Calcipotriol/Betamethasone Dipropionate: A Review of its Use in the Treatment of Psoriasis Vulgaris of the Trunk, Limbs and Scalp

Author： McCormack Paul L.

Publisher： Adis International

ISSN： 0012-6667

Source： Drugs, Vol.71, Iss.6, 2011-04, pp. : 709-730

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Abstract

Calcipotriol/betamethasone dipropionate (calcipotriol 50 μg/g and betamethasone 0.5 mg/g) is a fixed-dose combination of a vitamin D₃ analogue and a corticosteroid indicated for the once-daily, topical treatment of psoriasis vulgaris of the trunk, limbs and scalp in adults. Both the ointment (Daivobet®; Dovobet®) and gel (Xamiol®; Daivobet® Gel; Dovobet® Gel) formulations of calcipotriol/betamethasone dipropionate can be used to treat psoriasis vulgaris of the trunk and/or limbs, although the gel formulation was specifically developed for the treatment of scalp psoriasis. This article reviews the efficacy and tolerability of calcipotriol/betamethasone dipropionate in patients with psoriasis vulgaris, as well as summarizing its pharmacological properties.Calcipotriol/betamethasone dipropionate has low systemic absorption and displays local anti-inflammatory and immunoregulatory properties. It reduces the hyperproliferation of keratinocytes and helps normalize keratinocyte differentiation.In large, well designed clinical trials, calcipotriol/betamethasone dipropionate, either as the ointment or the gel formulation, applied once daily for 4-8 weeks, was more effective than placebo, calcipotriol and tacalcitol, as well as betamethasone dipropionate in most instances, for the topical, symptomatic treatment of psoriasis vulgaris of the trunk/limbs. Likewise, calcipotriol/betamethasone dipropionate gel applied once daily for 8 weeks was more effective than placebo or either component alone in the topical, symptomatic treatment of psoriasis vulgaris of the scalp.Long-term, once-daily, when required therapy with calcipotriol/betamethasone dipropionate for 52 weeks was more effective than calcipotriol alone for the treatment of scalp psoriasis, and was at least as effective as switching to calcipotriol for 48 weeks after 4 weeks of calcipotriol/betamethasone dipropionate or alternating between calcipotriol/betamethasone dipropionate and calcipotriol every 4 weeks for 52 weeks in the treatment of psoriasis vulgaris of the trunk/limbs. Calcipotriol/betamethasone dipropionate also improved health-related quality of life.Calcipotriol/betamethasone dipropionate was generally well tolerated, with most adverse drug reactions being lesional or perilesional effects of mild or moderate severity. Calcipotriol/betamethasone dipropionate was often associated with fewer lesional/perilesional adverse reactions than calcipotriol or tacalcitol and did not appear to be associated with a higher incidence of corticosteroid-related adverse events during long-term therapy. Pharmacoeconomic analyses predicted calcipotriol/betamethasone dipropionate to be more cost effective than other topical therapies.Thus, calcipotriol/betamethasone dipropionate is an important, effective, once-daily, topical therapy for the symptomatic treatment of psoriasis vulgaris of the trunk, limbs and scalp.