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Li D, Hu D, Xu H, Patra HK, Liu X, Zhou Z, Tang J, Slater N, Shen Y. Progress and perspective of microneedle system for anti-cancer drug delivery. Biomaterials 2020; 264:120410. [PMID: 32979655 DOI: 10.1016/j.biomaterials.2020.120410] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023]
Abstract
Transdermal drug delivery exhibited encouraging prospects, especially through superficial drug administration routes. However, only a few limited lipophilic drug molecules could cross the skin barrier, those are with low molecular weight and rational Log P value. Microneedles (MNs) can overcome these limitations to deliver numerous drugs into the dermal layer by piercing the outermost skin layer of the body. In the case of superficial cancer treatments, topical drug administration faces severely low transfer efficiency, and systemic treatments are always associated with side effects and premature drug degradation. MN-based systems have achieved excellent technical capabilities and been tested for pre-clinical chemotherapy, photothermal therapy, photodynamic therapy, and immunotherapy. In this review, we will focus on the features, progress, and opportunities of MNs in the anticancer drug delivery system. Then, we will discuss the strategies and advantages in these works and summarize challenges, perspectives, and translational potential for future applications.
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Affiliation(s)
- Dongdong Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Doudou Hu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hongxia Xu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hirak K Patra
- Wolfson College, University of Cambridge, Cambridge, CB3 9BB, United Kingdom; Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Xiangrui Liu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zhuxian Zhou
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jianbin Tang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Nigel Slater
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, United Kingdom
| | - Youqing Shen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
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Ingrole RSJ, Gill HS. Microneedle Coating Methods: A Review with a Perspective. J Pharmacol Exp Ther 2019; 370:555-569. [PMID: 31175217 DOI: 10.1124/jpet.119.258707] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023] Open
Abstract
A coated microneedle array comprises sharp micrometer-sized needle shafts attached to a base substrate and coated with a drug on their surfaces. Coated microneedles are under investigation for drug delivery into the skin and other tissues, and a broad assortment of active materials, including small molecules, peptides, proteins, deoxyribonucleic acids, and viruses, have been coated onto microneedles. To coat the microneedles, different methods have been developed. Some coating methods achieve selective coating of just the microneedle shafts, whereas other methods coat not only microneedle shafts but also the array base substrate. Selective coating of just the microneedle shafts is more desirable since it provides control over drug dosage, prevents drug waste, and offers high delivery efficiency. Different excipients are added to the coating liquid to modulate its viscosity and surface tension in order to achieve uniform coatings on microneedles. Coated microneedles have been used in a broad range of biomedical applications. To highlight these different applications, a table summarizing the different active materials and the amounts coated on microneedles is provided. We also discuss factors that should be considered when deciding suitability of coated microneedles for new-drug delivery applications. In recent years, many coated microneedles have been investigated in human clinical trials, and there is now a strong effort to bring the first coated microneedle-based product to market.
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Affiliation(s)
- Rohan S J Ingrole
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas
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Kapałczyńska M, Kolenda T, Przybyła W, Zajączkowska M, Teresiak A, Filas V, Ibbs M, Bliźniak R, Łuczewski Ł, Lamperska K. 2D and 3D cell cultures - a comparison of different types of cancer cell cultures. Arch Med Sci 2018; 14:910-919. [PMID: 30002710 PMCID: PMC6040128 DOI: 10.5114/aoms.2016.63743] [Citation(s) in RCA: 439] [Impact Index Per Article: 73.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 06/27/2016] [Indexed: 02/07/2023] Open
Abstract
Cell culture is a widely used in vitro tool for improving our understanding of cell biology, tissue morphology, and mechanisms of diseases, drug action, protein production and the development of tissue engineering. Most research regarding cancer biology is based on experiments using two-dimensional (2D) cell cultures in vitro. However, 2D cultures have many limitations, such as the disturbance of interactions between the cellular and extracellular environments, changes in cell morphology, polarity, and method of division. These disadvantages led to the creation of models which are more closely able to mimic conditions in vivo. One such method is three-dimensional culture (3D). Optimisation of the culture conditions may allow for a better understanding of cancer biology and facilitate the study of biomarkers and targeting therapies. In this review, we compare 2D and 3D cultures in vitro as well as different versions of 3D cultures.
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Affiliation(s)
- Marta Kapałczyńska
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Tomasz Kolenda
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
- Postgraduate School of Molecular Medicine, University of Warsaw, Warsaw, Poland
| | - Weronika Przybyła
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Maria Zajączkowska
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Anna Teresiak
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Violetta Filas
- Department of Tumour Pathology, Greater Poland Cancer Centre, Poznan, Poland
| | - Matthew Ibbs
- Department of Tumour Pathology, Greater Poland Cancer Centre, Poznan, Poland
| | - Renata Bliźniak
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Łukasz Łuczewski
- Department of Head and Neck Surgery, Greater Poland Cancer Centre, Poznan University of Medical Sciences, Poznan, Poland
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Drug coated microneedles for minimally-invasive treatment of oral carcinomas: development and in vitro evaluation. Biomed Microdevices 2016; 17:44. [PMID: 25787934 DOI: 10.1007/s10544-015-9944-y] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Treatment of recurring oral cancers is challenging as common surgical approaches are not feasible for these patients. In addition, these patients do not respond well to systemic chemotherapy. Localized intratumoral injection of anti-cancer drugs is considered to be an attractive alternative treatment approach for these patients. However, conventional hypodermic injections result in poor distribution of the drug in the tumor and leakage of the drug from the injection site to systemic circulation, in addition to causing pain to the patient. The objective of this study was to develop coated microneedles as a novel device for direct and minimally invasive intratumoral delivery of anti-cancer drugs. Poly(lactic-co-glycolic) acid (PLGA) nanoparticles encapsulating doxorubicin (DOX) were prepared and coated on inplane (1D) microneedles. Microscopic evaluation of 3D tissue phantoms and porcine cadaver buccal tissues that were treated with 1D microneedle arrays coated with DOX-PLGA nanoparticles demonstrated that DOX could diffuse both laterally and vertically in to the tissues and produced cellular cytotoxicity. Out of plane (2D) microneedle arrays measuring 1 cm x 1 cm with 57 microneedles coated with free DOX could produce uniform distribution of DOX in a porcine cadaver buccal tissue up to a depth greater than 3 mm. Hypodermic injection of different volumes in to a porcine buccal tissue confirmed significant leakage of the injected volume (about 25% of the injected 80 μl). In summary, this study demonstrates that drug coated microneedles is an attractive microscale device that can uniformly and effectively deliver drugs to localized oral cancers. This microscale device has potential to impact the treatment of oral cancer patients.
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Ita K. Transdermal Delivery of Drugs with Microneedles-Potential and Challenges. Pharmaceutics 2015; 7:90-105. [PMID: 26131647 PMCID: PMC4588187 DOI: 10.3390/pharmaceutics7030090] [Citation(s) in RCA: 254] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 06/24/2015] [Accepted: 06/24/2015] [Indexed: 12/14/2022] Open
Abstract
Transdermal drug delivery offers a number of advantages including improved patient compliance, sustained release, avoidance of gastric irritation, as well as elimination of pre-systemic first-pass effect. However, only few medications can be delivered through the transdermal route in therapeutic amounts. Microneedles can be used to enhance transdermal drug delivery. In this review, different types of microneedles are described and their methods of fabrication highlighted. Microneedles can be fabricated in different forms: hollow, solid, and dissolving. There are also hydrogel-forming microneedles. A special attention is paid to hydrogel-forming microneedles. These are innovative microneedles which do not contain drugs but imbibe interstitial fluid to form continuous conduits between dermal microcirculation and an attached patch-type reservoir. Several microneedles approved by regulatory authorities for clinical use are also examined. The last part of this review discusses concerns and challenges regarding microneedle use.
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Affiliation(s)
- Kevin Ita
- College of Pharmacy, Touro University, Mare Island-Vallejo, CA 94592, USA.
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Ma Y, Gill HS. Coating solid dispersions on microneedles via a molten dip-coating method: development and in vitro evaluation for transdermal delivery of a water-insoluble drug. J Pharm Sci 2014; 103:3621-3630. [PMID: 25213295 PMCID: PMC4374630 DOI: 10.1002/jps.24159] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 08/12/2014] [Accepted: 08/15/2014] [Indexed: 11/11/2022]
Abstract
This study demonstrates for the first time the ability to coat solid dispersions on microneedles as a means to deliver water-insoluble drugs through the skin. Polyethylene glycol (PEG) was selected as the hydrophilic matrix, and lidocaine base was selected as the model hydrophobic drug to create the solid dispersion. First, thermal characterization and viscosity measurements of the PEG-lidocaine mixture at different mass fractions were performed. The results show that lidocaine can remain stable at temperatures up to ∼130°C and that viscosity of the PEG-lidocaine molten solution increases as the mass fraction of lidocaine decreases. Differential scanning calorimetry demonstrated that at lidocaine mass fraction less than or equal to 50%, lidocaine is well dispersed in the PEG-lidocaine mixture. Uniform coatings were obtained on microneedle surfaces. In vitro dissolution studies in porcine skin showed that microneedles coated with PEG-lidocaine dispersions resulted in significantly higher delivery of lidocaine in just 3 min compared with 1 h topical application of 0.15 g EMLA®, a commercial lidocaine-prilocaine cream. In conclusion, the molten coating process we introduce here offers a practical approach to coat water-insoluble drugs on microneedles for transdermal delivery.
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Affiliation(s)
- Yunzhe Ma
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409
| | - Harvinder S Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409.
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