Cystic Fibrosis
Conditions
Brief summary
The purpose of this study is to evaluate the long-term safety, tolerability, and efficacy of VX-121/tezacaftor/deutivacaftor (VX-121/TEZ/D-IVA) in participants with cystic fibrosis.
Interventions
Fixed-dose combination tablets for oral administration.
Sponsors
Study design
Eligibility
Inclusion criteria
Key Inclusion Criteria: * Part A: Completed study drug treatment in a parent study VX20-121-102 (NCT05033080) and VX20-121-103 (NCT05076149); or had study drug interruption(s) in a parent study but did not permanently discontinue study drug, and completed study visits up to the last scheduled visit of the Treatment Period in the parent study * Part B: Completed study drug treatment in Part A; or had study drug interruption(s) in Part A, but did not permanently discontinue study drug, and completed study visits up to the last scheduled visit of the Treatment Period of Part A Key
Exclusion criteria
* History of drug intolerance in a parent study * Pregnant or breast-feeding females at the time of enrollment in Part A Other protocol defined Inclusion/
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) | From Baseline up to Week 148 |
Secondary
| Measure | Time frame |
|---|---|
| Absolute Change From Baseline in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) | From Baseline up to Week 144 |
| Absolute Change From Baseline in Sweat Chloride (SwCl) | From Baseline up to Week 144 |
| Number of Pulmonary Exacerbations (PEx) | From Baseline up to Week 144 |
Countries
Australia, Austria, Belgium, Canada, Czechia, Denmark, France, Germany, Greece, Hungary, Ireland, Israel, Italy, Netherlands, New Zealand, Norway, Poland, Portugal, Spain, Sweden, Switzerland, United Kingdom, United States