0006) in patients with less than the 60% cumulative
ribavirin dose and was associated with prolonged periods of
dose reduction, temporary interruptions, or premature cessation of ribavirin. Ribavirin dose reductions had minimal impact on SVR in patients who achieved rapid virologic response, defined as undetectable HCV RNA levels after 4 weeks, even when they received less than the 60% cumulative ribavirin dose.