2018
DOI: 10.1039/c8bm00768c
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A comparative study of dissolving hyaluronic acid microneedles with trehalose and poly(vinyl pyrrolidone) for efficient peptide drug delivery

Abstract: We studied the role of the additives trehalose and poly(vinyl pyrrolidone) in the physical and pharmacokinetic properties of peptide drug incorporated hyaluronic acid microneedles. Poly(vinyl pyrrolidone) increases the mechanical strength of microneedles and ameliorates drug bioavailability in vivo, suggesting that poly(vinyl pyrrolidone) can be a promising additive in the fabrication of peptide drug-encapsulated fully dissolving microneedles.

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Cited by 34 publications
(13 citation statements)
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“…Our data show that the penetration efficiency of dMNAs in the skin increased by mixing pullulan with trehalose, irrespective of the percentage of pullulan. Various polymers such as polyvinyl alcohol 36 , hyaluronic acid 37 , or polyvinylpyrrolidone 38 can also be mixed with trehalose to increase the mechanical strength of microneedles. However, the advantage of using pullulan over these polymers is that the trehalose/pullulan mixture has high antigen stabilizing properties 19 .…”
Section: Discussionmentioning
confidence: 99%
“…Our data show that the penetration efficiency of dMNAs in the skin increased by mixing pullulan with trehalose, irrespective of the percentage of pullulan. Various polymers such as polyvinyl alcohol 36 , hyaluronic acid 37 , or polyvinylpyrrolidone 38 can also be mixed with trehalose to increase the mechanical strength of microneedles. However, the advantage of using pullulan over these polymers is that the trehalose/pullulan mixture has high antigen stabilizing properties 19 .…”
Section: Discussionmentioning
confidence: 99%
“…Hyaluronic acid (HA) is a kind of macromolecular anionic polymer existing in the biological body, which is widely used in medicine, the cosmetics industry, and other biomedical applications [ 1 ]. It is endogenous, biocompatible, hydrophilic, viscoelastic, well tolerated, and therapeutic.…”
Section: Introductionmentioning
confidence: 99%
“…The dissolution rate of F1 formulation, which contained no trehalose, was relatively slow during in vitro drug release study, because trehalose accelerates drug release from DMNs [35]. Since the mechanical properties of DMN are improved upon the incorporation of trehalose [36], it is reasonable to exclude F1 in terms of microneedle fabrication and skin application. Because of its high water absorption capacity, PVP promotes rapid DMN dissolution and can, thus, improve drug bioavailability [37].…”
Section: Discussionmentioning
confidence: 99%
“…Thus, this DMN formulation was adopted as the final formulation. Accelerating the drug release from DMNs is an essential strategy to improve drug bioavailability [36].…”
Section: Discussionmentioning
confidence: 99%