I klinisk undersøgelse C/ I98- 580 blev 1. 530 naive patienter behandlet i et år med et af følgende kombinationsregimen: • Ribavirin (800 mg/ dag) + peginterferon alfa- 2b (1, 5 mikrogram/ kg/ uge) (n = 511). • Ribavirin (1. 000/ 1. 200 mg/ dag) + peginterferon alfa- 2b (1, 5 mikrogram/ kg/ uge i en måned efterfulgt af 0, 5 mikrogram/ kg/ uge i 11 måneder) (n = 514). • Ribavirin (1. 000/ 1. 200 mg/ dag) + interferon alfa- 2b (3 MIE tre gange om ugen) (n = 505).
In clinical trial C/ I98-580, 1,530 naïve patients were treated for one year with one of the following combination regimens: • Ribavirin (800 mg/ day) + peginterferon alfa-2b (1.5 micrograms/ kg/ week) (n = 511). • Ribavirin (1,000/ 1,200 mg/ day) + peginterferon alfa-2b (1.5 micrograms/ kg/ week for one month followed by 0.5 microgram/ kg/ week for 11 months) (n = 514). • Ribavirin (1,000/ 1,200 mg/ day) + interferon alfa-2b (3 MIU three times a week) (n = 505).