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Vertex Presents New Data on ALYFTREK® at European Cystic Fibrosis Conference

$VRTXPress releaseJun 5, 2026, 12:00 PM ETRead the release

Vertex presented positive Phase 3 data for ALYFTREK in children with cystic fibrosis ages 2 to 5, showing 65% achieved sweat chloride levels below 30 mmol/L, a marker of near-normal CFTR function. The company plans to initiate global regulatory submissions for this new indication in the first half of 2026, expanding its core franchise into younger pediatric populations.

Key figures

Drug Name
ALYFTREK
Phase Of Trial
Phase 3
Alyftrek study n
67
Trikafta study n
54
Alyftrek swcl lt 30 pct
65%
Alyftrek swcl lt 60 pct
92%
Trikafta swcl lt 30 pct
68.6%
Trikafta swcl lt 60 pct
98.0%
Alyftrek long term weeks
96
Cf patients treated globally
75000
Alyftrek study duration weeks
24
Trikafta study duration weeks
24
Alyftrek swcl reduction mmol l
-9.6
Trikafta swcl reduction mmol l
-71.8

AI analysis

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