1
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Liu Y, Zhao ZQ, Liang L, Jing LY, Wang J, Dai Y, Chen BZ, Guo XD. Toward a solid microneedle patch for rapid and enhanced local analgesic action. Drug Deliv Transl Res 2024; 14:1810-1819. [PMID: 38236507 DOI: 10.1007/s13346-023-01486-6] [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] [Accepted: 11/17/2023] [Indexed: 01/19/2024]
Abstract
Analgesic creams find widespread application as adjuncts for localized anesthesia prior to surgical procedures. Nevertheless, the onset of analgesic action is protracted due to the skin barrier's inherent characteristics, which necessitates prolonged intervals of patient and clinician waiting, consequently impinging upon patient compliance and clinician workflow efficiency. In this work, a biodegradable microneedles (MNs) patch was introduced to enhance the intradermal administration of lidocaine cream to achieve rapid analgesia through a minimally invasive and conveniently accessible modality. The polylactic acid (PLA) MNs were mass-produced using a simple hot-pressing method and served the purpose of creating microchannels across the skin's surface for rapid absorption of lidocaine cream. Optical and electron microscopes were applied to meticulously scrutinize the morphology of the fabricated MNs, and the comprehensive penetration tests involving dynamometer tests, evaluation on porcine cadaver skin, artificial film, optical coherence tomography (OCT), transepidermal water loss, and analysis on rats' skins, demonstrated the robust mechanical strength of PLA MNs for successful intradermal penetration. The behavioral pain sensitivity tests on living rats using Von Frey hair filaments revealed that the MN-assisted lidocaine treatment expeditiously accelerated the onset of action from 40 to 10 min and substantially enhanced the efficacy of localized anesthesia. Furthermore, different treatment protocols encompassing the sequence of drug application relative to MN treatment, MN dimensions, and the frequency of MN insertions exhibited noteworthy influence on the resultant local anesthesia efficacy. Together, these results demonstrated that the lidocaine cream followed by diverse PLA MN treatments would be a promising strategy for rapid clinical local anesthesia with wide-ranging applications.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ze Qiang Zhao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ling Liang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Li Yue Jing
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jianhao Wang
- School of Pharmacy, Changzhou University, Changzhou, 213164, Jiangsu, China.
| | - Yun Dai
- Department of Endoscopy Center, The First Affiliated Hospital of Xiamen University, Xiamen, 361000, China.
| | - Bo Zhi Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Xin Dong Guo
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China.
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2
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Lin H, Liu J, Hou Y, Yu Z, Hong J, Yu J, Chen Y, Hu J, Xia D. Microneedle patch with pure drug tips for delivery of liraglutide: pharmacokinetics in rats and minipigs. Drug Deliv Transl Res 2024:10.1007/s13346-024-01582-1. [PMID: 38619705 DOI: 10.1007/s13346-024-01582-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2024] [Indexed: 04/16/2024]
Abstract
Transdermal delivery of peptide drugs is almost impossible with conventional penetration enhancers because of epidermal barrier function. Microneedle (MN) patches can bypass the epidermal barrier and have been developed for trans- and intradermal delivery of peptide drugs and vaccines. However, dissolving MN patches are limited by low drug loading capacities due to their small size and admixture of drug and water-soluble excipients. Furthermore, few in vivo pharmacokinetic studies, especially in large animals such as pigs, have been performed to assess post-application systemic drug exposure. Here, we developed a dissolving MN patch with pure liraglutide at the needle tips. The MN patch could load up to 2.21 ± 0.14 mg of liraglutide in a patch size of 0.9 cm2, which was nearly two orders of magnitude higher than that obtained with conventional MN patches of the same size. Raman imaging confirmed that liraglutide was localized at the MN tips. The MN had sufficient mechanical strength to penetrate the epidermis and could deliver up to 0.93 ± 0.04 mg of liraglutide into skin with a dosing variability of less than 6.8%. The MN patch delivery enabled faster absorption of liraglutide than that provided by subcutaneous (S.C.) injection, and achieved relative bioavailability of 69.8% and 46.3% compared to S.C. injection in rats and minipigs, respectively. The MN patch also exhibited similar patterns of anti-hyperglycemic effect in diabetic rats and individual variability in pharmacokinetic parameters as S.C. injection. The liraglutide MN application was well tolerated; no skin irritation was observed in minipigs except for mild erythema occurring within 4 h after once daily administration for 7 days at the same site. Our preclinical study suggests that MN patch with pure drug needle tips might offer a safe and effective alternative to S.C. injection for administration of liraglutide.
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Affiliation(s)
- Hongbing Lin
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Jinbin Liu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Yulin Hou
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Zhiyan Yu
- Dongguan HEC Biopharmaceutical R&D Co., Ltd., Dongguan, China
| | - Juan Hong
- Dongguan HEC Biopharmaceutical R&D Co., Ltd., Dongguan, China
| | - Jianghong Yu
- Dongguan HEC Biopharmaceutical R&D Co., Ltd., Dongguan, China
| | - Yu Chen
- Dongguan HEC Biopharmaceutical R&D Co., Ltd., Dongguan, China
| | - Jingwen Hu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Dengning Xia
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China.
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3
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Zhou B, Guo Z, Zhao P, Wang H, Dong S, Cheng B, Yang J, Li B, Wang X. Fabrication and characterization of coated microneedle patches based on PEGDA for transdermal administration of metformin. Drug Deliv Transl Res 2024; 14:131-142. [PMID: 37450235 DOI: 10.1007/s13346-023-01387-8] [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] [Accepted: 06/21/2023] [Indexed: 07/18/2023]
Abstract
Type 2 diabetes is one of the major challenges that the world is facing today. However, metformin (MET) as most type 2 diabetics' first-line oral hypoglycemic drug may cause serious side effects such as gastrointestinal irritation and nausea which reduce the patients' medication compliance. Therefore, the aim of the study was to design a safe and effective self-treatment device for the delivery of MET. Here, a kind of coated microneedle (MN) patches based on poly(ethylene glycol)diacrylate (PEGDA) were prepared by a two-step casting method and photopolymerization process for transdermal administration of MET. The needles wrapped with drug-loaded hyaluronic acid (HA) coating showed promising mechanical properties and drug delivery ability that allowed them to penetrate the skin barrier for rapid drug delivery, and they had no skin irritancy. The in vivo experiment of type 2 diabetic rats showed a satisfying hypoglycemic effect of the coated MN patches. The study shows that the prepared MN patches will be a potential method for the treatment of type 2 diabetes in the future.
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Affiliation(s)
- Bo Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
- Hainan Institute, Wuhan University of Technology, Sanya, 572000, People's Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Zhendong Guo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Peiwen Zhao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Hao Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Siyan Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
- School of Biosciences, University of Birmingham, Edgbaston, B15 2TT, UK
| | - Bo Cheng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, 430060, People's Republic of China
| | - Jing Yang
- School of Foreign Languages, Wuhan University of Technology, Wuhan, 430070, People's Republic of China
| | - Binbin Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China.
- Hainan Institute, Wuhan University of Technology, Sanya, 572000, People's Republic of China.
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China.
| | - Xinyu Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, People's Republic of China.
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan, 528200, People's Republic of China.
- Hainan Institute, Wuhan University of Technology, Sanya, 572000, People's Republic of China.
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070, People's Republic of China.
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, 430060, People's Republic of China.
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Shriky B, Babenko M, Whiteside BR. Dissolving and Swelling Hydrogel-Based Microneedles: An Overview of Their Materials, Fabrication, Characterization Methods, and Challenges. Gels 2023; 9:806. [PMID: 37888379 PMCID: PMC10606778 DOI: 10.3390/gels9100806] [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: 08/31/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/28/2023] Open
Abstract
Polymeric hydrogels are a complex class of materials with one common feature-the ability to form three-dimensional networks capable of imbibing large amounts of water or biological fluids without being dissolved, acting as self-sustained containers for various purposes, including pharmaceutical and biomedical applications. Transdermal pharmaceutical microneedles are a pain-free drug delivery system that continues on the path to widespread adoption-regulatory guidelines are on the horizon, and investments in the field continue to grow annually. Recently, hydrogels have generated interest in the field of transdermal microneedles due to their tunable properties, allowing them to be exploited as delivery systems and extraction tools. As hydrogel microneedles are a new emerging technology, their fabrication faces various challenges that must be resolved for them to redeem themselves as a viable pharmaceutical option. This article discusses hydrogel microneedles from a material perspective, regardless of their mechanism of action. It cites the recent advances in their formulation, presents relevant fabrication and characterization methods, and discusses manufacturing and regulatory challenges facing these emerging technologies before their approval.
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Affiliation(s)
- Bana Shriky
- Faculty of Engineering and Digital Technologies, University of Bradford, Bradford BD7 1DP, UK;
| | | | - Ben R. Whiteside
- Faculty of Engineering and Digital Technologies, University of Bradford, Bradford BD7 1DP, UK;
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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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6
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Hou X, Li J, Hong Y, Ruan H, Long M, Feng N, Zhang Y. Advances and Prospects for Hydrogel-Forming Microneedles in Transdermal Drug Delivery. Biomedicines 2023; 11:2119. [PMID: 37626616 PMCID: PMC10452559 DOI: 10.3390/biomedicines11082119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
Transdermal drug delivery (TDD) is one of the key approaches for treating diseases, avoiding first-pass effects, reducing systemic adverse drug reactions and improving patient compliance. Microneedling, iontophoresis, electroporation, laser ablation and ultrasound facilitation are often used to improve the efficiency of TDD. Among them, microneedling is a relatively simple and efficient means of drug delivery. Microneedles usually consist of micron-sized needles (50-900 μm in length) in arrays that can successfully penetrate the stratum corneum and deliver drugs in a minimally invasive manner below the stratum corneum without touching the blood vessels and nerves in the dermis, improving patient compliance. Hydrogel-forming microneedles (HFMs) are safe and non-toxic, with no residual matrix material, high drug loading capacity, and controlled drug release, and they are suitable for long-term, multiple drug delivery. This work reviewed the characteristics of the skin structure and TDD, introduced TDD strategies based on HFMs, and summarized the characteristics of HFM TDD systems and the evaluation methods of HFMs as well as the application of HFM drug delivery systems in disease treatment. The HFM drug delivery system has a wide scope for development, but the translation to clinical application still has more challenges.
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Affiliation(s)
- Xiaolin Hou
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Jiaqi Li
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Yongyu Hong
- Xiamen Hospital of Chinese Medicine, No. 1739 Xiangyue Road, Huli District, Xiamen 361015, China;
| | - Hang Ruan
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Meng Long
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Nianping Feng
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Yongtai Zhang
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
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7
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Keirouz A, Mustafa YL, Turner JG, Lay E, Jungwirth U, Marken F, Leese HS. Conductive Polymer-Coated 3D Printed Microneedles: Biocompatible Platforms for Minimally Invasive Biosensing Interfaces. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206301. [PMID: 36596657 DOI: 10.1002/smll.202206301] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Conductive polymeric microneedle (MN) arrays as biointerface materials show promise for the minimally invasive monitoring of analytes in biodevices and wearables. There is increasing interest in microneedles as electrodes for biosensing, but efforts have been limited to metallic substrates, which lack biological stability and are associated with high manufacturing costs and laborious fabrication methods, which create translational barriers. In this work, additive manufacturing, which provides the user with design flexibility and upscale manufacturing, is employed to fabricate acrylic-based microneedle devices. These microneedle devices are used as platforms to produce intrinsically-conductive, polymer-based surfaces based on polypyrrole (PPy) and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS). These entirely polymer-based solid microneedle arrays act as dry conductive electrodes while omitting the requirement of a metallic seed layer. Two distinct coating methods of 3D-printed solid microneedles, in situ polymerization and drop casting, enable conductive functionality. The microneedle arrays penetrate ex vivo porcine skin grafts without compromising conductivity or microneedle morphology and demonstrate coating durability over multiple penetration cycles. The non-cytotoxic nature of the conductive microneedles is evaluated using human fibroblast cells. The proposed fabrication strategy offers a compelling approach to manufacturing polymer-based conductive microneedle surfaces that can be further exploited as platforms for biosensing.
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Affiliation(s)
- Antonios Keirouz
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
| | - Yasemin L Mustafa
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
| | - Joseph G Turner
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
| | - Emily Lay
- Department of Life Sciences, University of Bath, Bath, BA2 7AY, UK
- Centre for Therapeutic Innovation, University of Bath, Bath, BA2 7AY, UK
| | - Ute Jungwirth
- Department of Life Sciences, University of Bath, Bath, BA2 7AY, UK
- Centre for Therapeutic Innovation, University of Bath, Bath, BA2 7AY, UK
| | - Frank Marken
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Hannah S Leese
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
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8
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Al-Badry AS, Al-Mayahy MH, Scurr DJ. Enhanced Transdermal Delivery of Acyclovir via Hydrogel Microneedle Arrays. J Pharm Sci 2023; 112:1011-1019. [PMID: 36384194 DOI: 10.1016/j.xphs.2022.11.012] [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: 06/16/2022] [Revised: 11/07/2022] [Accepted: 11/07/2022] [Indexed: 11/14/2022]
Abstract
Hydrogel microneedles represent a promising approach to deliver drug molecules across skin into systemic circulation in a sustained release manner and without any polymer residue within skin. Acyclovir is an antiviral drug used for the treatment of several viral infections. However, the oral administration of acyclovir may cause gastrointestinal tract (GIT) disturbances with low bioavailability and poor patient compliance due to its requirement of five daily administrations to produce the desired effect. Therefore, it is thought that the preparation of hydrogel microneedle arrays containing acyclovir would improve the bioavailability and patient compliance by reducing the frequency of administration to once daily as well as overcome the GIT side effects associated with oral administration. A mixture of PEG 10,000 Da and PMVE/MA co-polymer 1,980,000 Da at a ratio of 1:3 (7.5%:22.5% w/w) with Na2CO3 3% w/w was found to produce the optimum hydrogel microneedle array formulation (F8) which showed suitable needle formation with an appropriate mechanical strength and excellent insertion ability, high drug content, sufficient swelling property and a sustained drug release over a period of 24 hours. The Ex vivo permeation study across human skin has demonstrated that the permeation of acyclovir from F8 hydrogel microneedle array was significantly (P≤ 0.05) increased by 39 times in comparison with microneedle-free film (control). The microneedle array has delivered 75.56% ± 4.2 of its loading dose over 24 hours, while the control film was only able to deliver 1.94% ± 0.14 of the total loading dose during the same period. Accordingly, these findings propose the potential application of hydrogel microneedle arrays for the transdermal delivery of acyclovir in a sustained release manner over 24 hours.
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Affiliation(s)
| | | | - David J Scurr
- Division of Advanced Materials and Healthcare Technologies, School of Pharmacy, The University of Nottingham, NG7 2RD, UK
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9
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Naser YA, Tekko IA, Vora LK, Peng K, Anjani QK, Greer B, Elliott C, McCarthy HO, Donnelly RF. Hydrogel-forming microarray patches with solid dispersion reservoirs for transdermal long-acting microdepot delivery of a hydrophobic drug. J Control Release 2023; 356:416-433. [PMID: 36878320 DOI: 10.1016/j.jconrel.2023.03.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 02/24/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023]
Abstract
Hydrogel-forming microarray patches (HF-MAPs) are used to circumvent the skin barrier and facilitate the noninvasive transdermal delivery of many hydrophilic substances. However, their use in the delivery of hydrophobic agents is a challenging task. This work demonstrates, for the first time, the successful transdermal long-acting delivery of the hydrophobic atorvastatin (ATR) via HF-MAPs using poly(ethylene)glycol (PEG)-based solid dispersion (SD) reservoirs. PEG-based SDs of ATR were able to completely dissolve within 90 s in vitro. Ex vivo results showed that 2.05 ± 0.23 mg of ATR/0.5 cm2 patch was delivered to the receiver compartment of Franz cells after 24 h. The in vivo study, conducted using Sprague Dawley rats, proved the versatility of HF-MAPs in delivering and maintaining therapeutically-relevant concentrations (> 20 ng·mL-1) of ATR over 14 days, following a single HF-MAP application for 24 h. The long-acting delivery of ATR suggests the successful formation of hydrophobic microdepots within the skin, allowing for the subsequent sustained delivery as they gradually dissolve over time, as shown in this work. When compared to the oral group, the use of the HF-MAP formulation improved the overall pharmacokinetics profile of ATR in plasma, where significantly higher AUC values resulting in ∼10-fold higher systemic exposure levels were obtained. This novel system offers a promising, minimally-invasive, long-acting alternative delivery system for ATR that is capable of enhancing patient compliance and therapeutic outcomes. It also proposes a unique promising platform for the long-acting transdermal delivery of other hydrophobic agents.
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Affiliation(s)
- Yara A Naser
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ismaiel A Tekko
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Aleppo University, Aleppo, Syria
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ke Peng
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita K Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Brett Greer
- Institute for Global Food Security, School of Biological Science, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, UK
| | - Christopher Elliott
- Institute for Global Food Security, School of Biological Science, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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10
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Elim D, Fitri AMN, Mahfud MAS, Afika N, Sultan NAF, Hijrah, Asri RM, Permana AD. Hydrogel forming microneedle-mediated transdermal delivery of sildenafil citrate from polyethylene glycol reservoir: An ex vivo proof of concept study. Colloids Surf B Biointerfaces 2023; 222:113018. [PMID: 36435027 DOI: 10.1016/j.colsurfb.2022.113018] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/09/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Erectile dysfunction (ED) is a disorder that often occurs in men worldwide. One of the drugs used as the first-line therapy for erectile dysfunction is sildenafil citrate (SC). Unfortunately, SC was commonly found in oral, injection, and transdermal dosage forms with some limitations, mainly related to low oral bioavailability caused by the occurrence of first-pass metabolism in the liver, and poor patient comfort and compliance. Therefore, it was essential to develop dosage forms to overcome these limitations. We developed hydrogel-forming microneedles (HFM) that can facilitate transdermal delivery of SC by penetrating the stratum corneum. HFM was made using polyvinyl alcohol (PVA) and polyvinyl pyrrolidone (PVP) as polymers and several variations of tartaric acid as crosslinking agents. The evaluation of swelling properties, mechanical resistance, and penetration ability showed that the HFM produced had good insertion properties and swelling capabilities ranging from 300% to 700%. This HFM was designed to be integrated with a polyethylene glycol (PEG) reservoir prepared using several types of PEG with different molecular weights. The ex vivo permeation study showed that up to 80% of SC (equivalent to 20.2 ± 0.29 mg/mL) was delivered transdermally from this combined dosage form. For the first time, SC has been successfully developed into an HFM that was integrated with a PEG reservoir which was non-irritating, safe, and painless. It also had promising results for increasing the effectiveness of ED therapy.
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Affiliation(s)
- Diany Elim
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | | | | | - Nur Afika
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | | | - Hijrah
- Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
| | | | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia.
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11
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Himawan A, Vora LK, Permana AD, Sudir S, Nurdin AR, Nislawati R, Hasyim R, Scott CJ, Donnelly RF. Where Microneedle Meets Biomarkers: Futuristic Application for Diagnosing and Monitoring Localized External Organ Diseases. Adv Healthc Mater 2023; 12:e2202066. [PMID: 36414019 DOI: 10.1002/adhm.202202066] [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: 08/16/2022] [Revised: 11/03/2022] [Indexed: 11/24/2022]
Abstract
Extracellular tissue fluids are interesting biomatrices that have recently attracted scientists' interest. Many significant biomarkers for localized external organ diseases have been isolated from this biofluid. In the diagnostic and disease monitoring context, measuring biochemical entities from the fluids surrounding the diseased tissues may give more important clinical value than measuring them at a systemic level. Despite all these facts, pushing tissue fluid-based diagnosis and monitoring forward to clinical settings faces one major problem: its accessibility. Most extracellular tissue fluid, such as interstitial fluid (ISF), is abundant but hard to collect, and the currently available technologies are invasive and expensive. This is where novel microneedle technology can help tackle this significant obstacle. The ability of microneedle technology to minimally invasively access tissue fluid-containing biomarkers will enable ISF and other tissue fluid utilization in the clinical diagnosis and monitoring of localized diseases. This review attempts to present the current pursuit of the application of microneedle systems as a diagnostic and monitoring platform, along with the recent progress of biomarker detection in diagnosing and monitoring localized external organ diseases. Then, the potential use of various microneedles in future clinical diagnostics and monitoring of localized diseases is discussed by presenting the currently studied cases.
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Affiliation(s)
- Achmad Himawan
- School of Pharmacy, Queen's University Belfast, Belfast, BT97BL, UK.,Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, Indonesia
| | | | - Andi Dian Permana
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, Indonesia
| | - Sumarheni Sudir
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, Indonesia
| | - Airin R Nurdin
- Department of Dermatology and Venereology, Faculty of Medicine, Hasanuddin University, Makassar, 90245, Indonesia.,Hasanuddin University Hospital, Hasanuddin University, Makassar, 90245, Indonesia
| | - Ririn Nislawati
- Hasanuddin University Hospital, Hasanuddin University, Makassar, 90245, Indonesia.,Department of Ophthalmology, Faculty of Medicine, Hasanuddin University, Makassar, 90245, Indonesia
| | - Rafikah Hasyim
- Department of Oral Biology, Faculty of Dentistry, Hasanuddin University, Makassar, 90245, Indonesia
| | - Christopher J Scott
- Patrick G Johnson Centre for Cancer Research, Queen's University Belfast, Belfast, BT97BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Belfast, BT97BL, UK
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12
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Himawan A, Kurnia Anjani Q, Detamornrat U, Vora LK, Dian Permana A, Ghanma R, Naser Y, Rahmawanty D, Scott CJ, Donnelly RF. Multifunctional Low Temperature-Cured PVA/PVP/Citric Acid-Based Hydrogel Forming Microarray Patches: Physicochemical Characteristics and Hydrophilic Drug Interaction. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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13
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Singh P, Youden B, Carrier A, Oakes K, Servos M, Jiang R, Lin S, Nguyen TD, Zhang X. Photoresponsive polymeric microneedles: An innovative way to monitor and treat diseases. J Control Release 2023; 353:1050-1067. [PMID: 36549390 DOI: 10.1016/j.jconrel.2022.12.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Microneedles (MN) technology is an emerging technology for the transdermal delivery of therapeutics. When combined with photoresponsive (PR) materials, MNs can deliver therapeutics precisely and effectively with enhanced efficacy or synergistic effects. This review systematically summarizes the therapeutic applications of PRMNs in cancer therapy, wound healing, diabetes treatment, and diagnostics. Different PR approaches to activate and control the release of therapeutic agents from MNs are also discussed. Overall, PRMNs are a powerful tool for stimuli-responsive controlled-release therapeutic delivery to treat various diseases.
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Affiliation(s)
- Parbeen Singh
- Department of Mechanical Engineering, University of Connecticut, United States; School of Food and Drug, Shenzhen Key Laboratory of Fermentation Purification and Analysis, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Brian Youden
- Department of Chemistry, Cape Breton University, 1250 Grand Lake Road, Sydney, Nova Scotia B1P 6L2, Canada; Department of Biology, University of Waterloo, 200 University Ave W, Waterloo, Ontario N2L 3G1, Canada
| | - Andrew Carrier
- Department of Chemistry, Cape Breton University, 1250 Grand Lake Road, Sydney, Nova Scotia B1P 6L2, Canada
| | - Ken Oakes
- Department of Biology, Cape Breton University, 1250 Grand Lake Road, Sydney, Nova Scotia B1P 6L2, Canada
| | - Mark Servos
- Department of Biology, University of Waterloo, 200 University Ave W, Waterloo, Ontario N2L 3G1, Canada
| | - Runqing Jiang
- Department of Medical Physics, Grand River Regional Cancer Centre, Kitchener, Ontario N2G 1G3, Canada
| | - Sujing Lin
- School of Food and Drug, Shenzhen Key Laboratory of Fermentation Purification and Analysis, Shenzhen Polytechnic, Shenzhen 518055, China.
| | - Thanh D Nguyen
- Department of Mechanical Engineering, University of Connecticut, United States.
| | - Xu Zhang
- Department of Chemistry, Cape Breton University, 1250 Grand Lake Road, Sydney, Nova Scotia B1P 6L2, Canada.
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14
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Choo JJY, McMillan CLD, Young PR, Muller DA. Microarray patches: scratching the surface of vaccine delivery. Expert Rev Vaccines 2023; 22:937-955. [PMID: 37846657 DOI: 10.1080/14760584.2023.2270598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/10/2023] [Indexed: 10/18/2023]
Abstract
INTRODUCTION Microneedles are emerging as a promising technology for vaccine delivery, with numerous advantages over traditional needle and syringe methods. Preclinical studies have demonstrated the effectiveness of MAPs in inducing robust immune responses over traditional needle and syringe methods, with extensive studies using vaccines targeted against different pathogens in various animal models. Critically, the clinical trials have demonstrated safety, immunogenicity, and patient acceptance for MAP-based vaccines against influenza, measles, rubella, and SARS-CoV-2. AREAS COVERED This review provides a comprehensive overview of the different types of microarray patches (MAPs) and analyses of their applications in preclinical and clinical vaccine delivery settings. This review also covers additional considerations for microneedle-based vaccination, including adjuvants that are compatible with MAPs, patient safety and factors for global vaccination campaigns. EXPERT OPINION MAP vaccine delivery can potentially be a game-changer for vaccine distribution and coverage in both high-income and low- and middle-income countries. For MAPs to reach this full potential, many critical hurdles must be overcome, such as large-scale production, regulatory compliance, and adoption by global health authorities. However, given the considerable strides made in recent years by MAP developers, it may be possible to see the first MAP-based vaccines in use within the next 5 years.
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Affiliation(s)
- Jovin J Y Choo
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Christopher L D McMillan
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Paul R Young
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - David A Muller
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
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15
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Zhang Y, Gao Z, Chao S, Lu W, Zhang P. Transdermal delivery of inflammatory factors regulated drugs for rheumatoid arthritis. Drug Deliv 2022; 29:1934-1950. [PMID: 35757855 PMCID: PMC9246099 DOI: 10.1080/10717544.2022.2089295] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune disease, with the features of recurrent chronic inflammation of synovial tissue, destruction of cartilage, and bone erosion, which further affects joints tissue, organs, and systems, and eventually leads to irreversible joint deformities and body dysfunction. Therapeutic drugs for rheumatoid arthritis mainly reduce inflammation through regulating inflammatory factors. Transdermal administration is gradually being applied to the treatment of rheumatoid arthritis, which can allow the drug to overcome the skin stratum corneum barrier, reduce gastrointestinal side effects, and avoid the first-pass effect, thus improving bioavailability and relieving inflammation. This paper reviewed the latest research progress of transdermal drug delivery in the treatment of rheumatoid arthritis, and discussed in detail the dosage forms such as gel (microemulsion gel, nanoemulsion gel, nanomicelle gel, sanaplastic nano-vesiclegel, ethosomal gel, transfersomal gel, nanoparticles gel), patch, drug microneedles, nanostructured lipid carrier, transfersomes, lyotropic liquid crystal, and drug loaded electrospinning nanofibers, which provide inspiration for the rich dosage forms of transdermal drug delivery systems for rheumatoid arthritis.
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Affiliation(s)
- Yanyan Zhang
- School of Pharmacy and Pharmaceutical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Zhaoju Gao
- School of Pharmacy and Pharmaceutical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Shushu Chao
- School of Pharmacy and Pharmaceutical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Wenjuan Lu
- School of Pharmacy and Pharmaceutical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Pingping Zhang
- School of Pharmacy and Pharmaceutical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
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16
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Prabahar K, Udhumansha U, Elsherbiny N, Qushawy M. Microneedle mediated transdermal delivery of β-sitosterol loaded nanostructured lipid nanoparticles for androgenic alopecia. Drug Deliv 2022; 29:3022-3034. [PMID: 36110028 PMCID: PMC10003132 DOI: 10.1080/10717544.2022.2120927] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Plant-derived 5 α-reductase inhibitors, such as β-sitosterol and phytosterol glycosides, have been used to treat androgenic alopecia, but their oral absolute bioavailability is poor. This study aimed to develop a transdermal drug delivery system of β-sitosterol (BS) using a nanostructured lipid carrier (NLC) incorporated into polymeric microneedles (MN). Using a high-speed homogenization method, NLC was formulated variables were optimized by Box-Behnken statistical design. The optimized formulation of BS-loaded NLCs was incorporated into the chitosan-based MNs to prepare NLC-loaded polymeric MNs (NLC-MNs) and evaluated using testosterone induced alopecia rats. The cumulative amount of β-sitosterol associated with NLC- MN which penetrated the rat skin in-vitro was 3612.27 ± 120.81 μg/cm2, while from the NLC preparation was 2402.35 ± 162.5 μg/cm2. The steady state flux (Jss) of NLC-MN was significantly higher than that of the optimized NLC formulation (P < 0.05). Anagen/telogen ratio was significantly affected by NLC and NLC-MN, which was 2.22 ± 0.34, 1.24 ± 0.18 respectively compared to 0.26 ± 0.08 for animal group treated with testosterone. The reversal of androgen-induced hair loss in animals treated with β-sitosterol was a sign of hair follicle dominance in the anagenic growth phase. However, NLC-MN delivery system has shown significant enhancement of hair growth in rats. From these experimental data, it can be concluded that NLC incorporated MN transdermal system have potential in effective treatment of androgenic alopecia.
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Affiliation(s)
- Kousalya Prabahar
- Department of Pharmacy Practice, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.,Department of Pharmacy Practice, Faculty of Pharmacy, Dr. M.G.R. Educational and Research Institute, Velappanchavadi, Chennai, Tamil Nadu, India
| | | | - Nehal Elsherbiny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.,Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mona Qushawy
- Department of Pharmaceutics, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.,Department of Pharmaceutics, Faculty of Pharmacy, Sinai University, Alarish, North Sinai, Egypt
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17
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Delivery and diffusion of retinal in dermis and epidermis through the combination of prodrug nanoparticles and detachable dissolvable microneedles. Drug Deliv Transl Res 2022; 12:2751-2761. [PMID: 35191004 DOI: 10.1007/s13346-022-01136-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2022] [Indexed: 12/15/2022]
Abstract
To minimize chemical degradation of retinal, we graft this aldehyde on chitosan chains to make them self-assemble into pro-retinal nanoparticles (PRNs), which we then load into detachable dissolvable microneedles (DDMNs) made of 1:1 (by weight) hyaluronic acid/maltose. The presence of PRNs in the hyaluronic acid-maltose needle matrix also helps improve the microneedles' mechanical strength. Ex vivo administration of PRN-loaded DDMNs on fresh porcine ear skin shows, as observed by stereomicroscopic and confocal fluorescence microscopic analyses of the cross-sectioned tissue pieces, complete deposition followed by dissolution of the needles and diffusion of the PRNs in epidermis and dermis. Rats administered with a single dose of PRN-loaded DDMNs show significantly increased epidermal thickness as compared to rats administered with control DDMNs (no PRN). Both the PRN-loaded DDMNs and the control DDMNs produce no skin irritation in rats.
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18
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The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study. Int J Pharm 2022; 628:122234. [PMID: 36191817 DOI: 10.1016/j.ijpharm.2022.122234] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 09/01/2022] [Accepted: 09/21/2022] [Indexed: 11/20/2022]
Abstract
Microneedles have the clinical advantage of being able to deliver complex drugs across the skin in a convenient and comfortable manner yet haven't successfully transitioned to medical practice. Diabetes mellitus is a complicated disease, which is commonly treated with multiple daily insulin injections, contributing to poor treatment adherence. Firstly, this review determines the clinical prospect of microneedles, alongside considerations that ought to be addressed before microneedle technology can be translated from bench to bedside. Thereafter, we use diabetes as a case study to consider how microneedle-based-technology may be successfully harnessed. Here, publications referring to insulin microneedles were evaluated to understand whether insertion efficiency, angle of insertion, successful dose delivery, dose adjustability, material biocompatibility and therapeutic stability are being addressed in early stage research. Moreover, over 3,000 patents from 1970-2019 were reviewed with the search term '"microneedle" AND "insulin"' to understand the current status of the field. In conclusion, the reporting of early stage microneedle research demonstrated a lack of consistency relating to the translational factors addressed. Additionally, a more rational design, based on a patient-centred approach is required before microneedle-based delivery systems can be used to revolutionise the lives of people living with diabetes following regulatory approval.
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19
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Wang J, Zeng J, Liu Z, Zhou Q, Wang X, Zhao F, Zhang Y, Wang J, Liu M, Du R. Promising Strategies for Transdermal Delivery of Arthritis Drugs: Microneedle Systems. Pharmaceutics 2022; 14:pharmaceutics14081736. [PMID: 36015362 PMCID: PMC9416616 DOI: 10.3390/pharmaceutics14081736] [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: 07/16/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/16/2022] Open
Abstract
Arthritis is a general term for various types of inflammatory joint diseases. The most common clinical conditions are mainly represented by rheumatoid arthritis and osteoarthritis, which affect more than 4% of people worldwide and seriously limit their mobility. Arthritis medication generally requires long-term application, while conventional administrations by oral delivery or injections may cause gastrointestinal side effects and are inconvenient for patients during long-term application. Emerging microneedle (MN) technology in recent years has created new avenues of transdermal delivery for arthritis drugs due to its advantages of painless skin perforation and efficient local delivery. This review summarizes various types of arthritis and current therapeutic agents. The current development of MNs in the delivery of arthritis drugs is highlighted, demonstrating their capabilities in achieving different drug release profiles through different self-enhancement methods or the incorporation of nanocarriers. Furthermore, the challenges of translating MNs from laboratory studies to the clinical practice and the marketplace are discussed. This promising technology provides a new approach to the current drug delivery paradigm in treating arthritis in transdermal delivery.
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Affiliation(s)
- Jitong Wang
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jia Zeng
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai Engineering Research Center of Reproductive Health Drug and Devices, Shanghai 200032, China
| | - Zhidan Liu
- Department of Rehabilitation, Baoshan Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai 201999, China
| | - Qin Zhou
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xin Wang
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fan Zhao
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yu Zhang
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jiamiao Wang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Minchen Liu
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Correspondence: (M.L.); (R.D.)
| | - Ruofei Du
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- Correspondence: (M.L.); (R.D.)
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20
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Zhang XP, He YT, Li WX, Chen BZ, Zhang CY, Cui Y, Guo XD. An update on biomaterials as microneedle matrixes for biomedical applications. J Mater Chem B 2022; 10:6059-6077. [PMID: 35916308 DOI: 10.1039/d2tb00905f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Microneedles (MNs) have been developed for various applications such as drug delivery, cosmetics, diagnosis, and biosensing. To meet the requirements of MNs used in these areas, numerous materials have been used for the fabrication of MNs. However, MNs will be exposed to skin tissues after piercing the stratum corneum barrier. Thus, it is necessary to ensure that the matrix materials of MNs have the characteristics of low toxicity, good biocompatibility, biodegradability, and sufficient mechanical properties for clinical application. In this review, the matrix materials currently used for preparing MNs are summarized and reviewed in terms of these factors. In addition, MN products used on the market and their applications are summarized in the end. This work may provide some basic information to researchers in the selection of MN matrix materials and in developing new materials.
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Affiliation(s)
- Xiao Peng Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu Ting He
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Wen Xuan Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Bo Zhi Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Can Yang Zhang
- Biopharmaceutical and Health Engineering Division, Tsinghua Shenzhen International Graduate School, Shenzhen, 518055, China.
| | - Yong Cui
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing, 100029, P. R. China.
| | - Xin Dong Guo
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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21
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Ferroferric oxide loaded near-infrared triggered photothermal microneedle patch for controlled drug release. J Colloid Interface Sci 2022; 617:718-729. [DOI: 10.1016/j.jcis.2022.03.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 11/21/2022]
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22
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Chandran R, Mohd Tohit ER, Stanslas J, Salim N, Tuan Mahmood TM. Investigation and Optimization of Hydrogel Microneedles for Transdermal Delivery of Caffeine. Tissue Eng Part C Methods 2022; 28:545-556. [PMID: 35485888 DOI: 10.1089/ten.tec.2022.0045] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Caffeine is therapeutically effective for treating apnea, cellulite formation, and pain management. It also exhibits neuroprotective and antioxidant activities in different models of Parkinson's disease and Alzheimer's disease. However, caffeine administration in a minimally invasive and sustainable manner through the transdermal route is challenging owing to its hydrophilic nature. Therefore, this study demonstrated a transdermal delivery approach for caffeine by utilizing hydrogel microneedle (MN) as a permeation enhancer. The influence of formulation parameters such as molecular weight (MW) of PMVE/MA (polymethyl vinyl ether/maleic anhydride) copolymer and sodium bicarbonate (NaHCO3) concentration on the swelling kinetics and mechanical integrity of the hydrogel MNs was investigated. In addition, the effect of different MN application methods and needle densities of hydrogel MN on the skin insertion efficiency and penetration depth was also evaluated. The swelling degree at equilibrium percentage (% Seq) recorded for hydrogels fabricated with Gantrez S-97 (MW = 1,500,000 Da) was significantly higher than formulation with Gantrez AN-139 (MW = 1,080,000 Da). Increasing the concentration of NaHCO3 also significantly increased the % Seq. Moreover, a 100% penetration was recorded for both the applicator and combination of applicator and thumb pressure compared with only 11% for thumb pressure alone. The average diameter of micropores created by the applicator method was 62.94 μm, which was significantly lower than the combination of both applicator and thumb pressure MN application (100.53 μm). Based on histological imaging, the penetration depth of hydrogel MN increased as the MN density per array decreased. The hydrogel MN with the optimized formulation and skin insertion parameters was tested for caffeine delivery in an in vitro Franz diffusion cell setup. Approximately 2.9 mg of caffeine was delivered within 24 h, and the drug release profile was best fitted to the Korsmeyer-Peppas model, displaying Super Case II kinetics. In conclusion, a combination of thumb and impact application methods and reduced needle density improved the skin penetration efficiency of hydrogel MNs. The results also show that hydrogel MNs fabricated from 3% w/w NaHCO3 and high MW of copolymer exhibit optimum physical and swelling properties for enhanced transdermal delivery.
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Affiliation(s)
- Rubhan Chandran
- Haematology Unit, Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang, Malaysia
| | - Eusni Rahayu Mohd Tohit
- Haematology Unit, Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang, Malaysia
| | - Johnson Stanslas
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Norazlinaliza Salim
- Integrated Chemical Biophysics Research, Faculty of Science, Universiti Putra Malaysia, Serdang, Malaysia.,Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, Serdang, Malaysia
| | - Tuan Mazlelaa Tuan Mahmood
- Faculty of Pharmacy, The National University of Malaysia (UKM), Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia
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23
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Volpe-Zanutto F, Vora LK, Tekko IA, McKenna PE, Permana AD, Sabri AH, Anjani QK, McCarthy HO, Paredes AJ, Donnelly RF. Hydrogel-forming microarray patches with cyclodextrin drug reservoirs for long-acting delivery of poorly soluble cabotegravir sodium for HIV Pre-Exposure Prophylaxis. J Control Release 2022; 348:771-785. [PMID: 35738464 DOI: 10.1016/j.jconrel.2022.06.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/31/2022] [Accepted: 06/16/2022] [Indexed: 10/17/2022]
Abstract
Hydrogel-forming microarray patches (HF-MAPs) offer minimally invasive, pain-free and prolonged drug delivery. These devices are designed to be self-administered and self-disabling, avoiding contaminated sharps waste generation. Cabotegravir sodium (CAB-Na) is a poorly soluble anti- human immunodeficiency virus (HIV) drug for the treatment and pre-exposure prophylaxis of HIV infection that lends itself to depot formation following intradermal delivery but presents significant challenges when delivered via HF-MAPs, whose nature is aqueous. Herein, we have investigated, for the first time, the use of hydroxypropyl-β-cyclodextrin (HP-β-CD) to enhance the solubility of CAB-Na, and its effect on intradermal delivery via HF-MAPs. Accordingly, tablet reservoirs containing CAB-Na and HP-β-CD were formulated. These novel reservoirs were combined with two different HF-MAP formulations (MAP1 (Gantrez S97® + poly (ethylene glycol) 10,000 + Na2CO3) and MAP2 (poly (vinyl pyrrolidone) 58 kDa + poly (vinyl alcohol) 85-120 kDa + citric acid)) to form fully integrated MAP devices which were tested in both ex vivo and in vivo settings. Ex vivo skin deposition results for MAP1 and MAP2 showed that 141 ± 40 μg and 342 ± 34 μg of CAB-Na was deposited into 0.5 cm2 of excised neonatal porcine skin after 24 h, respectively. Based on these findings, the in vivo pharmacokinetics of MAP2 were investigated over 28 days using a Sprague-Dawley rat model. After 24 h patch application, MAP2 demonstrated an extended drug release profile and an observed Cmax of 53.4 ± 10.16 μg/mL, superior to that of an FDA-approved CAB-nanosuspension administered via intramuscular application (Cmax of 43.6 ± 5.3 μg/mL). Consequently, this tablet integrated MAP device is considered to be a viable option for the intradermal delivery of hydrophobic anti-HIV drugs.
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Affiliation(s)
- Fabiana Volpe-Zanutto
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; Faculty of Pharmaceutical Sciences, R. Cândido Portinari, 200 - Cidade Universitária, Campinas - SP, 13083-871, University of Campinas, Brazil
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ismaiel A Tekko
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; Faculty of Pharmacy, Aleppo University, Syria
| | - Peter E McKenna
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Andi Dian Permana
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutics, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Akmal H Sabri
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita K Anjani
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Alejandro J Paredes
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
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Detamornrat U, McAlister E, Hutton ARJ, Larrañeta E, Donnelly RF. The Role of 3D Printing Technology in Microengineering of Microneedles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106392. [PMID: 35362226 DOI: 10.1002/smll.202106392] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Microneedles (MNs) are minimally invasive devices, which have gained extensive interest over the past decades in various fields including drug delivery, disease diagnosis, monitoring, and cosmetics. MN geometry and shape are key parameters that dictate performance and therapeutic efficacy, however, traditional fabrication methods, such as molding, may not be able to offer rapid design modifications. In this regard, the fabrication of MNs using 3D printing technology enables the rapid creation of complex MN prototypes with high accuracy and offers customizable MN devices with a desired shape and dimension. Moreover, 3D printing shows great potential in producing advanced transdermal drug delivery systems and medical devices by integrating MNs with a variety of technologies. This review aims to demonstrate the advantages of exploiting 3D printing technology as a new tool to microengineer MNs. Various 3D printing methods are introduced, and representative MNs manufactured by such approaches are highlighted in detail. The development of advanced MN devices is also included. Finally, clinical translation and future perspectives for the development of MNs using 3D printing are discussed.
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Affiliation(s)
- Usanee Detamornrat
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Emma McAlister
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Aaron R J Hutton
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, UK
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25
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Mansoor I, Eassa HA, Mohammed KHA, Abd El-Fattah MA, Abdo MH, Rashad E, Eassa HA, Saleh A, Amin OM, Nounou MI, Ghoneim O. Microneedle-Based Vaccine Delivery: Review of an Emerging Technology. AAPS PharmSciTech 2022; 23:103. [PMID: 35381906 PMCID: PMC8982652 DOI: 10.1208/s12249-022-02250-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/06/2022] [Indexed: 12/23/2022] Open
Abstract
Vaccination has produced a great improvement to the global health by decreasing/eradicating many infectious diseases responsible for significant morbidity and mortality. Thanks to vaccines, many infections affecting childhood have been greatly decreased or even eradicated (smallpox, measles, and polio). That is why great efforts are made to achieve mass vaccination against COVID-19. However, developed vaccines face many challenges with regard to their safety and stability. Moreover, needle phobia could prevent a significant proportion of the population from receiving vaccines. In this context, microneedles (MNs) could potentially present a solution to address these challenges. MNs represent single dose administration systems that do not need reconstitution or cold-chain storage. Being self-administered, pain-free, and capable of producing superior immunogenicity makes them a more attractive alternative. This review explores microneedles’ types, safety, and efficacy in vaccine delivery. Preclinical and clinical studies for microneedle-based vaccines are discussed and patent examples are included.
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26
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Preparation, characterisation and comparison of glabridin-loaded hydrogel-forming microneedles by chemical and physical cross-linking. Int J Pharm 2022; 617:121612. [PMID: 35218899 DOI: 10.1016/j.ijpharm.2022.121612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/03/2022] [Accepted: 02/19/2022] [Indexed: 01/18/2023]
Abstract
Poly(vinyl alcohol) (PVA) and carbomer were used as the hydrogel system to fabricate glabridin-loaded hydrogel-forming microneedles (HFMNs) by chemical cross-linking (CCMNs) and physical cross-linking (PCMNs). The properties and drug permeation effect of glabridin-loaded HFMNs with different methods were compared. They both owned excellent shape, mechanical and insertion properties. PCMNs showed a collapsed shape during swelling due to the low cross-linking rate and high porosity, probably resulting in resealing of skin pores during transdermal delivery. However, CCMNs could rapidly swell within 2 h with slightly bending. The infrared spectra indicated that CCMNs and PCMNs might form the hydrogel network by generating hydrogen and covalent bonds, respectively. The in vitro release studies showed that cumulative permeation amount within 24 h (1654 μg/cm2) of CCMNs, significantly higher than that (372 μg/cm2) achieved by PCMNs and that (118 μg/cm2) achieved by glabridin-loaded gel. The skin barrier recovery test suggests the desirable security of both microneedles (MNs), notwithstanding the presence of mild erythema in the mouse skin applied CCMNs. These results indicated that CCMNs were more desirable for glabridin delivery using PVA and carbomer as a skeleton of the hydrogel network.
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Li M, Vora LK, Peng K, Donnelly RF. Trilayer microneedle array assisted transdermal and intradermal delivery of dexamethasone. Int J Pharm 2022; 612:121295. [PMID: 34785356 DOI: 10.1016/j.ijpharm.2021.121295] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/06/2021] [Accepted: 11/10/2021] [Indexed: 12/15/2022]
Abstract
Dexamethasone is a synthesised glucocorticoid that is widely used in the treatment of various inflammatory skin conditions. Novel trilayer dissolving microneedle arrays were manufactured to assist dexamethasone delivery via the skin. Both transdermal delivery and intradermal delivery of dexamethasone can be achieved this way. Additionally, we proposed a novel strategy of co-formulating dexamethasone and its pro-drug dexamethasone sodium phosphate into the same dissolving microneedle array, with a view to achieving a fast onset of action and also sustained treatment. Here, a 3D-printing technique was employed, for the first time, to fabricate a baseplate for these microneedle arrays. The 3D-printed baseplates provided strong support to aid the insertion of the drug-encapsulated tips. A simple and rapid HPLC method was developed, and validated, to separate and quantify dexamethasone and dexamethasone sodium phosphate in the same sample. Ex-vivo studies found that these trilayer dissolving microneedle arrays could achieve a delivery efficiency of over 40% in intradermal delivery and over 50% in transdermal delivery. Trilayer microneedle-assisted delivery of this glucocorticoid provided a promising alternative to oral and parenteral routes of dexamethasone administration.
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Affiliation(s)
- Mingshan Li
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ke Peng
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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28
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Altuntaş E, Tekko IA, Vora LK, Kumar N, Brodsky R, Chevallier O, McAlister E, Kurnia Anjani Q, McCarthy HO, Donnelly RF. Nestorone nanosuspension-loaded dissolving microneedles array patch: A promising novel approach for "on-demand" hormonal female-controlled peritcoital contraception. Int J Pharm 2021; 614:121422. [PMID: 34958899 DOI: 10.1016/j.ijpharm.2021.121422] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/17/2022]
Abstract
"On demand" hormonal female-controlled pericoital contraception is one strategy which could be used to minimize the impact of unintended pregnancy. Nestorone (NES) is a potent contraceptive, with relatively few side effects in comparison with other contraceptives. NES presents an attractive option for "on demand" pericoital contraceptive. Unfortunately, the drug is inactive if taken orally, but it has high progestational activity and antiovulatory potency if administered parenterally. Current drug delivery systems, such as a transdermal hydrogel are not so satisfactory. Dissolving microneedles array (DMNs) are an attractive alternative, minimally-invasive, delivery system. In this study, we report, for the first time, development of tip-loaded NES-nanosuspension (NES-NS)-loaded bilayer DMNs to deliver NES intradermally for subsequent release. NES-NS was prepared and optimised, freeze-dried and then used to fabricate DMNs using a blend of two biocompatible polymers, namely poly(vinyl alcohol) and poly(vinyl pyrrolidone). Both NES-NS and the NES-NS-loaded DMNs were fully characterised and the performance of the DMNs was evaluated in vivo using Sprague Dawley rats. Results showed that the finalised NES-NS had particle size and PDI values of 666.06 ± 1.86 nm and 0.183 ± 0.01, respectively. The NES-NS-DMNs had relatively high tips-localised drug loading (approximately 2.26 ± 1.98 mg/array) and exhibited satisfactory mechanical and insertion properties. In Sprague Dawley rats, DMNs delivered NES into the skin, with the drug then appearing in blood and rapidly reaching its maximum concentration (Cmax of 32.68 ± 14.06 ng/mL) within 1h post-DMNs application. Plasma levels above 3.4 ng/mL were maintained for 2 days. This suggests that DMNs are a promising drug delivery system that could be used to deliver NES as an "On demand" hormonal female-controlled pericoital contraceptive.
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Affiliation(s)
- Ebru Altuntaş
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK; Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, 34416, Fatih, Istanbul, Turkey
| | - Ismaiel A Tekko
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Aleppo University, Aleppo, Syria
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Narender Kumar
- Center for Biomedical Research, The Population Council, New York, NY, USA
| | - Rebecca Brodsky
- Center for Biomedical Research, The Population Council, New York, NY, USA
| | - Olivier Chevallier
- Avignon Université, Campus Jean-Henri Fabre, 301 rue Baruch de Spinoza BP 21239, 84911 Avignon cedex 9, France; Institute for Global Food Security, School of Biological Science, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, Northern Ireland, UK
| | - Emma McAlister
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, BT9 7BL, Northern Ireland, UK.
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29
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Sawutdeechaikul P, Kanokrungsee S, Sahaspot T, Thadvibun K, Banlunara W, Limcharoen B, Sansureerungsikul T, Rutwaree T, Oungeun M, Wanichwecharungruang S. Detachable dissolvable microneedles: intra-epidermal and intradermal diffusion, effect on skin surface, and application in hyperpigmentation treatment. Sci Rep 2021; 11:24114. [PMID: 34916571 PMCID: PMC8677736 DOI: 10.1038/s41598-021-03503-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/10/2021] [Indexed: 01/04/2023] Open
Abstract
Delivering bioactive compounds into skin tissue has long been a challenge. Using ex vivo porcine and rat skins, here we demonstrate that a detachable dissolvable microneedle (DDMN) array, a special dissolvable microneedle that allows needle detachment from the base within 2 min post administration, can effectively embed a model compound into epidermis and dermis. Diffusion of the compound from the needle embedding sites to the nearby skin tissue is demonstrated at various post administration periods. The relationship between the time that a conventional dissolvable microneedle array is left on skin without needle detachment from the base and the degree of skin surface abrasion at each microneedle penetration spot is also demonstrated on skin of human volunteers. Co-loading glutathione with vitamin C (vitC) can stabilize vitC in the DDMN. DDMN loaded with vitC and glutathione can help erasing post-acne-hyperpigmentation spots.
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Affiliation(s)
| | - Silada Kanokrungsee
- Faculty of Medicine, Skin Center, Srinakharinwirot University, Bangkok, Thailand
| | - Thanyapat Sahaspot
- Faculty of Medicine, Skin Center, Srinakharinwirot University, Bangkok, Thailand
| | - Kamonwan Thadvibun
- Faculty of Medicine, Skin Center, Srinakharinwirot University, Bangkok, Thailand
| | - Wijit Banlunara
- Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Materials and Bio-Interfaces, Chulalongkorn University, Bangkok, Thailand
| | - Benchaphorn Limcharoen
- Department of Anatomy, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Materials and Bio-Interfaces, Chulalongkorn University, Bangkok, Thailand
| | | | - Teeranut Rutwaree
- Mineed Technology, 142 Innovation Cluster 2, Thailand Science Park, Pathum Thani, Thailand
| | - Miranda Oungeun
- Department of Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Supason Wanichwecharungruang
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
- Center of Excellence in Materials and Bio-Interfaces, Chulalongkorn University, Bangkok, Thailand.
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30
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Nguyen TT, Nguyen TTD, Tran NMA, Nguyen HT, Vo GV. Microneedles enable the development of skin-targeted vaccines against coronaviruses and influenza viruses. Pharm Dev Technol 2021; 27:83-94. [PMID: 34802372 DOI: 10.1080/10837450.2021.2008967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Throughout the COVID-19 pandemic, many have seriously worried that the plus burden of seasonal influenza that might create a destructive scenario, resulting in overwhelmed healthcare capacities and onwards loss of life. Many efforts to develop a safe and efficacious vaccine to prevent infection by coronavirus and influenza, highlight the importance of vaccination to combat infectious pathogens. While vaccines are traditionally given as injections into the muscle, microneedle (MN) patches designed to precisely deliver cargos into the cutaneous microenvironment, rich in immune cells, provide a noninvasive and self-applicable vaccination approach, reducing overall costs and improving access to vaccines in places with limited supply. The current review aimed to highlight advances in research on the development of MNs-mediated cutaneous vaccine delivery. Concluding remarks and challenges on MNs-based skin immunization are also provided to contribute to the rational development of safe and effective MN-delivered vaccines against these emerging infectious diseases.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Pharmacy, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
| | - Thi Thuy Dung Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Nguyen-Minh-An Tran
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Giau Van Vo
- Department of Biomedical Engineering, School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam.,Research Center for Genetics and Reproductive Health (CGRH), School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam.,Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam
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31
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Diaferia C, Rosa E, Balasco N, Sibillano T, Morelli G, Giannini C, Vitagliano L, Accardo A. The Introduction of a Cysteine Residue Modulates The Mechanical Properties of Aromatic-Based Solid Aggregates and Self-Supporting Hydrogels. Chemistry 2021; 27:14886-14898. [PMID: 34498321 PMCID: PMC8596998 DOI: 10.1002/chem.202102007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Indexed: 12/15/2022]
Abstract
Peptide-based hydrogels, originated by multiscale self-assembling phenomenon, have been proposed as multivalent tools in different technological areas. Structural studies and molecular dynamics simulations pointed out the capability of completely aromatic peptides to gelificate if hydrophilic and hydrophobic forces are opportunely balanced. Here, the effect produced by the introduction of a Cys residue in the heteroaromatic sequence of (FY)3 and in its PEGylated variant was evaluated. The physicochemical characterization indicates that both FYFCFYF and PEG8-FYFCFYF are able to self-assemble in supramolecular nanostructures whose basic cross-β motif resembles the one detected in the ancestor (FY)3 assemblies. However, gelification occurs only for FYFCFYF at a concentration of 1.5 wt%. After cross-linking of cysteine residues, the hydrogel undergoes to an improvement of the rigidity compared to the parent (FY)3 assemblies as suggested by the storage modulus (G') that increases from 970 to 3360 Pa. The mechanical properties of FYFCFYF are compatible with its potential application in bone tissue regeneration. Moreover, the avalaibility of a Cys residue in the middle of the peptide sequence could allow the hydrogel derivatization with targeting moieties or with biologically relevant molecules.
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Affiliation(s)
- Carlo Diaferia
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB)University of Naples “Federico II”Via Mezzocannone 16Naples80134Italy
| | - Elisabetta Rosa
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB)University of Naples “Federico II”Via Mezzocannone 16Naples80134Italy
| | - Nicole Balasco
- Institute of Biostructures and Bioimaging (IBB), CNRVia Mezzocannone 1680134NaplesItaly
| | - Teresa Sibillano
- Institute of Crystallography (IC), CNRVia Amendola 12270126BariItaly
| | - Giancarlo Morelli
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB)University of Naples “Federico II”Via Mezzocannone 16Naples80134Italy
| | - Cinzia Giannini
- Institute of Crystallography (IC), CNRVia Amendola 12270126BariItaly
| | - Luigi Vitagliano
- Institute of Biostructures and Bioimaging (IBB), CNRVia Mezzocannone 1680134NaplesItaly
| | - Antonella Accardo
- Department of Pharmacy and Research Centre on Bioactive Peptides (CIRPeB)University of Naples “Federico II”Via Mezzocannone 16Naples80134Italy
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32
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Bandiwadekar A, Jose J, Khayatkashani M, Habtemariam S, Khayat Kashani HR, Nabavi SM. Emerging Novel Approaches for the Enhanced Delivery of Natural Products for the Management of Neurodegenerative Diseases. J Mol Neurosci 2021; 72:653-676. [PMID: 34697770 DOI: 10.1007/s12031-021-01922-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/22/2021] [Indexed: 12/14/2022]
Abstract
Neurodegenerative diseases (NDs) such as Alzheimer's disease, Parkinson's disease, Huntington disease, amyotrophic lateral sclerosis, and prion disease affect any part of the brain. The complete mechanism of ND is unknown, but there are some molecular mechanism and chemical process. Natural compounds have better compatibility with the human body along with lesser side effects. Moreover, several studies showed that various natural compounds have significant neuroprotective, potent antioxidant, and anti-inflammatory properties, which are effective for treating the different type of ND. In ND, natural compounds act by various mechanisms such as preventing the generation of reactive oxygen species (ROS), eliminating destructed biomolecules before their accumulation affects cell metabolism, and improving the disease conditions. But due to the presence of the blood-brain barrier (BBB) layer and unfavorable pharmacokinetic properties of natural compounds, their delivery into the brain is limited. To minimize this problem and enhance drug delivery into the brain with an effective therapeutic dose, there is a need to develop a practical novel approach. The various studies showed that nanoformulations and microneedles (MN) containing natural compounds such as quercetin, curcumin, resveratrol, chrysin, piperine, ferulic acid, huperzine A, berberine, baicalein, hesperetin, and retinoic acid effectively improved many ND. In this review, the effect of such natural drug-loaded nanoformulation and MN patches on ND management is discussed, along with their merits and demerits. This review aims to introduce different novel approaches for enhancing natural drug delivery into the brain to manage various neurodegenerative diseases.
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Affiliation(s)
- Akshay Bandiwadekar
- Department of Pharmaceutics, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed To Be University), Mangalore, 575018, Karnataka, India
| | - Jobin Jose
- Department of Pharmaceutics, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed To Be University), Mangalore, 575018, Karnataka, India.
| | - Maryam Khayatkashani
- School of Iranian Traditional Medicine, Tehran University of Medical Sciences, 14155-6559, Tehran, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories and Herbal Analysis Services, University of Greenwich, Central Avenue, Chatham-Maritime, UK
| | - Hamid Reza Khayat Kashani
- Department of Neurosurgery, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, 1617763141, Tehran, Iran
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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33
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Singh V, Kesharwani P. Recent advances in microneedles-based drug delivery device in the diagnosis and treatment of cancer. J Control Release 2021; 338:394-409. [PMID: 34481019 DOI: 10.1016/j.jconrel.2021.08.054] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 12/17/2022]
Abstract
Microneedles are unique, novel and an effective approach designed to deliver therapeutic agents and immunobiologicals in several diseases. These tiny needle patches are designed to load vaccine, small or large drug molecule, heavy molecular weighted proteins, genes, antibodies, nanoparticles and many more. These nanoparticles loaded microneedles deliver drugs deep within the skin near underlying neutrophils, langerhans and dendritic cells and induces required immunological response. With the drawbacks associated with conventional methods of cancer chemotherapy, the focus was shifted towards use of microneedles in not just anti-cancer vaccine/drug delivery but also for their early diagnosis. This delivery device is also suited for synergistic approaches such as chemotherapy or gene therapy combined with photothermal or photodynamic therapy. The painless self-administrative device offers an alternative over traditional routes of drug delivery including systemic administration via hypodermic needles. Additionally, these microneedles can be fabricated and altered in shape, size and geometry and the material polymer can be chosen depending on use and release mechanism. This review consolidates positive results obtained from studies done for different type of microneedle array in several tumor cell lines and animal models. It further highlights the use of biodegradable polymers such as hydrogel or any dissolving polymer that can be utilized for sustained codelivery of drug/vaccine to shun the need of multiple dosing. It covers the existing limitations that still needs to be resolved and further highlights on the future aspects of their use in cancer therapy.
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Affiliation(s)
- Vanshikha Singh
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India.
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Zhao L, Zhang C, Abu‐Ershaid JM, Li M, Li Y, Naser Y, Dai X, Abbate MTA, Donnelly RF. Smart Responsive Microarray Patches for Transdermal Drug Delivery and Biological Monitoring. Adv Healthc Mater 2021; 10:e2100996. [PMID: 34449129 DOI: 10.1002/adhm.202100996] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/15/2021] [Indexed: 12/12/2022]
Abstract
Traditional drug delivery routes possess various disadvantages which make them unsuitable for certain population groups, or indeed unsuitable for drugs with certain physicochemical properties. As a result, a variety of alternative drug delivery routes have been explored in recent decades, including transdermal drug delivery. One of the most promising novel transdermal drug delivery technologies is a microarray patch (MAP), which can bypass the outermost skin barrier and deliver drugs directly into the viable epidermis and dermis. Unlike traditional MAPs which release loaded cargo simultaneously upon insertion into the skin, stimuli responsive MAPs based on biological stimuli are able to precisely release the drug in response to the need for additional doses. Thus, smart MAPs that are only responsive to certain external stimuli are highly desirable, as they provide safer and more efficient drug delivery. In addition to drug delivery, they can also be used for biological monitoring, which further expands their applications.
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Affiliation(s)
- Li Zhao
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Chunyang Zhang
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | | | - Mingshan Li
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Yaocun Li
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Yara Naser
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Xianbing Dai
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Marco T. A. Abbate
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Ryan F. Donnelly
- School of Pharmacy Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
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35
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36
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The role of microneedle arrays in drug delivery and patient monitoring to prevent diabetes induced fibrosis. Adv Drug Deliv Rev 2021; 175:113825. [PMID: 34111467 DOI: 10.1016/j.addr.2021.06.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 05/05/2021] [Accepted: 06/04/2021] [Indexed: 02/07/2023]
Abstract
Diabetes affects approximately 450 million adults globally. If not effectively managed, chronic hyperglycaemia causes tissue damage that can develop into fibrosis. Fibrosis leads to end-organ complications, failure of organ systems occurs, which can ultimately cause death. One strategy to tackle end-organ complications is to maintain normoglycaemia. Conventionally, insulin is administered subcutaneously. Whilst effective, this delivery route shows several limitations, including pain. The transdermal route is a favourable alternative. Microneedle (MN) arrays are minimally invasive and painless devices that can enhance transdermal drug delivery. Convincing evidence is provided on MN-mediated insulin delivery. MN arrays can also be used as a diagnostic tool and monitor glucose levels. Furthermore, sophisticated MN array-based systems that integrate glucose monitoring and drug delivery into a single device have been designed. Therefore, MN technology has potential to revolutionise diabetes management. This review describes the current applications of MN technology for diabetes management and how these could prevent diabetes induced fibrosis.
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37
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Cao Z, Jin S, Wang P, He Q, Yang Y, Gao Z, Wang X. Microneedle based adipose derived stem cells-derived extracellular vesicles therapy ameliorates UV-induced photoaging in SKH-1 mice. J Biomed Mater Res A 2021; 109:1849-1857. [PMID: 34060700 DOI: 10.1002/jbm.a.37177] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 03/17/2021] [Accepted: 03/22/2021] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles from adipose derived stem cells (ADSCs-EVs) have shown immunomodulation and anti-photoaging effects; however, the skin barrier prevents their absorption via skin. Meanwhile, microneedle (MN) is a widely used and minimally invasive tool for dermal delivery of drugs, it also has neocollagenesis effect by creating tiny injuries and initiating wound healing process. To investigate the effect of MN combined with ADSCs-EVs on skin aging, photoaging in SKH-1 mice was induced by chronic exposure to ultraviolet radiation. Then the mice were treated following a split-dorsal scheme, in which one side had MN alone or MN + EVs treatment and the other side was left untreated. For the side treated with MN alone or MN + EVs, the epidermal thickness was decreased and the skin barrier function was enhanced compared with the untreated side. However, MN + EVs group showed the least wrinkles, the highest collagen density and the most organized collagen fibers among the three groups. The level of CD11b + cell infiltration was lower in MN + EVs group than that in the MN group at 3 day after the treatment. These results indicated that MN treatment alone could improve epidermal structure and function of photoaging skin, and a combination with ADSCs-EVs would accelerate the restoration of inflammation caused by MN and improve the content of collagen. In all, this study indicated that a combination of MN and topical applied ADSCs-EVs was a feasible and safe strategy to ameliorate photoaging, providing a new avenue for safe administration of EVs.
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Affiliation(s)
- Zhi Cao
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.,Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), Shanghai, Tongji Univeirsity School of Medicine, Shanghai, China, China
| | - Shengkai Jin
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.,Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), Shanghai, Tongji Univeirsity School of Medicine, Shanghai, China, China
| | - Peiru Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Qiumin He
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yuling Yang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Zhengliang Gao
- Yangzhi Rehabilitation Hospital (Shanghai Sunshine Rehabilitation Center), Shanghai, Tongji Univeirsity School of Medicine, Shanghai, China, China.,Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), School of Medicine, Shanghai University, Nantong, China.,Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai, China
| | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
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38
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Paredes AJ, Ramöller IK, McKenna PE, Abbate MT, Volpe-Zanutto F, Vora LK, Kilbourne-Brook M, Jarrahian C, Moffatt K, Zhang C, Tekko IA, Donnelly RF. Microarray patches: Breaking down the barriers to contraceptive care and HIV prevention for women across the globe. Adv Drug Deliv Rev 2021; 173:331-348. [PMID: 33831475 DOI: 10.1016/j.addr.2021.04.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 02/06/2023]
Abstract
Despite the existence of a variety of contraceptive products for women, as well as decades of research into the prevention and treatment of human immunodeficiency virus (HIV), there is still a globally unmet need for easily accessible, acceptable, and affordable products to protect women's sexual and reproductive health. Microarray patches (MAPs) are a novel platform being developed for the delivery of hormonal contraception and antiretroviral drugs. MAPs provide enhanced drug delivery to the systemic circulation via the transdermal route when compared to transdermal patches, oral and injectable formulations. These minimally invasive patches can be self-administered by the user, reducing the burden on health care personnel. Since MAPs represent needle-free drug delivery, no sharps waste is generated after application, thereby eliminating possible MAP reuse and risk of needle-stick injuries. This review discusses the administration of contraceptive and antiretroviral drugs using MAPs, their acceptability by end-users, and the future perspective of the field.
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39
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Microarray patches enable the development of skin-targeted vaccines against COVID-19. Adv Drug Deliv Rev 2021; 171:164-186. [PMID: 33539853 PMCID: PMC8060128 DOI: 10.1016/j.addr.2021.01.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/10/2021] [Accepted: 01/27/2021] [Indexed: 12/13/2022]
Abstract
The COVID-19 pandemic is a serious threat to global health and the global economy. The ongoing race to develop a safe and efficacious vaccine to prevent infection by SARS-CoV-2, the causative agent for COVID-19, highlights the importance of vaccination to combat infectious pathogens. The highly accessible cutaneous microenvironment is an ideal target for vaccination since the skin harbors a high density of antigen-presenting cells and immune accessory cells with broad innate immune functions. Microarray patches (MAPs) are an attractive intracutaneous biocargo delivery system that enables safe, reproducible, and controlled administration of vaccine components (antigens, with or without adjuvants) to defined skin microenvironments. This review describes the structure of the SARS-CoV-2 virus and relevant antigenic targets for vaccination, summarizes key concepts of skin immunobiology in the context of prophylactic immunization, and presents an overview of MAP-mediated cutaneous vaccine delivery. Concluding remarks on MAP-based skin immunization are provided to contribute to the rational development of safe and effective MAP-delivered vaccines against emerging infectious diseases, including COVID-19.
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40
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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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41
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GhavamiNejad A, Lu B, Samarikhalaj M, Liu JF, Mirzaie S, Pereira S, Zhou L, Giacca A, Wu XY. Transdermal delivery of a somatostatin receptor type 2 antagonist using microneedle patch technology for hypoglycemia prevention. Drug Deliv Transl Res 2021; 12:792-804. [PMID: 33683625 DOI: 10.1007/s13346-021-00944-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/08/2021] [Indexed: 12/19/2022]
Abstract
Hypoglycemia is a serious and potentially fatal complication experienced by people with insulin-dependent diabetes. The complication is usually caused by insulin overdose, skipping meals, and/or excessive physical activities. In type 1 diabetes (T1D), on top of impaired pancreatic α-cells, excessive levels of somatostatin from δ-cells further inhibit glucagon secretion to counteract overdosed insulin. Herein, we aimed to develop a microneedle (MN) patch for transdermal delivery of a peptide (PRL-2903) that antagonizes somatostatin receptor type 2 (SSTR2) in α-cells. First, we investigated the efficacy of subcutaneously administered PRL-2903 and identified the optimal dose (i.e., the minimum effective dose) and treatment scheduling (i.e., the best administration time for hypoglycemia prevention) in a T1D rat model. We then designed an MN patch using a hyaluronic acid (HA)-based polymer. The possible effect of the polymer on stabilizing the native structure of PRL-2903 was studied by molecular dynamics (MD) simulations. The results showed that the HA-based polymer could stabilize the PRL-2903 structure by restricting water molecules, promoting intra-molecular H-bonding, and constraining torsional angles of important bonds. In vivo studies with an overdose insulin challenge revealed that the PRL-2903-loaded MN patch effectively increased the plasma glucagon level, restored the counter-regulation of blood glucose concentration, and prevented hypoglycemia. The proposed MN patch is the first demonstration of a transdermal microneedle patch designed to deliver an SSTR2 antagonist for the prevention of hypoglycemia. This counter-regulatory peptide delivery system may be applied alongside with insulin delivery systems to provide a more effective and safer treatment for people with insulin-dependent diabetes.
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Affiliation(s)
- Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Brian Lu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Melisa Samarikhalaj
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Jackie Fule Liu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Sako Mirzaie
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Sandra Pereira
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Liwei Zhou
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Adria Giacca
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Xiao Yu Wu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S 3M2, Canada.
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42
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Zhang XP, Wang BB, Li WX, Fei WM, Cui Y, Guo XD. In vivo safety assessment, biodistribution and toxicology of polyvinyl alcohol microneedles with 160-day uninterruptedly applications in mice. Eur J Pharm Biopharm 2021; 160:1-8. [DOI: 10.1016/j.ejpb.2021.01.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/31/2020] [Accepted: 01/12/2021] [Indexed: 12/25/2022]
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43
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Transdermal electroosmotic flow generated by a porous microneedle array patch. Nat Commun 2021; 12:658. [PMID: 33510169 PMCID: PMC7843990 DOI: 10.1038/s41467-021-20948-4] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 12/22/2020] [Indexed: 01/22/2023] Open
Abstract
A microneedle array is an attractive option for a minimally invasive means to break through the skin barrier for efficient transdermal drug delivery. Here, we report the applications of solid polymer-based ion-conductive porous microneedles (PMN) containing interconnected micropores for improving iontophoresis, which is a technique of enhancing transdermal molecular transport by a direct current through the skin. The PMN modified with a charged hydrogel brings three innovative advantages in iontophoresis at once: (1) lowering the transdermal resistance by low-invasive puncture of the highly resistive stratum corneum, (2) transporting of larger molecules through the interconnected micropores, and (3) generating electroosmotic flow (EOF). In particular, the PMN-generated EOF greatly enhances the transdermal molecular penetration or extraction, similarly to the flow induced by external pressure. The enhanced efficiencies of the EOF-assisted delivery of a model drug (dextran) and of the extraction of glucose are demonstrated using a pig skin sample. Furthermore, the powering of the PMN-based transdermal EOF system by a built-in enzymatic biobattery (fructose / O2 battery) is also demonstrated as a possible totally organic iontophoresis patch.
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44
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Enhancement strategies for transdermal drug delivery systems: current trends and applications. Drug Deliv Transl Res 2021; 12:758-791. [PMID: 33474709 PMCID: PMC7817074 DOI: 10.1007/s13346-021-00909-6] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2021] [Indexed: 12/11/2022]
Abstract
Transdermal drug delivery systems have become an intriguing research topic in pharmaceutical technology area and one of the most frequently developed pharmaceutical products in global market. The use of these systems can overcome associated drawbacks of other delivery routes, such as oral and parenteral. The authors will review current trends, and future applications of transdermal technologies, with specific focus on providing a comprehensive understanding of transdermal drug delivery systems and enhancement strategies. This article will initially discuss each transdermal enhancement method used in the development of first-generation transdermal products. These methods include drug/vehicle interactions, vesicles and particles, stratum corneum modification, energy-driven methods and stratum corneum bypassing techniques. Through suitable design and implementation of active stratum corneum bypassing methods, notably microneedle technology, transdermal delivery systems have been shown to deliver both low and high molecular weight drugs. Microneedle technology platforms have proven themselves to be more versatile than other transdermal systems with opportunities for intradermal delivery of drugs/biotherapeutics and therapeutic drug monitoring. These have shown that microneedles have been a prospective strategy for improving transdermal delivery systems.
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45
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McAlister E, Kearney MC, Martin EL, Donnelly RF. From the laboratory to the end-user: a primary packaging study for microneedle patches containing amoxicillin sodium. Drug Deliv Transl Res 2021; 11:2169-2185. [PMID: 33452653 PMCID: PMC8421291 DOI: 10.1007/s13346-020-00883-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2020] [Indexed: 11/24/2022]
Abstract
Abstract As microneedle (MN) patches progress towards commercialisation, there is a need to address issues surrounding their translation from the laboratory to the end-user. One important aspect of MN patches moving forward is appropriate primary packaging. This research focuses on MN patches containing amoxicillin (AMX) sodium for the potential treatment of neonatal sepsis in hot and humid countries. A MN patch consists of a hydrogel-forming MN array and a drug-containing reservoir. Improper primary packaging in hot and humid countries may result in degradation of active pharmaceutical ingredients, with the use of substandard medicines a major health concern. The research presented here, for the first time, seeks to investigate the integrity of MN patches in different primary packaging when stored under accelerated storage conditions, according to international guidelines. At pre-defined intervals, the performance of the MN patch was investigated. Major causes of drug instability are moisture and temperature. To avoid unnecessary degradation, suitable primary packaging was sought. After 168 days, the percentage of AMX sodium recovered from drug-containing reservoirs packaged in Protect™ 470 foil was 103.51 ± 7.03%. However, packaged in poly(ester) foil, the AMX sodium content decreased significantly (p = 0.0286), which is likely due to the degradation of AMX sodium by the imbibed moisture. Therefore, convincing evidence was provided as to the importance of investigating the stability of MN patches in primary packaging intended for MN-mediated transdermal delivery so that they are ‘fit for purpose’ when it reaches the end-user. Future work will include qualitative studies to assess MN patch usability. Graphical abstract ![]()
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Affiliation(s)
- Emma McAlister
- Chair in Pharmaceutical Technology, School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Mary-Carmel Kearney
- Chair in Pharmaceutical Technology, School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - E Linzi Martin
- Chair in Pharmaceutical Technology, School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Ryan F Donnelly
- Chair in Pharmaceutical Technology, School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.
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46
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Permana AD, Nainu F, Moffatt K, Larrañeta E, Donnelly RF. Recent advances in combination of microneedles and nanomedicines for lymphatic targeted drug delivery. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1690. [PMID: 33401339 DOI: 10.1002/wnan.1690] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 12/19/2022]
Abstract
Numerous diseases have been reported to affect the lymphatic system. As such, several strategies have been developed to deliver chemotherapeutics to this specific network of tissues and associated organs. Nanotechnology has been exploited as one of the main approaches to improve the lymphatic uptake of drugs. Different nanoparticle approaches utilized for both active and passive targeting of the lymphatic system are discussed here. Specifically, due to the rich abundance of lymphatic capillaries in the dermis, particular attention is given to this route of administration, as intradermal administration could potentially result in higher lymphatic uptake compared to other routes of administration. Recently, progress in microneedle research has attracted particular attention as an alternative for the use of conventional hypodermic injections. The benefits of microneedles, when compared to intradermal injection, are subsequently highlighted. Importantly, microneedles exhibit particular benefit in relation to therapeutic targeting of the lymphatic system, especially when combined with nanoparticles, which are further discussed. However, despite the apparent benefits provided by this combination approach, further comprehensive preclinical and clinical studies are now necessary to realize the potential extent of this dual-delivery platform, further taking into consideration eventual usability and acceptability in the intended patient end-users. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
| | - Firzan Nainu
- Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Kurtis Moffatt
- School of Pharmacy, Queen's University Belfast, Belfast, UK
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47
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Turner JG, White LR, Estrela P, Leese HS. Hydrogel-Forming Microneedles: Current Advancements and Future Trends. Macromol Biosci 2020; 21:e2000307. [PMID: 33241641 DOI: 10.1002/mabi.202000307] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/21/2020] [Indexed: 12/17/2022]
Abstract
In this focused progress review, the recent developments and trends of hydrogel-forming microneedles (HFMs) and potential future directions are presented. Previously, microneedles (solid, hollow, coated, and dissolving microneedles) have primarily been used to enhance the effectiveness of transdermal drug delivery to facilitate a wide range of applications such as vaccinations and antibiotic delivery. However, the recent trend in microneedle development has resulted in microneedles formed from hydrogels which have the ability to offer transdermal drug delivery and, due to the hydrogel swelling nature, passively extract interstitial fluid from the skin, meaning they have the potential to be used for biocompatible minimally invasive monitoring devices. Thus, in this review, these recent trends are highlighted, which consolidate microneedle design considerations, hydrogel formulations, fabrication processes, applications of HFMs and the potential future opportunities for utilizing HFMs for personalized healthcare monitoring and treatment.
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Affiliation(s)
- Joseph G Turner
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK.,Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
| | - Leah R White
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Pedro Estrela
- Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK.,Department of Electronic and Electrical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Hannah S Leese
- Materials for Health Lab, Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK.,Centre for Biosensors, Bioelectronics and Biodevices (C3Bio), University of Bath, Bath, BA2 7AY, UK
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48
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Ramadon D, Permana AD, Courtenay AJ, McCrudden MTC, Tekko IA, McAlister E, Anjani QK, Utomo E, McCarthy HO, Donnelly RF. Development, Evaluation, and Pharmacokinetic Assessment of Polymeric Microarray Patches for Transdermal Delivery of Vancomycin Hydrochloride. Mol Pharm 2020; 17:3353-3368. [PMID: 32706591 DOI: 10.1021/acs.molpharmaceut.0c00431] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) can cause harmful and potentially deadly infections. Vancomycin remains the first-line antibiotic treatment for MRSA-derived infections. Nevertheless, as a peptide drug, it is poorly absorbed when administered orally because of its high molecular weight and low permeability in the gastrointestinal tract and is therefore administered intravenously for the treatment of systemic diseases. In order to circumvent some of the many drawbacks associated with intravenous injection, other routes of drug delivery should be investigated. One of the strategies which has been employed to enhance transdermal drug delivery is based on microarray patches (MAPs). This work, for the first time, describes successful transdermal delivery of vancomycin hydrochloride (VCL) using dissolving MAPs (DMAPs) and hydrogel-forming MAPs (HFMAPs). VCL was formulated into DMAPs and reservoirs [film dosage forms, lyophilized wafers, and compressed tablets (CSTs)] using excipients such as poly(vinyl pyrrolidone), poly(vinyl alcohol), sodium hyaluronate, d-sorbitol, and glycerol. In this study, HFMAPs were manufactured using aqueous blends containing poly(methylvinyl ether-co-maleic acid) cross-linked by esterification with poly(ethylene glycol). The VCL-loaded CSTs (60% w/w VCL) were the most promising reservoirs to be integrated with HFMAPs based on the physicochemical evaluations performed. Both HFMAPs and DMAPs successfully delivered VCL in ex vivo studies with the percentage of drug that permeated across the neonatal porcine skin recorded at 46.39 ± 8.04 and 7.99 ± 0.98%, respectively. In in vivo studies, the area under the plasma concentration time curve from time zero to infinity (AUC0-∞) values of 162.04 ± 61.84 and 61.01 ± 28.50 μg h/mL were achieved following the application of HFMAPs and DMAPs, respectively. In comparison, the AUC0-∞ of HFMAPs was significantly greater than that of the oral administration control group, which showed an AUC0-∞ of 30.50 ± 9.18 μg h/mL (p < 0.05). This work demonstrates that transdermal delivery of VCL is feasible using DMAPs and HFMAPs and could prove effective in the treatment of infectious diseases caused by MRSA, such as skin and soft tissue infections, lymphatic-related infections, and neonatal sepsis.
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Affiliation(s)
- Delly Ramadon
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom.,Faculty of Pharmacy, Universitas Indonesia, Depok 16424, Indonesia
| | - Andi Dian Permana
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom.,Department of Pharmaceutics, Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Aaron J Courtenay
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom.,School of Pharmacy and Pharmaceutical Sciences, Ulster University, Coleraine BT52 1SA, United Kingdom
| | - Maelíosa T C McCrudden
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Ismaiel A Tekko
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom.,Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Aleppo University, Aleppo 12289, Syria
| | - Emma McAlister
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Emilia Utomo
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
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49
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Development and characterisation of novel poly (vinyl alcohol)/poly (vinyl pyrrolidone)-based hydrogel-forming microneedle arrays for enhanced and sustained transdermal delivery of methotrexate. Int J Pharm 2020; 586:119580. [DOI: 10.1016/j.ijpharm.2020.119580] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
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50
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Recent advances on microneedle arrays-mediated technology in cancer diagnosis and therapy. Drug Deliv Transl Res 2020; 11:788-816. [PMID: 32740799 DOI: 10.1007/s13346-020-00819-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Regarding the increasing prevalence of cancer throughout the globe, the development of novel alternatives for conventional therapies is inevitable to circumvent limitations such as low efficacy, complications, and high cost. Recently, microneedle arrays (MNs) have been introduced as a novel, minimally invasive, and low-cost approach. MNs can delivery both small molecule and macromolecular drugs or even nanoparticles (NPs) to the tumor tissue in a safe and controlled manner. Relying on the recent promising outcomes of MNs in transdermal delivery of anticancer agents, this review is aimed to summarize constituent materials, fabrication methods, advantages, and limitations of different types of MNs used in cancer therapy applications. This review paper also presents the potential use of MNs in transdermal delivery of NPs for effective chemotherapy, gene therapy, immunotherapy, photodynamic, and photothermal therapy. Additionally, MNs are currently explored as routine point-of-care health monitoring devices for transdermal detection of cancer biomarkers or physiologically relevant analytes which will be addressed in this paper. Despite the promising potential of MNs for cancer therapy and diagnosis, several limitations have impeded their therapeutic efficacy and real-time applicability that are addressed in this paper.
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