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| Gene | ERBB4 |
| Variant | act mut |
| Impact List | unknown |
| Protein Effect | gain of function |
| Gene Variant Descriptions | ERBB4 (HER4) act mut indicates that this variant results in a gain of function in the Erbb4 (Her4) protein. However, the specific amino acid change has not been identified. |
| Associated Drug Resistance | |
| Category Variants Paths |
ERBB4 mutant ERBB4 act mut |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| ERBB4 act mut | Advanced Solid Tumor | no benefit | Neratinib + Trametinib | Phase I | Actionable | In a Phase I trial, treatment with the combination of Nerlynx (neratinib) and Mekinist (trametinib) demonstrated toxicity and limited efficacy in patients with advanced solid tumors harboring EGFR or ERBB2 (HER2) activating mutations or amplification, or activating mutations in ERBB3 (HER3), ERBB4, or KRAS, with a clinical benefit rate of 10% (2/20, 2 stable disease), and a median duration of treatment of 1.8 months (PMID: 37314501; NCT03065387). | 37314501 |