Author:
Cacoub Patrice,Desbois Anne Claire,Comarmond Cloe,Saadoun David
Abstract
Background and aimsExtrahepatic manifestations of HCV are responsible for morbidity and mortality in many chronically infected patients. New, interferon-free antiviral treatment regimens, which present the opportunity to treat all HCV-infected patients, call for a better understanding of the benefits of treating non-cirrhotic chronically infected individuals.MethodsA systematic review was conducted. Identified studies from targeted database searches on Embase and Medline were screened. The methodological quality of the included publications was evaluated. Random-effect model meta-analyses were performed. Strength of evidence was evaluated using the Grading of Recommendations Assessment, Development and Evaluation system.ResultsData were extracted from a total of 48 identified studies. Achieving sustained virological response (SVR) was associated with reduced extrahepatic mortality (vs no SVR, OR 0.44 (95% CI 0.28 to 0.67)). SVR was associated with higher complete remissions in patients with cryoglobulinemia vasculitis (OR 20.76 (6.73 to 64.05)) and a higher objective response in those with malignant B-cell lymphoproliferative diseases (OR 6.49 (2.02 to 20.85)). Achieving SVR was also associated with reduced insulin resistance at follow-up (OR 0.42 (0.33 to 0.53)) and a significant protective effect on the incidence of diabetes (OR 0.34 (0.21 to 0.56)). Lack of randomised data comparing SVR versus non-SVR patients for the relevant extrahepatic indications attenuated these analyses.ConclusionAntiviral therapy can reduce extrahepatic manifestations related to HCV when SVR is achieved. Higher quality data, and reporting over longer follow-up periods, will be required to thoroughly explore comprehensive HCV treatment strategies.
Funder
this work was supported by the World Health Organization and UNITAID.
Cited by
108 articles.
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