Dabrafenib (Tafinlar)

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General information

Class/mechanism: BRAF kinase inhibitor. Dabrafenib inhibits some mutated BRAF kinases, such as BRAF V600E, BRAF V600K, and BRAF V600D. Some BRAF mutations such as BRAF V600E cause constitutive activation of the BRAF pathway, which drives tumor cell growth.[1][2][3]
Route: PO
Extravasation: n/a

For conciseness and simplicity, HemOnc.org currently will focus on treatment regimens and not list information such as: renal/hepatic dose adjustments, metabolism (including CYP450), excretion, monitoring parameters (although this will be considered for checklists), or manufacturer. Instead, for the most current information, please refer to your preferred pharmacopeias such as Micromedex, Lexicomp,UpToDate (courtesy of Lexicomp), or the prescribing information.[1]

Diseases for which it is used

Patient drug information

History of changes in FDA indication

Melanoma

  • 5/29/2013: FDA approved for the treatment of patients with unresectable or metastatic melanoma with BRAF V600E mutation as detected by an FDA-approved test. (Based on BREAK-3 and BREAK-MB)
  • 1/10/2014: Accelerated approval together with Trametinib (Mekinist) for the treatment of patients with unresectable or metastatic melanoma with BRAF V600E or V600K mutations as detected by an FDA-approved test. (Based on COMBI-d, COMBI-v, and COMBI-MB)
  • 4/30/2018: Regular FDA approval with Trametinib (Mekinist) in combination for the adjuvant treatment of patients with melanoma with BRAF V600E or V600K mutations, as detected by an FDA-approved test, and involvement of lymph node(s), following complete resection. (Based on COMBI-AD)

Non-small cell lung cancer

Thyroid cancer

History of changes in EMA indication

  • 8/26/2013: Initial marketing authorization as Tafinlar.

Also known as

  • Code names: GSK2118436, GSK-2118436A
  • Generic name: dabrafenib mesylate
  • Brand name: Rafinlar, Tafinlar

References