A Phase III Study of TMC435 in Genotype 1, Hepatitis C-infected Participants Who Failed to Respond to Previous IFN-based Therapy

The table below shows the observed percentage of participants in each treatment group with a SVR12 defined as undetectable plasma hepatitis C virus (HCV) ribonucleic acid (RNA) levels at the EOT (Week 24 or 48) and at 12 weeks after the last dose of treatment (Week 36 or 60).

Time frame: EOT (Week 24 or 48) and Week 36 or 60

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the median (range) AUC24h values for participants in each treatment group at Week 12, Week 24, and Overall (Weeks 4, 12, and 24). The time frame of Overall represents the median exposure estimate using all available data collected at Weeks 4, 12, and 24 for each participant in the study. The number of participants analyzed is listed at each time point in order of the treatment groups from left to right in the table (ie, Week x, n=x, x) if different from the Number of Participants Analyzed.

Time frame: Week 12, Week 24, and Overall (Weeks 4, 12, and 24)

Population: Pharmacokinetic analysis was performed in the pharmacokinetic (PK) population, defined as all participants from whom sparse blood samples were drawn and who received at least 1 dose of study medication.

The table below shows median (range) TMC435 predose plasma concentration (C0h) values and TMC435 maximum plasma concentration (Cmax) values for participants in each treatment group at Week 12, Week 24, and Overall (Weeks 4, 12, and 24). The time frame of Overall representes the median exposure estimate using all available data collected at Weeks 4, 12, and 24 for each participant in the study. The number of participants analyzed is listed at each time point in order of the treatment groups from left to right in the table (ie, Week x, n=x, x) if different from the Number of Participants Analyzed.

Time frame: Week 12, Week 24, and Overall (Weeks 4, 12, and 24)

Population: Pharmacokinetic analysis was performed in the pharmacokinetic (PK) population, defined as all participants from whom sparse blood samples were drawn and who received at least 1 dose of study medication.

The table below shows the number of participants in each treatment group who demonstrated viral relapse during the study. Viral relapse is defined as undetectable plasma hepatitis C virus (HCV) ribonucleic acid (RNA) levels at EOT and detectable HCV RNA during follow-up or detectable HCV RNA at the time points for a sustained viral response (SVR) assessment. The incidence of viral relapse was only calculated for participants with undetectable HCV RNA levels at EOT and with at least one follow-up HCV RNA measurement.

Time frame: Up to 72 weeks

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the number of all participants in each treatment group who experienced viral breakthrough during the treatment period in the study (Baseline to end of treatment \[EOT\], ie, Week 24 or 48). Viral breakthrough is defined as a confirmed increase of greater than (\>) 1 log10 IU/mL in plasma hepatitis C virus (HCV) ribonucleic acid (RNA) level from the lowest level reached or a confirmed value of plasma HCV RNA of \> 2.0 log10 IU/mL in all participants whose plasma HCV RNA level had previously been below 1.2 log10 IU/mL detectable or undetectable.

Time frame: Up to EOT (Week 24 or 48)

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the number of participants in each treatment group with abnormal ALT levels at baseline (Day 1) who achieved normalization of ALT levels defined as having an ALT value less than or equal to the Upper Limit of Normality (ie, 40 IU/mL) at the EOT. At Baseline, 34/53 participants in the TMC435 100 mg 12 Wks PR 24/48 treatment group and 35/53 participants in the TMC435 100 mg 24 Wks PR 24/48 treatment group had abnormal ALT levels.

Time frame: EOT (Week 24 or 48)

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the percentage of participants in each treatment group with a greater than (\>) or equal to (=) 2 log10 IU/mL drop from baseline in HCV RNA at each time point during treatment and post-treatment follow-up.

Time frame: Day 3, Day 7, and Weeks 2, 3, 4, 8, 12, 16, 20, 24, 28, 36, 48, 60, 72, EOT, and Follow-up (FU) Weeks 4, 12, and 24

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the percentage of participants in each treatment group who met RGT criteria (ie, who had plasma levels of hepatitis C virus ribonucleic acid \[HCV RNA\] \<1.2 log10 IU/mL detectable/undetectable at Week 4 and \<1.2 log 10 IU/mL undetectable at Week 12) and completed treatment with PegIFNα-2a and RBV at Week 24. Participants in the TMC435 treatment groups not meeting RGT criteria continued treatment with PegIFNα-2a and RBV to Week 48.

Time frame: Week 24

Population: The Full Analysis Set (FAS) consisted of all randomized participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the observed percentage of participants in each treatment group with a SVR24 defined as undetectable plasma hepatitis C virus (HCV) ribonucleic acid (RNA) levels at the EOT (Week 24 or 48) and at 24 weeks after the last dose of treatment (Week 48 or 72).

Time frame: EOT (Week 24 or 48) and Week 48 or 72

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the percentage of participants with undetectable HCV RNA at Weeks 24, 48, end of treatment (EOT), at the time of assessment for a sustained virologic response (SVR) 12 weeks after the last planned dose (SVR12) (Week 36 or 60), and SVR24 (Week 48 or 72) who did not achieve undetectable HCV RNA levels at Week 12. The number of participants analyzed is listed at each time point in order of the treatment groups from left to right in the table (ie, Week x, n=x, x) if different from the Number of Participants Analyzed. Results are not available for Weeks 24, 48, and EOT because there were no participants who met the criteria for a SVR at those time points.

Time frame: Weeks 24, 48, EOT (Weeks 24 or 48), SVR12 (Weeks 36 or 60), and SVR24 (Weeks 48 or 72)

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.

The table below shows the percentage of participants with undetectable HCV RNA (\<1.2 log10 IU/mL) during treatment at Weeks 4, 12, 24, 36, 48, 60, 72, and at EOT (Week 24 or 48).

Time frame: Weeks 4, 12, 24, 36, 48, 60, 72, and at EOT

Population: The Full Analysis Set (FAS) consisted of all participants who received at least one dose of study drug during the study except for those who did not meet the major eligibility criteria for the study and participants who did not have efficacy data available after treatment with study medication.