Photodermatology, photoimmunology & photomedicine · 2015
Treatment of localized mycosis fungoides with digital UV photochemotherapy.
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Reidel Ulrich, Bechstein Sarah, Lange-Asschenfeldt Bernhard, Beyer Marc, Vandersee Staffan
Аннотация
BACKGROUND/PURPOSE: Photochemochemotherapy with 8-methoxypsoralen and UV-A light (PUVA) is a well-established treatment for mycosis fungoides (MF), although evidence for this therapy by means of prospective studies is scarce. However, long-term risks of PUVA are premature skin aging and development of nonmelanoma skin cancer. We therefore evaluated a device for targeted UV therapy, which reduces irradiation of unaffected skin in MF patients.
METHODS: Ten patients with patch- or plaque-type MF affecting less than 10% body surface area were included in a prospective study. A total of 14 lesions were treated with cream PUVA using the digital phototherapy device skintrek(®) PT3.
RESULTS: Seven of ten patients showed response to treatment. Complete clinical remission was achieved in four of ten patients (complete remission of seven of fourteen treated lesions) after an average of 13.4 weeks and an average cumulative UV dose of 42.6 J/cm(2) in a mean of 31.2 treatment sessions. Adverse events were rare and of mild severity.
CONCLUSIONS: This study is the first prospective trial demonstrating efficacy and safety of cream PUVA in MF patients. As healthy adjacent skin remains unaffected, the potential to reduce the carcinogenic risk of PUVA treatment makes this new method a promising therapeutic option for localized MF.
METHODS: Ten patients with patch- or plaque-type MF affecting less than 10% body surface area were included in a prospective study. A total of 14 lesions were treated with cream PUVA using the digital phototherapy device skintrek(®) PT3.
RESULTS: Seven of ten patients showed response to treatment. Complete clinical remission was achieved in four of ten patients (complete remission of seven of fourteen treated lesions) after an average of 13.4 weeks and an average cumulative UV dose of 42.6 J/cm(2) in a mean of 31.2 treatment sessions. Adverse events were rare and of mild severity.
CONCLUSIONS: This study is the first prospective trial demonstrating efficacy and safety of cream PUVA in MF patients. As healthy adjacent skin remains unaffected, the potential to reduce the carcinogenic risk of PUVA treatment makes this new method a promising therapeutic option for localized MF.