ClinPGx Blog (Page 15)

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PharmGKB ondansetron and tropisetron pathways published in Pharmacogenetics and Genomics

The PharmGKB pathways for ondansetron and tropisetron have been published in the June 2019 issue of Pharmacogenetics and Genomics. Ondansetron and tropisetron are serotonin receptor antagonists which are prescribed for their antiemetic activity. After an overview of the pharmacokinetics and pharmacodynamics of each drug, the publication discusses the current pharmacogenetic

PharmVar core alleles to be used by PharmGKB and CPIC

PharmVar has released core alleles - single, rule-based definitions per star allele distilled from the respective suballeles - for the cytochrome P450 genes CYP2C9, CYP2C19, and CYP2D6. Only sequence variations that change an amino acid or impact function by changing expression levels or interfere with splicing and are present in

Pharmacogenomics for dermatologists

An introduction to pharmacogenomics in dermatology has been published in Seminars in Cutaneous Medicine and Surgery by Stanford Medicine dermatology resident Dr. Roxana Daneshjou, PharmGKB curator Dr. Rachel Huddart and PharmGKB co-PIs Dr. Teri Klein and Dr. Russ Altman.After introducing the field of pharmacogenomics, the paper highlights some of

Pharmacogenomics in the clinic

In 2018, Stanford Medicine launched a pilot project, Humanwide, using precision health approaches to predict, prevent and treat disease based on the individual patient in primary care. Over the past year, the Humanwide project provided care to a diverse group of 50 patients based on their individual factors, from lifestyle

New CPIC Guideline: CYP2B6 and efavirenz

The CPIC Guideline for CYP2B6 and efavirenz is now published in Clinical Pharmacology and Therapeutics. The accepted article can be viewed on the PharmGKB pages for efavirenz, CYP2B6, and on the CPIC website. Efavirenz is a non-nucleoside reverse transcriptase inhibitor widely used worldwide to treat HIV-1 infection. It is predominantly

PharmGKB opinion piece on pharmacogenomic RCTs published in Clinical Pharmacology and Therapeutics

Is supporting evidence from a randomized controlled trial (RCT) always necessary when implementing pharmacogenomics in the clinic? In an opinion piece authored by members of the PharmGKB team and published in Clinical Pharmacology and Therapeutics, we argue that an overreliance on evidence from RCTs is not beneficial to pharmacogenomic implementation.

CYP2C19 testing may assist with prescribing sertraline and escitalopram

Mary Relling (St. Jude Children's Research Hospital) and I (Teri Klein) as Co-Principal Investigators of the Clinical Pharmacogenetics Implementation Consortium (CPIC) have been discussing the letter that the FDA recently sent to a genomics laboratory expressing concern that “providers may make inappropriate treatment decisions based” on pharmacogenetic testing

New CPIC Guideline: CYP2D6 and atomoxetine

The CPIC Guideline for atomoxetine and CYP2D6 is now published in Clinical Pharmacology and Therapeutics. The accepted article can be viewed on the PharmGKB page for atomoxetine, and the CPIC website. Atomoxetine is a non-stimulant medication used in the treatment of attention-deficit/hyperactivity disorder. Atomoxetine is metabolized by CYP2D6 and

New CPIC guideline: potent volatile anesthetic agents and succinylcholine in the context of RYR1 or CACNA1S genotypes

The CPIC Guidelines for potent volatile anesthetic agents and succinylcholine in the context of RYR1 or CACNA1S genotypes is now published in Clinical Pharmacology and Therapeutics. The accepted article can be viewed on the PharmGKB pages for RYR1 and CACNA1S, and the CPIC website. Potent volatile anesthetic agents are used

CPIC Dosing Guidelines for DPYD and Fluoropyrimidines Updated

An update to the CPIC dosing guidelines for DPYD and fluoropyrimidines has recently been added to the CPIC and PharmGKB websites. The most recent version of the guideline, published in Clinical Pharmacology & Therapeutics in November 2017, recommended that patients who were DPYD intermediate metabolizers with an activity score of