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Antenatal Platelet Response On Aspirin and Correlation With HDP (Hypertensive Disorders of Pregnancy) — APROACH  

Preeclampsia Clinical Trial

Official title:
Antenatal Platelet Response On Aspirin and Correlation With HDP (Hypertensive Disorders of Pregnancy)

Clinical Trial Summary

This proposal has three aims to characterize the relationship between aspirin therapy, platelet function response, and prevention of hypertensive disorders of pregnancy (HDP) through a prospective, cohort study using pharmacokinetics, pharmacodynamics, pharmacogenomics and bioinformatics. The results of this proposal will provide necessary data for prospective study on individualized aspirin dose adjustment for prevention of HDP.

Clinical Trial Description

This proposal has four aims to characterize the relationship between aspirin therapy, platelet function response, and prevention of HDP through a prospective, cohort study using pharmacodynamics, pharmacogenomics and bioinformatics. The results of this proposal will provide necessary data for prospective study on individualized aspirin dose adjustment for prevention of HDP. Aim 1: Establish pharmacodynamic endpoints for aspirin in prevention of HDP Hypothesis: PFA-100 closure time and serum thromboxane/urinary dehydrothromboxane-B2 (dTX-B2) are pharmacodynamic markers of aspirin response and are predictive of HDP high risk pregnant patients. Aim 2: Explore aspirin pharmacogenetics by assessing the relationship between platelet receptor genotype, aspirin response, and prevention of HDP Hypothesis: Platelet receptor genotype is associated with race and may result in reduced platelet response to aspirin therapy, and increased incidence of HDP. Aim 3: Assess the utility of circulating microRNA as a marker of aspirin response in pregnancy and risk of HDP Hypothesis: Quantitative expression of selected miRNAs are biomarkers for response to aspirin therapy and risk of HDP. Aim 4: Evaluate aspirin pharmacokinetics/pharmacodynamics Hypothesis: Individual factors influence aspirin pharmacokinetics/pharmacodynamics and may impact individual dosing of aspirin ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04295850
Study type Observational
Source Thomas Jefferson University
Contact
Status Active, not recruiting
Phase
Start date August 21, 2020
Completion date July 30, 2023
View Details
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