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. 2018 May;37(5):717-723.
doi: 10.1377/hlthaff.2017.1564.

Horizon Scan Of Clinical Laboratories Offering Pharmacogenetic Testing

Susanne B Haga  1 , Ariel Kantor  2
Affiliations

Horizon Scan Of Clinical Laboratories Offering Pharmacogenetic Testing

Susanne B Haga et al. Health Aff (Millwood). 2018 May.

Abstract

Pharmacogenetic (PGx) testing involves the analysis of genes known to affect response to medications. The field has been projected as a leading application of personalized or precision medicine, but the use of PGx tests has been stymied, in part, by the lack of clinical evidence of utility and reported low provider awareness. Another factor is the availability of testing. The range and types of PGx tests available have not been assessed to date. In the period September 2017-January 2018 we analyzed the numbers and types of PGx tests offered by clinical testing laboratories in the US. Of the 111 such labs that we identified, we confirmed that 76 offered PGx testing services. Of these, 31 offered only tests for single genes; 30 offered only tests for multiple genes; and 15 offered both types of tests. Collectively, 45 laboratories offered 114 multigene panel tests covering 295 genes. The majority of these tests did not have any clinical guidelines. PGx tests vary in type and makeup, which presents challenges in appropriate test evaluation and selection for providers, insurers, health systems, and patients alike.

Keywords: Clinical evidence; Pharmacogenetic Testing; Test Availability.

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