Evaluation of Long-term Safety and Efficacy of ELX/TEZ/IVA in Cystic Fibrosis (CF) Participants 2 Years and Older

A Phase 3 Open-label Study Evaluating the Long-term Safety and Efficacy of Elexacaftor/Tezacaftor/Ivacaftor Triple Combination Therapy in Cystic Fibrosis Subjects 2 Years and Older

The purpose of this study is to evaluate the long term safety, tolerability, efficacy and pharmacodynamics of elexacaftor (ELX)/tezacaftor (TEZ)/ivacaftor (IVA) in CF participants 2 years of age and older.

key Inclusion Criteria:

• Completed study drug treatment in the parent study (VX20-445-111 Part B, NCT04537793), or had study drug interruption(s) in the parent study, but did not permanently discontinue study drug, and completed study visits up to the last scheduled visit of the Treatment Period of the parent study

Key Exclusion Criteria:

• History of study drug intolerance in the parent study
• History of poor compliance with ELX/TEZ/IVA and/or procedures in the parent study

Other protocol defined Inclusion/Exclusion criteria may apply