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A new development in UVB phototherapy of psoriasis
Type:Uv phototherapy Time:2016-09-18 16:43:45H. VAN WEELDEN*, H. BAART DE LA FAILLE, E. YOUNG andJ.C. VAN DER LEUN
Article first published online: 29 JUL 2006
SUMMARY
We
have compared the therapeutic effectiveness of a new UVB fluorescent
sunlamp, the Philips TL-01 lamp, which emits a narrow peak around
311¨C312 nm, with the currently used Philips TL-I2 lamp, in 10 patients
with psoriasis. We also compared the tumour inducing capacity of the two
lamps in hairless mice.
The therapeutic effect
of the TL-01 lamp was superior to that of the TL-I2 lamp in nine of the
10 patients. In the mice, the median tumour induction time was
significantly longer in animals exposed to the TL-01 lamp.
Phototherapy
with the new type of lamp requires a higher dose than phototherapy with
the usual broadband UVB sources. In practice this means that more lamps
are needed in the light cabinet. However, the new lamps appear to
provide more effective and safer phototherapy for psoriasis.
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