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Profile Name | PIK3CA E545A |
Gene Variant Detail | |
Relevant Treatment Approaches | Akt Inhibitor (Pan) Akt1 Inhibitor Akt2 Inhibitor mTOR Inhibitor mTORC1 Inhibitor mTORC2 Inhibitor PI3K Inhibitor (Pan) PIK3CA inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
FGFR3 S249C PIK3CA E545A | transitional cell carcinoma | predicted - sensitive | Erdafitinib | Case Reports/Case Series | Actionable | In a clinical case study, Balversa (erdafitinib) treatment resulted in a partial response with a progression-free survival of 5.8 months in a patient with upper tract urothelial carcinoma harboring FGFR3 S249C and PIK3CA E545A (PMID: 37377403). | 37377403 |
PIK3CA E453K PIK3CA E545A | stomach cancer | sensitive | Alpelisib | Preclinical - Cell culture | Actionable | In a preclinical study, Piqray (alpelisib) inhibited growth and induced cell cycle arrest and inhibited phosphorylation of Akt and S6 in a gastric cancer cell line harboring PIK3CA E545A and E453K in culture (PMID: 37493631). | 37493631 |
PIK3CA E453K PIK3CA E545A | stomach cancer | sensitive | Alpelisib + Dasatinib | Preclinical - Cell culture | Actionable | In a preclinical study, the addition of Sprycel (dasatinib) to Piqray (alpelisib) treatment resulted in an increased inhibition of proliferation in a gastric cancer cell line harboring PIK3CA E545A and E453K in culture (PMID: 37493631). | 37493631 |
PIK3CA E453K PIK3CA E545A | stomach cancer | sensitive | A-1331852 + Alpelisib | Preclinical - Cell culture | Actionable | In a preclinical study, the combination of Piqray (alpelisib) and A-1331852 synergistically inhibited viability in a gastric cancer cell line harboring PIK3CA E545A and E453K in culture (PMID: 37493631). | 37493631 |