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Vertex Pharmaceuticals Incorporated Message Board

  • pinvestment pinvestment Nov 5, 2007 4:02 PM Flag

    nitazoxanide trial was in type4 not type1 HCV

    it is amazing what people will latch on to

    it will be interesting to see what VRTX has to say tonight as the street.com says it is holding an investor meeting tonight and will report additional data tomorrow morning
    but one needs to consider that pegylated interferon alone can give a more than 80% SVR for type 4

    so the new data that is considered to be so damaging for VRTX is actually for a genotype of HepC that is already very easy to treat with interferon alone

    check it out for yourself

    Pegylated interferon alpha-2b plus ribavirin in patients with genotype 4 chronic hepatitis C: The role of rapid and early virologic response.

    Kamal SM, El Kamary SS, Shardell MD, Hashem M, Ahmed IN, Muhammadi M, Sayed K, Moustafa A, Hakem SA, Ibrahiem A, Moniem M, Mansour H, Abdelaziz M.
    Department of Gastroenterology and Hepatology, Ain Shams University, Cairo, Egypt.
    In patients chronically infected with hepatitis C virus (HCV) genotype 4, the optimum duration of therapy and the predictors of sustained virologic response (SVR) have not been adequately determined. In this study, 358 patients with chronic hepatitis C genotype 4 were randomly assigned to pegylated interferon (PEG-IFN) alpha-2b (1.5 mug/kg/week) plus oral ribavirin (10.6 mg/kg/day) for a fixed duration of 48 weeks (control group, n = 50) or for a variable duration (n = 318). In the variable-duration group, patients with undetectable HCV RNA at week 4 were treated for 24 weeks (group A, n = 69), patients with undetectable HCV RNA at week 12 were treated for 36 weeks (group B, n = 79), and the rest of the patients were treated for 48 weeks (group C, n = 160). The primary endpoint was SVR (undetectable HCV RNA 24 weeks after treatment cessation). Groups A-C and the control group had SVR rates of 86%, 76%, 56%, and 58%, respectively. After the study was controlled for predictors, a low baseline histologic grade and stage were associated with SVR (P < 0.029) in all groups. In addition, among patients in group C, older age (P = 0.04), a higher baseline body mass index (P = 0.013), and low baseline HCV RNA (P < 0.001) were also associated with SVR attainment. The incidence of adverse events and the rate of discontinuation were higher in patients in the variable-duration and fixed-duration groups treated for 48 weeks. Conclusion: In patients with chronic hepatitis C genotype 4 and undetectable HCV RNA at weeks 4 and 12, treatment with PEG-IFN alpha-2b and ribavirin for 24 weeks and 36 weeks, respectively, is sufficient. (HEPATOLOGY 2007.).

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