Journal
JOURNAL OF CLINICAL PHARMACOLOGY
Volume 62, Issue 4, Pages 486-493Publisher
WILEY
DOI: 10.1002/jcph.1978
Keywords
clinical pharmacology; drug development; oncology and non-oncology drugs; pharmacogenetics; pharmacogenomics; pharmacokinetics and drug metabolism
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This study reported that about 10% of new molecular entities approved by the US Food and Drug Administration between 2014 and 2019 showed differences in exposure and/or response based on race/ethnicity or pharmacogenetic factors. The findings indicated a decrease in differences in labeling when compared to the period between 2008 and 2013, where approximately 21% of new molecular entities had differences in pharmacokinetics, safety, response, and/or pharmacogenetics.
Race and ethnicity can contribute to differences in drug exposure and/or response. Here, we report that about 10% of the new molecular entities (NMEs) approved between 2014 and 2019 by the US Food and Drug Administration's Center for Drug Evaluation and Research showed differences in exposure and/or response based on race/ethnicity or pharmacogenetic factors known to vary in frequency across global populations. Fewer NMEs (10%) reported differences in the labeling in 2014 to 2019 when compared to about 21% of NMEs approved between 2008 and 2013 that had differences in pharmacokinetics, safety, response, and/or pharmacogenetics. Understanding the underlying mechanisms that lead to such differences and adequate enrollment of racial and ethnic subgroups is essential to obtain sufficient information on exposure and response. Though drug development is global, when heterogeneous populations are not adequately enrolled, the risk-benefit assessments can remain incomplete for certain subgroups. Consequently, this can result in regional differences in drug approval, population-specific prescribing recommendations, or need for additional postmarketing studies to address concerns related to exposure, response, or lack of representation that lead to gaps in information.
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