Cardiovascular Disease Clinical Trial
Official title:
Genetic Basis for Prediction of Non-responders to Dietary Plant Sterol Intervention
The objective of this study is to utilize information on associations between genetic predisposition pertaining to multiple single nucleotide polymorphisms (SNPs) and the degree of responsiveness of low-density lipoprotein cholesterol (LDL-C) lowering to plant sterols (PS). The predictive potential of SNPs associated with PS responsiveness will be evaluated using a randomized human intervention trial examining responsiveness of lowering blood LDL-C levels to PS intervention.
On average plant sterol (PS) consumption of 2-3 grams a day leads to a ~10% decrease in low-density lipoprotein cholesterol (LDL-C). However, inter-individual response to PS consumption varies, with some individuals showing low or no reductions in LDL-C levels, while some even showing an increase in levels. Determining factors that predict the direction of response of LDL-C to PS would be helpful in identifying individuals who should consume PS and individuals who should seek another method of treating hypercholesterolemia. The objective of this research proposal is to test the a priori predictive potential of a combination of three single nucleotide polymorphisms (SNPs), i.e., genosets, previously associated with response to PS in a post-hoc manner. A clinical trial with a priori recruitment of participants based on genoset which will test LDL-C response to PS consumption using a randomized, double blind, placebo controlled crossover design is proposed. ;
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