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Review
. 2005;6(6):357-63.
doi: 10.2165/00128071-200506060-00003.

Monitoring liver function during methotrexate therapy for psoriasis: are routine biopsies really necessary?

Affiliations
Review

Monitoring liver function during methotrexate therapy for psoriasis: are routine biopsies really necessary?

James A Thomas et al. Am J Clin Dermatol. 2005.

Abstract

Methotrexate is a widely used and efficacious treatment for psoriasis. Current recommendations advise liver biopsy after each cumulative 1-1.5g dosage of methotrexate. Although studies of methotrexate hepatotoxicity in psoriasis are of variable quality, the evidence indicates that in patients with no risk factors for liver disease on long-term, low-dosage (<20mg), once-weekly methotrexate, liver biopsy is justified after an initial cumulative dosage of 4g. Advances in the non-invasive assessment of liver fibrogenesis may eventually further reduce the need for biopsy.

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