首页|Lidocaine hydrochloride loaded isomaltulose microneedles for efficient local anesthesia of the skin

Lidocaine hydrochloride loaded isomaltulose microneedles for efficient local anesthesia of the skin

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Lidocaine hydrochloride(LIDH)as an anesthetic is widely used in local anesthesia.Dissolving micronee-dles(MNs)have great application value in the field of skin anesthesia.However,the limited drug-loading of dissolving MNs is an existing challenge that affects clinical use.In this study,we have screened isomal-tulose(ISO)as the proper matrix material for the MNs by using molecular dynamics(MD)simulation.Our findings indicate that ISO has good compatibility with LIDH,and the LIDH-loaded ISO MNs(LI-MNs)have high drug-loading capacity.The drug-loading capacity of LI-MNs could reach 80%,and it could effectively puncture the skin.In addition,the preparation method of customized LI-MNs was established based on three-dimensional(3D)printing technology.It was shown that the administration time of LI-MNs could be controlled within 3 min.Also,the LI-MNs were able to provide the local anesthetic efficacy within 2 min and sustained for more than 2 h.Significantly,LI-MNs had more efficient drug efficacy compared to the topical creams and the majority of existing LIDH-loaded dissolving MNs.They even provided a longer duration of action than the injections.Overall,the LI-MNs with high drug-loading have a promis-ing application prospect.

MicroneedlesLocal anesthesiaLidocaine hydrochlorideIsomaltuloseTransdermal delivery

Xuebing Jiang、Siyi Wang、Li Zhang、Xian Jiang、Maling Gou

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State Key Laboratory of Biotherapy,West China Hospital,Sichuan University,Chengdu 610041,China

Huahang Microcreate Technology Co.,Ltd.,Chengdu 610042,China

Department of Dermatology,West China Hospital,Sichuan University,Chengdu 610041,China

国家重点研发计划四川省科技计划四川省科技计划四川省自然科学基金

2021YFF12008002021JDTD00012022YFQ00042023NSFSC1629

2024

中国化学快报(英文版)
中国化学会

中国化学快报(英文版)

CSTPCD
影响因子:0.771
ISSN:1001-8417
年,卷(期):2024.35(4)
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