Drug Interaction Study With Ribavirin and Abacavir in Male Subjects With Hepatitis C Who Have Failed Ribavirin Treatment

"Daily Ribavirin alone 400 mg in the morning (AM) and 600 mg in the afternoon (PM) orally with 12 hours between the doses (Body Weight ≤75 kg)~OR~Daily RBV alone 600 mg orally every 12 hours (Body Weight \>75 kg)"

"Daily Ribavirin 400 mg in AM and 600 mg in PM orally with 12 hours between the doses (Body Weight ≤75 kg)~OR~Daily RBV 600 mg orally every 12 hours (Body Weight \>75 kg)~Plus~Daily Abacavir 300 mg orally every 12 hours"