The ECFS-CTN cannot guarantee that the information provided here is comprehensive. Please go to the ClinicalTrials.gov link for detailed and up-to-date information on study background, eligibility criteria, study design, outcome measures, study status, participating sites, sponsor contact information and timelines.

You can also contact the CTN coordinating centre for additional information: ECFS-CTN@uzleuven.be

Study Name on
ClinicalTrials.gov (link is external)
A Study Evaluating the Long-term Safety and Efficacy of VX-121 Combination Therapy
Study Drug VX-121/TEZ/D-IVA
Type of Study Drug CFTR Modulation
Study Title A Phase 3, Open-label Study Evaluating the Long-term Safety and Efficacy of VX-121 Combination Therapy in Subjects With Cystic Fibrosis
Study Phase 3
Study Sponsor Vertex

Link on
clinicaltrials.gov (link is external)

https://clinicaltrials.gov/ct2/show/NCT05444257 

Participating ECFS-CTN sites Please contact ecfs-ctn@uzleuven.be for most recent sitelist
Age Pediatric and Adult patients