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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Continued inhibition of radiographic progression in patients with psoriatic arthritis following 2 years of treatment with etanercept.

OBJECTIVE: Clinical and radiographic responses were evaluated in patients with psoriatic arthritis (PsA) treated for up to 2 years with etanercept. METHODS: Patients were previously randomized to receive placebo or etanercept in a double-blind study and chose to participate in the current open-label extension phase. All patients received etanercept 25 mg twice weekly. Radiographic progression was determined at baseline, 1 year, and 2 years using the Sharp method modified to include joints frequently affected in PsA. Arthritis and psoriasis responses were determined using American College of Rheumatology 20% (ACR20) improvement criteria, PsA response criteria (PsARC), and the psoriasis area severity index (PASI). RESULTS: Of 205 patients randomized, 169 entered open-label, and 141 [71 randomized to receive placebo (placebo/etanercept) and 70 randomized to receive etanercept (etanercept/etanercept)] had radiographic data available for analysis at 2 years. ACR20 criteria, PsARC, and PASI 50 criteria were met by 64%, 84%, and 62%, respectively, of etanercept/etanercept patients at the end of the 48-week open-label period. Placebo/etanercept patients achieved comparable results within 12 weeks that were sustained at 48 weeks (63%, 80%, and 73%). Radiographic progression was inhibited in the etanercept/ etanercept patients (mean adjusted change in total Sharp score of -0.38 from baseline to 2 yrs). In placebo/etanercept patients, disease progression was inhibited once patients began receiving etanercept (mean adjusted change of -0.22 from 1 year to 2 years). Adverse event rates were similar to those observed during randomized phase, with only one serious adverse event deemed possibly related to etanercept. CONCLUSION: These data demonstrate a sustained benefit of etanercept treatment, including inhibition of radiographic progression, in patients with PsA.[1]

References

  1. Continued inhibition of radiographic progression in patients with psoriatic arthritis following 2 years of treatment with etanercept. Mease, P.J., Kivitz, A.J., Burch, F.X., Siegel, E.L., Cohen, S.B., Ory, P., Salonen, D., Rubenstein, J., Sharp, J.T., Dunn, M., Tsuji, W. J. Rheumatol. (2006) [Pubmed]
 
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