HIV positive, because of increased risk of myopathy with use of protease inhibitors
Chronic renal disease with baseline serum creatinine 1.5 mg/dL, because of association with adverse pregnancy outcomes
Current use of concomitant medication with potential for drug interaction with statins (i.e.,, cyclosporine, fibrates, niacin, erythromycin). Patients will not be excluded if the drug is discontinued (at least one week) prior to randomization
Participating in another intervention study that influences the primary outcome in this study
Plan to deliver in a non-network site
Participation in this trial in a previous pregnancy. Patients who were screened in a previous pregnancy, but not randomized, do not have to be excluded
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