Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Phase IIIB, Multi-Center, Randomized, Double-Blind, Placebo-Controlled Comparative Study of Abatacept or Infliximab in Combination With Methotrexate in Controlling Disease Activity in Subjects With Rheumatoid Arthritis Having an Inadequate Clinical Response to Methotrexate
Brief Summary: The purpose of this clinical research study is to learn if Abatacept or Infliximab in combination with Methotrexate demonstrate a greater reduction in disease activity over placebo.


Options:
A: Arm Label: CP 690,550 1 mg BID; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: CP 690,550 10 mg BID; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: CP 690,550 15 mg; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: CP 690,550 3 mg BID; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: CP 690,550 5 mg BID; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: CP-690,550 20 mg QD; Type: EXPERIMENTAL; Interventions: Drug: CP-690,550 | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Other: placebo | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP 690,550 1 mg BID | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP 690,550 10 mg BID | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP 690,550 15 mg | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP 690,550 3 mg BID | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP 690,550 5 mg BID | Intervention Type: DRUG; Name: CP-690,550; Assigned to Arm(s): CP-690,550 20 mg QD | Intervention Type: OTHER; Name: placebo; Assigned to Arm(s): Placebo
B: 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)
C: Arm Label: 1a; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: Methotrexate | Arm Label: 1b; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: Methotrexate, Drug: Placebo | Arm Label: 2a; Type: ACTIVE_COMPARATOR; Interventions: Drug: Etanercept, Drug: Methotrexate, Drug: Placebo | Arm Label: 2b; Type: ACTIVE_COMPARATOR; Interventions: Drug: Methotrexate | Intervention Type: DRUG; Name: Etanercept; Assigned to Arm(s): 1a, 1b, 2a | Intervention Type: DRUG; Name: Methotrexate; Assigned to Arm(s): 1a, 1b, 2a, 2b | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): 1b, 2a
D: Intervention Type: DRUG; Name: CDP870; Assigned to Arm(s): N/A

Answer: B