Open-Label, Bridging Study of Telaprevir in Treatment-Naïve and Treatment-Experienced Russian Patients With Genotype 1 Chronic Hepatitis C

Telaprevir Type = exact number, unit = mg, number = 750, form = tablet, route = oral. Telaprevir 750 mg (2 oral tablets) is taken every 8 hours for 12 weeks

Pegylated-interferon-alfa-2a type = exact number, unit = microgram, number = 180, form = injection, route = subcutaneous. 180 microgram (µg) per week, subcutaneous injection, for 24 or 48 weeks

Ribavirin Type = exact, number = 1000 or 1200, unit = mg, form = tablet, route = oral. 1000mg (if participant's weight is \< 75kg) or 1200mg (if participant's weight is \>= 75kg) per day for 24 or 48 weeks.