Incidence and Risk Factors for Invasive Fungal Infections in Patients Initiating Tumor Necrosis Factor-Alpha Inhibitors for Inflammatory Bowel Disease and Rheumatoid Arthritis.

Hennessee, Ian; Benedict, Kaitlin; Bahr, Nathan C; Lipner, Shari R; Gold, Jeremy A W · Clin Infect Dis · 2025

retrospective_cohort · Level III

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Abstract

In a commercial claims database analysis, <0.5% of patients with inflammatory bowel disease or rheumatoid arthritis developed an invasive fungal infection (IFI) within 1 year of initiating tumor necrosis factor-alpha therapy. Histoplasmosis was the most common IFI type. Overall IFI incidence varied based on region, underlying conditions, and use of certain immunosuppressive medications.

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