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Li Y, Bi D, Hu Z, Yang Y, Liu Y, Leung WK. Hydrogel-Forming Microneedles with Applications in Oral Diseases Management. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4805. [PMID: 37445119 DOI: 10.3390/ma16134805] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
Controlled drug delivery in the oral cavity poses challenges such as bacterial contamination, saliva dilution, and inactivation by salivary enzymes upon ingestion. Microneedles offer a location-specific, minimally invasive, and retentive approach. Hydrogel-forming microneedles (HFMs) have emerged for dental diagnostics and therapeutics. HFMs penetrate the stratum corneum, undergo swelling upon contact, secure attachment, and enable sustained transdermal or transmucosal drug delivery. Commonly employed polymers such as polyvinyl alcohol (PVA) and polyvinyl pyrrolidone are crosslinked with tartaric acid or its derivatives while incorporating therapeutic agents. Microneedle patches provide suture-free and painless drug delivery to keratinized or non-keratinized mucosa, facilitating site-specific treatment and patient compliance. This review comprehensively discusses HFMs' applications in dentistry such as local anesthesia, oral ulcer management, periodontal treatment, etc., encompassing animal experiments, clinical trials, and their fundamental impact and limitations, for example, restricted drug carrying capacity and, until now, a low number of dental clinical trial reports. The review explores the advantages and future perspectives of HFMs for oral drug delivery.
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Affiliation(s)
- Yuqing Li
- Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Duohang Bi
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhekai Hu
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Yanqi Yang
- Division of Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Yijing Liu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Wai Keung Leung
- Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
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Adhikary R, Mohan P, Wadhawan A, Tyagi P. Gingival Augmentation in the Thin Phenotype Using Injectable Platelet-Rich Fibrin and Microneedling. Cureus 2023; 15:e40435. [PMID: 37456469 PMCID: PMC10349171 DOI: 10.7759/cureus.40435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Objective This study set out to examine the results of microneedling (MN) with and without injectable platelet-rich fibrin (i-PRF) in treating individuals with thin periodontal phenotypes, specifically focusing on the effects on gingival thickness (GT) and keratinized tissue width (KTW). Materials and methods This was a split-mouth study involving 32 healthy patients with 64 sites having thin phenotypes classified into two groups. On the one side, i-PRF was injected (Group A), while on the other side (Group B), MN along with i-PRF was used at intervals of 10 days for a month. GT and KTW were measured at baseline, three months, and six months. The parameters were compared intra and intergroup-wise at baseline, three months, and six months using the IBM SPSS Statistics software version 24 (IBM Corp., Armonk, NY) and the chi-square test. Results The findings revealed that when comparing Group A, which received just i-PRF, to Group B, which had i-PRF in conjunction with MN, there was a statistically significant increase in GT in Group B. Conclusions This is a novel method in that it does not need surgical innervations to expand the gingiva in breadth or thickness. Although MN's neoangiogenesis impact contributed to thicker gingiva, i-PRF showed a greater capacity for the release of several growth factors.
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Affiliation(s)
- Rajnandini Adhikary
- Department of Periodontology, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, IND
| | - Prerna Mohan
- Department of Periodontology, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, IND
| | - Amit Wadhawan
- Department of Periodontology, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, IND
| | - Prashant Tyagi
- Department of Periodontology, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, IND
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Li X, Xie X, Wu Y, Zhang Z, Liao J. Microneedles: structure, classification, and application in oral cancer theranostics. Drug Deliv Transl Res 2023:10.1007/s13346-023-01311-0. [PMID: 36892816 DOI: 10.1007/s13346-023-01311-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2023] [Indexed: 03/10/2023]
Abstract
Oral cancer is a malignant tumor that threatens the health of individuals on a global scale. Currently available clinical treatment methods, including surgery, radiotherapy, and chemotherapy, significantly impact the quality of life of patients with systemic side effects. In the treatment of oral cancer, local and efficient delivery of antineoplastic drugs or other substances (like photosensitizers) to improve the therapy effect is a potential way to optimize oral cancer treatments. As an emerging drug delivery system in recent years, microneedles (MNs) can be used for local drug delivery, offering the advantages of high efficiency, convenience, and noninvasiveness. This review briefly introduces the structures and characteristics of various types of MNs and summarizes MN preparation methods. An overview of the current research application of MNs in different cancer treatments is provided. Overall, MNs, as a means of transporting substances, demonstrate great potential in oral cancer treatments, and their promising future applications and perspectives of MNs are outlined in this review.
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Affiliation(s)
- Xintong Li
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xi Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yongzhi Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Zhuoyuan Zhang
- Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
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Min HS, Kim Y, Nam J, Ahn H, Kim M, Kang G, Jang M, Yang H, Jung H. Shape of dissolving microneedles determines skin penetration ability and efficacy of drug delivery. BIOMATERIALS ADVANCES 2023; 145:213248. [PMID: 36610239 DOI: 10.1016/j.bioadv.2022.213248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/28/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
Dissolving microneedles (DMNs) are used for minimally invasive transdermal drug delivery. Dissolution of drugs is achieved in the body after skin penetration by DMNs. Unlike injections, the insertion depth of the DMN is an important issue because the amount of dissolved DMN in the skin determines the amount of drug delivered. Therefore, the inaccurate drug delivery due to the incomplete insertion is one of the limitations of the DMN. Thus, many insertion and penetration tests have been essentially conducted in DMN studies, yet only incomplete insertion is known and the exact standard for how much it is not inserted is still unknown. Moreover, there are various shapes have been introduced in the microneedle field, there have been only few studies that have compared and evaluated the insertion depth of the shapes. Here, we present an intensive approach for DMN insertion based on DMN shape among various insertion deciding factors. We numerically analyzed the volumetric distribution of three types of DMN shapes: conical-shaped DMN, funnel-shaped DMN, and candlelit-shaped DMN, and introduced a new insertion evaluation criterion while covering previous insertion evaluations. Using optical coherence tomography, the images of DMNs embedded in the skin were analyzed in rea l-time, and the amount of drug delivered was analyzed at sectioned depth with a cryotome. The in vitro data confirmed that the insertion depth differed based on shape, and the resulting drug delivery depended on the volume assigned to the insertion depth. Insulin-loaded DMNs were applied to C57BL/6 mice, and the results of pharmacokinetic and pharmacodynamic analyses supported the results of the in vitro analysis. Our approach, which considers the correlation between DMN shape and insertion depth, will contribute to establishing criteria for various DMN design and maximizing drug delivery.
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Affiliation(s)
- Hye Su Min
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Youseong Kim
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Jeehye Nam
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Hyeri Ahn
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Minkyung Kim
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Geonwoo Kang
- Juvic Inc., 272 Digital-ro, Guro-gu, Seoul 08389, South Korea
| | - Mingyu Jang
- Juvic Inc., 272 Digital-ro, Guro-gu, Seoul 08389, South Korea
| | - Huisuk Yang
- Juvic Inc., 272 Digital-ro, Guro-gu, Seoul 08389, South Korea
| | - Hyungil Jung
- Department of Biotechnology, Building 123, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea; Juvic Inc., 272 Digital-ro, Guro-gu, Seoul 08389, South Korea.
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Batra P, Tagra H, Katyal S. Artificial Intelligence in Teledentistry. Discoveries (Craiova) 2022; 10:153. [PMID: 36530958 PMCID: PMC9748636 DOI: 10.15190/d.2022.12] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/23/2022] [Accepted: 09/12/2022] [Indexed: 01/25/2023] Open
Abstract
Artificial intelligence (AI) has grown tremendously in the past decade. The application of AI in teledentistry can reform the way dental care, dental education, research, and subsequent innovations can happen remotely. Machine learning including deep learning-based algorithms can be developed to create predictive models of risk assessment for oral health related conditions, consequent complications, and patient stratification. Patients can be empowered to self-diagnose and apply preventive measures or self-manage some early stages of dental diseases. Applications of AI in teledentistry can be beneficial for both, the dental surgeon and the patient. AI enables better remote screening, diagnosis, record keeping, triaging, and monitoring of dental patients based on smart devices. This will take away rudimentary cases requiring run-of-the-mill treatments from dentists and enable them to concentrate on highly complex cases. This would also enable the dentists to serve a larger and deprived population in inaccessible areas. Its usage in teledentistry can bring a paradigm shift from curative to preventive personalised approach in dentistry. A strong asset to teledentistry could be a robust and comprehensive feedback mechanism routed through various channels proposed in this paper. This paper discusses the application of AI in teledentistry and proposes a feedback mechanism to enhance performance in teledentistry.
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Affiliation(s)
- Panchali Batra
- Department of Orthodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India,* Corresponding author: Dr. Panchali Batra, Professor, Department of Orthodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India. e-mail: , Phone: +91-9999908022
| | | | - Sakshi Katyal
- Department of Orthodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India
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Li XJ, Li Y, Meng Y, Pu XQ, Qin JW, Xie R, Wang W, Liu Z, Jiang L, Ju XJ, Chu LY. Composite dissolvable microneedle patch for therapy of oral mucosal diseases. BIOMATERIALS ADVANCES 2022; 139:213001. [PMID: 35882148 DOI: 10.1016/j.bioadv.2022.213001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
A composite microneedle patch (MN patch) is developed for oral transmucosal administration. To improve the oral transmucosal drug delivery efficiency, the composite MN patch is designed to consist of an array of 100 dissolvable microneedles (MNs) with drug-loaded tips and a backing layer. The MNs are composed of two parts, the hyaluronic acid (HA) tip part and the polyvinylpyrrolidone (PVP) base part. Due to the small size and sufficient mechanical strength, the HA-PVP MNs can painlessly penetrate the oral mucosa barrier and deliver drugs directly to the basal layer or submucosa. Betamethasone sodium phosphate (BSP), as the model drug, is concentrated in the HA tip parts to avoid the drug waste caused by mucosa elasticity. Considering the special moist environment and saliva flow in the mouth, a double-layer backing layer composed of a poly(vinyl alcohol) (PVA) adhesive layer and an ethyl cellulose (EC) waterproof layer is designed and constructed, which could reduce the saliva flow effects. The in vitro and in vivo results demonstrate that the MN patch could achieve rapid and efficient BSP release in oral mucosa due to the rapid dissolution of HA. The proposed MN patch provides a novel strategy for the therapy of oral mucosal diseases.
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Affiliation(s)
- Xin-Jiao Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Yao Li
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Yang Meng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xing-Qun Pu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Jia-Wang Qin
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Rui Xie
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Wei Wang
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Zhuang Liu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Lu Jiang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Xiao-Jie Ju
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China.
| | - Liang-Yin Chu
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
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Wang C, Jiang X, Zeng Y, Terry RN, Li W. Rapidly separable microneedle patches for controlled release of therapeutics for long-acting therapies. MEDICINE IN DRUG DISCOVERY 2021. [DOI: 10.1016/j.medidd.2021.100118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Abdelkader H, Fathalla Z, Seyfoddin A, Farahani M, Thrimawithana T, Allahham A, Alani AWG, Al-Kinani AA, Alany RG. Polymeric long-acting drug delivery systems (LADDS) for treatment of chronic diseases: Inserts, patches, wafers, and implants. Adv Drug Deliv Rev 2021; 177:113957. [PMID: 34481032 DOI: 10.1016/j.addr.2021.113957] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/13/2021] [Accepted: 08/29/2021] [Indexed: 02/07/2023]
Abstract
Non-oral long-acting drug delivery systems (LADDS) encompass a range of technologies for precisely delivering drug molecules into target tissues either through the systemic circulation or via localized injections for treating chronic diseases like diabetes, cancer, and brain disorders as well as for age-related eye diseases. LADDS have been shown to prolong drug release from 24 h up to 3 years depending on characteristics of the drug and delivery system. LADDS can offer potentially safer, more effective, and patient friendly treatment options compared to more invasive modes of drug administration such as repeated injections or minor surgical intervention. Whilst there is no single technology or definition that can comprehensively embrace LADDS; for the purposes of this review, these systems include solid implants, inserts, transdermal patches, wafers and in situ forming delivery systems. This review covers common chronic illnesses, where candidate drugs have been incorporated into LADDS, examples of marketed long-acting pharmaceuticals, as well as newly emerging technologies, used in the fabrication of LADDS.
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Affiliation(s)
- Hamdy Abdelkader
- Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia, Egypt; Department of Pharmaceutics, Faculty of Pharmacy, Deraya University, New Minia City, Minia, Egypt
| | - Zeinab Fathalla
- Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Ali Seyfoddin
- Drug Delivery Research Group, Faculty of Health and Environmental Sciences, School of Science, Auckland University of Technology, New Zealand
| | - Mojtaba Farahani
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Thilini Thrimawithana
- Discipline of Pharmacy, School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC, Australia
| | - Ayman Allahham
- Discipline of Pharmacy, School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC, Australia
| | - Adam W G Alani
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Moody Avenue, RLSB, Portland, OR, United States; Biomedical Engineering Department, Oregon Health & Science University, 2730 S. Moody Avenue, RLSB, Portland, OR, United States; Knight Cancer Institute, Oregon Health & Science University, 2730 S. Moody Avenue, RLSB, Portland, OR, United States
| | - Ali A Al-Kinani
- Drug Discovery, Delivery and Patient Care Theme (DDDPC), Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, UK.
| | - Raid G Alany
- Drug Discovery, Delivery and Patient Care Theme (DDDPC), Faculty of Science, Engineering and Computing, Kingston University London, Penrhyn Road, Kingston upon Thames, UK; School of Pharmacy, The University of Auckland, Auckland, New Zealand.
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Xu Y, Zheng H, Schumacher D, Liehn EA, Slabu I, Rusu M. Recent Advancements of Specific Functionalized Surfaces of Magnetic Nano- and Microparticles as a Theranostics Source in Biomedicine. ACS Biomater Sci Eng 2021; 7:1914-1932. [PMID: 33856199 DOI: 10.1021/acsbiomaterials.0c01393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Magnetic nano- and microparticles (MNMPs) belong to a highly versatile class of colloids with actuator and sensor properties that have been broadly studied for their application in theranostics such as molecular imaging and drug delivery. The use of advanced biocompatible, biodegradable polymers and polyelectrolytes as MNMP coating materials is essential to ensure the stability of MNMPs and enable efficient drug release while at the same time preventing cytotoxic effects. In the past years, huge progress has been made in terms of the design of MNMPs. Especially, the understanding of coating formation with respect to control of drug loading and release kinetics on the molecular level has significantly advanced. In this review, recent advancements in the field of MNMP surface engineering and the applicability of MNMPs in research fields of medical imaging, diagnosis, and nanotherapeutics are presented and discussed. Furthermore, in this review the main emphasis is put on the manipulation of biological specimens and cell trafficking, for which MNMPs represent a favorable tool enabling transport processes of drugs through cell membranes. Finally, challenges and future perspectives for applications of MNMPs as theranostic nanomaterials are discussed.
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Affiliation(s)
- Yichen Xu
- Department of Intensive Care Medicine, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
| | - Huabo Zheng
- Department of Cardiology, Pulmonology, Angiology, and Intensive Care, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
| | - David Schumacher
- Department of Anesthesiology, University Hospital, RWTH Aachen, 52074 Aachen, Germany
| | - Elisa Anamaria Liehn
- Department of Intensive Care Medicine, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany.,Department of Cardiology, Pulmonology, Angiology, and Intensive Care, University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany.,Department of Pathology, Institute of Pathology "Victor Babes", Splaiul Independentei nr. 99-101, Sector 5, 050096 Bucharest, Romania
| | - Ioana Slabu
- Institute of Applied Medical Engineering, Helmholtz Institute, Medical Faculty, RWTH Aachen, Pauwelstr. 20, 52074 Aachen, Germany
| | - Mihaela Rusu
- Department of Pathology, Institute of Pathology "Victor Babes", Splaiul Independentei nr. 99-101, Sector 5, 050096 Bucharest, Romania.,Institute for Molecular Cardiovascular Research (IMCAR), University Hospital, RWTH Aachen, Pauwelstr. 30, 52074 Aachen, Germany
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