Vertex Presents Longer-Term Data at the 2025 European Hematology Association (EHA) Congress Demonstrating Durability of CASGEVY® and Provides Update on Expanding Global Access to CASGEVY.

LONDON - June 12, 2025 - Vertex Pharmaceuticals (Nasdaq: VRTX) today announced positive longer-term data for CASGEVY® (exagamglogene autotemcel) from global clinical trials in people with severe sickle cell disease (SCD) or transfusion-dependent beta thalassemia (TDT). The results, presented at the European Hematology Association (EHA) Congress, continue to demonstrate the transformative, durable clinical benefits of CASGEVY. The longest follow up in SCD patients now extends more than 5.5 years and in TDT patients more than 6 years, with a mean of 39.4 months and 43.5 months, respectively...