Pharmacogenomic biomarkers in drug labels:what do they tell us?

Tutton, Richard (2014) Pharmacogenomic biomarkers in drug labels:what do they tell us? Pharmacogenomics, 15 (3). pp. 297-304. ISSN 1462-2416

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This article investigates the number of drugs on the market with PGx biomarker data in their labels using two public sources – the FDA and the PharmKGB (Pharmacogenomics Knowledge Base). The article analyzes the FDA Table of Pharmacogenomic Biomarkers in Drug Labels to show the number of drugs with PGx biomarker information in their labels. Scrutinizing the language of labels, it also engages with whether this information is intended to direct clinicians to take particular actions or not, and whether biomarker information it is included on grounds of drug efficacy or to improve safety. The FDA table is compared to the PharmKGB Drug Labels with PGx info database to highlight how they differ in the number of drugs which they include. Analysis of the FDA and the Pharmkgb data show that in approximately 12% of drugs licensed in the period 1998-2012 had PGx biomarker information included in their labels at the time of their approval. Of that number, labels only direct clinicians to utilize PGx testing prior to prescribing treatments in only 14 cases. This clearly falls short of expectations many had in the 1990s about the transformative impact of PGx. In most cases, the inclusion of this information currently has limited or no direct clinical utility.

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24 Jan 2014 05:53
Last Modified:
16 Sep 2023 01:03