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- W2610988825 abstract "We performed a systematic review and meta-analysis to estimate the decrease in liver stiffness, measured by vibration-controlled transient elastrography (VCTE), in patients with hepatitis C virus infection who achieved a sustained virologic response (SVR).We searched the literature through October 2016 for observational studies or randomized controlled trials of adults with hepatitis C virus infection who received antiviral therapy (either direct-acting antiviral agents or interferon-based therapies), underwent liver stiffness measurement using VCTE before starting therapy, and had at least 1 follow-up VCTE after completion of therapy; studies also provided data on mean or median liver stiffness measurements for patients who did and did not achieve an SVR. We identified 24 studies, and estimated weighted mean difference (and 95% confidence interval) in liver stiffness in patients with versus without SVR using random-effects meta-analysis.In patients who achieved SVR, liver stiffness decreased by 2.4 kPa at the end of therapy (95% CI, -1.7 to -3.0), by 3.1 kPa 1-6 months after therapy (95% CI, -1.6 to -4.7), by 3.2 kPa 6-12 months after therapy (90% CI, -2.6 to -3.9), and 4.1 kPa 12 months or more after therapy (95% CI, -3.3 to -4.9) (median decrease, 28.2%; interquartile range, 21.8-34.8). In contrast, there was no significant change in liver stiffness in patients who did not achieve an SVR (at 6-12 months after therapy, decrease of 0.6 kPa; 95% CI, -1.7 to 0.5). Decreases in liver stiffness were significantly greater in patients treated with direct-acting antiviral agents than with interferon-based therapy (decrease of 4.5 kPa vs decrease of 2.6 kPa; P = .03), cirrhosis at baseline (decrease of 5.1 kPa vs decrease of 2.8 kPa in patients with no cirrhosis; P = .02), or high pretreatment levels of alanine aminotransferase (P < .01). Among patients with baseline liver stiffness >9.5 kPa, 47% (95% CI, 27%-68%) achieved posttreatment liver stiffness of <9.5 kPa.In a systematic review and meta-analysis, we associated eradication of hepatitis C virus infection (SVR) with significant decreases in liver stiffness, particularly in patients with high baseline level of inflammation or patients who received direct-acting antiviral agents. Almost half the patients considered to have advanced fibrosis, based on VCTE, before therapy achieved posttreatment liver stiffness levels <9.5 kPa. Clinical Trial Registration no: CRD42016051034." @default.
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- W2610988825 date "2018-01-01" @default.
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- W2610988825 title "Magnitude and Kinetics of Decrease in Liver Stiffness After Antiviral Therapy in Patients With Chronic Hepatitis C: A Systematic Review and Meta-analysis" @default.
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- W2610988825 doi "https://doi.org/10.1016/j.cgh.2017.04.038" @default.
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