Molecular Profile Detail

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA N345K breast cancer sensitive Lapatinib Preclinical Actionable In a preclinical study, Tykerb (lapatinib) inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K head and neck squamous cell carcinoma predicted - sensitive PIK3CA inhibitor Alpelisib Preclinical - Cell culture Actionable In a preclinical study, treatment with Piqray (alpelisib) resulted in inhibition of proliferation and increased apoptosis in a head and neck squamous cell carcinoma cell line expressing PIK3CA N345K in culture (PMID: 34779417). 34779417
PIK3CA N345K breast cancer sensitive Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K Advanced Solid Tumor sensitive Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) inhibited survival of transformed cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K breast cancer sensitive PIK3CA inhibitor Alpelisib Preclinical - Cell culture Actionable In a preclinical study, Alpelisib (BYL719) inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K breast cancer sensitive Akt Inhibitor (Pan) MK2206 Preclinical Actionable In a preclinical study, MK2206 inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K breast cancer sensitive Neratinib Preclinical Actionable In a preclinical study, Nerlynx (neratinib) inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K breast cancer sensitive mTOR Inhibitor PI3K Inhibitor (Pan) Dactolisib Preclinical Actionable In a preclinical study, BEZ235 inhibited survival of transformed breast epithelial cell lines overexpressing PIK3CA N345K in culture (PMID: 26627007). 26627007
PIK3CA N345K lung squamous cell carcinoma no benefit PIK3CA inhibitor Taselisib Case Reports/Case Series Actionable In a Phase I (SWOG S1400B) trial, Taselisib (GDC-0032) treatment did not meet its primary endpoint for response rate in patients with lung squamous cell carcinoma harboring PIK3CA mutations, resulting in no response in two patients harboring PIK3CA N345K (PMID: 31158500; NCT02785913). 31158500
PIK3CA N345K endometrial mixed adenocarcinoma no benefit PIK3CA inhibitor Copanlisib Case Reports/Case Series Actionable In a Phase II (NRG-GY008) trial, Aliqopa (copanlisib) was well tolerated but demonstrated limited efficacy, resulted in stable disease in a patient with endometrial mixed adenocarcinoma harboring PIK3CA N345K (PMID: 31934607). 31934607
Clinical Trial Phase Therapies Title Recruitment Status Covered Countries Other Countries
NCT05154487 Phase II Alpelisib + Fulvestrant A Study of Alpelisib and Fulvestrant to Treat Endometrial Cancer Not yet recruiting USA 0