Abstract

To evaluate the impact of therapeutic education on adherence to antiviral treatment and sustained virological response (SVR) in a real-life setting in genotype 2/3 hepatitis C, as there are few adherence data in genotype 2/3 infection, even from randomized trials. This prospective survey included genotype 2/3 patients who received peg-interferon alfa-2b and ribavirin. There was no intervention. Adherence was self-reported over the past 4 wk (peg-interferon) or 7 d (ribavirin). Adherence to bitherapy was defined as adherence to the two drugs for >or= 20 wk. SVR was defined as undetectable RNA >or= 12 wk after the end of treatment. 370/674 patients received education during the first 3 mo of treatment. After 6 mo, adherence to bitherapy was higher in educated patients (61% vs 47%, P = 0.01). Adherence to peg-interferon was 78% vs 69% (P = 0.06). Adherence to ribavirin was 70% vs 56% (P = 0.006). The SVR (77% vs 70%, P = 0.05) and relapse (10% vs 16%, P = 0.09) rates tended to be improved. After adjustment for baseline differences, education improved adherence [Odds ratio (OR) 1.58, P = 0.04] but not the SVR (OR 1.54, P = 0.06). In genotype 2/3 patients, therapeutic education helped maintain real-life adherence to bitherapy.

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