Background: Methotrexate (MTX) is recommended by recent American College ofRheumatology and European League against Rheumatism guidelines as a first-line drug for rheumatoid arthritis (RA). Liver fibrosis, which occurs as a long-term side effect is of major concern. Monitoring aminotransferase and albumin is suggested in the guidelines, unfortunately this method is unreliable for detecting liver fibrosis. We try to find the association between clinical parameters, cumulative MTX dosage, liver fibrosis scoring systems and the presence of liver fibrosis assessed by transient elastography (TE; Fibroscan®). Method: Rheumatoid arthritis patients prescribed MTX were evaluated for liver fibrosis with TE. Two subgroups of patients were compared: non-fibrosis and fibrosis (TE > 7 kPa). Univariate and multivariate logistic regression analysis was performed to identify factors associated with liver fibrosis. Results: One hundred and eight patients were recruited. Twenty-nine patients (26.8%) were classified by transient elastography as liver fibrosis cases. The multivariate analysis demonstrated statistical significance only in the association of body mass index (odds ratio [OR] = 1.22; 95% CI 1.05-1.41; P = 0.01); fatty liver (OR = 2.32;95% CI 1.58-9.19; P = 0.02); alanine transaminase (OR = 1.04; 95% CI 1.02-1.09; P = 0.04) and cumulative MTX dosage (OR = 1.03; 95% CI 1.01-1.04; P = 0.001). Conclusions: Liver fibrosis measured with Fibroscan was associated with cumulative MTX. RA patients with metabolic syndrome including high body mass index and fatty liver, had a higher risk of MTX-induced hepatic fibrosis. RA patients with high cumulative MTX dose, especially patients with concurrent metabolic syndrome, should be cautiously monitored for liver fibrosis. K E Y W O R D S hepatic fibrosis, methotrexate, non-invasive scoring system, rheumatoid arthritis 1 | INTRODUC TI ON Methotrexate (MTX) has been prescribed in the treatment of malignancies and autoimmune diseases such as inflammatory bowel disease, seronegative spondyloarthropathy, psoriasis, psoriatic arthritis and rheumatoid arthritis (RA). 1 The recent American College of Rheumatology (ACR) and European League against Rheumatism (EULAR) guideline recommend using MTX as a first-line drug in | 215 LERTNAWAPAN ET AL.

Background: We investigated real-world effectiveness and safety of sofosbuvir and the nonstructural protein 5A inhibitors in the treatment of patients infected with hepatitis C virus (HCV) genotypes 1, 2, 3, 4, or 6. Methods: We analyzed data from 1021 patients with HCV infection (506 with genotype 1; 16 with genotype 2; 314 with genotype 3; 13 with genotype 4; 166 with genotype 6) who received 12 to 24 weeks of daclatasvir plus sofosbuvir (n = 767), ledipasvir/sofosbuvir (n = 197), or sofosbuvir/velpatasvir (n = 57), with or without ribavirin in 12 centers across Thailand to estimate sustained virologic response at post-treatment week 12 (SVR12). Results: Overall, SVR12 rate was 98.0% (95% confidence interval [CI], 96.7-98.8%) with daclatasvir plus sofosbuvir, 97.9% (95% CI, 94.8-99.2%) with ledipasvir/sofosbuvir, and 96.5% (95% CI, 88.1-99.0%) with sofosbuvir/velpatasvir. SVR12 was achieved by 99.2% (95% CI, 97.9-99.7%) of subjects with genotype 1 infection, 100% (95% CI, 78.5-100%) of those with genotype 2 infection, 96.7% (95% CI, 94.0-98.2%) of those with genotype 3 infection, 90.9% (95% CI, 62.3-98.4%) of those with genotype 4 infection, and 96.7% (95% CI 92.5-98.6%) of those with genotype 6 infection. Patients with advanced liver disease were at risk of treatment failure. Only four patients discontinued treatment before week 4 due to non-hepatic adverse events. Conclusions: In this large cohort of patients with various HCV genotypes managed in the real-world practice setting, daclatasvir plus sofosbuvir, ledipasvir/sofosbuvir, and sofosbuvir/velpatasvir achieved high SVR rates with good safety profile, comparable to those observed in clinical trials.

Hepatocellular carcinoma (HCC) is the most frequent type of malignant liver tumor in Thailand. The high incidence rate of HCC reflects from chronic HBV infection in this endemic area. Some patients are asymptomatic at presentation whereas many of them presented at advanced stage of HCC with limited treatment options and grave outcome. The Barcelona Clinic Liver Cancer (BCLC) staging system and management allocation for HCC is widely accepted and used in many international guidelines including Thailand. Curative treatment is expected in early stage of HCC while palliative treatment, combination treatment and best supportive care are offered to advanced stage of HCC. The most effective strategy to prevent the development of HCC is prevention of HBV vertical transmission and treatment HBV or HCV infection. The purpose of this article is to update information of HCC in Thailand including epidemiology, diagnosis, clinical manifestation, and treatment.

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