If At First You Don't Succeed, Trikafta Again

J Pediatr Pharmacol Ther. 2022;27(5):467-469. doi: 10.5863/1551-6776-27.5.467. Epub 2022 Jul 6.

Abstract

Adverse reactions, including severe cutaneous reactions, to cystic fibrosis transmembrane conductance regulator (CFTR) modulators have been described in the literature. Herein we present a drug eruption in response to elexacaftor/tezcaftor/ivacaftor (brand name, Trikafta) in a 7-year-old male with cystic fibrosis, followed by desensitization and successful continuation. A review of the literature outlining similar cases is provided. Attempting to mitigate and manage drug reactions to CFTR modulators is essential because they represent vital and irreplaceable therapies for individuals with cystic fibrosis (CF).

Keywords: CFTR modulator; cystic fibrosis; desensitizat urticaria; elexacaftor; ivacaftor; tezacaftor.