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Vertex to Present New Data on ALYFTREK® at the North American Cystic Fibrosis Conference

Key Takeaway: Vertex Pharmaceuticals announced promising interim data from the ALYFTREK® study, which focuses on children aged 2 to 5 with cystic fibrosis. The data indicates that some children have shown recovery of exocrine pancreatic function, allowing them to stop pancreatic enzyme replacement therapy. This marks a significant advancement in the treatment of cystic fibrosis.

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POSITIVE FACTORS

  • New data shows recovery of pancreatic function in young CF patients.
  • Children can discontinue pancreatic enzyme replacement therapy.
  • Study highlights significant progress in treating cystic fibrosis.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+13%
120-day peak, hindsight
Typical move
1.9%
average across 14 past catalysts
Lead asset
VX-880
Phase 3 · Diabetes Mellitus, Type 1

Full Press Release Details

BOSTON--(BUSINESS WIRE)--Vertex Pharmaceuticals Incorporated (Nasdaq: VRTX) today announced new interim data from the ALYFTREK® (vanzacaftor/tezacaftor/deutivacaftor) 2 to 5 years old open-label extension study, highlighting recovery of exocrine pancreatic function in some children in that age group, allowing those children to discontinue pancreatic enzyme replacement therapy (PERT). Pancreatic exocrine insufficiency in children with cystic fibrosis (CF) was previously believed to be irreversib

Frequently Asked Questions

What is the ALYFTREK® study about?

The ALYFTREK® study investigates the effects of vanzacaftor/tezacaftor/deutivacaftor on young children with cystic fibrosis.

What age group does the ALYFTREK® study focus on?

The study focuses on children aged 2 to 5 years old.

What significant finding was reported from the study?

The study reported recovery of exocrine pancreatic function in some children.

What therapy can some children discontinue?

Some children can discontinue pancreatic enzyme replacement therapy (PERT).

Last updated: Oct 9, 2026