Cyclin-dependent kinase 4 (CDK4) and CDK6 inhibitors, in combination with letrozole or fulvestrant, have been approved for treating hormone receptor-positive breast cancer. Even though the therapy shows benefits in some patients, resistance develops in other treated patients.
Myriad Genetics Inc. is launching a new suite of genetic tests designed for personalizing chemotherapy treatment. The Precise oncology offering includes Myriad’s precise tumor molecular profile test and two companion diagnostic tests, Mychoice CDx and Bracanalysis CDx. The company said the combination of germline, somatic and companion testing aims to maximize information for oncologists as they assign individual treatment plans. Results from each test are gathered as a single report accessed on an online portal.
The French Cosegregation Variant study, a collaboration by cancer genetics clinics and laboratories led by geneticists at the Curie Institute in Paris, has demonstrated that cosegregation analysis represents a powerful tool for classifying variants in BRCA1 and BRCA2 breast-ovarian cancer predisposition genes.