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  • Title: Comparison of clobetasol propionate cream plus coal tar vs. topical psoralen and solar ultraviolet A therapy in palmoplantar psoriasis.
    Author: Khandpur S, Sharma VK.
    Journal: Clin Exp Dermatol; 2011 Aug; 36(6):613-6. PubMed ID: 21507036.
    Abstract:
    AIM: Palmoplantar psoriasis (PPP) produces significant morbidity and requires prompt treatment. Topical agents form the mainstay of therapy. We compared the efficacy and side-effect profile of a steroid/coal-tar combination with topical psoralen and solar ultraviolet A (PUVAsol) in PPP. METHODS: In total, 52 patients with PPP were randomized to receive either a combination of clobetasol propionate cream and coal tar daily (group 1) or topical PUVAsol on alternate days (group 2) for 16 weeks. Response was assessed as change in Psoriasis Activity and Severity Index (PASI) and Patient Global Assessment (PGA). RESULTS: Of the 52 patients, 43 completed the treatment phase. There was a reduction in PASI for the palms and soles in both treatment groups throughout the treatment period until week 16. There was a greater reduction in PASI in palmar psoriasis with topical PUVAsol, and a greater reduction in psoriasis of the soles with the steroid/coal-tar combination. In both groups, patients perceived 'good improvement'. Improvement or cure in palmar lesions was observed in 90% of cases in the topical steroid/coal-tar group and in 75% of cases in the topical PUVAsol group; for the soles, these figures were 76% and 79%, respectively. No adverse effects were experienced with the steroid/coal-tar combination, whereas for the topical PUVAsol, phototoxicity occurred in 22% of cases. CONCLUSION: Both treatments had comparable efficacy. In both groups, patients experienced 'good improvement' after 16 weeks of therapy.
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