4.7 Review

Recent progress in polymeric non-invasive insulin delivery

期刊

出版社

ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.01.134

关键词

Insulin delivery; Oral; Vaginal; Ocular; Transdermal; Nasal; Polymers

资金

  1. National Research Foundation of Korea [NRF-2021R1I1A1A01042943]

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This review focuses on the design of carriers for insulin delivery and various non-invasive mechanisms for insulin delivery. It also highlights the use of smart stimuli-responsive insulin delivery systems and different polymers as insulin carriers. The advantages, limitations, and effects of each non-invasive route on insulin delivery are discussed in detail.
The design of carriers for insulin delivery has recently attracted major research attentions in the biomedical field. In general, the release of drug from polymers is driven via a variety of polymers. Several mechanisms such as matrix release, leaching of drug, swelling, and diffusion are usually adopted for the release of drug through polymers. Insulin is one of the most predominant therapeutic drugs for the treatment of both diabetes mellitus; type-I (insulin-dependent) and type II (insulin-independent). Currently, insulin is administered subcutaneously, which makes the patient feel discomfort, pain, hyperinsulinemia, allergic responses, lipodystrophy surrounding the injection area, and occurrence of miscarried glycemic control. Therefore, significant research interest has been focused on designing and developing new insulin delivery technologies to control blood glucose levels and time, which can enhance the patient compliance simultaneously through alternative routes as non-invasive in-sulin delivery. The aim of this review is to emphasize various non-invasive insulin delivery mechanisms including oral, transdermal, rectal, vaginal, ocular, and nasal. In addition, this review highlights different smart stimuli-responsive insulin delivery systems including glucose, pH, enzymes, near-infrared, ultrasound, magnetic and electric fields, and the application of various polymers as insulin carriers. Finally, the advantages, limitations, and the effect of each non-invasive route on insulin delivery are discussed in detail.

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