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Molecular Profile BRAF K601E
Therapy Trametinib
Indication/Tumor Type melanoma
Response Type predicted - sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF K601E melanoma predicted - sensitive Trametinib Case Reports/Case Series Actionable In a retrospective analysis, treatment with Mekinist (trametinib) resulted in a clinical benefit rate of 75% (3/4) in melanoma patients harboring BRAF K601E, with two partial responses each lasting 2.5 and 5.5 months, and one with stable disease lasting 3.6 months with a 27% reduction in tumor mass (PMID: 24933606). 24933606
BRAF K601E melanoma predicted - sensitive Trametinib Case Reports/Case Series Actionable In a clinical case study, a melanoma patient harboring BRAF K601E demonstrated a 48% reduction in lymphadenopathy when treated with Mekinist (trametinib) and after more than 36 months of treatment showed a complete response (PMID: 28344857). 28344857
BRAF K601E melanoma predicted - sensitive Trametinib Case Reports/Case Series Actionable In a Phase II trial, a melanoma patient harboring BRAF K601E demonstrated a partial response and a progression free survival of 32 weeks when treated with Mekinist (trametinib) (PMID: 23248257; NCT01037127). 23248257
PubMed Id Reference Title Details
(28344857) Metastatic BRAF K601E-mutated melanoma reaches complete response to MEK inhibitor trametinib administered for over 36 months. Full reference...
(23248257) Phase II study of the MEK1/MEK2 inhibitor Trametinib in patients with metastatic BRAF-mutant cutaneous melanoma previously treated with or without a BRAF inhibitor. Full reference...
(24933606) Activity of trametinib in K601E and L597Q BRAF mutation-positive metastatic melanoma. Full reference...