Myriad Genetics  Inc  a molecular diagnostic company  focuses on the development and marketing of predictive medicine  personalized medicine  and prognostic medicine tests primarily in the United States Its molecular diagnostic tests are designed to analyze genes  their mutations  expression levels  and proteins to assess an individuals risk for developing disease later in life  determine a patients likelihood of responding to a particular drug  assess a patients risk of disease progression and disease recurrence  and measure a patients exposure to drug therapy to ensure optimal dosing and reduced drug toxicity