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Comparison of safety and efficacy between calcipotriol plus betamethasone dipropionate gel and calcipotriol scalp solution as long-term treatment for scalp psoriasis in Chinese patients: a national, multicentre, prospective, randomized, active-controlled phase 4 trial

  • Therapy
  • Published:
European Journal of Dermatology

Abstract

Background

The efficacy and safety of calcipotriol plus betamethasone dipropionate gel for the treatment of scalp psoriasis has previously been demonstrated in a four-week trial in a Chinese population.

Objective

To evaluate the long-term safety and efficacy of two-compound gel in Chinese adult patients with scalp psoriasis.

Materials & Methods

A multicentre, prospective, randomized, active-controlled trial was established in which subjects were randomized (at a ratio of 4: 1) to receive either two-compound gel once daily or calcipotriol scalp solution twice daily for 28 weeks. Incidence of adverse drug reactions (ADRs) of any type and adverse events (AEs) of concern associated with long-term corticosteroid use on the scalp were evaluated.

Results

A total of 951 subjects were randomly assigned to receive either two-compound gel (n=760) or calcipotriol scalp solution (n=191). The incidence of ADRs was significantly lower in the two-compound gel group compared with the calcipotriol scalp solution group (11.7 vs. 22.2%, p<0.001). There was no significant difference in treatment-emergent adverse events (TEAEs) associated with long-term topical corticosteroid use on the scalp (1.1% vs. 0%, p=0.369) between the two groups. A statistically significant difference in the percentage of visits with treatment success according to the Subject’s Global Assessment was observed (p=0.009); more subjects had visits with 100% treatment success (15.2 vs. 6.3%) and fewer subjects had visits with 0% treatment success (23.7 vs. 30.8%) using two-compound gel compared to calcipotriol scalp solution.

Conclusion

The two-compound gel was well tolerated and effective in the long-term management of scalp psoriasis in Chinese patients.

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Authors and Affiliations

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Corresponding author

Correspondence to Min Zheng.

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Acknowledgements and disclosures

Acknowledgements: the authors thank the investigators who participated in this study. Johan Petter Soderstrom of LEO Pharma A/S is acknowledged for assistance with the preparation of this manuscript. Financial support: this trial was sponsored by LEO Pharma A/S, Ballerup, Denmark. Conflicts of interest: YY. Chen is a salaried employee of LEO Pharma A/S. All authors declare that they have no conflicts of interest.

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Liu, L., Zhang, C., Wang, J. et al. Comparison of safety and efficacy between calcipotriol plus betamethasone dipropionate gel and calcipotriol scalp solution as long-term treatment for scalp psoriasis in Chinese patients: a national, multicentre, prospective, randomized, active-controlled phase 4 trial. Eur J Dermatol 30, 580–590 (2020). https://doi.org/10.1684/ejd.2020.3876

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