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  • Title: Calcitriol shows greater persistence of treatment effect than betamethasone dipropionate in topical psoriasis therapy.
    Author: Camarasa JM, Ortonne JP, Dubertret L.
    Journal: J Dermatolog Treat; 2003 Jan; 14(1):8-13. PubMed ID: 12745849.
    Abstract:
    OBJECTIVE: To establish the efficacy and duration of remission post-treatment of calcitriol 3 micro g/g ointment in comparison with betamethasone dipropionate 0.05% ointment. METHODS: A randomized, multicentre trial was conducted in 258 adult patients with chronic plaque psoriasis. Calcitriol 3 microg/g ointment or betamethasone dipropionate 0.05% ointment was applied twice daily for 6 weeks or until complete clearance of lesions. Patients whose psoriasis cleared or were significantly improved and did not require treatment continuation at treatment endpoint were contacted over the following 8 weeks to determine whether relapse had occurred. RESULTS: Both treatments were efficacious; improvement in psoriasis or clearance of lesions (residual erythema was allowed) was recorded for 79% and 82% of patients receiving calcitriol or betamethasone dipropionate, respectively. Global improvement and global severity scores at treatment endpoint showed statistically significant differences in favour of betamethasone dipropionate (p<0.05); however, the absolute reduction in mean PASI (psoriasis area and severity index) was comparable between the groups. A statistically significantly (p<0.01) higher proportion of responders remained in remission (no worsening of the disease warranting new treatment) following calcitriol therapy (48%) than betamethasone therapy (25%). This is of potential importance to patients, physicians and healthcare suppliers. CONCLUSION: Twice-daily applications of either calcitriol 3 microg/g ointment or betamethasone dipropionate 0.05% ointment can be used to good effect in the treatment of chronic plaque psoriasis. However, the beneficial effect is likely to persist for longer following calcitriol treatment.
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