Vertex to Initiate Phase 3 Development Program for New Once-Daily Triple Combination Regimen in People With Cystic Fibrosis
Complete data from the Phase 2 clinical study of VX-121/tezacaftor/VX-561 and the VX-561 Phase 2 monotherapy study will be presented at a later date.
- Complete data from the Phase 2 clinical study of VX-121/tezacaftor/VX-561 and the VX-561 Phase 2 monotherapy study will be presented at a later date.
- The primary endpoint in both studies is the absolute change from baseline in ppFEV1, which will be analyzed for non-inferiority to TRIKAFTA.
- Both studies will also assess absolute change from baseline in ppFEV1 and sweat chloride for superiority to TRIKAFTA.
- The VX-121/tezacaftor/VX-561 program was granted Fast Track and Orphan Drug Designations from the U.S. Food and Drug Administration for the treatment of cystic fibrosis.