• Doaa Mohamed Abdelnajid, Ahmed Y Elmowafy, Lionel Rostaing, and Marwa T Elrakaiby.
• Department of Microbiology and Immunology, Military Medical Academy, Cairo, Egypt.
• Medicine (Baltimore). 2023 Jul 14; 102 (28): e34125e34125.

AbstractSome hepatitis-C virus patients have resistance to direct-acting-antivirals (DAAs). Genetic polymorphisms have been associated with drug resistance. This study aimed to evaluate the role of interleukin (IL)-28B gene polymorphism and IL-12 levels as predictors for a response to sofosbuvir/ribavirin (SOF/RBV) with (triple-therapy) or without (dual-therapy) Peg-alpha-interferon. 92 hepatitis C virus (HCV)/RNA (+)-patients treated with dual (n = 72) or triple (n = 20) therapy. IL28B genetic polymorphism and IL-12 level assessments. 30.4% of the patients were IL28B C/C genotype, 56.5% C/T-genotype, and 13% T/T-genotype. Mean baseline IL-12 levels were 27.5 ± 3.0 pg/mL. Rapid viral response was achieved in 86/92 patients. All patients achieved end-of-treatment virologic response. The 12- and 24-week sustained virologic responses (SVR) were achieved in 76 patients (82.6%), that is, a relapse was found in 16 patients (17.4%). 8 and 12-weeks after antiviral therapy, IL-12 levels decreased significantly, and became comparable to those of the control-group. That drop in IL-12 levels was similar across the dual- and triple-therapy patients. Finally, logistic regression analysis showed that the increase in baseline aspartate aminotransferase (AST) and T/T genotyping had an independent effect on increasing the probability a SVR failing in both dual- and triple-therapy groups (P = .0007 and P = .02, respectively). Single-nucleotide polymorphism (SNP) in IL-28B and IL-12 levels play roles as predictors in DAAs resistance.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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