1
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Szabó A, De Decker I, Semey S, E.Y. Claes K, Blondeel P, Monstrey S, Dorpe JV, Van Vlierberghe S. Photo-crosslinkable polyester microneedles as sustained drug release systems toward hypertrophic scar treatment. Drug Deliv 2024; 31:2305818. [PMID: 38424728 PMCID: PMC10956933 DOI: 10.1080/10717544.2024.2305818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/22/2023] [Indexed: 03/02/2024] Open
Abstract
Burn injuries can result in a significant inflammatory response, often leading to hypertrophic scarring (HTS). Local drug therapies e.g. corticoid injections are advised to treat HTS, although they are invasive, operator-dependent, extremely painful and do not permit extended drug release. Polymer-based microneedle (MN) arrays can offer a viable alternative to standard care, while allowing for direct, painless dermal drug delivery with tailorable drug release profile. In the current study, we synthesized photo-crosslinkable, acrylate-endcapped urethane-based poly(ε-caprolactone) (AUP-PCL) toward the fabrication of MNs. Physico-chemical characterization (1H-NMR, evaluation of swelling, gel fraction) of the developed polymer was performed and confirmed successful acrylation of PCL-diol. Subsequently, AUP-PCL, and commercially available PCL-based microneedle arrays were fabricated for comparative evaluation of the constructs. Hydrocortisone was chosen as model drug. To enhance the drug release efficiency of the MNs, Brij®35, a nonionic surfactant was exploited. The thermal properties of the MNs were evaluated via differential scanning calorimetry. Compression testing of the arrays confirmed that the MNs stay intact upon applying a load of 7 N, which correlates to the standard dermal insertion force of MNs. The drug release profile of the arrays was evaluated, suggesting that the developed PCL arrays can offer efficient drug delivery for up to two days, while the AUP-PCL arrays can provide a release up to three weeks. Finally, the insertion of MN arrays into skin samples was performed, followed by histological analysis demonstrating the AUP-PCL MNs outperforming the PCL arrays upon providing pyramidical-shaped perforations through the epidermal layer of the skin.
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Affiliation(s)
- Anna Szabó
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Ignace De Decker
- Burn Center, Ghent University Hospital, Ghent, Belgium
- Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Sam Semey
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Karel E.Y. Claes
- Burn Center, Ghent University Hospital, Ghent, Belgium
- Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Phillip Blondeel
- Burn Center, Ghent University Hospital, Ghent, Belgium
- Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Stan Monstrey
- Burn Center, Ghent University Hospital, Ghent, Belgium
- Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Jo Van Dorpe
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
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2
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Wang A, Ruan X, Wang X, Ren Y, Shen C, Zhang K, Song Z, Xiang B, Ma Y, Zhao F. A one-stop integrated natural antimicrobial microneedles with anti-inflammatory, pro-angiogenic and long-term moisturizing properties to accelerate diabetic wound healing. Eur J Pharm Biopharm 2024; 203:114448. [PMID: 39134098 DOI: 10.1016/j.ejpb.2024.114448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/28/2024] [Accepted: 08/06/2024] [Indexed: 09/14/2024]
Abstract
Diabetic ulcers present a formidable obstacle in diabetes management, typically leading to high mortality and amputation rates. To overcome traditional monotherapy drawbacks, We developed a novel microneedle strategy for combined antimicrobial action: ingeniously integrating quercetin with Platelet-derived Growth Factor-BB(PDGF-BB) and Sucrose Octasulfate(SOS) into the microneedle system(QPS MN). This method allows to penetrate through biofilms, administering quercetin nanocrystals and PDGF-BB deep into the tissue to combat microbial infection, mitigate inflammation, and promote angiogenesis. The accompanying backing material contains SOS, which absorbs wound exudate and forms a dressing that provides a moist environment for wound healing In an in vitro wound-scratch assay demonstrated that co-cultivating Human Umbilical Vein Endothelial Cells(HUVEC) with QPS MN for 48 h (90.3 ± 2.51 %) significantly enhanced cell migration compared to the control group (20.2 ± 1.41 %). Moreover, treatment of streptozotocin-induced diabetic wounds in rats with QPS MN for 14 days resulted in a wound healing rate of 96.56 ± 3.44 %, far surpassing the healing rate of only 40.34 ± 7.26 % observed in the untreated control group. Furthermore, the QPS MN treated wounds exhibited a notable increase in skin appendages and neovascularisation, indicating promising potential for achieving complete wound healing. These results suggest that QPS MN may offer substantial therapeutic benefits for addressing diabetic wounds.
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Affiliation(s)
- Aili Wang
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Xi Ruan
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Xuejiao Wang
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Yuyu Ren
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Chunjiao Shen
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Kaiyi Zhang
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Zhenjie Song
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Bai Xiang
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Yinling Ma
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key Laboratory of Clinical Pharmacy, Department of Pharmacy, Hebei General Hospital, Shijiazhuang 050051, China.
| | - Feng Zhao
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China.
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3
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Khan MUA, Aslam MA, Abdullah MFB, Gul H, Stojanović GM, Abdal-Hay A, Hasan A. Microneedle system for tissue engineering and regenerative medicines: a smart and efficient therapeutic approach. Biofabrication 2024; 16:042005. [PMID: 39121888 DOI: 10.1088/1758-5090/ad6d90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Accepted: 08/09/2024] [Indexed: 08/12/2024]
Abstract
The global demand for an enhanced quality of life and extended lifespan has driven significant advancements in tissue engineering and regenerative medicine. These fields utilize a range of interdisciplinary theories and techniques to repair structurally impaired or damaged tissues and organs, as well as restore their normal functions. Nevertheless, the clinical efficacy of medications, materials, and potent cells used at the laboratory level is always constrained by technological limitations. A novel platform known as adaptable microneedles has been developed to address the abovementioned issues. These microneedles offer a solution for the localized distribution of various cargos while minimizing invasiveness. Microneedles provide favorable patient compliance in clinical settings due to their effective administration and ability to provide a painless and convenient process. In this review article, we summarized the most recent development of microneedles, and we started by classifying various microneedle systems, advantages, and fundamental properties. Subsequently, it provides a comprehensive overview of different types of microneedles, the material used to fabricate microneedles, the fundamental properties of ideal microneedles, and their applications in tissue engineering and regenerative medicine, primarily focusing on preserving and restoring impaired tissues and organs. The limitations and perspectives have been discussed by concluding their future therapeutic applications in tissue engineering and regenerative medicines.
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Affiliation(s)
- Muhammad Umar Aslam Khan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Muhammad Azhar Aslam
- Department of Physics, University of Engineering and Technology, Lahore 39161, Pakistan
| | - Mohd Faizal Bin Abdullah
- Oral and Maxillofacial Surgery Unit, School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kota Bharu, Kelantan, Malaysia
- Oral and Maxillofacial Surgery Unit, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kota Bharu, Kelantan, Malaysia
| | - Hilal Gul
- Department of Biomedical Engineering, Faculty of Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Goran M Stojanović
- Department of Electronics, Faculty of Technical Sciences, University of Novi Sad, 21000 Novi Sad, Serbia
| | - Abdalla Abdal-Hay
- School of Dentistry, University of Queensland, 288 Herston Road, Herston, QLD 4006, Australia
- Department of Mechanical Engineering, Faculty of Engineering, South Valley University, Qena 83523, Egypt
- Faculty of Industry and Energy Technology, Mechatronics Technology Program, New Cairo Technological University, New Cairo-Fifth Settlement, Cairo 11835, Egypt
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
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4
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Bader N, Abu Ammar A. Incorporating surfactants into PCL microneedles for sustained release of a hydrophilic model drug. Int J Pharm 2024; 652:123826. [PMID: 38253267 DOI: 10.1016/j.ijpharm.2024.123826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/29/2023] [Accepted: 01/19/2024] [Indexed: 01/24/2024]
Abstract
Polymeric microneedles (MNs) are widely used for sustained drug release due to their distinct advantages over other types of MNs. Poly-ε-caprolactone (PCL) stands out as a biodegradable and biocompatible hydrophobic polymer commonly employed in drug delivery applications. This study explores the impact of surfactants on the encapsulation and release rate of a model hydrophilic drug, minoxidil (MXD), from PCL MNs. Three nonionic surfactants, Tween 80, Span 60, and polyethylene glycol (PEG), were integrated into PCL MNs at varying concentrations. Compared to the other types of surfactants, PEG-containing PCL MNs exhibit enhanced insertion capabilities into a skin-simulant parafilm model and increased mechanical strength, suggesting facile penetration into the stratum corneum. Furthermore, MXD-PEG MNs show the highest encapsulation efficiency and are further characterized using FTIR, DSC and XRD. Their mechanical strength against different static forces was measured. The MNs exhibit a sustained release pattern over 20 days. Eventually, MXD-PEG MNs were subjected to penetration testing using chicken skin and required minimal insertion forces with no observed MN failure during experimentation even after compression with the maximum force applied (32 N per patch). Taken together, the present work demonstrates the feasibility of incorporating nonionic surfactants like PEG into the tips of hydrophobic PCL MNs for sustained delivery of a model hydrophilic drug. This formulation strategy can be used to improve patient compliance by allowing self-administration and achieving prolonged drug release.
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Affiliation(s)
- Nadeen Bader
- Department of Pharmaceutical Engineering, Azrieli College of Engineering Jerusalem, Jerusalem 9103501, Israel
| | - Aiman Abu Ammar
- Department of Pharmaceutical Engineering, Azrieli College of Engineering Jerusalem, Jerusalem 9103501, Israel.
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5
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Vach Agocsova S, Culenova M, Birova I, Omanikova L, Moncmanova B, Danisovic L, Ziaran S, Bakos D, Alexy P. Resorbable Biomaterials Used for 3D Scaffolds in Tissue Engineering: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4267. [PMID: 37374451 PMCID: PMC10301242 DOI: 10.3390/ma16124267] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/28/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023]
Abstract
This article provides a thorough overview of the available resorbable biomaterials appropriate for producing replacements for damaged tissues. In addition, their various properties and application possibilities are discussed as well. Biomaterials are fundamental components in tissue engineering (TE) of scaffolds and play a critical role. They need to exhibit biocompatibility, bioactivity, biodegradability, and non-toxicity, to ensure their ability to function effectively with an appropriate host response. With ongoing research and advancements in biomaterials for medical implants, the objective of this review is to explore recently developed implantable scaffold materials for various tissues. The categorization of biomaterials in this paper includes fossil-based materials (e.g., PCL, PVA, PU, PEG, and PPF), natural or bio-based materials (e.g., HA, PLA, PHB, PHBV, chitosan, fibrin, collagen, starch, and hydrogels), and hybrid biomaterials (e.g., PCL/PLA, PCL/PEG, PLA/PEG, PLA/PHB PCL/collagen, PCL/chitosan, PCL/starch, and PLA/bioceramics). The application of these biomaterials in both hard and soft TE is considered, with a particular focus on their physicochemical, mechanical, and biological properties. Furthermore, the interactions between scaffolds and the host immune system in the context of scaffold-driven tissue regeneration are discussed. Additionally, the article briefly mentions the concept of in situ TE, which leverages the self-renewal capacities of affected tissues and highlights the crucial role played by biopolymer-based scaffolds in this strategy.
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Affiliation(s)
- Sara Vach Agocsova
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovakia; (S.V.A.); (B.M.); (D.B.); (P.A.)
| | - Martina Culenova
- Panara a.s., Krskanska 21, 949 05 Nitra, Slovakia; (I.B.); (L.O.)
| | - Ivana Birova
- Panara a.s., Krskanska 21, 949 05 Nitra, Slovakia; (I.B.); (L.O.)
| | - Leona Omanikova
- Panara a.s., Krskanska 21, 949 05 Nitra, Slovakia; (I.B.); (L.O.)
| | - Barbora Moncmanova
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovakia; (S.V.A.); (B.M.); (D.B.); (P.A.)
| | - Lubos Danisovic
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia; (L.D.); (S.Z.)
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, 811 08 Bratislava, Slovakia
| | - Stanislav Ziaran
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia; (L.D.); (S.Z.)
- Department of Urology, Faculty of Medicine, Comenius University, Limbova 5, 833 05 Bratislava, Slovakia
| | - Dusan Bakos
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovakia; (S.V.A.); (B.M.); (D.B.); (P.A.)
- Panara a.s., Krskanska 21, 949 05 Nitra, Slovakia; (I.B.); (L.O.)
| | - Pavol Alexy
- Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37 Bratislava, Slovakia; (S.V.A.); (B.M.); (D.B.); (P.A.)
- Panara a.s., Krskanska 21, 949 05 Nitra, Slovakia; (I.B.); (L.O.)
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6
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Geoghegan N, O'Loughlin M, Delaney C, Rochfort KD, Kennedy M, Kolagatla S, Podhorska L, Rodriguez BJ, Florea L, Kelleher SM. Controlled degradation of polycaprolactone-based micropillar arrays. Biomater Sci 2023; 11:3077-3091. [PMID: 36876330 PMCID: PMC10152922 DOI: 10.1039/d3bm00165b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Herein we demonstrate the fabrication of arrays of micropillars, achieved through the combination of direct laser writing and nanoimprint lithography. By combining two diacrylate monomers, polycaprolactone dimethacrylate (PCLDMA) and 1,6-hexanediol diacrylate (HDDA), two copolymer formulations that, owing to the varying ratios of the hydrolysable ester functionalities present in the polycaprolactone moiety, can be degraded in the presence of base in a controllable manner. As such, the degradation of the micropillars can be tuned over several days as a function of PCLDMA concentration within the copolymer formulations, and the topography greatly varied over a short space of time, as visualised using scanning electron microscopy and atomic force microscopy. Crosslinked neat HDDA was used as a control material, demonstrating that the presence of the PCL was responsible for the ability of the microstructures to degrade in the controlled manner. In addition, the mass loss of the crosslinked materials was minimal, demonstrating the degradation of microstructured surfaces without loss of bulk properties was possible. Moreover, the compatibility of these crosslinked materials with mammalian cells was explored. The influence of both indirect and direct contact of the materials with A549 cells was assessed by profiling indices reflective of cytotoxicity such as morphology, adhesion, metabolic activity, oxidative balance, and release of injury markers. No significant changes in the aforementioned profile were observed in the cells cultured under these conditions for up to 72 h, with the cell-material interaction suggesting these materials may have potential in microfabrication contexts towards biomedical application purposes.
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Affiliation(s)
- Niamh Geoghegan
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland. .,CURAM, Science Foundation Ireland Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | - Mark O'Loughlin
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Colm Delaney
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland
| | - Keith D Rochfort
- School of Nursing, Psychotherapy, and Community Health, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Meabh Kennedy
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Srikanth Kolagatla
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland.,Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - Lucia Podhorska
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Brian J Rodriguez
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - Larisa Florea
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland
| | - Susan M Kelleher
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland. .,CURAM, Science Foundation Ireland Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland.,School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
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7
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Zhang XP, He YT, Li WX, Chen BZ, Zhang CY, Cui Y, Guo XD. An update on biomaterials as microneedle matrixes for biomedical applications. J Mater Chem B 2022; 10:6059-6077. [PMID: 35916308 DOI: 10.1039/d2tb00905f] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Microneedles (MNs) have been developed for various applications such as drug delivery, cosmetics, diagnosis, and biosensing. To meet the requirements of MNs used in these areas, numerous materials have been used for the fabrication of MNs. However, MNs will be exposed to skin tissues after piercing the stratum corneum barrier. Thus, it is necessary to ensure that the matrix materials of MNs have the characteristics of low toxicity, good biocompatibility, biodegradability, and sufficient mechanical properties for clinical application. In this review, the matrix materials currently used for preparing MNs are summarized and reviewed in terms of these factors. In addition, MN products used on the market and their applications are summarized in the end. This work may provide some basic information to researchers in the selection of MN matrix materials and in developing new materials.
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Affiliation(s)
- Xiao Peng Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu Ting He
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Wen Xuan Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Bo Zhi Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Can Yang Zhang
- Biopharmaceutical and Health Engineering Division, Tsinghua Shenzhen International Graduate School, Shenzhen, 518055, China.
| | - Yong Cui
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing, 100029, P. R. China.
| | - Xin Dong Guo
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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8
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Liu RX, He YT, Liang L, Hu LF, Liu Y, Yu RX, Chen BZ, Cui Y, Guo XD. Mechanical evaluation of polymer microneedles for transdermal drug delivery: In vitro and in vivo. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Ashton MD, Cooper PA, Municoy S, Desimone MF, Cheneler D, Shnyder SD, Hardy JG. Controlled Bioactive Delivery Using Degradable Electroactive Polymers. Biomacromolecules 2022; 23:3031-3040. [PMID: 35748772 PMCID: PMC9277582 DOI: 10.1021/acs.biomac.2c00516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
![]()
Biomaterials capable
of precisely controlling the delivery of agrochemicals/biologics/drugs/fragrances
have significant markets in the agriscience/healthcare industries.
Here, we report the development of degradable electroactive polymers
and their application for the controlled delivery of a clinically
relevant drug (the anti-inflammatory dexamethasone phosphate, DMP).
Electroactive copolymers composed of blocks of polycaprolactone (PCL)
and naturally occurring electroactive pyrrole oligomers (e.g., bilirubin,
biliverdin, and hemin) were prepared and solution-processed to produce
films (optionally doped with DMP). A combination of in silico/in vitro/in
vivo studies demonstrated the cytocompatibility of the polymers. The
release of DMP in response to the application of an electrical stimulus
was observed to be enhanced by ca. 10–30% relative to the passive
release from nonstimulated samples in vitro. Such stimuli-responsive
biomaterials have the potential for integration devices capable of
delivering a variety of molecules for technical/medical applications.
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Affiliation(s)
- Mark D Ashton
- Department of Chemistry, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
| | - Patricia A Cooper
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, U.K
| | - Sofia Municoy
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica, Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina
| | - Martin F Desimone
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica, Consejo Nacional de Investigaciones, Científicas y Técnicas (CONICET), Universidad de Buenos Aires, Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina
| | - David Cheneler
- Department of Engineering, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YW, U.K.,Materials Science Institute, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
| | - Steven D Shnyder
- Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, U.K
| | - John G Hardy
- Department of Chemistry, Faculty of Science and Technology, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K.,Materials Science Institute, Lancaster University, Bailrigg, Lancaster LA1 4YB, U.K
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10
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Rajput A, Kulkarni M, Deshmukh P, Pingale P, Garkal A, Gandhi S, Butani S. A Key Role by Polymers in Microneedle Technology: A New Era. Drug Dev Ind Pharm 2022; 47:1713-1732. [PMID: 35332822 DOI: 10.1080/03639045.2022.2058531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The skin serves as the major organ in the targeted transdermal drug delivery system for many compounds. The microneedle acts as a novel technique to deliver drugs across the different layers of the skin, including the major barrier stratum corneum, in an effective manner. A microneedle array patch comprises dozens to hundreds of micron-sized needles with numerous structures and advantages resulting from their special and smart designs. Microneedle approach is much more advanced than conventional transdermal delivery pathways due to several benefits like minimally invasive, painless, self-administrable, and enhanced patient compliance. The microneedles are classified into hollow, solid, coated, dissolving, and hydrogel. Several polymers are used to fabricate microneedle, such as natural, semi-synthetic, synthetic, biodegradable, and swellable polymers. Researchers in the preparation of microneedles also explored the combinations of polymers. The safety of the polymer used in microneedle is a crucial aspect to prevent toxicity in vivo. Thus, this review aims to provide a detailed review of microneedles and mainly focus on the various polymers used in the fabrication of microneedles.
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Affiliation(s)
- Amarjitsing Rajput
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth Deemed to Be University, Paud Road, Erandwane, Pune-411038, Maharashtra, India.,Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
| | - Madhur Kulkarni
- SCES's Indira College of Pharmacy, New Pune Mumbai Highway, Tathwade-411033, Pune, Maharashtra, India
| | - Prashant Deshmukh
- Dr. Rajendra Gode College of Pharmacy, Malkapur, Buldana- 443101, Maharashtra, India
| | - Prashant Pingale
- Department of Pharmaceutics, GES's Sir Dr. M. S. Gosavi College of Pharmaceutical Education and Research, Nashik-422005, Maharashtra, India
| | - Atul Garkal
- Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
| | - Sahil Gandhi
- Department of Pharmaceutics, Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai 400056, Maharashtra, India
| | - Shital Butani
- Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
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Wang R, Jiang G, Aharodnikau UE, Yunusov K, Sun Y, Liu T, Solomevich SO. Recent advances in polymer microneedles for drug transdermal delivery: Design strategies and applications. Macromol Rapid Commun 2022; 43:e2200037. [PMID: 35286762 DOI: 10.1002/marc.202200037] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/25/2022] [Indexed: 11/08/2022]
Abstract
In recent years, the transdermal drug delivery based on microneedles (MNs) technology has received extensive attention, which offers a safer and painless alternative to hypodermic needle injection. They can pierce the stratum corneum and deliver drugs to the epidermis and dermis-structures of skin, showing prominent properties such as minimally invasive, bypassing first-pass metabolism, and self-administered. A range of materials have been used to fabricate MNs, such as silicon, metal, glass, and polymers. Among them, polymer MNs have gained increasing attention from pharmaceutical and cosmetic companies as one of the promising drug delivery methods. Microneedle products have recently become available on the market, and some of them are under evaluation for efficacy and safety. This paper focuses on current state of polymer MNs in the drug transdermal delivery. The materials and methods for the fabrication of polymer MNs and their drug administration are described. The recent progresses of polymer MNs for treatment of cancer, vaccine delivery, blood glucose regulation, androgenetic alopecia, obesity, tissue healing, myocardial infarction and gout are reviewed. The challenges of MNs technology are summarized and the future development trend of MNs is also prospected. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Rui Wang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | | | - Khaydar Yunusov
- Institute of Polymer Chemistry and Physics, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - Tianqi Liu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | - Sergey O Solomevich
- Institute of Polymer Chemistry and Physics, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
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12
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Li Y, Liao X, Zheng B. Studies on local anesthetic lidocaine hydrochloride delivery via photo-triggered implantable polymeric microneedles as a patient-controlled transdermal analgesia system. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:155-173. [PMID: 34635015 DOI: 10.1080/09205063.2021.1981535] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This study aimed to develop photo-triggered implantable polymeric microneedles (MNs) for successful drug delivery in a transdermal analgesia system. The prepared iron oxide nanoparticles (Fe3O4NPs) were coated with polydopamine (PDA) followed by polyvinylpyrrolidone (PVP) and polycaprolactone (PCL). While the PCL/PVP-Fe3O4NPs synthesis, the absorption band of PVP at 1656 cm-1 shifted to 1665 cm-1 which indicate the presence of interaction between Fe+ and C = O groups. The size and morphology of PCL/PVP-Fe3O4NPs were examined by scanning electron microscope and transmission electron microscope (SEM and TEM) analysis. The results confirmed that the prepared PCL/PVP-Fe3O4NPs were spherical with sizes ranging from 9 to 11 nm. The lidocaine hydrochloride content in the microneedles was 3.72 ± 0.31 mg and A + 2.2S ≤ L representing that the drug was uniformly distributed. The insertion ability of lidocaine hydrochloride@PCL/PVP-Fe3O4NPs-DMNs was tested by porcine skin. The results demonstrated outstanding insertion ability and potential for drug delivery. In addition, near-infrared (NIR) irradiation has the potential to penetrate the skin and enhance lidocaine hydrochloride-releasing activity. The in vivo experimental data confirmed that lidocaine hydrochloride@PCL/PVP-Fe3O4NPs-DMNs allowed for painless drug delivery by breaking the barrier of the stratum corneum. To conclude, lidocaine hydrochloride can be safely delivered through the transdermal analgesic system, with a quick onset time.
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Affiliation(s)
- Yafeng Li
- Department of Anesthesiology, Nanchang Hongdu Hospital of Traditional Chinese Medicine, PR China
| | - Xiaoxiang Liao
- Department of Anesthesiology, Nanchang Hongdu Hospital of Traditional Chinese Medicine, PR China
| | - Bin Zheng
- Department of Pain, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, PR China
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Huang Y, Yu H, Wang L, Shen D, Ni Z, Ren S, Lu Y, Chen X, Yang J, Hong Y. Research progress on cosmetic microneedle systems: Preparation, property and application. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110942] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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14
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Chen HW, Lin MF, Lai YH, Chen BY. Skin-friendly dressing with alcohols treatment for enhancement of mechanical and biocompatible properties. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.09.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Eum J, Kim Y, Um DJ, Shin J, Yang H, Jung H. Solvent-Free Polycaprolactone Dissolving Microneedles Generated via the Thermal Melting Method for the Sustained Release of Capsaicin. MICROMACHINES 2021; 12:167. [PMID: 33567577 PMCID: PMC7914501 DOI: 10.3390/mi12020167] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 12/24/2022]
Abstract
(1) Background: Dissolving microneedles (DMNs), a transdermal drug delivery system, have been developed to treat various diseases in a minimally invasive, painless manner. However, the currently available DMNs are based on burst release systems due to their hydrophilic backbone polymer. Although hydrophobic biodegradable polymers have been employed on DMNs for sustained release, dissolution in an organic solvent is required for fabrication of such DMNs. (2) Method: To overcome the aforementioned limitation, novel separable polycaprolactone (PCL) DMNs (SPCL-DMNs) were developed to implant a PCL-encapsulated drug into the skin. PCL is highly hydrophobic, degrades over a long time, and has a low melting point. Under thermal melting, PCL encapsulated capsaicin and could be fabricated into a DMN without the risk of toxicity from an organic solvent. (3) Results: Optimized SPCL-DMNs, containing PCL (height 498.3 ± 5.8 µm) encapsulating 86.66 ± 1.13 µg capsaicin with a 10% (w/v) polyvinyl alcohol and 20% (w/v) polyvinylpyrrolidone mixture as a base polymer, were generated. Assessment of the drug release profile revealed that this system could sustainably release capsaicin for 15 days from PCL being implanted in porcine skin. (4) Conclusion: The implantable SPCL-DMN developed here has the potential for future development of toxicity-free, sustained release DMNs.
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Affiliation(s)
- Jaehong Eum
- Department of Biotechnology, Yonsei University, Seoul 03722, Korea; (J.E.); (Y.K.); (D.J.U.); (J.S.)
| | - Youseong Kim
- Department of Biotechnology, Yonsei University, Seoul 03722, Korea; (J.E.); (Y.K.); (D.J.U.); (J.S.)
| | - Daniel Junmin Um
- Department of Biotechnology, Yonsei University, Seoul 03722, Korea; (J.E.); (Y.K.); (D.J.U.); (J.S.)
| | - Jiwoo Shin
- Department of Biotechnology, Yonsei University, Seoul 03722, Korea; (J.E.); (Y.K.); (D.J.U.); (J.S.)
| | | | - Hyungil Jung
- Department of Biotechnology, Yonsei University, Seoul 03722, Korea; (J.E.); (Y.K.); (D.J.U.); (J.S.)
- JUVIC Inc., Seoul 08389, Korea;
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Li D, Hu D, Xu H, Patra HK, Liu X, Zhou Z, Tang J, Slater N, Shen Y. Progress and perspective of microneedle system for anti-cancer drug delivery. Biomaterials 2020; 264:120410. [PMID: 32979655 DOI: 10.1016/j.biomaterials.2020.120410] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023]
Abstract
Transdermal drug delivery exhibited encouraging prospects, especially through superficial drug administration routes. However, only a few limited lipophilic drug molecules could cross the skin barrier, those are with low molecular weight and rational Log P value. Microneedles (MNs) can overcome these limitations to deliver numerous drugs into the dermal layer by piercing the outermost skin layer of the body. In the case of superficial cancer treatments, topical drug administration faces severely low transfer efficiency, and systemic treatments are always associated with side effects and premature drug degradation. MN-based systems have achieved excellent technical capabilities and been tested for pre-clinical chemotherapy, photothermal therapy, photodynamic therapy, and immunotherapy. In this review, we will focus on the features, progress, and opportunities of MNs in the anticancer drug delivery system. Then, we will discuss the strategies and advantages in these works and summarize challenges, perspectives, and translational potential for future applications.
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Affiliation(s)
- Dongdong Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Doudou Hu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hongxia Xu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hirak K Patra
- Wolfson College, University of Cambridge, Cambridge, CB3 9BB, United Kingdom; Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Xiangrui Liu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhuxian Zhou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jianbin Tang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Nigel Slater
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Youqing Shen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
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18
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Zhu DD, Zhang XP, Zhang BL, Hao YY, Guo XD. Safety Assessment of Microneedle Technology for Transdermal Drug Delivery: A Review. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000033] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dan Dan Zhu
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Xiao Peng Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Bao Li Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Yu Ying Hao
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
| | - Xin Dong Guo
- Beijing Laboratory of Biomedical Materials, College of Materials Science and EngineeringBeijing University of Chemical Technology Beijing 100029 P. R. China
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He X, Sun J, Zhuang J, Xu H, Liu Y, Wu D. Microneedle System for Transdermal Drug and Vaccine Delivery: Devices, Safety, and Prospects. Dose Response 2019; 17:1559325819878585. [PMID: 31662709 PMCID: PMC6794664 DOI: 10.1177/1559325819878585] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 08/30/2019] [Accepted: 09/04/2019] [Indexed: 12/18/2022] Open
Abstract
Microneedle (MN) delivery system has been greatly developed to deliver drugs into the skin painlessly, noninvasively, and safety. In the past several decades, various types of MNs have been developed by the newer producing techniques. Briefly, as for the morphologically, MNs can be classified into solid, coated, dissolved, and hollow MN, based on the transdermal drug delivery methods of "poke and patch," "coat and poke," "poke and release," and "poke and flow," respectively. Microneedles also have other characteristics based on the materials and structures. In addition, various manufacturing techniques have been well-developed based on the materials. In this review, the materials, structures, morphologies, and fabricating methods of MNs are summarized. A separate part of the review is used to illustrate the application of MNs to deliver vaccine, insulin, lidocaine, aspirin, and other drugs. Finally, the review ends up with a perspective on the challenges in research and development of MNs, envisioning the future development of MNs as the next generation of drug delivery system.
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Affiliation(s)
- Xiaoxiang He
- College of Mechanical and Electrical Engineering, Beijing University
of Chemical Technology, Beijing, China
| | - Jingyao Sun
- College of Mechanical and Electrical Engineering, Beijing University
of Chemical Technology, Beijing, China
| | - Jian Zhuang
- College of Mechanical and Electrical Engineering, Beijing University
of Chemical Technology, Beijing, China
| | - Hong Xu
- College of Mechanical and Electrical Engineering, Beijing University
of Chemical Technology, Beijing, China
| | - Ying Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing
University of Chemical Technology, Beijing, China
| | - Daming Wu
- College of Mechanical and Electrical Engineering, Beijing University
of Chemical Technology, Beijing, China
- State Key Laboratory of Organic-Inorganic Composites, Beijing
University of Chemical Technology, Beijing, China
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20
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A compendium of current developments on polysaccharide and protein-based microneedles. Int J Biol Macromol 2019; 136:704-728. [PMID: 31028807 DOI: 10.1016/j.ijbiomac.2019.04.163] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/21/2019] [Accepted: 04/22/2019] [Indexed: 01/14/2023]
Abstract
Microneedles (MNs), i.e. minimally invasive three-dimensional microstructures that penetrate the stratum corneum inducing relatively little or no pain, have been studied as appealing therapeutic vehicles for transdermal drug delivery. Over the last years, the fabrication of MNs using biopolymers, such as polysaccharides and proteins, has sparked the imagination of scientists due to their recognized biocompatibility, biodegradability, ease of fabrication and sustainable character. Owing to their wide range of functional groups, polysaccharides and proteins enable the design and preparation of materials with tunable properties and functionalities. Therefore, these biopolymer-based MNs take a revolutionary step offering great potential not only in drug administration, but also in sensing and response to physiological stimuli. In this review, a critical and comprehensive overview of the polysaccharides and proteins employed in the design and engineering of MNs will be given. The strategies adopted for their preparation, their advantages and disadvantages will be also detailed. In addition, the potential and challenges of using these matrices to deliver drugs, vaccines and other molecules will be discussed. Finally, this appraisal ends with a perspective on the possibilities and challenges in research and development of polysaccharide and protein MNs, envisioning the future advances and clinical translation of these platforms as the next generation of drug delivery systems.
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21
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Cheng HN, Ford CV, He Z. Evaluation of polyblends of cottonseed protein and polycaprolactone plasticized by cottonseed oil. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2019. [DOI: 10.1080/1023666x.2019.1598641] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- H. N. Cheng
- USDA Agricultural Research Service, Southern Regional Research Center, New Orleans, LA, USA
| | - Catrina V. Ford
- USDA Agricultural Research Service, Southern Regional Research Center, New Orleans, LA, USA
| | - Zhongqi He
- USDA Agricultural Research Service, Southern Regional Research Center, New Orleans, LA, USA
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22
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Polycaprolactone/nimesulide patches obtained by a one-step supercritical foaming + impregnation process. J Supercrit Fluids 2019. [DOI: 10.1016/j.supflu.2019.01.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Zhang Y, Chai D, Gao M, Xu B, Jiang G. Thermal ablation of separable microneedles for transdermal delivery of metformin on diabetic rats. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2018.1517347] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Yang Zhang
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou, China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou, China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou, China
| | - Dongning Chai
- Xiamen Lin Qiaozhi Women’s and Children’s Hospital, Medical College, Xiamen University, Xiamen, Fujian, China
| | - Mengyue Gao
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou, China
| | - Bin Xu
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou, China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou, China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou, China
| | - Guohua Jiang
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou, China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou, China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou, China
- Institute of Smart Fiber Materials, Zhejiang Sci-Tech University, Hangzhou, China
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24
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Nguyen Tri P, Prud’homme RE. Crystallization and Segregation Behavior at the Submicrometer Scale of PCL/PEG Blends. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01503] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Phuong Nguyen Tri
- Department of Chemistry, University of Montreal, 5155 chemin de la rampe, Montréal, QC H3T 1J4, Canada
| | - Robert E. Prud’homme
- Department of Chemistry, University of Montreal, 5155 chemin de la rampe, Montréal, QC H3T 1J4, Canada
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25
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Liu D, Yu B, Jiang G, Yu W, Zhang Y, Xu B. Fabrication of composite microneedles integrated with insulin-loaded CaCO3 microparticles and PVP for transdermal delivery in diabetic rats. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:180-188. [DOI: 10.1016/j.msec.2018.04.055] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 04/01/2018] [Accepted: 04/17/2018] [Indexed: 11/27/2022]
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26
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Silva RDN, Oliveira TAD, Conceição IDD, Araque LM, Alves TS, Barbosa R. Evaluation of hydrolytic degradation of bionanocomposites through fourier transform infrared spectroscopy. POLIMEROS 2018. [DOI: 10.1590/0104-1428.09217] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | | | | | | | | | - Renata Barbosa
- Universidade Federal do Piauí, Brasil; Universidade Federal do Piauí, Brasil
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27
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Santos LF, Correia IJ, Silva AS, Mano JF. Biomaterials for drug delivery patches. Eur J Pharm Sci 2018; 118:49-66. [PMID: 29572160 DOI: 10.1016/j.ejps.2018.03.020] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 03/12/2018] [Accepted: 03/19/2018] [Indexed: 01/22/2023]
Abstract
The limited efficiency of conventional drugs has been instigated the development of new and more effective drug delivery systems (DDS). Transdermal DDS, are associated with numerous advantages such its painless application and less frequent replacement and greater flexibility of dosing, features that triggered the research and development of such devices. Such systems have been produced using either biopolymer; or synthetic polymers. Although the first ones are safer, biocompatible and present a controlled degradation by human enzymes or water, the second ones are the most currently available in the market due to their greater mechanical resistance and flexibility, and non-degradation over time. This review highlights the most recent advances (mainly in the last five years) of patches aimed for transdermal drug delivery, focusing on the different materials (natural, synthetic and blends) and latest designs for the development of such devices, emphasizing also their combination with drug carriers that enable enhanced drug solubility and a more controlled release of the drug over the time. The benefits and limitations of different patches formulations are considered with reference to their appliance to transdermal drug delivery. Furthermore, a record of the currently available patches on the market is given, featuring their most relevant characteristics. Finally, a list of most recent/ongoing clinical trials regarding the use of patches for skin disorders is detailed and critical insights on the current state of patches for transdermal drug delivery are also provided.
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Affiliation(s)
- Lúcia F Santos
- Department of Chemistry, CICECO, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Ilídio J Correia
- CICS UBI, Centro de Investigação em Ciências da Saúde, Faculdade de Ciências da Saúde, Universidade da Beira Interior, Av. Infante D Henrique, 6200-506 Covilhã, Portugal.
| | - A Sofia Silva
- Department of Chemistry, CICECO, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - João F Mano
- Department of Chemistry, CICECO, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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28
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Narenkumar J, Parthipan P, Usha Raja Nanthini A, Benelli G, Murugan K, Rajasekar A. Ginger extract as green biocide to control microbial corrosion of mild steel. 3 Biotech 2017; 7:133. [PMID: 28593517 DOI: 10.1007/s13205-017-0783-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Accepted: 02/14/2017] [Indexed: 12/31/2022] Open
Abstract
In latest years, various techniques and chemicals have been used for the control of microbial influenced corrosion (MIC) of metals. The application of botanical-based biocides is one of the effective and practical techniques in the fight against MIC. In the present study, the role of aqueous extract of ginger (Zingiber officinale) (GIE) as green biocide to control MIC of mild steel 1010 (MS) in a cooling water system was investigated. Biocorrosion behavior of Bacillus thuringiensis EN2 on MS and its control by GIE was analyzed by electrochemical measurements. Polarization, electrochemical studies (ES), weight loss measurements (WL), and surface analysis (XRD, X-ray diffraction spectroscopy, and FTIR, Fourier transform infra-red spectroscopy) were performed under various incubation periods up to 4 weeks. We observed that EN2 forms a thick biofilm on the MS metal surface at the end of the incubation period and the WL significantly increased to 993 mg at fourth week when compared to the initial immersion period (194 ± 2 mg). In contrast, with addition of GIE, WL was reduced about 41 ± 2 mg over biotic system (993 ± 2 mg). GC-MS analysis confirmed the adsorption of active component of GIE (β-turmerone) on the metal surface as a protective layer to prevent the biofilm formation and thus leads to reduction of corrosion. The optimum 20 ppm of GIE was found to be effective corrosion inhibition efficiency which was about 80%. From the results of WL, ES, XRD, FTIR, and GC-MS, GIE was identified as biocide and thus inhibits the bacterial growth on MS metal surface and it leads to control MIC. XRD showed that the GIE with EN2 resulted in less formation of corrosion products over biotic and abiotic systems. Overall, this research first shed light on the antibacterial activity of GIE inhibiting biofilm formation, thus reducing the corrosion of MS in cooling water systems.
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Yu W, Jiang G, Zhang Y, Liu D, Xu B, Zhou J. Near-infrared light triggered and separable microneedles for transdermal delivery of metformin in diabetic rats. J Mater Chem B 2017; 5:9507-9513. [DOI: 10.1039/c7tb02236k] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
We successfully developed a microneedle system integrated with a near-infrared light trigger and thermal ablation microneedles for transdermal delivery of metformin on diabetic rats.
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Affiliation(s)
- Weijiang Yu
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
| | - Guohua Jiang
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
| | - Yang Zhang
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
| | - Depeng Liu
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
| | - Bin Xu
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
| | - Junyi Zhou
- Department of Polymer Materials
- Zhejiang Sci Tech University
- Hangzhou 310018
- China
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang)
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Yu W, Jiang G, Liu D, Li L, Chen H, Liu Y, Huang Q, Tong Z, Yao J, Kong X. Fabrication of biodegradable composite microneedles based on calcium sulfate and gelatin for transdermal delivery of insulin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 71:725-734. [PMID: 27987766 DOI: 10.1016/j.msec.2016.10.063] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/12/2016] [Accepted: 10/24/2016] [Indexed: 01/18/2023]
Abstract
To reduce the inconvenience and pain of subcutaneous needle injection, the calcium sulfate and gelatin biodegradable composite microneedle patches with high aspect-ratio microneedles (MNs) and a flexible substrate have been developed. The microneedles with an aspect-ratio approximate 6:1 exhibit excellent mechanical property which can achieve 0.4N for each needle. The cross-section views show the inside of microneedles that have abundant pores and channels which offer potential for different drug-release profiles. The preparation procedures, degradable property for the biodegradable composite microneedle patches are described in the paper. Insulin, the drug to control blood glucose levels in diabetic patients, has been embedded into the biodegradable composite MNs. The hypoglycemic effect for transdermal delivery of insulin is studied using diabetic Sprague-Dawley (SD) rats as models in vivo. After transdermal administration to the diabetic rats, the released insulin from biodegradable composite MNs exhibit an obvious and effective hypoglycemic effect for longer time compared with that of subcutaneous injection route. This work suggests that biodegradable composite MNs containing of insulin have a potential application in diabetes treatment via transdermal ingestion.
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Affiliation(s)
- Weijiang Yu
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Guohua Jiang
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China; National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou 310018, China; Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, China.
| | - Depeng Liu
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Lei Li
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Hua Chen
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Yongkun Liu
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Qin Huang
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China
| | - Zaizai Tong
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China; National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou 310018, China; Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, China
| | - Juming Yao
- Department of Materials Engineering, Zhejiang Sci Tech University, Hangzhou 310018, China; National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), Hangzhou 310018, China; Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, China
| | - Xiangdong Kong
- College of Life Science, Zhejiang Sci Tech University, Hangzhou 310018, China
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