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Lupus-like autoimmune disease induced by interferon therapy for myeloproliferative disorders

https://doi.org/10.1016/0090-1229(92)90250-RGet rights and content

Abstract

Symptoms of autoimmune disease were evaluated in 125 patients with chronic myelogenous leukemia (CML) and in 12 patients with essential thrombocythemia undergoing treatment with recombinant interferon (IFN)-α-2b plus/minus low-dose recombinant IFN-γ. Twenty-seven of 137 patients (20%) developed rheumatoid symptoms. Furthermore, the incidence of antinuclear antibody (ANA) formation was studied. Elevated ANA titers were found in 519 (26%) of CML patients at the time of diagnosis and in 318 (17%) of patients treated with hydroxyurea or busulfan. During IFN treatment, 18 of 25 tested patients (72%) had elevated ANA titers. In 15 of these ANA-positive patients, clinical signs of autoimmune disease appeared. All these patients were under long-term IFN treatment and were in remission of disease. In three patients criteria for systemic lupus erythematosus were fulfilled. Severity of side effects has led to the discontinuation of IFN treatment in these patients. The data indicate that IFN-α and IFN-γ can induce ANA associated with autoimmune disease in patients with myeloproliferative disorders.

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    This work was supported by the Wilhelm Sander Foundation.

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