Chairperson’s Perspective: CDK 4/6 Inhibitors: Practice-Changing Implications of Targeted Therapies in HR+/HER2- Breast Cancer

Summary: Guest: Joyce O'Shaughnessy, MD <br> <p>By 2040, the global breast cancer burden is expected to increase by 40%, resulting in more than 3 million new cases and 1 million deaths per year. Approximately 65% of cases among women less than 50 years of age and 75% of cases among women over 50 years of age are classified as HR+/HER2-. Although endocrine therapy is employed as standard-of-care treatment for many patients with HR+/HER2- breast cancer, not all such patients respond to endocrine therapy, and many who do initially respond will relapse. CDK 4/6 inhibitors can help overcome mechanisms of endocrine resistance, decrease tumor cell growth, and act synergistically with anti-estrogens. Clinicians are faced with constant change in the breast cancer treatment landscape. Disease heterogeneity, drug resistance, and incorporation of genetic testing into the treatment formula for HR+/HER2- breast cancer patients are all things they must contend with. Understanding practice guideline recommendations and the evidence behind them will allow clinicians to better integrate CDK 4/6 inhibitors into their clinical practice.</p> <p>This Chairman’s Perspective activity features a highlight summary from a nationally recognized expert with relevant and timely information on HR+/HER2- BC, including the latest trial results and accumulating real-world evidence that demonstrates the efficacy and overall safety …</p>