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Anti-tumor necrosis factor alpha for retinal diseases: current knowledge and future concepts
Journal of Ophthalmic and Vision Research. 2012; 7 (1): 39-44
em Inglês | IMEMR | ID: emr-163679
ABSTRACT
Tumor necrosis factor alpha [TNF-alpha] is a pro-inflammatory cytokine produced by macrophages and T-cells. It plays an important role both in inflammation and apoptosis. In the eye, TNF-alpha appears to have a role in the pathogenesis of inflammatory, edematous, neovascular and neurodegenerative disorders. Several TNF-blocking drugs have been developed and approved, and are in clinical use for inflammatory diseases such as rheumatoid arthritis, psoriasis and ankylosing spondylitis. TNF-alpha blockers are widely used in ophthalmology as an off-label alternative to "traditional" immunosuppressive and immune-modulatory treatments in noninfectious uveitis. Preliminary studies suggest a positive effect of intravenously administered TNF-alpha blockers, mainly infliximab, for treating refractory diabetic macular edema and neovascular age-related macular degeneration. Unfortunately, much of the current data raises considerable safety concerns for intravitreal use of TNF-alpha inhibitors, in particular, intraocular inflammatory responses have been reported after intravitreal injection of infliximab. Results of dose-finding studies and humanized antibody or antibody fragments [e.g. adalimumab] are anticipated in the coming years; these will shed light on potential benefits and risks of local and systemic TNF-alpha blockers used for treatment of diseases of the retina and choroid
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Doenças Retinianas / Uveíte / Oclusão da Veia Retiniana / Edema Macular / Degeneração Macular Limite: Humanos Idioma: Inglês Revista: J. Ophthalmic Vision Res. Ano de publicação: 2012

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Doenças Retinianas / Uveíte / Oclusão da Veia Retiniana / Edema Macular / Degeneração Macular Limite: Humanos Idioma: Inglês Revista: J. Ophthalmic Vision Res. Ano de publicação: 2012