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Prins MLM, Prins C, de Vries JJC, Visser LG, Roukens AHE. Establishing immunogenicity and safety of needle-free intradermal delivery by nanoporous ceramic skin patch of mRNA SARS-CoV-2 vaccine as a revaccination strategy in healthy volunteers. Virus Res 2023; 334:199175. [PMID: 37473964 PMCID: PMC10392605 DOI: 10.1016/j.virusres.2023.199175] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
INTRODUCTION Nanoporous microneedle arrays (npMNA) are being developed as skin patches for vaccine delivery. As alternative for needle-based immunisation, they may potentially result in higher vaccine acceptance, which is important for future mass vaccination campaigns to control outbreaks, such as COVID-19, and for public vaccination in general. In this study we investigated the safety and immunogenicity of needle-free intradermal delivery of a fractional third or fourth dose of mRNA-1273 vaccine by npMNA. METHODS This study was an open-label, randomised-controlled, proof-of-concept study. Healthy adults were eligible if they had received a primary immunisation series against SARS-CoV-2 with two doses of mRNA-1273 (Moderna) or BNT162b2 (Pfizer-BioNTech) mRNA vaccine. A history of a COVID-19 infection or booster vaccination with mRNA-1273 or BNT162b2 was allowed if it occurred at least three months before inclusion. Participants were randomised in a 1:1 ratio to receive 20 µg mRNA-1273 vaccine, either through npMNA patch applied on the skin (ID-patch group), or through intramuscular (IM) injection (IM-control group). Primary outcomes were reactogenicity up to two weeks after vaccination, and fold-increase of SARS-CoV-2 spike S1-specific IgG antibodies 14 days post-vaccination. RESULTS In April 2022, 20 participants were enroled. The geometric mean concentration (GMC) did not increase in the ID-patch group after vaccination, in contrast to the IM-control group (GMC was 1,006 BAU/mL (95% CI 599-1,689), 3,855 (2,800-5,306), and 3,513 (2,554-4,833) at day 1, 15 and 29, respectively). In addition, SARS-CoV-2-specific T cell responses were lower after ID vaccination through npMNA. CONCLUSION Needle-free delivery of 20 µg mRNA-1273 vaccine by npMNA failed to induce antibody and T cell responses. As this is a potentially very useful vaccination method, it is important to determine which adjustments are needed to make this npMNA successful. CLINICAL TRIAL REGISTRY (ON CLINICALTRIAL.GOV): NCT05315362.
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Affiliation(s)
- Manon L M Prins
- Department of Infectious Diseases, Leiden University Medical Centre, C5-P Albinusdreef 2, Leiden, ZA 2333, the Netherlands.
| | - Corine Prins
- Department of Infectious Diseases, Leiden University Medical Centre, C5-P Albinusdreef 2, Leiden, ZA 2333, the Netherlands
| | - Jutte J C de Vries
- Department of Medical Microbiology, Leiden University Medical Centre, Leiden, the Netherlands
| | - Leo G Visser
- Department of Infectious Diseases, Leiden University Medical Centre, C5-P Albinusdreef 2, Leiden, ZA 2333, the Netherlands
| | - Anna H E Roukens
- Department of Infectious Diseases, Leiden University Medical Centre, C5-P Albinusdreef 2, Leiden, ZA 2333, the Netherlands
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Kaidarova A, Geraldi NR, Wilson RP, Kosel J, Meekan MG, Eguíluz VM, Hussain MM, Shamim A, Liao H, Srivastava M, Saha SS, Strano MS, Zhang X, Ooi BS, Holton M, Hopkins LW, Jin X, Gong X, Quintana F, Tovasarov A, Tasmagambetova A, Duarte CM. Wearable sensors for monitoring marine environments and their inhabitants. Nat Biotechnol 2023; 41:1208-1220. [PMID: 37365259 DOI: 10.1038/s41587-023-01827-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 05/12/2023] [Indexed: 06/28/2023]
Abstract
Human societies depend on marine ecosystems, but their degradation continues. Toward mitigating this decline, new and more effective ways to precisely measure the status and condition of marine environments are needed alongside existing rebuilding strategies. Here, we provide an overview of how sensors and wearable technology developed for humans could be adapted to improve marine monitoring. We describe barriers that have slowed the transition of this technology from land to sea, update on the developments in sensors to advance ocean observation and advocate for more widespread use of wearables on marine organisms in the wild and in aquaculture. We propose that large-scale use of wearables could facilitate the concept of an 'internet of marine life' that might contribute to a more robust and effective observation system for the oceans and commercial aquaculture operations. These observations may aid in rationalizing strategies toward conservation and restoration of marine communities and habitats.
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Affiliation(s)
- Altynay Kaidarova
- Red Sea Research Center and Computational Biosciences Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
- Central Asian Institute of Ecological Research, Almaty, Kazakhstan.
| | - Nathan R Geraldi
- Red Sea Research Center and Computational Biosciences Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- NatureMetrics, Guildford, UK
| | - Rory P Wilson
- Biosciences, College of Science, Swansea University, Swansea, UK
| | - Jürgen Kosel
- Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Sensors Systems Division, Silicon Austria Labs, High Tech Campus, Villach, Austria
| | - Mark G Meekan
- Australian Institute of Marine Science, the Indian Ocean Marine Research Centre, University of Western Australia, Oceans Institute, Crawley, Western Australia, Australia
| | - Víctor M Eguíluz
- Instituto de Física Interdisciplinary Sistemas Complejos IFISC (CSIC-UIB), Palma de Mallorca, Spain
| | | | - Atif Shamim
- Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Hanguang Liao
- Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Mani Srivastava
- Electrical and Computer Engineering Department, University of California, Los Angeles, CA, USA
| | - Swapnil Sayan Saha
- Electrical and Computer Engineering Department, University of California, Los Angeles, CA, USA
| | - Michael S Strano
- Department of Chemical Engineering and Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Xiangliang Zhang
- Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Boon S Ooi
- Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Mark Holton
- Biosciences, College of Science, Swansea University, Swansea, UK
| | - Lloyd W Hopkins
- Biosciences, College of Science, Swansea University, Swansea, UK
| | - Xiaojia Jin
- Department of Chemical Engineering and Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Xun Gong
- Department of Chemical Engineering and Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Flavio Quintana
- Instituto de Biología de Organismos Marinos (IBIOMAR), CONICET, Puerto Madryn, Argentina
| | | | | | - Carlos M Duarte
- Red Sea Research Center and Computational Biosciences Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
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Tsung TH, Tsai YC, Lee HP, Chen YH, Lu DW. Biodegradable Polymer-Based Drug-Delivery Systems for Ocular Diseases. Int J Mol Sci 2023; 24:12976. [PMID: 37629157 PMCID: PMC10455181 DOI: 10.3390/ijms241612976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Ocular drug delivery is a challenging field due to the unique anatomical and physiological barriers of the eye. Biodegradable polymers have emerged as promising tools for efficient and controlled drug delivery in ocular diseases. This review provides an overview of biodegradable polymer-based drug-delivery systems for ocular diseases with emphasis on the potential for biodegradable polymers to overcome the limitations of conventional methods, allowing for sustained drug release, improved bioavailability, and targeted therapy. Natural and synthetic polymers are both discussed, highlighting their biodegradability and biocompatibility. Various formulation strategies, such as nanoparticles, hydrogels, and microemulsions, among others, are investigated, detailing preparation methods, drug encapsulation, and clinical applications. The focus is on anterior and posterior segment drug delivery, covering glaucoma, corneal disorders, ocular inflammation, retinal diseases, age-related macular degeneration, and diabetic retinopathy. Safety considerations, such as biocompatibility evaluations, in vivo toxicity studies, and clinical safety, are addressed. Future perspectives encompass advancements, regulatory considerations, and clinical translation challenges. In conclusion, biodegradable polymers offer potential for efficient and targeted ocular drug delivery, improving therapeutic outcomes while reducing side effects. Further research is needed to optimize formulation strategies and address regulatory requirements for successful clinical implementation.
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Affiliation(s)
- Ta-Hsin Tsung
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (T.-H.T.); (Y.-C.T.); (H.-P.L.); (Y.-H.C.)
| | - Yu-Chien Tsai
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (T.-H.T.); (Y.-C.T.); (H.-P.L.); (Y.-H.C.)
- Department of Ophthalmology, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
| | - Hsin-Pei Lee
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (T.-H.T.); (Y.-C.T.); (H.-P.L.); (Y.-H.C.)
| | - Yi-Hao Chen
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (T.-H.T.); (Y.-C.T.); (H.-P.L.); (Y.-H.C.)
| | - Da-Wen Lu
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan; (T.-H.T.); (Y.-C.T.); (H.-P.L.); (Y.-H.C.)
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Baker-Sediako RD, Richter B, Blaicher M, Thiel M, Hermatschweiler M. Industrial perspectives for personalized microneedles. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:857-864. [PMID: 37615014 PMCID: PMC10442529 DOI: 10.3762/bjnano.14.70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 08/02/2023] [Indexed: 08/25/2023]
Abstract
Microneedles and, subsequently, microneedle arrays are emerging miniaturized medical devices for painless transdermal drug delivery. New and improved additive manufacturing methods enable novel microneedle designs to be realized for preclinical and clinical trial assessments. However, current literature reviews suggest that industrial manufacturers and researchers have focused their efforts on one-size-fits-all designs for transdermal drug delivery, regardless of patient demographic and injection site. In this perspective article, we briefly review current microneedle designs, microfabrication methods, and industrialization strategies. We also provide an outlook where microneedles may become personalized according to a patient's demographic in order to increase drug delivery efficiency and reduce healing times for patient-centric care.
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Affiliation(s)
| | - Benjamin Richter
- Nanoscribe Gmbh & Co, Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen, Germany
| | - Matthias Blaicher
- Nanoscribe Gmbh & Co, Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen, Germany
| | - Michael Thiel
- Nanoscribe Gmbh & Co, Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen, Germany
| | - Martin Hermatschweiler
- Nanoscribe Gmbh & Co, Hermann-von-Helmholtz-Platz 6, 76344 Eggenstein-Leopoldshafen, Germany
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Han S, Lee P, Choi HJ. Non-Invasive Vaccines: Challenges in Formulation and Vaccine Adjuvants. Pharmaceutics 2023; 15:2114. [PMID: 37631328 PMCID: PMC10458847 DOI: 10.3390/pharmaceutics15082114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Given the limitations of conventional invasive vaccines, such as the requirement for a cold chain system and trained personnel, needle-based injuries, and limited immunogenicity, non-invasive vaccines have gained significant attention. Although numerous approaches for formulating and administrating non-invasive vaccines have emerged, each of them faces its own challenges associated with vaccine bioavailability, toxicity, and other issues. To overcome such limitations, researchers have created novel supplementary materials and delivery systems. The goal of this review article is to provide vaccine formulation researchers with the most up-to-date information on vaccine formulation and the immunological mechanisms available, to identify the technical challenges associated with the commercialization of non-invasive vaccines, and to guide future research and development efforts.
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Affiliation(s)
| | | | - Hyo-Jick Choi
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada; (S.H.); (P.L.)
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Sharma MB, Kap Ö, Abdelmohsen HAM, Ashton MD, Harper GR, Firlak M, Aaltonen JE, Bolland KA, Bragg R, Deeley S, Francis E, Kazi N, Mapley BL, Oikonomou V, Aljohani AD, Cheneler D, Kilic V, Horzum N, Hardy JG. Poly(2-Hydroxyethyl Methacrylate) Hydrogel-Based Microneedles for Metformin Release. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2300002. [PMID: 37635699 PMCID: PMC10448145 DOI: 10.1002/gch2.202300002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/21/2023] [Indexed: 08/29/2023]
Abstract
The release of metformin, a drug used in the treatment of cancer and diabetes, from poly(2-hydroxyethyl methacrylate), pHEMA, hydrogel-based microneedle patches is demonstrated in vitro. Tuning the composition of the pHEMA hydrogels enables preparation of robust microneedle patches with mechanical properties such that they would penetrate skin (insertion force of a single microneedle to be ≈40 N). Swelling experiments conducted at 20, 35, and 60 °C show temperature-dependent degrees of swelling and diffusion kinetics. Drug release from the pHEMA hydrogel-based microneedles is fitted to various models (e.g., zero order, first order, second order). Such pHEMA microneedles have potential application for transdermal delivery of metformin for the treatment of aging, cancer, diabetes, etc.
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Affiliation(s)
- Manoj B. Sharma
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
- School of EngineeringLancaster UniversityLancasterLA1 4YWUK
| | - Özlem Kap
- Department of Engineering SciencesIzmir Katip Celebi UniversityIzmir35620Turkey
| | - Hend A. M. Abdelmohsen
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
- Department of Pharmaceutics and Industrial PharmacyFaculty of PharmacyAin Shams UniversityAfrican Union Organization StreetAbbassiaCairo11566Egypt
| | - Mark D. Ashton
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | - Garry R. Harper
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | - Melike Firlak
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
- Department of ChemistryGebze Technical UniversityGebze41400Turkey
| | | | | | - Ryan Bragg
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | - Sarah Deeley
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | - Ella Francis
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | - Nahin Kazi
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
| | | | | | - Amal D. Aljohani
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
- Department of Chemistry (Female Section)Faculty of ScienceKing Abdulaziz UniversityJeddah‐Rabbigh21589Saudi Arabia
| | - David Cheneler
- School of EngineeringLancaster UniversityLancasterLA1 4YWUK
- Materials Science InstituteLancaster UniversityLancasterLA1 4YBUK
| | - Volkan Kilic
- Department of Electrical and Electronics EngineeringIzmir Katip Celebi UniversityIzmir35620Turkey
| | - Nesrin Horzum
- Department of Engineering SciencesIzmir Katip Celebi UniversityIzmir35620Turkey
| | - John G. Hardy
- Department of ChemistryLancaster UniversityLancasterLA1 4YBUK
- Materials Science InstituteLancaster UniversityLancasterLA1 4YBUK
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Khalid R, Mahmood S, Mohamed Sofian Z, Hilles AR, Hashim NM, Ge Y. Microneedles and Their Application in Transdermal Delivery of Antihypertensive Drugs-A Review. Pharmaceutics 2023; 15:2029. [PMID: 37631243 PMCID: PMC10459756 DOI: 10.3390/pharmaceutics15082029] [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: 06/07/2023] [Revised: 06/30/2023] [Accepted: 07/12/2023] [Indexed: 08/27/2023] Open
Abstract
One of the most cutting-edge, effective, and least invasive pharmaceutical innovations is the utilization of microneedles (MNs) for drug delivery, patient monitoring, diagnostics, medicine or vaccine delivery, and other medical procedures (e.g., intradermal vaccination, allergy testing, dermatology, and blood sampling). The MN-based system offers many advantages, such as minimal cost, high medical effectiveness, comparatively good safety, and painless drug application. Drug delivery through MNs can possibly be viewed as a viable instrument for various macromolecules (e.g., proteins, peptides, and nucleic acids) that are not efficiently administered through traditional approaches. This review article provides an overview of MN-based research in the transdermal delivery of hypertensive drugs. The critical attributes of microneedles are discussed, including the mechanism of drug release, pharmacokinetics, fabrication techniques, therapeutic applications, and upcoming challenges. Furthermore, the therapeutic perspective and improved bioavailability of hypertensive drugs that are poorly aqueous-soluble are also discussed. This focused review provides an overview of reported studies and the recent progress of MN-based delivery of hypertensive drugs, paving the way for future pharmaceutical uses. As MN-based drug administration bypasses first-pass metabolism and the high variability in drug plasma levels, it has grown significantly more important for systemic therapy. In conclusion, MN-based drug delivery of hypertensive drugs for increasing bioavailability and patient compliance could support a new trend of hypertensive drug delivery and provide an alternative option, overcoming the restrictions of the current dosage forms.
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Affiliation(s)
- Ramsha Khalid
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (R.K.); (Z.M.S.)
| | - Syed Mahmood
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (R.K.); (Z.M.S.)
| | - Zarif Mohamed Sofian
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (R.K.); (Z.M.S.)
| | - Ayah R. Hilles
- INHART, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur 53100, Malaysia;
| | - Najihah Mohd Hashim
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia;
- Center for Natural Products Research and Drug Discovery (CENAR), Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Yi Ge
- School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, UK
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Wu Y, Tang Z, Ma S, Du L. The promising application of hydrogel microneedles in medical application. J Pharm Pharmacol 2023:rgad058. [PMID: 37330272 DOI: 10.1093/jpp/rgad058] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/31/2023] [Indexed: 06/19/2023]
Abstract
OBJECTIVES Hydrogel microneedles are emerging, and promising microneedles mainly composed of swelling polymers. This review is intended to summarize the preparation materials, formation mechanisms, applications and existing problems of hydrogel microneedles. METHODS We collected the literature on the materials, preparation and application of hydrogel microneedles in recent years, and summarized their mechanism and application in drugs delivery. KEY FINDINGS Hydrogel microneedles have higher safety and capabilities of controlled drug release, and have been mainly used in tumour and diabetes treatment, as well as clinical monitoring. In recent years, hydrogel microneedles have shown great potential in drug delivery, and have played the role of whitening, anti-inflammatory and promoting healing. CONCLUSIONS As an emerging drug delivery idea, hydrogel microneedles for drug delivery has gradually become a research hotspot. This review will provide a systematic vision for the favourable development of hydrogel microneedles and their promising application in medicine, especially drug delivery.
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Affiliation(s)
- Yanping Wu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Ziyan Tang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Shan Ma
- School of Rehabilitation, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Lina Du
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
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Gopan G, Jose J, Khot KB, Bandiwadekar A. The use of cellulose, chitosan and hyaluronic acid in transdermal therapeutic management of obesity: A review. Int J Biol Macromol 2023:125374. [PMID: 37330096 DOI: 10.1016/j.ijbiomac.2023.125374] [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: 02/03/2023] [Revised: 05/29/2023] [Accepted: 06/11/2023] [Indexed: 06/19/2023]
Abstract
Obesity is a clinical condition with rising popularity and detrimental impacts on human health. According to the World Health Organization, obesity is the sixth most common cause of death worldwide. It is challenging to combat obesity because medications that are successful in the clinical investigation have harmful side effects when administered orally. The conventional approaches for treating obesity primarily entail synthetic compounds and surgical techniques but possess severe adverse effects and recurrences. As a result, a safe and effective strategy to combat obesity must be initiated. Recent studies have shown that biological macromolecules of the carbohydrate class, such as cellulose, hyaluronic acid, and chitosan, can enhance the release and efficacy of medications for obesity but due to their short biological half-lives and poor oral bioavailability, their distribution rate is affected. This helps to comprehend the need for an effective therapeutic approach via a transdermal drug delivery system. This review focuses on the transdermal administration, utilizing cellulose, chitosan, and hyaluronic acid via microneedles, as it offers a promising solution to overcome existing therapy limitations in managing obesity and it also highlights how microneedles can effectively deliver therapeutic substances through the skin's outer layer, bypassing pain receptors and specifically targeting adipose tissue.
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Affiliation(s)
- Gopika Gopan
- NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Department of Pharmaceutics, Mangalore 575018, India
| | - Jobin Jose
- NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Department of Pharmaceutics, Mangalore 575018, India.
| | - Kartik Bhairu Khot
- NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Department of Pharmaceutics, Mangalore 575018, India
| | - Akshay Bandiwadekar
- NITTE Deemed-to-be University, NGSM Institute of Pharmaceutical Sciences, Department of Pharmaceutics, Mangalore 575018, India
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Yang MR, Cheng YT, Tsai HC, Darge HF, Huang CC, Lin SY. Hofmeister effect-based soaking strategy for gelatin hydrogels with adjustable gelation temperature, mechanical properties, and ionic conductivity. BIOMATERIALS ADVANCES 2023; 152:213504. [PMID: 37331244 DOI: 10.1016/j.bioadv.2023.213504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/19/2023] [Accepted: 06/05/2023] [Indexed: 06/20/2023]
Abstract
As a natural polymer with good biocompatibility, gelatin hydrogel has been widely used in the field of biomedical science for a long time. However, the lack of suitable gelation temperature and mechanical properties often limit the clinical applicability in diverse and complex environments. Here, we proposed a strategy based on the Hofmeister effect that gelatin hydrogels were soaked in the appropriate concentration of sodium sulfate solution, and the change in molecular chain interactions mainly guided by kosmotropic ions resulted in a comprehensive adjustment of multiple properties. A series of gelatin hydrogels treated with different concentrations of the salt solution gave rise to microstructural changes, which brought a decrease in the number and size of pores, a wide range of gelation temperature from 32 °C to 46 °C, a stress enhancement of about 40 times stronger to 0.8345 MPa, a strain increase of about 7 times higher to 238.05 %, and a certain degree of electrical conductivity to be utilized for versatile applications. In this regard, for example, we prepared microneedles and obtained a remarkable compression (punctuation) strength of 0.661 N/needle, which was 55 times greater than those of untreated ones. Overall, by integrating various characterizations and suggesting the corresponding mechanism behind the phenomenon, this method provides a simpler and more convenient performance control procedure. This allowed us to easily modulate the properties of the hydrogel as per the intended purpose, revealing its vast potential applications such as smart sensors, electronic skin, and drug delivery.
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Affiliation(s)
- Meng-Ru Yang
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Yu-Ting Cheng
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Hsieh-Chih Tsai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan; Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei, Taiwan; R&D Center for Membrane Technology, Chung Yuan Christian University, Taoyuan, Taiwan.
| | - Haile Fentahun Darge
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Chun-Chiang Huang
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu, Taiwan.
| | - Shuian-Yin Lin
- Biomedical Technology and Device Research Center, Industrial Technology Research Institute, Hsinchu, Taiwan.
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Sultana N, Waheed A, Ali A, Jahan S, Aqil M, Sultana Y, Mujeeb M. Exploring new frontiers in drug delivery with minimally invasive microneedles: fabrication techniques, biomedical applications and regulatory aspects. Expert Opin Drug Deliv 2023:1-17. [PMID: 37038271 DOI: 10.1080/17425247.2023.2201494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
INTRODUCTION Transdermal drug delivery is limited by the stratum corneum, inhibiting the therapeutic potential of the permeants. Microneedles (MN) have opened new frontiers in transdermal drug delivery systems. These micro-sized needles offer painless and accentuated delivery of drugs even with high molecular weights. AREAS COVERED The review embodies drug delivery strategies with microneedles with a description of MN types and fabrication techniques using various materials. The application of MN is not limited to drug delivery, but it also encompasses in vaccine delivery, diagnosis, phlebotomy and even in the cosmetic industry. The review also tabulates microneedle-based marketed formulations. In a nutshell, we aim to present a panoramic view of microneedles including the design, applications, and regulatory aspects of MN. EXPERT OPINION With the availability of numerous materials at the disposal of pharmaceutical scientists; the microneedle-based drug delivery technology has offered significant interventions towards the management of chronic maladies including cardiovascular disorders, diabetes, asthma, mental depression, etc. As happens with any new technology there are concerns with MN also such as biocompatibility issues with the material used for the fabrication. Nevertheless, the pharmaceutical industry must strive for preparing harmless, efficient, and cost-effective MN based delivery systems for wider acceptance and patient compliance.
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Affiliation(s)
- Niha Sultana
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Ayesha Waheed
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Asad Ali
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Samreen Jahan
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Mohd Aqil
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Yasmin Sultana
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
| | - Mohd Mujeeb
- School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India-110062
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62
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Altay Benetti A, Tarbox T, Benetti C. Current Insights into the Formulation and Delivery of Therapeutic and Cosmeceutical Agents for Aging Skin. COSMETICS 2023. [DOI: 10.3390/cosmetics10020054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
“Successful aging” counters the traditional idea of aging as a disease and is increasingly equated with minimizing age signs on the skin, face, and body. From this stems the interest in preventative aesthetic dermatology that might help with the healthy aging of skin, help treat or prevent certain cutaneous disorders, such as skin cancer, and help delay skin aging by combining local and systemic methods of therapy, instrumental devices, and invasive procedures. This review will discuss the main mechanisms of skin aging and the potential mechanisms of action for commercial products already on the market, highlighting the issues related to the permeation of the skin from different classes of compounds, the site of action, and the techniques employed to overcome aging. The purpose is to give an overall perspective on the main challenges in formulation development, especially nanoparticle formulations, which aims to defeat or slow down skin aging, and to highlight new market segments, such as matrikines and matrikine-like peptides. In conclusion, by applying enabling technologies such as those delivery systems outlined here, existing agents can be repurposed or fine-tuned, and traditional but unproven treatments can be optimized for efficacious dosing and safety.
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63
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Vijayanand S, Patil S, Menon I, Braz Gomes K, Kale A, Bagwe P, Uddin MN, Zughaier SM, D’Souza MJ. An Adjuvanted Inactivated SARS-CoV-2 Microparticulate Vaccine Delivered Using Microneedles Induces a Robust Immune Response in Vaccinated Mice. Pharmaceutics 2023; 15:pharmaceutics15030895. [PMID: 36986756 PMCID: PMC10058898 DOI: 10.3390/pharmaceutics15030895] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/21/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
SARS-CoV-2, the causal agent of COVID-19, is a contagious respiratory virus that frequently mutates, giving rise to variant strains and leading to reduced vaccine efficacy against the variants. Frequent vaccination against the emerging variants may be necessary; thus, an efficient vaccination system is needed. A microneedle (MN) vaccine delivery system is non-invasive, patient-friendly, and can be self-administered. Here, we tested the immune response produced by an adjuvanted inactivated SARS-CoV-2 microparticulate vaccine administered via the transdermal route using a dissolving MN. The inactivated SARS-CoV-2 vaccine antigen and adjuvants (Alhydrogel® and AddaVax™) were encapsulated in poly(lactic-co-glycolic acid) (PLGA) polymer matrices. The resulting MP were approximately 910 nm in size, with a high percentage yield and percent encapsulation efficiency of 90.4%. In vitro, the vaccine MP was non-cytotoxic and increased the immunostimulatory activity measured as nitric oxide release from dendritic cells. The adjuvant MP potentiated the immune response of the vaccine MP in vitro. In vivo, the adjuvanted SARS-CoV-2 MP vaccine induced high levels of IgM, IgG, IgA, IgG1, and IgG2a antibodies and CD4+ and CD8+ T-cell responses in immunized mice. In conclusion, the adjuvanted inactivated SARS-CoV-2 MP vaccine delivered using MN induced a robust immune response in vaccinated mice.
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Affiliation(s)
- Sharon Vijayanand
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Smital Patil
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Mohammad N. Uddin
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Susu M. Zughaier
- College of Medicine, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
- Correspondence:
| | - Martin J. D’Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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64
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Huang X, Chang Q, Gao JH, Lu F. Sustained Release Microneedles: Materials and Applications in Facial Rejuvenation. TISSUE ENGINEERING. PART B, REVIEWS 2023. [PMID: 36200631 DOI: 10.1089/ten.teb.2022.0131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Wrinkled and loose skin resulting from collagen degradation along with fibers decreasing reflects the youth diminishing. Microneedles (MNs) have opened up new avenues for the development of painless and noninvasive transdermal drug delivery systems for facial rejuvenation. Encapsulated drugs or molecules are transmitted to targeted tissues via percutaneous microchannels, which eliminate potential gastric stimulation or first-pass metabolic effects, as well as boost patient compliance. Although MNs are considered effective and feasible therapeutic alternatives to metals, silicon, and polymers, traditional procedures with reduction processes continue to encounter methodological limitations. In recent years, promising additive manufacturing processes such as three-dimensional printing and two-photon polymerization manufacturing have been developed with the aim of overcoming the limitations by traditional processes to facilitate an efficient and economic production mode. This review summarizes the design, material selection, and manufacturing method for recently advanced MN systems. Furthermore, we also highlight specific polymeric or natural microneedle products, like hyaluronan, plant derivates, and vitamins, for esthetic applications in this review. Impact Statement In this review, the materials and manufactural routes of microneedles (MNs) are detailed. Moreover, similar to the diagnostic or therapeutic MNs, the feature of dispensation with training and ready-to-use is perfect for beautification and anti-aging, which necessitate repeated and long-term usage. Furthermore, the specific polymeric or natural products for esthetic applications of MNs are highlighted in this review.
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Affiliation(s)
- Xiaoqi Huang
- Department of Plastic and Reconstruction Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiang Chang
- Department of Plastic and Reconstruction Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jian-Hua Gao
- Department of Plastic and Reconstruction Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feng Lu
- Department of Plastic and Reconstruction Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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65
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Wang R, Wang H, Jiang G, Sun Y, Liu T, Nie L, Shavandi A, Yunusov KE, Aharodnikau UE, Solomevich SO. Transdermal delivery of allopurinol to acute hyperuricemic mice via polymer microneedles for the regulation of serum uric acid levels. Biomater Sci 2023; 11:1704-1713. [PMID: 36628631 DOI: 10.1039/d2bm01836e] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Allopurinol (AP) is widely used to treat hyperuricemia which may cause severe side effects upon oral administration. Alternative means for the treatment of hyperuricemia are demanded to simultaneously facilitate drug absorption, patient compliance, and fewer side effects. In this study, a new polymer microneedle (MN) system was developed for the transdermal delivery of AP to acute hyperuricemic mice. This study aims to achieve the controllable regulation of serum uric acid (SUA) levels with fewer side effects compared with oral administration. The matrix of polymer MNs consisted of polyvinylpyrrolidone (PVP) and polycaprolactone (PCL), in which the rapid dissolution of PVP offers a rapid dissolution of AP into the blood and the biodegradability of PCL resulting in a sustainable drug release behavior. An in vivo study demonstrated that the AP-loaded MN system can effectively reduce the SUA levels as oral administration with lower side effects, which will be conducive to reducing the adverse reactions and improving the bioavailability of AP. This MN-mediated strategy can facilitate transcutaneous hyperuricemia treatment and provide a new alternative for the exploration of clinical treatment of hyperuricemia and improvement of patient compliance.
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Affiliation(s)
- Rui Wang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Han Wang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China. .,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Hangzhou, 310018, China
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, 310018, China.
| | - Tianqi Liu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Lei Nie
- College of Life Science, Xinyang Normal University, Xinyang, China.,3BIO-BioMatter, École polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Amin Shavandi
- 3BIO-BioMatter, École polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Khaydar E Yunusov
- Institute of Polymer Chemistry and Physics, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
| | | | - Sergey O Solomevich
- Research Institute for Physical Chemical Problems, Belarusian State University, Minsk, Belarus
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66
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Microneedles for Efficient and Precise Drug Delivery in Cancer Therapy. Pharmaceutics 2023; 15:pharmaceutics15030744. [PMID: 36986606 PMCID: PMC10057903 DOI: 10.3390/pharmaceutics15030744] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/08/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Cancer is the leading cause of death, acting as a global burden, severely impacting the patients’ quality of life and affecting the world economy despite the expansion of cumulative advances in oncology. The current conventional therapies for cancer which involve long treatment duration and systemic exposure of drugs leads to premature degradation of drugs, a massive amount of pain, side effects, as well as the recurrence of the condition. There is also an urgent demand for personalized and precision-based medicine, especially after the recent pandemic, to avoid future delays in diagnosis or treatments for cancer patients as they are very essential in reducing the global mortality rate. Recently, microneedles which consist of a patch with tiny, micron-sized needles attached to it have been quite a sensation as an emerging technology for transdermal application to diagnose or treat various illnesses. The application of microneedles in cancer therapies is also being extensively studied as they offer a myriad of benefits, especially since microneedle patches offer a better treatment approach through self administration, painless treatment, and being an economically and environmentally friendly approach in comparison with other conventional methods. The painless gains from microneedles significantly improves the survival rate of cancer patients. The emergence of versatile and innovative transdermal drug delivery systems presents a prime breakthrough opportunity for safer and more effective therapies, which could meet the demands of cancer diagnosis and treatment through different application scenarios. This review highlights the types of microneedles, fabrication methods and materials, along with the recent advances and opportunities. In addition, this review also addresses the challenges and limitations of microneedles in cancer therapy with solutions through current studies and future works to facilitate the clinical translation of microneedles in cancer therapies.
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67
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Zhang Z, Du G, Sun X, Zhang Z. Viscoelastic Properties of Polymeric Microneedles Determined by Micromanipulation Measurements and Mathematical Modelling. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1769. [PMID: 36902883 PMCID: PMC10003889 DOI: 10.3390/ma16051769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/30/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Microneedles, including dissolvable ones made from biocompatible and biodegradable materials, have been widely studied and can potentially be used for transdermal drug delivery, disease diagnosis (sampling), skin care, etc. Characterizing their mechanical properties is essential, as being mechanically strong enough to pierce the skin barrier is one of the most fundamental and crucial requirements for them. The micromanipulation technique was based on compressing single microparticles between two flat surfaces to obtain force and displacement data simultaneously. Two mathematical models had already been developed to calculate the rupture stress and apparent Young's modulus, which can identify variations of these parameters in single microneedles within a microneedle patch. In this study, a new model has been developed to determine the viscoelasticity of single microneedles made of hyaluronic acid (HA) with a molecular weight of 300 kDa loaded with lidocaine by using the micromanipulation technique to gather experimental data. The modelling results from the micromanipulation measurements suggest that the microneedles were viscoelastic and their mechanical behaviour was strain-rate dependent, which implies that the penetration efficiency of viscoelastic microneedles can be improved by increasing their piercing speed into the skin.
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Affiliation(s)
- Zhihua Zhang
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
- Changzhou Institute of Advanced Manufacturing Technology, Changzhou 213164, China
| | - Guangsheng Du
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xun Sun
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhibing Zhang
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
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68
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Rapidly Dissolving Microneedles for the Delivery of Steroid-Loaded Nanoparticles Intended for the Treatment of Inflammatory Skin Diseases. Pharmaceutics 2023; 15:pharmaceutics15020526. [PMID: 36839849 PMCID: PMC9967926 DOI: 10.3390/pharmaceutics15020526] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/21/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Drug delivery through the skin has immense advantages compared to other routes of administration and offers an optimal way to treat inflammatory skin diseases, where corticosteroids are the cornerstone of topical therapy. Still, their therapeutic efficiency is limited due to inadequate skin permeability, potential side effects, and reduced patient compliance. To overcome these drawbacks, we propose a drug delivery system consisting of dexamethasone (DEX)-loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) incorporated in sodium alginate (SA) microneedles (MNs) as a minimally invasive dosage form for controlled drug release. Drug-loaded PLGA NPs were prepared by a nanoprecipitation method with a high encapsulation yield. They exhibited a controlled release pattern over 120 h. A modified vacuum-deposition micromolding method was used to load the obtained DEX-NPs into the tips of dissolving MNs. The NP-MNs showed improved insertion capabilities into the skin-simulant parafilm model and enhanced mechanical strength when tested against different static forces compared to their counterparts (SA-MNs). The results of an MN dissolution study following application to ex vivo chicken skin and agarose gel indicate that the NP-loaded segments of MNs dissolve within 15 s, in which the NPs are released into the skin. Taken together, the incorporation of DEX-NPs into SA-MNs could be a promising approach to bypass the limitations of conventional topical treatment of skin diseases, allowing for self-administration, increased patient compliance, and controlled drug release.
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69
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De Decker I, Logé T, Hoeksema H, Speeckaert MM, Blondeel P, Monstrey S, Claes KEY. Dissolving microneedles for effective and painless intradermal drug delivery in various skin conditions: A systematic review. J Dermatol 2023; 50:422-444. [PMID: 36700529 DOI: 10.1111/1346-8138.16732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/21/2022] [Accepted: 01/05/2023] [Indexed: 01/27/2023]
Abstract
Intra- and transdermal administration of substances via percutaneous injection is effective but considered painful, and inconvenient in addition to bringing forth biohazardous waste material. In contrast to injection, topical drug application, which includes ointments, creams and lotions, increases the local drug load. Moreover, it has reduced side effects compared to systemic administration. However, the epidermis poses a barrier to high molecular weight substances, limiting the delivery efficiency. Dissolving microneedles (DMN) are hydrophilic, mostly polymer-based constructs that are capable of skin penetration and were developed to provide painless and direct dermal drug delivery. This systematic review provides a comprehensive overview of the available clinical evidence for the use of DMN to treat various skin conditions. According to the PRISMA statement, a systematic search for articles on the use of DMN for dermatological indications was conducted on three different databases (Pubmed, Embase, and the Cochrane library). Only human clinical trials were considered. Qualitative assessment was done by two separate reviewers using the Cochrane risk of bias (RoB 2) and Chambers' criteria assessment tools. The search yielded 1090 articles. After deduplication and removal of ineligible records, 889 records were screened on title and abstract. Full text screening was done for 18 articles and ultimately 17 articles were included of which 15 were randomized controlled trials and two were case series. The quality assessment showed that the majority of included studies had low to no risk of bias. Clinical data supports that DMN are an excellent, effective, and pain free drug delivery method for multiple dermatological disorders including skin aging, hyperpigmentation, psoriasis, warts, and keloids by supplying a painless and effective vehicle for intradermal/intralesional drug administration. Microneedle technology provides a promising non- to minimally-invasive alternative to percutaneous injection.
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Affiliation(s)
- Ignace De Decker
- Burn Center, Ghent University Hospital, Ghent, Belgium.,Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Thomas Logé
- Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Henk Hoeksema
- Burn Center, Ghent University Hospital, Ghent, Belgium.,Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | | | - Phillip Blondeel
- Burn Center, Ghent University Hospital, Ghent, Belgium.,Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Stan Monstrey
- Burn Center, Ghent University Hospital, Ghent, Belgium.,Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Karel E Y Claes
- Burn Center, Ghent University Hospital, Ghent, Belgium.,Department of Plastic Surgery, Ghent University Hospital, Ghent, Belgium
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70
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Metallic Microneedles for Transdermal Drug Delivery: Applications, Fabrication Techniques and the Effect of Geometrical Characteristics. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 10:bioengineering10010024. [PMID: 36671595 PMCID: PMC9855189 DOI: 10.3390/bioengineering10010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/17/2022] [Accepted: 12/15/2022] [Indexed: 12/28/2022]
Abstract
Current procedures for transdermal drug delivery (TDD) have associated limitations including poor administration of nucleic acid, small or large drug molecules, pain and stress for needle phobic people. A painless micro-sized device capable of delivering drugs easily and efficiently, eliminating the disadvantages of traditional systems, has yet to be developed. While polymeric-based microneedle (MN) arrays have been used successfully and clinically as TDD systems, these devices lack mechanical integrity, piercing capacity and the ability to achieve tailored drug release into the systemic circulation. Recent advances in micro/nano fabrication techniques using Additive Manufacturing (AM), also known as 3D printing, have enabled the fabrication of metallic MN arrays, which offer the potential to overcome the limitations of existing systems. This review summarizes the different types of MNs used in TDD and their mode of drug delivery. The application of MNs in the treatment of a range of diseases including diabetes and cancer is discussed. The potential role of solid metallic MNs in TDD, the various techniques used for their fabrication, and the influence of their geometrical characteristics (e.g., shape, size, base diameter, thickness, and tip sharpness) on effective TDD are explored. Finally, the potential and the future directions relating to the optimization of metallic MN arrays for TDD are highlighted.
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71
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Revolutionizing Therapeutic Delivery with Microneedle Technology for Tumor Treatment. Pharmaceutics 2022; 15:pharmaceutics15010014. [PMID: 36678643 PMCID: PMC9866211 DOI: 10.3390/pharmaceutics15010014] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/11/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
The tumor is an uncontrolled growth of tissue that can be localized (benign) or possesses the capability of metastasis (malignant). The conventional methods of tumor diagnosis, such as acupuncture, endoscopy, and histopathology, and treatment methods, such as injections, chemotherapy, surgery, and radiotherapy, are invasive, expensive, and pose severe safety and management issues for the patients. Microneedle technology is a recently developed approach for active transdermal drug delivery. It is minimally invasive, self-administrable, bypasses the first-pass effect, and effectively delivers chemotherapeutics and drugs at low doses, thus, overcoming the drawbacks of conventional delivery systems. This review provides an idea of the types, materials utilized in the fabrication, and techniques used for the preparation of microneedles (MNs), as well as their application in tumor diagnosis and treatment. Additionally, emphasis is given to the case studies related to MNs-assisted tumor therapy, such as photothermal therapy, gene therapy, photodynamic therapy, chemotherapy, immunotherapy, and various combination therapies. MNs also serve as a tool for diagnosis by the bio-sampling of blood and interstitial skin fluid, as well as biosensing various cancer biomarkers. The combined therapy and diagnostics provide theranostic MNs for enhanced and personalized tumor therapy. The limitations and prospects of MNs development are also discussed.
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72
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Villota I, Calvo PC, Campo OI, Villarreal-Gómez LJ, Fonthal F. Manufacturing of a Transdermal Patch in 3D Printing. MICROMACHINES 2022; 13:2190. [PMID: 36557487 PMCID: PMC9783581 DOI: 10.3390/mi13122190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Diabetes mellitus is an endocrine disorder that affects glucose metabolism, making the body unable to effectively use the insulin it produces. Transdermal drug delivery (TDD) has attracted strong interest from researchers, as it allows minimally invasive and painless insulin administration, showing advantages over conventional delivery methods. Systems composed of microneedles (MNs) assembled in a transdermal patch provide a unique route of administration, which is innovative with promising results. This paper presents the design of a transdermal patch composed of 25 microneedles manufactured with 3D printing by stereolithography with a class 1 biocompatible resin and a printing angle of 0°. Finite element analysis with ANSYS software is used to obtain the mechanical behavior of the microneedle (MN). The values obtained through the analysis were: a Von Misses stress of 18.057 MPa, a maximum deformation of 2.179×10-3, and a safety factor of 4. Following this, through a flow simulation, we find that a pressure of 1.084 Pa and a fluid velocity of 4.800 ms were necessary to ensure a volumetric flow magnitude of 4.447×10-5cm3s. Furthermore, the parameters found in this work are of great importance for the future implementation of a transdermal drug delivery device.
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Affiliation(s)
- Isabella Villota
- Biomedical Engineering Research Group—GBIO, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - Paulo César Calvo
- Biomedical Engineering Research Group—GBIO, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - Oscar Iván Campo
- Biomedical Engineering Research Group—GBIO, Universidad Autónoma de Occidente, Cali 760030, Colombia
| | - Luis Jesús Villarreal-Gómez
- Facultad de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de baja California, Tijuana 21500, Baja California, Mexico
| | - Faruk Fonthal
- Science and Engineering of Materials Research Group-GCIM, Universidad Autónoma de Occidente, Cali 760030, Colombia
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73
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Olowe M, Parupelli SK, Desai S. A Review of 3D-Printing of Microneedles. Pharmaceutics 2022; 14:2693. [PMID: 36559187 PMCID: PMC9786808 DOI: 10.3390/pharmaceutics14122693] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Microneedles are micron-sized devices that are used for the transdermal administration of a wide range of active pharmaceutics substances with minimally invasive pain. In the past decade, various additive manufacturing technologies have been used for the fabrication of microneedles; however, they have limitations due to material compatibility and bioavailability and are time-consuming and expensive processes. Additive manufacturing (AM), which is popularly known as 3D-printing, is an innovative technology that builds three-dimensional solid objects (3D). This article provides a comprehensive review of the different 3D-printing technologies that have the potential to revolutionize the manufacturing of microneedles. The application of 3D-printed microneedles in various fields, such as drug delivery, vaccine delivery, cosmetics, therapy, tissue engineering, and diagnostics, are presented. This review also enumerates the challenges that are posed by the 3D-printing technologies, including the manufacturing cost, which limits its viability for large-scale production, the compatibility of the microneedle-based materials with human cells, and concerns around the efficient administration of large dosages of loaded microneedles. Furthermore, the optimization of microneedle design parameters and features for the best printing outcomes is of paramount interest. The Food and Drug Administration (FDA) regulatory guidelines relating to the safe use of microneedle devices are outlined. Finally, this review delineates the implementation of futuristic technologies, such as artificial intelligence algorithms, for 3D-printed microneedles and 4D-printing capabilities.
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Affiliation(s)
- Michael Olowe
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Santosh Kumar Parupelli
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Salil Desai
- Department of Industrial and Systems Engineering, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
- Center of Excellence in Product Design and Advanced Manufacturing, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
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74
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Liu Y, Huang T, Qian Z, Chen W. Extensible and swellable hydrogel-forming microneedles for deep point-of-care sampling and drug deployment. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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75
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Jia L, Xiong J, Guo R, Li Y, Jiang H. A Comprehensive Review of Microneedling as a Potential Treatment Option for Androgenetic Alopecia. Aesthetic Plast Surg 2022; 46:2979-2994. [PMID: 35930041 DOI: 10.1007/s00266-022-03042-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/21/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Microneedling refers to a minimally invasive technique that uses multiple fine needles targeted skin epidermis for mechanical stimulation to obtain therapeutic or cosmetic effects. It is suitable for the treatment of a variety of dermatological conditions, including androgenetic alopecia (AGA). OBJECTIVE This article aims to make a comprehensive review of the relevant studies on microneedling for the management of AGA. METHODS Extensive literature search was performed using PubMed, Web of Science, and EBSCO databases. 4 in vivo studies and 25 clinical trials were included according to the inclusion and exclusion criteria. RESULTS The effects of microneedling on AGA was investigated in animal experiments. Several clinical trials, including randomized controlled trials, strengthen the validity of the findings. Microneedling therapy showed some encouraging results with minor complications when used alone or in combination with topical products. CONCLUSIONS Microneedling appears to be a safe and effective therapeutic option for AGA. Larger and more randomized controlled trials regarding the role of microneedling in AGA are strongly recommended to provide more definitive evidence. LEVEL OF EVIDENCE IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
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Affiliation(s)
- Lingling Jia
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China
| | - Jiachao Xiong
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China
| | - Rong Guo
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China
| | - Yufei Li
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China.
| | - Hua Jiang
- Department of Plastic Surgery, Shanghai East Hospital, Tongji University School of Medicine, 150 Jimo Road, Shanghai, 200120, China.
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76
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Kshirsagar SM, Kipping T, Banga AK. Fabrication of Polymeric Microneedles using Novel Vacuum Compression Molding Technique for Transdermal Drug Delivery. Pharm Res 2022; 39:3301-3315. [PMID: 36195823 DOI: 10.1007/s11095-022-03406-8] [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: 05/20/2022] [Accepted: 09/28/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE To demonstrate the feasibility of vacuum compression molding as a novel technique for fabricating polymeric poly (D, L-lactic-co-glycolic acid) microneedles. METHODS First, polydimethylsiloxane molds were prepared using metal microneedle templates and fixed in the MeltPrep® Vacuum Compression Molding tool. Poly (D, L-lactic-co-glycolic acid) (EXPANSORB® DLG 50-5A) was added, enclosed, and heated at 130°C for 15 min under a vacuum of -15 psi, cooled with compressed air for 15 min, followed by freezing at -20°C for 30 min, and stored in a desiccator. The microneedles and microchannels were characterized by a variety of imaging techniques. In vitro permeation of model drug lidocaine as base and hydrochloride salt was demonstrated across intact and microporated dermatomed human skin. RESULTS Fabricated PLGA microneedles were pyramid-shaped, sharp, uniform, and mechanically robust. Scanning electron microscopy, skin integrity, dye-binding, histology, and confocal laser microscopy studies confirmed the microchannel formation. The receptor delivery of lidocaine salt increased significantly in microporated (270.57 ± 3.73 μg/cm2) skin as compared to intact skin (142.19 ± 13.70 μg/cm2) at 24 h. The receptor delivery of lidocaine base from microporated skin was significantly higher (312.37 ± 10.57 μg/cm2) than intact skin (169.68 ± 24.09 μg/cm2) up to 8 h. Lag time decreased significantly for the base (2.24 ± 0.17 h to 0.64 ± 0.05 h) and salt (4.76 ± 0.31 h to 1.47 ± 0.21 h) after microporation. CONCLUSION Vacuum compression molding was demonstrated as a novel technique to fabricate uniform, solvent-free, strong polymer microneedles in a short time.
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Affiliation(s)
- Sharvari M Kshirsagar
- Center for Drug Delivery Research, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA, 30341, USA
| | - Thomas Kipping
- MilliporeSigma a Business of Merck KGaA, Frankfurter Strasse 250, 64293, Darmstadt, Germany
| | - Ajay K Banga
- Center for Drug Delivery Research, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA, 30341, USA.
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Rajesh N, Coates I, Driskill MM, Dulay MT, Hsiao K, Ilyin D, Jacobson GB, Kwak JW, Lawrence M, Perry J, Shea CO, Tian S, DeSimone JM. 3D-Printed Microarray Patches for Transdermal Applications. JACS AU 2022; 2:2426-2445. [PMID: 36465529 PMCID: PMC9709783 DOI: 10.1021/jacsau.2c00432] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 05/14/2023]
Abstract
The intradermal (ID) space has been actively explored as a means for drug delivery and diagnostics that is minimally invasive. Microneedles or microneedle patches or microarray patches (MAPs) are comprised of a series of micrometer-sized projections that can painlessly puncture the skin and access the epidermal/dermal layer. MAPs have failed to reach their full potential because many of these platforms rely on dated lithographic manufacturing processes or molding processes that are not easily scalable and hinder innovative designs of MAP geometries that can be achieved. The DeSimone Laboratory has recently developed a high-resolution continuous liquid interface production (CLIP) 3D printing technology. This 3D printer uses light and oxygen to enable a continuous, noncontact polymerization dead zone at the build surface, allowing for rapid production of MAPs with precise and tunable geometries. Using this tool, we are now able to produce new classes of lattice MAPs (L-MAPs) and dynamic MAPs (D-MAPs) that can deliver both solid state and liquid cargos and are also capable of sampling interstitial fluid. Herein, we will explore how additive manufacturing can revolutionize MAP development and open new doors for minimally invasive drug delivery and diagnostic platforms.
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Affiliation(s)
- Netra
U. Rajesh
- Department
of Bioengineering, Stanford University, Stanford, California94305, United States
| | - Ian Coates
- Department
of Chemical Engineering, Stanford University, Stanford, California94305, United States
| | - Madison M. Driskill
- Department
of Chemical Engineering, Stanford University, Stanford, California94305, United States
| | - Maria T. Dulay
- Department
of Radiology, Stanford University, Stanford, California94305, United States
| | - Kaiwen Hsiao
- Department
of Chemical Engineering, Stanford University, Stanford, California94305, United States
| | - Dan Ilyin
- Department
of Mechanical Engineering, Stanford University, Stanford, California94305, United States
| | - Gunilla B. Jacobson
- Department
of Radiology, Stanford University, Stanford, California94305, United States
| | - Jean Won Kwak
- Department
of Radiology, Stanford University, Stanford, California94305, United States
| | - Micah Lawrence
- Department
of Bioengineering, Stanford University, Stanford, California94305, United States
| | - Jillian Perry
- Eshelman
School of Pharmacy, University of North
Carolina at Chapel Hill, Chapel
Hill, North Carolina27599, United States
| | - Cooper O. Shea
- Department
of Mechanical Engineering, Stanford University, Stanford, California94305, United States
| | - Shaomin Tian
- Department
of Microbiology and Immunology, University
of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Joseph M. DeSimone
- Department
of Chemical Engineering, Stanford University, Stanford, California94305, United States
- Department
of Radiology, Stanford University, Stanford, California94305, United States
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78
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Liu S, Yang G, Li M, Sun F, Li Y, Wang X, Gao Y, Yang P. Transcutaneous immunization via dissolving microneedles protects mice from lethal influenza H7N9 virus challenge. Vaccine 2022; 40:6767-6775. [PMID: 36243592 DOI: 10.1016/j.vaccine.2022.09.008] [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: 01/19/2022] [Revised: 08/16/2022] [Accepted: 09/02/2022] [Indexed: 11/06/2022]
Abstract
Avian influenza H7N9 virus has first emerged in 2013 and since then has spread in China in five seasonal waves. In humans, influenza H7N9 virus infection is associated with a high fatality rate; thus, an effective vaccine for this virus is needed. In the present study, we evaluated the usefulness of dissolving microneedles (MNs) loaded with influenza H7N9 vaccine in terms of the dissolution time, insertion capacity, insertion depth, and structural integrity of H7N9 virus in vitro. Our in vitro results showed MNs dissolved within 6 mins. The depth of skin penetration was 270 µm. After coating with a matrix material solution, the H7N9 proteins were agglomerated. We detected the H7N9 delivery time and humoral immune response in vivo. In a mouse model, the antigen retention time was longer for MNs than for intramuscular (IM) injection. The humoral response showed that similar to IM administration, MN administration increased the levels of functional and systematic antibodies and protection against the live influenza A/Anhui/01/2013 virus (Ah01/H7N9). The protection level was determined by the analysis of pathological sections of infected lungs. MN and IM administration yielded results superior to those in the control group. Taken together, these findings demonstrate that the use of dissolving MNs to deliver influenza H7N9 vaccines is a promising immunization approach.
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Affiliation(s)
- Siqi Liu
- The First Medical Center of Chinese PLA General Hospital, Beijing 100835, China; Department of Rheumatology and Clinical Immunology, University Medical Center Groningen and University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, NL, the Netherlands
| | - Guozhong Yang
- Key Laboratory of Photo Chemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Minghui Li
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Fang Sun
- The First Medical Center of Chinese PLA General Hospital, Beijing 100835, China
| | - Yufeng Li
- The First Medical Center of Chinese PLA General Hospital, Beijing 100835, China
| | - Xiliang Wang
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yunhua Gao
- Key Laboratory of Photo Chemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China.
| | - Penghui Yang
- The First Medical Center of Chinese PLA General Hospital, Beijing 100835, China.
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79
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Dandekar AA, Kale M, Garimella HT, Banga AK. Effect of compromised skin barrier on delivery of diclofenac sodium from brand and generic formulations via microneedles and iontophoresis. Int J Pharm 2022; 628:122271. [DOI: 10.1016/j.ijpharm.2022.122271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/14/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022]
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80
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Jeong JO, Lim YM, Young Lee J, Park JS. Polyvinylpyrrolidone based graphene oxide hydrogels by radiation crosslinking for Conductive Microneedle Patches. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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81
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Nunes D, Loureiro JA, Pereira MC. Drug Delivery Systems as a Strategy to Improve the Efficacy of FDA-Approved Alzheimer's Drugs. Pharmaceutics 2022; 14:2296. [PMID: 36365114 PMCID: PMC9694621 DOI: 10.3390/pharmaceutics14112296] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 08/15/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia, with a high impact worldwide, accounting for more than 46 million cases. The continuous increase of AD demands the fast development of preventive and curative therapeutic strategies that are truly effective. The drugs approved for AD treatment are classified into acetylcholinesterase inhibitors and N-methyl-D-aspartate receptor antagonists. The therapeutic effectiveness of those drugs is hindered by their restricted access to the brain due to the blood-brain barrier, low bioavailability, and poor pharmacokinetic properties. In addition, the drugs are reported to have undesirable side effects. Several drug delivery systems (DDSs) have been widely exploited to address these issues. DDSs serve as drug carriers, combining the ability to deliver drugs locally and in a targeted manner with the ability to release them in a controlled and sustained manner. As a result, the pharmacological therapeutic effectiveness is raised, while the unwanted side effects induced by the unspecific distribution decrease. This article reviews the recently developed DDSs to increase the efficacy of Food and Drug Administration-approved AD drugs.
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Affiliation(s)
- Débora Nunes
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Joana A. Loureiro
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Maria Carmo Pereira
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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82
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Demartis S, Anjani QK, Volpe-Zanutto F, Paredes AJ, Jahan SA, Vora LK, Donnelly RF, Gavini E. Trilayer dissolving polymeric microneedle array loading Rose Bengal transfersomes as a novel adjuvant in early-stage cutaneous melanoma management. Int J Pharm 2022; 627:122217. [PMID: 36155790 DOI: 10.1016/j.ijpharm.2022.122217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/26/2022] [Accepted: 09/17/2022] [Indexed: 12/24/2022]
Abstract
Melanoma remains a global concern, but current therapies present critical limitations pointing out the urgent need for novel strategies. Among these, the cutaneous delivery of drugs selectively damaging cancer cells is highly attractive. Rose Bengal (RB) is a dye exhibiting selective cytotoxicity towards melanoma, but the high water solubility and low permeability hinder its therapeutic potential. We previously developed RB-loaded transfersomes (RBTF) to mediate the RB dermal delivery; however, a platform efficiently delivering RBTF in the deepest strata is essential for a successful therapeutic activity. In this regard, dissolving microneedles release the encapsulated cargo up to the dermis, painlessly piercing the outmost skin layers. Therefore, herein we developed and characterised a trilayer dissolving microneedle array (RBTF-TDMNs) loading RBTF to maximise RBTF intradermal delivery in melanoma management. RBTF-TDMNs were proven strong enough to pierce excised porcine skin and rapidly dissolve and deposit RBTF intradermally while maintaining their physicochemical properties. Also, 3D visualisation of the system itself and while penetrating the skin was performed by multi-photon microscopy. Finally, a dermatokinetic study showed that RBTF-TDMNs offered unique delivery efficiency advantages compared to RBTF dispersion and free drug-loaded TDMNs. The proposed RBTF-TDMNs represent a valuable potential adjuvant tool for the topical management of melanoma.
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Affiliation(s)
- Sara Demartis
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Italy; School of Pharmacy, Queen's University Belfast, Belfast, UK
| | | | | | | | - Subrin A Jahan
- School of Pharmacy, Queen's University Belfast, Belfast, UK
| | | | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Belfast, UK.
| | - Elisabetta Gavini
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Sassari, Italy
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83
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Sugar-Triggered Burst Drug Releasing Poly-Lactic Acid (PLA) Microneedles and Its Fabrication Based on Solvent-Casting Approach. Pharmaceutics 2022; 14:pharmaceutics14091758. [PMID: 36145506 PMCID: PMC9504721 DOI: 10.3390/pharmaceutics14091758] [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: 08/08/2022] [Revised: 08/19/2022] [Accepted: 08/19/2022] [Indexed: 11/17/2022] Open
Abstract
Microneedles have emerged as a novel transdermal delivery tool that enables the delivery of various products such as drugs, vaccines, or cosmetic ingredients. Although the demand for solid microneedles composed of biocompatible polymer is increasing, the manufacture of microneedles using poly-lactic acid (PLA) with rapid drug-releasing is yet to be established and the process is still in its infancy. Here, we propose a novel strategy for the fabrication of PLA solid microneedles which enable a drug to be burst-released based on a solvent-casting process. This approach offers extreme simplicity, broad geometric capability, cost-effectiveness, and scalability based on high fidelity-replicas. It was verified that microneedles of various heights (250–500 μm) could be fabricated with appropriate mechanical strength to penetrate the stratum corneum layer of skin. By adding sugar in the composition of PLA microneedle, it was observed that both hydrophilic and hydrophobic drugs can be rapidly released within 30 min. Our burst drug-releasing PLA microneedle having both characteristics of solid microneedle and soluble microneedle and its fabrication approach based on solvent-casting will contribute to getting microneedle technology close to commercialization and beyond existing technical limitations.
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84
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An update on microneedle in insulin delivery: Quality attributes, clinical status and challenges for clinical translation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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85
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Masato D, Piccolo L, Lucchetta G, Sorgato M. Texturing Technologies for Plastics Injection Molding: A Review. MICROMACHINES 2022; 13:mi13081211. [PMID: 36014132 PMCID: PMC9416373 DOI: 10.3390/mi13081211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/19/2022] [Accepted: 07/25/2022] [Indexed: 12/04/2022]
Abstract
Texturing is an engineering technology that can be used to enable surface functionalization in the plastics injection molding industry. A texture is defined as the geometrical modification of the topography by addition of surface features that are characterized by a smaller scale than the overall surface dimensions. Texturing is added to products to create novel functionalities of plastic products and tools, which can be exploited to modify interactions with other materials in contact with the surface. The geometry, dimensions, and positioning on the surface define the function of a texture and its properties. This work reviews and discuss the wide range of texturing technologies available in the industry. The advantages and limitations of each technology are presented to support the development of new surface engineering applications in the plastics manufacturing industry.
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Affiliation(s)
- Davide Masato
- Department of Plastics Engineering, University of Massachusetts Lowell, Lowell, MA 01854, USA
- Correspondence: ; Tel.: +1-(978)-934-2836
| | - Leonardo Piccolo
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (L.P.); (G.L.); (M.S.)
| | - Giovanni Lucchetta
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (L.P.); (G.L.); (M.S.)
| | - Marco Sorgato
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (L.P.); (G.L.); (M.S.)
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86
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Research progress of microneedles in the treatment of melanoma. J Control Release 2022; 348:631-647. [PMID: 35718209 DOI: 10.1016/j.jconrel.2022.06.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/11/2022] [Accepted: 06/12/2022] [Indexed: 11/24/2022]
Abstract
Melanoma is an aggressive malignancy deriving from melanocytes, which is characterized by high tendency of metastases and mortality rate. Current therapies for melanoma, like chemotherapy, immunotherapy and targeted therapy, have the problem of systemic exposure of drugs, which will lead to many side effects and premature degradation of drugs. The resulting low drug accumulation at the lesion limits the therapeutic effect on melanoma and makes the cure rate low. As an emerging drug delivery system, microneedles (MNs) can efficiently deliver drugs through the skin, increase the drug distribution in deeper tumor sites and minimize the leakage of therapeutic drugs into adjacent tissues, thus improving the therapeutic effect. In addition, compared with traditional drug delivery methods, MN-based drug delivery system has the advantages of simplicity, safety and little pain. So MNs can be developed for the treatment of melanoma, which can relieve the pain of patients and improve the survival rate. This review aims to introduce an update on the progress of MNs as an innovative strategy for melanoma, especially when MNs combining with different therapies against melanoma, such as chemotherapy, targeted therapy, immunotherapy, photothermal therapy (PTT), photodynamic therapy (PDT) and synergic therapy.
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87
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Kulkarni D, Damiri F, Rojekar S, Zehravi M, Ramproshad S, Dhoke D, Musale S, Mulani AA, Modak P, Paradhi R, Vitore J, Rahman MH, Berrada M, Giram PS, Cavalu S. Recent Advancements in Microneedle Technology for Multifaceted Biomedical Applications. Pharmaceutics 2022; 14:pharmaceutics14051097. [PMID: 35631683 PMCID: PMC9144002 DOI: 10.3390/pharmaceutics14051097] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/07/2022] [Accepted: 05/17/2022] [Indexed: 02/04/2023] Open
Abstract
Microneedle (MNs) technology is a recent advancement in biomedical science across the globe. The current limitations of drug delivery, like poor absorption, low bioavailability, inadequate skin permeation, and poor biodistribution, can be overcome by MN-based drug delivery. Nanotechnology made significant changes in fabrication techniques for microneedles (MNs) and design shifted from conventional to novel, using various types of natural and synthetic materials and their combinations. Nowadays, MNs technology has gained popularity worldwide in biomedical research and drug delivery technology due to its multifaceted and broad-spectrum applications. This review broadly discusses MN’s types, fabrication methods, composition, characterization, applications, recent advancements, and global intellectual scenarios.
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Affiliation(s)
- Deepak Kulkarni
- Department of Pharmaceutics, Srinath College of Pharmacy, Bajajnagar, Aurangabad 431136, India;
| | - Fouad Damiri
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco; (F.D.); (M.B.)
| | - Satish Rojekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai 400019, India;
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Mehrukh Zehravi
- Department of Clinical Pharmacy Girls Section, Prince Sattam Bin Abdul Aziz University, Alkharj 11942, Saudi Arabia;
| | - Sarker Ramproshad
- Department of Pharmacy, Ranada Prasad Shaha University, Narayanganj 1400, Bangladesh;
| | - Dipali Dhoke
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, India;
| | - Shubham Musale
- Department of Pharmaceutics, Dr. DY Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, India; (S.M.); (A.A.M.); (P.M.); (R.P.)
| | - Ashiya A. Mulani
- Department of Pharmaceutics, Dr. DY Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, India; (S.M.); (A.A.M.); (P.M.); (R.P.)
| | - Pranav Modak
- Department of Pharmaceutics, Dr. DY Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, India; (S.M.); (A.A.M.); (P.M.); (R.P.)
| | - Roshani Paradhi
- Department of Pharmaceutics, Dr. DY Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, India; (S.M.); (A.A.M.); (P.M.); (R.P.)
| | - Jyotsna Vitore
- National Institute of Pharmaceutical Education and Research, Ahmedabad 160062, India;
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea
- Correspondence: (M.H.R.); (P.S.G.); (S.C.)
| | - Mohammed Berrada
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco; (F.D.); (M.B.)
| | - Prabhanjan S. Giram
- Department of Pharmaceutics, Dr. DY Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, India; (S.M.); (A.A.M.); (P.M.); (R.P.)
- Department of Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
- Correspondence: (M.H.R.); (P.S.G.); (S.C.)
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410087 Oradea, Romania
- Correspondence: (M.H.R.); (P.S.G.); (S.C.)
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Potential of Microneedle Systems for COVID-19 Vaccination: Current Trends and Challenges. Pharmaceutics 2022; 14:pharmaceutics14051066. [PMID: 35631652 PMCID: PMC9144974 DOI: 10.3390/pharmaceutics14051066] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/27/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022] Open
Abstract
To prevent the coronavirus disease 2019 (COVID-19) pandemic and aid restoration to prepandemic normality, global mass vaccination is urgently needed. Inducing herd immunity through mass vaccination has proven to be a highly effective strategy for preventing the spread of many infectious diseases, which protects the most vulnerable population groups that are unable to develop immunity, such as people with immunodeficiencies or weakened immune systems due to underlying medical or debilitating conditions. In achieving global outreach, the maintenance of the vaccine potency, transportation, and needle waste generation become major issues. Moreover, needle phobia and vaccine hesitancy act as hurdles to successful mass vaccination. The use of dissolvable microneedles for COVID-19 vaccination could act as a major paradigm shift in attaining the desired goal to vaccinate billions in the shortest time possible. In addressing these points, we discuss the potential of the use of dissolvable microneedles for COVID-19 vaccination based on the current literature.
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89
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Rajput A, Kulkarni M, Deshmukh P, Pingale P, Garkal A, Gandhi S, Butani S. A Key Role by Polymers in Microneedle Technology: A New Era. Drug Dev Ind Pharm 2022; 47:1713-1732. [PMID: 35332822 DOI: 10.1080/03639045.2022.2058531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The skin serves as the major organ in the targeted transdermal drug delivery system for many compounds. The microneedle acts as a novel technique to deliver drugs across the different layers of the skin, including the major barrier stratum corneum, in an effective manner. A microneedle array patch comprises dozens to hundreds of micron-sized needles with numerous structures and advantages resulting from their special and smart designs. Microneedle approach is much more advanced than conventional transdermal delivery pathways due to several benefits like minimally invasive, painless, self-administrable, and enhanced patient compliance. The microneedles are classified into hollow, solid, coated, dissolving, and hydrogel. Several polymers are used to fabricate microneedle, such as natural, semi-synthetic, synthetic, biodegradable, and swellable polymers. Researchers in the preparation of microneedles also explored the combinations of polymers. The safety of the polymer used in microneedle is a crucial aspect to prevent toxicity in vivo. Thus, this review aims to provide a detailed review of microneedles and mainly focus on the various polymers used in the fabrication of microneedles.
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Affiliation(s)
- Amarjitsing Rajput
- Department of Pharmaceutics, Poona College of Pharmacy, Bharati Vidyapeeth Deemed to Be University, Paud Road, Erandwane, Pune-411038, Maharashtra, India.,Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
| | - Madhur Kulkarni
- SCES's Indira College of Pharmacy, New Pune Mumbai Highway, Tathwade-411033, Pune, Maharashtra, India
| | - Prashant Deshmukh
- Dr. Rajendra Gode College of Pharmacy, Malkapur, Buldana- 443101, Maharashtra, India
| | - Prashant Pingale
- Department of Pharmaceutics, GES's Sir Dr. M. S. Gosavi College of Pharmaceutical Education and Research, Nashik-422005, Maharashtra, India
| | - Atul Garkal
- Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
| | - Sahil Gandhi
- Department of Pharmaceutics, Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai 400056, Maharashtra, India
| | - Shital Butani
- Department of Pharmaceutics and Pharmaceutical Technology, Institute Pharmacy, Nirma University, S.G. Highway, Ahmedabad-382481, Gujarat, India
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90
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Wang R, Jiang G, Aharodnikau UE, Yunusov K, Sun Y, Liu T, Solomevich SO. Recent advances in polymer microneedles for drug transdermal delivery: Design strategies and applications. Macromol Rapid Commun 2022; 43:e2200037. [PMID: 35286762 DOI: 10.1002/marc.202200037] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/25/2022] [Indexed: 11/08/2022]
Abstract
In recent years, the transdermal drug delivery based on microneedles (MNs) technology has received extensive attention, which offers a safer and painless alternative to hypodermic needle injection. They can pierce the stratum corneum and deliver drugs to the epidermis and dermis-structures of skin, showing prominent properties such as minimally invasive, bypassing first-pass metabolism, and self-administered. A range of materials have been used to fabricate MNs, such as silicon, metal, glass, and polymers. Among them, polymer MNs have gained increasing attention from pharmaceutical and cosmetic companies as one of the promising drug delivery methods. Microneedle products have recently become available on the market, and some of them are under evaluation for efficacy and safety. This paper focuses on current state of polymer MNs in the drug transdermal delivery. The materials and methods for the fabrication of polymer MNs and their drug administration are described. The recent progresses of polymer MNs for treatment of cancer, vaccine delivery, blood glucose regulation, androgenetic alopecia, obesity, tissue healing, myocardial infarction and gout are reviewed. The challenges of MNs technology are summarized and the future development trend of MNs is also prospected. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Rui Wang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | - Guohua Jiang
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | | | - Khaydar Yunusov
- Institute of Polymer Chemistry and Physics, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
| | - Yanfang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
| | - Tianqi Liu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, China.,International Scientific and Technological Cooperation Base of Intelligent Biomaterials and Functional Fibers, Zhejiang Sci-Tech University, Hangzhou, China.,Zhejiang-Mauritius Joint Research Center for Biomaterials and Tissue Engineering, Zhejiang Sci-Tech University, Hangzhou, China
| | - Sergey O Solomevich
- Institute of Polymer Chemistry and Physics, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
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91
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Gowda BHJ, Ahmed MG, Sahebkar A, Riadi Y, Shukla R, Kesharwani P. Stimuli-Responsive Microneedles as a Transdermal Drug Delivery System: A Demand-Supply Strategy. Biomacromolecules 2022; 23:1519-1544. [PMID: 35274937 DOI: 10.1021/acs.biomac.1c01691] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Microneedles are one of the most prominent approaches capable of physically disrupting the stratum corneum without devastating the deeper tissues to deliver both small molecules and macromolecules into the viable epidermis/dermis for local/systemic effects. Over the past two decades, microneedles have caught the attention of many researchers because of their outstanding advantages over oral and parenteral drug delivery systems such as self-administration, pain-free, steady-plasma concentration maintenance, avoidance of first-pass hepatic biotransformation, and so on. So far, scientists have reported various types of microneedle patches to deliver the loaded therapeutics as soon as the microneedles are inserted into the skin, regardless of the demand for therapeutics to treat a specific condition. This way of drug delivery can lead to potential risks such as poor therapeutic efficacy or drug overdose. The stimuli-responsive microneedles are the most predominant tool to achieve the on-demand/need-based drug delivery, leading to safe and effective treatment. Various natural and synthetic polymers that can undergo significant transitions such as swelling, shrinking, dissolution, or disintegration play a pivotal role in the development of stimuli-responsive microneedles. The current Review provides brief information about the history, emergence, type, and working principles of microneedles. Furthermore, it selectively discusses various exogenous and endogenous stimuli-responsive microneedles along with their mechanism of action involved in treating different disease conditions. Collaterally, the emergence of "closed-loop" combinatorial stimuli-responsive microneedle patches for precise delivery of therapeutics is meticulously canvassed. Subsequently, it covers the patents of different stimuli-responsive microneedles and further highlights the existing challenges and future perspectives concerning clinical application and large-scale production.
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Affiliation(s)
- B H Jaswanth Gowda
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Mohammed Gulzar Ahmed
- Department of Pharmaceutics, Yenepoya Pharmacy College & Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad 1696700, Iran.,School of Medicine, The University of Western Australia, Perth 6009, Australia
| | - Yassine Riadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Rahul Shukla
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, Uttar Pradesh 226002, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
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92
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Nanoscale Topographical Effects on the Adsorption Behavior of Bone Morphogenetic Protein-2 on Graphite. Int J Mol Sci 2022; 23:ijms23052432. [PMID: 35269575 PMCID: PMC8910650 DOI: 10.3390/ijms23052432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/19/2022] [Accepted: 02/20/2022] [Indexed: 12/10/2022] Open
Abstract
The interaction between bone morphogenetic protein-2 (BMP-2) and the surface of biomaterials is essential for the restoration of bone and cartilage tissue, inducing cellular differentiation and proliferation. The properties of the surface, including topology features, regulate the conformation and bioactivity of the protein. In this research, we investigated the influence of nanopatterned surfaces on the interaction of a homodimer BMP-2 with graphite material by combining molecular dynamics (MD) and steered molecular dynamics (SMD) simulations. The graphite substrates were patterned as flat, linear grating, square, and circular profiles in combination with BMP-2 conformation in the side-on configuration. Ramachandran plots for the wrist and knuckle epitopes indicated no steric hindrances and provided binding sites to type I and type II receptors. Results showed two optimal patterns that increased protein adsorption of the lower monomer while preserving the secondary structure and leaving the upper monomer free to interact with the cells. Charged residues arginine and lysine and polar residues histidine and tyrosine were the main residues responsible for the strong interaction with the graphite surface. This research provides new molecular-level insights to further understand the mechanisms underlying protein adsorption on nanoscale patterned substrates.
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93
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Damiri F, Kommineni N, Ebhodaghe SO, Bulusu R, Jyothi VGSS, Sayed AA, Awaji AA, Germoush MO, Al-malky HS, Nasrullah MZ, Rahman MH, Abdel-Daim MM, Berrada M. Microneedle-Based Natural Polysaccharide for Drug Delivery Systems (DDS): Progress and Challenges. Pharmaceuticals (Basel) 2022; 15:ph15020190. [PMID: 35215302 PMCID: PMC8875238 DOI: 10.3390/ph15020190] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/19/2022] [Accepted: 01/28/2022] [Indexed: 12/10/2022] Open
Abstract
In this focused progress review, the most widely accepted methods of transdermal drug delivery are hypodermic needles, transdermal patches and topical creams. However, microneedles (MNs) (or microneedle arrays) are low-invasive 3D biomedical constructs that bypass the skin barrier and produce systemic and localized pharmacological effects. In the past, biomaterials such as carbohydrates, due to their physicochemical properties, have been extensively used to manufacture microneedles (MNs). Due to their wide range of functional groups, carbohydrates enable the design and development of tunable properties and functionalities. In recent years, numerous microneedle products have emerged on the market, although much research needs to be undertaken to overcome the various challenges before the successful introduction of microneedles into the market. As a result, carbohydrate-based microarrays have a high potential to achieve a future step in sensing, drug delivery, and biologics restitution. In this review, a comprehensive overview of carbohydrates such as hyaluronic acid, chitin, chitosan, chondroitin sulfate, cellulose and starch is discussed systematically. It also discusses the various drug delivery strategies and mechanical properties of biomaterial-based MNs, the progress made so far in the clinical translation of carbohydrate-based MNs, and the promotional opportunities for their commercialization. In conclusion, the article summarizes the future perspectives of carbohydrate-based MNs, which are considered as the new class of topical drug delivery systems.
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Affiliation(s)
- Fouad Damiri
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco;
- Correspondence: (F.D.); (M.H.R.); (M.M.A.-D.)
| | | | | | - Raviteja Bulusu
- Department of Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA;
| | - Vaskuri G. S. Sainaga Jyothi
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India;
| | - Amany A. Sayed
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt;
| | - Aeshah A. Awaji
- Department of Biology, Faculty of Science, University College of Taymaa, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Mousa O. Germoush
- Biology Department, College of Science, Jouf University, P.O. Box 2014, Sakaka 72388, Saudi Arabia;
| | - Hamdan S. Al-malky
- Regional Drug Information Center, Ministry of Health, Jeddah 21589, Saudi Arabia;
| | - Mohammed Z. Nasrullah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea
- Correspondence: (F.D.); (M.H.R.); (M.M.A.-D.)
| | - Mohamed M. Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah 21442, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: (F.D.); (M.H.R.); (M.M.A.-D.)
| | - Mohammed Berrada
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M’Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco;
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94
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Ebrahiminejad V, Faraji Rad Z, Prewett PD, Davies GJ. Fabrication and testing of polymer microneedles for transdermal drug delivery. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:629-640. [PMID: 35874440 PMCID: PMC9273988 DOI: 10.3762/bjnano.13.55] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/30/2022] [Indexed: 05/19/2023]
Abstract
Microneedle (MN) patches have considerable potential for medical applications such as transdermal drug delivery, point-of-care diagnostics, and vaccination. These miniature microdevices should successfully pierce the skin tissues while having enough stiffness to withstand the forces imposed by penetration. Developing low-cost and simple manufacturing processes for MNs is of considerable interest. This study reports a simple fabrication process for thermoplastic MNs from cycloolefin polymers (COP) using hot embossing on polydimethylsiloxane (PDMS) soft molds. COP has gained interest due to its high molding performance and low cost. The resin master MN arrays (9 × 9) were fabricated using two-photon polymerization (TPP). A previous gap in the detailed characterization of the embossing process was investigated, showing an average of 4.99 ± 0.35% longitudinal shrinkage and 2.15 ± 0.96% lateral enlargement in the molded MN replicas. The effects of bending, buckling, and tip blunting were then examined using compression tests and also theoretically. MN array insertion performance was studied in vitro on porcine back skin using both a prototype custom-made applicator and a commercial device. An adjustable skin stretcher mechanism was designed and manufactured to address current limitations for mimicking skin in vivo conditions. Finite element analysis (FEA) was developed to simulate single MN insertion into a multilayered skin model and validated experimentally using a commercial Pen Needle as a model for the thermoplastic MNs. Margins of safety for the current MN design demonstrated its potential for transdermal drug delivery and fluid sampling. Experimental results indicated significant penetration improvements using the prototype applicator, which produced array penetration efficiencies as high as >92%, depending on the impact velocity setting.
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Affiliation(s)
- Vahid Ebrahiminejad
- School of Engineering, University of Southern Queensland, Springfield Central, QLD 4300, Australia
| | - Zahra Faraji Rad
- School of Engineering, University of Southern Queensland, Springfield Central, QLD 4300, Australia
| | - Philip D Prewett
- Department of Mechanical Engineering, University of Birmingham, Birmingham B15 2TT, United Kingdom
- Oxacus Ltd., Dorchester-on-Thames, OX10 7HN, United Kingdom
| | - Graham J Davies
- Faculty of Engineering, University of New South Wales, Sydney, NSW 2052, Australia
- College of Engineering & Physical Sciences, School of Engineering, University of Birmingham, Birmingham, B15 2TT, United Kingdom
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