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Zhao C, Wu Z, Pan B, Zhang R, Golestani A, Feng Z, Ge Y, Yang H. Functional biomacromolecules-based microneedle patch for the treatment of diabetic wound. Int J Biol Macromol 2024; 267:131650. [PMID: 38636756 DOI: 10.1016/j.ijbiomac.2024.131650] [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: 12/27/2023] [Revised: 04/13/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
Diabetic wounds are a common complication of diabetes. The prolonged exposure to high glucose and oxidative stress in the wound environment increases the risk of bacterial infection and abnormal angiogenesis, leading to amputation. Microneedle patches have shown promise in promoting the healing of diabetic wounds through transdermal drug delivery. These patches target the four main aspects of diabetic wound treatment: hypoglycemia, antibacterial action, inflammatory regulation, and tissue regeneration. By overcoming the limitations of traditional administration methods, microneedle patches enable targeted therapy for deteriorated tissues. The design of these patches extends beyond the selection of needle tip material and biomacromolecule encapsulated drugs; it can also incorporate near-infrared rays to facilitate cascade reactions and treat diabetic wounds. In this review, we comprehensively summarize the advantages of microneedle patches compared to traditional treatment methods. We focus on the design and mechanism of these patches based on existing experimental articles in the field and discuss the potential for future research on microneedle patches.
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Affiliation(s)
- Chenyu Zhao
- School of Intelligent Medicine, China Medical University, Shenyang 110122, China; Department of China Medical University, The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Zhaoqi Wu
- Department of China Medical University, The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Boyue Pan
- Department of China Medical University, The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Ruihan Zhang
- Department of China Medical University, The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Avin Golestani
- Faculty of Life Science and Medicine, King's College London, London SE1 1UL, UK
| | - Ziyi Feng
- School of Intelligent Medicine, China Medical University, Shenyang 110122, China; Department of Plastic Surgery, The First Hospital of China Medical University, No.155, Nanjing North Street, Heping District, Shenyang 110002, China
| | - Yi Ge
- Department of China Medical University, The Queen's University of Belfast Joint College, School of Pharmacy, China Medical University, Shenyang 110122, China; School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Huazhe Yang
- School of Intelligent Medicine, China Medical University, Shenyang 110122, China.
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2
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Wu Y, Hutton ARJ, Pandya AK, Patravale VB, Donnelly RF. Microneedle and Polymeric Films: Delivery of Proteins, Peptides and Nucleic Acids. Handb Exp Pharmacol 2024; 284:93-111. [PMID: 37106150 DOI: 10.1007/164_2023_653] [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] [Indexed: 04/29/2023]
Abstract
In the last 20 years, protein, peptide and nucleic acid-based therapies have become the fastest growing sector in the pharmaceutical industry and play a vital role in disease therapy. However, the intrinsic sensitivity and large molecular sizes of biotherapeutics limit the available routes of administration. Currently, the main administration routes of biomacromolecules, such as parenteral, oral, pulmonary, nasal, rectal and buccal routes, each have their limitations. Several non-invasive strategies have been proposed to overcome these challenges. Researchers were particularly interested in microneedles (MNs) and polymeric films because of their less invasiveness, convenience and greater potential to preserve the bioactivity of biotherapeutics. By facilitating with MNs and polymeric films, biomacromolecules could provide significant benefits to patients suffering from various diseases such as cancer, diabetes, infectious and ocular diseases. However, before these devices can be used on patients, how to upscale MN manufacture in a cost-effective and timely manner, as well as the long-term safety of MN and polymeric film applications necessitates further investigation.
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Affiliation(s)
- Yu Wu
- School of Pharmacy, Queen's University Belfast, Belfast, UK
| | | | - Anjali Kiran Pandya
- School of Pharmacy, Queen's University Belfast, Belfast, UK
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg Matunga, Mumbai, Maharashtra, India
| | - Vandana B Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg Matunga, Mumbai, Maharashtra, India
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Belfast, UK.
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3
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Chakraborty C, Bhattacharya M, Lee SS. Current Status of Microneedle Array Technology for Therapeutic Delivery: From Bench to Clinic. Mol Biotechnol 2023:10.1007/s12033-023-00961-2. [PMID: 37987985 DOI: 10.1007/s12033-023-00961-2] [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: 07/28/2023] [Accepted: 10/23/2023] [Indexed: 11/22/2023]
Abstract
In recent years, microneedle (MN) patches have emerged as an alternative technology for transdermal delivery of various drugs, therapeutics proteins, and vaccines. Therefore, there is an urgent need to understand the status of MN-based therapeutics. The article aims to illustrate the current status of microneedle array technology for therapeutic delivery through a comprehensive review. However, the PubMed search was performed to understand the MN's therapeutics delivery status. At the same time, the search shows the number no of publications on MN is increasing (63). The search was performed with the keywords "Coated microneedle," "Hollow microneedle," "Dissolvable microneedle," and "Hydrogel microneedle," which also shows increasing trend. Similarly, the article highlighted the application of different microneedle arrays for treating different diseases. The article also illustrated the current status of different phases of MN-based therapeutics clinical trials. It discusses the delivery of different therapeutic molecules, such as drug molecule delivery, using microneedle array technology. The approach mainly discusses the delivery of different therapeutic molecules. The leading pharmaceutical companies that produce the microneedle array for therapeutic purposes have also been discussed. Finally, we discussed the limitations and future prospects of this technology.
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Affiliation(s)
- Chiranjib Chakraborty
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal, 700126, India.
| | - Manojit Bhattacharya
- Department of Zoology, Fakir Mohan University, Vyasa Vihar, Balasore, Odisha, 756020, India
| | - Sang-Soo Lee
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon-si, Gangwon-do, 24252, Republic of Korea
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4
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Glover K, Mishra D, Gade S, Vora LK, Wu Y, Paredes AJ, Donnelly RF, Singh TRR. Microneedles for advanced ocular drug delivery. Adv Drug Deliv Rev 2023; 201:115082. [PMID: 37678648 DOI: 10.1016/j.addr.2023.115082] [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: 06/01/2023] [Revised: 08/15/2023] [Accepted: 08/22/2023] [Indexed: 09/09/2023]
Abstract
In the field of ocular drug delivery, topical delivery remains the most common treatment option for managing anterior segment diseases, whileintraocular injectionsare the current gold standard treatment option for treating posterior segment diseases. Nonetheless, topical eye drops are associated with low bioavailability (<5%), and theintravitreal administration procedure is highly invasive, yielding poor patient acceptability. In both cases, frequent administration is currently required. As a result, there is a clear unmet need for sustained drug delivery to the eye, particularly in a manner that can be localised. Microneedles, which are patches containing an array of micron-scale needles (<1 mm), have the potential to meet this need. These platforms can enable localised drug delivery to the eye while enhancing penetration of drug molecules through key ocular barriers, thereby improving overall therapeutic outcomes. Moreover, the minimally invasive manner in which microneedles are applied could provide significant advantages over traditional intravitreal injections regarding patient acceptability. Considering the benefitsofthis novel ocular delivery system, this review provides an in-depth overviewofthe microneedle systems for ocular drug delivery, including the types of microneedles used and therapeutics delivered. Notably, we outline and discuss the current challenges associated with the clinical translation of these platforms and offer opinions on factors which should be considered to improve such transition from lab to clinic.
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Affiliation(s)
- Katie Glover
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Deepakkumar Mishra
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Shilpkala Gade
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Yu Wu
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Alejandro J Paredes
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
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5
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Lyu S, Dong Z, Xu X, Bei HP, Yuen HY, James Cheung CW, Wong MS, He Y, Zhao X. Going below and beyond the surface: Microneedle structure, materials, drugs, fabrication, and applications for wound healing and tissue regeneration. Bioact Mater 2023; 27:303-326. [PMID: 37122902 PMCID: PMC10140753 DOI: 10.1016/j.bioactmat.2023.04.003] [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: 10/11/2022] [Revised: 03/11/2023] [Accepted: 04/02/2023] [Indexed: 05/02/2023] Open
Abstract
Microneedle, as a novel drug delivery system, has attracted widespread attention due to its non-invasiveness, painless and simple administration, controllable drug delivery, and diverse cargo loading capacity. Although microneedles are initially designed to penetrate stratum corneum of skin for transdermal drug delivery, they, recently, have been used to promote wound healing and regeneration of diverse tissues and organs and the results are promising. Despite there are reviews about microneedles, few of them focus on wound healing and tissue regeneration. Here, we review the recent advances of microneedles in this field. We first give an overview of microneedle system in terms of its potential cargos (e.g., small molecules, macromolecules, nucleic acids, nanoparticles, extracellular vesicle, cells), structural designs (e.g., multidrug structures, adhesive structures), material selection, and drug release mechanisms. Then we briefly summarize different microneedle fabrication methods, including their advantages and limitations. We finally summarize the recent progress of microneedle-assisted wound healing and tissue regeneration (e.g., skin, cardiac, bone, tendon, ocular, vascular, oral, hair, spinal cord, and uterine tissues). We expect that our article would serve as a guideline for readers to design their microneedle systems according to different applications, including material selection, drug selection, and structure design, for achieving better healing and regeneration efficacy.
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Affiliation(s)
- Shang Lyu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
| | - Zhifei Dong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Xiaoxiao Xu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Ho-Pan Bei
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Ho-Yin Yuen
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Chung-Wai James Cheung
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Man-Sang Wong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
- Corresponding author.
| | - Xin Zhao
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
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Wang Y, Yu H, Wang L, Hu J, Feng J. Progress in the preparation and evaluation of glucose-sensitive microneedle systems and their blood glucose regulation. Biomater Sci 2023; 11:5410-5438. [PMID: 37395463 DOI: 10.1039/d3bm00463e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Glucose-sensitive microneedle systems (GSMSs) as an intelligent strategy for treating diabetes can well solve the problems of puncture pain, hypoglycemia, skin damage, and complications caused by the subcutaneous injection of insulin. According to the various functions of each component, herein, therapeutic GSMSs are reviewed based on three parts (glucose-sensitive models, diabetes medications, and microneedle body). Moreover, the characteristics, benefits, and drawbacks of three types of typical glucose-sensitive models (phenylboronic acid based polymer, glucose oxidase, and concanavalin A) and their drug delivery models are reviewed. In particular, phenylboronic acid-based GSMSs can provide a long-acting drug dose and controlled release rate for the treatment of diabetes. Moreover, their painless, minimally invasive puncture also greatly improves patient compliance, treatment safety, and potential application prospects.
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Affiliation(s)
- Yu Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
- Zhejiang-Russia Joint Laboratory of Photo-Electro-Magnetic Functional Materials, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China
| | - Li Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
- Zhejiang-Russia Joint Laboratory of Photo-Electro-Magnetic Functional Materials, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China
| | - Jian Hu
- Key Laboratory of Clinical Evaluation Technology for Medical Device of Zhejiang Province, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, P.R. China
| | - Jingyi Feng
- Key Laboratory of Clinical Evaluation Technology for Medical Device of Zhejiang Province, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, P.R. China
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7
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Tanaka R, Hiramitsu M, Shimizu S, Kawashima S, Sato A, Iwase Y. Efficient drug delivery to lymph nodes by intradermal administration and enhancement of anti-tumor effects of immune checkpoint inhibitors. Cancer Treat Res Commun 2023; 36:100740. [PMID: 37437382 DOI: 10.1016/j.ctarc.2023.100740] [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: 01/25/2023] [Revised: 05/26/2023] [Accepted: 07/02/2023] [Indexed: 07/14/2023]
Abstract
Immune checkpoint inhibitors are novel immunotherapy drugs that have improved cancer treatments. Yet only a small percentage of patients experience durable responses to immune checkpoint inhibitors. Recently, it has been suggested that lymph nodes are important for the efficacy of immunotherapy. However, it is still unclear whether the efficient anti-PD-L1 antibody delivery to tumor-draining lymph nodes improves drug efficacy. In this study, we first characterized lymphatic drug delivery by intradermal administration compared with conventional subcutaneous and systemic administration in rodents and non-human primates. The results confirmed that intradermal administration of immune checkpoint inhibitors is suitable for efficient delivery to the tumor-draining lymph node. In FM3A and EMT6 tumor mice models with different PD-L1 expressions in tumor, efficient delivery of anti-PD-L1 antibody to tumor-draining lymph node by intradermal administration resulted in efficient inhibition of tumor growth in both models. The intradermal administration of low-dose anti-PD-L1 antibody also significantly suppressed tumor growth compared to intraperitoneal administration. It also suppressed tumor growth regardless of PD-L1 expression in tumors, suggesting the importance of blocking PD-L1 in tumor-draining lymph nodes. Hence, efficient delivery by intradermal administration of anti-PD-L1 antibody to tumor-draining lymph node might to be helpful to enhance drug efficacy and potentially reduce adverse events.
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Affiliation(s)
- Ryo Tanaka
- R&D, Pharmaceutical Solutions Division, Medical Care Solutions Company, TERUMO CORPORATION, Japan
| | - Masaki Hiramitsu
- Bioresearch Center, Technology Coordination Office, TERUMO CORPORATION, Japan
| | - Sakiko Shimizu
- R&D, Pharmaceutical Solutions Division, Medical Care Solutions Company, TERUMO CORPORATION, Japan
| | - Shiori Kawashima
- Bioresearch Center, Technology Coordination Office, TERUMO CORPORATION, Japan
| | - Akiko Sato
- Bioresearch Center, Technology Coordination Office, TERUMO CORPORATION, Japan
| | - Yoichiro Iwase
- R&D, Pharmaceutical Solutions Division, Medical Care Solutions Company, TERUMO CORPORATION, Japan.
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Luo X, Yang L, Cui Y. Microneedles: materials, fabrication, and biomedical applications. Biomed Microdevices 2023; 25:20. [PMID: 37278852 PMCID: PMC10242236 DOI: 10.1007/s10544-023-00658-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2023] [Indexed: 06/07/2023]
Abstract
The microneedles have attracted great interests for a wide range of transdermal biomedical applications, such as biosensing and drug delivery, due to the advantages of being painless, semi-invasive, and sustainable. The ongoing challenges are the materials and fabrication methods of the microneedles in order to obtain a specific shape, configuration and function of the microneedles to achieve a target biomedical application. Here, this review would introduce the types of materials of the microneedles firstly. The hardness, Young's modulus, geometric structure, processability, biocompatibility and degradability of the microneedles are explored as well. Then, the fabrication methods for the solid and hollow microneedles in recent years are reviewed in detail, and the advantages and disadvantages of each process are analyzed and compared. Finally, the biomedical applications of the microneedles are reviewed, including biosensing, drug delivery, body fluid extraction, and nerve stimulation. It is expected that this work provides the fundamental knowledge for developing new microneedle devices, as well as the applications in a variety of biomedical fields.
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Affiliation(s)
- Xiaojin Luo
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing, 100871, People's Republic of China
| | - Li Yang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Key Laboratory of Chronic Kidney Disease Prevention and Treatment (Peking University), Ministry of Education, Beijing, 100034, People's Republic of China.
| | - Yue Cui
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing, 100871, People's Republic of China.
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Nguyen HX, Nguyen CN. Microneedle-Mediated Transdermal Delivery of Biopharmaceuticals. Pharmaceutics 2023; 15:pharmaceutics15010277. [PMID: 36678906 PMCID: PMC9864466 DOI: 10.3390/pharmaceutics15010277] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Transdermal delivery provides numerous benefits over conventional routes of administration. However, this strategy is generally limited to a few molecules with specific physicochemical properties (low molecular weight, high potency, and moderate lipophilicity) due to the barrier function of the stratum corneum layer. Researchers have developed several physical enhancement techniques to expand the applications of the transdermal field; among these, microneedle technology has recently emerged as a promising platform to deliver therapeutic agents of any size into and across the skin. Typically, hydrophilic biomolecules cannot penetrate the skin by passive diffusion. Microneedle insertion disrupts skin integrity and compromises its protective function, thus creating pathways (microchannels) for enhanced permeation of macromolecules. Microneedles not only improve stability but also enhance skin delivery of various biomolecules. Academic institutions and industrial companies have invested substantial resources in the development of microneedle systems for biopharmaceutical delivery. This review article summarizes the most recent research to provide a comprehensive discussion about microneedle-mediated delivery of macromolecules, covering various topics from the introduction of the skin, transdermal delivery, microneedles, and biopharmaceuticals (current status, conventional administration, and stability issues), to different microneedle types, clinical trials, safety and acceptability of microneedles, manufacturing and regulatory issues, and the future of microneedle technology.
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Affiliation(s)
- Hiep X. Nguyen
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
- Correspondence: ; Tel.: +1-404-820-4015
| | - Chien N. Nguyen
- National Institute of Pharmaceutical Technology, Hanoi University of Pharmacy, Hanoi 100000, Vietnam
- Faculty of Pharmaceutics and Pharmaceutical Technology, Hanoi University of Pharmacy, Hanoi 100000, Vietnam
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Liu C, Zhao Z, Lv H, Yu J, Zhang P. Microneedles-mediated drug delivery system for the diagnosis and treatment of melanoma. Colloids Surf B Biointerfaces 2022; 219:112818. [PMID: 36084509 DOI: 10.1016/j.colsurfb.2022.112818] [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: 07/04/2022] [Revised: 08/16/2022] [Accepted: 08/29/2022] [Indexed: 11/26/2022]
Abstract
As an emerging novel drug delivery system, microneedles (MNs) have a wide range of applications in the medical field. They can overcome the physiological barriers of the skin, penetrate the outermost skin of the human body, and form hundreds of reversible microchannels to enhance the penetration of drugs and deliver drugs to the diseased sites. So they have great applications in the diagnosis and treatment of melanoma. Melanoma is a kind of malignant tumor, the survival rate of patients with metastases is extremely low. The traditional methods of surgery and drug treatment for melanoma are often accompanied by large adverse reactions in the whole body, and the drug concentration is low. The use of MNs for transdermal administration can increase the drug concentration, reduce adverse reactions in the treatment process, and have good therapeutic effect on melanoma. This paper introduced various types of MNs and their preparation methods, summarized the diagnosis and various treatment options for melanoma with MNs, focused on the treatment of melanoma with dissolved MNs, and made prospect of MNs-mediated transdermal drug delivery in the treatment of melanoma.
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Affiliation(s)
- Cheng Liu
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Zhining Zhao
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Hongqian Lv
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China
| | - Jia Yu
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
| | - Peng Zhang
- Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China.
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Transdermal Maltose-Based Microneedle Patch as Adjunct to Enhance Topical Anesthetic before Intravenous Cannulation of Pediatric Thalassemic Patients Receiving Blood Transfusion: A Randomized Controlled Trial Protocol. J Clin Med 2022; 11:jcm11185291. [PMID: 36142938 PMCID: PMC9501834 DOI: 10.3390/jcm11185291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Intravenous cannulation is experientially traumatic to children. To minimize this, EMLA® is applied on the would-be-cannulated area before IV cannula insertion. However, the time to achieve its maximum efficacy may be affected due to incomplete cutaneous absorption and the duration of application. The latter may be a limiting factor in a busy healthcare facility. The usage of dissolvable maltose microneedles may circumvent this problem by introducing micropores that will facilitate EMLA® absorption. A randomized phase II cross-over trial will be conducted to compare the Visual Analogue Scale (VAS) pain scores and skin conductance algesimeter index between 4 different interventions (1 fingertip unit (FTU) of EMLA® with microneedle patch for 30 min before cannulation; 0.5 FTU of EMLA® with microneedle patch for 30 min; 1 FTU of EMLA® with microneedle for 15 min; 1 FTU of EMLA® with sham patch for 30 min). A total of 26 pediatric patients with thalassemia aged between 6 and 18 years old and requiring blood transfusion will be recruited in this trial. During the visits, the VAS scores and skin conductance algesimeter index at venous cannulation will be obtained using the VAS rulers and PainMonitor™ machine, respectively. The trial will commence in August 2021 and is anticipated to end by August 2022.
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12
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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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Mamun AA, Zhao F. In-Plane Si Microneedles: Fabrication, Characterization, Modeling and Applications. MICROMACHINES 2022; 13:657. [PMID: 35630124 PMCID: PMC9146885 DOI: 10.3390/mi13050657] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/16/2022] [Accepted: 04/17/2022] [Indexed: 01/26/2023]
Abstract
Microneedles are getting more and more attention in research and commercialization since their advancement in the 1990s due to the advantages over traditional hypodermic needles such as minimum invasiveness, low material and fabrication cost, and precise needle geometry control, etc. The design and fabrication of microneedles depend on various factors such as the type of materials used, fabrication planes and techniques, needle structures, etc. In the past years, in-plane and out-of-plane microneedle technologies made by silicon (Si), polymer, metal, and other materials have been developed for numerous biomedical applications including drug delivery, sample collections, medical diagnostics, and bio-sensing. Among these microneedle technologies, in-plane Si microneedles excel by the inherent properties of Si such as mechanical strength, wear resistance, biocompatibility, and structural advantages of in-plane configuration such as a wide range of length, readiness of integration with other supporting components, and complementary metal-oxide-semiconductor (CMOS) compatible fabrication. This article aims to provide a review of in-plane Si microneedles with a focus on fabrication techniques, theoretical and numerical analysis, experimental characterization of structural and fluidic behaviors, major applications, potential challenges, and future prospects.
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Affiliation(s)
| | - Feng Zhao
- Micro/Nanoelectronics and Energy Laboratory, School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, USA;
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Nguyen TT, Nguyen TTD, Tran NMA, Vo GV. Advances of microneedles in hormone delivery. Biomed Pharmacother 2021; 145:112393. [PMID: 34773762 DOI: 10.1016/j.biopha.2021.112393] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 12/14/2022] Open
Abstract
The skin is recognized as a potential target for local and systemic drug delivery and hormone. However, the transdermal route of drug administration seems to be limited by substantial barrier properties of the skin. Recently, delivering hormone via the skin by transdermal patches is a big challenge because of the presence of the stratum corneum that prevents the application of hormone via this route. In order to overcome the limitations, microneedle (MN), consisting of micro-sized needles, are a promising approach to drill the stratum corneum and release hormone into the dermis via a minimal-invasive route. This review aimed to highlight advances in research on the development of MNs-based therapeutics for their implications in hormone delivery. The challenges during clinical translation of MNs from bench to bedside are also discussed.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Pharmacy, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City 700000, Viet Nam
| | - Thi Thuy Dung Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam
| | - Nguyen-Minh-An Tran
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City 71420, Viet Nam.
| | - Giau Van Vo
- Department of Biomedical Engineering, School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City 700000, Viet Nam; Research Center for Genetics and Reproductive Health (CGRH), School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City 700000, Viet Nam; Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City 700000, Viet Nam.
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15
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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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Erdem Ö, Eş I, Akceoglu GA, Saylan Y, Inci F. Recent Advances in Microneedle-Based Sensors for Sampling, Diagnosis and Monitoring of Chronic Diseases. BIOSENSORS 2021; 11:296. [PMID: 34562886 PMCID: PMC8470661 DOI: 10.3390/bios11090296] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 08/20/2021] [Indexed: 12/14/2022]
Abstract
Chronic diseases (CDs) are noncommunicable illnesses with long-term symptoms accounting for ~70% of all deaths worldwide. For the diagnosis and prognosis of CDs, accurate biomarker detection is essential. Currently, the detection of CD-associated biomarkers is employed through complex platforms with certain limitations in their applicability and performance. There is hence unmet need to present innovative strategies that are applicable to the point-of-care (PoC) settings, and also, provide the precise detection of biomarkers. On the other hand, especially at PoC settings, microneedle (MN) technology, which comprises micron-size needles arranged on a miniature patch, has risen as a revolutionary approach in biosensing strategies, opening novel horizons to improve the existing PoC devices. Various MN-based platforms have been manufactured for distinctive purposes employing several techniques and materials. The development of MN-based biosensors for real-time monitoring of CD-associated biomarkers has garnered huge attention in recent years. Herein, we summarize basic concepts of MNs, including microfabrication techniques, design parameters, and their mechanism of action as a biosensing platform for CD diagnosis. Moreover, recent advances in the use of MNs for CD diagnosis are introduced and finally relevant clinical trials carried out using MNs as biosensing devices are highlighted. This review aims to address the potential use of MNs in CD diagnosis.
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Affiliation(s)
- Özgecan Erdem
- UNAM—National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey; (Ö.E.); (I.E.); (G.A.A.)
| | - Ismail Eş
- UNAM—National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey; (Ö.E.); (I.E.); (G.A.A.)
| | - Garbis Atam Akceoglu
- UNAM—National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey; (Ö.E.); (I.E.); (G.A.A.)
| | - Yeşeren Saylan
- Department of Chemistry, Hacettepe University, Ankara 06800, Turkey;
| | - Fatih Inci
- UNAM—National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey; (Ö.E.); (I.E.); (G.A.A.)
- Institute of Materials Science and Nanotechnology, Bilkent University, Ankara 06800, Turkey
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Jacobse J, ten Voorde W, Tandon A, Romeijn SG, Grievink HW, van der Maaden K, van Esdonk MJ, Moes DJA, Loeff F, Bloem K, de Vries A, Rispens T, Wolbink G, de Kam M, Ziagkos D, Moerland M, Jiskoot W, Bouwstra J, Burggraaf J, Schrier L, Rissmann R, ten Cate R. Comprehensive evaluation of microneedle-based intradermal adalimumab delivery vs. subcutaneous administration: results of a randomized controlled clinical trial. Br J Clin Pharmacol 2021; 87:3162-3176. [PMID: 33403697 PMCID: PMC8359405 DOI: 10.1111/bcp.14729] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/09/2020] [Accepted: 12/26/2020] [Indexed: 12/17/2022] Open
Abstract
AIMS To evaluate feasibility of intradermal (i.d.) adalimumab administration using hollow microneedles, and to compare a single i.d. dose of adalimumab using a hollow microneedle with a single subcutaneous (s.c.) dose using a conventional needle. METHODS In this single-centre double-blind, placebo-controlled, double-dummy clinical trial in 24 healthy adults we compared 40 mg adalimumab (0.4 mL) administered i.d. using a hollow microneedle with a s.c. dose using a conventional needle. Primary parameters were pain, acceptability and local tolerability; secondary parameters safety, pharmacokinetics and immunogenicity. We explored usability of optical coherence tomography, clinical photography, thermal imaging, and laser speckle contrast imaging to evaluate skin reaction after i.d. injections. In vitro protein analysis was performed to assess compatibility of adalimumab with the hollow microneedle device. RESULTS While feasible and safe, injection pain of i.d. adalimumab was higher compared to s.c. adalimumab (35.4 vs. 7.9 on a 100-point visual analogue scale). Initial absorption rate and relative bioavailability were higher after i.d. adalimumab (time to maximum plasma concentration = 95 h [47-120]; Frel = 129% [6.46%]) compared to s.c. adalimumab (time to maximum plasma concentration = 120 h [96-221]). Anti-adalimumab antibodies were detected in 50% and 83% of the subjects after i.d. and s.c. adalimumab, respectively. We observed statistically significantly more erythema and skin perfusion after i.d. adalimumab, compared to s.c. adalimumab and placebo injections (P < .0001). Cytokine secretion after whole blood lipopolysaccharide challenge was comparable between administration routes. CONCLUSIONS Intradermal injection of adalimumab using hollowing microneedles was perceived as more painful and less accepted than s.c. administration, but yields a higher relative bioavailability with similar safety and pharmacodynamic effects.
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Affiliation(s)
- Justin Jacobse
- Department of Pediatric Rheumatology Willem‐Alexander Children's HospitalLeiden University Medical CenterLeidenthe Netherlands
- Centre for Human Drug ResearchLeidenthe Netherlands
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
- Currently also affiliated with department of PathologyMicrobiology and Immunology at Vanderbilt UniversityNashvilleTennesseeUSA
| | - Wouter ten Voorde
- Centre for Human Drug ResearchLeidenthe Netherlands
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | | | - Stefan G. Romeijn
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | | | - Koen van der Maaden
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | | | - Dirk Jan A.R. Moes
- Department of Clinical Pharmacy & ToxicologyLeiden University Medical CenterLeidenthe Netherlands
| | - Floris Loeff
- Biologics Lab, Sanquin Diagnostic ServicesAmsterdamthe Netherlands
| | - Karien Bloem
- Biologics Lab, Sanquin Diagnostic ServicesAmsterdamthe Netherlands
| | - Annick de Vries
- Biologics Lab, Sanquin Diagnostic ServicesAmsterdamthe Netherlands
| | - Theo Rispens
- Biologics Lab, Sanquin Diagnostic ServicesAmsterdamthe Netherlands
| | - Gertjan Wolbink
- Biologics Lab, Sanquin Diagnostic ServicesAmsterdamthe Netherlands
| | | | | | | | - Wim Jiskoot
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | - Joke Bouwstra
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | - Jacobus Burggraaf
- Centre for Human Drug ResearchLeidenthe Netherlands
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
| | - Lenneke Schrier
- Department of Pediatric Rheumatology Willem‐Alexander Children's HospitalLeiden University Medical CenterLeidenthe Netherlands
- Currently at Princess Maxima Centre for Pediatric OncologyUtrechtthe Netherlands
| | - Robert Rissmann
- Centre for Human Drug ResearchLeidenthe Netherlands
- Division of BioTherapeutics, Leiden Academic Centre for Drug ResearchLeiden UniversityLeidenthe Netherlands
- Department of Clinical Pharmacy & ToxicologyLeiden University Medical CenterLeidenthe Netherlands
| | - Rebecca ten Cate
- Department of Pediatric Rheumatology Willem‐Alexander Children's HospitalLeiden University Medical CenterLeidenthe Netherlands
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18
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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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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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Targeting proinsulin to local immune cells using an intradermal microneedle delivery system; a potential antigen-specific immunotherapy for type 1 diabetes. J Control Release 2020; 322:593-601. [DOI: 10.1016/j.jconrel.2020.02.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/28/2020] [Accepted: 02/17/2020] [Indexed: 12/18/2022]
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21
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Cárcamo-Martínez Á, Anjani QK, Permana AD, Cordeiro AS, Larrañeta E, Donnelly RF. Coated polymeric needles for rapid and deep intradermal delivery. INTERNATIONAL JOURNAL OF PHARMACEUTICS-X 2020; 2:100048. [PMID: 32420541 PMCID: PMC7218294 DOI: 10.1016/j.ijpx.2020.100048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/20/2020] [Accepted: 04/18/2020] [Indexed: 11/19/2022]
Abstract
Two groups of single polymeric needles (crosslinked Gantrez®S-97 and poly(ethylene glycol)) of different lengths (2 mm and 4.5 mm) with defined base widths were fabricated and tested in terms of their mechanical strength and insertion abilities using two skin models (Parafilm® and porcine skin). For the shorter needles, application of an axial force (32 N) resulted in a height reduction of approximately 80%. Nonetheless, around 80% of total needle length was successfully inserted in both skin models. Optical coherence tomography showed that base width highly impacted insertion capabilities of the longer needles as only the thicker one (0.922 mm width at base) inserted into porcine skin. Additionally, needles were coated with rhodamine B and inserted into porcine skin. In comparison to a control, penetration depth of the model drug increased 2-fold for short and 4.5-fold for long needles, respectively. Moreover, quantification across skin sections showed that shorter needles delivered 10 μg of the compound in a depth of 1.5–2.0 mm while long needles were capable of delivering 5 μg into even deeper skin layers (2.0–3.0 mm), confirming the potential of coated polymeric needles for rapid and deep intradermal delivery.
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Affiliation(s)
- Álvaro Cárcamo-Martínez
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Andi Dian Permana
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.,Department of Pharmaceutics, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Ana Sara Cordeiro
- 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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22
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Cárcamo-Martínez Á, Anjani QK, Permana AD, Cordeiro AS, Larrañeta E, Donnelly RF. WITHDRAWN: Coated polymeric needles for rapid and deep intradermal delivery. Int J Pharm 2020:119355. [PMID: 32325241 DOI: 10.1016/j.ijpharm.2020.119355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/20/2020] [Accepted: 04/18/2020] [Indexed: 11/17/2022]
Affiliation(s)
- Álvaro Cárcamo-Martínez
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Andi Dian Permana
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutics, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Ana Sara Cordeiro
- 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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Chen J, Cheng P, Sun Y, Wang Y, Zhang X, Yang Z, Ding G. A Minimally Invasive Hollow Microneedle With a Cladding Structure: Ultra-Thin but Strong, Batch Manufacturable. IEEE Trans Biomed Eng 2019; 66:3480-3485. [DOI: 10.1109/tbme.2019.2906571] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Rini C, Roberts BC, Morel D, Klug R, Selvage B, Pettis RJ. Evaluating the Impact of Human Factors and Pen Needle Design on Insulin Pen Injection. J Diabetes Sci Technol 2019; 13:533-545. [PMID: 30880448 PMCID: PMC6501541 DOI: 10.1177/1932296819836987] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Limited published data exists quantifying the influence of human factors (HF) and pen needle (PN) design on delivery outcomes of pen injection systems. This preclinical in vivo study examines the impact of PN hub design and applied force against the skin during injection on needle penetration depth (NPD). METHOD To precisely locate injection depth, PN injections (20 µl; 2 IU, U-100 volume equivalent) of iodinated contrast agent were administered to the flank of Yorkshire swine across a range of clinically relevant application forces against the skin (0.25, 0.75, 1.25, and 2.0 lbf). The NPD, representing in vivo needle tip depth in SC tissue, from four 32 G × 4 mm PN devices (BD Nano™ 2nd Gen and three commercial posted-hub PN devices; n = 75/device/force, 1200 total) was measured by fluoroscopic imaging of the resulting depot. RESULTS The reengineered hub design more closely achieved the 4 mm target NPD with significantly less variability ( P = .006) than commercial posted-hub PN devices across the range of applied injection forces. Calculations of IM (intramuscular) injection risk completed through in silico probability model, using NPD and average human tissue thickness measurements, displayed a commensurate reduction (~2-8x) compared to conventional PN hub designs. CONCLUSIONS Quantifiable differences in injection depth were observed between identical labeled length PN devices indicating that hub design features, coupled with aspects of variable injection technique, may influence injection depth accuracy and consistency. The reengineered hub design may reduce the impact of unintended individual technique differences by improving target injection depth consistency and reducing IM injection potential.
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Affiliation(s)
- Christopher Rini
- BD Technologies and Innovation, Research Triangle Park, NC, USA
- Christopher Rini, MS, BD Technologies and Innovation, 21 Davis Dr, Research Triangle Park, NC 27709, USA.
| | | | | | - Rick Klug
- BD Technologies and Innovation, Research Triangle Park, NC, USA
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Duarah S, Sharma M, Wen J. Recent advances in microneedle-based drug delivery: Special emphasis on its use in paediatric population. Eur J Pharm Biopharm 2019; 136:48-69. [DOI: 10.1016/j.ejpb.2019.01.005] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/24/2018] [Accepted: 01/07/2019] [Indexed: 12/12/2022]
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26
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Lee G, Ma Y, Lee YH, Jung H. Clinical Evaluation of a Low-pain Long Microneedle for Subcutaneous Insulin Injection. BIOCHIP JOURNAL 2018. [DOI: 10.1007/s13206-018-2411-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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27
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Dharadhar S, Majumdar A, Dhoble S, Patravale V. Microneedles for transdermal drug delivery: a systematic review. Drug Dev Ind Pharm 2018; 45:188-201. [DOI: 10.1080/03639045.2018.1539497] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Saili Dharadhar
- Department of Pharmacology and Toxicology, Bombay College of Pharmacy, Kalina, Mumbai, 400 098, India
| | - Anuradha Majumdar
- Department of Pharmacology and Toxicology, Bombay College of Pharmacy, Kalina, Mumbai, 400 098, India
| | - Sagar Dhoble
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai, 400 019, India
| | - Vandana Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai, 400 019, India
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28
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Preparation, properties and challenges of the microneedles-based insulin delivery system. J Control Release 2018; 288:173-188. [PMID: 30189223 DOI: 10.1016/j.jconrel.2018.08.042] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/30/2018] [Accepted: 08/31/2018] [Indexed: 12/13/2022]
Abstract
Microneedle technology relates to pharmacy, polymer chemistry and micromachining. Microneedle can effectively deliver insulin into systemic circulation across the skin. This process does not affect the activity of insulin. Compared to subcutaneous injection, microneedles cause less pain for their special structure. This review thoroughly discusses the preparation technologies of the microneedles-based insulin delivery system including solid, hollow, dissolving, phase transition, glucose-responsive microneedle patches. In the meantime, the properties, challenges and clinical/commercial status of the microneedles-based insulin delivery system are also discussed in this review.
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Leoni G, Lyness A, Ginty P, Schutte R, Pillai G, Sharma G, Kemp P, Mount N, Sharpe M. Preclinical development of an automated injection device for intradermal delivery of a cell-based therapy. Drug Deliv Transl Res 2018; 7:695-708. [PMID: 28812281 PMCID: PMC5574955 DOI: 10.1007/s13346-017-0418-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Current methods for intradermal delivery of therapeutic products in clinical use include manual injection via the Mantoux technique and the use of injection devices, primarily developed for the delivery of vaccines and small molecules. A novel automated injection device is presented specifically designed for accurate delivery of multiple doses of product through a number of adjustable injection parameters, including injection depth, dose volume and needle insertion speed. The device was originally conceived for the delivery of a cell-based therapy to patients with skin wounds caused by epidermolysis bullosa. A series of preclinical studies was conducted (i) to evaluate the performance of the pre-production model (PreCTCDV01) and optimise the final design, (ii) to confirm that a cell therapy product can be effectively delivered through the injection system and (iii) to test whether the device can be safely and effectively operated by potential end-users. Results from these studies confirmed that the device is able to consistently deliver repeated doses of a liquid to the intradermal layer in an ex vivo skin model. In addition, the device can support delivery of a cell therapy product through a customised microbore tubing without compromising cell viability. Finally, the device was shown to be safe and easy to use as evidenced by usability testing. The clinical device has since been granted European market access and plans for clinical use are currently underway. The device is expected to find use in the emerging area of cell therapies and a broad spectrum of traditional parenteral drug delivery applications.
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Affiliation(s)
- Giulia Leoni
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Alex Lyness
- Centre for Biological Engineering, Wolfson School of Mechanical and Manufacturing Engineering, Loughborough University, Leicestershire, LE11 3TU, UK
| | - Patrick Ginty
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Rindi Schutte
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Gopalan Pillai
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Gayatri Sharma
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Paul Kemp
- Intercytex Ltd, 5 Vale Road, Stockport, SK6 3LE, UK
| | - Natalie Mount
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Michaela Sharpe
- Cell and Gene Therapy Catapult, 12th Floor Tower Wing, Guys Hospital, Great Maze Pond, London, SE1 9RT, UK.
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Donnelly RF, Larrañeta E. Microarray patches: potentially useful delivery systems for long-acting nanosuspensions. Drug Discov Today 2018; 23:1026-1033. [DOI: 10.1016/j.drudis.2017.10.013] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 09/30/2017] [Accepted: 10/16/2017] [Indexed: 10/18/2022]
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Peking P, Koller U, Murauer EM. Functional therapies for cutaneous wound repair in epidermolysis bullosa. Adv Drug Deliv Rev 2018; 129:330-343. [PMID: 29248480 DOI: 10.1016/j.addr.2017.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 11/07/2017] [Accepted: 12/09/2017] [Indexed: 12/20/2022]
Abstract
Chronic wounding as a result of recurrent skin blistering in the painful genetic skin disease epidermolysis bullosa, may lead to life-threatening infections, increased risk of tumor formation, and other serious medical complications. Therefore, epidermolysis bullosa patients have an urgent need for optimal wound care and tissue regeneration. Therapeutic strategies using gene-, protein-, and cell-therapies are being developed to improve clinical symptoms, and some of them have already been investigated in early clinical trials. The most favorable options of functional therapies include gene replacement, gene editing, RNA targeting, and harnessing natural gene therapy. This review describes the current progress of the different approaches targeting autologous skin cells, and will discuss the benefits and challenges of their application.
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Shakya AK, Nandakumar KS. Antigen-Specific Tolerization and Targeted Delivery as Therapeutic Strategies for Autoimmune Diseases. Trends Biotechnol 2018; 36:686-699. [PMID: 29588069 DOI: 10.1016/j.tibtech.2018.02.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 02/14/2018] [Accepted: 02/16/2018] [Indexed: 02/06/2023]
Abstract
The prevalence of autoimmune disorders is increasing steadily and there is no permanent cure available. Immunomodulation through repeated exposure of antigens, known as antigen-specific immune tolerance or antigen-specific immunotherapy (ASI), is a promising approach to treat or prevent autoimmune disorders. Different optimization protocols (immunization routes, delivery systems, and approaches) are being developed to implement ASI against self-proteins. Including appropriate adjuvants, altered peptide ligand, and using multipeptides are approaches that can be used to specifically target autoimmunity. This review explores various ASI application methods, including different routes of antigen-specific sensitization, delivery systems, immunomodulators containing specific antigens, and other targeted approaches that have been successfully demonstrated to have therapeutic effects on autoimmune diseases.
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Affiliation(s)
| | - Kutty Selva Nandakumar
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China; Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden.
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Insulin delivery systems combined with microneedle technology. Adv Drug Deliv Rev 2018; 127:119-137. [PMID: 29604374 DOI: 10.1016/j.addr.2018.03.011] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 03/22/2018] [Accepted: 03/26/2018] [Indexed: 11/24/2022]
Abstract
Diabetes, a metabolic disorder of glucose, is a serious chronic disease and an important public health problem. Insulin is one of the hormones for modulating blood glucose level and the products of which is indispensable for most diabetes patients. Introducing microneedles (MNs) to insulin delivery is promising to pave the way for modulating glucose level noninvasively of diabetes patients, as which born to be painless, easy to handle and no need of any power supply. In this work, we review the process of insulin delivery systems (IDSs) based on MN technology in terms of two categories: drug free MNs and drug loaded MNs. Drug free MNs include solid MNs ("poke and patch"), hollow MNs ("poke and flow") and reservoir-based swelling MNs ("poke and swell R-type"), and drug loaded MNs include coated MNs ("coat and poke"), dissolving MNs ("poke and release") and insulin incorporated swelling MNs ("poke and swell I-type"). Majority researches of MN-based IDSs have been conducted by using hollow MNs or dissolving MNs, and almost all clinical trials for MN-based IDSs have employed hollow MNs. "Poke and patch" approach dramatically increase skin permeability compared to traditional transdermal patch, but MNs fabricated from silicon or metal may leave sharp waste in the skin and cause a safety issue. "Poke and flow" approach, similar to transitional subcutaneous (SC) injection, is capable of producing faster insulin absorption and action than SC injection but may associate with blockage, leakage and low flow rate. Coated MNs are able of retaining the activity of drug, which loaded in a solid phase, for a long time, however have been relatively less studied for insulin application as the low drug dosing. "Poke and release" approach leaves no biohazardous sharp medical waste and is capable of rapid drug release. "Poke and swell R-type" can be seen as a combination of "poke and flow" and "poke and patch" approach, while "poke and swell I-type" is an approach between "coat and poke" and "poke and release" approach. Insulin MNs are promising for painless diabetes therapeutics, and additional efforts for addressing fundamental issues including the drug loading, the PK/PD profile, the storage and the safety of insulin MNs will accelerate the clinical transformation.
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Gradel AKJ, Porsgaard T, Lykkesfeldt J, Seested T, Gram-Nielsen S, Kristensen NR, Refsgaard HHF. Factors Affecting the Absorption of Subcutaneously Administered Insulin: Effect on Variability. J Diabetes Res 2018; 2018:1205121. [PMID: 30116732 PMCID: PMC6079517 DOI: 10.1155/2018/1205121] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/05/2018] [Accepted: 05/30/2018] [Indexed: 01/16/2023] Open
Abstract
Variability in the effect of subcutaneously administered insulin represents a major challenge in insulin therapy where precise dosing is required in order to achieve targeted glucose levels. Since this variability is largely influenced by the absorption of insulin, a deeper understanding of the factors affecting the absorption of insulin from the subcutaneous tissue is necessary in order to improve glycaemic control and the long-term prognosis in people with diabetes. These factors can be related to either the insulin preparation, the injection site/patient, or the injection technique. This review highlights the factors affecting insulin absorption with special attention on the physiological factors at the injection site. In addition, it also provides a detailed description of the insulin absorption process and the various modifications to this process that have been utilized by the different insulin preparations available.
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Affiliation(s)
- A. K. J. Gradel
- Department of Veterinary and Animal Sciences, Section of Experimental Animal Models, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Insulin Research, Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, 2760 Måløv, Denmark
| | - T. Porsgaard
- Insulin Research, Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, 2760 Måløv, Denmark
| | - J. Lykkesfeldt
- Department of Veterinary and Animal Sciences, Section of Experimental Animal Models, Faculty of Health & Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - T. Seested
- Department of Histology and Imaging, Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, 2760 Måløv, Denmark
| | - S. Gram-Nielsen
- Insulin Research, Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, 2760 Måløv, Denmark
| | - N. R. Kristensen
- Quantitative Clinical Pharmacology, Novo Nordisk A/S, Vandtårnsvej 108, 2860 Søborg, Denmark
| | - H. H. F. Refsgaard
- Insulin Research, Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, 2760 Måløv, Denmark
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Microneedles as the technique of drug delivery enhancement in diverse organs and tissues. J Control Release 2018; 270:184-202. [DOI: 10.1016/j.jconrel.2017.11.048] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 11/22/2017] [Accepted: 11/29/2017] [Indexed: 11/24/2022]
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Nguyen TT, Park JH. Human studies with microneedles for evaluation of their efficacy and safety. Expert Opin Drug Deliv 2017; 15:235-245. [PMID: 29169288 DOI: 10.1080/17425247.2018.1410138] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION During the past two decades, many studies have documented the development of microneedles (MNs) as a feasible technique for the effective administration of drugs. More and more human studies have been done with MNs to bridge the gap between research and market applications that provide efficacious techniques for clinical implementation. AREAS COVERED The aim of this review is provide a brief description of the status of human study with MNs and to demonstrate progress for the right use of microneedle arrays in clinical settings. It also describes the considerations for clinical application with each type of MNs. EXPERT OPINION Microneedle systems were introduced to overcome the limitations of conventional methods of drug administration. Lots of microneedle systems have undergone clinical evaluation to determine their efficacy and safety, and many studies have demonstrated positive results. The successful clinical use of the microneedle in vaccine therapy is remarkable and supports the importance of conducting further tests in a wide range of medical applications. Self-administered MNs appeared to be an attractive alternative method that needs further research to become a reality in the near future.
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Affiliation(s)
- Thuy Trang Nguyen
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
| | - Jung Hwan Park
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
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Banerjee A, Ibsen K, Iwao Y, Zakrewsky M, Mitragotri S. Transdermal Protein Delivery Using Choline and Geranate (CAGE) Deep Eutectic Solvent. Adv Healthc Mater 2017; 6. [PMID: 28337858 DOI: 10.1002/adhm.201601411] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 02/21/2017] [Indexed: 12/20/2022]
Abstract
Transdermal delivery of peptides and other biological macromolecules is limited due to skin's inherent low permeability. Here, the authors report the use of a deep eutectic solvent, choline and geranate (CAGE), to enhance topical delivery of proteins such as bovine serum albumin (BSA, molecular weight: ≈66 kDa), ovalbumin (OVA, molecular weight: ≈45 kDa) and insulin (INS, molecular weight: 5.8 kDa). CAGE enhances permeation of BSA, OVA, and insulin into porcine skin ex vivo, penetrating deep into the epidermis and dermis. Studies using tritium-labeled BSA and fluorescein isothiocyanate labeled insulin show significantly enhanced delivery of proteins into and across porcine skin, penetrating the skin in a time-dependent manner. Fourier transform IR spectra of porcine stratum corneum (SC) samples before and after incubation in CAGE show a reduction in peak area attributed to SC lipid content, suggesting lipid extraction from the SC. Circular dichroism confirms that CAGE does not affect insulin's secondary conformation. In vivo studies in rats show that topical application of 10 U insulin dispersed in CAGE (25 U kg-1 insulin dose) leads to a highly significant 40% drop in blood glucose levels in 4 h that is relatively sustained for 12 h. Taken together, these studies demonstrate that CAGE is a promising vehicle for transdermal delivery of therapeutic proteins; specifically, as a noninvasive delivery alternative to injectable insulin for the treatment of diabetes.
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Affiliation(s)
- Amrita Banerjee
- Department of Chemical Engineering and Center for Bioengineering University of California Santa Barbara Santa Barbara CA 93106 USA
| | - Kelly Ibsen
- Department of Chemical Engineering and Center for Bioengineering University of California Santa Barbara Santa Barbara CA 93106 USA
| | - Yasunori Iwao
- Department of Pharmaceutical Engineering School of Pharmaceutical Sciences University of Shizuoka Shizuoka 422‐8526 Japan
| | - Michael Zakrewsky
- Department of Chemical Engineering and Center for Bioengineering University of California Santa Barbara Santa Barbara CA 93106 USA
| | - Samir Mitragotri
- Department of Chemical Engineering and Center for Bioengineering University of California Santa Barbara Santa Barbara CA 93106 USA
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Bhatnagar S, Dave K, Venuganti VVK. Microneedles in the clinic. J Control Release 2017; 260:164-182. [DOI: 10.1016/j.jconrel.2017.05.029] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 05/21/2017] [Accepted: 05/23/2017] [Indexed: 12/16/2022]
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Ma G, Wu C. Microneedle, bio-microneedle and bio-inspired microneedle: A review. J Control Release 2017; 251:11-23. [DOI: 10.1016/j.jconrel.2017.02.011] [Citation(s) in RCA: 168] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 02/11/2017] [Accepted: 02/13/2017] [Indexed: 12/29/2022]
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Schmeisl GW, Kretzschmar Y. [Fast-acting insulin - new developments towards more flexibility for the patient]. MMW Fortschr Med 2016; 158:5-11. [PMID: 27933575 DOI: 10.1007/s15006-016-9053-8] [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: 09/07/2016] [Accepted: 11/08/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Post-prandial insulin secretion occurs under physiological conditions very fast and in adequate concentrations. This mechanism is impaired in patients with type 2 diabetes and severe increases of postprandial glucose levels may occur. In order to achieve physiological conditions and to avoid postprandial hyperglycemia, exogenous insulin and insulin analogues should be absorbed very fast and appropriate maximum concentrations should be reached very quickly. METHOD Overview RESULTS AND CONCLUSIONS: The development of new bolus insulins is focused on improved pharmacokinetic and pharmacodynamic properties. Not only new pharmaceutical formulations, but also different application sites and systems have been investigated. The latest innovations resulted in even faster acting insulins, which may offer patients improved postprandial glucose control and greater flexibility regarding meal planning.
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Affiliation(s)
- Gerhard W Schmeisl
- Medizin/Angiologie/Rehabilitationswesen/Sportmedizin/Diabetologe DDG/Sozialmedizin, Deegenbergklinik und Saale Klinik ( DRV-Bund), Bad Kissingen, Deutschland.
- Facharzt für Innere Medizin / Angiologie / Rehabilitationswesen / Sportmedizin / Diabetologe DDG / Sozialmedizin Deegenbergklinik, Burgstraße, 97688, Bad Kissingen, Deutschland.
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Kochba E, Levin Y, Raz I, Cahn A. Improved Insulin Pharmacokinetics Using a Novel Microneedle Device for Intradermal Delivery in Patients with Type 2 Diabetes. Diabetes Technol Ther 2016; 18:525-31. [PMID: 27500713 PMCID: PMC5035373 DOI: 10.1089/dia.2016.0156] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Currently available short-acting insulin analogs have slower absorption compared with endogenous insulin occasionally resulting in immediate postprandial hyperglycemia. Intradermal (ID) injection facilitates faster drug absorption and may result in improved insulin pharmacokinetics. METHODS Seventeen patients with type 2 diabetes were included in this single-center, pilot, open-label crossover study. Patients received 0.2 U/kg Insulin aspart ID injections using a MicronJet (MJ) needle and subcutaneous (SC) injections, using a conventional needle in a crossover design. Thirteen patients were studied under fasting conditions and four before a standard meal test. The pharmacokinetic/pharmacodynamic (PK/PD) profile, as well as the safety and tolerability of injections, was compared. RESULTS Fourteen patients completed the study per-protocol. ID versus SC injection demonstrated significantly shorter Tmax (median 35 vs. 87.5 min [P < 0.001]), while the Cmax did not significantly differ (median 80 vs. 55 μU/mL [P = 0.085]). Median insulin area under the curve (AUC; 360 min) did not differ between the groups (9914 vs. 10,936 μU/mL/min [p = 0.077]), yet 0-60 min insulin AUC was higher with ID versus SC injection (mean ± SD 3821 ± 1429 vs. 2534 ± 737 μU/mL/min [p = 0.01]) and 4-6 h AUC was lower with ID versus SC injection (mean ± SD 2054 ± 858 vs. 2929 ± 1412 μU/mL/min [p = 0.02]). The relative bioavailability of the ID versus the SC insulin (AUCID/AUCSC) was similar (median 0.91 [95% confidence interval 0.73-1.27]). CONCLUSIONS ID insulin injection delivered through an MJ needle demonstrated superior PK profile compared with conventional SC administration, including shorter Tmax and higher early and lower late exposure in patients with type 2 diabetes. This may help achieve better insulin coverage of meals and lower postprandial glucose excursions.
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Affiliation(s)
| | - Yotam Levin
- NanoPass Technologies Ltd., Nes Ziona, Israel
| | - Itamar Raz
- Diabetes Unit, Division of Internal Medicine, Hadassah Medical Organization, Jerusalem, Israel
| | - Avivit Cahn
- Diabetes Unit, Division of Internal Medicine, Hadassah Medical Organization, Jerusalem, Israel
- Endocrinology and Metabolism Service, Division of Internal Medicine, Hadassah Medical Organization, Jerusalem, Israel
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Microfabrication for Drug Delivery. MATERIALS 2016; 9:ma9080646. [PMID: 28773770 PMCID: PMC5509096 DOI: 10.3390/ma9080646] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 07/14/2016] [Accepted: 07/26/2016] [Indexed: 12/22/2022]
Abstract
This review is devoted to discussing the application of microfabrication technologies to target challenges encountered in life processes by the development of drug delivery systems. Recently, microfabrication has been largely applied to solve health and pharmaceutical science issues. In particular, fabrication methods along with compatible materials have been successfully designed to produce multifunctional, highly effective drug delivery systems. Microfabrication offers unique tools that can tackle problems in this field, such as ease of mass production with high quality control and low cost, complexity of architecture design and a broad range of materials. Presented is an overview of silicon- and polymer-based fabrication methods that are key in the production of microfabricated drug delivery systems. Moreover, the efforts focused on studying the biocompatibility of materials used in microfabrication are analyzed. Finally, this review discusses representative ways microfabrication has been employed to develop systems delivering drugs through the transdermal and oral route, and to improve drug eluting implants. Additionally, microfabricated vaccine delivery systems are presented due to the great impact they can have in obtaining a cold chain-free vaccine, with long-term stability. Microfabrication will continue to offer new, alternative solutions for the development of smart, advanced drug delivery systems.
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Rini CJ, McVey E, Sutter D, Keith S, Kurth HJ, Nosek L, Kapitza C, Rebrin K, Hirsch L, Pettis RJ. Intradermal insulin infusion achieves faster insulin action than subcutaneous infusion for 3-day wear. Drug Deliv Transl Res 2016; 5:332-45. [PMID: 26037035 PMCID: PMC4529466 DOI: 10.1007/s13346-015-0239-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Rapid uptake previously demonstrated by intradermal (ID) drug administration indicates compound delivery within the dermis may have clinical and pharmacological advantages for certain drug therapies. This study is the first clinical trial to evaluate continuous microneedle-based drug infusion, device wearability, and intradermal microneedle insulin kinetics over a multi-day (72 h) wear period. This was a single center, open-label, two-period crossover study in T1DM patients on continuous subcutaneous insulin infusion (CSII). Patients received treatment during interventional visits: one SC and one ID basal/bolus infusion of insulin aspart (NovoRapid® U-100) administered over 3 days in a randomized order. Twenty-eight patients were randomized and exposed to trial product, and 23 completed the study. Bolus insulin infusions were given prior to standardized breakfast and lunch test meals on each of the three treatment days. Blood samples were drawn at predefined time points for measurements of insulin aspart and blood glucose in serum. The primary endpoint insulin Tmax demonstrated that ID bolus infusion was associated with a significantly shorter Tmax with statistically significantly smaller intra-subject variability, compared to SC infusion, and this difference was maintained over three treatment days. Analyses of secondary PK endpoints corresponded with the primary endpoint findings. Postprandial glycemic response was significantly less pronounced after ID bolus: For most endpoints ID vs. SC, differences were statistically significant within the 0–1.5 or 0–2 h time period. Intradermal delivery of insulin is a viable delivery route alternative providing reduced time for insulin absorption with less intra-subject variability and lower glycemic response.
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Type 1 diabetes vaccine candidates promote human Foxp3(+)Treg induction in humanized mice. Nat Commun 2016; 7:10991. [PMID: 26975663 PMCID: PMC4796321 DOI: 10.1038/ncomms10991] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 02/09/2016] [Indexed: 01/13/2023] Open
Abstract
Immune tolerance is executed partly by Foxp3+regulatory T (Treg) cells, which suppress autoreactive T cells. In autoimmune type 1 diabetes (T1D) impaired tolerance promotes destruction of insulin-producing β-cells. The development of autoantigen-specific vaccination strategies for Foxp3+Treg-induction and prevention of islet autoimmunity in patients is still in its infancy. Here, using human haematopoietic stem cell-engrafted NSG-HLA-DQ8 transgenic mice, we provide direct evidence for human autoantigen-specific Foxp3+Treg-induction in vivo. We identify HLA-DQ8-restricted insulin-specific CD4+T cells and demonstrate efficient human insulin-specific Foxp3+Treg-induction upon subimmunogenic vaccination with strong agonistic insulin mimetopes in vivo. Induced human Tregs are stable, show increased expression of Treg signature genes such as Foxp3, CTLA4, IL-2Rα and TIGIT and can efficiently suppress effector T cells. Such Foxp3+Treg-induction does not trigger any effector T cells. These T1D vaccine candidates could therefore represent an expedient improvement in the challenge to induce human Foxp3+Tregs and to develop novel precision medicines for prevention of islet autoimmunity in children at risk of T1D. Type 1 diabetes is associated with the loss of self-tolerance to the insulin-producing β-cells in the pancreas. Here the authors show that vaccination with insulin mimetopes can induce human insulin-specific regulatory T cells to mediate tolerance in a humanized mouse model.
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Kovalainen M, Mönkäre J, Riikonen J, Pesonen U, Vlasova M, Salonen J, Lehto VP, Järvinen K, Herzig KH. Novel delivery systems for improving the clinical use of peptides. Pharmacol Rev 2016; 67:541-61. [PMID: 26023145 DOI: 10.1124/pr.113.008367] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Peptides have long been recognized as a promising group of therapeutic substances to treat various diseases. Delivery systems for peptides have been under development since the discovery of insulin for the treatment of diabetes. The challenge of using peptides as drugs arises from their poor bioavailability resulting from the low permeability of biological membranes and their instability. Currently, subcutaneous injection is clinically the most common administration route for peptides. This route is cost-effective and suitable for self-administration, and the development of appropriate dosing equipment has made performing the repeated injections relatively easy; however, only few clinical subcutaneous peptide delivery systems provide sustained peptide release. As a result, frequent injections are needed, which may cause discomfort and additional risks resulting from a poor administration technique. Controlled peptide delivery systems, able to provide required therapeutic plasma concentrations over an extended period, are needed to increase peptide safety and patient compliancy. In this review, we summarize the current peptidergic drugs, future developments, and parenteral peptide delivery systems. Special emphasis is given to porous silicon, a novel material in peptide delivery. Biodegradable and biocompatible porous silicon possesses some unique properties, such as the ability to carry exceptional high peptide payloads and to modify peptide release extensively. We have successfully developed porous silicon as a carrier material for improved parenteral peptide delivery. Nanotechnology, with its different delivery systems, will enable better use of peptides in several therapeutic applications in the near future.
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Affiliation(s)
- Miia Kovalainen
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Juha Mönkäre
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Joakim Riikonen
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Ullamari Pesonen
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Maria Vlasova
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Jarno Salonen
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Vesa-Pekka Lehto
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Kristiina Järvinen
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
| | - Karl-Heinz Herzig
- Institute of Biomedicine and Biocenter of Oulu, Faculty of Medicine (M.K., K.-H.H.) and Medical Research Center Oulu and Oulu University Hospital (K.-H.H.), Oulu, Finland; Department of Applied Physics, Faculty of Science and Forestry (J.R.), Department of Applied Physics, Faculty of Science and Forestry (V.-P.L.), and School of Pharmacy, Faculty of Health Sciences (M.V., K.J.), University of Eastern Finland, Kuopio, Finland; Department of Pharmacology, Drug Development and Therapeutics (U.P.), and Department of Physics and Astronomy, Faculty of Mathematics and Natural Sciences (J.S.), University of Turku, Finland; and Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands (J.M.)
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Marshall S, Sahm LJ, Moore AC. Microneedle technology for immunisation: Perception, acceptability and suitability for paediatric use. Vaccine 2016; 34:723-34. [DOI: 10.1016/j.vaccine.2015.12.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 11/30/2015] [Accepted: 12/01/2015] [Indexed: 11/30/2022]
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47
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Cengiz E, Bode B, Van Name M, Tamborlane WV. Moving toward the ideal insulin for insulin pumps. Expert Rev Med Devices 2015; 13:57-69. [DOI: 10.1586/17434440.2016.1109442] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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48
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McVey E, Keith S, Herr JK, Sutter D, Pettis RJ. Evaluation of Intradermal and Subcutaneous Infusion Set Performance Under 24-Hour Basal and Bolus Conditions. J Diabetes Sci Technol 2015; 9:1282-91. [PMID: 26319228 PMCID: PMC4667298 DOI: 10.1177/1932296815598327] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND This study sought to assess the function and delivery reliability of intradermal (ID) infusion sets used with commercial insulin pumps. METHOD Healthy subjects (n = 43) were randomized to either ID or subcutaneous (SC) arms, and received basal/bolus placebo delivery for 24 hours. Subjects received 4 of 8 infusion set combinations (ID: microneedle design A or B, with 2 pump brands [Animas or MiniMed]; SC: Teflon Quickset or steel Rapid-D, Animas pump only, with or without overtaping) and were evaluated for pump occlusion alarms, fluid leakage, pain, and tissue tolerability. A novel algorithm was developed to determine flow consistency based on fluid pressure, and the duration and occurrence rate for periods of unalarmed but interrupted flow ("silent occlusions'") were compared. RESULTS ID delivery was successfully maintained over the 24-hour infusion period. The number of silent occlusions was lower for ID microneedle cannula design B than A (P < .01) and lower for Rapid-D SC device compared to Quick-set (P = .03). There was no significant difference in the number of occlusion alarms between the ID and SC devices with the Animas pump. However, the pumps tested with ID devices had significantly different alarm rates (MiniMed 29.5%, Animas 0%, P < .001). Leakage and tissue tolerability were comparable across devices. CONCLUSION The ID infusion set reliably delivered diluent for an extended 24-hour period in healthy subjects and was well tolerated. Silent occlusion flow interruptions could be detected in both ID and SC infusion sets using a proprietary algorithm. This algorithm is a promising method for quantitatively evaluating infusion set flow performance.
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Affiliation(s)
- Elaine McVey
- BD Technologies, Research Triangle Park, NC, USA MaxPoint Interactive, Morrisville, NC, USA
| | - Steven Keith
- BD Technologies, Research Triangle Park, NC, USA Parker Hannifin Corporation, Madison, WI, USA
| | | | - Diane Sutter
- BD Technologies, Research Triangle Park, NC, USA
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49
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New Insulins and New Aspects in Insulin Delivery. Can J Diabetes 2015; 39:335-43. [DOI: 10.1016/j.jcjd.2015.04.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 03/23/2015] [Accepted: 04/13/2015] [Indexed: 12/13/2022]
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50
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Lv D, Kulkarni SD, Chan A, Keith S, Pettis R, Kovatchev BP, Farhi LS, Breton MD. Pharmacokinetic Model of the Transport of Fast-Acting Insulin From the Subcutaneous and Intradermal Spaces to Blood. J Diabetes Sci Technol 2015; 9:831-40. [PMID: 25759184 PMCID: PMC4525663 DOI: 10.1177/1932296815573864] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pharmacokinetic (PK) models describing the transport of insulin from the injection site to blood assist clinical decision making and are part of in silico platforms for developing and testing of insulin delivery strategies for treatment of patients with diabetes. The ability of these models to accurately describe all facets of the in vivo insulin transport is therefore critical for their application. Here, we propose a new model of fast-acting insulin analogs transport from the subcutaneous and intradermal spaces to blood that can accommodate clinically observed biphasic appearance and delayed clearance of injected insulin, 2 phenomena that are not captured by existing PK models. To develop the model we compare 9 insulin transport PK models which describe hypothetical insulin delivery pathways potentially capable of approximating biphasic appearance of exogenous insulin. The models are tested with respect to their ability to describe clinical data from 10 healthy volunteers which received 1 subcutaneous and 2 intradermal insulin injections on 3 different occasions. The optimal model, selected based on information and posterior identifiability criteria, assumes that insulin is delivered at the administrative site and is then transported to the bloodstream via 2 independent routes (1) diffusion-like process to the blood and (2) combination of diffusion-like processes followed by an additional compartment before entering the blood. This optimal model accounts for biphasic appearance and delayed clearance of exogenous insulin. It agrees better with the clinical data as compared to commonly used models and is expected to improve the in silico development and testing of insulin treatment strategies, including artificial pancreas systems.
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Affiliation(s)
- Dayu Lv
- Center for Diabetes Technology, University of Virginia, Charlottesville, VA, USA
| | - Sandip D Kulkarni
- Department of Bioengineering, University of Maryland College Park, College Park, MD, USA
| | - Alice Chan
- Center for Diabetes Technology, University of Virginia, Charlottesville, VA, USA
| | - Stephen Keith
- Beckton Dickinson Technologies, Research Triangle Park NC, USA
| | - Ron Pettis
- Beckton Dickinson Technologies, Research Triangle Park NC, USA
| | - Boris P Kovatchev
- Center for Diabetes Technology, University of Virginia, Charlottesville, VA, USA
| | - Leon S Farhi
- Department of Medicine, Division of Endocrinology and Metabolism, University of Virginia, Charlottesville, VA, USA
| | - Marc D Breton
- Center for Diabetes Technology, University of Virginia, Charlottesville, VA, USA
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