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Case Reports
. 2007 May;143(5):622-5.
doi: 10.1001/archderm.143.5.622.

Retinal toxic reactions following photopheresis

Jose Manuel Vagace  1 , Guillermo Gervasini, Fernando Morais, Julio Benitez, Nieves Alonso, Diego de Argila, Isabel Arranz, Roberto Bajo
Affiliations
Case Reports

Retinal toxic reactions following photopheresis

Jose Manuel Vagace et al. Arch Dermatol. 2007 May.

Abstract

Background: Extracorporeal photochemotherapy (ECP), also known as photopheresis, is a generally well-tolerated therapeutic, immunomodulatory approach successfully used in cutaneous T-cell lymphoma and other diseases produced by T-lymphocytes such as graft vs host disease.

Observations: On 2 separate occasions, a 54-year-old white man with Sézary syndrome developed cutaneous phototoxic reactions and chorioretinitis after being treated with ECP. A pharmacokinetic study showed therapeutic blood levels of 8-methoxypsoralen as long as 18 weeks after therapy had been terminated. However, the analysis of mutations in genes involved in the drug's disposition could not explain these abnormal levels.

Conclusions: To our knowledge, there has been no previous description of ECP-related retinal toxic effects. This adverse effect was probably linked to impaired drug elimination. Further studies would be needed to determine the underlying mechanism.

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