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Updated: May 20, 2026

Determination of the Relative Potency of an Anti-TNF Monoclonal Antibody (mAb) by Neutralizing TNF Using an In Vitro Bioanalytical Method
Published on: September 16, 2017
Skin lesions and treatment with tumor necrosis factor alpha antagonists
Maria Victoria Hernández1, Melina Meineri, Raimon Sanmartí
1Unidad de Artritis, Hospital Clínic, Universidad de Barcelona, Barcelona, España. mvhernan@clinic.ub.es
Abstract:
The efficacy shown by biological therapy with tumor necrosis factor (TNF) antagonists has led in the recent years to its increased and extended use in different inflammatory arthopathies. Initially, safety studies of these drugs were mainly focused on the risk of infection and the development of malignancies. Recently, several cases of skin lesions induced by anti-TNF drugs have been reported with an increased incidence, highlighting the importance of the skin as a major target of the side effects of these drugs. In addition to skin lesions directly related to drug administration there is a wide spectrum of skin lesions of different morphology and etiology, especially the development of cutaneous immune-mediated conditions, an emergent phenomenon associated with this treatment. We describe the main skin lesions associated with treatment with anti-TNF drugs according to an extensive review of the literature.
Insights
Biological therapies targeting tumor necrosis factor (TNF) antagonists are increasingly used for inflammatory arthropathies. A review highlights that these treatments can cause various skin lesions, including immune-mediated conditions, necessitating careful monitoring.
Area of Science:
- Dermatology
- Rheumatology
- Immunology
Background:
- Biological therapies targeting tumor necrosis factor (TNF) antagonists are widely used for inflammatory arthropathies.
- Initial safety assessments focused on infection and malignancy risks.
- Emerging evidence indicates a significant incidence of skin lesions associated with anti-TNF therapies.
Purpose of the Study:
- To comprehensively review and describe the spectrum of skin lesions associated with anti-TNF drug treatment.
- To highlight the skin as a key target organ for anti-TNF drug side effects.
- To categorize the morphology and etiology of drug-induced cutaneous conditions.
Main Methods:
- Extensive literature review of published studies on anti-TNF therapies and dermatological side effects.
- Analysis of case reports and clinical studies detailing skin manifestations.
- Classification of reported skin lesions based on clinical presentation and presumed etiology.
Main Results:
- Anti-TNF antagonists are associated with a wide array of cutaneous adverse events.
- These include lesions directly related to drug administration and a broad spectrum of immune-mediated dermatoses.
- Cutaneous immune-mediated conditions represent an emergent and significant phenomenon in patients receiving anti-TNF treatment.
Conclusions:
- Skin lesions are a common and important side effect of anti-TNF therapy.
- Healthcare providers should be vigilant in monitoring for and managing dermatological complications.
- Further research is needed to elucidate the mechanisms and optimize the management of anti-TNF-induced skin conditions.
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