Drug Interactions between abrocitinib and Daliresp

GENERALLY AVOID: The concomitant use of roflumilast with immunosuppressive agents has not been adequately studied. Roflumilast is a selective phosphodiesterase 4 (PDE4) inhibitor and a nonsteroidal anti-inflammatory agent. In experimental models and in vitro studies, roflumilast has exhibited immunomodulatory effects. Specifically, roflumilast and its active metabolite, roflumilast N-oxide, suppress the release of inflammatory mediators including leukotriene B4, reactive oxygen species, tumor necrosis factor alpha, interferon gamma, and granzyme B. Roflumilast also reduces sputum neutrophils and attenuates influx of neutrophils and eosinophils into the airways.

MANAGEMENT: According to the product labeling for roflumilast in some countries such as Canada and the U.K., concomitant use with immunosuppressive agents such as methotrexate, azathioprine, infliximab, etanercept, and systemic corticosteroids (except when used short-term, e.g., in the treatment of COPD exacerbations) should be avoided if possible. Due to a lack of clinical experience, treatment with roflumilast should not be initiated, or existing treatment should be stopped, in patients receiving immunosuppressive agents and in patients with severe acute infectious diseases, cancers (except basal cell carcinoma), or severe immunological diseases (e.g., HIV infection, multiple sclerosis, lupus erythematosus, progressive multifocal leukoencephalopathy).

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