Clinical Evaluation of a Low-pain Long Microneedle for Subcutaneous Insulin Injection

Ghunil Lee, Yonghao Ma, Yong ho Lee, Hyungil Jung

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Microneedles (MNs) are being developed to overcome the limitations of the conventional hypodermic needle, e.g. the injection pain. In this study, we conducted an analysis of clinical pain and bleeding at the site of MN insertion and evaluated the insulin pharmacodynamic profile compared with parameters obtained with a conventional pen needle. MN insertion into the skin of 25 healthy adults or 15 patients with type 2 diabetes (T2D) revealed significantly less pain relative to a conventional hypodermic pen needle, thus reducing pain scores from 2.1±1.9 to 1.3±1.4 (mean±standard deviation [SD]). Besides, no bleeding was observed when the MN was used. In the insulin pharmacodynamic assay, no significant differences were observed in the blood glucose-lowering effect between the pen needle and MN. Based on these results, the MN is expected to be a good substitute for conventional hypodermic pen needles and improve the quality of life of patients by significantly reducing the pain associated with insulin treatment.

Original languageEnglish
Pages (from-to)309-316
Number of pages8
JournalBiochip Journal
Issue number4
Publication statusPublished - 2018 Dec 1

Bibliographical note

Publisher Copyright:
© 2018, The Korean BioChip Society and Springer-Verlag GmbH Germany, part of Springer Nature.

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering
  • Electrical and Electronic Engineering


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