Earlier Indicator of Palbociclib Response Found for Patients with Breast Cancer


“According to findings published in Nature Communications, a blood test detecting early changes in circulating tumor DNA (ctDNA) may provide earlier indication of whether patients with hormone receptor–positive, HER2-negative breast cancer are responding to the CDK4/6 inhibitor palbociclib (Ibrance).

“The test could detect a response within 2 to 3 seeks, said investigators with The Institute of Cancer Research, London, and The Royal Marsden NHS Foundation Trust. Women currently wait 2 to 3 months to find out if palbociclib treatment is working for them.”

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