New Releases from NCBI BookshelfVanzacaftor-tezacaftor-deutivacaftor for treating cystic fibrosis with 1 or more F508del mutations in the CFTR gene in people 6 years and over.Vanzacaftor-tezacaftor-deutivacaftor for treating cystic fibrosis with 1 or more F508del mutations in the CFTR gene in people 6 years and over.