Radiographic progression: comparison of etanercept vs. methotrexate vs. etanercept in combination with methotrexate in patients with RA of 6 months to 20 years duration (12 month results) Pairwise comparison p-values: * = p for comparisons of etanercept + methotrexate vs. methotrexate and ϕ = p etanercept + methotrexate vs. etanercept. Significant advantages for etanercept in combination with methotrexate compared with etanercept monotherapy and methotrexate monotherapy were also observed after 24 months. Similarly, the significant advantages for etanercept monotherapy compared with methotrexate monotherapy were also observed after 24 months.
In an analysis in which all patients who dropped out of the study for any reason were considered to have progressed, the percentage of patients without progression (TSS change ≤ 0.5) at 24 months was higher in the etanercept in combination with methotrexate group compared with the etanercept alone and methotrexate alone groups (62%, 50%, and 36%, respectively; p etanercept alone and methotrexate alone was also significant (p a full 24 months of therapy in the study, the non-progression rates were 78%, 70%, and 61%, respectively.
The safety and efficacy of 50 mg etanercept (two 25 mg SC injections) administered once weekly were evaluated in a double-blind, placebo-controlled study of 420 patients with active RA. In this study, 53 patients received placebo, 214 patients received 50 mg etanercept once weekly and 153 patients received 25 mg etanercept twice weekly. The safety and efficacy profiles of the two etanercept treatment regimens were comparable at week 8 in their effect on signs and symptoms of RA; data at week 16 did not show comparability (non-inferiority) between the two regimens. A single 50 mg/ml injection of etanercept was found to be bioequivalent to two simultaneous injections of 25 mg/ml.
Adult patients with psoriatic arthritis The efficacy of etanercept was assessed in a randomised, double-blind, placebo-controlled study in 205 patients with psoriatic arthritis. Patients were between 18 and 70 years of age and had active psoriatic arthritis (≥ 3 swollen joints and ≥ 3 tender joints) in at least one of the following forms: (1) distal interphalangeal (DIP) involvement; (2) polyarticular arthritis (absence of rheumatoid nodules and presence of psoriasis); (3) arthritis mutilans; (4) asymmetric psoriatic arthritis; or (5) spondylitis-like ankylosis. Patients also had plaque psoriasis with a qualifying target lesion ≥ 2 cm in diameter.
Patients had previously been treated with NSAIDs (86%), DMARDs (80%), and corticosteroids (24%). Patients currently on methotrexate therapy (stable for ≥ 2 months) could continue at a stable dose of 20