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Preparation methods and thermal stability of calcipotriol solid lipid nanoparticles and efficacy in plaque psoriasis treatment

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Abstract

The preparation of Calcipotriol by solid lipid nanoparticles and the encapsulation of drugs in solid lipids are expected to obtain a new preparation with strong cutin permeability, slow release and targeting effect, so as to improve the local therapeutic effect of the drug and reduce the occurrence of skin irritation symptoms. In this work, Calcipotriol solid lipid nanoparticle (CPT-SLN) preparation methods are introduced and the stability of CPT-SLNs gel was evaluated by appearance, leakage rate and content. The performance was stable in a low-temperature environment of 4 °C for 40 days. There were no significant changes in appearance, and drug content and permeability can be controlled around 0.00469% and 0.26. However, it has poor stability under the storage conditions of 25 °C and 40 °C at room temperature. Therefore, the suitable conditions for the gel storage should be around 4 °C and sealed away from light. Pharmacodynamic experiments showed that CPT solid lipid nanoparticle gel was more effective than market-sale Calcipotriol ointment in the treatment of psoriasis. Further clinical tests have shown that CPT-SLNS can cure plaque psoriasis more effectively.

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Correspondence to Ying Zhao.

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Ren, G., Zhao, Y. Preparation methods and thermal stability of calcipotriol solid lipid nanoparticles and efficacy in plaque psoriasis treatment. J Therm Anal Calorim 144, 2091–2098 (2021). https://doi.org/10.1007/s10973-021-10627-3

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  • DOI: https://doi.org/10.1007/s10973-021-10627-3

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