Nanoformulated fenbendazole as an attractive approach for treating neurocysticercosis: in vitro and in vivo studies.

IF 2.6 4区 医学 Q2 PHARMACOLOGY & PHARMACY
Yngrid Batista da Silva, Giselle Bedogni, Guaraciara de Andrade Picanço, Jéssica Yonara de Souza, Waylla Silva Nunes, Tatiane Luiza da Costa, Geovana Batista de Campos, Lina Vargas Michelena, Claudio Javier Salomon, Marina Clare Vinaud
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引用次数: 0

Abstract

Purpose: This work aimed to develop fenbendazole nanocrystals to evaluate their effects on the energetic metabolism of Taenia crassiceps cysticerci, following an intracranial inoculation in mice.

Methods: Fenbendazole was nanoformulated by the antisolvent method using poloxamers 188 and 407 as stabilizers. The nanosuspensions were lyophilized without cryoprotectants and the nanocrystals were characterized in terms of particle size, zeta potential, and dissolution performance. The in vivo study was performed in infected animals treated with nanoformulated fenbendazole and raw drug and their metabolic impact was quantified by analyzing specific metabolites.

Results: Fenbendazole samples were obtained by nanoprecipitation in > 80% yield. The average particle size of the freeze-dried samples was between 372 nm and 1600 nm. The nanosystems released a greater amount of the drug into the solution, compared to the raw drug. The in vivo studies showed that the fenbendazole-treated groups induced gluconeogenesis, partial blockage of the TCA cycle, and increased protein catabolism. As seen, the nanoformulation presented a greater effect on these parameters than the raw drug leading to remarkable modifications in the metabolism of the parasite, which in turn can influence the overall course of the infection and treatment outcomes.

Conclusion: These findings suggest that nanoformulated fenbendazole may be considered a valuable approach for an effective treatment of neurocysticercosis.

纳米配方芬苯达唑作为治疗神经囊虫病的一种有吸引力的方法:体外和体内研究。
目的:本研究旨在开发芬苯达唑纳米晶体,以评估其在小鼠颅内接种后对原尾蚴囊尾蚴能量代谢的影响:方法:用多羟酰胺 188 和 407 作为稳定剂,通过抗溶剂法将苯醚甲环唑制成纳米制剂。在不使用低温保护剂的情况下对纳米悬浮液进行冻干,并对纳米晶体的粒度、ZETA电位和溶解性能进行表征。用纳米制剂芬苯达唑和原药对感染动物进行了体内研究,并通过分析特定代谢物对其代谢影响进行了量化:通过纳米沉淀法获得的芬苯达唑样品收率大于80%。冻干样品的平均粒径在 372 nm 到 1600 nm 之间。与生药相比,纳米系统能向溶液中释放更多的药物。体内研究表明,芬苯达唑处理组诱导了葡萄糖生成,部分阻断了 TCA 循环,增加了蛋白质分解代谢。可以看出,纳米制剂对这些参数的影响大于原药,从而显著改变了寄生虫的新陈代谢,进而影响感染的整体过程和治疗效果:这些研究结果表明,纳米制剂芬苯达唑可被视为有效治疗神经囊虫病的一种重要方法。
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来源期刊
CiteScore
5.90
自引率
2.90%
发文量
82
审稿时长
1 months
期刊介绍: Pharmaceutical Development & Technology publishes research on the design, development, manufacture, and evaluation of conventional and novel drug delivery systems, emphasizing practical solutions and applications to theoretical and research-based problems. The journal aims to publish significant, innovative and original research to advance the frontiers of pharmaceutical development and technology. Through original articles, reviews (where prior discussion with the EIC is encouraged), short reports, book reviews and technical notes, Pharmaceutical Development & Technology covers aspects such as: -Preformulation and pharmaceutical formulation studies -Pharmaceutical materials selection and characterization -Pharmaceutical process development, engineering, scale-up and industrialisation, and process validation -QbD in the form a risk assessment and DoE driven approaches -Design of dosage forms and drug delivery systems -Emerging pharmaceutical formulation and drug delivery technologies with a focus on personalised therapies -Drug delivery systems research and quality improvement -Pharmaceutical regulatory affairs This journal will not consider for publication manuscripts focusing purely on clinical evaluations, botanicals, or animal models.
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