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Guo P, Huang C, Yang Q, Zhong G, Zhang J, Qiu M, Zeng R, Gou K, Zhang C, Qu Y. Advances in Formulations of Microneedle System for Rheumatoid Arthritis Treatment. Int J Nanomedicine 2023; 18:7759-7784. [PMID: 38144510 PMCID: PMC10743780 DOI: 10.2147/ijn.s435251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/05/2023] [Indexed: 12/26/2023] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic joint inflammation, eventually leading to severe disability and premature death. At present, the treatment of RA is mainly to reduce inflammation, swelling, and pain. Commonly used drugs are non-steroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and disease-modifying anti-rheumatic drugs (DMARDs). These drugs lack specificity and require long-term, high-dose administration, which can cause serious adverse effects. In addition, the oral, intravenous, and intra-articular injections will reduce patient compliance, resulting in high cost and low bioavailability. Due to these limitations, microneedles (MNs) have emerged as a new strategy to efficiently localize the drugs in inflamed joints for the treatment of RA. MNs can overcome the cuticle barrier of the skin without stimulating nerves and blood vessels. Which can increase patient compliance, improve bioavailability, and avoid systemic circulation. This review summarizes and evaluates the application of MNs in RA, especially dissolving MNs (DMNs). We encourage the use of MNs to treat RA, by describing the general properties of MNs, materials, preparation technology, drug release mechanism, and advantages. Furthermore, we discussed the biological safety, development prospects, and future challenges of MNs, hoping to provide a new strategy for the treatment of RA.
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Affiliation(s)
- Peng Guo
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Chi Huang
- Department of Pharmacy, Jiang’an Hospital of Traditional Chinese Medicine, Yibin, 644200, People’s Republic of China
| | - Qin Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Guofeng Zhong
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Junbo Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Mengyu Qiu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Rui Zeng
- Institute of Tibetan Plateau, Southwest Minzu University, Chengdu, 610225, People’s Republic of China
| | - Kaijun Gou
- Institute of Tibetan Plateau, Southwest Minzu University, Chengdu, 610225, People’s Republic of China
| | - Chen Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
| | - Yan Qu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
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Camelo RM, Barbosa MM, Henriques LCM, Martin AP, Godman B, Guerra Júnior AA, Acurcio FDA, Alvares-Teodoro J. Emicizumab prophylaxis for people with hemophilia A: Waste estimation and the Brazilian perspective. Saudi Pharm J 2023; 31:101867. [PMID: 38028212 PMCID: PMC10661532 DOI: 10.1016/j.jsps.2023.101867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 11/05/2023] [Indexed: 12/01/2023] Open
Abstract
Costs of hemophilia A treatment are increasing. Waste of clotting products should be avoided. To estimate the first-year waste of emicizumab prophylaxis for people with hemophilia A and inhibitors (PwHAi) who failed immune tolerance induction (ITI), in Brazil. We evaluated the manufacturer and the Brazilian Ministry of Health (MoH) protocol-recommended regimens in a budget impact model. The loading dose consisted of 3.0 mg/kg/Q1W for 4 weeks, for both recommendations. The manufacturer maintenance regimens comprised 1.5 mg/kg/Q1W, 3.0 mg/kg/Q2W, and 6.0 mg/kg/Q4W. The MoH protocol maintenance regimen encompassed a hybrid Q1W/Q2W administration, depending on the body weight. The Q4W regimen was not recommended by the MoH protocol. Analyses were performed to estimate waste given its expense based on the World Health Organization body weight range (percentiles [P] 15, 50, and 85). The first-year emicizumab waste was estimated individually and for the disclosed PwHAi who failed ITI (n = 114). The highest emicizumab waste was estimated for the lowest body weights and the Q1W regimen. The Q4W regimen resulted in the lowest emicizumab waste, followed by the MoH protocol regimen. The total reconstituted costs estimated for the PwHAi who failed ITI according to the hybrid MoH protocol ranged from US$32,858,777 (P15) to US$47,186,858 (P85), with emicizumab waste ranging from 7.9 % (US$2,594,515) to 3.7 % (US$1,738,750), respectively. Lost resources due to current protocols for emicizumab prophylaxis for PwHAi who failed ITI in Brazil are considerable. Waste was more pronounced due to lower body weight and shorter administration intervals.
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Affiliation(s)
| | | | | | - Antony Paul Martin
- QC Medica, Liverpool, United Kingdom
- Faculty of Health and Life Science, University of Liverpool, Liverpool, United Kindgom
| | - Brian Godman
- Department of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, Glasgow, United Kingdom
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Olowe M, Parupelli SK, Desai S. A Review of 3D-Printing of Microneedles. Pharmaceutics 2022; 14:2693. [PMID: 36559187 PMCID: PMC9786808 DOI: 10.3390/pharmaceutics14122693] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Microneedles are micron-sized devices that are used for the transdermal administration of a wide range of active pharmaceutics substances with minimally invasive pain. In the past decade, various additive manufacturing technologies have been used for the fabrication of microneedles; however, they have limitations due to material compatibility and bioavailability and are time-consuming and expensive processes. Additive manufacturing (AM), which is popularly known as 3D-printing, is an innovative technology that builds three-dimensional solid objects (3D). This article provides a comprehensive review of the different 3D-printing technologies that have the potential to revolutionize the manufacturing of microneedles. The application of 3D-printed microneedles in various fields, such as drug delivery, vaccine delivery, cosmetics, therapy, tissue engineering, and diagnostics, are presented. This review also enumerates the challenges that are posed by the 3D-printing technologies, including the manufacturing cost, which limits its viability for large-scale production, the compatibility of the microneedle-based materials with human cells, and concerns around the efficient administration of large dosages of loaded microneedles. Furthermore, the optimization of microneedle design parameters and features for the best printing outcomes is of paramount interest. The Food and Drug Administration (FDA) regulatory guidelines relating to the safe use of microneedle devices are outlined. Finally, this review delineates the implementation of futuristic technologies, such as artificial intelligence algorithms, for 3D-printed microneedles and 4D-printing capabilities.
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Affiliation(s)
- Michael Olowe
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Santosh Kumar Parupelli
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Salil Desai
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
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An update on microneedle in insulin delivery: Quality attributes, clinical status and challenges for clinical translation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Drug delivery with dissolving microneedles: Skin puncture, its influencing factors and improvement strategies. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Diagnostic and drug release systems based on microneedle arrays in breast cancer therapy. J Control Release 2021; 338:341-357. [PMID: 34428480 DOI: 10.1016/j.jconrel.2021.08.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 12/22/2022]
Abstract
Microneedle arrays have recently received much attention as cancer detection and treatment platforms, because invasive injections and detection of the biopsy are not needed, and drug metabolism by the liver, as well as adverse effects of systemic drug administration, are diminished. Microneedles have been used for diagnosis, vaccination, and in targeted drug delivery of breast cancer. In this review, we summarize the recent progress in diagnosis and targeted drug delivery for breast cancer treatment, using microneedle arrays to deliver active molecules through the skin. The results not only suggest that health and well-being of patients are improved, but also that microneedle arrays can deliver anticancer compounds in a relatively noninvasive manner, based on body weight, breast tumor size, and circulation time of the drug. Moreover, microneedles could allow simultaneous loading of multiple drugs and enable controlled release, thus effectively optimizing or preventing drug-drug interactions. This review is designed to encourage the use of microneedles for diagnosis and treatment of breast cancer, by describing general properties of microneedles, materials used for construction, mechanism of action, and principal benefits. Ongoing challenges and future perspectives for the application of microneedle array systems in breast cancer detection and treatment are highlighted.
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Nadia Ahmad NF, Nik Ghazali NN, Wong YH. Wearable patch delivery system for artificial pancreas health diagnostic-therapeutic application: A review. Biosens Bioelectron 2021; 189:113384. [PMID: 34090154 DOI: 10.1016/j.bios.2021.113384] [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: 04/09/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 12/13/2022]
Abstract
The advanced stimuli-responsive approaches for on-demand drug delivery systems have received tremendous attention as they have great potential to be integrated with sensing and multi-functional electronics on a flexible and stretchable single platform (all-in-one concept) in order to develop skin-integration with close-loop sensation for personalized diagnostic and therapeutic application. The wearable patch pumps have evolved from reservoir-based to matrix patch and drug-in-adhesive (single-layer or multi-layer) type. In this review, we presented the basic requirements of an artificial pancreas, surveyed the design and technologies used in commercial patch pumps available on the market and provided general information about the latest wearable patch pump. We summarized the various advanced delivery strategies with their mechanisms that have been developed to date and representative examples. Mechanical, electrical, light, thermal, acoustic and glucose-responsive approaches on patch form have been successfully utilized in the controllable transdermal drug delivery manner. We highlighted key challenges associated with wearable transdermal delivery systems, their research direction and future development trends.
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Affiliation(s)
- Nur Farrahain Nadia Ahmad
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603, Kuala Lumpur, Malaysia; School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
| | - Nik Nazri Nik Ghazali
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Yew Hoong Wong
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603, Kuala Lumpur, Malaysia.
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Abstract
Dermal interstitial fluid (ISF) is a novel source of biomarkers that can be considered as an alternative to blood sampling for disease diagnosis and treatment. Nevertheless, in vivo extraction and analysis of ISF are challenging. On the other hand, microneedle (MN) technology can address most of the challenges associated with dermal ISF extraction and is well suited for long-term, continuous ISF monitoring as well as in situ detection. In this review, we first briefly summarise the different dermal ISF collection methods and compare them with MN methods. Next, we elaborate on the design considerations and biocompatibility of MNs. Subsequently, the fabrication technologies of various MNs used for dermal ISF extraction, including solid MNs, hollow MNs, porous MNs, and hydrogel MNs, are thoroughly explained. In addition, different sensing mechanisms of ISF detection are discussed in detail. Subsequently, we identify the challenges and propose the possible solutions associated with ISF extraction. A detailed investigation is provided for the transport and sampling mechanism of ISF in vivo. Also, the current in vitro skin model integrated with the MN arrays is discussed. Finally, future directions to develop a point-of-care (POC) device to sample ISF are proposed.
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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: 129] [Impact Index Per Article: 43.0] [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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Sohng C, Lee EH, Woo SK, Kim JY, Park KD, Lee SJ, Lee WJ. Usefulness of home-use microneedle devices in the treatment of pattern hair loss. J Cosmet Dermatol 2020; 20:591-596. [PMID: 32516497 DOI: 10.1111/jocd.13540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/10/2020] [Accepted: 06/02/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Microneedle devices have been used to reduce scarring and wrinkling as well as for the treatment of pattern hair loss. AIMS Here, we investigated the efficacy and safety of a newly developed home-use microneedle device for the treatment of pattern hair loss. METHODS Twenty-nine patients were assigned into three groups based on block randomization: home-use microneedle device only, a combination of home-use microneedle device and 5% minoxidil solution and 5% minoxidil topical solution only. Each treatment was performed twice a week. The study outcomes included hair counts, patient self-assessments, and adverse events at baseline and at 6 months. Statistical analyses were performed using analysis of variance (ANOVA), repeated measures ANOVA and Kruskal-Wallis test. RESULTS The improvements in hair count were seen in the combination group at month 6, but the differences observed did not reach statistical significance in each group and among the three groups. The patient self-assessment showed the highest score in the combination group, but it did not reveal a statistically significant difference among the three groups. Mild and transient pruritus were reported by one patient who was using the microneedle device only. CONCLUSIONS Our study shows that the home-use microneedle device may be a safe and 5% minoxidil solution penetration-enhancing therapeutic modality for stimulating hair growth.
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Affiliation(s)
- Chihyeon Sohng
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Eun Hye Lee
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Soo Kyeong Woo
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Jun Young Kim
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Kyung Duck Park
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Seok-Jong Lee
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Weon Ju Lee
- Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
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12
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Abstract
Drug delivery through the skin by transdermal patches has a long history. Subsequent growth of transdermal science proved prominent utility of transdermal systems meant for passive diffusion of the drug. It was followed by the development of iontophoresis- and sonophoresis-based transdermal delivery systems. Microneedle array has now caught attention of the investigators owing to its immense utility in transdermal delivery of very large molecules with ionic and hydrophilic nature. In this technical note, we present the current scenario, applications, and recent advances in microneedle array-based delivery of the most critical molecules through the skin. The application of microneedle has widely been investigated, and these technologies are being developed for the delivery of bio-therapeutics, bio-macromolecules, insulin, growth hormones, immunobiologicals, proteins, siRNA, and peptides. Potential of microneedles to transform the global transdermal market is highlighted in terms of the success rate of the microneedle technologies in clinical trials reaching to the global market. The arrival of the commercial microneedle-based products in the market is highly anticipated as they have potential to portray remarkable impact on clinical medicine in near future.
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Fabrication and finite element analysis of stereolithographic 3D printed microneedles for transdermal delivery of model dyes across human skin in vitro. Eur J Pharm Sci 2019; 137:104976. [DOI: 10.1016/j.ejps.2019.104976] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 06/09/2019] [Accepted: 06/25/2019] [Indexed: 11/20/2022]
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Chen J, Wang M, Ye Y, Yang Z, Ruan Z, Jin N. Fabrication of sponge-forming microneedle patch for rapidly sampling interstitial fluid for analysis. Biomed Microdevices 2019; 21:63. [PMID: 31273475 DOI: 10.1007/s10544-019-0413-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Microneedle (MN) patch has been used for collecting dermal interstitial fluid (ISF) containing biomarkers from patients with safety, pain-free and easy-to-use manner. However, long sampling time for biomarkers analysis still poses a significant challenge. Here, we describe a new sponge-forming MN patch consisting of polyvinyl formal (PVF) for rapidly extracting ISF from skin. Owing to the supreme water affinity of PVF, this MN patch can extract 1.6 mg ISF in 1 min without the assistance of extra devices, which remarkably facilitates timely analysis. The MN patch had preserved structural integrity in the swelling hydrated state without leaving residues in skin after usage, and the treated skin recovered within 8 h. More importantly, the extracted ISF can be efficiently recovered from the MN patch by simple centrifugation for the subsequent offline analysis of biomarkers such as glucose and cholesterol. Our results reveal that the new sponge-forming MN patch holds considerable promise for minimally invasive sampling ISF for biomarkers detection in real-life situations.
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Affiliation(s)
- Jianmin Chen
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China. .,Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine (Putian University), Fujian Province University, Fujian, China.
| | - Meixia Wang
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China
| | - Yaling Ye
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China
| | - Zhouyan Yang
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China
| | - Zhipeng Ruan
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China.,Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine (Putian University), Fujian Province University, Fujian, China
| | - Nan Jin
- School of Pharmacy and Medical Technology, Putian University, Fujian, 351100, China.,Key Laboratory of Pharmaceutical Analysis and Laboratory Medicine (Putian University), Fujian Province University, Fujian, China
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Depthwise-controlled scleral insertion of microneedles for drug delivery to the back of the eye. Eur J Pharm Biopharm 2018; 133:31-41. [DOI: 10.1016/j.ejpb.2018.09.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 09/21/2018] [Accepted: 09/24/2018] [Indexed: 01/24/2023]
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Omolu A, Bailly M, Day RM. Assessment of solid microneedle rollers to enhance transmembrane delivery of doxycycline and inhibition of MMP activity. Drug Deliv 2017; 24:942-951. [PMID: 28618841 PMCID: PMC8241162 DOI: 10.1080/10717544.2017.1337826] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Many chronic wounds exhibit high matrix metalloproteinase (MMP) activity that impedes the normal wound healing process. Intradermal delivery (IDD) of sub-antimicrobial concentrations of doxycycline, as an MMP inhibitor, could target early stages of chronic wound development and inhibit further wound progression. To deliver doxycycline intradermally, the skin barrier must be disrupted. Microneedle rollers offer a minimally invasive technique to penetrate the skin by creating multiple microchannels that act as temporary conduits for drugs to diffuse through. In this study, an innovative and facile approach for delivery of doxycycline across Strat-MTM membrane was investigated using microneedle rollers. The quantity and rate of doxycycline diffusing through the micropores directly correlated with increasing microneedle lengths (250, 500 and 750 μm). Treatment of Strat-MTM with microneedle rollers resulted in a reduction in fibroblast-mediated collagen gel contraction and MMP activity compared with untreated Strat-MTM. Our results show that treatment of an epidermal mimetic with microneedle rollers provides sufficient permeabilization for doxycycline diffusion and inhibition of MMP activity. We conclude that microneedle rollers are a promising, clinically ready tool suitable for delivery of doxycycline intradermally to treat chronic wounds.
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Affiliation(s)
- Abbie Omolu
- a Applied Biomedical Engineering Group, Division of Medicine , University College London , London , UK
| | | | - Richard M Day
- a Applied Biomedical Engineering Group, Division of Medicine , University College London , London , UK
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Mendes M, Nunes SCC, Sousa JJ, Pais AACC, Vitorino C. Expanding Transdermal Delivery with Lipid Nanoparticles: A New Drug-in-NLC-in-Adhesive Design. Mol Pharm 2017; 14:2099-2115. [DOI: 10.1021/acs.molpharmaceut.7b00211] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- M. Mendes
- Faculty
of Pharmacy, University of Coimbra, Coimbra, Portugal
- Pharmacometrics
Group of the Centre for Neurosciences and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - S. C. C. Nunes
- Coimbra
Chemistry Center, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - J. J. Sousa
- Faculty
of Pharmacy, University of Coimbra, Coimbra, Portugal
- Pharmacometrics
Group of the Centre for Neurosciences and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - A. A. C. C. Pais
- Coimbra
Chemistry Center, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - C. Vitorino
- Faculty
of Pharmacy, University of Coimbra, Coimbra, Portugal
- Pharmacometrics
Group of the Centre for Neurosciences and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
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18
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Modelling drug flux through microporated skin. J Control Release 2016; 241:194-199. [DOI: 10.1016/j.jconrel.2016.09.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 09/05/2016] [Accepted: 09/24/2016] [Indexed: 11/23/2022]
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20
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Rapid implantation of dissolving microneedles on an electrospun pillar array. Biomaterials 2015; 64:70-7. [DOI: 10.1016/j.biomaterials.2015.06.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 06/03/2015] [Indexed: 11/19/2022]
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21
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Serrano G, Almudéver P, Serrano JM, Cortijo J, Faus C, Reyes M, Expósito I, Torrens A, Millán F. Microneedling dilates the follicular infundibulum and increases transfollicular absorption of liposomal sepia melanin. Clin Cosmet Investig Dermatol 2015; 8:313-8. [PMID: 26170707 PMCID: PMC4489818 DOI: 10.2147/ccid.s77228] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Encapsulation of chemicals in liposomes and microneedling are currently used techniques to enhance the penetration of several substances through skin and hair. In this study, we apply a liposomal melanin–fluorescein compound to an ex vivo model of human skin, using a new electrical microneedling device (Nanopore turbo roller). The product was applied by hand massage (A) or with the assistance of the electrical roller for 2 minutes (B). An additional test was performed free of product and with only the E-roller (C). Histological changes and product absorption were evaluated by optical and fluorescent microscopy 60 and 90 minutes after the treatment. Site B showed larger deposits of melanin–fluorescein at superficial and deep levels of hair structures in comparison to site A. Light, epidermal deposits of the melanin–fluorescein complex were also observed. Sites B and C showed a significant widening (47%) of the follicular infundibulum which could explain the increased penetration of the formulation. Microneedling also removed the scales and sebum residues in the neighborhood of the infundibulum. Targeting hair follicles with melanin may be useful to dye poorly pigmented hairs, improving laser hair removal. The procedure accelerates the delivery of melanin into hair structures allowing an even absorption, larger pigment deposits, and deeper penetration of the formulation into the hair.
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Affiliation(s)
- Gabriel Serrano
- Clínica Dermatológica Serrano, University of Valencia, Valencia, Spain
| | | | - Juan M Serrano
- Research and Development Department, Sesderma Laboratories, Valencia, Spain
| | - Julio Cortijo
- Department of Pharmacology, University of Valencia, Valencia, Spain
| | - Carmen Faus
- Clínica Dermatológica Serrano, University of Valencia, Valencia, Spain
| | - Magda Reyes
- Clínica Dermatológica Serrano, University of Valencia, Valencia, Spain
| | | | - Ana Torrens
- Research and Development Department, Sesderma Laboratories, Valencia, Spain
| | - Fernando Millán
- Clínica Dermatológica Serrano, University of Valencia, Valencia, Spain
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22
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Li H, Low YSJ, Chong HP, Zin MT, Lee CY, Li B, Leolukman M, Kang L. Microneedle-Mediated Delivery of Copper Peptide Through Skin. Pharm Res 2015; 32:2678-89. [PMID: 25690343 DOI: 10.1007/s11095-015-1652-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 02/05/2015] [Indexed: 12/12/2022]
Abstract
PURPOSE Copper peptide (GHK-Cu) plays an important role in skin regeneration and wound healing. However, its skin absorption remains challenging due to its hydrophilicity. Here we use polymeric microneedle array to pre-treat skin to enhance GHK-Cu skin penetration. METHODS Two in vitro skin models were used to assess the capability of microneedles in facilitating skin delivery of GHK-Cu. Histological assay and confocal laser scanning microscopy were performed to characterize and quantify the microconduits created by the microneedles inside skin. Cellular and porcine models were used to evaluate the safety of microneedle-assisted copper peptide delivery. RESULTS The depth and percentage of microneedle penetration were correlated with application forces, which in turn influenced the extent of enhancement in the skin permeability of GHK-Cu. In 9 h, 134 ± 12 nanomoles of peptide and 705 ± 84 nanomoles of copper permeated though the microneedle treated human skin, while almost no peptide or copper permeated through intact human skin. No obvious signs of skin irritation were observed with the use of GHK-Cu after microneedle pretreatment. CONCLUSIONS It is effective and safe to enhance the skin permeation of GHK-Cu by using microneedles. This approach may be useful to deliver similar peptides or minerals through skin.
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Affiliation(s)
- Hairui Li
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, Singapore, 117543
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23
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Stahl J, Kietzmann M. The effects of chemical and physical penetration enhancers on the percutaneous permeation of lidocaine through equine skin. BMC Vet Res 2014; 10:138. [PMID: 24950611 PMCID: PMC4078091 DOI: 10.1186/1746-6148-10-138] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 06/10/2014] [Indexed: 11/25/2022] Open
Abstract
Background The effect of physical and chemical permeation enhancers on in vitro transdermal permeation of lidocaine was investigated in the horse. Therefore, the effect of six vehicles (phosphate-buffered saline (PBS), 50% ethanol, 50% propylene glycol, 50% isopropylalcohol, 50% isopropylalcohol/isopropylmyristate and 50% dimethylsulfoxide) was examined as well as the effect of microneedle pretreatment with different needle lengths on transdermal drug delivery of lidocaine. The skin was obtained from the thorax of six Warmblood horses and was stored up to two weeks at - 20°C. Franz-type diffusion cells were used to study the transdermal permeation through split skin (600 μm thickness). The amount of lidocaine in the receptor fluid was determined by UV–VIS high-performance liquid chromatography. Results All investigated vehicle supplementations diminished the transdermal flux of lidocaine through equine skin in comparison to pure PBS except dimethylsulfoxide, which resulted in comparable permeation rates to PBS. The maximum flux (Jmax) was 1.6-1.8 fold lower for lidocaine applied in 50% ethanol, propylene glycol, isopropylalcohol and isopropylalcohol/isopropylmyristate. A significant higher Jmax of lidocaine was observed when lidocaine was applied in PBS onto microneedle pretreated skin with similar permeation rates in both needle lengths. After 6 hours, 1.7 fold higher recovery rates were observed in the microneedle pretreated skin samples than in the untreated control samples. The lagtimes were reduced to 20–50% in the microneedle pretreated skin samples. Conclusion Microneedles represent a promising tool for transdermal lidocaine application in the horse with a rapid systemic bioavailability.
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Affiliation(s)
- Jessica Stahl
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, Foundation, Buenteweg 17, 30559, Hannover, Germany.
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24
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Chen J, Qiu Y, Zhang S, Yang G, Gao Y. Controllable coating of microneedles for transdermal drug delivery. Drug Dev Ind Pharm 2013; 41:415-22. [DOI: 10.3109/03639045.2013.873447] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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25
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Elastic modulus and viscoelastic properties of full thickness skin characterised at micro scales. Biomaterials 2013; 34:2087-97. [DOI: 10.1016/j.biomaterials.2012.11.035] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Accepted: 11/14/2012] [Indexed: 11/24/2022]
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26
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Kim HM, Lim YY, An JH, Kim MN, Kim BJ. Transdermal drug delivery using disk microneedle rollers in a hairless rat model. Int J Dermatol 2012; 51:859-63. [PMID: 22715835 DOI: 10.1111/j.1365-4632.2011.05343.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Transdermal drug delivery systems (TDDSs) represent more reliable and consistent methods of drug dosing than oral administration. However, TDDSs can administer only low molecular weight (MW) drugs and require a power source. Disk microneedle rollers facilitate the passage of low and high MW substances through the direct perforation of the stratum corneum and dermis, without stimulating dermal nerves. OBJECTIVES We investigated in vitro whether disk microneedle rollers, developed for the Diskneedle Therapy System (DTS™) in South Korea, can deliver drugs effectively through the skin of hairless rats. METHODS The disk microneedle rollers used in the DTS™ are metal and consist of several plates bearing microneedles of graded lengths (0.15 mm, 0.25 mm, 0.50 mm). To test in vitro permeation, the skin of a hairless rat was mounted in a Franz diffusion cell system and rolled with a disk roller without microneedles and with rollers fitted with microneedles of each size. Rhodamine B base (80 μl) was applied to the skin for 24 hours, 48 hours, and 72 hours, and dye permeation was detected at 543 nm. Dye binding to the skin was also confirmed using fluorescence microscopy at six hours after the application of rhodamine B. RESULTS Use of the disk microneedle roller increased the skin penetrance of rhodamine B base in hairless rats in accordance with microneedle length, as assessed using a fluorescence penetration test. CONCLUSIONS Disk microneedle rollers, as designed for the DTS™, can be used for transdermal drug delivery. Microneedles can be selected according to the length appropriate for each application.
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Affiliation(s)
- Hyeong Mi Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, South Korea
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27
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Stahl J, Wohlert M, Kietzmann M. Microneedle pretreatment enhances the percutaneous permeation of hydrophilic compounds with high melting points. BMC Pharmacol Toxicol 2012; 13:5. [PMID: 22947102 PMCID: PMC3506268 DOI: 10.1186/2050-6511-13-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 08/13/2012] [Indexed: 11/30/2022] Open
Abstract
Background Two commercially available microneedle rollers with a needle length of 200 μm and 300 μm were selected to examine the influence of microneedle pretreatment on the percutaneous permeation of four non-steroidal anti-inflammatory drugs (diclofenac, ibuprofen, ketoprofen, paracetamol) with different physicochemical drug characteristics in Franz-type diffusion cells. Samples of the receptor fluids were taken at predefined times over 6 hours and were analysed by UV–VIS high-performance liquid-chromatography. Histological examinations after methylene blue application were additionally performed to gather information about barrier disruption. Results Despite no visible pores in the stratum corneum, the microneedle pretreatment resulted in a twofold (200 μm) and threefold higher (300 μm) flux through the pretreated skin samples compared to untreated skin samples for ibuprofen and ketoprofen (LogKow > 3, melting point < 100°C). The flux of the hydrophilic compounds diclofenac and paracetamol (logKow < 1, melting point > 100°C) increased their amount by four (200 μm) to eight (300 μm), respectively. Conclusion Commercially available microneedle rollers with 200–300 μm long needles enhance the drug delivery of topically applied non-steroidal anti-inflammatory drugs and represent a valuable tool for percutaneous permeation enhancement particularly for substances with poor permeability due to a hydrophilic nature and high melting points.
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Affiliation(s)
- Jessica Stahl
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, Foundation, Buenteweg 17, Hannover 30559, Germany.
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Qin G, Gao Y, Wu Y, Zhang S, Qiu Y, Li F, Xu B. Simultaneous basal-bolus delivery of fast-acting insulin and its significance in diabetes management. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2012; 8:221-7. [DOI: 10.1016/j.nano.2011.05.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Revised: 04/29/2011] [Accepted: 05/30/2011] [Indexed: 12/29/2022]
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29
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Kis EE, Winter G, Myschik J. Devices for intradermal vaccination. Vaccine 2012; 30:523-38. [DOI: 10.1016/j.vaccine.2011.11.020] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 11/02/2011] [Accepted: 11/06/2011] [Indexed: 01/26/2023]
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Bariya SH, Gohel MC, Mehta TA, Sharma OP. Microneedles: an emerging transdermal drug delivery system. J Pharm Pharmacol 2011; 64:11-29. [PMID: 22150668 DOI: 10.1111/j.2042-7158.2011.01369.x] [Citation(s) in RCA: 221] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES One of the thrust areas in drug delivery research is transdermal drug delivery systems (TDDS) due to their characteristic advantages over oral and parenteral drug delivery systems. Researchers have focused their attention on the use of microneedles to overcome the barrier of the stratum corneum. Microneedles deliver the drug into the epidermis without disruption of nerve endings. Recent advances in the development of microneedles are discussed in this review for the benefit of young scientists and to promote research in the area. KEY FINDINGS Microneedles are fabricated using a microelectromechanical system employing silicon, metals, polymers or polysaccharides. Solid coated microneedles can be used to pierce the superficial skin layer followed by delivery of the drug. Advances in microneedle research led to development of dissolvable/degradable and hollow microneedles to deliver drugs at a higher dose and to engineer drug release. Iontophoresis, sonophoresis and electrophoresis can be used to modify drug delivery when used in concern with hollow microneedles. Microneedles can be used to deliver macromolecules such as insulin, growth hormones, immunobiologicals, proteins and peptides. Microneedles containing 'cosmeceuticals' are currently available to treat acne, pigmentation, scars and wrinkles, as well as for skin tone improvement. SUMMARY Literature survey and patents filled revealed that microneedle-based drug delivery system can be explored as a potential tool for the delivery of a variety of macromolecules that are not effectively delivered by conventional transdermal techniques.
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Affiliation(s)
- Shital H Bariya
- Department of Pharmaceutics and Pharmaceutical Technology, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India.
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Micro Electromechanical Systems (MEMS) Based Microfluidic Devices for Biomedical Applications. Int J Mol Sci 2011; 12:3648-704. [PMID: 21747700 PMCID: PMC3131584 DOI: 10.3390/ijms12063648] [Citation(s) in RCA: 164] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2011] [Revised: 05/03/2011] [Accepted: 05/19/2011] [Indexed: 01/01/2023] Open
Abstract
Micro Electromechanical Systems (MEMS) based microfluidic devices have gained popularity in biomedicine field over the last few years. In this paper, a comprehensive overview of microfluidic devices such as micropumps and microneedles has been presented for biomedical applications. The aim of this paper is to present the major features and issues related to micropumps and microneedles, e.g., working principles, actuation methods, fabrication techniques, construction, performance parameters, failure analysis, testing, safety issues, applications, commercialization issues and future prospects. Based on the actuation mechanisms, the micropumps are classified into two main types, i.e., mechanical and non-mechanical micropumps. Microneedles can be categorized according to their structure, fabrication process, material, overall shape, tip shape, size, array density and application. The presented literature review on micropumps and microneedles will provide comprehensive information for researchers working on design and development of microfluidic devices for biomedical applications.
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Skin needling to enhance depigmenting serum penetration in the treatment of melasma. PLASTIC SURGERY INTERNATIONAL 2011; 2011:158241. [PMID: 22567235 PMCID: PMC3335478 DOI: 10.1155/2011/158241] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Revised: 01/20/2011] [Accepted: 02/15/2011] [Indexed: 02/03/2023]
Abstract
Melasma is a common hypermelanotic disorder affecting the facial area which has a considerable psychological impact on the patient. Managing melasma is a difficult challenge that requires long-term treatment with a number of topical agents, such as rucinol and sophora-alpha. Aims. We aim to compare the combined treatment of skin needling and depigmenting serum with that using depigmenting serum alone in the treatment of melasma, in order to evaluate the use of microneedles as a means to enhance the drug's transdermal penetration. Methods. Twenty patients were treated with combined skin needling and depigmenting serum on one side of the face and with depigmenting serum alone on the other side. The outcome was evaluated periodically for up to two months using the Melasma Area Severity Index score and the Spectrocolorimeter X-Rite 968. Results. The side with combined treatment (skin needling + depigmenting serum) presented a statistically significant reduction in MASI score and luminosity index (L) levels compared to the side treated with depigmenting serum alone, and clinical symptoms were significantly improved. Conclusions. Our study suggests the potential use of combining skin needling with rucinol and sophora-alpha compounds to achieve better results in melasma treatment compared to rucinol and sophora-alpha alone.
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Yan G, Warner KS, Zhang J, Sharma S, Gale BK. Evaluation needle length and density of microneedle arrays in the pretreatment of skin for transdermal drug delivery. Int J Pharm 2010; 391:7-12. [DOI: 10.1016/j.ijpharm.2010.02.007] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2009] [Revised: 01/13/2010] [Accepted: 02/08/2010] [Indexed: 11/29/2022]
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Zhang S, Qin G, Wu Y, Gao Y, Qiu Y, Li F, Xu B. Enhanced Bioavailability of L-Carnitine After Painless Intradermal Delivery vs. Oral Administration in Rats. Pharm Res 2010; 28:117-23. [DOI: 10.1007/s11095-010-0109-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2009] [Accepted: 03/01/2010] [Indexed: 10/19/2022]
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Wu Y, Gao Y, Qin G, Zhang S, Qiu Y, Li F, Xu B. Sustained release of insulin through skin by intradermal microdelivery system. Biomed Microdevices 2010; 12:665-71. [DOI: 10.1007/s10544-010-9419-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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37
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In vivo evaluation of a microneedle-based miniature syringe for intradermal drug delivery. Biomed Microdevices 2009; 11:943-50. [DOI: 10.1007/s10544-009-9311-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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