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SVR12 was defined as HCV RNA level \

SVR12 was defined as HCV RNA level \

The HCV-PRO has been developed to capture the function and well-being impact of HCV conditions and treatment and contains 16 items important to HCV-infected patients; items were totaled to a summary score. Scores range from 0 to 100. A higher HCV-PRO score indicates a better state of health and a decrease from baseline represents worsening. If a participant answered at least 12 of the 16 items, the missing items were imputed with the mean score of the answered items; if a participant did not answer at least 12 of the items, the total score was considered missing.

The SF-36v2 is a non-disease specific Health Related Quality of Life (HRQoL) instrument. The SF-36v2 comprises 36 total items (questions) targeting a subject's functional health and well-being in 8 domains (physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional and mental health) with a recall period of four weeks. Domain scores are aggregated into a Physical Component Summary (PCS) score and a Mental Component Summary (MCS) score. SF-36v2 scores range from 1-100: higher scores indicate a better state of health and a decrease from baseline represents worsening. If a participant answered at least 50% of the items in a multi-item scale of the SF-36v2, the missing items were imputed with the average score of the answered items in the same domain. In cases where the participant did not answer at least 50% of the items, the score for that domain was considered missing. The SF-36v2 MCS and PCS scores were not computed if any domain

The SF-36v2 is a non-disease specific Health Related Quality of Life (HRQoL) instrument. The SF-36v2 comprises 36 total items (questions) targeting a subject's functional health and well-being in 8 domains (physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional and mental health) with a recall period of four weeks. Domain scores are aggregated into a PCS score and a MCS score. Scores SF-36v2 scores range from 1-100: higher scores indicate a better state of health and a decrease from baseline represents worsening. If a participant answered at least 50% of the items in a multi-item scale of the SF-36v2, the missing items were imputed with the average score of the answered items in the same domain. In cases where the participant did not answer at least 50% of the items, the score for that domain was considered missing. The SF-36v2 MCS and PCS scores were not computed if any domain was missing.

Participants who had received prior treatment with pegIFN-based therapy for HCV infection and failed to achieve a 1 log10 IU/mL reduction in HCV RNA by Week 4 or a 2 log10 IU/mL reduction in HCV RNA by Week 12 during a prior IFN/RBV or pegIFN/RBV treatment course.

Participants who had received prior treatment with pegIFN-based therapy for HCV infection who achieved HCV undetectable at end of a prior IFN/RBV or pegIFN/RBV treatment course but HCV RNA was detectable following cessation of therapy

Participants who had received prior treatment with pegIFN-based therapy for HCV infection and achieved at least one documented result of HCV RNA undetectable during a prior IFN/RBV or pegIFN/RBV treatment course

Participants who did not meet any of the other definitions of treatment failure and discontinued IFN/RBV or pegIFN/RBV therapy due to IFN intolerability

Participants who received IFN treatment, including IFN or pegIFN monotherapy, IFN/RBV, or pegIFN/RBV experienced subjects. Includes subjects who do not have adequate documentation of response.

Participants who had received prior antiviral treatment for HCV infection and were eligible for treatment with IFN at screening.