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Last Posted: May 31, 2023
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Cost-effectiveness of Pharmacogenomic Testing: How to Measure the Value of Having the Right Dose of the Right Drug for the Right Patient
L Shi et al, CDC Blog Post, May 8, 2023 Brand

A recent systematic review that assessed the cost-effectiveness of pharmacogenetic testing for drugs with existing guidelines concluded that most studies favored pharmacogenomic testing. The significance of this conclusion must be interpreted with caution and in the context of study factors, such as funding sources, geography, cohort, and the cost-effectiveness comparisons being made.

Knowledge and attitudes of medical and pharmacy students about pharmacogenomics: a systematic review and meta-analysis.
Chen Li et al. Pharmacogenomics J 2023 5

Fifteen studies (5509 students; 69% [95% confidence interval (CI): 60%, 77%] females) were included. Among students, 28% [95%CI: 12, 46] had adequate PGx knowledge; 65% [95%CI: 55, 75] were willing to have PGx test for their own risk assessment; 78% [95%CI: 71, 84] had intention to incorporate PGx in future practice; and 32% [95%CI: 21, 43] were satisfied with current PGx component of curriculum. Age, advanced year of educational program, and more time spent in PGx education were positively associated with PGx knowledge and positive attitudes.

Dutch Pharmacogenetics Working Group (DPWG) guideline for the gene-drug interaction between CYP2D6, CYP3A4 and CYP1A2 and antipsychotics
L Beunk et al, EJHG, March 31, 2023

Even though evidence is limited, the DPWG recommends choosing an alternative drug to treat symptoms of depression or a dose reduction for other indications for quetiapine and CYP3A4 PMs. No therapy adjustments are recommended for the other CYP2D6 and CYP3A4 predicted phenotypes. In addition, no action is required for the gene-drug combinations CYP2D6 and clozapine, flupentixol, olanzapine or quetiapine and also not for CYP1A2 and clozapine or olanzapine.

Pharmacogenomics-informed clozapine therapy.
Chad A Bousman et al. The lancet. Psychiatry 2023 2 (3) 160-162

Pharmacogenomics-informed prescribing is a strategy that leverages a person's genomic profile to inform the selection and dosing of medications, and it is typically anchored by associations between genomic variants and pharmacokinetic parameters (eg, medication plasma concentrations). Expert groups, such as the Clinical Pharmacogenetics Implementation Consortium and the Dutch Pharmacogenetics Working Group, have collectively developed dosing guidelines for 24 psychotropic medications.

Disclaimer: Articles listed in the Public Health Genomics and Precision Health Knowledge Base are selected by the CDC Office of Public Health Genomics to provide current awareness of the literature and news. Inclusion in the update does not necessarily represent the views of the Centers for Disease Control and Prevention nor does it imply endorsement of the article's methods or findings. CDC and DHHS assume no responsibility for the factual accuracy of the items presented. The selection, omission, or content of items does not imply any endorsement or other position taken by CDC or DHHS. Opinion, findings and conclusions expressed by the original authors of items included in the update, or persons quoted therein, are strictly their own and are in no way meant to represent the opinion or views of CDC or DHHS. References to publications, news sources, and non-CDC Websites are provided solely for informational purposes and do not imply endorsement by CDC or DHHS.