A Study of VX-121 Combination Therapy in Participants With Cystic Fibrosis (CF) Who Are Homozygous for F508del, Heterozygous for F508del and a Gating (F/G) or Residual Function (F/RF) Mutation, or Have At Least 1 Other Triple Combination Responsive (TCR) CFTR Mutation and No F508del Mutation
Conditions
Interventions
- DRUG: VX-121/TEZ/D-IVA
- DRUG: ELX/TEZ/IVA
- DRUG: IVA
- DRUG: Placebo (matched to VX-121/TEZ/D-IVA)
- DRUG: Placebo (matched to ELX/TEZ/IVA)
- DRUG: Placebo (matched to IVA)
Sponsor
Vertex Pharmaceuticals Incorporated