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Background Since most patients with hepatitis C virus (HCV) infection now receive treatment irrespective of liver disease severity, special attention to patient quality of life (QoL), including psycho-social aspects, is required. No QoL questionnaire is specific for patients with HCV. Aims To develop and validate a short Italian questionnaire (HepaDisk) assessing the QoL of patients affected by HCV with intuitive graphic results that is understandable by patients and physicians. Methods A questionnaire, drafted by a steering committee, underwent a Delphi survey. A multicenter, observational study was conducted to validate the developed HepaDisk versus other tools (CLDQ-I, SF-36, WPAI:HCV), and to evaluate its correlation with disease severity in Italian patients with HCV. Results The 10-item questionnaire was validated in 214 patients. HepaDisk showed a high correlation with CLDQ overall score and WPAI:HCV activity impairment (Spearman’s rank correlation: 0.651 and 0.595, respectively) and a lower correlation with SF-36. Strong internal consistency (Cronbach coefficient: 0.912), good test–retest reliability (Pearson’s correlation coefficient: 0.789; 95% CI, 0.714–0.865), and responsiveness to changes among improved patients were demonstrated. Conclusion HepaDisk is a reliable and user-friendly tool that can monitor disease impact on patient QoL over time, providing a visual representation easily understandable by both patients and physicians.

Therapy of acute hepatitis C (AHC) has not yet been standardized and several issues are still unresolved. This open, randomized, multicenter trial aimed to assess the efficacy and safety of a 24-week course of pegylated IFN (Peg-IFN) alpha-2b versus a 12-week course of Peg-IFN alpha-2b alone or with ribavirin (RBV) in AHC patients. One hundred and thirty HCV acutely infected patients who did not spontaneously resolve by week 12 after onset were consecutively enrolled and randomized to receive Peg-IFN alpha-2b monotherapy (1.5 μg/kg/week) for 24 or 12 weeks (arm 1, n = 44 and arm 2, n = 43, respectively) or in combination with RBV (10.6 mg/kg/day) for 12 weeks (arm 3, n = 43). The primary endpoint was undetectable HCV RNA at 6-month posttreatment follow-up (sustained virological response; SVR). All patients were followed for 48 weeks after therapy cessation. HCV RNA levels were determined by real-time polymerase chain reaction (limit of detection: 15 IU/mL) at the central laboratory at baseline, week 4, end of treatment, and 6 and 12 months posttreatment. Using an intent-to-treat analysis, overall SVR rate was 71.5%. In particular, an SVR was achieved in 31 of 44 (70.5%), 31 of 43 (72.1%), and 31 of 43 (72.1%) patients in arms 1, 2, and 3, respectively (P = 0.898). Sixteen patients (12.3%) prematurely discontinued therapy or were lost to follow-up; thus, sustained response rates with per-protocol analysis were 81.6%, 81.6%, and 81.6% for patients in arms 1, 2, and 3 respectively. With multivariate analysis, virologic response at week 4 of treatment was an independent predictor of SVR. Peg-IFN alpha-2b was well tolerated. Conclusion: Peg-IFN alpha-2b induces a high SVR in chronically evolving AHC patients. Response rates were not influenced by combination therapy or treatment duration. © 2014 by the American Association for the Study of Liver Diseases.

This nonrandomized study compared the virologic and immunologic responses to potent regimens containing either efavirenz or nevirapine after considering potential systematic differences between patients receiving these drugs. Virologic failure was defined as the first of 2 consecutive measurements of virus load >500 human immunodeficiency virus RNA copies/mL. Of the 694 patients included in the analysis, 460 (66.3%) started nevirapine and 234 (33.7%) started efavirenz. The adjusted relative hazard of virologic failure for patients who started nevirapine, compared with those who started efavirenz, was 2.08 (95% confidence interval, 1.37-3.15; P=.0006). In addition, patients receiving efavirenz tended to recover 5 CD4 cells/microL more per quarter (P=.05). Although comparisons of drug efficacy in nonrandomized studies should be viewed with caution, no results from randomized controlled comparisons of these drugs are thought to be available. The findings of this study are in agreement with those of other observational studies.

INTRODUCTION: We assessed the performance of direct-acting antivirals (DAAs) in hepatitis C virus (HCV)-infected people who use drugs (PWUDs) in terms of sustained virological response (SVR) and adherence rates in comparison to a location-matched cohort of non-PWUD HCV patients. METHODS: All consecutive HCV RNA-positive PWUDs were enrolled between 2015 and 2019. All subjects underwent DAA treatment according to international guidelines and then followed, at least, up to 12 weeks after the end of treatment (SVR12). The SVR and adherence to treatment was compared with that of non-PWUD HCV patients observed at hepatological units of the CLEO platform. Intention-to-treat analysis was performed. RESULTS: A total of 1,786 PWUDs who were followed up were available for assessment. Most PWUDs (85.4%) were managed inside the specialized outpatient addiction clinics (SerDs). The overall SVR rate was 95.4%. The SerDs group achieved an SVR rate of 96.2% compared with 91.6% of the non-SerDs group (P < 0.001). Comparison with the non-SerDs group and the control HCV group showed a significant difference in the dropout rate (0.6% in the SerDs group versus 2.8% in the non-SerDs group and 1.2% in the control group; P < 0.001). At multivariate analysis, factors independently associated with SVR were use of the most recent regimens (elbasvir/grazoprevir, glecaprevir/pibrentasvir, and sofosbuvir/ velpatasvir; odds ratio: 3.126; P 5 0.000) and belonging to the SerDs group (odds ratio: 2.356; P 5 0.002). DISCUSSION: The performance of DAAs in PWUD is excellent, if 2 conditions are met: (i) that the latest generation drugs are used and (ii) that the patients are managed within the SerDs.

BACKGROUND AND AIMS It is paramount to identify predictors of treatment failure with direct antiviral agents in 'field-practice' patients, including people who inject drugs (PWID). Data on the efficacy of glecaprevir/pibrentasvir (GLE/PIB) in a field-practice scenario are scant. The multicentre MISTRAL study enrolled 1177 patients, including PWID, to assess real-life efficacy and safety of GLE/PIB and to identify the predictive factors for this treatment. METHODS This was a prospective, longitudinal study. The outcome variable was the rate of sustained virological response (SVR) at week 12. RESULTS A total of 123 patients (10%) were infected from hepatitis C virus (HCV) 3. METAVIR fibrosis score was F4 in 104 subjects (9%); 118 patients (10%) were PWID. Overall, 1163/1177 (99%) patients achieved SVR. The baseline clinical factors discriminating between treatment success and treatment failure were age at treatment (P = 0.031) and creatinine level (P = 0.034). SVR rates were not influenced by gender, substance abuse, previous treatment, treatment duration, fibrosis or chronic kidney disease stage. Compared with non-substance users, the 118 PWID exhibited a significantly different genotype pattern distribution (χ2

Direct antiviral agents (DAAs) have led to high sustained virological responses (SVR) in hepatitis C virus (HCV) patients. However, genotype 3 patients respond to treatment in a suboptimal way. This study aims to identify which of the several treatment schedules recommended for genotype 3 would constitute the best option.Twenty-four Italian centers were involved in this real-life study of HCV genotype 3 patients treated with DAAs. To expand the number of cases, we conducted a systematic review of the literature on the outcome of genotype 3 patients treated with DAAs.A total of 233 patients with HCV genotype 3 were enrolled. Cirrhotic patients accounted for 83.7%. Overall, the SVR12 rate was achieved by 205 patients (88.0%); the SVR rates were 78.8% after sofosbuvir/ribavirin, 92.5% after sofosbuvir/daclatasvir ± ribavirin, and 100% after sofosbuvir/ledipasvir (seven patients). No difference in rate of SVR was observed in cirrhotic and non-cirrhotic patients (92.2 vs 94.4) using a combination regimen of NS5A and NS5B inhibitors.The systematic review of the literature provided data of 3311 patients: The mean weighted SVR12 rate was 84.4% (CI: 80.4-87.8); the rates varied from 79.0% (CI: 70.9-85.3) with sofosbuvir/ribavirin, to 83.7% (CI: 66.2-93.1) with sofosbuvir/ledispavir, and to 88.2% (CI: 83.3-91.7) with sofosbuvir/daclatasvir.Our results reinforce the concept that patients with HCV genotype 3 should no longer be considered difficult-to-treat individuals. The optimal therapeutic regimen for these patients appears to be the combination sofosbuvir/daclatasvir, administered for 12 weeks without the use of RBV in non-cirrhotic patients. In cirrhotics the meta-analytic approach suggests extending therapy to 24 weeks.

Background & Aims In patients with chronic HCV-1 infection, recent evidences indicate that determination of a dinucleotide polymorphism (ss469415590, ΔG/TT) of a new gene, designated IFN λ-4, might be more accurate than the 12979860CC type of the IL28B locus in predicting sustained virological response (SVR) following peg-interferon and ribavirin. In addition, combined genotyping of different SNPs of the IL28B locus was shown to help dissect patients most prone to SVR among those with rs12979860CT. We examined whether single or combined genotyping of two IL28B SNPs, rs12979860 and rs8099917, and ss469415590 variation might improve the prediction of SVR. Results In the study cohort of 539 patients, 38% had SVR. The SNPs 12979860CC, rs8099917TT, and rs469415590TT/TT correlated significantly with SVR (68%, 50%, and 67%). Carriers of either the triplotype rs12979860CC_ss469415590TT/TT_rs8099917TT or the diplotype rs12979860CC_ss469415590TT/TT had the highest SVR rate (72%). In carriers of the rs12979860 T allele, neither the rs8099917 nor the ss469415590 improved the response prediction. After pooling this finding with data from previous studies, in rs12979860 T heterozygous individuals the co-presence of the rs8099917TT SNP was associated with improved response prediction. Conclusion In HCV-1 patients, the rs12979860 polymorphism appeared as the hit SNP better predicting response following peg-interferon and ribavirin treatment. Additional ss469415590 or rs8099917 genotyping had no added benefit for response prediction. In the subset of carriers of the rs12979860 T allele, genotyping of the rs8099917 SNP was unhelpful in the present investigation, but may inform clinical prediction of treatment response when our data were pooled with previous investigations.

Background Sustained virological response (SVR12) rates at 12 weeks after treatment for HCV-infected patients with decompensated cirrhosis are used when referring to those with moderate functional impairment, while few data are available for those with more severe impairment. The use of the cirrhosis staging system proposed by D’Amico might provide new insights on timing for antiviral therapy. Methods We investigated efficacy (SVR12), safety, and post-treatment variations in clinical and laboratory parameters in 2612 patients with advanced fibrosis (n = 575) or cirrhosis (n = 2037). Cirrhosis was in the compensated phase (without/with varices) or had previously been in the decompensated stage. Different direct-acting antiviral (DAA) regimens were administered in accordance with scientific guidelines. Results The SVR12 rate was 97.6% in patients with advanced fibrosis. For patients with cirrhosis, the rate was 96.5% in stage 1, 95.1% in stage 2, 100% in stage 3, 95.7% in stage 4, and 93.6% in stage 5. These rates were independent of gender, age, HCV genotype, and treatment schedule. Positive changes in biochemical parameters and CPT classes following therapy were evident in compensated and previously decompensated patients. Conclusion Our findings support the use of DAAs in patients with advanced cirrhosis (stages 3–5) who are at greatest risk and have the most to gain from therapy.

none 29 no Background: Aim was to select naïve patients with genotype 1 chronic hepatitis C having a high probability of response to Peg-interferon. +. ribavirin therapy. Methods: In 1073 patients (derivation cohort), predictors of rapid and sustained virological response were identified by logistic analysis; regression coefficients were used to generate prediction models for sustained virological response. Probabilities at baseline and treatment week 4 were utilized to develop a decision rule to select patients with high likelihood of response. The model was then validated in 423 patients (validation cohort). Results: In the derivation cohort, 257 achieved rapid virological response and 818 did not, with sustained virological response rates of 80.2% and 25.4%, respectively; interleukin-28B polymorphisms, fibrosis staging, gamma-glutamyl transferase, and viral load predicted sustained virological response. Assuming a