1
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He M, Jin L, Wang F, Wang X, You Y, He H. Simple, ultrasensitive detection of superoxide anion radical mutations in melanoma mice with SERS microneedles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124292. [PMID: 38669980 DOI: 10.1016/j.saa.2024.124292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
Elevated levels of superoxide anion radicals (O2·-) have been implicated in the pathogenesis of a variety of diseases, such as cancer, inflammatory diseases and autoimmune diseases. To determine the O2·- concentration for assisting disease detection, a method based on surface-enhanced Raman scattering (SERS) combined with transparent polymer microneedles has been developed. Photocrosslinked NOA61 is used to prepare microneedles with sulfhydryl group, which can contribute to anchor gold nanoparticles (Au NPs) functionalized by p-mercaptobenzoic acid (PATP). This work successfully constructed SERS microneedles for in situ detection. A REDOX reaction occurred between PATP and O2·-, resulting in the formation of dimethylaminoborane (DMAB) and a subsequent change in Raman signal. Based on the quantitative relationship between the change of peak area ratio at 1042 cm-1 and 1077 cm-1 and the concentration change of O2·-, a standard curve with a linear range of 0-480 ng/mL was constructed. The SERS microneedles were effectively employed to track melanoma progression in mice, establishing a fundamental correlation between O2·- concentration and melanoma stage, as confirmed by ELISA. The benefits of this approach, including convenience, in situ applicability, and low cost, are anticipated to offer novel insights for non-invasive in situ detection, potentially enhancing disease monitoring and diagnosis.
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Affiliation(s)
- Miao He
- Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Lili Jin
- Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Feng Wang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, Shanghai 200234, China
| | - Xin Wang
- Department of Traditional Chinese Medicine, The Second Military Medical University, Shanghai 200433, China
| | - Yanli You
- Department of Traditional Chinese Medicine, The Second Military Medical University, Shanghai 200433, China
| | - Hongyan He
- Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China.
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2
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Pereira R, Vinayakumar KB, Sillankorva S. Polymeric Microneedles for Health Care Monitoring: An Emerging Trend. ACS Sens 2024; 9:2294-2309. [PMID: 38654679 PMCID: PMC11129353 DOI: 10.1021/acssensors.4c00612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Bioanalyte collection by blood draw is a painful process, prone to needle phobia and injuries. Microneedles can be engineered to penetrate the epidermal skin barrier and collect analytes from the interstitial fluid, arising as a safe, painless, and effective alternative to hypodermic needles. Although there are plenty of reviews on the various types of microneedles and their use as drug delivery systems, there is a lack of systematization on the application of polymeric microneedles for diagnosis. In this review, we focus on the current state of the art of this field, while providing information on safety, preclinical and clinical trials, and market distribution, to outline what we believe will be the future of health monitoring.
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Affiliation(s)
- Raquel
L. Pereira
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
| | - K. B. Vinayakumar
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
| | - Sanna Sillankorva
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
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3
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Zhao J, He P, Jiang M, He C, Zhao Y, Zhang Z, Zhang Z, Du G, Sun X. Transdermally delivered tolerogenic nanoparticles induced effective immune tolerance for asthma treatment. J Control Release 2024; 366:637-649. [PMID: 38215983 DOI: 10.1016/j.jconrel.2024.01.018] [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: 07/13/2023] [Revised: 12/19/2023] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
Induction of antigen-specific immune tolerance for the treatment of allergic or autoimmune diseases is an attractive strategy. Herein, we investigated the protective effect of a transdermal microneedle patch against allergic asthma by stimulating allergen-specific immune tolerance. We fabricated biodegradable tolerogenic nanoparticles (tNPs) that are loaded with a model allergen ovalbumin (OVA) and an immunomodulator rapamycin, and filled the tNPs into microneedle tips by centrifugation to form sustained-release microneedles. After intradermal immunization, the microneedles successfully delivered the cargos into the skin and sustainedly released them for over 96 h. Importantly, the microneedles induced allergen-specific regulatory T cells (Treg), decreased the levels of pro-inflammatory cytokines and antibodies while increased anti-inflammation cytokines, finally leading to restored immune homeostasis. The lung tissue analysis illustrated that the sustained-release microneedles significantly reduced the infiltration of eosinophils, decreased the accumulation of mucus and collagen, and significantly relived asthma symptoms. Our results suggested that the sustained-release microneedle-based transdermal delivery system can induce antigen-specific immune tolerance with improved compliance and efficacy, providing a new therapeutic strategy for the treatment of allergic and autoimmune diseases.
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Affiliation(s)
- Jiaxuan Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Penghui He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Min Jiang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Chunting He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Yuanhao Zhao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China
| | - Zhihua Zhang
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; Changzhou Institute of Advanced Manufacturing Technology, Changzhou 213164, China
| | - Zhibing Zhang
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Guangsheng Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
| | - Xun Sun
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, China.
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4
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Smith E, Lau WM, Abdelghany TM, Vukajlovic D, Novakovic K, Ng KW. Vac-and-fill: A micromoulding technique for fabricating microneedle arrays with vacuum-activated, hands-free mould-filling. Int J Pharm 2024; 650:123706. [PMID: 38103704 DOI: 10.1016/j.ijpharm.2023.123706] [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: 08/25/2023] [Revised: 11/21/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
We report a simple and reproducible micromoulding technique that dynamically fills microneedle moulds with a liquid formulation, using a plastic syringe, triggered by the application of vacuum ('vac-and-fill'). As pressure around the syringe drops, air inside the syringe pushes the plunger to uncover an opening in the syringe and fill the microneedle mould without manual intervention, therefore removing inter-operator variability. The technique was validated by monitoring the plunger movement and pressure at which the mould would be filled over 10 vacuum cycles for various liquid formulation of varying viscosity (water, glycerol, 20 % polyvinylpyrrolidone (PVP) solution or 40 % PVP solution). Additionally, the impact of re-using the disposable syringes on plunger movement, and thus the fill pressure, was investigated using a 20 % PVP solution. The fill pressure was consistent at 300-450 mbar. It produced well-formed and mechanically robust PVP, poly(methylvinylether/maleic anhydride) and hydroxyethylcellulose microneedles from liquid formulations. This simple and inexpensive technique of micromoulding eliminated the air entrapment and bubble formation, which prevent reproducible microneedle formation, in the resultant microneedle arrays. It provides a cost-effective alternative to the conventional micromoulding techniques, where the application of vacuum ('fill-and-vac') or centrifugation following mould-filling may be unsuitable, ineffective or have poor reproducibility.
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Affiliation(s)
- Emma Smith
- School of Pharmacy, Newcastle University, King George VI Building, Newcastle upon Tyne NE1 7RU, United Kingdom; Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Wing Man Lau
- School of Pharmacy, Newcastle University, King George VI Building, Newcastle upon Tyne NE1 7RU, United Kingdom; Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Tarek M Abdelghany
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt; Institute of Education in Healthcare and Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresthill, Aberdeen AB25 2ZD, United Kingdom; School of Biomedical, Nutritional and Sport Sciences, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE24HH, United Kingdom
| | - Djurdja Vukajlovic
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Katarina Novakovic
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Keng Wooi Ng
- School of Pharmacy, Newcastle University, King George VI Building, Newcastle upon Tyne NE1 7RU, United Kingdom; Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom.
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5
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Fratus M, Alam MA. Performance gain and electro-mechanical design optimization of microneedles for wearable sensor systems. Biomed Microdevices 2023; 26:4. [PMID: 38095755 DOI: 10.1007/s10544-023-00683-x] [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] [Accepted: 11/15/2023] [Indexed: 12/18/2023]
Abstract
Minimally invasive microneedle (MN) is an emerging technology platform for wearable and implantable diagnostics and therapeutics systems. These short MNs offer pain-free insertion and simple operation. Among the MN technologies proposed to enhance interstitial fluid (ISF) extraction, porous and swellable (P-S) hydrogels absorb analyte molecules across the entire lateral surface. Currently, the design, development, and optimization of the MNs rely on empirical, iterative approaches. Based on theory of fluid flow and analyte diffusion through geometrically complex biomimetic systems, here we derive a generalized physics-guided model for P-S MN sensors. The framework (a) quantifies MN extracting efficiency [Formula: see text] in terms of its geometric and physical properties, and (b) suggests strategies to optimize sensor response while satisfying the mechanical constraints related to various skin-types (e.g., mouse, pig, humans, etc.). Our results show that, despite the differences in geometry and composition, P-S MNs obey a universal scaling response, [Formula: see text] with [Formula: see text] being MN length, diffusivity, and radius, respectively, and [Formula: see text], [Formula: see text] and [Formula: see text] are the ratio between approximate vs. exact analytical solutions, the effective biofluid transfer coefficient between dermis and skin, and the exponent for the power-law approximation, respectively. These parameters quantify the biomolecule transfer through the dermis-to-MN interface at different scaling limits. P-S MNs outperform hollow MNs by a 2-6x enhancement factor; however, the buckling-limit of insertion defines the maximized functionality of the sensor. Our model, validated against experimental results and numerical simulations, offers a predictive design framework to significantly reduce the optimization time for P-S MN-based sensor platforms.
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Affiliation(s)
- Marco Fratus
- Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, 47906, Indiana, USA.
| | - Muhammad Ashraful Alam
- Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, 47906, Indiana, USA
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6
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Kim J, Moon JW, Kim GR, Kim W, Hu HJ, Jo WJ, Baek SK, Sung GH, Park JH, Park JH. Safety tests and clinical research on buccal and nasal microneedle swabs for genomic analysis. Front Bioeng Biotechnol 2023; 11:1296832. [PMID: 38116201 PMCID: PMC10729317 DOI: 10.3389/fbioe.2023.1296832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/17/2023] [Indexed: 12/21/2023] Open
Abstract
Conventional swabs have been used as a non-invasive method to obtain samples for DNA analysis from the buccal and the nasal mucosa. However, swabs may not always collect pure enough genetic material. In this study, buccal and nasal microneedle swab is developed to improve the accuracy and reliability of genomic analysis. A cytotoxicity test, a skin sensitivity test, and a skin irritation test are conducted with microneedle swabs. Polymer microneedle swabs meet the safety requirements for clinical research and commercial use. When buccal and nasal microneedle swabs are used, the amount of genetic material obtained is greater than that from commercially available swabs, and DNA purity is also high. The comparatively short microneedle swab (250 μm long) cause almost no pain to all 25 participants. All participants also report that the microneedle swabs are very easy to use. When genotypes are compared at five SNP loci from blood of a participant and from that person's buccal or nasal microneedle swab, the buccal and nasal microneedle swabs show 100% concordance for all five SNP genotypes. Microneedle swabs can be effectively used for genomic analysis and prevention through genomic analysis, so the utilization of microneedle swabs is expected to be high.
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Affiliation(s)
- JeongHyeon Kim
- Department of Bionano Technology and Gachon BioNano Research Institute, Gachon University, Seongnam, Republic of Korea
| | | | | | - Wonsub Kim
- Endomics Inc, Seongnam, Republic of Korea
| | - Hae-Jin Hu
- Endomics Inc, Seongnam, Republic of Korea
| | - Won-Jun Jo
- QuadMedicine R&D Centre, QuadMedicine Co. Ltd., Seongnam, Republic of Korea
| | - Seung-Ki Baek
- QuadMedicine R&D Centre, QuadMedicine Co. Ltd., Seongnam, Republic of Korea
| | - Gil-Hwan Sung
- QuadMedicine R&D Centre, QuadMedicine Co. Ltd., Seongnam, Republic of Korea
| | - Jung Ho Park
- Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jung-Hwan Park
- Department of Bionano Technology and Gachon BioNano Research Institute, Gachon University, Seongnam, Republic of Korea
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7
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Sun B, Paraskevopoulos G, Min J, Rossdeutcher R, Ghosh S, Quinn B, Lin M, Sarkar D, Sukumaran D, Wang Y, Vávrová K, Lovell JF, Zhang Y. Topical Drug Delivery of Concentrated Cabazitaxel in an α-Tocopherol and DMSO Solution. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302658. [PMID: 37555802 PMCID: PMC10582425 DOI: 10.1002/advs.202302658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/03/2023] [Indexed: 08/10/2023]
Abstract
Topical chemotherapy approaches are relevant for certain skin cancer treatments. This study observes that cabazitaxel (CTX), a broad-spectrum second-generation taxane cytotoxic agent, can be dissolved in α-tocopherol at high concentrations exceeding 100 mg mL-1 . 2D nuclear magnetic resonance (NMR) analysis and molecular dynamics (MD) are used to study this phenomenon. The addition of 30% dimethyl sulfoxide (DMSO) to the α-tocopherol/CTX solution improves its working viscosity and enhances CTX permeation through human skin in vitro (over 5 µg cm-2 within 24 h), while no detectable drug permeates when CTX is dissolved in α-tocopherol alone. In a transepidermal water loss assay, the barrier impairment induced by CTX in 30% DMSO in α-tocopherol, but not in pure DMSO, is reversible 8 h after the formulation removal from the skin surface. Antitumor efficacy of the topical CTX formulation is evaluated in nude mice bearing A431 human squamous carcinoma skin cancer xenografts. With topical application of concentrated CTX solutions (75 mg mL-1 ), tumor growth is significantly suppressed compared to lower concentration groups (0, 25, or 50 mg mL-1 CTX). Taken together, these findings show that topical delivery of CTX using a DMSO and α-tocopherol solvent warrants further study as a treatment for skin malignancies.
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Affiliation(s)
- Boyang Sun
- School of Chemical Engineering and TechnologyKey Laboratory of Systems Bioengineering (Ministry of Education)Frontiers Science Center for Synthetic Biology (Ministry of Education)State Key Laboratory of Chemical EngineeringTianjin UniversityTianjin300350P. R. China
| | - Georgios Paraskevopoulos
- Skin Barrier Research GroupFaculty of PharmacyCharles UniversityAkademika Heyrovského 1203Hradec Králové50005Czech Republic
| | - Jiwei Min
- School of Chemical Engineering and TechnologyKey Laboratory of Systems Bioengineering (Ministry of Education)Frontiers Science Center for Synthetic Biology (Ministry of Education)State Key Laboratory of Chemical EngineeringTianjin UniversityTianjin300350P. R. China
| | - Robert Rossdeutcher
- Department of ChemistryState University of New York at BuffaloBuffaloNY14260USA
| | - Sanjana Ghosh
- Department of Biomedical EngineeringState University of New York at BuffaloBuffaloNY14260USA
| | - Breandan Quinn
- Department of Biomedical EngineeringState University of New York at BuffaloBuffaloNY14260USA
| | - Meng‐Hsuan Lin
- Department of Biomedical EngineeringState University of New York at BuffaloBuffaloNY14260USA
| | - Debanjan Sarkar
- Department of Biomedical EngineeringState University of New York at BuffaloBuffaloNY14260USA
| | - Dinesh Sukumaran
- Department of ChemistryState University of New York at BuffaloBuffaloNY14260USA
| | - Yuefei Wang
- School of Chemical Engineering and TechnologyKey Laboratory of Systems Bioengineering (Ministry of Education)Frontiers Science Center for Synthetic Biology (Ministry of Education)State Key Laboratory of Chemical EngineeringTianjin UniversityTianjin300350P. R. China
| | - Kateřina Vávrová
- Skin Barrier Research GroupFaculty of PharmacyCharles UniversityAkademika Heyrovského 1203Hradec Králové50005Czech Republic
| | - Jonathan F. Lovell
- Department of Biomedical EngineeringState University of New York at BuffaloBuffaloNY14260USA
| | - Yumiao Zhang
- School of Chemical Engineering and TechnologyKey Laboratory of Systems Bioengineering (Ministry of Education)Frontiers Science Center for Synthetic Biology (Ministry of Education)State Key Laboratory of Chemical EngineeringTianjin UniversityTianjin300350P. R. China
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8
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Dul M, Alali M, Ameri M, Burke MD, Craig CM, Creelman BP, Dick L, Donnelly RF, Eakins MN, Frivold C, Forster AH, Gilbert PA, Henke S, Henry S, Hunt D, Lewis H, Maibach HI, Mistilis JJ, Park JH, Prausnitz MR, Robinson DK, Hernandez CAR, Ross C, Shin J, Speaker TJ, Taylor KM, Zehrung D, Birchall JC, Jarrahian C, Coulman SA. Assessing the risk of a clinically significant infection from a Microneedle Array Patch (MAP) product. J Control Release 2023; 361:236-245. [PMID: 37437849 DOI: 10.1016/j.jconrel.2023.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/28/2023] [Accepted: 07/01/2023] [Indexed: 07/14/2023]
Abstract
Microneedle Array Patches (MAPs) are an emerging dosage form that creates transient micron-sized disruptions in the outermost physical skin barrier, the stratum corneum, to facilitate delivery of active pharmaceutical ingredients to the underlying tissue. Numerous MAP products are proposed and there is significant clinical potential in priority areas such as vaccination. However, since their inception scientists have hypothesized about the risk of a clinically significant MAP-induced infection. Safety data from two major Phase 3 clinical trials involving hundreds of participants, who in total received tens of thousands of MAP applications, does not identify any clinically significant infections. However, the incumbent data set is not extensive enough to make definitive generalizable conclusions. A comprehensive assessment of the infection risk is therefore advised for MAP products, and this should be informed by clinical and pre-clinical data, theoretical analysis and informed opinions. In this article, a group of key stakeholders identify some of the key product- and patient-specific factors that may contribute to the risk of infection from a MAP product and provide expert opinions in the context of guidance from regulatory authorities. Considerations that are particularly pertinent to the MAP dosage form include the specifications of the finished product (e.g. microbial specification), it's design features, the setting for administration, the skill of the administrator, the anatomical application site, the target population and the clinical context. These factors, and others discussed in this article, provide a platform for the development of MAP risk assessments and a stimulus for early and open dialogue between developers, regulatory authorities and other key stakeholders, to expedite and promote development of safe and effective MAP products.
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Affiliation(s)
- Maria Dul
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Howard I Maibach
- Department of Dermatology, University of California San Francisco, San Francisco, CA, USA
| | | | - Jung-Hwan Park
- Department of Bionano Technology, Gachon University, Seongnam, Republic of Korea
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | | | | | | | | | | | - Kevin Michael Taylor
- University College London School of Pharmacy, British Pharmacopoeia Commission, UK
| | | | - James C Birchall
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
| | | | - Sion A Coulman
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK.
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9
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Nesovic LD, Roach CJ, Joshi G, Gill HS. Delivery of gold nanoparticle-conjugated M2e influenza vaccine in mice using coated microneedles. Biomater Sci 2023; 11:5859-5871. [PMID: 37455612 DOI: 10.1039/d3bm00305a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
As a prospective influenza vaccination platform, a microneedle patch offers advantages such as self-administration and reduction of needle-phobia-associated vaccination avoidance. In an effort to design a broadly protective influenza vaccine we have previously developed a vaccine formulation containing the highly conserved ectodomain sequence of the M2 influenza protein (M2e) attached to the surface of gold nanoparticles (AuNPs) with CpG as a soluble adjuvant (AuNP-M2e + sCpG). Our previous studies have used the intranasal route for vaccination and demonstrated broad protection from this vaccine. Here we asked the question whether the same formulation can be effective when administered to mice using microneedles. We demonstrate that the microneedles can be coated with AuNP-M2e + sCpG formulation, and the AuNPs from the coating can be readily resuspended without aggregation. The AuNPs were delivered with high efficiency into murine skin, and the AuNPs cleared the skin within 12 h of microneedle treatment. After vaccination, strong M2e-specific humoral and cellular responses were stimulated, and the vaccinated mice were 100% protected following a lethal challenge with influenza A/PR/8/34 (H1N1).
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Affiliation(s)
- Lazar D Nesovic
- Department of Chemical Engineering Texas Tech University, 8th and Canton, Lubbock, Texas 79409, USA.
| | - Carsen J Roach
- Department of Chemical Engineering Texas Tech University, 8th and Canton, Lubbock, Texas 79409, USA.
| | - Gaurav Joshi
- Department of Chemical Engineering Texas Tech University, 8th and Canton, Lubbock, Texas 79409, USA.
| | - Harvinder Singh Gill
- Department of Chemical Engineering Texas Tech University, 8th and Canton, Lubbock, Texas 79409, USA.
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10
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Zhao W, Zheng L, Yang J, Li Y, Zhang Y, Ma T, Wang Q. Dissolving microneedle patches-mediated percutaneous delivery of tetramethylpyrazine for rheumatoid arthritis treatment. Eur J Pharm Sci 2023; 184:106409. [PMID: 36871810 DOI: 10.1016/j.ejps.2023.106409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/28/2023] [Accepted: 02/20/2023] [Indexed: 03/07/2023]
Abstract
Recently, transdermal treatment of rheumatoid arthritis (RA) has received increasing attention due to the advantages of improving patient compliance and avoiding gastrointestinal side effects. However, the stratum corneum (SC) barrier limits the transdermal delivery of most substances. Therefore, we constructed tetramethylpyrazine-loaded dissolving microneedle patches (TMP-DMNPs) and investigated its anti-rheumatoid arthritis effect. The cone-shaped dissolving microneedle patch had complete, neatly arranged needles and great mechanical strength. It could effectively penetrate the stratum corneum when applied to the skin. In vitro transdermal experiment showed that DMNPs could significantly promote the transdermal penetration of TMP compared with TMP-cream. The needles were completely dissolved within 18 min and the applied skin recovered completely within 3 h. The excipients and blank DMNP had good safety and biocompatibility to human rheumatoid arthritis fibroblast synovial cells. To compare the therapeutic effects, the animal model was established. The experiments of paw swelling, histopathology and X-ray examination showed that dissolving microneedles significantly alleviated paw condition, reduced the serum concentrations of proinflammatory cytokines, and inhibited synovial tissue damage in AIA rats. These results indicate that the DMNPs we prepared can deliver TMP safely, effectively and conveniently, providing a basis for the percutaneous treatment of RA.
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Affiliation(s)
- Weiman Zhao
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Lijie Zheng
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Jianhui Yang
- School of Pharmacy, Anhui Medical University, Hefei, China
| | - Yingying Li
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Yueyue Zhang
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Tao Ma
- School of Pharmacy, Bengbu Medical College, Bengbu, China; Engineering Research Center for Biochemical Pharmaceuticals of Anhui Province, Bengbu Medical College, Bengbu, China
| | - Qingqing Wang
- School of Pharmacy, Bengbu Medical College, Bengbu, China; Engineering Research Center for Biochemical Pharmaceuticals of Anhui Province, Bengbu Medical College, Bengbu, China.
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11
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Baykara D, Bedir T, Ilhan E, Mutlu ME, Gunduz O, Narayan R, Ustundag CB. Fabrication and optimization of 3D printed gelatin methacryloyl microneedle arrays based on vat photopolymerization. Front Bioeng Biotechnol 2023; 11:1157541. [PMID: 37251572 PMCID: PMC10214010 DOI: 10.3389/fbioe.2023.1157541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/05/2023] [Indexed: 05/31/2023] Open
Abstract
Microneedles (MNs) are micrometer-sized arrays that can penetrate the skin in a minimally invasive manner; these devices offer tremendous potential for the transdermal delivery of therapeutic molecules. Although there are many conventional techniques for manufacturing MNs, most of them are complicated and can only fabricate MNs with specific geometries, which restricts the ability to adjust the performance of the MNs. Herein, we present the fabrication of gelatin methacryloyl (GelMA) MN arrays using the vat photopolymerization 3D printing technique. This technique allows for the fabrication of high-resolution and smooth surface MNs with desired geometries. The existence of methacryloyl groups bonded to the GelMA was verified by 1H NMR and FTIR analysis. To examine the effects of varying needle heights (1000, 750, and 500 µm) and exposure times (30, 50, and 70 s) on GelMA MNs, the height, tip radius, and angle of the needles were measured; their morphological and mechanical properties were also characterized. It was observed that as the exposure time increased, the height of the MNs increased; moreover, sharper tips were obtained and tip angles decreased. In addition, GelMA MNs exhibited good mechanical performance with no breakage up to 0.3 mm displacement. These results indicate that 3D printed GelMA MNs have great potential for transdermal delivery of various therapeutics.
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Affiliation(s)
- Dilruba Baykara
- Center for Nanotechnology and Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Tuba Bedir
- Center for Nanotechnology and Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Metallurgical and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Elif Ilhan
- Center for Nanotechnology and Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Bioengineering, Faculty of Engineering, Marmara University, Istanbul, Turkey
| | - Mehmet Eren Mutlu
- Center for Nanotechnology and Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Metallurgical and Materials Engineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Oguzhan Gunduz
- Center for Nanotechnology and Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Metallurgical and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
- Health Biotechnology Joint Research and Application Center of Excellence, Istanbul, Turkey
| | - Roger Narayan
- Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, United States
| | - Cem Bulent Ustundag
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
- Health Biotechnology Joint Research and Application Center of Excellence, Istanbul, Turkey
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12
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Eş I, Kafadenk A, Gormus MB, Inci F. Xenon Difluoride Dry Etching for the Microfabrication of Solid Microneedles as a Potential Strategy in Transdermal Drug Delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2206510. [PMID: 36929149 DOI: 10.1002/smll.202206510] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/18/2023] [Indexed: 06/18/2023]
Abstract
Although hypodermic needles are a "gold standard" for transdermal drug delivery (TDD), microneedle (MN)-mediated TDD denotes an unconventional approach in which drug compounds are delivered via micron-size needles. Herein, an isotropic XeF2 dry etching process is explored to fabricate silicon-based solid MNs. A photolithographic process, including mask writing, UV exposure, and dry etching with XeF2 is employed, and the MN fabrication is successfully customized by modifying the CAD designs, photolithographic process, and etching conditions. This study enables fabrication of a very dense MNs (up to 1452 MNs cm-2 ) with height varying between 80 and 300 µm. Geometrical features are also assessed using scanning electron microscopy (SEM) and 3D laser scanning microscope. Roughness of the MNs are improved from 0.71 to 0.35 µm after titanium and chromium coating. Mechanical failure test is conducted using dynamic mechanical analyzer to determine displacement and stress/strain values. The coated MNs are subjected to less displacement (≈15 µm) upon the applied force. COMSOL Multiphysics analysis indicates that MNs are safe to use in real-life applications with no fracture. This technique also enables the production of MNs with distinct shape and dimensions. The optimized process provides a wide range of solid MN types to be utilized for epidermis targeting.
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Affiliation(s)
- Ismail Eş
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - Abdullah Kafadenk
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - M Burak Gormus
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - Fatih Inci
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
- Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, 06800, Turkey
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13
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Duong HTT, Yin Y, Le TMD, Jeong JH, Lee DS. Highly Prolonged Release of the Cancer Vaccine and Immunomodulator via a Two-Layer Biodegradable Microneedle for Prophylactic Treatment of Metastatic Cancer. Biomacromolecules 2023; 24:1209-1219. [PMID: 36802451 DOI: 10.1021/acs.biomac.2c01270] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
Simultaneous sustained release of cancer vaccines and immunomodulators may effectively trigger durable immune responses and avoid multiple administrations. Here, we established a biodegradable microneedle (bMN) based on a biodegradable copolymer matrix made of polyethylene glycol (PEG) and poly(sulfamethazine ester urethane) (PSMEU). This bMN was applied to the skin and slowly degraded in the epidermis/dermis layers. Then, the complexes composed of a positively charged polymer (DA3), cancer DNA vaccine (pOVA), and toll-like receptor 3 agonist poly(I/C) were synchronously released from the matrix in a pain-free manner. The whole microneedle patch was fabricated with two layers. The basal layer was formed using polyvinyl pyrrolidone/polyvinyl alcohol that could be rapidly dissolved upon applying the microneedle patch to the skin, whereas the microneedle layer was formed by complexes encapsulating biodegradable PEG-PSMEU, which was stuck at the injection site for sustained release of therapeutic agents. According to the results, 10 days is the time for the complexes to be completely released and express specific antigens in antigen-presenting cells in vitro and in vivo. It is noteworthy that this system could successfully elicit cancer-specific humoral immune responses and inhibit metastatic tumors in the lungs after a single shot of immunization.
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Affiliation(s)
- Huu Thuy Trang Duong
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yue Yin
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Thai Minh Duy Le
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji Hoon Jeong
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Doo Sung Lee
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
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14
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Multi-groove microneedles based wearable colorimetric sensor for simple and facile glucose detection. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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15
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O'Mahony C, Sebastian R, Tjulkins F, Whelan D, Bocchino A, Hu Y, O'Brien J, Scully J, Hegarty M, Blake A, Slimi I, Clover AJP, Lyness A, Kelleher AM. Hollow silicon microneedles, fabricated using combined wet and dry etching techniques, for transdermal delivery and diagnostics. Int J Pharm 2023; 637:122888. [PMID: 36977451 DOI: 10.1016/j.ijpharm.2023.122888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/15/2023] [Accepted: 03/22/2023] [Indexed: 03/28/2023]
Abstract
Microneedle-based technologies are the subject of intense research and commercial interest for applications in transdermal delivery and diagnostics, primarily because of their minimally invasive and painless nature, which in turn could lead to increased patient compliance and self-administration. In this paper, a process for the fabrication of arrays of hollow silicon microneedles is described. This method uses just two bulk silicon etches - a front-side wet etch to define the 500 μm tall octagonal needle structure itself, and a rear-side dry etch to create a 50 μm diameter bore through the needle. This reduces the number of etches and process complexity over the approaches described elsewhere. Ex-vivo human skin and a customised applicator were used to demonstrate biomechanical reliability and the feasibility of using these microneedles for both transdermal delivery and diagnostics. Microneedle arrays show no damage even when applied to skin up to 40 times, are capable of delivering several mL of fluid at flowrates of 30 μL/min, and of withdrawing 1 μL of interstitial fluid using capillary action.
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Affiliation(s)
- Conor O'Mahony
- Tyndall National Institute, University College Cork, Cork, Ireland; Insight Centre for Data Analytics, Tyndall National Institute, University College Cork, Cork, Ireland.
| | - Ryan Sebastian
- Tyndall National Institute, University College Cork, Cork, Ireland; Insight Centre for Data Analytics, Tyndall National Institute, University College Cork, Cork, Ireland
| | - Fjodors Tjulkins
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Derek Whelan
- Department of Biomedical, Mechanical and Manufacturing Engineering, Munster Technological University, Cork, Ireland
| | - Andrea Bocchino
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Yuan Hu
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Joe O'Brien
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Jim Scully
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Margaret Hegarty
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Alan Blake
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - Inès Slimi
- Tyndall National Institute, University College Cork, Cork, Ireland
| | - A James P Clover
- Department of Plastic and Reconstructive Surgery, Cork University Hospital, Cork, Ireland
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16
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Iachina I, Eriksson AH, Bertelsen M, Petersson K, Jansson J, Kemp P, Engell KM, Brewer JR, Nielsen KT. Dissolvable microneedles for transdermal drug delivery showing skin pentation and modified drug release. Eur J Pharm Sci 2023; 182:106371. [PMID: 36621615 DOI: 10.1016/j.ejps.2023.106371] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 12/12/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
Topical therapies for chronic skin diseases suffer from a low patient compliance due to the inconvenient treatment regimens of available products. Dissolvable microneedles (MN) with modified release offer an interesting possibility to increase the compliance by acting as a depot in the skin and thereby decreasing the dosing frequency. Furthermore, the bioavailability can be increased significantly by bypassing the barrier of the skin by the direct penetration of the MN into the skin. In this study the depot effect and skin penetration of an innovative dissolvable MN patch was assessed by insertion in ex vivo human skin and in vivo using minipigs. The MN patches are based on biodegradable polymers and the active pharmaceutical ingredients calcipotriol (Calci) and betamethasone-17-21-dipropionate (BDP) used to treat psoriasis. Using computed tomography (CT) and Coherent anti-Stokes Raman scattering (CARS) microscopy it was possible to visualize the skin penetration and follow the morphology of the MN as function of time in the skin. The depot effect was assessed by studying the modified in vitro release in an aqueous buffer and by comparing the drug release of a single application of a patch both ex vivo and in vivo to daily application of a marketed oleogel containing the same active pharmaceutical ingredients. The CT and CARS images showed efficient penetration of the MN patches into the upper dermis and a slow swelling process of the drug containing tip over a period of 8 days. Furthermore, CARS demonstrated that it can be used as a noninvasive technique with potential applicability in clinical settings. The in vitro release studies show a release of 54% over a time period of 30 days. The pharmacological relevance of MNs was confirmed in human skin explants and in vivo after single application and showed a similar response on calcipotriol and BDP mediated signaling events compared to daily application of the active oleogel. Altogether it was demonstrated that the MN can penetrate the skin and have the potential to provide a depot effect.
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Affiliation(s)
- Irina Iachina
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - André H Eriksson
- In Vivo Biology & Biomarkers, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Malene Bertelsen
- In Vivo Biology & Biomarkers, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Karsten Petersson
- Explorative Formulation & Technologies, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Jörgen Jansson
- Explorative Formulation & Technologies, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Pernille Kemp
- Explorative Formulation & Technologies, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Karen M Engell
- Small Molecule Early Pharmaceutical Development, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark
| | - Jonathan R Brewer
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.
| | - Kim T Nielsen
- Advanced Analytical and Structural Chemistry, LEO Pharma A/S, Industriparken 55, Ballerup 2750, Denmark.
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17
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Revolutionizing Therapeutic Delivery with Microneedle Technology for Tumor Treatment. Pharmaceutics 2022; 15:pharmaceutics15010014. [PMID: 36678643 PMCID: PMC9866211 DOI: 10.3390/pharmaceutics15010014] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/11/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
The tumor is an uncontrolled growth of tissue that can be localized (benign) or possesses the capability of metastasis (malignant). The conventional methods of tumor diagnosis, such as acupuncture, endoscopy, and histopathology, and treatment methods, such as injections, chemotherapy, surgery, and radiotherapy, are invasive, expensive, and pose severe safety and management issues for the patients. Microneedle technology is a recently developed approach for active transdermal drug delivery. It is minimally invasive, self-administrable, bypasses the first-pass effect, and effectively delivers chemotherapeutics and drugs at low doses, thus, overcoming the drawbacks of conventional delivery systems. This review provides an idea of the types, materials utilized in the fabrication, and techniques used for the preparation of microneedles (MNs), as well as their application in tumor diagnosis and treatment. Additionally, emphasis is given to the case studies related to MNs-assisted tumor therapy, such as photothermal therapy, gene therapy, photodynamic therapy, chemotherapy, immunotherapy, and various combination therapies. MNs also serve as a tool for diagnosis by the bio-sampling of blood and interstitial skin fluid, as well as biosensing various cancer biomarkers. The combined therapy and diagnostics provide theranostic MNs for enhanced and personalized tumor therapy. The limitations and prospects of MNs development are also discussed.
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18
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Tan JY, Li Y, Chamani F, Tharzeen A, Prakash P, Natarajan B, Sheth RA, Park WM, Kim A, Yoon D, Kim J. Experimental Validation of Diffraction Lithography for Fabrication of Solid Microneedles. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8934. [PMID: 36556744 PMCID: PMC9787912 DOI: 10.3390/ma15248934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/05/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Microneedles are highly sought after for medicinal and cosmetic applications. However, the current manufacturing process for microneedles remains complicated, hindering its applicability to a broader variety of applications. As diffraction lithography has been recently reported as a simple method for fabricating solid microneedles, this paper presents the experimental validation of the use of ultraviolet light diffraction to control the liquid-to-solid transition of photosensitive resin to define the microneedle shape. The shapes of the resultant microneedles were investigated utilizing the primary experimental parameters including the photopattern size, ultraviolet light intensity, and the exposure time. Our fabrication results indicated that the fabricated microneedles became taller and larger in general when the experimental parameters were increased. Additionally, our investigation revealed four unique crosslinked resin morphologies during the first growth of the microneedle: microlens, first harmonic, first bell-tip, and second harmonic shapes. Additionally, by tilting the light exposure direction, a novel inclined microneedle array was fabricated for the first time. The fabricated microneedles were characterized with skin insertion and force-displacement tests. This experimental study enables the shapes and mechanical properties of the microneedles to be predicted in advance for mass production and wide practical use for biomedical or cosmetic applications.
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Affiliation(s)
- Jun Ying Tan
- Department of Electrical Engineering, University of North Texas, Denton, TX 76207, USA
| | - Yuankai Li
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Faraz Chamani
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Aabila Tharzeen
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Punit Prakash
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Balasubramaniam Natarajan
- Department of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Rahul A. Sheth
- Department of Interventional Radiology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Won Min Park
- Tim Taylor Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Albert Kim
- Department of Medical Engineering, The University of South Florida, Tampa, FL 33620, USA
| | - Donghoon Yoon
- College of Medicine, University of Arkansas for Medical Science, Little Rock, AR 72205, USA
| | - Jungkwun Kim
- Department of Electrical Engineering, University of North Texas, Denton, TX 76207, USA
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19
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Bayoumi SA, Dawaba AM, Mansour A, Zalat ZA, Ammar AA. Ectoine gel transdermal formulation as a novel therapeutic approach in melanoma using 3D printed microneedles. Pharm Dev Technol 2022; 27:1110-1124. [PMID: 36458575 DOI: 10.1080/10837450.2022.2154789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
A 7%w/w ectoine formula, from natural source, is formulated to reduce melanomagenesis, enhance penetration by 3D printed microneedles (MNs), with specified length, diameter and tip to ensure painless effect. Ectoine gel formulations were prepared using Carbopol 940 and Pluronic (F127). The effect of the polymers on pH, viscosity, spreadability, and the in vitro, ex vivo release profiles was obtained. The physiochemical investigation showed uniform gel formulations. The formulations' in vitro and ex vivo drug release displayed a controllable drug release pattern, reaching 63.7-96% and 73-94.7% after 24 h. The permeation study of the in vitro and ex vivo release revealed that the drug release from gels followed diffusion mechanism. The selected formula was used, 3D printed MN array was applied to treat melanoma. Male rats were used for induction of melanoma using 0.5% of 7,12-dimethylbenz[a]anthracene three times weekly for 12 weeks, histopathology was applied to ensure development of carcinoma then rats were treated using the selected formula. Following treatment for continuous 6 weeks, histopathology showed a change in anatomy of skin, which started to return to its normal structure. The anti-melanogenesis activity of optimum formula of ectoine gel, enhanced by 3D printed MN, was found to be effective in reducing the severity of skin cancer reinforcing the efficacy of the promising treatment.
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Affiliation(s)
- Sammar A Bayoumi
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Aya M Dawaba
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy (Girls), Al Azhar University, Cairo, Egypt
| | - Ahmed Mansour
- Department of Pharmacology, Faculty of Pharmacy (Boys), Al Azhar University, Cairo, Egypt
| | - Zeinab AlKasaby Zalat
- Department of Clinical Pharmacy, Faculty of Pharmacy (Girls), Al Azhar University, Cairo, Egypt
| | - Amal A Ammar
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy (Girls), Al Azhar University, Cairo, Egypt
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20
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Tackling the challenges of developing microneedle-based electrochemical sensors. Mikrochim Acta 2022; 189:440. [DOI: 10.1007/s00604-022-05510-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 09/21/2022] [Indexed: 11/06/2022]
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21
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De Martino S, Battisti M, Napolitano F, Palladino A, Serpico L, Amendola E, Martone A, De Girolamo P, Squillace A, Dardano P, De Stefano L, Dello Iacono S. Effect of microneedles shape on skin penetration and transdermal drug administration. BIOMATERIALS ADVANCES 2022; 142:213169. [PMID: 36302329 DOI: 10.1016/j.bioadv.2022.213169] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Microneedle (MN) patches are highly efficient and versatile tools for transdermal drug administration, in particular for pain-free, self-medication and rapid local applications. Diffraction ultraviolet (UV) light lithography offers an advanced method in fabricating poly(ethylene glycol)-based MNs with different shapes, by changing both the UV-light exposure time and photomask design. The exposure time interval is limited at obtaining conical structures with aspect ratio < 1:3, otherwise MNs exhibit reduced fracture load and poor indentation ability, not suitable for practical application. Therefore, this work is focused on a systematic analysis of the MN's base shapes effects on the structural characteristics, skin penetration and drug delivery. Analyzing four different base shapes (circle, triangle, square and star), it has been found that the number of vertices in the polygon base heavily affects these properties. The star-like MNs reveal the most efficient skin penetration ability (equal to 40 % of -their length), due to the edges action on the skin during the perforation. Furthermore, the quantification of the drug delivered by the MNs through ex-vivo porcine skin shows that the amounts of small molecules released over 24 h by star-like MNs coated by local anesthetic (Lidocaine) and an anti-inflammatory (Diclofenac epolamine) drugs are 1.5× and 2× higher than the circular-MNs, respectively.
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Affiliation(s)
| | - Mario Battisti
- Materias Srl, Corso Nicolangelo Protopisani 50, Naples, Italy
| | - Francesco Napolitano
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples "Federico II", P.le Tecchio 80, 80125 Naples, Italy
| | - Antonio Palladino
- Department of Agricultural Sciences, University of Naples "Federico II", Via Università 100, 80055 Portici, Italy
| | - Luigia Serpico
- Materias Srl, Corso Nicolangelo Protopisani 50, Naples, Italy; Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council, Via P. Castellino 111, Naples 80131, Italy
| | - Eugenio Amendola
- Institute of Polymers, Composites and Biomaterials (IPCB), National Research Council, P.le Enrico Fermi 1, 80055 Portici, NA, Italy
| | - Alfonso Martone
- Institute of Polymers, Composites and Biomaterials (IPCB), National Research Council, P.le Enrico Fermi 1, 80055 Portici, NA, Italy
| | - Paolo De Girolamo
- Department of Veterinary Medicine and Animal Productions, University of Naples "Federico II", via Veterinaria 1, 80137 Naples, Italy
| | - Antonino Squillace
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples "Federico II", P.le Tecchio 80, 80125 Naples, Italy
| | - Principia Dardano
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council, Via P. Castellino 111, Naples 80131, Italy
| | - Luca De Stefano
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council, Via P. Castellino 111, Naples 80131, Italy
| | - Stefania Dello Iacono
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council, Via P. Castellino 111, Naples 80131, Italy.
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22
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Microneedle patch tattoos. iScience 2022; 25:105014. [DOI: 10.1016/j.isci.2022.105014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/24/2022] [Accepted: 08/19/2022] [Indexed: 11/20/2022] Open
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23
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Huang H, Hu D, Chen Z, Xu J, Xu R, Gong Y, Fang Z, Wang T, Chen W. Immunotherapy for type 1 diabetes mellitus by adjuvant-free Schistosoma japonicum-egg tip-loaded asymmetric microneedle patch (STAMP). J Nanobiotechnology 2022; 20:377. [PMID: 35964125 PMCID: PMC9375265 DOI: 10.1186/s12951-022-01581-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 08/01/2022] [Indexed: 11/23/2022] Open
Abstract
Background Type 1 diabetes mellitus (T1DM) is an autoimmune disease mediated by autoreactive T cells and dominated by Th1 response polarization. Insulin replacement therapy faces great challenges to this autoimmune disease, requiring highly frequent daily administration. Intriguingly, the progression of T1DM has proven to be prevented or attenuated by helminth infection or worm antigens for a relatively long term. However, the inevitable problems of low safety and poor compliance arise from infection with live worms or direct injection of antigens. Microneedles would be a promising candidate for local delivery of intact antigens, thus providing an opportunity for the clinical immunotherapy of parasitic products. Methods We developed a Schistosoma japonicum-egg tip-loaded asymmetric microneedle patch (STAMP) system, which serves as a new strategy to combat TIDM. In order to improve retention time and reduce contamination risk, a specific imperfection was introduced on the STAMP (asymmetric structure), which allows the tip to quickly separate from the base layer, improving reaction time and patient’s comfort. After loading Schistosoma japonicum-egg as the immune regulator, the effects of STAMP on blood glucose control and pancreatic pathological progression improvement were evaluated in vivo. Meanwhile, the immunoregulatory mechanism and biosafety of STAMP were confirmed by histopathology, qRT-PCR, ELISA and Flow cytometric analysis. Results Here, the newly developed STAMP was able to significantly reduce blood glucose and attenuate the pancreatic injury in T1DM mice independent of the adjuvants. The isolated Schistosoma japonicum-eggs micron slowly degraded in the skin and continuously released egg antigen for at least 2 weeks, ensuring localization and safety of antigen stimulation. This phenomenon should be attributed to the shift of Th2 immune response to reduce Th1 polarization. Conclusion Our results exhibited that STAMP could significantly regulate the blood glucose level and attenuate pancreatic pathological injury in T1DM mice by balancing the Th1/Th2 immune responses, which is independent of adjuvants. This technology opens a new window for the application of parasite products in clinical immunotherapy. Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01581-9.
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Affiliation(s)
- Haoming Huang
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Dian Hu
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Zhuo Chen
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Jiarong Xu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Rengui Xu
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Yusheng Gong
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Zhengming Fang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Ting Wang
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
| | - Wei Chen
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. .,Hubei Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
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24
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Rezapour Sarabi M, Alseed MM, Karagoz AA, Tasoglu S. Machine Learning-Enabled Prediction of 3D-Printed Microneedle Features. BIOSENSORS 2022; 12:bios12070491. [PMID: 35884294 PMCID: PMC9313436 DOI: 10.3390/bios12070491] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/29/2022] [Accepted: 07/04/2022] [Indexed: 05/22/2023]
Abstract
Microneedles (MNs) introduced a novel injection alternative to conventional needles, offering a decreased administration pain and phobia along with more efficient transdermal and intradermal drug delivery/sample collecting. 3D printing methods have emerged in the field of MNs for their time- and cost-efficient manufacturing. Tuning 3D printing parameters with artificial intelligence (AI), including machine learning (ML) and deep learning (DL), is an emerging multidisciplinary field for optimization of manufacturing biomedical devices. Herein, we presented an AI framework to assess and predict 3D-printed MN features. Biodegradable MNs were fabricated using fused deposition modeling (FDM) 3D printing technology followed by chemical etching to enhance their geometrical precision. DL was used for quality control and anomaly detection in the fabricated MNAs. Ten different MN designs and various etching exposure doses were used create a data library to train ML models for extraction of similarity metrics in order to predict new fabrication outcomes when the mentioned parameters were adjusted. The integration of AI-enabled prediction with 3D printed MNs will facilitate the development of new healthcare systems and advancement of MNs' biomedical applications.
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Affiliation(s)
- Misagh Rezapour Sarabi
- Graduate School of Sciences & Engineering, Koç University, Istanbul 34450, Turkey; (M.R.S.); (A.A.K.)
| | - M. Munzer Alseed
- Boğaziçi Institute of Biomedical Engineering, Boğaziçi University, Istanbul 34684, Turkey;
| | - Ahmet Agah Karagoz
- Graduate School of Sciences & Engineering, Koç University, Istanbul 34450, Turkey; (M.R.S.); (A.A.K.)
| | - Savas Tasoglu
- Graduate School of Sciences & Engineering, Koç University, Istanbul 34450, Turkey; (M.R.S.); (A.A.K.)
- Boğaziçi Institute of Biomedical Engineering, Boğaziçi University, Istanbul 34684, Turkey;
- Koç University Translational Medicine Research Center, Koç University, Istanbul 34450, Turkey
- Koç University Arçelik Research Center for Creative Industries, Koç University, Istanbul 34450, Turkey
- Physical Intelligence Department, Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany
- Correspondence:
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25
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Jang HM, Kim H, Park SY, An EJ, Sung CY, Jeong DH, Lee G. Dissolvable Microneedle Patch Increases the Therapeutic Effect of Jawoongo on DNCB-Induced Atopic Dermatitis in Mice. Complement Med Res 2022; 30:1-10. [PMID: 35728517 DOI: 10.1159/000525451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 06/07/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Jawoongo (JW) is a topical herbal ointment that has been used as an alternative treatment option for atopic dermatitis. Topical ointments are known to have less bioavailability because the stratum corneum allows only lipophilic and low molecular weight drugs to pass across it. This study aimed to investigate whether applying microneedle patches (MNP) increases the therapeutic effect of 2,4-dinitrochlorobenzene (DNCB)+JW for atopic dermatitis by enhancing transdermal delivery. METHODS Atopic dermatitis was induced by DNCB in BALB/c mice. The combination treatment of JW and MNP was estimated to study the effect of MNP in improving transdermal delivery. Histological analysis, quantitative real-time PCR (qPCR), and immunofluorescence were performed to verify the effect of MNP in enhancing the therapeutic effects of DNCB+JW on atopic dermatitis in mice. RESULTS Both combination treatment and DNCB+JW treatment ameliorated histological alterations and reduced skin thickness and infiltration of CD4+ T cells in atopic dermatitis-like skin lesions in DNCB-exposed BALB/c mice. However, the improvement of histological alterations was better in the combination treatment, which was almost normal. Furthermore, the combination treatment exhibited a larger decrease in mRNA levels of IL-4, IL-6, IL-13, iNOS, and TNF-α, compared to DNCB+JW only. In addition, skin thickness and infiltration of CD4+ T cells in the sensitized skin were significantly lower using the combination treatment than using DNCB+JW only. CONCLUSION Combination treatment with JW and MNP further decreased skin thickness and several inflammatory cytokines in atopic dermatitis like skin lesions compared to treatment using JW alone. These findings suggest that applying a dissolvable MNP after JW application could be useful for treating atopic dermatitis.
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Affiliation(s)
- Hye Min Jang
- College of Korean Medicine, Dongshin University, Naju-si, Republic of Korea,
| | - Haejoong Kim
- College of Korean Medicine, Dongshin University, Naju-si, Republic of Korea
| | - Soo-Yeon Park
- Department of Ophthalmology, Otolaryngology & Dermatology, College of Korean Medicine, Dongshin University, Naju-si, Republic of Korea
| | - Eun Jin An
- Raphas Co., Ltd., Seoul, Republic of Korea
| | | | | | - Gihyun Lee
- College of Korean Medicine, Dongshin University, Naju-si, Republic of Korea
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26
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Alkilani AZ, Nasereddin J, Hamed R, Nimrawi S, Hussein G, Abo-Zour H, Donnelly RF. Beneath the Skin: A Review of Current Trends and Future Prospects of Transdermal Drug Delivery Systems. Pharmaceutics 2022; 14:pharmaceutics14061152. [PMID: 35745725 PMCID: PMC9231212 DOI: 10.3390/pharmaceutics14061152] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/16/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
The ideal drug delivery system has a bioavailability comparable to parenteral dosage forms but is as convenient and easy to use for the patient as oral solid dosage forms. In recent years, there has been increased interest in transdermal drug delivery (TDD) as a non-invasive delivery approach that is generally regarded as being easy to administer to more vulnerable age groups, such as paediatric and geriatric patients, while avoiding certain bioavailability concerns that arise from oral drug delivery due to poor absorbability and metabolism concerns. However, despite its many merits, TDD remains restricted to a select few drugs. The physiology of the skin poses a barrier against the feasible delivery of many drugs, limiting its applicability to only those drugs that possess physicochemical properties allowing them to be successfully delivered transdermally. Several techniques have been developed to enhance the transdermal permeability of drugs. Both chemical (e.g., thermal and mechanical) and passive (vesicle, nanoparticle, nanoemulsion, solid dispersion, and nanocrystal) techniques have been investigated to enhance the permeability of drug substances across the skin. Furthermore, hybrid approaches combining chemical penetration enhancement technologies with physical technologies are being intensively researched to improve the skin permeation of drug substances. This review aims to summarize recent trends in TDD approaches and discuss the merits and drawbacks of the various chemical, physical, and hybrid approaches currently being investigated for improving drug permeability across the skin.
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Affiliation(s)
- Ahlam Zaid Alkilani
- Department of Pharmacy, Faculty of Pharmacy, Zarqa University, Zarqa 13110, Jordan; (J.N.); (S.N.); (G.H.); (H.A.-Z.)
- Correspondence:
| | - Jehad Nasereddin
- Department of Pharmacy, Faculty of Pharmacy, Zarqa University, Zarqa 13110, Jordan; (J.N.); (S.N.); (G.H.); (H.A.-Z.)
| | - Rania Hamed
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan;
| | - Sukaina Nimrawi
- Department of Pharmacy, Faculty of Pharmacy, Zarqa University, Zarqa 13110, Jordan; (J.N.); (S.N.); (G.H.); (H.A.-Z.)
| | - Ghaid Hussein
- Department of Pharmacy, Faculty of Pharmacy, Zarqa University, Zarqa 13110, Jordan; (J.N.); (S.N.); (G.H.); (H.A.-Z.)
| | - Hadeel Abo-Zour
- Department of Pharmacy, Faculty of Pharmacy, Zarqa University, Zarqa 13110, Jordan; (J.N.); (S.N.); (G.H.); (H.A.-Z.)
| | - Ryan F. Donnelly
- Medical Biology Centre, School of Pharmacy, Queen’s University Belfast, Belfast BT7 1NN, UK;
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27
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Li W, Chen JY, Terry RN, Tang J, Romanyuk A, Schwendeman SP, Prausnitz MR. Core-shell microneedle patch for six-month controlled-release contraceptive delivery. J Control Release 2022; 347:489-499. [PMID: 35550913 DOI: 10.1016/j.jconrel.2022.04.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/18/2022] [Accepted: 04/03/2022] [Indexed: 10/18/2022]
Abstract
There is a tremendous need for simple-to-administer, long-acting contraception, which can increase access to improved family planning. Microneedle (MN) patches enable simple self-administration and have previously been formulated for 1-2 months' controlled release of contraceptive hormone using monolithic polymer/drug MN designs having first-order release kinetics. To achieve zero-order release, we developed a novel core-shell MN patch where the shell acts as a rate-controlling membrane to delay release of a contraceptive hormone, levonorgestrel (LNG), for 6 months. In this approach, LNG was encapsulated in a poly(lactide-co-glycolide) (PLGA) core surrounded by a poly(l-lactide) (PLLA) shell and a poly(D,l-lactide) (PLA) cap that were fabricated by sequential casting into a MN mold. Upon application to skin, the core-shell MNs utilized an effervescent interface to separate from the patch backing within 1 min. The core-shell design limited the initial 24 h burst release of LNG to 5.8 ± 0.5% and achieved roughly zero-order LNG release for 6.2 ± 0.1 months in vitro. A monolithic MN patch formulated with the same LNG and PLGA core, but without the rate-controlling PLLA shell and PLA cap had a larger LNG burst release of 22.6 ± 2.0% and achieved LNG release for just 2.1 ± 0.2 months. This study provides the first core-shell MN patch for controlled months-long drug release and supports the development of long-acting contraception using a simple-to-administer, twice-per-year MN patch.
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Affiliation(s)
- Wei Li
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China.
| | - Jonathan Yuxuan Chen
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Richard N Terry
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Jie Tang
- Department of Pharmaceutical Sciences and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Andrey Romanyuk
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Steven P Schwendeman
- Department of Pharmaceutical Sciences and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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28
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Landers JJ, Janczak KW, Shakya AK, Zarnitsyn V, Patel SR, Baker JR, Gill HS, O'Konek JJ. Targeted allergen-specific immunotherapy within the skin improves allergen delivery to induce desensitization to peanut. Immunotherapy 2022; 14:539-552. [PMID: 35196877 PMCID: PMC9043875 DOI: 10.2217/imt-2021-0206] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 01/26/2022] [Indexed: 11/21/2022] Open
Abstract
Aim: Epicutaneous immunotherapy (EPIT) with peanut has been demonstrated to be safe but efficacy may be limited by allergen uptake through the skin barrier. To enhance allergen uptake into the skin, the authors used peanut-coated microneedles and compared them with EPIT in a peanut allergy mouse model. Methods: Sensitized mice were treated with peanut-coated microneedles or peanut-EPIT and then challenged with peanut to determine protection. Results: Treatment with peanut-coated microneedles was safe and showed enhanced desensitization to peanut compared with peanut-EPIT administered via a similar schedule. Protection was associated with reduced Th2 immune responses and mast cell accumulation in the intestine. Conclusion: Peanut-coated microneedles have the potential to present a safe method of improving allergen delivery for cutaneous immunotherapy.
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Affiliation(s)
- Jeffrey J Landers
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Katarzyna W Janczak
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | | | | | | | - James R Baker
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Jessica J O'Konek
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
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29
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Nazary Abrbekoh F, Salimi L, Saghati S, Amini H, Fathi Karkan S, Moharamzadeh K, Sokullu E, Rahbarghazi R. Application of microneedle patches for drug delivery; doorstep to novel therapies. J Tissue Eng 2022; 13:20417314221085390. [PMID: 35516591 PMCID: PMC9065468 DOI: 10.1177/20417314221085390] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 02/17/2022] [Indexed: 12/14/2022] Open
Abstract
In the past decade, microneedle-based drug delivery systems showed promising approaches to become suitable and alternative for hypodermic injections and can control agent delivery without side effects compared to conventional approaches. Despite these advantages, the procedure of microfabrication is facing some difficulties. For instance, drug loading method, stability of drugs, and retention time are subjects of debate. Besides, the application of novel refining fabrication methods, types of materials, and instruments are other issues that need further attention. Herein, we tried to summarize recent achievements in controllable drug delivery systems (microneedle patches) in vitro and in vivo settings. In addition, we discussed the influence of delivered drugs on the cellular mechanism and immunization molecular signaling pathways through the intradermal delivery route. Understanding the putative efficiency of microneedle patches in human medicine can help us develop and design sophisticated therapeutic modalities.
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Affiliation(s)
| | - Leila Salimi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Saghati
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Amini
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sonia Fathi Karkan
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Keyvan Moharamzadeh
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
| | - Emel Sokullu
- Koç University Research Center for Translational Medicine (KUTTAM), Istanbul, Turkey
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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30
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Ma J, Wang Y, Lu R. Mechanism and Application of Chitosan and Its Derivatives in Promoting Permeation in Transdermal Drug Delivery Systems: A Review. Pharmaceuticals (Basel) 2022; 15:ph15040459. [PMID: 35455456 PMCID: PMC9033127 DOI: 10.3390/ph15040459] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 01/15/2023] Open
Abstract
The mechanisms and applications of chitosan and its derivatives in transdermal drug delivery to promote drug permeation were reviewed in this paper. Specifically, we summarized the permeation-promoting mechanisms of chitosan and several of its derivatives, including changing the structure of stratum corneum proteins, acting on the tight junction of granular layers, affecting intercellular lipids, and increasing the water content of stratum corneum. These mechanisms are the reason why chitosan and its derivatives can increase the transdermal permeation of drugs. In addition, various transdermal preparations containing chitosan and its derivatives were summarized, and their respective advantages were expounded, including nanoparticles, emulsions, transdermal microneedles, nanocapsules, transdermal patches, transdermal membranes, hydrogels, liposomes, and nano-stents. The purpose of this review is to provide a theoretical basis for the further and wider application of chitosan in transdermal drug delivery systems. In the future, research results of chitosan and its derivatives in transdermal drug delivery need more support from in vivo experiments, as well as good correlation between in vitro and in vivo experiments. In conclusion, the excellent permeability-promoting property, good biocompatibility, and biodegradability of chitosan and its derivatives make them ideal materials for local transdermal drug delivery.
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31
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McGuckin MB, Wang J, Ghanma R, Qin N, Palma SD, Donnelly RF, Paredes AJ. Nanocrystals as a master key to deliver hydrophobic drugs via multiple administration routes. J Control Release 2022; 345:334-353. [DOI: 10.1016/j.jconrel.2022.03.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/05/2022] [Accepted: 03/06/2022] [Indexed: 12/14/2022]
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32
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Nogaeva UV, Leshkevich AA, Yurochkin DS, Golant ZM, Flisyuk EV, Ivkin DY. Prospects of a Transdermal Dosage Form (Microneedles) and Justification of the Active Substance Selection for Development of a New Medicine. Pharm Chem J 2022; 55:1085-1095. [PMID: 35132286 PMCID: PMC8810208 DOI: 10.1007/s11094-021-02541-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Indexed: 11/29/2022]
Affiliation(s)
- U. V. Nogaeva
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
| | - A. A. Leshkevich
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
| | - D. S. Yurochkin
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
| | - Z. M. Golant
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
| | - E. V. Flisyuk
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
| | - D. Yu. Ivkin
- St. Petersburg State Chemical and Pharmaceutical University, Ministry of Health of the Russian Federation, 14/A Prof. Popova St, St. Petersburg, 197376 Russia
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33
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Ono N, Iibuchi T, Todo H, Itakura S, Adachi H, Sugibayashi K. Enhancement of skin permeation of fluorescein isothiocyanate-dextran 4 kDa (FD4) and insulin by thermalporation. Eur J Pharm Sci 2021; 170:106096. [PMID: 34929301 DOI: 10.1016/j.ejps.2021.106096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/18/2021] [Accepted: 12/09/2021] [Indexed: 11/03/2022]
Abstract
Thermalporation has gained attention as a physical means to enhance skin permeation by creating micropores in the primary skin barrier, stratum corneum, which allows much higher permeation of middle and high molecular weight biopharmaceuticals. In the present study, a PassPort® system (PS) was used as a thermalporation device, and the obtained change in permeation resistance of drugs was evaluated using a parallel skin permeation-resistance model. In addition, the blood concentration-time profile after topical application of insulin was also investigated with the PS treatment. Fluorescein isothiocyanate-dextran (FD-4) and insulin were used as model middle molecular weight drugs. Micropores created by the PS treatment were measured using an optical microscope. An in vitro skin permeation and an in vivo pharmacokinetics experiments were done with FD-4 and insulin, respectively. Barrier function recovery after the PS treatment was evaluated with changes in the electrical skin resistance. About 960-fold higher skin permeation of FD-4 was observed by PSs treatment (4 milliseconds (ms), 200 micropores/cm2). A gradually increased blood concentration of insulin was observed by the PSs treatment, and the relative bioavailability of insulin was 21.1% compared with subcutaneous injection. Skin resistance value was dramatically decreased immediately after the PS treatment, but its value was turned into the initial one by 12 h. The thermalporation is effective for improving skin permeation of FD-4 and transdermal absorption of insulin. These results suggested that the PS treatment may be utilized to increase the skin permeation of topically applied FD-4 and insulin.
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Affiliation(s)
- Naoto Ono
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Tomoya Iibuchi
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Hiroaki Todo
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Shoko Itakura
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
| | - Hirotoshi Adachi
- PassPort Technologies, Inc., 5580 Morehouse Drive, Suite 120, San Diego, CA 92121, USA
| | - Kenji Sugibayashi
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan
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34
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Zhou Z, Zhang S, Yang G, Gao Y. Enhanced delivery efficiency and sustained release of biopharmaceuticals by complexation-based gel encapsulated coated microneedles: rhIFNα-1b example. Asian J Pharm Sci 2021; 16:612-622. [PMID: 34849166 PMCID: PMC8609446 DOI: 10.1016/j.ajps.2021.05.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/06/2021] [Accepted: 05/22/2021] [Indexed: 02/07/2023] Open
Abstract
Coated microneedles (MNs) are widely used for delivering biopharmaceuticals. In this study, a novel gel encapsulated coated MNs (GEC-MNs) was developed. The water-soluble drug coating was encapsulated with sodium alginate (SA) in situ complexation gel. The manufacturing process of GEC-MNs was optimized for mass production. Compared to the water-soluble coated MNs (72.02% ± 11.49%), the drug delivery efficiency of the optimized GEC-MNs (88.42% ± 6.72%) was steadily increased, and this improvement was investigated through in vitro drug release. The sustained-release of BSA was observed in vitro permeation through the skin. The rhIFNα-1b GEC-MNs was confirmed to achieve biosafety and 6-month storage stability. Pharmacokinetics of rhIFNα-1b in GEC-MNs showed a linearly dose-dependent relationship. The AUC of rhIFNα-1b in GEC-MNs (4.51 ng/ml·h) was bioequivalent to the intradermal (ID) injection (5.36 ng/ml·h) and significantly higher than water-soluble coated MNs (3.12 ng/ml·h). The rhIFNα-1b elimination half-life of GEC-MNs, soluble coated MNs, and ID injection was 18.16, 1.44, and 2.53 h, respectively. The complexation-based GEC-MNs have proved to be more efficient, stable, and achieve the sustained-release of water-soluble drug in coating MNs, constituting a high value to biopharmaceutical.
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Affiliation(s)
- Zequan Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Suohui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,Beijing CAS Microneedle Technology Ltd, Beijing 102609, China
| | - Guozhong Yang
- Beijing CAS Microneedle Technology Ltd, Beijing 102609, China
| | - Yunhua Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China.,Beijing CAS Microneedle Technology Ltd, Beijing 102609, China
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35
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36
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Lee Y, Li W, Tang J, Schwendeman SP, Prausnitz MR. Immediate detachment of microneedles by interfacial fracture for sustained delivery of a contraceptive hormone in the skin. J Control Release 2021; 337:676-685. [PMID: 34375689 DOI: 10.1016/j.jconrel.2021.08.012] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 08/02/2021] [Accepted: 08/05/2021] [Indexed: 12/27/2022]
Abstract
Despite their high efficacy and safety, long-acting contraceptive methods are underutilized among women in some settings because they usually require injection or implantation by healthcare personnel. Here, we report a self-administrable microneedle (MN) patch for the rapid administration of a sustained-release contraceptive hormone delivery system into the skin that increases the simplicity and reliability of the MN delivery. We developed an immediate microneedle detachment system using a porous patch backing that has sufficient strength during MN insertion into skin under compression, but enables immediate detachment (< 1 s) of the MNs due to fracture at the MN - backing interface upon patch removal under tension from the skin surface. After patch application, the removed patch produced no biohazardous sharps waste, and was designed to achieve long-acting contraception by formulating poly(lactic-co-glycolic acid) MNs to slowly release the contraceptive hormone levonorgestrel for up to 1 month. Our combined strategy using immediate MN detachment in the skin and sustained drug delivery from the MNs could facilitate greater access to long-acting contraception by providing a simple and convenient option for self-administered, long-acting contraception.
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Affiliation(s)
- Yunki Lee
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Wei Li
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China
| | - Jie Tang
- Department of Pharmaceutical Sciences and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Steven P Schwendeman
- Department of Pharmaceutical Sciences and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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Dixon RV, Skaria E, Lau WM, Manning P, Birch-Machin MA, Moghimi SM, Ng KW. Microneedle-based devices for point-of-care infectious disease diagnostics. Acta Pharm Sin B 2021; 11:2344-2361. [PMID: 34150486 PMCID: PMC8206489 DOI: 10.1016/j.apsb.2021.02.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/25/2020] [Accepted: 01/28/2021] [Indexed: 02/08/2023] Open
Abstract
Recent infectious disease outbreaks, such as COVID-19 and Ebola, have highlighted the need for rapid and accurate diagnosis to initiate treatment and curb transmission. Successful diagnostic strategies critically depend on the efficiency of biological sampling and timely analysis. However, current diagnostic techniques are invasive/intrusive and present a severe bottleneck by requiring specialist equipment and trained personnel. Moreover, centralised test facilities are poorly accessible and the requirement to travel may increase disease transmission. Self-administrable, point-of-care (PoC) microneedle diagnostic devices could provide a viable solution to these problems. These miniature needle arrays can detect biomarkers in/from the skin in a minimally invasive manner to provide (near-) real-time diagnosis. Few microneedle devices have been developed specifically for infectious disease diagnosis, though similar technologies are well established in other fields and generally adaptable for infectious disease diagnosis. These include microneedles for biofluid extraction, microneedle sensors and analyte-capturing microneedles, or combinations thereof. Analyte sampling/detection from both blood and dermal interstitial fluid is possible. These technologies are in their early stages of development for infectious disease diagnostics, and there is a vast scope for further development. In this review, we discuss the utility and future outlook of these microneedle technologies in infectious disease diagnosis.
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Key Words
- AC, alternating current
- APCs, antigen-presenting cells
- ASSURED, affordable, sensitive, specific, user-friendly, rapid and robust, equipment-free and deliverable to end-users
- Biomarker detection
- Biosensor
- CMOS, complementary metal-oxide semiconductor
- COVID, coronavirus disease
- COVID-19
- CSF, cerebrospinal fluid
- CT, computerised tomography
- CV, cyclic voltammetry
- DC, direct current
- DNA, deoxyribonucleic acid
- DPV, differential pulse voltammetry
- EBV, Epstein–Barr virus
- EDC/NHS, 1-ethyl-3-(3-dimethylaminoproply) carbodiimide/N-hydroxysuccinimide
- ELISA, enzyme-linked immunosorbent assay
- GOx, glucose oxidase
- HIV, human immunodeficiency virus
- HPLC, high performance liquid chromatography
- HRP, horseradish peroxidase
- IP, iontophoresis
- ISF, interstitial fluid
- IgG, immunoglobulin G
- Infectious disease
- JEV, Japanese encephalitis virus
- MN, microneedle
- Microneedle
- NA, nucleic acid
- OBMT, one-touch-activated blood multidiagnostic tool
- OPD, o-phenylenediamine
- PCB, printed circuit board
- PCR, polymerase chain reaction
- PDMS, polydimethylsiloxane
- PEDOT, poly(3,4-ethylenedioxythiophene)
- PNA, peptide nucleic acid
- PP, polyphenol
- PPD, poly(o-phenylenediamine)
- PoC, point-of-care
- Point-of-care diagnostics (PoC)
- SALT, skin-associated lymphoid tissue
- SAM, self-assembled monolayer
- SEM, scanning electron microscope
- SERS, surface-enhanced Raman spectroscopy
- SWV, square wave voltammetry
- Skin
- TB, tuberculosis
- UV, ultraviolet
- VEGF, vascular endothelial growth factor
- WHO, World Health Organisation
- cfDNA, cell-free deoxyribonucleic acid
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Affiliation(s)
- Rachael V. Dixon
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Eldhose Skaria
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - Wing Man Lau
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Philip Manning
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Mark A. Birch-Machin
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - S. Moein Moghimi
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Keng Wooi Ng
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
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Chen Y, Alba M, Tieu T, Tong Z, Minhas RS, Rudd D, Voelcker NH, Cifuentes-Rius A, Elnathan R. Engineering Micro–Nanomaterials for Biomedical Translation. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Yaping Chen
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
| | - Maria Alba
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
| | - Terence Tieu
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton VIC 3168 Australia
| | - Ziqiu Tong
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
| | - Rajpreet Singh Minhas
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
| | - David Rudd
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
| | - Nicolas H. Voelcker
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
- Department of Materials Science and Engineering Monash University 22 Alliance Lane Clayton VIC 3168 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Manufacturing Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton VIC 3168 Australia
- INM-Leibniz Institute for New Materials Campus D2 2 Saarbrücken 66123 Germany
| | - Anna Cifuentes-Rius
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
| | - Roey Elnathan
- Monash Institute of Pharmaceutical Sciences Monash University 381 Royal Parade Parkville VIC 3052 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility 151 Wellington Road Clayton VIC 3168 Australia
- Department of Materials Science and Engineering Monash University 22 Alliance Lane Clayton VIC 3168 Australia
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Yang Y, Xia L, Ning X, Hu T, Xu C, Liu W. Enhanced Drug Permeation into Human Keloid Tissues by Sonophoresis-Assisted Microneedling. SLAS Technol 2021; 26:660-666. [PMID: 34219535 DOI: 10.1177/24726303211024568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Keloids are disfiguring pathological scars that could cause pain and pruritus. The conventional treatments, such as bolus injection of drugs or surgery, are invasive and require a personal visit to clinic. Microneedle (MN) technology has great potential to offer a self-administered and minimally invasive treatment of keloids. However, drugs delivered using MNs suffer from limited penetration in keloid tissue. This study demonstrates enhanced drug penetration in human keloid scar tissue by combining MN and sonophoresis.
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Affiliation(s)
- Yating Yang
- Department of Plastic and Reconstructive Surgery, Shanghai Tissue Engineering Key Laboratory, Shanghai Research Institute of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Lingling Xia
- Department of Plastic and Reconstructive Surgery, Shanghai Tissue Engineering Key Laboratory, Shanghai Research Institute of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Xiaoyu Ning
- NTU Institute for Health Technologies, Interdisciplinary Graduate School, Nanyang Technological University, Singapore
| | - Tianli Hu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong SAR, People's Republic of China
| | - Chenjie Xu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong SAR, People's Republic of China
| | - Wei Liu
- Department of Plastic and Reconstructive Surgery, Shanghai Tissue Engineering Key Laboratory, Shanghai Research Institute of Plastic and Reconstructive Surgery, Shanghai 9th People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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40
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Gorantla S, Dabholkar N, Sharma S, Rapalli VK, Alexander A, Singhvi G. Chitosan-based microneedles as a potential platform for drug delivery through the skin: Trends and regulatory aspects. Int J Biol Macromol 2021; 184:438-453. [PMID: 34126145 DOI: 10.1016/j.ijbiomac.2021.06.059] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 12/20/2022]
Abstract
Microneedles (MNs) fabrication using chitosan has gained significant interest due to its ability of film-forming, biodegradability, and biocompatibility, making it suitable for topical and transdermal drug delivery. The presence of amine and hydroxyl functional groups on chitosan permits the modification with tunable properties and functionalities. In this regard, chitosan is the preferred material for fabrication of MNs because it does not produce an immune response in the body and can be tailored as per required strength and functionalities. Therefore, many researchers have attempted to use chitosan as a drug delivery vehicle for hydrophilic drugs, peptides, and hormones. In 2020, the FDA has issued "Regulatory Considerations for Microneedling Products". This official guidance is a sign for future opportunities in the development of MNs. The present review focuses on properties, and modifications of chitosan used in the fabrication of MNs. The therapeutic and diagnostic applications of different types of chitosan-based MNs have been discussed. Further, the regulatory aspects of MN-based devices, and patents related to chitosan-based MNs are discussed.
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Affiliation(s)
- Srividya Gorantla
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Neha Dabholkar
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Sudhanshu Sharma
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Vamshi Krishna Rapalli
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India
| | - Amit Alexander
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam 781101, India
| | - Gautam Singhvi
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, Pilani Campus, Rajasthan, India.
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Makvandi P, Kirkby M, Hutton ARJ, Shabani M, Yiu CKY, Baghbantaraghdari Z, Jamaledin R, Carlotti M, Mazzolai B, Mattoli V, Donnelly RF. Engineering Microneedle Patches for Improved Penetration: Analysis, Skin Models and Factors Affecting Needle Insertion. NANO-MICRO LETTERS 2021; 13:93. [PMID: 34138349 PMCID: PMC8006208 DOI: 10.1007/s40820-021-00611-9] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/05/2021] [Indexed: 05/14/2023]
Abstract
Transdermal microneedle (MN) patches are a promising tool used to transport a wide variety of active compounds into the skin. To serve as a substitute for common hypodermic needles, MNs must pierce the human stratum corneum (~ 10 to 20 µm), without rupturing or bending during penetration. This ensures that the cargo is released at the predetermined place and time. Therefore, the ability of MN patches to sufficiently pierce the skin is a crucial requirement. In the current review, the pain signal and its management during application of MNs and typical hypodermic needles are presented and compared. This is followed by a discussion on mechanical analysis and skin models used for insertion tests before application to clinical practice. Factors that affect insertion (e.g., geometry, material composition and cross-linking of MNs), along with recent advancements in developed strategies (e.g., insertion responsive patches and 3D printed biomimetic MNs using two-photon lithography) to improve the skin penetration are highlighted to provide a backdrop for future research.
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Affiliation(s)
- Pooyan Makvandi
- Istituto Italiano Di Tecnologia, Centre for Materials Interface, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy.
| | - Melissa Kirkby
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Aaron R J Hutton
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Majid Shabani
- Istituto Italiano Di Tecnologia, Centre for Materials Interface, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy
- The BioRobotics Institute, Scuola Superiore Sant'Anna, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy
| | - Cynthia K Y Yiu
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong SAR, China
| | - Zahra Baghbantaraghdari
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125, Naples, Italy
| | - Rezvan Jamaledin
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125, Naples, Italy
- Center for Advanced Biomaterials for Health Care (iit@CRIB), Italian Institute of Technology, 80125, Naples, Italy
| | - Marco Carlotti
- Istituto Italiano Di Tecnologia, Centre for Materials Interface, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy
| | - Barbara Mazzolai
- Istituto Italiano Di Tecnologia, Centre for Materials Interface, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy
| | - Virgilio Mattoli
- Istituto Italiano Di Tecnologia, Centre for Materials Interface, Viale Rinaldo Piaggio 34, 56025, Pontedera, Pisa, Italy.
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.
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Ahad A, Raish M, Bin Jardan YA, Al-Mohizea AM, Al-Jenoobi FI. Delivery of Insulin via Skin Route for the Management of Diabetes Mellitus: Approaches for Breaching the Obstacles. Pharmaceutics 2021; 13:pharmaceutics13010100. [PMID: 33466845 PMCID: PMC7830404 DOI: 10.3390/pharmaceutics13010100] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/22/2020] [Accepted: 12/27/2020] [Indexed: 12/14/2022] Open
Abstract
Insulin is used for the treatment of diabetes mellitus, which is characterized by hyperglycemia. Subcutaneous injections are the standard mode of delivery for insulin therapy; however, this procedure is very often invasive, which hinders patient compliance, particularly for individuals requiring insulin doses four times a day. Furthermore, cases have been reported of sudden hypoglycemia occurrences following multidose insulin injections. Such an invasive and intensive approach motivates the quest for alternative, more user-friendly insulin administration approaches. For example, transdermal delivery has numerous advantages, such as prolonged drug release, low variability in the drug plasma level, and improved patient compliance. In this paper, the authors summarize different approaches used in transdermal insulin delivery, including microneedles, chemical permeation enhancers, sonophoresis, patches, electroporation, iontophoresis, vesicular formulations, microemulsions, nanoparticles, and microdermabrasion. Transdermal systems for insulin delivery are still being widely researched. The conclusions presented in this paper are extracted from the literature, notably, that the transdermal route could effectively and reliably deliver insulin into the circulatory system. Consistent progress in this area will ensure that some of the aforementioned transdermal insulin delivery systems will be introduced in clinical practice and commercially available in the near future.
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Di Carla Santos S, Fávaro-Moreira NC, Abdalla HB, Augusto GGX, Costa YM, Volpato MC, Groppo FC, Gill HS, Franz-Montan M. A crossover clinical study to evaluate pain intensity from microneedle insertion in different parts of the oral cavity. Int J Pharm 2021; 592:120050. [PMID: 33161036 DOI: 10.1016/j.ijpharm.2020.120050] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/28/2020] [Accepted: 11/01/2020] [Indexed: 01/16/2023]
Abstract
The objective of the present study was to evaluate discomfort and safety of microneedle (MN) insertion in several intraoral regions. A device was developed to standardize MN insertions. MNs were inserted in the following regions of the oral cavity: gingiva, palatine alveolar process, buccal mucosa, dorsum of the tongue and inner portion of the lower lip. Perforations from MNs post insertion were confirmed with topical gentian violet stain. Pain was evaluated in a randomized, double-blinded, crossover study in 30 volunteers. Each volunteer received a MN patch, a 30G hypodermic needle (positive control) and an identical MN patch with its needles laying flat in the plane of the patch (negative control). Adverse events were visually evaluated immediately after (0 h) and 24 h post MN application. The application device developed a consistent application force (10 N) and promoted perforation of all individual MNs on a patch. At all sites, insertion of the hypodermic needle promoted more pain when compared to the negative control (p < 0.001). Application of the MNs promoted less pain than the hypodermic needle (p < 0.05), but slightly more pain as compared to the negative control (p < 0.05) at all sites except the tongue, where the MN did not differ from the negative control (p > 0.05). Hypodermic needle caused bleeding at all insertion sites. In contrast, MNs did not cause bleeding at most sites except in some cases of insertion into the hard gingiva and the palatine alveolar process where tiny blood spots appeared immediately after MN application for few of the MNs on the patch. There were no cases of bleeding at 24 h post MN application. In conclusion, MNs can perforate different sites of the oral cavity in a safe and significantly less painful manner as compared to the 30G hypodermic needle. Thus, analogous to the skin, MN-based approaches could be an attractive approach for drug delivery in the oral cavity.
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Affiliation(s)
- Stephany Di Carla Santos
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | - Nádia Cristina Fávaro-Moreira
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | - Henrique Ballassin Abdalla
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil; Laboratory of Neuroimmune Interface of Pain Research, Faculdade São Leopoldo Mandic, Instituto e Centro de Pesquisas São Leopoldo Mandic, Campinas, SP, Brazil
| | - Gabriela Gama Xavier Augusto
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | - Yuri Martins Costa
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | - Maria Cristina Volpato
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | - Francisco Carlos Groppo
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil
| | | | - Michelle Franz-Montan
- Department of Biosciences, Piracicaba Dental School, University of Campinas - UNICAMP, Piracicaba, São Paulo, Brazil.
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Characterization of microneedles and microchannels for enhanced transdermal drug delivery. Ther Deliv 2021; 12:77-103. [DOI: 10.4155/tde-2020-0096] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Microneedle (MN)-based technologies are currently one of the most innovative approaches that are being extensively investigated for transdermal delivery of low molecular weight drugs, biotherapeutic agents and vaccines. Extensive research reports, describing the fabrication and applications of different types of MNs, can be readily found in the literature. Effective characterization tools to evaluate the quality and performance of the MNs as well as for determination of the dimensional and kinetic properties of the microchannels created in the skin, are an essential and critical part of MN-based research. This review paper provides a comprehensive account of all such tools and techniques.
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Development, characterization and evaluation of nanocarrier based formulations of antipsoriatic drug “acitretin” for skin targeting. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.102010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Seetharam AA, Choudhry H, Bakhrebah MA, Abdulaal WH, Gupta MS, Rizvi SMD, Alam Q, Siddaramaiah, Gowda DV, Moin A. Microneedles Drug Delivery Systems for Treatment of Cancer: A Recent Update. Pharmaceutics 2020; 12:E1101. [PMID: 33212921 PMCID: PMC7698361 DOI: 10.3390/pharmaceutics12111101] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/02/2020] [Accepted: 11/10/2020] [Indexed: 12/16/2022] Open
Abstract
Microneedles (MNs) are tiny needle like structures used in drug delivery through layers of the skin. They are non-invasive and are associated with significantly less or no pain at the site of administration to the skin. MNs are excellent in delivering both small and large molecules to the subjects in need thereof. There exist several strategies for drug delivery using MNs, wherein each strategy has its pros and cons. Research in this domain lead to product development and commercialization for clinical use. Additionally, several MN-based products are undergoing clinical trials to evaluate its safety, efficacy, and tolerability. The present review begins by providing bird's-eye view about the general characteristics of MNs followed by providing recent updates in the treatment of cancer using MNs. Particularly, we provide an overview of various aspects namely: anti-cancerous MNs that work based on sensor technology, MNs for treatment of breast cancer, skin carcinoma, prostate cancer, and MNs fabricated by additive manufacturing or 3 dimensional printing for treatment of cancer. Further, the review also provides limitations, safety concerns, and latest updates about the clinical trials on MNs for the treatment of cancer. Furthermore, we also provide a regulatory overview from the "United States Food and Drug Administration" about MNs.
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Affiliation(s)
- Aravindram Attiguppe Seetharam
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research (JSSAHER), Sri Shivarathreeshwara Nagar, Mysore 570015, India; (A.A.S.); (M.S.G.)
| | - Hani Choudhry
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.C.); (W.H.A.)
| | - Muhammed A. Bakhrebah
- Life Science & Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia;
| | - Wesam H. Abdulaal
- Department of Biochemistry, Cancer Metabolism & Epigenetic Unit, Faculty of Science, Cancer & Mutagenesis Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (H.C.); (W.H.A.)
| | - Maram Suresh Gupta
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research (JSSAHER), Sri Shivarathreeshwara Nagar, Mysore 570015, India; (A.A.S.); (M.S.G.)
| | - Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 81481, Saudi Arabia;
| | - Qamre Alam
- Medical Genomics Research Department, King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh 11426, Saudi Arabia;
| | - Siddaramaiah
- Department of Polymer Science and Technology, Sri Jayachamarajendra College of Engineering, Mysore 570016, India;
| | - Devegowda Vishakante Gowda
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research (JSSAHER), Sri Shivarathreeshwara Nagar, Mysore 570015, India; (A.A.S.); (M.S.G.)
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 81481, Saudi Arabia;
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Dsouza L, Ghate VM, Lewis SA. Derma rollers in therapy: the transition from cosmetics to transdermal drug delivery. Biomed Microdevices 2020; 22:77. [PMID: 33104926 PMCID: PMC7588378 DOI: 10.1007/s10544-020-00530-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 12/11/2022]
Abstract
Derma roller, a device rolled onto the skin to form micropores, is extensively used for cosmetic purposes. The pores thus created are utilized to either result in the induction of collagen production, leading to glowing and wrinkle-free skin or for permeating the applied formulations to the site of action within the skin. Recent studies have shown the benefits of using derma rollers for transdermal delivery of drugs. In the nascent stage, this approach paves a way to successfully breach the stratum corneum and aid in the movement of medications directed towards the dermis and the hair follicles. The review essentially summarizes the evidence of the use of derma rollers in cosmetic setup, their designing, and the preclinical and clinical reports of efficacy, safety, and concerns when translated for pharmaceutical purposes and transdermal drug delivery.
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Affiliation(s)
- Leonna Dsouza
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, 576104, India
| | - Vivek M Ghate
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, 576104, India
| | - Shaila A Lewis
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, Karnataka, 576104, India.
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Ahmed Saeed AL-Japairai K, Mahmood S, Hamed Almurisi S, Reddy Venugopal J, Rebhi Hilles A, Azmana M, Raman S. Current trends in polymer microneedle for transdermal drug delivery. Int J Pharm 2020; 587:119673. [PMID: 32739388 PMCID: PMC7392082 DOI: 10.1016/j.ijpharm.2020.119673] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/11/2020] [Accepted: 07/16/2020] [Indexed: 01/26/2023]
Abstract
Transdermal drug delivery using microneedles is increasingly gaining interest due to the issues associated with oral drug delivery routes. Gastrointestinal route exposes the drug to acid and enzymes present in the stomach, leading to denaturation of the compound and resulting in poor bioavailability. Microneedle transdermal drug delivery addresses the problems linked to oral delivery and to relieves the discomfort of patients associated with injections to increase patient compliance. Microneedles can be broadly classified into five types: solid microneedles, coated microneedles, dissolving microneedles, hollow microneedles, and hydrogel-forming microneedles. The materials used for the preparation of microneedles dictate the different applications and features present in the microneedle. Polymeric microneedle arrays present an improved method for transdermal administration of drugs as they penetrate the skin stratum corneum barrier with minimal invasiveness. The review summarizes the importance of polymeric microneedle and discussed some of the most important therapeutic drugs in research, mainly protein drugs, vaccines and small molecule drugs in regenerative medicine.
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Affiliation(s)
- Khater Ahmed Saeed AL-Japairai
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, University Malaysia Pahang, Gambang 26300, Malaysia
| | - Syed Mahmood
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, University Malaysia Pahang, Gambang 26300, Malaysia; Centre of Excellence for Advanced Research in Fluid Flow (CARIFF), University Malaysia Pahang, 26300 Gambang, Pahang, Malaysia.
| | - Samah Hamed Almurisi
- Department of Pharmaceutical Technology, Kulliyyah of Pharmacy, International Islamic University Malaysia (IIUM), Kuantan 25200, Malaysia
| | - Jayarama Reddy Venugopal
- Faculty of Industrial Sciences & Technology, Universiti Malaysia Pahang, Gambang 26300, Malaysia
| | - Ayah Rebhi Hilles
- Faculty of Health Sciences, Department of Medical Science and Technology, PICOMS International University College of Medical Sciences, 68100 Kuala Lumpur, Malaysia
| | - Motia Azmana
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, University Malaysia Pahang, Gambang 26300, Malaysia
| | - Subashini Raman
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, University Malaysia Pahang, Gambang 26300, Malaysia
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Zhi D, Yang T, O'Hagan J, Zhang S, Donnelly RF. Photothermal therapy. J Control Release 2020; 325:52-71. [DOI: 10.1016/j.jconrel.2020.06.032] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 06/24/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022]
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