MOUNAINEER-03: Tucatinib in Combination with Trastuzumab and Chemotherapy in Patients With HER2+ CRC

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Kristen K. Ciombor, MD, discussed the ongoing MOUNTAINEER-03 trial, a global Phase 3 study randomizing patients with untreated HER2-positive colorectal cancer patients to FOLFOX plus tucatinib/trastuzumab versus standard chemotherapy plus a biologic, which she said highlights the importance of upfront molecular testing and could change treatment.

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