Prospective Randomized Study on the Efficacy of Blue Light in the Treatment of Psoriasis Vulgaris

@article{Weinstabl2011ProspectiveRS,
  title={Prospective Randomized Study on the Efficacy of Blue Light in the Treatment of Psoriasis Vulgaris},
  author={A. Weinstabl and S. Hoff-Lesch and H. Merk and V. von Felbert},
  journal={Dermatology},
  year={2011},
  volume={223},
  pages={251 - 259}
}
Background:Blue light has no known toxic effects on human skin, but reduces the proliferative capacity of keratinocytes in vitro. We therefore investigated the efficacy of blue light in the treatment of psoriasis vulgaris (PV). Methods: Forty patients with mild to moderate PV and bilateral plaques were assigned to two groups. Group 1 (n = 20) received irradiation at home with blue light (light-emitting diode, LED, emission maximum: 420 nm) once daily for 4 weeks. In parallel, group 2 (n = 20… Expand
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