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Updated: Jun 29, 2026

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
Published on: May 10, 2016
Consensus workshop on the toxic effects of long-term PUVA therapy
W L Morison1, R D Baughman, R M Day
1Department of Dermatology, Johns Hopkins University, Baltimore, MD, USA.
Abstract:
The possibility that there is an increased risk of melanoma in patients with psoriasis treated with psoralen-UV-A (PUVA) therapy has raised concern on the part of physicians and patients about the long-term safety of this treatment. In response to this concern, the National Psoriasis Foundation sponsored a workshop at which invited participants with expertise in PUVA therapy, psoriasis treatment, melanoma and nonmelanoma skin cancer, and epidemiological and clinical trials were asked to develop a consensus on the following 3 issues: the risk of long-term adverse effects of PUVA therapy with emphasis on nonmelanoma and melanoma skin cancer; the guidelines for physicians and patients for selection and use of PUVA therapy with consideration of the risk-benefit ratio of this treatment compared with the risk-benefit ratios of alternative treatments; and the directions for further evaluation of the long-term effects Of PUVA therapy.
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