Expect the unexpected: screening for secondary findings in clinical genomics research

Abstract

Background

Due to decreasing cost, and increasing speed and precision, genomic sequencing in research is resulting in the generation of vast amounts of genetic data. The question of how to manage that information has been an area of significant debate. In particular, there has been much discussion around the issue of 'secondary findings' (SF)—findings unrelated to the research that have diagnostic significance.

Sources of data

The following includes ethical commentaries, guidelines and policies in respect to large-scale clinical genomics studies.

Areas of agreement

Research participant autonomy and their informed consent are paramount—policies around SF must be made clear and participants must have the choice as to which results they wish to receive, if any.

Areas of controversy

While many agree that clinically 'actionable' findings should be returned, some question whether they should be actively sought within a research protocol.

Growing points

SF present challenges to a growing field; diverse policies around their management have the potential to hinder collaboration and future research.

Areas timely for developing research

The impact of returning SF and accurate estimates of their clinical utility are needed to inform future protocol design.

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