Myriad significantly advances the myChoice HRD companion diagnostic test

Predicts response to PARP inhibitors and platinum-based drugs in clinical studies

2015-05-29

(Press-News.org) .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;} SALT LAKE CITY, Utah, May 29, 2015 - Myriad Genetics, Inc. (NASDAQ: MYGN) today announced new clinical studies on its myChoice HRD companion diagnostic test at the 2015 American Society of Clinical Oncology annual meeting being held in Chicago, Ill. Myriad's myChoice HRD test is the first and only companion diagnostic to measure three modes of homologous recombination deficiency (HRD) including loss of heterozygosity, telomeric allelic imbalance and large-scale state transitions in cancer cells. The myChoice HRD score is a biomarker that indicates the inability of cancer cells to repair DNA damage and reflects a tumor's sensitivity to DNA-damaging medicines such as PARP (poly-ADP ribose polymerase) inhibitors and platinum-based therapies. "The myChoice HRD companion diagnostic test stems from Myriad's pioneering research and is a real step forward in realizing the goal of personalized medicine for patients with ovarian, breast and pancreatic cancers and possibly other solid tumors," said Jerry Lanchbury, Ph.D., chief scientific officer, Myriad. "Anybody who has ever had cancer or treated patients with cancer will understand the enormous benefit of getting the right treatment to the right patient at the right time. There is mounting evidence that myChoice HRD can help us do that by predicting a therapeutic response to DNA-damaging agents based on patients' unique tumor biology." Below are the key myChoice HRD presentations being highlighted at #ASCO15.

myChoice HRD: Predicting Platinum Response Poster Discussion (Poster 32): Combined Homologous Recombination Deficiency (HRD) Scores and Response to Neoadjuvant Platinum-Based Chemotherapy in Triple Negative and/or BRCA1/2 Mutation-Associated Breast Cancer.

Melinda Telli, M.D. (Stanford University School of Medicine) will present new clinical data that established a homologous recombination (HR) deficiency threshold that can identify 95 percent of patients with mutations in BRCA1/2 and other homologous recombination genes and who have a higher likelihood of responding to treatment with DNA-damaging agents. Specifically, the study validated an HRD threshold score of ?42 (on a scale of 0-100) using a training cohort of 497 breast and 561 ovarian cancer patients. A myChoice HRD test score ?42 represents a positive score or a loss of DNA repair function, while a myChoice HRD score END

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[Press-News.org] Myriad significantly advances the myChoice HRD companion diagnostic test
Predicts response to PARP inhibitors and platinum-based drugs in clinical studies