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Clinical Trial Summary

In this study, the investigators will evaluate the blood pressure response to nifedipine and labetalol in pregnant and postpartum patients, who present with hypertensive disease in pregnancy with severe range blood pressure defined as greater than 160/110. These anti-hypertensives are first line therapy for management of severe range blood pressures in pregnancy and postpartum by the American Congress of Obstetricians and Gynecologist (ACOG). In addition at the Mount Sinai West site, the investigators will also analyze the ADRB1 and similar genes involved in beta blockade, genes involved in calcium channel blockade and other genes implicated in blood pressure response among pregnant and postpartum patients receiving labetalol and nifedipine. This analysis will be used to determine if a pharmacogenetic association exists between variant alleles in these receptors in the pregnant and postpartum population.


Clinical Trial Description

Hypertensive disease in pregnancy is a major cause of maternal morbidity and mortality. This condition is responsible for about 12% of the maternal deaths in the United States. Currently, if pregnant patients present with severe hypertension they are either given IV labetalol, IV hydralazine of nifedipine based on individual provider preference. There are few studies in the literature comparing oral nifedipine and IV labetalol with mixed data showing either they are equally effective or a faster time to achieving target blood pressure for patients who received nifedipine. In this study, the investigators will evaluate if there is a difference in time to achieve goal blood pressure in pregnant and postpartum patients who are treated with nifedipine and labetalol for severe range blood pressures defined as greater than 160/110. These anti-hypertensives are first line therapy for management of severe range blood pressures in pregnancy and postpartum by the American Congress of Obstetricians and Gynecologist (ACOG). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03506724
Study type Interventional
Source Icahn School of Medicine at Mount Sinai
Contact
Status Completed
Phase Phase 4
Start date September 11, 2017
Completion date April 5, 2019

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