Medical Genome Initiative Publications

Overview


Published Manuscript, May 2020
The Medical Genome Initiative: moving whole-genome sequencing for rare disease diagnosis to the clinic 📥
Marshall, C.R., Bick, D., Belmont, J.W. et al. The Medical Genome Initiative: moving whole-genome sequencing for rare disease diagnosis to the clinic. Genome Med. 2020; 12:48. https://doi.org/10.1186/s13073-020-00748-z

Clinical whole-genome sequencing (WGS) offers clear diagnostic benefits for patients with rare disease. However, there are barriers to its widespread adoption, including a lack of standards for clinical practice. The Medical Genome Initiative consortium was formed to provide practical guidance and support the development of standards for the use of clinical WGS.

Key components of WGS supporting the core steps of genetic disease diagnosis

Analytical Validity


Published Manuscript, October 2020
Analytical validation of clinical whole genome sequencing for germline disease diagnostics: Best practices and performance standards.  📥
Marshall CR, Chowdhury S, Taft RJ, Lebo MS, Buchan JG, Harrison SM, Rowsey R, Klee EW, Liu P, Worthey EA, Jobanputra V, Dimmock D, Kearney HM, Bick D, Kulkarni S, Belmont JW, Stavropoulos DJ, Lennon NJ, on behalf of the Medical Genome Initiative.

Whole-genome sequencing (WGS) has shown promise in becoming a first-tier diagnostic test for patients with rare genetic disorders, however, standards addressing the definition and deployment practice of a best-in-class test are lacking. To address these gaps, the Medical Genome Initiative, a consortium of leading health care and research organizations in the US and Canada, was formed to expand access to high quality clinical WGS by publishing best practices. Here, we present consensus recommendations on clinical WGS analytical validation with a focus on test development, upfront considerations for test design, test validation practices, and metrics to monitor test performance. This work also provides insight into the current state of WGS testing at each member institution, including the utilization of reference and other standards across sites. Importantly, members of this Initiative strongly believe that clinical WGS is an appropriate first-tier test for patients with rare genetic disorders and at minimum is ready to replace chromosomal microarray analysis and whole-exome sequencing. The recommendations presented here should reduce the burden on laboratories introducing WGS into clinical practice and support safe and effective WGS testing for diagnosis of germline disease.

Poster
Analytical validation of clinical whole genome sequencing for germline disease diagnostics: Best practices and performance standards. (PDF download) 📥
Marshall CR, Lennon NJ, Chowdhury S, Taft RJ, Stavropoulos DJ, Lebo MS, Harrison SM, Buchan JG, Liu P, Kulkarni S, Dimmock D, Belmont JW, Bick D, Worthey EA, Rowsey R, Klee EW, Kearney HM on behalf of the Medical Genome Initiative.  Poster presented at: American Society of Human Genetics Annual Meeting; October, 2019; Houston, TX.

Clinical Utility


Published manuscript
Clinical utility of genomic testing: A measurement toolkit 📥
Hayeems RZ, Dimmock DP, Bick DP, Belmont JW, Green RC, Lanpher B, Jobanputra V, Mendoza R, Kulkarni S, Grove ME, Taylor SL, Ashley E, on behalf of the Medical Genome Initiative.

Whole genome sequencing is emerging as the most robust strategy for achieving timely diagnoses in undiagnosed rare disease populations. Evidence of clinical utility and cost-effectiveness is required for WGS to be accepted into practice, commissioned in a health system, or receive reimbursement. Defining and measuring clinical utility is complex and context specific. The abstract addresses the need to develop a standardized framework and define measurement best practices to optimize the evidence base for decision makers and health care systems invested in providing high quality genome diagnostics.

Poster
Clinical utility of genomic testing: A measurement toolkit 📥
Hayeems RZ, Dimmock DP, Bick DP, Belmont JW, Green RC, Lanpher B, Jobanputra V, Mendoza R, Kulkarni S, Grove ME, Taylor SL, Ashley E, on behalf of the Medical Genome Initiative. Poster presented at: 2020 American College of Medical Genetics and Genomics Annual Clinical Genetics Meeting; May, 2020; Virtual
*This abstracted was also presented as poster no. P23.08.B at the European Society of Human Genetics meeting held virtually, June 6-9, 2020. The abstract has been accepted as an oral presentation at the European Conference on the Diffusion of Genomic Medicine in spring 2021 (dates to be determined).

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