Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Phase 2 Study of VX-950 in Combination With Peginterferon Alfa-2a (Pegasys®), With and Without Ribavirin (Copegus®) in Subjects With Hepatitis C
Brief Summary: Compare the effectiveness of telaprevir (VX-950) in combination with Pegylated Interferon Alfa 2a (Peg-IFN-alfa-2a) with and without Ribavirin (RBV) in reducing plasma hepatitis C virus (HCV) ribonucleic acid (RNA) levels


Options:
A: Arm Label: PBO 12 Week+Peg-IFN-alfa-2a, RBV 48 Week; Type: PLACEBO_COMPARATOR; Interventions: Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a, Drug: Placebo | Arm Label: Telaprevir 12 Week +Peg-IFN-alfa-2a,RBV 24 Week; Type: EXPERIMENTAL; Interventions: Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a, Drug: Telaprevir | Arm Label: Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 12 Week; Type: EXPERIMENTAL; Interventions: Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a, Drug: Telaprevir | Arm Label: Telaprevir 12 Week+Peg-IFN-alfa-2a 12 Week; Type: EXPERIMENTAL; Interventions: Drug: Pegylated Interferon Alfa 2a, Drug: Telaprevir | Intervention Type: DRUG; Name: Ribavirin; Assigned to Arm(s): PBO 12 Week+Peg-IFN-alfa-2a, RBV 48 Week, Telaprevir 12 Week +Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 12 Week | Intervention Type: DRUG; Name: Pegylated Interferon Alfa 2a; Assigned to Arm(s): PBO 12 Week+Peg-IFN-alfa-2a, RBV 48 Week, Telaprevir 12 Week +Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a 12 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 12 Week | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): PBO 12 Week+Peg-IFN-alfa-2a, RBV 48 Week | Intervention Type: DRUG; Name: Telaprevir; Assigned to Arm(s): Telaprevir 12 Week +Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a 12 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 12 Week
B: Arm Label: Cohort A; Type: EXPERIMENTAL; Interventions: Drug: RO5024048 | Arm Label: Cohort B; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Arm Label: Cohort C; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Arm Label: Cohort D; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Arm Label: Cohort E; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Arm Label: Cohort F; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Arm Label: Cohort G; Type: EXPERIMENTAL; Interventions: Drug: danoprevir | Intervention Type: DRUG; Name: RO5024048; Assigned to Arm(s): Cohort A | Intervention Type: DRUG; Name: danoprevir; Assigned to Arm(s): Cohort B | Intervention Type: DRUG; Name: danoprevir; Assigned to Arm(s): Cohort C | Intervention Type: DRUG; Name: danoprevir; Assigned to Arm(s): Cohort D | Intervention Type: DRUG; Name: danoprevir; Assigned to Arm(s): Cohort E | Intervention Type: DRUG; Name: danoprevir; Assigned to Arm(s): Cohort F, Cohort G
C: Arm Label: Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 24 Week; Type: EXPERIMENTAL; Interventions: Drug: Telaprevir, Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a | Arm Label: Telaprevir 24 Week+Peg-IFN-alfa-2a,RBV 48 Week; Type: EXPERIMENTAL; Interventions: Drug: Telaprevir, Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a | Arm Label: Telaprevir 24 Week+Peg-IFN-alfa-2a 24 Week; Type: EXPERIMENTAL; Interventions: Drug: Telaprevir, Drug: Pegylated Interferon Alfa 2a | Arm Label: PBO 24 Week+Peg-IFN-alfa-2a, RBV 48 Week; Type: PLACEBO_COMPARATOR; Interventions: Drug: Ribavirin, Drug: Pegylated Interferon Alfa 2a, Drug: Matching Placebo | Intervention Type: DRUG; Name: Telaprevir; Assigned to Arm(s): Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 24 Week+Peg-IFN-alfa-2a 24 Week, Telaprevir 24 Week+Peg-IFN-alfa-2a,RBV 48 Week | Intervention Type: DRUG; Name: Ribavirin; Assigned to Arm(s): PBO 24 Week+Peg-IFN-alfa-2a, RBV 48 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 24 Week+Peg-IFN-alfa-2a,RBV 48 Week | Intervention Type: DRUG; Name: Pegylated Interferon Alfa 2a; Assigned to Arm(s): PBO 24 Week+Peg-IFN-alfa-2a, RBV 48 Week, Telaprevir 12 Week+Peg-IFN-alfa-2a,RBV 24 Week, Telaprevir 24 Week+Peg-IFN-alfa-2a 24 Week, Telaprevir 24 Week+Peg-IFN-alfa-2a,RBV 48 Week | Intervention Type: DRUG; Name: Matching Placebo; Assigned to Arm(s): PBO 24 Week+Peg-IFN-alfa-2a, RBV 48 Week
D: Arm Label: TMC435; Type: EXPERIMENTAL; Interventions: Drug: TMC435, Drug: Peginterferon alpha-2a or Peginterferon alpha-2b (PegIFNα-2a/b), Drug: Ribavirin (RBV) | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: Peginterferon alpha-2a or Peginterferon alpha-2b (PegIFNα-2a/b), Drug: Ribavirin (RBV) | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: DRUG; Name: TMC435; Assigned to Arm(s): TMC435 | Intervention Type: DRUG; Name: Peginterferon alpha-2a or Peginterferon alpha-2b (PegIFNα-2a/b); Assigned to Arm(s): Placebo, TMC435 | Intervention Type: DRUG; Name: Ribavirin (RBV); Assigned to Arm(s): Placebo, TMC435

Answer: A