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Profile Name | ERBB2 pos PIK3CA H1047R |
Gene Variant Detail | |
Relevant Treatment Approaches |
Molecular Profile | Indication/Tumor Type | Response Type | Relevant Treatment Approaches | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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ERBB2 pos PIK3CA H1047R | Her2-receptor positive breast cancer | predicted - sensitive | Neratinib | Phase III | Actionable | In a Phase III trial (ExteNET), Nerlynx (neratinib) treatment resulted in improved 5-year invasive disease-free survival (92.4% vs 84.5%, HR=0.41, p=0.028) and clinical benefit (HR=0.40, p=0.041) compared to placebo in patients with ERBB2 (HER2)-positive early breast cancer who completed trastuzumab-based adjuvant therapy, and harbored PIK3CA amplification (n=61) or mutations (n=210), including H1047R (n=110), E542K (n=18), and E545K/D (n=82) (PMID: 30867034; NCT00878709). | 30867034 | |
ERBB2 pos PIK3CA H1047R | Her2-receptor positive breast cancer | sensitive | Ado-trastuzumab emtansine | Preclinical - Cell line xenograft | Actionable | In a preclinical study, Kadcyla (trastuzumab emtansine) inhibited survival of Herceptin (trastuzumab)-resistant ERBB2 (HER2) positive breast cancer cells harboring PIK3CA H1047R in culture, and induced tumor regression in cell line xenograft models (PMID: 26920887). | 26920887 |
Clinical Trial | Phase | Therapies | Title | Recruitment Status | Covered Countries | Other Countries |
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