
http://www.youtube.com/watch?v=PAyvFbGlWKY&feature=youtu.be Journalists: Broadcast soundbites with Dr. Perez are available in the downloads. CHICAGO — In the largest clinical trial testing the effectiveness of one versus two drugs to treat HER2-positive breast cancer, lapatinib (Tykerb) did not add benefit to the standard trastuzumab (Herceptin) adjuvant therapy, researchers report at the 50th annual meeting of the American Society of Clinical Oncology (ASCO). Results of the phase III clinical trial, ALTTO (Adjuvant Lapatinib and/or Trastuzumab Treatment Optimization study), demonstrated that adding lapatinib to trastuzumab and chemotherapy did not improve patient outcome (defined as disease-free survival or overall survival), and that use of lapatinib significantly increased toxicity. “These findings suggest that standard adjuvant (post-surgery) treatment for early stage HER2-positive breast cancer should remain trastuzumab in combination with chemotherapy,” says Edith A. Perez, M.D., deputy director at large of the Mayo Clinic Cancer Center, and director of the Breast Cancer Translational Genomics Program at Mayo Clinic in Florida.
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