A double-blind, multicenter comparison between 0.05% halobetasol propionate ointment and 0.05% betamethasone dipropionate ointment in chronic plaque psoriasis.

In a double-blind, parallel-group, multicenter comparative trial on 104 evaluable patients with severe, localized plaque psoriasis, 0.05% halobetasol propionate ointment demonstrated an 88.7% success rate assessed as "healed" or "marked improvement" compared with 78.