Abstract
Ustekinumab is a human monoclonal antibody that binds to the shared p40 subunit of interleukin (IL)-12 and IL-23 and is approved for the treatment of moderate to severe psoriasis. Given its immunosuppressive effects, particularly of IL-12, there is concern for reactivation of chronic viral and mycobacterial infections. We report a case of a male with psoriasis successfully treated with ustekinumab without reactivation of his chronic hepatitis B virus (HBV) and latent tuberculosis infection (LTBI). Although the risks and benefits should be carefully assessed, ustekinumab is a therapeutic option for patients with psoriasis and chronic hepatitis B or latent TB, provided that careful consideration is given to hepatitis B and TB prophylaxis during therapy.
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