Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Phase 3 Randomized, Double Blind, Placebo Controlled Study Of The Efficacy And Safety Of 2 Doses Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate
Brief Summary: This study is designed to provide safety and efficacy data to support the development of CP-690,550 in patients with moderate to severe rheumatoid arthritis on background of methotrexate.


Options:
A: Arm Label: Tocilizumab 8 mg/kg; Type: EXPERIMENTAL; Interventions: Drug: Tocilizumab, Drug: Placebo to adalimumab | Arm Label: Adalimumab 40 mg; Type: ACTIVE_COMPARATOR; Interventions: Drug: Adalimumab, Drug: Placebo to tocilizumab | Intervention Type: DRUG; Name: Tocilizumab; Assigned to Arm(s): Tocilizumab 8 mg/kg | Intervention Type: DRUG; Name: Adalimumab; Assigned to Arm(s): Adalimumab 40 mg | Intervention Type: DRUG; Name: Placebo to tocilizumab; Assigned to Arm(s): Adalimumab 40 mg | Intervention Type: DRUG; Name: Placebo to adalimumab; Assigned to Arm(s): Tocilizumab 8 mg/kg
B: Arm Label: 1; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: Methotrexate | Arm Label: 2; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: Methotrexate | Arm Label: 3; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: Methotrexate | Intervention Type: DRUG; Name: Etanercept; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Methotrexate; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Etanercept; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: Methotrexate; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): 3 | Intervention Type: DRUG; Name: Methotrexate; Assigned to Arm(s): 3
C: Arm Label: Sequence 1; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: Sequence 2; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: Sequence 3; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: CP-690,550 | Arm Label: Sequence 4; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Drug: CP-690,550 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 1 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 1 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 2 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 2 | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Sequence 3 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 3 | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Sequence 4 | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): Sequence 4
D: Arm Label: Arm 1; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: methotrexate, Drug: Placebo, triple | Arm Label: Arm 2; Type: ACTIVE_COMPARATOR; Interventions: Drug: methotrexate, Drug: Sulfasalazine, Drug: Hydroxychloroquine, Drug: Placebo, etanercept | Intervention Type: DRUG; Name: Etanercept; Assigned to Arm(s): Arm 1 | Intervention Type: DRUG; Name: methotrexate; Assigned to Arm(s): Arm 1, Arm 2 | Intervention Type: DRUG; Name: Sulfasalazine; Assigned to Arm(s): Arm 2 | Intervention Type: DRUG; Name: Hydroxychloroquine; Assigned to Arm(s): Arm 2 | Intervention Type: DRUG; Name: Placebo, triple; Assigned to Arm(s): Arm 1 | Intervention Type: DRUG; Name: Placebo, etanercept; Assigned to Arm(s): Arm 2

Answer: C