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Revista Brasileira de Reumatologia

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RODRIGUES, Carlos Ewerton Maia et al. Use of the abatacept in a patient with psoriatic arthritis. Rev. Bras. Reumatol. [online]. 2010, vol.50, n.3, pp.340-345. ISSN 0482-5004.

Psoriatic arthritis (PA) is an inflammatory seronegative arthritis of unknown origin. Classically, PA has five clinical forms, and asymmetric oligoarthritis is the most common type. We describe the case of a patient with PA refractory to disease-modifying drugs, who developed drug-induced hepatitis after chemoprophylaxis with isoniazid, administered prior to the treatment with an anti-TNFα agent. Due to the risk of activating latent tuberculosis with the administration of anti-TNFα and hepatotoxicity onset caused by the TB treatment and based on the fact that the treatment of PA is similar to the treatment of rheumatoid arthritis, a decision was made to use the empirical treatment with abatacept. Approximately twenty days after the second infusion of the drug, the patient showed clinical improvement, resolution of the arthritis, almost complete disappearance of the skin lesions and improvement of anemia and inflammatory tests.

Keywords : psoriatic arthritis; drug-induced hepatitis; tuberculosis; abatacept.

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