Nifedipine XL Versus Placebo for the Treatment of Preeclampsia With Severe Features During Induction of Labor

This is a randomized double blind placebo controlled trial comparing Nifedipine 30mg XL to placebo in 110 patients after decision has been made to proceed with induction of labor for the diagnosis of preeclampsia with severe features.

After diagnosis of preeclampsia with severe features and decision made to proceed with induction of labor. Patients were approached about study and if consented then were then randomized to placebo or nifedipine 30XL daily until delivery occurred.

Inclusion criteria

• Women aged 18-45 with a viable single or twin intrauterine pregnancy between 22 0/7 and 41 6/7 weeks gestation based on the best obstetric estimate by The American College of Obstetricians and Gynecologists (ACOG) criteria.
• Diagnosis of preeclampsia with severe features with decision made to induce labor. The patient may or may not have already received acute treatment for severe blood pressures.

Exclusion criteria

• Known allergy or adverse reaction to Nifedipine or any medical condition where Nifedipine is contraindicated, such as galactose intolerance, severe gastrointestinal (GI) structure, and GI hypomotility disorder.
• Currently receiving Nifedipine XL as part of hypertension management prior to induction of labor
• Participation in another trial that affects the primary outcome without prior approval
• Physician/provider or patient refusal
• Participation in this trial in a prior pregnancy
• Triplet or higher order pregnancy