176 In the PegIntron combination trial, 1,530 naïve patients were treated for one year with one of the following combination regimens: • PegIntron (1.5 micrograms/kg/week) + ribavirin (800 mg/day), (n = 511). • PegIntron (1.5 micrograms/kg/week for one month followed by 0.5 microgram/kg/week for 11 months) + ribavirin (1,000/1,200 mg/day), (n = 514). • Interferon alfa-2b (3 MIU three times a week) + ribavirin (1,000/1,200 mg/day) (n = 505).