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Journal of the American Academy of Dermatology
Volume 54, n° 6
pages 1013-1018 (juin 2006)
Doi : 10.1016/j.jaad.2006.01.004
accepted : 6 January 2006
REPORTS

Methotrexate plus narrowband UVB phototherapy versus narrowband UVB phototherapy alone in the treatment of plaque-type psoriasis: A randomized, placebo-controlled study
 

Pravit Asawanonda, MD, DSc , Yaowalak Nateetongrungsak, MD
From the Division of Dermatology, Department of Medicine, Chulalongkorn University 

Reprint requests: Pravit Asawanonda, MD, DSc, Division of Dermatology, Department of Medicine, King Chulalongkorn Memorial Hospital, Rama 4 Rd, Bangkok 10330 Thailand.

Bangkok, Thailand

Abstract
Background

Combining phototherapy with topical and oral agents allows clinicians to treat recalcitrant psoriasis with reduced number of treatments and cumulative UV exposures.

Objective

This study was designed to determine the number of treatments necessary to clear plaque-type psoriasis when narrowband (NB) UVB is administered with methotrexate (MTX) or placebo in a randomized, controlled fashion.

Methods

MTX (15 mg/wk) or placebo was administered 3 weeks before standard NB UVB phototherapy was started. Treatments with the oral agent and phototherapy were continued until Psoriasis Area and Severity Index scores were reduced to less than 10% of the original scores or 24 weeks. Follow-up was performed until lesional scores returned to 50% of the original ones.

Results

A total of 24 patients were enrolled and 19 patients completed the study. Kaplan-Meier analysis revealed that the median time to clear psoriasis in the MTX/NB UVB group was 4 weeks, which was significantly less than that for the placebo/NB UVB group.

Limitations

Our sample size was relatively small (24 patients) with 5 dropouts. In addition, the study was conducted in skin types III to IV, Asian patients. Follow-up was limited to 4 to 6 months after completion of phototherapy.

Conclusion

MTX pretreatment allows physicians to clear psoriasis in fewer phototherapy sessions than when phototherapy is administered alone.

The full text of this article is available in PDF format.

Abbreviations used : DLQI, MED, MTX, NB, PASI, PUVA



 Funding sources: None.
Conflicts of interest: None identified.



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