Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Phase II Randomized Clinical Trial to Study the Efficacy and Safety of the Combination Regimen MK-5172 and MK-8742 ± Ribavirin (RBV) in Subjects With Chronic Hepatitis C Virus Infection
Brief Summary: This is a study of the safety and efficacy of grazoprevir (MK-5172) in combination with elbasvir (MK-8742) ± ribavirin (RBV). The primary efficacy endpoint will be Sustained Virologic Response 12 weeks after the end of all study therapy (SVR12) in each of the treatment arms.


Options:
A: Arm Label: A1: TN NC Grazoprevir 100 mg + Elbasvir 20 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Placebo to Elbasvir, Drug: Ribavirin | Arm Label: A2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Placebo to Elbasvir, Drug: Ribavirin | Arm Label: A3: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B1: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B3: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B4: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B5: TN C Grazoprevir 100 mg + Elbasvir 50 mg for 12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B6: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B7: TN C Grazoprevir 100 mg + Elbasvir 50 mg-18 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B8: NR Grazoprevir 100 mg + Elbasvir 50 mg +RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B9: NR Grazoprevir 100 mg + Elbasvir 50 mg-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B10: NR Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B11: NR Grazoprevir 100 mg + Elbasvir 50 mg-18 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: B12: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: B13: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: C1: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: C2: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-8 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir | Arm Label: D1: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Arm Label: D2: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk; Type: EXPERIMENTAL; Interventions: Drug: Grazoprevir, Drug: Elbasvir, Drug: Ribavirin | Intervention Type: DRUG; Name: Grazoprevir; Assigned to Arm(s): A1: TN NC Grazoprevir 100 mg + Elbasvir 20 mg + RBV-12 wk, A2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, A3: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B10: NR Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B11: NR Grazoprevir 100 mg + Elbasvir 50 mg-18 wk, B12: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B13: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B1: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B3: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B4: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B5: TN C Grazoprevir 100 mg + Elbasvir 50 mg for 12 wk, B6: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk, B7: TN C Grazoprevir 100 mg + Elbasvir 50 mg-18 wk, B8: NR Grazoprevir 100 mg + Elbasvir 50 mg +RBV-12 wk, B9: NR Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, C1: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, C2: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-8 wk, D1: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, D2: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk | Intervention Type: DRUG; Name: Elbasvir; Assigned to Arm(s): A1: TN NC Grazoprevir 100 mg + Elbasvir 20 mg + RBV-12 wk, A2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, A3: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B10: NR Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B11: NR Grazoprevir 100 mg + Elbasvir 50 mg-18 wk, B12: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B13: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B1: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B3: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, B4: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B5: TN C Grazoprevir 100 mg + Elbasvir 50 mg for 12 wk, B6: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk, B7: TN C Grazoprevir 100 mg + Elbasvir 50 mg-18 wk, B8: NR Grazoprevir 100 mg + Elbasvir 50 mg +RBV-12 wk, B9: NR Grazoprevir 100 mg + Elbasvir 50 mg-12 wk, C1: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, C2: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg-8 wk, D1: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, D2: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk | Intervention Type: DRUG; Name: Placebo to Elbasvir; Assigned to Arm(s): A1: TN NC Grazoprevir 100 mg + Elbasvir 20 mg + RBV-12 wk, A2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk | Intervention Type: DRUG; Name: Ribavirin; Assigned to Arm(s): A1: TN NC Grazoprevir 100 mg + Elbasvir 20 mg + RBV-12 wk, A2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B10: NR Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B12: TN HIV NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B1: TN NC/GT1a Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, B2: TN NC Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B4: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, B6: TN C Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk, B8: NR Grazoprevir 100 mg + Elbasvir 50 mg +RBV-12 wk, C1: TN NC/GT1b Grazoprevir 100 mg + Elbasvir 50 mg + RBV-8 wk, D1: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-12 wk, D2: TN NC/GT3 Grazoprevir 100 mg + Elbasvir 50 mg + RBV-18 wk
B: Arm Label: SOF/VEL; Type: EXPERIMENTAL; Interventions: Drug: SOF/VEL | Arm Label: SOF+RBV; Type: EXPERIMENTAL; Interventions: Drug: SOF, Drug: RBV | Intervention Type: DRUG; Name: SOF/VEL; Assigned to Arm(s): SOF/VEL | Intervention Type: DRUG; Name: SOF; Assigned to Arm(s): SOF+RBV | Intervention Type: DRUG; Name: RBV; Assigned to Arm(s): SOF+RBV
C: Arm Label: PegIFN-2b + RBV; Type: PLACEBO_COMPARATOR; Interventions: Drug: PegIFN-2b, Drug: RBV, Drug: Placebo to Boceprevir | Arm Label: PegIFN-2b + RBV + Boceprevir; Type: ACTIVE_COMPARATOR; Interventions: Drug: PegIFN-2b, Drug: RBV, Drug: Boceprevir | Intervention Type: DRUG; Name: PegIFN-2b; Assigned to Arm(s): PegIFN-2b + RBV, PegIFN-2b + RBV + Boceprevir | Intervention Type: DRUG; Name: RBV; Assigned to Arm(s): PegIFN-2b + RBV, PegIFN-2b + RBV + Boceprevir | Intervention Type: DRUG; Name: Placebo to Boceprevir; Assigned to Arm(s): PegIFN-2b + RBV | Intervention Type: DRUG; Name: Boceprevir; Assigned to Arm(s): PegIFN-2b + RBV + Boceprevir
D: Arm Label: Arm A; Type: EXPERIMENTAL; Interventions: Drug: Filibuvir | Arm Label: Arm B; Type: EXPERIMENTAL; Interventions: Drug: Filibuvir | Arm Label: Arm C; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Intervention Type: DRUG; Name: Filibuvir; Assigned to Arm(s): Arm A | Intervention Type: DRUG; Name: Filibuvir; Assigned to Arm(s): Arm B | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Arm C

Answer: A