VRTX: Vertex Reports 52% SVR 12 Rate for a 24-week Telaprevir-based Regimen in Genotype 1 Hepatitis C Patients Who Failed Prior Treatment Monday June 9, 7:30 am ET -- 73% of prior relapsers achieved SVR12 with 24-week telaprevir-based treatment -- 41% of prior non-responders achieved SVR12 with 24-week telaprevir-based regimen