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Changes in genetic testing recommendations strengthen patient autonomy

Date:
June 12, 2014
Source:
Mayo Clinic
Summary:
Recent modifications in recommendations regarding incidental findings in genetic testing from the American College of Medical Genetics and Genomics depart from the college’s 2013 recommendations in favor of an individualized approach. Experts have published a review of the updated 2014 recommendations.

Recent modifications in recommendations regarding incidental findings (IFs) in genetic testing from the American College of Medical Genetics and Genomics (ACMG) depart from the college's 2013 recommendations in favor of an individualized approach. Experts in the Bioethics Program of the Mayo Clinic Center for Individualized Medicine published a review of the updated 2014 recommendations in the journal Proceedings.

"The feedback from ACMG members indicated that the 2013 recommendations did not accommodate diverse patient needs," says Jennifer McCormick, Ph.D., M.P.P., who authored the review.

The 2013 recommendations embraced an all-or-nothing philosophy, which advised patients who did not want to be informed of some, or all, IFs to forgo whole exome or whole genome sequencing (WES/WGS), according to the review. In addition, the college originally instructed that laboratories "actively search" and notify patients of pathogenic variants in genes, which raised controversy regarding patient rights.

With the 2014 recommendations, patients have more autonomy to customize their WES/WGS results based on their comfort level with knowledge, other than the original reason to seek genetic testing, says Dr. McCormick.

"This is an important discussion, and the move toward greater autonomy is good for everyone ― both patients and physicians," says Dr. McCormick. "Medicine in general is moving toward more patient autonomy and shared decision making. Genomics and individualized medicine happen to be the starkest and least well-defined examples of this trend ― we have no best practices yet."

Much genomic analysis is meant to aid the patient in making medical decisions, sometimes in the distant future, and there are often far-reaching implications for family members, say Dr. McCormick and her co-authors. These factors combine to make this type of testing very personal, especially regarding incidental findings. For example, patients can decide before testing to filter their results for only one part of their genome. This step is important because it differentiates between single-gene testing and WES/WGS. Where single-gene testing is selective, whole exome/genome sequencing is comprehensive.

Studies being done at Mayo Clinic and elsewhere are examining the preferences of patients regarding IFs found while conducting WES/WGS. Clinical trials also are being used to learn the advantages and disadvantages of informing patients about the results of their whole genome sequence.


Story Source:

The above story is based on materials provided by Mayo Clinic. Note: Materials may be edited for content and length.


Journal Reference:

  1. Jennifer B. McCormick, Richard R. Sharp, Gianrico Farrugia, Noralane M. Lindor, Dusica Babovic-Vuksanovic, Mitesh J. Borad, Alan H. Bryce, Richard J. Caselli, Matthew J. Ferber, Kiley J. Johnson, Konstantinos N. Lazaridis, Robert R. McWilliams, Joseph A. Murray, Alexander S. Parker, Kimberly A. Schahl, Eric D. Wieben. Genomic Medicine and Incidental Findings: Balancing Actionability and Patient Autonomy. Mayo Clinic Proceedings, 2014; 89 (6): 718 DOI: 10.1016/j.mayocp.2014.04.008

Cite This Page:

Mayo Clinic. "Changes in genetic testing recommendations strengthen patient autonomy." ScienceDaily. ScienceDaily, 12 June 2014. <www.sciencedaily.com/releases/2014/06/140612121312.htm>.
Mayo Clinic. (2014, June 12). Changes in genetic testing recommendations strengthen patient autonomy. ScienceDaily. Retrieved September 17, 2014 from www.sciencedaily.com/releases/2014/06/140612121312.htm
Mayo Clinic. "Changes in genetic testing recommendations strengthen patient autonomy." ScienceDaily. www.sciencedaily.com/releases/2014/06/140612121312.htm (accessed September 17, 2014).

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