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Effectiveness of adalimumab in treating patients with active psoriatic arthritis and predictors of good clinical responses for arthritis, skin and nail lesions


Reference:

Van den Bosch, F., Manger, B., Goupille, P., McHugh, N. J., Rodevand, E., Holck, P., van Vollenhoven, R. F., Leirisalo-Repo, M., FitzGerald, O., Kron, M., Frank, M., Kary, S. and Kupper, H., 2010. Effectiveness of adalimumab in treating patients with active psoriatic arthritis and predictors of good clinical responses for arthritis, skin and nail lesions. Annals of the Rheumatic Diseases, 69 (2), pp. 394-399.

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Official URL:

http://dx.doi.org/10.1136/ard.2009.111856

Abstract

Objectives: To evaluate the effectiveness of adalimumab in patients with psoriatic arthritis (PsA) and identify predictors of good clinical response for joint and skin lesions. Methods: Patients received adalimumab 40 mg every other week in addition to standard therapy in this prospective, 12-week, open-label, uncontrolled study. Four definitions of good clinical response were used: >= 50% improvement in American College of Rheumatology response criteria (ACR50), good response according to European League Against Rheumatism (EULAR) guidelines, a >= 3-grade improvement in Physician Global Assessment of psoriasis (PGA) and a >= 50% improvement in the Nail Psoriasis Severity Index (NAPSI). Response predictors were determined by logistic regression with backward elimination (selection level was 5%). Results: Of 442 patients, 94% completed 12 weeks of treatment. At week 12, 74%, 51% and 32% of the patients had achieved ACR20, 50 and 70, respectively; 87% and 61% experienced moderate and good responses according to EULAR criteria, respectively. The percentage of patients with PGA results of "clear/almost clear'' increased from 34% (baseline) to 68%. The mean NAPSI score was reduced by 44%. No new safety signals were detected. A lower Health Assessment Questionnaire Disability Index (HAQ-DI) score, greater pain assessment, male sex and absence of systemic glucocorticoid therapy were strongly associated with achievement of ACR50 and good response according to EULAR criteria. In addition, greater C-reactive protein concentration and polyarthritis predicted ACR50, and non-involvement of large joints predicted a good response according to EULAR criteria. Conclusions: Adalimumab was effective in patients with PsA. Lower impairment of physical function, greater pain, male sex and no systemic treatment with glucocorticoids were factors that increased the chance of achieving a good clinical response.

Details

Item Type Articles
CreatorsVan den Bosch, F., Manger, B., Goupille, P., McHugh, N. J., Rodevand, E., Holck, P., van Vollenhoven, R. F., Leirisalo-Repo, M., FitzGerald, O., Kron, M., Frank, M., Kary, S. and Kupper, H.
DOI10.1136/ard.2009.111856
DepartmentsFaculty of Science > Pharmacy & Pharmacology
Faculty of Humanities & Social Sciences > Health
RefereedYes
StatusPublished
ID Code25413

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