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Keywords:

  • calcipotriol;
  • combination;
  • cytokines;
  • narrowband ultraviolet B;
  • psoriasis

Abstract

We compared the clinical efficacy of various psoriasis treatments among: (i) topical application of calcipotriol ointment twice daily (group I); (ii) topical application of calcipotriol ointment twice daily and narrowband ultraviolet B NB-UVB phototherapy once a week (group II); (iii) topical application of heparinoid ointment twice daily and NB-UVB phototherapy more than twice a week (group III); and (iv) topical application of calcipotriol ointment twice daily and NB-UVB phototherapy more than twice a week (group IV). Ten patients were randomly selected for each group and treated by the indicated regimens for 12 weeks. All treatments were effective and significantly improved Psoriasis Area and Severity Index (PASI) scores, self-administered PASI scores and visual analog scale scores of pruritus. Group IV showed most marked and rapid reduction in PASI and self-PASI scores among the four regimens. Although the serum levels of interleukin (IL)-17, IL-20 and IL-22 and psoriasis disability index were significantly decreased after the treatments, no significant difference was detected among the four groups. Our study indicates that combination of calcipotriol ointment plus NB-UVB more than twice a week is superior to other treatment regimens, rapidly improving psoriasis lesions.