装有利多卡因的聚合物纳米囊:用于局部牙科麻醉的有希望的配方
Camila Batista da Silva1, Cleiton Pita Dos Santos1, Luciano Serpe1
1Department of Biosciences, Piracicaba Dental School, Universidade Estadual de Campinas, Av. Limeira, 901, Piracicaba, SP 13414-903, Brazil.
Pharmaceuticals (Basel, Switzerland)
|April 27, 2024
概括
在纳米囊中封装利多卡因增强了其局部麻醉特性和透性. 虽然不像上腺素那么强大,但LDC-Nano对口服局部麻醉有前途.
科学领域:
- * 制药科学 制药科学
- * 纳米技术的使用
- * 药理学 药理学 药理学
背景情况:
- * 利多卡因是一种广泛使用的局部麻醉剂,但由于时间短,它对局部口服麻醉有局限性.
- * 需要新的药物输送系统来改善利多卡因的疗效和透.
- * Poly ((ε-caprolactone) 纳米囊为增强麻醉药物输送提供了一个潜在的平台.
研究的目的:
- * 为了研究含有利多卡因的多--拉克纳米囊 (LDC-Nano) 对改善局部麻醉的潜力.
- * 评估LDC-纳米的物理化学特性,体外细胞毒性和体外透性.
- * 为了比较LDC-Nano与普通利多卡因 (LDC) 和利多卡因化物加上上腺素 (LDC-Epi) 的体内麻醉疗效.
主要方法:
- * LDC-Nano的物理化学表征,包括粒子大小,多分散度指数和封装效率.
- * 通过对HaCaT细胞进行MTT试验进行体外细胞毒性评估.
- * 通过猪食道上皮的体外透研究.
- * 在老鼠后爪切口模型中进行体内麻醉疗效测试.
主要成果:
- * LDC-Nano表现出令人满意的物理化学特性和最长4个月的稳定性.
- *LDC-纳米在体外表现出与LDC可比的细胞毒性,但低于LDC-Epi.
- *封装显著增加了利多卡因的透系数 (6.6x) 和通过粘膜表皮的稳定状态流量 (7.5x).
- *与LDC相比,LDC-Nano和LDC-Epi都延长了麻醉时间,而LDC-Epi更有效.
结论:
- * 装有利多卡因的纳米囊在体外透率提高和麻醉持续时间改善.
- * LDC-纳米为局部麻醉提供了一个有希望的替代方案,特别是对于口腔.
- *需要进一步的研究来探索LDC-Nano在临床应用中的全部潜力.
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