Dabrafenib

Dabrafenib
Systematic (IUPAC) name
N-{3-[5-(2-aminopyrimidin-4-yl)-2-tert-butyl-1,3-thiazol-4-yl]-2-fluorophenyl}-2,6-difluorobenzenesulfonamide
Clinical data
Trade names Tafinlar
Pregnancy
category
  • US: D (Evidence of risk)
Legal status
Identifiers
CAS Number 1195765-45-7
ATC code L01XE23
PubChem CID 44462760
ChemSpider 25948204
ChEBI CHEBI:75045
ChEMBL CHEMBL2028663
Chemical data
Formula C23H20F3N5O2S2
Molar mass 519.56 g/mol

Dabrafenib (trade name Tafinlar) is a drug 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 has clinical activity with a manageable safety profile in clinical trials of phase 1 and 2 in patients with BRAF(V600)-mutated metastatic melanoma.[1][2]

The Food and Drug Administration approved dabrafenib as a single agent treatment for patients with BRAF V600E mutation-positive advanced melanoma on May 30, 2013.[3] Clinical trial data demonstrated that resistance to dabrafinib and other BRAF inhibitors occurs within 6 to 7 months.[4] To overcome this resistance, the BRAF inhibitor dabrafenib was combined with the MEK inhibitor trametinib.[4] As a result of this research, on January 8, 2014, the FDA approved the combination of dabrafenib and trametinib for the treatment of patients with BRAF V600E/K-mutant metastatic melanoma.[5][6]

References

  1. Gibney, G. T.; Zager, J. S. (2013). "Clinical development of dabrafenib in BRAF mutant melanoma and other malignancies". Expert Opinion on Drug Metabolism & Toxicology 9 (7): 1. doi:10.1517/17425255.2013.794220. PMID 23621583.
  2. Huang, T.; Karsy, M.; Zhuge, J.; Zhong, M.; Liu, D. (2013). "B-Raf and the inhibitors: From bench to bedside". Journal of Hematology & Oncology 6: 30. doi:10.1186/1756-8722-6-30. PMC 3646677. PMID 23617957.
  3. "GSK melanoma drugs add to tally of U.S. drug approvals". Reuters. May 30, 2013.
  4. 1 2 "Combined BRAF and MEK Inhibition in Melanoma with BRAF V600 Mutations" 367 (18). New England Journal of Medicine. November 1, 2012: 1694–703. doi:10.1056/NEJMoa1210093. PMC 3549295. PMID 23020132.
  5. "Dabrafenib/Trametinib Combination Approved for Advanced Melanoma". OncLive. January 9, 2013.
  6. Maverakis E, Cornelius LA, Bowen GM, Phan T, Patel FB, Fitzmaurice S, He Y, Burrall B, Duong C, Kloxin AM, Sultani H, Wilken R, Martinez SR, Patel F (2015). "Metastatic melanoma - a review of current and future treatment options". Acta Derm Venereol 95 (5): 516–524. doi:10.2340/00015555-2035. PMID 25520039.


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