Characterization of Statin Dose Response in Electronic Medical Records
Year: 2013
Type: article
Study design: Observational Study
Abstract: Efforts to define the genetic architecture underlying variable statin response have met with limited success, possibly because previous studies were limited to effect based on a single dose. We leveraged electronic medical records (EMRs) to extract potency (ED50) and efficacy (Emax) of statin dose-response curves and tested them for association with 144 preselected variants. Two large biobanks were used to construct dose-response curves for 2,026 and 2,252 subjects on simvastatin and atorvastatin, respectively. Atorvastatin was more efficacious, was more potent, and demonstrated less interindividual variability than simvastatin. A pharmacodynamic variant emerging from randomized trials (PRDM16) was associated with Emax for both. For atorvastatin, Emax was 51.7 mg/dl in subjects homozygous for the minor allele vs. 75.0 mg/dl for those homozygous for the major allele. We also identified several loci associated with ED50. The extraction of rigorously defined traits from EMRs for pharmacogenetic studies represents a promising approach to further understand the genetic factors contributing to drug response.
Language: English
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: green
Awards: Pharmacogenomics of Arrhythmia Therapy, Center for Clinical and Translational Sciences (CCTS), G1781505003, National Infrastructure for Standardized and Portable EHR Phenotyping Algorithms, Pharmacogenomics and Risk of Cardiovascular Disease, UCLA Clinical and Translational Science Institute, Institutional Clinical and Translational Science Award, The Vanderbilt Institute for Clinical and Translational Research (VICTR) UL1, VESPA: Vanderbilt Electronic Systems for Pharmacogenomic Assessment, The Vanderbilt Institute for Clinical and Translational Research (VICTR), Clinical Pharmacology Training Program, Diabetes Research Center (DRC)
OpenAlex ID: W2036420216
