• Sheridan M Hoy.
• Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand. dru@adis.com.
• Drugs. 2019 Dec 1; 79 (18): 2001-2007.

AbstractA fixed-dose combination tablet of the cystic fibrosis transmembrane conductance regulator (CFTR) corrector tezacaftor and the CFTR potentiator ivacaftor with the next-generation CFTR corrector elexacaftor (hereafter referred to as elexacaftor/ivacaftor/tezacaftor) [Trikafta™] has been developed by Vertex Pharmaceuticals Inc. to treat patients with the most common cystic fibrosis mutation (F508del). Its use has been associated with statistically significant and/or clinically meaningful improvements in lung function and respiratory-related quality of life compared with comparator regimens (placebo or ivacaftor/tezacaftor) in multinational phase II and III studies, and in October 2019 elexacaftor/ivacaftor/tezacaftor was approved by the US FDA for the treatment of cystic fibrosis in patients aged ≥ 12 years who have ≥ 1 F508del mutation in the CFTR gene. A regulatory assessment for elexacaftor/ivacaftor/tezacaftor as a treatment for cystic fibrosis is underway in the EU. This article summarizes the milestones in the development of elexacaftor/ivacaftor/tezacaftor leading to this first approval for the treatment of cystic fibrosis in patients aged ≥ 12 years who have ≥ 1 F508del mutation in the CFTR gene.

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