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PMID | (36505826) | ||||||||||||
Authors | Shin JE, An HJ, Park HS, Kim H, Shim BY | ||||||||||||
Title | Efficacy of dabrafenib/trametinib in pancreatic ductal adenocarcinoma with BRAF NVTAP deletion: A case report. | ||||||||||||
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Abstract Text | Studies have been actively conducted to identify actionable mutations and incorporate them into clinical practice in pancreatic ductal adenocarcinoma (PDAC), which is known to have a poor prognosis with traditional cytotoxic chemotherapy. A BRAF point mutation in V600E is commonly reported in KRAS wild-type PDAC, and targeting BRAF_V600E is already being applied to various carcinomas, including PDAC. Accumulated evidence also shows that not only BRAF_V600E but also short in-frame deletions of BRAF have an oncogenic function. Here, we report that a patient with BRAF N486_P490 deletion initiated on dabrafenib or trametinib, a BRAF inhibitor, and a MEK inhibitor, respectively, after cytotoxic chemotherapy failure. The patient then presented with a partial response. |
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Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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BRAF N486_P490del | pancreatic ductal adenocarcinoma | predicted - sensitive | Dabrafenib + Trametinib | Case Reports/Case Series | Actionable | In a clinical case study, the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) resulted in a partial response after 8 weeks of treatment in a patient with metastatic pancreatic ductal adenocarcinoma harboring BRAF N486_P490del (PMID: 36505826). | 36505826 |