Anti-Tumor Necrosis Factor-α-Induced Dermatological Complications in a Large Cohort of Inflammatory Bowel Disease Patients

Abstract

Background/Aims

The broader use of anti-tumor necrosis factor (TNF) agents in inflammatory bowel disease (IBD) has been associated with a high rate of adverse reactions. Dermatological complications are among the most common adverse events. We assessed the incidence, risk factors, management, and outcome of anti-TNF-induced dermatological complications in a large cohort of IBD patients.

Methods

This was an observational retrospective study at a single tertiary referral center. All consecutive adult IBD patients treated with anti-TNF agents between 2005 and 2015 were identified. Patients who developed at least one dermatological complication while on anti-TNF therapy were included.

Results

From the 732 patients treated with anti-TNF agents, 211 (29%) developed at least one dermatological complication: 52% women (mean age of 42 ± 13 years), 85% with Crohn's disease, 67% were under infliximab. Median follow-up time under anti-TNF therapy was 53 (27–77) months. Dermatological complications recorded were: infections (13.5%), psoriasiform lesions (5.3%), injection/infusion reactions (3.8%), skin cancer (0.5%), and miscellaneous (5.6%). Overall, female gender (OR = 1.658, p = 0.029), smoking (OR = 2.021, p = 0.003), and treatment with an infliximab dose of 10 mg/kg (OR = 2.012, p = 0.007) were independent risk factors for dermatological complications in multivariable analysis. Female gender (OR = 3.63, p = 0.017), smoking (OR = 2.846, p = 0.041), and treatment with adalimumab (OR = 8.894, p < 0.001) were independently associated with development of psoriasiform lesions. Three (3%) patients with infectious complications and 12 (31%) patients with psoriasiform lesions discontinued anti-TNF therapy definitively.

Conclusions

Dermatological manifestations occurred in almost one-third of our population. Infections were the most common complication, but anti-TNF-induced psoriasiform lesions were the most common cause for anti-TNF therapy definitive discontinuation.

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