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Outcomes and predictors of treatment response with sofosbuvir plus daclatasvir with or without ribavirin in Egyptian patients with genotype 4 hepatitis C virus infection.

ABSTRACT: Background and aims:Treatment of hepatitis C virus (HCV) changed dramatically with the introduction of oral direct-acting antiviral drugs due to their high antiviral potency and safety profile. Sofosbuvir plus daclatasvir combination therapy was extensively investigated in HCV genotypes 1, 2, and 3, while published data regarding its real-life application in the treatment of genotype 4 is lacking. Therefore, we conducted this study to assess the outcomes and predictors of treatment response with sofosbuvir plus daclatasvir with or without ribavirin in Egyptian patients with genotype 4 hepatitis C virus infection. Patients and methods:This prospective study included 300 Egyptian patients with chronic genotype 4 HCV, treated with sofosbuvir plus daclatasvir with or without ribavirin for 12-24 weeks. Primary outcome was the number of patients who achieved sustained virologic response (SVR12), and secondary outcome was the occurrence of adverse events. Results:A total of 92.67% of all patients achieved SVR12. SVR12 rates of 96.55% and 84.54% were reported in non-cirrhotic and cirrhotic patients, respectively. SVR12 in treatment-naïve and treatment-experienced patients were 94.12% and 87.01%, respectively. A total of 19.7% of patients experienced mild adverse events. Older age, cirrhosis, and low platelet count were the predictors of treatment non-response. Conclusion:Based on this multi-center prospective study, sofosbuvir plus daclatasvir with or without ribavirin for 12-24 weeks appears to have favorable outcomes in the treatment of genotype 4 HCV-infected Egyptian patients. Older age, cirrhosis, especially Child-Pugh class B, and low platelet count are independent risk factors of treatment non-response.

SUBMITTER: Ahmed OA

PROVIDER: S-EPMC5878661 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Outcomes and predictors of treatment response with sofosbuvir plus daclatasvir with or without ribavirin in Egyptian patients with genotype 4 hepatitis C virus infection.

Ahmed Ossama A OA Elsebaey Mohamed A MA Fouad Mohamed Hassan A MHA Elashry Heba H Elshafie Ahmed I AI Elhadidy Ahmed A AA Esheba Noha E NE Elnaggar Mohammed H MH Soliman Shaimaa S Abd-Elsalam Sherief S

Infection and drug resistance 20180328

<h4>Background and aims</h4>Treatment of hepatitis C virus (HCV) changed dramatically with the introduction of oral direct-acting antiviral drugs due to their high antiviral potency and safety profile. Sofosbuvir plus daclatasvir combination therapy was extensively investigated in HCV genotypes 1, 2, and 3, while published data regarding its real-life application in the treatment of genotype 4 is lacking. Therefore, we conducted this study to assess the outcomes and predictors of treatment respo ...[more]

PMID: 29628768

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Project description:BACKGROUND & AIMS:The interferon-free regimen of simeprevir plus sofosbuvir was recommended by professional guidelines for certain patients with hepatitis C virus (HCV) genotype 1 infection based on the findings of a phase 2 trial. We aimed to evaluate the safety and efficacy of this regimen in clinical practice settings in North America. METHODS:We collected demographic, clinical, and virologic data, as well as reports of adverse outcomes, from sequential participants in HCV-TARGET--a prospective observational cohort study of patients undergoing HCV treatment in routine clinical care settings. From January through October 2014, there were 836 patients with HCV genotype 1 infection who began 12 weeks of treatment with simeprevir plus sofosbuvir (treatment duration of up to 16 weeks); 169 of these patients received ribavirin. Most patients were male (61%), Caucasian (76%), or black (13%); 59% had cirrhosis. Most patients had failed prior treatment with peginterferon and ribavirin without (46%) or with telaprevir or boceprevir (12%). The primary outcome was sustained virologic response (SVR), defined as the level of HCV RNA below quantification at least 64 days after the end of treatment (beginning of week 12 after treatment--a 2-week window). Logistic regression models with inverse probability weights were constructed to adjust for baseline covariates and potential selection bias. RESULTS:The overall SVR rate was 84% (675 of 802 patients, 95% confidence interval, 81%-87%). Model-adjusted estimates indicate patients with cirrhosis, prior decompensation, and previous protease inhibitor treatments were less likely to achieve an SVR. The addition of ribavirin had no detectable effects on SVR. The most common adverse events were fatigue, headache, nausea, rash, and insomnia. Serious adverse events and treatment discontinuation occurred in only 5% and 3% of participants, respectively. CONCLUSIONS:In a large prospective observational cohort study, a 12-week regimen of simeprevir plus sofosbuvir was associated with high rates of SVR and infrequent treatment discontinuation. ClinicalTrials.gov: NCT01474811.

Project description:Chronic hepatitis C virus (HCV) infection with advanced cirrhosis or post-liver transplantation recurrence represents a high unmet medical need with no approved therapies effective across all HCV genotypes. The open-label ALLY-1 study assessed the safety and efficacy of a 60-mg once-daily dosage of daclatasvir (pan-genotypic NS5A inhibitor) in combination with sofosbuvir at 400 mg once daily (NS5B inhibitor) and ribavirin at 600 mg/day for 12 weeks with a 24-week follow-up in two cohorts of patients with chronic HCV infection of any genotype and either compensated/decompensated cirrhosis or posttransplantation recurrence. Patients with on-treatment transplantation were eligible to receive 12 additional weeks of treatment immediately after transplantation. The primary efficacy measure was sustained virologic response at posttreatment week 12 (SVR12) in patients with a genotype 1 infection in each cohort. Sixty patients with advanced cirrhosis and 53 with posttransplantation recurrence were enrolled; HCV genotypes 1 (76%), 2, 3, 4, and 6 were represented. Child-Pugh classifications in the advanced cirrhosis cohort were 20% A, 53% B, and 27% C. In patients with cirrhosis, 82% (95% confidence interval [CI], 67.9%-92.0%) with genotype 1 infection achieved SVR12, whereas the corresponding rates in those with genotypes 2, 3, and 4 were 80%, 83%, and 100%, respectively; SVR12 rates were higher in patients with Child-Pugh class A or B, 93%, versus class C, 56%. In transplant recipients, SVR12 was achieved by 95% (95% CI, 83.5%-99.4%) and 91% of patients with genotype 1 and 3 infection, respectively. Three patients received peritransplantation treatment with minimal dose interruption and achieved SVR12. There were no treatment-related serious adverse events.The pan-genotypic combination of daclatasvir, sofosbuvir, and ribavirin was safe and well tolerated. High SVR rates across multiple HCV genotypes were achieved by patients with post-liver transplantation recurrence or advanced cirrhosis.

Dataset Information

Outcomes and predictors of treatment response with sofosbuvir plus daclatasvir with or without ribavirin in Egyptian patients with genotype 4 hepatitis C virus infection.

Publications

Outcomes and predictors of treatment response with sofosbuvir plus daclatasvir with or without ribavirin in Egyptian patients with genotype 4 hepatitis C virus infection.

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