Prefilled syringes containing an injectable volume of 1 ml of solution for injection CZP for single use at dosage strength of 200 mg/ml.

On a maintenance dose of 200 mg every 2 Weeks (Q2W) until Week 102. On a maintenance dose of 200 mg every 4 Weeks (Q4W) until Week 102/ Placebo (PBO) 1 syringe every 4 Weeks (Q4W).

CZP and PBO administration to be staggered 2 Weeks apart to maintain blind.

The MTX treatment is to remain between 15-25 mg/week.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01521923?cond=%22Arthritis%22&lup_s=08/23/2013&lup_d=30