Molecular Profile Detail

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Profile Name PIK3CA Q859H PIK3CA H1047R
Gene Variant Detail

PIK3CA H1047R (gain of function)

PIK3CA Q859H (unknown)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
PIK3CA Q859H PIK3CA H1047R breast cancer resistant Alpelisib Preclinical - Cell culture Actionable In a preclinical study, a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H was resistant to Piqray (alpelisib) in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer resistant Inavolisib Preclinical - Cell culture Actionable In a preclinical study, a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H was resistant to Itovebi (inavolisib) in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer resistant Taselisib Preclinical - Cell culture Actionable In a preclinical study, a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H was resistant to Taselisib (GDC-0032) in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer sensitive Pictilisib Preclinical - Cell culture Actionable In a preclinical study, Pictilisib (GDC-0941) decreased viability of a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer sensitive Miransertib Preclinical - Cell culture Actionable In a preclinical study, Miransertib (ARQ092) decreased viability of a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer sensitive Ipatasertib Preclinical - Cell culture Actionable In a preclinical study, Ipatasertib (GDC-0068) decreased viability of a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H in culture (PMID: 37916958). 37916958
PIK3CA Q859H PIK3CA H1047R breast cancer sensitive RLY-2608 Preclinical - Cell culture Actionable In a preclinical study, RLY-2608 inhibited downstream signaling and viability in a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA Q859H in culture (PMID: 37916958). 37916958