Dual-Mode Vasodilator M119 Delivery to Hair Follicle via Dissolving Microneedle for Advanced Alopecia Treatment

    May 2022 in “ Advanced therapeutics
    You-Seong Kim, Yeong Ryu, Hye Sook Min, Huisuk Yang, Jeehye Nam, Chisong Lee, Daniel Junmin Um, Miji Kim, Paola Atzei, Rita de Brito Francisco, Reto Naef, Kyungeon Choi, Hyungil Jung
    From the encyclopedia
    Finasteride →

    Frontline, gold standard treatment for combatting androgenic alopecia

    Minoxidil →

    An essential vasodilator with some anti-androgenic effects

    Studysummary This study reported that a novel vasodilator drug called TOP-M119, when delivered using a specially designed dissolving microneedle system, showed enhanced targeting of hair follicles and effectiveness in treating alopecia, demonstrated through in vitro, ex vivo, and in vivo studies involving mouse skin.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    Researchers have developed a novel drug delivery system using dissolving microneedles (DMN) loaded with TOP-M119 (M119), a vasodilator, for advanced alopecia treatment. This system addresses the limitations of current treatments like finasteride and minoxidil by enhancing drug delivery to hair follicles. The specially designed DMN and applicator ensure effective scalp implantation without accidental skin insertion. In vitro, ex vivo, and in vivo studies, including mouse models, demonstrated superior efficacy in promoting hair growth, supported by increased expression of hair growth markers such as β-catenin and proliferating cell nuclear antigen.
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