Molecular Profile Detail

Profile Name ERBB2 A775_G776insYVMA
Gene Variant Detail

ERBB2 A775_G776insYVMA (gain of function)

Relevant Treatment Approaches HER inhibitor (Pan) HER2 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
ERBB2 A775_G776insYVMA lung adenocarcinoma predicted - sensitive Ado-trastuzumab emtansine Case Reports/Case Series Actionable In a Phase II trial, treatment with Kadcyla (trastuzumab emtansine) resulted in best overall responses of partial response in 44% (8/18) and stable disease in 39% (7/18), and median progression-free survival of 5 months in patients with lung adenocarcinoma harboring ERBB2 (HER2) activating mutations, and a subset of patients specifically harboring ERBB2 (HER2) A775_G776insYVMA mutation had a 60% (3/5) partial response rate (PMID: 29989854; NCT02675829). 29989854
ERBB2 A775_G776insYVMA Advanced Solid Tumor sensitive JQ1 + Osimertinib Preclinical Actionable In a preclinical study, transgenic mouse models expressing ERBB2 (HER2) A775_G776insYVMA demonstrated greater tumor regression when treated with the combination of JQ1 and Tagrisso (osimertinib) compared to treatment with either agent alone, which resulted in little to no regression (PMID: 29298799). 29298799
Clinical Trial Phase Therapies Title Recruitment Status