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🏛️國立陽明交通大學機構典藏

Author: search.filters.author.Huang, Jee-FuSubject: search.filters.subject.treatment

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    An Open-Label, Randomized, Active-Controlled Trial of 8 Versus 12 Weeks of Elbasvir/Grazoprevir for Treatment-Naive Patients With Chronic Hepatitis C Genotype 1b Infection and Mild Fibrosis (EGALITE Study): Impact of Baseline Viral Loads and NS5A Resistance-Associated Substitutions
    (2019-08-15)
    Huang, Chung-Feng
    ;
    Hung, Chao-Hung
    ;
    Cheng, Pin-Nan
    ;
    Bair, Ming-Jong
    ;
    Huang, Yi-Hsiang
    Background. A 12-week grazoprevir/elbasvir regimen is highly effective against hepatitis C virus genotype 1 (HCV-1) infection. The efficacy of an 8-week regimen for treatment-naive HCV-1-infected patients with mild fibrosis has not been determined. Methods. Treatment-naive HCV-1b-infected patients with mild fibrosis were randomly assigned to receive 8 (n = 41) or 12 (n = 41) weeks of grazoprevir/elbasvir therapy. The primary end point was a sustained virologic response, defined as an HCV RNA level of < 12 IU/mL, at posttreatment week 12 (SVR12). Results. SVR12 was achieved by 87.8% of patients (36 of 41) in the 8-week arm and 100% (41 of 41) in the 8-week arm of the full-analysis population and by 90.0% (36 of 40) and 100% (41 of 41), respectively, in the per-protocol population (all P = .055). In the 8-week arm, a significantly lower SVR12 rate was observed among patients with a high HCV-1b load, defined as >= 1 500 000 IU/mL (79% vs 100%; P =.042), and among those with a baseline Y93H resistance-associated substitution (RAS) frequency of >15% in HCV nonstructural protein 5A (NS5A; 40.0% vs 97.1%; P = .004). Between-group analysis demonstrated that, among patient with a high HCV-1b load and a baseline Y93H RAS frequency of >15%, those in the 8-week arm had a substantially lower SVR12 rate than those in the 12-week arm (40.0% vs 100.0%). All 4 HCV-1b relapses had a Y93H RAS frequency of >99% at posttreatment week 12. Conclusions. Twelve weeks of grazoprevir/elbasvir therapy is highly effective for treatment-naive patients with mild fibrosis. A truncated, 8-week grazoprevir/elbasvir regimen might be applied for those with low viral loads or without a significant NS5A RAS frequency.
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    Ribavirin facilitates early viral kinetics in chronic hepatitis C patients receiving daclatasvir/asunaprevir
    (1970-01-01)
    Huang, Chung-Feng
    ;
    Yeh, Ming-Lun
    ;
    Huang, Ching-, I
    ;
    Liang, Po-Cheng
    ;
    Lin, Yi-Hun
    Background and Aim Ribavirin (RBV) remains crucial in difficult-to-cure chronic hepatitis C patients receiving directly acting antivirals (DAAs). The current study aimed to address whether RBV enhanced early viral kinetics in patients with DAAs. Methods Hepatitis C virus (HCV) genotype-1b patients were allocated to daclatasvir/asunaprevir +weight-based RBV (1000-1200 mg/day) for 12-24 weeks. HCV RNA levels were compared at day 1, week 1, week 2, and week 4 of treatment. Results The sustained virological response rate was 100% (67/67) and 96.7% (59/61) in the RBV and non-RBV group, respectively. The HCV RNA levels at treatment week 2 (W2) were significantly lower in the RBV group than in the non-RBV group (0.42 +/- 0.81 log IU/mL vs 0.79 +/- 1.03 log IU/mL, P = 0.04). Among the intermediate responders who remained to have detectable RNA after W1 of treatment, patients with RBV had a significantly higher rate of undetectable HCV RNA (71.4% vs 36.0%, P = 0.003) and lower HCV RNA level at W2 (0.55 +/- 0.89 log IU/mL vs 1.32 +/- 1.04 log IU/mL, P = 0.001). A more significant magnitude of HCV RNA reduction was also noted from baseline to day 1 (3.15 +/- 0.38 log IU/mL vs 2.80 +/- 0.70 log IU/mL, P = 0.009) and W1 to W2 (1.40 +/- 0.65 log IU/mL vs 0.88 +/- 0.78 log IU/mL, P = 0.007) in the RBV group compared to the non-RBV group among the intermediate responders. Logistic regression analysis revealed that adding RBV independently predicted undetectable HCV RNA at W2 (odds ratio/confidence interval: 4.74/1.54-14.57, P = 0.007) in the intermediate responders. Conclusions Adding RBV to DAAs improved early viral kinetic, in particular, for intermediate responders.