[How I treat...topical treatment of plaque type psoriasis by the combination of calcipotriol and betamethasone dipropionate].

The combination of calcipotriol and betamethasone dipropionate in a single topical formulation is a recent advance in treatment of plaque type psoriasis. Studies rooted on evidence-based medicine have been recently published. We report a synthesis and a critical analysis, critical analysis of these investigations, and translate their data with a view to apply them in daily practice.