Elexacaftor

Elexacaftor is a medication that acts as cystic fibrosis transmembrane conductance regulator (CFTR) corrector.

Elexacaftor
Clinical data
Trade namesTrikafta and Kaftrio (with ivacaftor and tezacaftor)
Other namesVX-445
AHFS/Drugs.comMonograph
MedlinePlusa619061
License data
Routes of
administration
By mouth
ATC code
  • None
Legal status
Legal status
  • AU: S4 (Prescription only)
  • US: ℞-only
  • EU: Rx-only
Identifiers
  • N-(1,3-dimethylpyrazol-4-yl)sulfonyl-6-[3-(3,3,3-trifluoro-2,2-dimethylpropoxy)pyrazol-1-yl]-2-[(4S)-2,2,4-trimethylpyrrolidin-1-yl]pyridine-3-carboxamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
Chemical and physical data
FormulaC26H34F3N7O4S
Molar mass597.66 g·mol−1
3D model (JSmol)
SMILES
  • C[C@H]1CC(N(C1)C2=C(C=CC(=N2)N3C=CC(=N3)OCC(C)(C)C(F)(F)F)C(=O)NS(=O)(=O)C4=CN(N=C4C)C)(C)C
  • InChI=1S/C26H34F3N7O4S/c1-16-12-25(5,6)35(13-16)22-18(23(37)33-41(38,39)19-14-34(7)31-17(19)2)8-9-20(30-22)36-11-10-21(32-36)40-15-24(3,4)26(27,28)29/h8-11,14,16H,12-13,15H2,1-7H3,(H,33,37)/t16-/m0/s1
  • Key:MVRHVFSOIWFBTE-INIZCTEOSA-N

It is available in a single pill with ivacaftor and tezacaftor; the fixed-dose combination, elexacaftor/tezacaftor/ivacaftor (brand name Trikafta), is used to treat people with cystic fibrosis who are homozygous for the f508del mutation. This combination was approved for medical use in the United States in 2019.

The fixed-dose combination elexacaftor/tezacaftor/ivacaftor (Kaftrio) was approved for medical use in the European Union in August 2020, for the treatment of cystic fibrosis.

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