Dabrafenib

Dabrafenib, sold under the brand name Tafinlar among others, is an anti-cancer medication used for the treatment of cancers associated with a mutated version of the gene BRAF. Dabrafenib acts as an inhibitor of the associated enzyme B-Raf, which plays a role in the regulation of cell growth.

Dabrafenib
Clinical data
Trade namesTafinlar
Other namesGSK-2118436
AHFS/Drugs.comMonograph
MedlinePlusa613038
License data
Routes of
administration		By mouth
ATC code
Legal status
Legal status
  • AU: S4 (Prescription only)
  • CA: ℞-only
  • US: ℞-only
  • EU: Rx-only
  • In general: ℞ (Prescription only)
Identifiers
  • N-{3-[5-(2-aminopyrimidin-4-yl)-2-tert-butyl-1,3-thiazol-4-yl]-2-fluorophenyl}-2,6-difluorobenzenesulfonamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
PDB ligand
CompTox Dashboard (EPA)
ECHA InfoCard100.215.965
Chemical and physical data
FormulaC23H20F3N5O2S2
Molar mass519.56 g·mol−1
3D model (JSmol)
SMILES
  • CC(C)(C)C1=NC(=C(S1)C2=NC(=NC=C2)N)C3=C(C(=CC=C3)NS(=O)(=O)C4=C(C=CC=C4F)F)F
  • InChI=1S/C23H20F3N5O2S2/c1-23(2,3)21-30-18(19(34-21)16-10-11-28-22(27)29-16)12-6-4-9-15(17(12)26)31-35(32,33)20-13(24)7-5-8-14(20)25/h4-11,31H,1-3H3,(H2,27,28,29)
  • Key:BFSMGDJOXZAERB-UHFFFAOYSA-N

The most common side effects include papilloma (warts), headache, nausea, vomiting, hyperkeratosis (thickening and toughening of the skin), hair loss, rash, joint pain, fever and tiredness. When taken in combination with trametinib, the most common side effects include fever, tiredness, nausea, chills, headache, diarrhea, vomiting, joint pain and rash.

Dabrafenib was approved for medical use in the United States in May 2013, and in the European Union in August 2013.

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