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Ref Type | Journal Article | ||||||||||||
PMID | (38814411) | ||||||||||||
Authors | Ueberroth BE, Lieu CH, Lentz RW | ||||||||||||
Title | Prolonged Response to Dabrafenib/Trametinib in Grade 3 Metastatic Pancreatic Neuroendocrine Tumor (NET G3) with BRAF V600E Mutation. | ||||||||||||
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Abstract Text | Treatment of metastatic pancreatic neuroendocrine tumors (pancNETs), particularly grade 2 (G2) and grade 3 (G3), often presents a dilemma in choosing from multiple similarly efficacious therapies. Data on targeted therapies for these tumor types is limited, and this report presents BRAF-targeted therapy as a therapeutic option for metastatic pancNET G3.This is a case report of a patient with G3 pancNET metastatic to the liver, lung, lymph node, and scalp (soft tissue) treated with dabrafenib/trametinib (D/T) in the presence of a BRAF V600E mutation detected in tumor tissue.This patient has demonstrated an ongoing partial response to therapy at all involved sites for nearly 15 months with minimal side effects attributable to D/T.Dabrafenib/trametinib therapy for BRAF-mutated metastatic pancNETs provides a novel treatment option and, especially in the G3 setting, should be considered a first-line option. Tumor testing for actionable mutations should be undertaken at the time of diagnosis and/or progression to identify novel therapeutic avenues in these rare tumors. |
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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 V600E | pancreatic endocrine carcinoma | predicted - sensitive | Dabrafenib + Trametinib | Case Reports/Case Series | Actionable | In a clinical case study, treatment with the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) resulted in a partial response lasting at least 15 months in a patient with unresectable, metastatic pancreatic neuroendocrine carcinoma harboring BRAF V600E (PMID: 38814411). | 38814411 |