In view of theoretical concern that psoralen ultraviolet A radiation (PUVA) therapy might induce a systemic lupus erythematosus-like syndrome, we studied serum antinuclear antibodies (ANAs) in patients with psoriasis who received PUVA and are participating in a five-year prospective study. At 14 centers, 1,023 patients had two or more ANA determinations. When first and last tests were compared, the incidence of positive tests for ANAs was not significantly different (P >.2). In addition, there was no apparent relationship between the frequency of PUVA treatments and the probability of a positive test. Over a two-year period, there is no evidence to indicate that PUVA therapy for psoriasis has resulted in a significantly higher number of positive tests for ANAs within our population.
(Arch Dermatol 115:1320-1324, 1979)
Stern RS, Morison WL, Thibodeau LA, et al. Antinuclear Antibodies and Oral Methoxsalen Photochemotherapy (PUVA) for Psoriasis. Arch Dermatol. 1979;115(11):1320–1324. doi:https://doi.org/10.1001/archderm.1979.04010110026019
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