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Recurrence of Hepatitis C after Treatment Studied

Most hepatitis C patients remain cured five years after treatment; however, some patients are at risk of reinfection. .

A multi-study analysis shows that a majority of patients with hepatitis C maintained sustained virological response (SVR) five years after they were treated but researchers found higher risk of reinfection among patients in two subgroups. Researchers set out to systematically review evidence from a number of studies that examined the durability of treatment-induced SVR in patients with chronic hepatitis C virus and conduct a meta-analysis to provide summary estimates of the recurrence rate by risk group. The findings were published online January 19 in the journal Clinical Infectious Diseases.

Hepatitis C treatment is considered successful if a patient achieves SVR, an indication that HCV RNA is no longer detectable in his or her blood 12-to-24 weeks after treatment ends. This cure marker is associated with improved prognosis compared to patients who aren’t treated or fail therapy, with benefits that include “improved histology, reduced risk of hepatocellular carcinoma, and improved overall survival,” the authors note.

The three patient groups analyzed included low risk mono-HCV infected patients, high risk mono-HCV-infected patients who were injection drug users or prisoners and patients who were coinfected with HCV and human immunodeficiency virus (HIV). Researchers defined recurrence of the virus as confirmed HCV RNA detectability post-SVR.

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