Research progress on effect evaluation and application status of acupoint drug delivery
Acupoint drug delivery is a traditional external therapy of traditional Chinese medicine(TCM).Guided by the meridian and collateral theory in TCM,it applies medications to the skin at acupoints,exerting a dual therapeutic effect by stimulating the acu-points and the conduction of meridians.Acupoint drug delivery is widely used in clinical practice.Different from traditional oral admi-nistration and injection,it absorbs medications through the skin,effectively avoiding the first-pass effect of drugs and the toxic side effects caused by injection.Acupoint selection and transdermal drug absorption are pivotal factors affecting the efficacy of acupoint drug delivery.Recent research on acupoint drug delivery mainly focuses on the evaluation of clinical efficacy,yet the systematic investiga-tions on acupoint selection and pharmacodynamic factors are scarce.This study reviews the mechanism,efficacy evaluation and appli-cation status of acupoint drug delivery.It integrates the theory of TCM with modern medicine to explore the mechanism of acupoint drug delivery,evaluate its clinical efficacy,and assess the transdermal penetration in vivo and in vitro.The application status of acupoint drug delivery is also summarized,including the selection of acupoints,application dosage form,application time and the absorption of acupoints.This review aims to offer insights and references for the research,development and clinical application of acupoint drug de-livery products.
acupoint applicationtransdermal deliveryeffect evaluationapplication statusmechanism research
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