On March 4, 2021, Vertex Pharmaceuticals organized an online symposium for cystic fibrosis (CF) specialists in the Czech Republic, with the aim of officially launching Kaftrio(R) (ivacaftor / tezakaftor / elexacaftor) on the domestic market. The invitation was accepted by almost all doctors who deal with cystic fibrosis patients, a total of 35 participants registered.