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Molecular Profile PIK3CA K944N
Therapy Cetuximab + Fluorouracil
Indication/Tumor Type colorectal cancer
Response Type resistant

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA K944N colorectal cancer resistant Cetuximab + Fluorouracil Case Reports/Case Series Actionable In a clinical study, PIK3CA K944N was identified as a potential mechanism for acquired Erbitux (cetuximab) resistance in two colorectal cancer patients, which is supported by cell culture studies demonstrating resistance to Erbitux (cetuximab) and Fluorouracil combination treatment in colorectal cancer cells over expressing PIK3CA K944N (PMID: 28424201). 28424201
PubMed Id Reference Title Details
(28424201) PIK3CA Mutations Contribute to Acquired Cetuximab Resistance in Patients with Metastatic Colorectal Cancer. Full reference...