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Background/Aims: Middle Eastern countries, including Saudi Arabia to some extent, are endemic for chronic hepatitis B (CHB) infection which could be associated with high mortality and comorbidities risk. However, limited data characterizing this CHB population exists. Our aim was to characterize and compare CHB patients in 2015 with those in 2010 and 2012 in Saudi Arabia. Patients and Methods: We conducted and compared three cross-sectional analyses of adult patients with CHB defined as either positive hepatitis B surface antigen or documented CHB history in 2010, 2012, and 2015. Data were accessed from the multicenter Systematic Observatory Liver Disease Registry (SOLID). Results: A total of 765 CHB patients were identified in 2010 ( n = 274), 2012 ( n = 256), and 2015 ( n = 235). Median age was significantly higher in 2015 (47 years) compared to 2010 and 2012 (42 years;P < 0.05). The proportions of patients with hepatocellular carcinoma (range 1–12%) and cirrhosis (range 5–23%) were significantly higher in 2015 compared to 2010 and 2012 ( P < 0.05). Compared to 2010, patients in 2015 had significantly ( P < 0.05) higher prevalence of coronary artery disease (10% vs. 4%) and hyperbilirubinemia (18% vs. 9%). Although not significant, there was a numerical increase in 2015 in chronic kidney disease (9% vs. 7% in 2010; P = 0.559) and hepatic steatosis (32% vs. 25% in 2010; P = 0.074). Significantly more patients in 2015 ( P < 0.05) were treatment experienced (23% vs. 5% in 2010/2012) and switched treatment (17% vs. 1–2% in 2010/2012). Conclusions: Between 2010 and 2015, the CHB population in Saudi Arabia had significantly aged and was more likely to develop liver disease sequelae and other comorbidities.

AIM:To assess sustained virological response (SVR) rates in a predominantly hepatitis C virus (HCV) genotype 4 infected population. Between 2003Between -2007 patients who were treated for chronic hepatitis C infection at our center were included. Epidemiological data, viral genotypes, and treatment outcomes were evaluated in all treated patients. Patients with chronic renal failure, previous non-responders, and those who relapsed after previous treatment were excluded from the study. Among all patients, 57% were treated with PEGinterferon (IFN) a-2a and 43% patients were treated with PEG-IFN a-2b; both groups received a standard dose of ribavirin. METHODS: RESULTS:89.6% of patients completed the treatment with an overall SVR rate of 58%. The SVR rate was 54% in genotype 1, 44% in genotype 2, 73% in genotype 3, and 59% in genotype 4 patients. There was no statistical difference in the SVR rate between patients treated with PEG-IFN a-2a and PEG-IFN a-2b (61.5% vs 53%). Patients younger than 40 years had higher SVR rates than older patients (75% vs 51%, P = 0.001). SVR was also statistically significantly higher when the HCV RNA load (pretreatment) was below 800.000 (64% vs 50%, P = 0.023), in patients with a body mass index (BMI) less than 28 (65% vs 49%, P = 0.01), and in patients who completed the treatment duration (64% vs 8%, P ≤ 0.00001). CONCLUSION:The SVR rate in our study is higher than in previous studies. Compliance with the standard duration of treatment, higher ribavirin dose, younger age, lower BMI, and low pretreatment RNA levels were associated with a higher virological response.

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