Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Open-Label Study in the Asia-Pacific Region Comparing the Safety and Efficacy of Etanercept With Usual DMARD Therapy in Subjects With Rheumatoid Arthritis
Brief Summary: The purpose of this study is to compare the efficacy of etanercept with usual disease-modifying anti-rheumatic drug (DMARD) therapy in the treatment of moderate to severe rheumatoid arthritis (RA) over 16 weeks in the Asia Pacific region.


Options:
A: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: tocilizumab [RoActemra/Actemra], Drug: Methotrexate | Arm Label: 2; Type: EXPERIMENTAL; Interventions: Drug: tocilizumab [RoActemra/Actemra], Drug: Methotrexate | Arm Label: 3; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: Methotrexate | Intervention Type: DRUG; Name: tocilizumab [RoActemra/Actemra]; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: tocilizumab [RoActemra/Actemra]; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): 3 | Intervention Type: DRUG; Name: Methotrexate; Assigned to Arm(s): 1, 2, 3
B: Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: etanercept, Drug: Placebo, Drug: DMARD Therapy | Arm Label: Etanercept; Type: EXPERIMENTAL; Interventions: Drug: etanercept, Drug: DMARD Therapy | Intervention Type: DRUG; Name: etanercept; Assigned to Arm(s): Etanercept, Placebo | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: DRUG; Name: DMARD Therapy; Assigned to Arm(s): Etanercept, Placebo
C: Arm Label: 1; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept , Methotrexate | Arm Label: 2; Type: ACTIVE_COMPARATOR; Interventions: Drug: Methotrexate; sulfasalazine; hydroxychloroquine;leflunomide | Intervention Type: DRUG; Name: Etanercept , Methotrexate; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Methotrexate; sulfasalazine; hydroxychloroquine;leflunomide; Assigned to Arm(s): 2
D: Arm Label: Abatacept (ABA) + Methotrexate (MTX) (double-blind [DB]); Type: ACTIVE_COMPARATOR; Interventions: Drug: Abatacept (ABA) + Methotrexate (MTX), double-blind (DB) | Arm Label: Infliximab + MTX (DB); Type: ACTIVE_COMPARATOR; Interventions: Drug: Infliximab (INF) + MTX, DB | Arm Label: Placebo + MTX (DB); Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo (PLA) + MTX, DB | Arm Label: Placebo + MTX switched to abatacept + MTX (DB); Type: EXPERIMENTAL; Interventions: Drug: PLA + MTX switched to ABA+ MTX, DB | Arm Label: Abatacept (open-label); Type: EXPERIMENTAL; Interventions: Drug: ABA, open-label (OL) | Intervention Type: DRUG; Name: Abatacept (ABA) + Methotrexate (MTX), double-blind (DB); Assigned to Arm(s): Abatacept (ABA) + Methotrexate (MTX) (double-blind [DB]) | Intervention Type: DRUG; Name: Infliximab (INF) + MTX, DB; Assigned to Arm(s): Infliximab + MTX (DB) | Intervention Type: DRUG; Name: Placebo (PLA) + MTX, DB; Assigned to Arm(s): Placebo + MTX (DB) | Intervention Type: DRUG; Name: PLA + MTX switched to ABA+ MTX, DB; Assigned to Arm(s): Placebo + MTX switched to abatacept + MTX (DB) | Intervention Type: DRUG; Name: ABA, open-label (OL); Assigned to Arm(s): Abatacept (open-label)

Answer: C