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| Gene | ERBB3 |
| Variant | act mut |
| Impact List | unknown |
| Protein Effect | gain of function |
| Gene Variant Descriptions | ERBB3 (HER3) act mut indicates that this variant results in a gain of function in the Erbb3 (Her3) protein. However, the specific amino acid change has not been identified. |
| Associated Drug Resistance | |
| Category Variants Paths |
ERBB3 mutant ERBB3 act mut |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| ERBB3 mutant | invasive bladder transitional cell carcinoma | predicted - sensitive | Cisplatin + Gemcitabine + Sorafenib | Phase II | Actionable | In a Phase II trial, ERBB3 mutations were only detected in patients with muscle-invasive urothelial bladder cancer that responded to Nexavar (sorafenib), Platinol (cisplatin) and Gemzar (gemcitabine) combination therapy (J Clin Oncol 35, 2017 (suppl 6S; abstract 345)). | detail... |
| ERBB3 mutant | Advanced Solid Tumor | no benefit | Neratinib | Phase II | Actionable | In a Phase II trial (SUMMIT), Nerlynx (neratinib) treatment resulted in no objective response, a clinical benefit rate of 12.5% (2/16), and a median progression-free survival of 1.7 months in patients with advanced solid tumors harboring ERBB3 (HER3) mutations (PMID: 29420467; NCT01953926). | 29420467 |