Homologous recombination deficiency (HRD) testing is used to determine the appropriateness of poly ADP‐ribose polymerase inhibitors for patients with epithelial ovarian cancer and no germline/somatic BRCA1/2 alterations. Myriad MyChoice CDx… Click to show full abstract
Homologous recombination deficiency (HRD) testing is used to determine the appropriateness of poly ADP‐ribose polymerase inhibitors for patients with epithelial ovarian cancer and no germline/somatic BRCA1/2 alterations. Myriad MyChoice CDx reports a genomic instability score (GIS) to quantify the level of HRD, with a positive score defined as ≥42. The authors sought to define factors associated with obtaining an inconclusive HRD test result.
               
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