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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhu, Zhuangzhi Luo, Huafei Lu, Wangding Luan, Hansen Wu, Yubo Luo, Jing Wang, Youjie Pi, Jiaxin Lim, Chee Yen Wang, Hao |
| Copyright Year | 2014 |
| Abstract | To assess the feasibility of transdermal delivery of exenatide (EXT) using low-molecular-weight sodium hyaluronate (HA) dissolving microneedles (MNs) patches for type 2 diabetes mellitus therapy.Micromold casting method was used to fabricate EXT-loaded dissolving MNs. The characteristics of prepared MNs including mechanical strength, in vitro/in vivo insertion capacity, dissolution profile and storage stability were then investigated. Finally, the in vivo pharmacokinetics and hypoglycemic effects were compared with traditional subcutaneous (SC) injection.EXT-loaded dissolving MNs made of HA possessed sufficient mechanical strength and the strength could be weakened as the water content increases. The EXT preserved its pharmacological activity during fabrication and one-month storage. With the aid of spring-operated applicator, dissolving MNs could be readily penetrated into the skin in vitro/in vivo, and then rapidly dissolved to release encapsulated drug within 2 min. Additionally, transepidermal water loss (TEWL) determinations showed that skin’s barrier properties disrupted by MNs recovered within 10–12 h. Transdermal pharmacokinetics and antidiabetic effects studies demonstrated that fabricated EXT MNs induced comparable efficacy to SC injection.Our rapidly dissolving MNs patch appears to an excellent, painless alternative to conventional SC injection of EXT, and this minimally invasive device might also be suitable for other biotherapeutics. |
| Starting Page | 3348 |
| Ending Page | 3360 |
| Page Count | 13 |
| File Format | |
| ISSN | 07248741 |
| Journal | Pharmaceutical Research |
| Volume Number | 31 |
| Issue Number | 12 |
| e-ISSN | 1573904X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-05-28 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Pharmacology/Toxicology Pharmacy Biochemistry Medical Law Biomedical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Pharmacology Molecular Medicine Pharmacology (medical) Biotechnology Pharmaceutical Science |
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