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Durability of Sustained Virologic Response in Chronic Hepatitis C: Analysis of Factors Related to Relapse after Sustained Virologic Response with Peginterferon Plus Ribavirin Combination Therapy / 대한소화기학회지
The Korean Journal of Gastroenterology ; : 173-179, 2011.
Article in Korean | WPRIM | ID: wpr-35467
ABSTRACT
BACKGROUND/

AIMS:

Pegylated interferon plus ribavirin combination therapy has been the standard of therapy for patients with chronic hepatitis C. Although previous studies have reported long term durability after the sustained virologic response (SVR) with standard therapy for chronic hepatitis C, it is still unclear in Korea. The aim of this study was to evaluate the relapse rate and related factors after SVR to pegylated interferon therapy in Korean patients with chronic hepatitis C.

METHODS:

A total of 119 chronic hepatitis C patients were treated with pegylated interferon plus ribavirin, and 73 patients achieved SVR (61.3%). Among 73 patients who achieved SVR, 68 patients (genotype 1, n=40; genotype non-1, n=28) were evaluated for virological response after SVR.

RESULTS:

SVR rate in genotype 1 and genotype non-1 were 52.5%, and 65.1%, respectively. Relapse after SVR occurred in 5 patients (7.4%) with genotype 1, and the median time to relapse from SVR was 10 months. Univariate analysis revealed that the dose reduction of pegylated interferon (p=0.005) and cirrhosis (p=0.03) were significantly associated with relapse.

CONCLUSIONS:

These results suggested that the relapse could occur even after SVR achievement in Korean patients with chronic hepatitis C, and the dose reduction of pegylated interferon during treatment or having cirrhosis may increased the risk for relapse.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Antiviral Agents / Polyethylene Glycols / Recurrence / Ribavirin / RNA, Viral / Logistic Models / Risk Factors / Interferon-alpha / Hepatitis C, Chronic / Drug Therapy, Combination Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: Korean Journal: The Korean Journal of Gastroenterology Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Antiviral Agents / Polyethylene Glycols / Recurrence / Ribavirin / RNA, Viral / Logistic Models / Risk Factors / Interferon-alpha / Hepatitis C, Chronic / Drug Therapy, Combination Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: Korean Journal: The Korean Journal of Gastroenterology Year: 2011 Type: Article