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Li Y, Wang J, Vora LK, Sabri AHB, McGuckin MB, Paredes AJ, Donnelly RF. Dissolving microarray patches loaded with a rotigotine nanosuspension: A potential alternative to Neupro® patch. J Control Release 2024; 372:304-317. [PMID: 38906420 DOI: 10.1016/j.jconrel.2024.06.039] [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: 02/07/2024] [Revised: 06/11/2024] [Accepted: 06/17/2024] [Indexed: 06/23/2024]
Abstract
Parkinson's disease (PD), affecting about ten million people globally, presents a significant health challenge. Rotigotine (RTG), a dopamine agonist, is currently administered as a transdermal patch (Neupro®) for PD treatment, but the daily application can be burdensome and cause skin irritation. This study introduces a combinatorial approach of dissolving microarray patch (MAP) and nanosuspension (NS) for the transdermal delivery of RTG, offering an alternative to Neupro®. The RTG-NS was formulated using a miniaturized media milling method, resulting in a nano-formulation with a mean particle size of 274.09 ± 7.43 nm, a PDI of 0.17 ± 0.04 and a zeta potential of -15.24 ± 2.86 mV. The in vitro dissolution study revealed an enhanced dissolution rate of the RTG-NS in comparison to the coarse RTG powder, under sink condition. The RTG-NS MAPs, containing a drug layer and a 'drug-free' supporting baseplate, have a drug content of 3.06 ± 0.15 mg/0.5 cm2 and demonstrated greater amount of drug delivered per unit area (∼0.52 mg/0.5 cm2) than Neupro® (∼0.20 mg/1 cm2) in an ex vivo Franz cell study using full-thickness neonatal porcine skin. The in vivo pharmacokinetic studies demonstrated that RTG-NS MAPs, though smaller (2 cm2 for dissolving MAPs and 6 cm2 for Neupro®), delivered drug levels comparable to Neupro®, indicating higher efficiency per unit area. This could potentially avoid unnecessarily high plasma levels after the next dose at 24 h, highlighting the benefits of dissolving MAPs over conventional transdermal patches in PD treatment.
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Affiliation(s)
- Yaocun Li
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Jiawen Wang
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Akmal Hidayat Bin Sabri
- Faculty of Science, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom
| | - Mary B McGuckin
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Alejandro J Paredes
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom.
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2
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Anjani QK, Moreno-Castellanos N, Li Y, Sabri AHB, Donnelly RF. Dissolvable microarray patches of levodopa and carbidopa for Parkinson's disease management. Eur J Pharm Biopharm 2024; 199:114304. [PMID: 38663522 DOI: 10.1016/j.ejpb.2024.114304] [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: 02/14/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/21/2024]
Abstract
Carbidopa and levodopa remain the established therapeutic standard for managing Parkinson's disease. Nevertheless, their oral administration is hindered by rapid enzymatic degradation and gastrointestinal issues, limiting their efficacy, and necessitating alternative delivery methods. This work presents a novel strategy employing dissolving microarray patches (MAPs) loaded with carbidopa and levodopa, formulated with Tween® 80 to improve their transdermal delivery. The fabricated MAPs demonstrated an acceptable mechanical strength, resisting pressures equivalent to manual human thumb application (32 N) onto the skin. Additionally, these MAPs exhibited an insertion depth of up to 650 µm into excised neonatal porcine skin. Ex vivo dermatokinetic studies could achieve delivery efficiencies of approximately 53.35 % for levodopa and 40.14 % for carbidopa over 24 h, demonstrating their significant potential in drug delivery. Biocompatibility assessments conducted on human dermal fibroblast cells corroborated acceptable cytocompatibility, confirming the suitability of these MAPs for dermal application. In conclusion, dissolving MAPs incorporating carbidopa and levodopa represent a promising alternative for improving the therapeutic management of Parkinson's disease.
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Affiliation(s)
- Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Fakultas Farmasi, Universitas Megarezky, Jl. Antang Raya No. 43, Makassar 90234, Indonesia
| | - Natalia Moreno-Castellanos
- Basic Science Department, Faculty of Health, Universidad Industrial de Santander, Bucaramanga 680001, Colombia
| | - Yaocun Li
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Akmal Hidayat Bin Sabri
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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3
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Li Y, Vora LK, Wang J, Sabri AHB, Graham A, McCarthy HO, Donnelly RF. Poly(acrylic acid)/Poly(vinyl alcohol) Microarray Patches for Continuous Transdermal Delivery of Levodopa and Carbidopa: In Vitro and In Vivo Studies. Pharmaceutics 2024; 16:676. [PMID: 38794339 PMCID: PMC11125810 DOI: 10.3390/pharmaceutics16050676] [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: 03/05/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Levodopa (LD) has been the most efficacious medication and the gold standard therapy for Parkinson's disease (PD) for decades. However, its long-term administration is usually associated with motor complications, which are believed to be the result of the fluctuating pharmacokinetics of LD following oral administration. Duodopa® is the current option to offer a continuous delivery of LD and its decarboxylase inhibitor carbidopa (CD); however, its administration involves invasive surgical procedures, which could potentially lead to lifelong complications, such as infection. Recently, dissolving microarray patches (MAPs) have come to the fore as an alternative that can bypass the oral administration route in a minimally invasive way. This work explored the potential of using dissolving MAPs to deliver LD and CD across the skin. An acidic polymer poly(acrylic acid) (PAA) was used in the MAP fabrication to prevent the potential oxidation of LD at neutral pH. The drug contents of LD and CD in the formulated dissolving MAPs were 1.82 ± 0.24 and 0.47 ± 0.04 mg/patch, respectively. The in vivo pharmacokinetic study using female Sprague-Dawley® rats (Envigo RMS Holding Corp, Bicester, UK) demonstrated a simultaneous delivery of LD and CD and comparable AUC values between the dissolving MAPs and the oral LD/CD suspension. The relative bioavailability for the dissolving MAPs was calculated to be approximately 37.22%. Accordingly, this work highlights the use of dissolving MAPs as a minimally invasive approach which could potentially bypass the gastrointestinal pathway and deliver both drugs continuously without surgery.
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Affiliation(s)
| | | | | | | | | | | | - Ryan F. Donnelly
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; (Y.L.); (L.K.V.); (J.W.); (A.H.B.S.); (A.G.); (H.O.M.)
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4
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Freundlich E, Shimony N, Gross A, Mizrahi B. Bioadhesive microneedle patches for tissue sealing. Bioeng Transl Med 2024; 9:e10578. [PMID: 38818121 PMCID: PMC11135150 DOI: 10.1002/btm2.10578] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/06/2023] [Accepted: 07/05/2023] [Indexed: 06/01/2024] Open
Abstract
Sealing of soft tissues prevents leakage of gas and liquid, closes wounds, and promotes healing and is, therefore, of great significance in the clinical and medical fields. Although various formulations have been developed for reliable sealing of soft tissue, tradeoffs between adhesive properties, degradation profile, and tissue toxicity limit their clinical use. Hydrogel-based adhesives, for example, are highly biocompatible but adhere very weakly to the tissue and degrade quickly, while oxidized cellulose patches are poorly absorbed and may cause healing complications postoperatively. Here, we present a novel strategy for tissue sealing based on bioadhesive microneedle patches that can spontaneously adhere to tissue surface through electrostatic interactions and swell within it. A series of microneedle patches made of pullulan, chitosan, Carbopol, poly (lactic-co-glycolic acid), and a Carbopol/chitosan combination were fabricated and characterized for their use in tissue sealing. The effect of microneedle composition on the fabrication process, physical and mechanical properties, in vitro cytotoxicity, and in vivo biocompatibility were examined. The needle structure enables microneedles to strongly fix onto various tissues via physical interlocking, while their adhesive properties improve staying time and sealing capabilities. The microneedle patch comprising Carbopol needles and chitosan as a second pedestal layer presented the best results in terms of sealing and adhesion, a consequence of the needle's swelling and adhesion features combined with the supportive chitosan base layer. Finally, single Carbopol/chitosan patches stopped intense liver bleeding in a rat model significantly quicker and with less blood loss compared with commercial oxidized cellulose patches. These microneedles can be considered a promising cost-effective platform for adhering and sealing tissues as they can be applied quickly and painlessly, and require less trained medical staff and equipment.
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Affiliation(s)
- Eden Freundlich
- Faculty of Biotechnology and Food EngineeringTechnion – Israel Institute of TechnologyHaifaIsrael
| | - Neta Shimony
- Faculty of Biotechnology and Food EngineeringTechnion – Israel Institute of TechnologyHaifaIsrael
| | - Adi Gross
- Faculty of Biotechnology and Food EngineeringTechnion – Israel Institute of TechnologyHaifaIsrael
| | - Boaz Mizrahi
- Faculty of Biotechnology and Food EngineeringTechnion – Israel Institute of TechnologyHaifaIsrael
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5
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Hamed R, Alhadidi HFI. Minoxidil Nanosuspension-Loaded Dissolved Microneedles for Hair Regrowth. AAPS PharmSciTech 2024; 25:75. [PMID: 38580793 DOI: 10.1208/s12249-024-02771-4] [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: 08/02/2023] [Accepted: 02/15/2024] [Indexed: 04/07/2024] Open
Abstract
Minoxidil (MIN) is used topically to treat alopecia. However, its low absorption limits its use, warranting a new strategy to enhance its delivery into skin layers. The objective of this study was to evaluate the dermal delivery of MIN by utilizing dissolved microneedles (MNs) loaded with MIN nanosuspension (MIN-NS) for hair regrowth. MIN-NS was prepared by the solvent-antisolvent precipitation technique. The particle size of MIN-NS was 226.7 ± 9.3 nm with a polydispersity index of 0.29 ± 0.17 and a zeta potential of -29.97 ± 1.23 mV. An optimized formulation of MIN-NS was selected, freeze-dried, and loaded into MNs fabricated with sodium carboxymethyl cellulose (Na CMC) polymeric solutions (MIN-NS-loaded MNs). MNs were evaluated for morphology, dissolution rate, skin insertion, drug content, mechanical properties, ex vivo permeation, in vivo, and stability studies. MNs, prepared with 14% Na CMC, were able to withstand a compression force of 32 N for 30 s, penetrate Parafilm M® sheet at a depth of 374-504 µm, and dissolve completely in the skin within 30 min with MIN %recovery of 95.1 ± 6.5%. The release of MIN from MIN-NS-loaded MNs was controlled for 24 h. MIN-NS-loaded MNs were able to maintain their mechanical properties and chemical stability for 4 weeks, when kept at different storage conditions. The in vivo study of the freeze-dried MIN-NS and MIN-NS-loaded MNs proved hair regrowth on rat skin after 11 and 7 days, respectively. These results showed that MIN-NS-loaded MNs could potentially improve the dermal delivery of MIN through the skin to treat alopecia.
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Affiliation(s)
- Rania Hamed
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, P.O. Box 130, Amman, 11733, Jordan.
| | - Hebah F I Alhadidi
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, P.O. Box 130, Amman, 11733, Jordan
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6
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Zhang S, Staples AE. Microfluidic-based systems for the management of diabetes. Drug Deliv Transl Res 2024:10.1007/s13346-024-01569-y. [PMID: 38509342 DOI: 10.1007/s13346-024-01569-y] [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] [Accepted: 03/04/2024] [Indexed: 03/22/2024]
Abstract
Diabetes currently affects approximately 500 million people worldwide and is one of the most common causes of mortality in the United States. To diagnose and monitor diabetes, finger-prick blood glucose testing has long been used as the clinical gold standard. For diabetes treatment, insulin is typically delivered subcutaneously through cannula-based syringes, pens, or pumps in almost all type 1 diabetic (T1D) patients and some type 2 diabetic (T2D) patients. These painful, invasive approaches can cause non-adherence to glucose testing and insulin therapy. To address these problems, researchers have developed miniaturized blood glucose testing devices as well as microfluidic platforms for non-invasive glucose testing through other body fluids. In addition, glycated hemoglobin (HbA1c), insulin levels, and cellular biomechanics-related metrics have also been considered for microfluidic-based diabetes diagnosis. For the treatment of diabetes, insulin has been delivered transdermally through microdevices, mostly through microneedle array-based, minimally invasive injections. Researchers have also developed microfluidic platforms for oral, intraperitoneal, and inhalation-based delivery of insulin. For T2D patients, metformin, glucagon-like peptide 1 (GLP-1), and GLP-1 receptor agonists have also been delivered using microfluidic technologies. Thus far, clinical studies have been widely performed on microfluidic-based diabetes monitoring, especially glucose sensing, yet technologies for the delivery of insulin and other drugs to diabetic patients with microfluidics are still mostly in the preclinical stage. This article provides a concise review of the role of microfluidic devices in the diagnosis and monitoring of diabetes, as well as the delivery of pharmaceuticals to treat diabetes using microfluidic technologies in the recent literature.
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Affiliation(s)
- Shuyu Zhang
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Blacksburg, VA, 24061, USA.
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, 24061, USA.
| | - Anne E Staples
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Blacksburg, VA, 24061, USA
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, 24061, USA
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Ando D, Miyatsuji M, Sakoda H, Yamamoto E, Miyazaki T, Koide T, Sato Y, Izutsu KI. Mechanical Characterization of Dissolving Microneedles: Factors Affecting Physical Strength of Needles. Pharmaceutics 2024; 16:200. [PMID: 38399254 PMCID: PMC10893124 DOI: 10.3390/pharmaceutics16020200] [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: 12/07/2023] [Revised: 01/04/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024] Open
Abstract
Dissolving microneedles (MNs) are novel transdermal drug delivery systems that can be painlessly self-administered. This study investigated the effects of experimental conditions on the mechanical characterization of dissolving MNs for quality evaluation. Micromolding was used to fabricate polyvinyl alcohol (PVA)-based dissolving MN patches with eight different cone-shaped geometries. Axial force mechanical characterization test conditions, in terms of compression speed and the number of compression needles per test, significantly affected the needle fracture force of dissolving MNs. Characterization using selected test conditions clearly showed differences in the needle fracture force of dissolving MNs prepared under various conditions. PVA-based MNs were divided into two groups that showed buckling and unbuckling deformation, which occurred at aspect ratios (needle height/base diameter) of 2.8 and 1.8, respectively. The needle fracture force of PVA-based MNs was negatively correlated with an increase in the needle's aspect ratio. Higher residual water or higher loading of lidocaine hydrochloride significantly decreased the needle fracture force. Therefore, setting appropriate methods and parameters for characterizing the mechanical properties of dissolving MNs should contribute to the development and supply of appropriate products.
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Affiliation(s)
- Daisuke Ando
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Megumi Miyatsuji
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Hideyuki Sakoda
- Division of Medical Devices, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Eiichi Yamamoto
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
- Division of Medical Devices, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Tamaki Miyazaki
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Tatsuo Koide
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Yoji Sato
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
| | - Ken-Ichi Izutsu
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki 210-9501, Kanagawa, Japan
- Department of Pharmaceutical Sciences, School of Pharmacy, International University of Health and Welfare, 2600-1 Kitakanemaru, Ohtawara 324-8501, Tochigi, Japan
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Khorshidian A, Sharifi N, Choupani Kheirabadi F, Rezaei F, Sheikholeslami SA, Ariyannejad A, Esmaeili J, Basati H, Barati A. In Vitro Release of Glycyrrhiza Glabra Extract by a Gel-Based Microneedle Patch for Psoriasis Treatment. Gels 2024; 10:87. [PMID: 38391417 PMCID: PMC10887857 DOI: 10.3390/gels10020087] [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: 06/30/2023] [Revised: 10/01/2023] [Accepted: 01/17/2024] [Indexed: 02/24/2024] Open
Abstract
Microneedle patches are attractive drug delivery systems that give hope for treating skin disorders. In this study, to first fabricate a chitosan-based low-cost microneedle patch (MNP) using a CO2 laser cutter for in vitro purposes was tried and then the delivery and impact of Glycyrrhiza glabra extract (GgE) on the cell population by this microneedle was evaluated. Microscopic analysis, swelling, penetration, degradation, biocompatibility, and drug delivery were carried out to assess the patch's performance. DAPI staining and acridine orange (AO) staining were performed to evaluate cell numbers. Based on the results, the MNs were conical and sharp enough (diameter: 400-500 μm, height: 700-900 μm). They showed notable swelling (2 folds) during 5 min and good degradability during 30 min, which can be considered a burst release. The MNP showed no cytotoxicity against fibroblast cell line L929. It also demonstrated good potential for GgE delivery. The results from AO and DAPI staining approved the reduction in the cell population after GgE delivery. To sum up, the fabricated MNP can be a useful recommendation for lab-scale studies. In addition, a GgE-loaded MNP can be a good remedy for skin disorders in which cell proliferation needs to be controlled.
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Affiliation(s)
- Ayeh Khorshidian
- Department of Biomedical Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
| | - Niloufar Sharifi
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450066, China
| | - Fatemeh Choupani Kheirabadi
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Biomedical Engineering, Faculty of Engineering, Islamic Azad University, Tabriz 54911, Iran
| | - Farnoushsadat Rezaei
- Department of Chemical and Biomedical Engineering, University of Missouri, Columbia, MO 65211, USA
| | - Seyed Alireza Sheikholeslami
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 3848177584, Iran
| | - Ayda Ariyannejad
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Marine Biology, Faculty of Life Science and Biotechnology, Shahid Beheshti University, Tehran 1983969411, Iran
| | - Javad Esmaeili
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 3848177584, Iran
- Tissue Engineering Hub (TEHUB), Universal Scientific Education and Research Network (USERN), Tehran 1956854977, Iran
| | - Hojat Basati
- Department of Tissue Engineering, TISSUEHUB Co., Tehran 1956854977, Iran
- Department of Chemical Engineering, Faculty of Engineering, Tehran University, Tehran 3584014179, Iran
| | - Aboulfazl Barati
- Center for Materials and Manufacturing Sciences, Department of Chemistry and Physics, Troy University, Troy, AL 36082, USA
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Fan L, Huang J, Ma S. Recent advances in delivery of transdermal nutrients: A review. Exp Dermatol 2024; 33:e14966. [PMID: 37897113 DOI: 10.1111/exd.14966] [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: 07/04/2023] [Revised: 10/04/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023]
Abstract
Nutrients provide vital functions in the body for sustained health, which have been shown to be related to the incidence, prevention and treatment of disease. However, limited bioavailability, loss of targeting specificity and the increased hepatic metabolism limit the utilization of nutrients. In this review, we highlight transdermal absorption of nutrients, which represents an opportunity to allow great use of many nutrients with promising human health benefits. Moreover, we describe how the various types of permeation enhancers are increasingly exploited for transdermal nutrient delivery. Chemical penetration enhancers, carrier systems and physical techniques for transdermal nutrient delivery are described, with a focus on combinatorial approaches. Although there are many carrier systems and physical techniques currently in development, with some tools currently in advanced clinical trials, relatively few products have achieved full translation to clinical practice. Challenges and further developments of these tools are discussed here in this review. This review will be useful to researchers interested in transdermal applications of permeation enhancers for the efficient delivery of nutrients, providing a reference for supporting the need to take more account of specific nutritional needs in specific states.
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Affiliation(s)
- Ling Fan
- College of Agriculture, Henan University, Kaifeng, China
| | - Jihong Huang
- College of Agriculture, Henan University, Kaifeng, China
- Food and Pharmacy College, Xuchang University, Xuchang, China
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
| | - Sen Ma
- College of Agriculture, Henan University, Kaifeng, China
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
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Khan S, Minhas MU. Micro array patch assisted transdermal delivery of high dose, ibuprofen sodium using thermoresponsive sodium alginate/poly (vinylcaprolactam) in situ gels depot. Int J Biol Macromol 2023; 252:126464. [PMID: 37619682 DOI: 10.1016/j.ijbiomac.2023.126464] [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: 02/16/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
Current study reports the combined technique of microneedle array patches and thermoresponsive gels. Microneedles array patch mediated insitu skin depots were evaluated for sustain drug delivery using sodium alginate/Poly (vinylcaprolactam) thermoresponsive gels. Their phase transition property from sol-gel state was monitored with AR2000 rheometer. Ibuprofen sodium was loaded in optimized formulations. The non-soluble cross-linked microneedle array patches (MAPs) were prepared from variable biocompatible polymers using silicone micromoulds. The fabricated MAPs were evaluated for mechanical stability, inskin dissolution, insertion forces and moisture contents. The penetration depth of MAPs in neonatal rabbit skin was tracked by optical coherence tomography. The optimized MAPs (GP10000) were used as microporation source in skin owing to their stable nature. Pores formation in skin samples after MAPs treatment was confirmed by optical coherence tomography, dye binding and skin integrity analysis. The invitro permeation of Ibuprofen sodium from formulations was studied using Franz cells across intact skin and MAPs applied skin. It was concluded from the results that Ibuprofen sodium permeation was observed for longer time through MAPs treated skin as compared to intact skin. Confocal study confirmed the diffusion of drug loaded formulations in deeper tissues with higher intensity.
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Affiliation(s)
- Samiullah Khan
- Centre for Eye and Vision Research, 17W Science Park, Hong Kong.
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11
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Manna S, Gupta P, Nandi G, Jana S. Recent update on alginate based promising transdermal drug delivery systems. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:2291-2318. [PMID: 37368494 DOI: 10.1080/09205063.2023.2230847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/13/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023]
Abstract
Alongside oral delivery of therapeutics, transdermal delivery systems have gained increased patient acceptability over past few decades. With increasing popularity, novel techniques were employed for transdermal drug targeting which involves microneedle patches, transdermal films and hydrogel based formulations. Hydrogel forming ability along with other rheological behaviour makes natural polysaccharides an attractive option for transdermal use. Being a marine originated anionic polysaccharide, alginates are widely used in pharmaceutical, cosmetics and food industries. Alginate possesses excellent biodegradability, biocompatibility and mucoadhesive properties. Owing to many favourable properties required for transdermal drug delivery systems (TDDS), the application of alginates are increasing in recent times. This review summarizes the source and properties of alginate along with several transdermal delivery techniques including the application of alginate for respective transdermal systems.
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Affiliation(s)
- Sreejan Manna
- Department of Pharmaceutical Technology, Brainware University, Kolkata, West Bengal, India
| | - Prajna Gupta
- Division of Pharmaceutics, Department of Pharmaceutical Technology, University of North Bengal, Darjeeling, West Bengal, India
| | - Gouranga Nandi
- Division of Pharmaceutics, Department of Pharmaceutical Technology, University of North Bengal, Darjeeling, West Bengal, India
| | - Sougata Jana
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol, West Bengal, India
- Department of Health and Family Welfare, Directorate of Health Services, Kolkata, India
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12
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Andranilla RK, Anjani QK, Hartrianti P, Donnelly RF, Ramadon D. Fabrication of dissolving microneedles for transdermal delivery of protein and peptide drugs: polymer materials and solvent casting micromoulding method. Pharm Dev Technol 2023; 28:1016-1031. [PMID: 37987717 DOI: 10.1080/10837450.2023.2285498] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
Proteins and peptides are rapidly developing pharmaceutical products and are expected to continue growing in the future. However, due to their nature, their delivery is often limited to injection, with drawbacks such as pain and needle waste. To overcome these limitations, microneedles technology is developed to deliver protein and peptide drugs through the skin. One type of microneedles, known as dissolving microneedles, has been extensively studied for delivering various proteins and peptides, including ovalbumin, insulin, bovine serum albumin, polymyxin B, vancomycin, and bevacizumab. This article discusses polymer materials used for fabricating dissolving microneedles, which are poly(vinylpyrrolidone), hyaluronic acid, poly(vinyl alcohol), carboxymethylcellulose, GantrezTM, as well as other biopolymers like pullulan and ulvan. The paper is focused solely on solvent casting micromoulding method for fabricating dissolving microneedles containing proteins and peptides, which will be divided into one-step and two-step casting micromoulding. Additionally, future considerations in the market plan for dissolving microneedles are discussed in this article.
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Affiliation(s)
| | - Qonita Kurnia Anjani
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, Belfast, UK
| | - Pietradewi Hartrianti
- Department of Pharmacy, School of Life Sciences, Indonesia International Institute for Life Sciences, East Jakarta, DKI Jakarta, Indonesia
| | - Ryan F Donnelly
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, Belfast, UK
| | - Delly Ramadon
- Faculty of Pharmacy, Universitas Indonesia, Depok, Indonesia
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13
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Demartis S, Rassu G, Mazzarello V, Larrañeta E, Hutton A, Donnelly RF, Dalpiaz A, Roldo M, Guillot AJ, Melero A, Giunchedi P, Gavini E. Delivering hydrosoluble compounds through the skin: what are the chances? Int J Pharm 2023; 646:123457. [PMID: 37788729 DOI: 10.1016/j.ijpharm.2023.123457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 10/05/2023]
Affiliation(s)
- S Demartis
- Department of Chemical, Mathematical, Natural and Physical Sciences, University of Sassari, Sassari 07100, Italy
| | - G Rassu
- Department of Medicine and Surgery, University of Sassari, Sassari 07100, Italy
| | - V Mazzarello
- Department of Medicine and Surgery, University of Sassari, Sassari 07100, Italy
| | - E Larrañeta
- School of Pharmacy, Queen's University, Belfast 97 Lisburn Road, Belfast BT9 7BL, UK
| | - A Hutton
- School of Pharmacy, Queen's University, Belfast 97 Lisburn Road, Belfast BT9 7BL, UK
| | - R F Donnelly
- School of Pharmacy, Queen's University, Belfast 97 Lisburn Road, Belfast BT9 7BL, UK
| | - A Dalpiaz
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Fossato di Mortara 19, I-44121 Ferrara, Italy
| | - M Roldo
- School of Pharmacy and Biomedical Sciences, St Michael's Building, White Swan Road, University of Portsmouth, Portsmouth PO1 2DT, UK
| | - A J Guillot
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, Faculty of Pharmacy, University of Valencia, Avda. Vincent Andrés Estellés s/n, 46100 Burjassot, Spain
| | - A Melero
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, Faculty of Pharmacy, University of Valencia, Avda. Vincent Andrés Estellés s/n, 46100 Burjassot, Spain
| | - P Giunchedi
- Department of Medicine and Surgery, University of Sassari, Sassari 07100, Italy
| | - E Gavini
- Department of Medicine and Surgery, University of Sassari, Sassari 07100, Italy.
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14
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Tang X, Li L, You G, Li X, Kang J. Metallic elements combine with herbal compounds upload in microneedles to promote wound healing: a review. Front Bioeng Biotechnol 2023; 11:1283771. [PMID: 38026844 PMCID: PMC10655017 DOI: 10.3389/fbioe.2023.1283771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Wound healing is a dynamic and complex restorative process, and traditional dressings reduce their therapeutic effectiveness due to the accumulation of drugs in the cuticle. As a novel drug delivery system, microneedles (MNs) can overcome the defect and deliver drugs to the deeper layers of the skin. As the core of the microneedle system, loaded drugs exert a significant influence on the therapeutic efficacy of MNs. Metallic elements and herbal compounds have been widely used in wound treatment for their ability to accelerate the healing process. Metallic elements primarily serve as antimicrobial agents and facilitate the enhancement of cell proliferation. Whereas various herbal compounds act on different targets in the inflammatory, proliferative, and remodeling phases of wound healing. The interaction between the two drugs forms nanoparticles (NPs) and metal-organic frameworks (MOFs), reducing the toxicity of the metallic elements and increasing the therapeutic effect. This article summarizes recent trends in the development of MNs made of metallic elements and herbal compounds for wound healing, describes their advantages in wound treatment, and provides a reference for the development of future MNs.
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Affiliation(s)
- Xiao Tang
- Department of Proctology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Li Li
- Department of Proctology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Gehang You
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xinyi Li
- Department of Proctology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Jian Kang
- Department of Proctology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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15
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Shriky B, Babenko M, Whiteside BR. Dissolving and Swelling Hydrogel-Based Microneedles: An Overview of Their Materials, Fabrication, Characterization Methods, and Challenges. Gels 2023; 9:806. [PMID: 37888379 PMCID: PMC10606778 DOI: 10.3390/gels9100806] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/28/2023] Open
Abstract
Polymeric hydrogels are a complex class of materials with one common feature-the ability to form three-dimensional networks capable of imbibing large amounts of water or biological fluids without being dissolved, acting as self-sustained containers for various purposes, including pharmaceutical and biomedical applications. Transdermal pharmaceutical microneedles are a pain-free drug delivery system that continues on the path to widespread adoption-regulatory guidelines are on the horizon, and investments in the field continue to grow annually. Recently, hydrogels have generated interest in the field of transdermal microneedles due to their tunable properties, allowing them to be exploited as delivery systems and extraction tools. As hydrogel microneedles are a new emerging technology, their fabrication faces various challenges that must be resolved for them to redeem themselves as a viable pharmaceutical option. This article discusses hydrogel microneedles from a material perspective, regardless of their mechanism of action. It cites the recent advances in their formulation, presents relevant fabrication and characterization methods, and discusses manufacturing and regulatory challenges facing these emerging technologies before their approval.
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Affiliation(s)
- Bana Shriky
- Faculty of Engineering and Digital Technologies, University of Bradford, Bradford BD7 1DP, UK;
| | | | - Ben R. Whiteside
- Faculty of Engineering and Digital Technologies, University of Bradford, Bradford BD7 1DP, UK;
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16
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Vora LK, Sabri AH, Naser Y, Himawan A, Hutton ARJ, Anjani QK, Volpe-Zanutto F, Mishra D, Li M, Rodgers AM, Paredes AJ, Larrañeta E, Thakur RRS, Donnelly RF. Long-acting microneedle formulations. Adv Drug Deliv Rev 2023; 201:115055. [PMID: 37597586 DOI: 10.1016/j.addr.2023.115055] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/09/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
The minimally-invasive and painless nature of microneedle (MN) application has enabled the technology to obviate many issues with injectable drug delivery. MNs not only administer therapeutics directly into the dermal and ocular space, but they can also control the release profile of the active compound over a desired period. To enable prolonged delivery of payloads, various MN types have been proposed and evaluated, including dissolving MNs, polymeric MNs loaded or coated with nanoparticles, fast-separable MNs hollow MNs, and hydrogel MNs. These intricate yet intelligent delivery platforms provide an attractive approach to decrease side effects and administration frequency, thus offer the potential to increase patient compliance. In this review, MN formulations that are loaded with various therapeutics for long-acting delivery to address the clinical needs of a myriad of diseases are discussed. We also highlight the design aspects, such as polymer selection and MN geometry, in addition to computational and mathematical modeling of MNs that are necessary to help streamline and develop MNs with high translational value and clinical impact. Finally, up-scale manufacturing and regulatory hurdles along with potential avenues that require further research to bring MN technology to the market are carefully considered. It is hoped that this review will provide insight to formulators and clinicians that the judicious selection of materials in tandem with refined design may offer an elegant approach to achieve sustained delivery of payloads through the simple and painless application of a MN patch.
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Affiliation(s)
- Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Akmal H Sabri
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Yara Naser
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Achmad Himawan
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Universitas Hasanuddin, Makassar 90245, Indonesia
| | - Aaron R J Hutton
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Fabiana Volpe-Zanutto
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Deepakkumar Mishra
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Mingshan Li
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Aoife M Rodgers
- The Wellcome-Wolfson Institute for Experimental Medicine, Queen's University of Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Alejandro J Paredes
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | | | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
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17
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Abu Ershaid JM, Vora LK, Volpe-Zanutto F, Sabri AH, Peng K, Anjani QK, McKenna PE, Ripolin A, Larrañeta E, McCarthy HO, Donnelly RF. Microneedle array patches for sustained delivery of fluphenazine: A micron scale approach for the management of schizophrenia. BIOMATERIALS ADVANCES 2023; 153:213526. [PMID: 37348183 DOI: 10.1016/j.bioadv.2023.213526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 06/06/2023] [Accepted: 06/13/2023] [Indexed: 06/24/2023]
Abstract
Schizophrenia is a severe chronic mental illness characterised by impaired emotional and cognitive functioning. To treat this condition, antipsychotics are available in limited dosage forms, mainly oral and injectable formulations. Although injectable antipsychotics were designed to enhance adherence, they are invasive, painful and require a healthcare professional to be administered. To overcome such administration issues, extensive research has been focused on developing transdermal antipsychotic formulations. In this work, three microneedle (MN) systems were developed to deliver fluphenazine (FLU) systemically. A decanoic prodrug of FLU called fluphenazine decanoate (FLUD) was used in two of the MN formulations due to its high lipophilicity. FLU-D was loaded into dissolving MNs and nanoemulsion (NE)-loaded MNs. The parent drug FLU was loaded into poly(lactic-co-glycolic acid) (PLGA)-tipped MNs. All MN systems were characterised and evaluated in vitro and in vivo. The in vivo evaluation of the three developed MN systems showed their ability to deliver FLU into the systemic circulation, as the Cmax of FLU-D dissolving MNs was 36.11 ± 12.37 ng/ml. However, the Cmax of FLU-D NE loaded dissolving MNs was 12.92 ± 6.3 ng/ml and for FLU-PLGA tipped MNs was 21.57 ± 2.45 ng/ml. Compared to an intramuscular (IM) injection of FLU-D in sesame oil, the relative bioavailabilities were 26.96 %, 21.73 % and 42.45 % for FLU-D dissolving MNs, FLU-D NE dissolving MNs and FLU-PLGA tipped MNs, respectively. FLU plasma levels were maintained above the minimum human therapeutic limits for a week. Consequently, these various MN formulations are considered to be a viable options for the transdermal delivery of fluphenazine and its prodrug. The three MN systems developed offer patients a user-friendly, painless, and convenient long-acting delivery method for FLU. Reducing dosing frequency and using less invasive drug administration methods can enhance adherence and foster positive therapeutic outcomes. This study demonstrates the capability and adaptability of MNs technology to transport hydrophobic molecules from the skin to the systemic circulation.
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Affiliation(s)
- Juhaina M Abu Ershaid
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; School of Pharmacy, Department of Applied Pharmaceutical Sciences and Clinical Pharmacy, Isra University, Amman 11622, Jordan
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Fabiana Volpe-Zanutto
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK; Faculty of Pharmaceutical Sciences, R. Cândido Portinari, 200 - Cidade Universitária, Campinas, SP 13083-871, University of Campinas, Brazil
| | - Akmal H Sabri
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ke Peng
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita K Anjani
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Peter E McKenna
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Anastasia Ripolin
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK.
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18
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Wang X, Ma Y, Qi X, Ruan X, Cao D, Zhao F. Practicality of non-invasive glucagon-loaded dissolving microneedle for life-saving treatment of severe hypoglycemia in a diabetic rat model. Int J Pharm 2023; 644:123340. [PMID: 37625601 DOI: 10.1016/j.ijpharm.2023.123340] [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: 05/03/2023] [Revised: 07/30/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
The development of dissolving microneedles (DMNs) has brought light to the transdermal delivery of biomolecules that are released into the skin through the rapid dissolution of the matrix material to enter the systemic circulation and exert therapeutic effects. Herein, we aimed to prepare, characterize, and analyze the effectiveness of a glucagon-loaded DMN system that rapidly increases blood sugar levels in rats with diabetic hypoglycemia. The stability and content of biological drugs following DMNs preparation was assessed using circular dichroism and bicinchoninic acid kit for protein determination kits(BCA kits). The maximum drug loading capacity of DMNs was approximately 140 μg in each patch, and the microneedles could be stored for up to 14 days under dry storage conditions. In vitro skin permeation studies were conducted using a Franz diffusion cell apparatus for glucagon-loaded DMNs. To investigate the efficacy of transdermal drug delivery, drug-laden DMNs were administered to rats with hypoglycemic diabetes. Compared to subcutaneous injections, microneedle drug release demonstrated comparable efficacy in raising blood glucose levels in vivo. Therefore, this study demonstrated that glucagon-loaded DMNs may be a promising approach for efficient transdermal drug delivery as an alternative to subcutaneous injection for the treatment of severe hypoglycemia in patients with diabetes.
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Affiliation(s)
- Xuejiao Wang
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Yinling Ma
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China; National Clinical Drug Monitoring Center, Department of Pharmacy, Hebei Province General Center, Shijiazhuang 050051, China
| | - Xiaodan Qi
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Xi Ruan
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China
| | - Deying Cao
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China.
| | - Feng Zhao
- School of Pharmacy, Hebei Medical University, Shijiazhuang 050017, China.
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19
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Cosio T, Costanza G, Coniglione F, Romeo A, Iacovelli F, Diluvio L, Dika E, Shumak RG, Rossi P, Bianchi L, Falconi M, Campione E. From In Silico Simulation between TGF- β Receptors and Quercetin to Clinical Insight of a Medical Device Containing Allium cepa: Its Efficacy and Tolerability on Post-Surgical Scars. Life (Basel) 2023; 13:1781. [PMID: 37629638 PMCID: PMC10455185 DOI: 10.3390/life13081781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/10/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
(1) Objective: Keloid and hypertrophic scars are a challenge in clinical management, causing functional and psychological discomfort. These pathological scars are caused by a proliferation of dermal tissue following skin injury. The TGF-β/Smad signal pathway in the fibroblasts and myofibroblasts is involved in the scarring process of skin fibrosis. Today, multiple therapeutic strategies that target the TGF-β/Smad signal pathway are evaluated to attenuate aberrant skin scars that are sometimes difficult to manage. We performed a head-to-head, randomized controlled trial evaluating the appearance of the post-surgical scars of 64 subjects after two times daily topical application to compare the effect of a class I pullulan-based medical device containing Allium cepa extract 5% and hyaluronic acid 5% gel versus a class I medical device silicone gel on new post-surgical wounds. (2) Methods: Objective scar assessment using the Vancouver Scar Scale (VSS), POSAS, and other scales were performed after 4, 8, and 12 weeks of treatment and statistical analyses were performed. The trial was registered in clinicalTrials.gov ( NCT05412745). In parallel, molecular docking simulations have been performed to investigate the role of Allium cepa in TGF-β/Smad signal pathway. (3) Results: We showed that VSS, POSAS scale, itching, and redness reduced significantly at week 4 and 8 in the subjects using devices containing Allium cepa and HA. No statistically significant differences in evaluated scores were noted at 12 weeks of treatment. Safety was also evaluated by gathering adverse events related to the application of the gel. Subject compliance and safety with the assigned gel were similar between the two study groups. Molecular docking simulations have shown how Allium cepa could inhibit fibroblasts proliferation and contraction via TGF-β/Smad signal pathway. (4) Conclusions: The topical application of a pullulan-based medical device containing Allium cepa and HA showed a clear reduction in the local inflammation, which might lead to a reduced probability of developing hypertrophic scars or keloids.
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Affiliation(s)
- Terenzio Cosio
- Post Graduate School of Microbiology, Immunology, Infectious Diseases, and Transplants (MIMIT), Microbiology Section, Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy;
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
| | - Gaetana Costanza
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
- Virology Unit, Tor Vergata Hospital, 00133 Rome, Italy
| | - Filadelfo Coniglione
- Department of Surgical Sciences, University Nostra Signora del Buon Consiglio, 1000 Tirana, Albania;
| | - Alice Romeo
- Department of Biology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy; (A.R.); (F.I.); (M.F.)
| | - Federico Iacovelli
- Department of Biology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy; (A.R.); (F.I.); (M.F.)
| | - Laura Diluvio
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
| | - Emi Dika
- Dermatology, Department of Medical and Surgical Sciences Alma Mater Studiorum, University of Bologna, 40138 Bolog, Italy;
- Oncologic Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Ruslana Gaeta Shumak
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
| | - Piero Rossi
- Department of Surgical Sciences, University of Rome Tor Vergata, 00133 Rome, Italy;
- Minimally Invasive Unit, Tor Vergata Hospital, 00133 Rome, Italy
| | - Luca Bianchi
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
| | - Mattia Falconi
- Department of Biology, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy; (A.R.); (F.I.); (M.F.)
| | - Elena Campione
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (L.D.); (R.G.S.); (L.B.)
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20
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Wang Y, Yu H, Wang L, Hu J, Feng J. Progress in the preparation and evaluation of glucose-sensitive microneedle systems and their blood glucose regulation. Biomater Sci 2023; 11:5410-5438. [PMID: 37395463 DOI: 10.1039/d3bm00463e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Glucose-sensitive microneedle systems (GSMSs) as an intelligent strategy for treating diabetes can well solve the problems of puncture pain, hypoglycemia, skin damage, and complications caused by the subcutaneous injection of insulin. According to the various functions of each component, herein, therapeutic GSMSs are reviewed based on three parts (glucose-sensitive models, diabetes medications, and microneedle body). Moreover, the characteristics, benefits, and drawbacks of three types of typical glucose-sensitive models (phenylboronic acid based polymer, glucose oxidase, and concanavalin A) and their drug delivery models are reviewed. In particular, phenylboronic acid-based GSMSs can provide a long-acting drug dose and controlled release rate for the treatment of diabetes. Moreover, their painless, minimally invasive puncture also greatly improves patient compliance, treatment safety, and potential application prospects.
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Affiliation(s)
- Yu Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
- Zhejiang-Russia Joint Laboratory of Photo-Electro-Magnetic Functional Materials, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China
| | - Li Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China.
- Zhejiang-Russia Joint Laboratory of Photo-Electro-Magnetic Functional Materials, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, P. R. China
| | - Jian Hu
- Key Laboratory of Clinical Evaluation Technology for Medical Device of Zhejiang Province, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, P.R. China
| | - Jingyi Feng
- Key Laboratory of Clinical Evaluation Technology for Medical Device of Zhejiang Province, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, P.R. China
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21
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Lv H, Gao N, Zhou Q, Wang Y, Ling G, Zhang P. Collagen-Based Dissolving Microneedles with Flexible Pedestals: A Transdermal Delivery System for Both Anti-Aging and Skin Diseases. Adv Healthc Mater 2023; 12:e2203295. [PMID: 37029522 DOI: 10.1002/adhm.202203295] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/19/2023] [Indexed: 04/09/2023]
Abstract
Biocompatible polymer microneedles (MNs) are emerging as a promising platform for transdermal drug delivery, especially for facial treatments. Therefore, an MN patch in this study uses hydrolyzed collagen (HC) contained in skin cells as the main raw material and adopts a two-step cast method to develop a rapidly dissolving microneedle (DMN) to deliver collagen in a simple and minimally invasive way, allowing the release of the encapsulated drug in the skin. By optimizing the formulation and proportion of HC and auxiliary support materials, the mechanical strength required to pierce the skin is obtained, while the soft pedestal allows for flexibility in application. The DMNs can dissolve completely in the skin within 15 min and release within ≈ 8 h, and do not cause toxicity or irritation when being applied. In contrast to the ineffectiveness of oral and external application, and the high risk of dermal injection, drug-loaded DMNs overcome the drawbacks of traditional methods with direct penetration and minimally invasive manner, enabling efficient and safe treatment. The successful preparation and research of HC DMNs have innovative and practical significance in this field, and it is expected to become a simple, effective, and popular transdermal drug delivery platform for cosmetics.
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Affiliation(s)
- Hongqian Lv
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Nan Gao
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Qixin Zhou
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Yan Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Guixia Ling
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
| | - Peng Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, 110016, China
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22
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Magill E, Demartis S, Gavini E, Permana AD, Thakur RRS, Adrianto MF, Waite D, Glover K, Picco CJ, Korelidou A, Detamornrat U, Vora LK, Li L, Anjani QK, Donnelly RF, Domínguez-Robles J, Larrañeta E. Solid implantable devices for sustained drug delivery. Adv Drug Deliv Rev 2023; 199:114950. [PMID: 37295560 DOI: 10.1016/j.addr.2023.114950] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 06/02/2023] [Accepted: 06/04/2023] [Indexed: 06/12/2023]
Abstract
Implantable drug delivery systems (IDDS) are an attractive alternative to conventional drug administration routes. Oral and injectable drug administration are the most common routes for drug delivery providing peaks of drug concentrations in blood after administration followed by concentration decay after a few hours. Therefore, constant drug administration is required to keep drug levels within the therapeutic window of the drug. Moreover, oral drug delivery presents alternative challenges due to drug degradation within the gastrointestinal tract or first pass metabolism. IDDS can be used to provide sustained drug delivery for prolonged periods of time. The use of this type of systems is especially interesting for the treatment of chronic conditions where patient adherence to conventional treatments can be challenging. These systems are normally used for systemic drug delivery. However, IDDS can be used for localised administration to maximise the amount of drug delivered within the active site while reducing systemic exposure. This review will cover current applications of IDDS focusing on the materials used to prepare this type of systems and the main therapeutic areas of application.
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Affiliation(s)
- Elizabeth Magill
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Sara Demartis
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Sassari, 07100, Italy
| | - Elisabetta Gavini
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Sassari, 07100, Italy
| | - Andi Dian Permana
- Department of Pharmaceutics, Faculty of Pharmacy, Universitas Hasanuddin, Makassar 90245, Indonesia
| | - Raghu Raj Singh Thakur
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Muhammad Faris Adrianto
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Airlangga University, Surabaya, East Java 60115, Indonesia
| | - David Waite
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK; Re-Vana Therapeutics, McClay Research Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Katie Glover
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Camila J Picco
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Anna Korelidou
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Usanee Detamornrat
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Linlin Li
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK; Fakultas Farmasi, Universitas Megarezky, Jl. Antang Raya No. 43, Makassar 90234, Indonesia
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK
| | - Juan Domínguez-Robles
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain.
| | - Eneko Larrañeta
- School of Pharmacy, Queen's University Belfast, 97, Lisburn Road, Belfast BT9 7BL, UK.
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23
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Tian Y, Jing H, Wang Q, Hu S, Wu Z, Duan Y. Dissolving microneedles-based programmed delivery system for enhanced chemo-immunotherapy of melanoma. J Control Release 2023; 360:630-646. [PMID: 37414221 DOI: 10.1016/j.jconrel.2023.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/18/2023] [Accepted: 07/02/2023] [Indexed: 07/08/2023]
Abstract
Immune checkpoint blockade, especially the programmed cell death ligand 1 (PD-L1) blockade, has revolutionized the treatment of melanoma. However, PD-1/PD-L1 monotherapy leads to unsatisfactory therapeutic outcomes. The immunotherapy of melanoma could be improved by adding doxorubicin (DOX), which triggers immunogenic cell death (ICD) effect to activate anti-tumor immunity. Additionally, microneedles, especially dissolving microneedles (dMNs), can further enhance outcomes of chemo-immunotherapy due to the physical adjuvant effect of dMNs. Herein, we developed the dMNs-based programmed delivery system that incorporated pH-sensitive and melanoma-targeting liposomes to co-deliver DOX and siPD-L1, achieving enhanced chemo-immunotherapy of melanoma (si/DOX@LRGD dMNs). The incorporated si/DOX@LRGD LPs demonstrated uniform particle size, pH-sensitive drug release, high in vitro cytotoxicity and targeting ability. Besides, si/DOX@LRGD LPs effectively downregulated the expression of PD-L1, induced tumor cell apoptosis and triggered ICD effect. The si/DOX@LRGD LPs also showed deep penetration (approximately 80 μm) in 3D tumor spheroids. Moreover, si/DOX@LRGD dMNs dissolved rapidly into the skin and had sufficient mechanical strength to penetrate skin, reaching a depth of approximately 260 μm in mice skin. In mice model of melanoma tumor, si/DOX@LRGD dMNs exhibited better anti-tumor efficacy than monotherapy by dMNs and tail intravenous injection at the same dose. This was due to the higher cytotoxic CD8+ T cells and the secreted cytotoxic cytokine IFN-γ evoked by si/DOX@LRGD dMNs, thereby eliciting strong T-cell mediated immune response and resulted in enhanced anti-tumor effects. In conclusion, these findings suggested that si/DOX@LRGD dMNs provided a promising and effective strategy for enhanced chemo-immunotherapy of melanoma.
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Affiliation(s)
- Yu Tian
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hongshu Jing
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Quan Wang
- State Key Laboratory of Systems Medicine for Cancer, Renji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Suxian Hu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhihua Wu
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yourong Duan
- State Key Laboratory of Systems Medicine for Cancer, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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24
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Hou X, Li J, Hong Y, Ruan H, Long M, Feng N, Zhang Y. Advances and Prospects for Hydrogel-Forming Microneedles in Transdermal Drug Delivery. Biomedicines 2023; 11:2119. [PMID: 37626616 PMCID: PMC10452559 DOI: 10.3390/biomedicines11082119] [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: 05/31/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
Transdermal drug delivery (TDD) is one of the key approaches for treating diseases, avoiding first-pass effects, reducing systemic adverse drug reactions and improving patient compliance. Microneedling, iontophoresis, electroporation, laser ablation and ultrasound facilitation are often used to improve the efficiency of TDD. Among them, microneedling is a relatively simple and efficient means of drug delivery. Microneedles usually consist of micron-sized needles (50-900 μm in length) in arrays that can successfully penetrate the stratum corneum and deliver drugs in a minimally invasive manner below the stratum corneum without touching the blood vessels and nerves in the dermis, improving patient compliance. Hydrogel-forming microneedles (HFMs) are safe and non-toxic, with no residual matrix material, high drug loading capacity, and controlled drug release, and they are suitable for long-term, multiple drug delivery. This work reviewed the characteristics of the skin structure and TDD, introduced TDD strategies based on HFMs, and summarized the characteristics of HFM TDD systems and the evaluation methods of HFMs as well as the application of HFM drug delivery systems in disease treatment. The HFM drug delivery system has a wide scope for development, but the translation to clinical application still has more challenges.
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Affiliation(s)
- Xiaolin Hou
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Jiaqi Li
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Yongyu Hong
- Xiamen Hospital of Chinese Medicine, No. 1739 Xiangyue Road, Huli District, Xiamen 361015, China;
| | - Hang Ruan
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Meng Long
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Nianping Feng
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
| | - Yongtai Zhang
- Department of Pharmaceutics, Shanghai University of Traditional Chinese Medicine, No. 1200 Cailun Road, Pudong New Area, Shanghai 201203, China; (X.H.); (J.L.); (H.R.); (M.L.)
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25
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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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26
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Lammerding LC, Breitkreutz J. Technical evaluation of precisely manufacturing customized microneedle array patches via inkjet drug printing. Int J Pharm 2023:123173. [PMID: 37369288 DOI: 10.1016/j.ijpharm.2023.123173] [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: 03/10/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 06/29/2023]
Abstract
Dissolvable microneedle array patches offer the possibility to deliver active pharmaceutical ingredients bypassing the gastrointestinal tract by piercing the stratum corneum. Usually, microneedles are produced by micromolding but this often results in a waste of active pharmaceutical ingredient. In this study, inkjet printing was investigated as a manufacturing technology for dissolvable microneedle array patches. A suitable ink for the printing process was developed for lisinopril as a peptidomimetic model drug. The printing process was optimized. Povidone was found to be a promising polymer for the precise and smooth production of dissolvable microneedles. Different patterns of microneedles and blank spaces were successfully printed into one microneedle array patch. It was possible to exactly define the cavities to be filled. The amount of lisinopril was precisely adjusted between 95.14 and 99.26 % of the target dose. The applied method demonstrated the precise dosage opportunities of the inkjet printing methodology for customization and drug waste reduction. Inkjet printing could be used as a precise manufacturing method for personalized microneedle array patches as well as to combine incompatible drug substances in a single patch.
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Affiliation(s)
- Lukas C Lammerding
- Heinrich Heine University Duesseldorf, Institute of Pharmaceutics and Biopharmaceutics, Universitätsstraße 1, 40225 Duesseldorf, Germany
| | - Jörg Breitkreutz
- Heinrich Heine University Duesseldorf, Institute of Pharmaceutics and Biopharmaceutics, Universitätsstraße 1, 40225 Duesseldorf, Germany.
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27
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Tang X, Qin H, Yang J, Zhang X. Transdermal Delivery of Estradiol Simultaneously Possessing Rapid Release and Sustained Release Effect. AAPS PharmSciTech 2023; 24:145. [PMID: 37353673 DOI: 10.1208/s12249-023-02604-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/30/2023] [Indexed: 06/25/2023] Open
Abstract
Dissolving microneedle (DMN) has been researched as a drug delivery technology that improves drug molecule transportation through the skin with little discomfort. However, the sluggish drug absorption, poor skin dissolution, and lengthy time lags of DMN have limited its potential uses. The aim of this study was to design a novel DMN system for the administration of the poorly water-soluble drug, estradiol (E2), with fast skin penetration and a stable release rate for a long time. DMN containing E2 emulsion (E2-EM-DMN) and traditional DMN (T-DMN) were prepared. Rat skin was used for penetration test and guinea pig skin was used for skin irritation experiment. The drug release profiles and stability properties of these two kinds of DMNs were also investigated. High performance liquid chromatography was employed to determine the E2 content in DMN. The E2 concentration in rat plasma was achieved by a newly developed liquid chromatography-mass spectrometry method that was fast, reproducible, and specific. The height of E2-EM-DMN and T-DMN was 600 μm. The drug loading of the E2-EM-DMN and T-DMN was 667.30 ± 7.21 μg/patch and 672.56 ± 6.98 μg/patch. E2-EM-DMN possessed enough mechanical strength to penetrate the skin and caused no irritation to the skin. E2-EM-DMN could release the drug more rapidly and more continuously than T-DMN. E2-EM-DMN had good pharmaceutical stability. In summary, the E2-EM-DMN showed reliable quality and superior release performance. Emulsion-embedded DMN is an ideal transdermal delivery system for drugs.
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Affiliation(s)
- XiaoFei Tang
- School of Pharmacy, Lanzhou University, No.199, Donggang West Road, Lanzhou, 730000, China
| | - Huaiying Qin
- School of Pharmacy, Lanzhou University, No.199, Donggang West Road, Lanzhou, 730000, China
| | - Jianhua Yang
- School of Pharmacy, Lanzhou University, No.199, Donggang West Road, Lanzhou, 730000, China
| | - XiaoYun Zhang
- School of Pharmacy, Lanzhou University, No.199, Donggang West Road, Lanzhou, 730000, China.
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28
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Luo X, Yang L, Cui Y. Microneedles: materials, fabrication, and biomedical applications. Biomed Microdevices 2023; 25:20. [PMID: 37278852 PMCID: PMC10242236 DOI: 10.1007/s10544-023-00658-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2023] [Indexed: 06/07/2023]
Abstract
The microneedles have attracted great interests for a wide range of transdermal biomedical applications, such as biosensing and drug delivery, due to the advantages of being painless, semi-invasive, and sustainable. The ongoing challenges are the materials and fabrication methods of the microneedles in order to obtain a specific shape, configuration and function of the microneedles to achieve a target biomedical application. Here, this review would introduce the types of materials of the microneedles firstly. The hardness, Young's modulus, geometric structure, processability, biocompatibility and degradability of the microneedles are explored as well. Then, the fabrication methods for the solid and hollow microneedles in recent years are reviewed in detail, and the advantages and disadvantages of each process are analyzed and compared. Finally, the biomedical applications of the microneedles are reviewed, including biosensing, drug delivery, body fluid extraction, and nerve stimulation. It is expected that this work provides the fundamental knowledge for developing new microneedle devices, as well as the applications in a variety of biomedical fields.
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Affiliation(s)
- Xiaojin Luo
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing, 100871, People's Republic of China
| | - Li Yang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Key Laboratory of Chronic Kidney Disease Prevention and Treatment (Peking University), Ministry of Education, Beijing, 100034, People's Republic of China.
| | - Yue Cui
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing, 100871, People's Republic of China.
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29
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Qu X, Guo X, Zhu T, Zhang Z, Wang W, Hao Y. Microneedle patches containing mesoporous polydopamine nanoparticles loaded with triamcinolone acetonide for the treatment of oral mucositis. Front Bioeng Biotechnol 2023; 11:1203709. [PMID: 37214298 PMCID: PMC10196213 DOI: 10.3389/fbioe.2023.1203709] [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: 04/11/2023] [Accepted: 04/24/2023] [Indexed: 05/24/2023] Open
Abstract
Oral mucositis (OM) is the most common disease of the oral mucosa, which affects people's daily production and life. Triamcinolone ointment is the common clinical drug for OM treatment. However, the hydrophobic properties of triamcinolone acetonide (TA) and the complex microenvironment of the oral cavity led to its low bioavailability and unstable therapeutic effects on ulcer wounds. Herein, dissolving microneedle patches (MNs) composed of mesoporous polydopamine nanoparticles (MPDA) loaded with TA (TA@MPDA), sodium hyaluronic acid (HA), and Bletilla striata polysaccharide (BSP) are prepared as the transmucosal delivery system. The prepared TA@MPDA-HA/BSP MNs exhibit well-arranged microarrays, high mechanical strength and fast solubility (<3 min) properties. In addition, the hybrid structure improves the biocompatibility of TA@MPDA and expedites oral ulcer healing in the SD rat model through the synergistic anti-inflammatory and pro-healing effects of microneedle ingredients (hormones, MPDA and Chinese herbs extracts), with 90% less amount of TA compared with Ning Zhi Zhu®. TA@MPDA-HA/BSP MNs are shown to be their great potential as novel ulcer dressings for OM management.
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Affiliation(s)
- Xiaoying Qu
- Department of Stomatology, School of Stomatology of Weifang Medical University, Weifang, China
| | - Xiaoli Guo
- School of Stomatology of Qingdao University, Qingdao, China
| | - Tingting Zhu
- School of Stomatology of Qingdao University, Qingdao, China
| | - Zhe Zhang
- School of Stomatology of Qingdao University, Qingdao, China
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30
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A chitosan/fucoidan nanoparticle-loaded pullulan microneedle patch for differential drug release to promote wound healing. Carbohydr Polym 2023; 306:120593. [PMID: 36746584 DOI: 10.1016/j.carbpol.2023.120593] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/04/2023] [Accepted: 01/13/2023] [Indexed: 01/24/2023]
Abstract
Wound healing is a largely unmet medical issue in trauma, burn, and diabetes. In this study, a pullulan-based and nanoparticle-loaded smart microneedle patch is designed to release drugs differentially based on the needs of wound healing. Chitosan and fucoidan are first used to prepare moxifloxacin (MOX)-loaded nanoparticles (MOXNPs) with a diameter of 258.0 ± 10.86 nm, PDI 0.19 ± 0.06, and surface charge 45.1 ± 3.9 mV. MOXNPs, lidocaine (LH), and thrombin (TH) are then incorporated to a 30 % (w/w) pullulan-based microneedle patch (TH + LH + MOXNPs@MN). TH + LH + MOXNPs@MN possesses uniform and cone-shaped microneedles with a length of 725 μm, demonstrating good biocompatibility, sufficient strength for skin penetration, fast skin dissolution within 55 ± 5 min, rapid release of TH and LH within 1 h, and sustained release of MOX for 24 h. TH + LH + MOXNPs@MN heals mice skin wounds completely within 7 days and restores collagen deposition with accelerated cell proliferation, granulation, and reduced pro-inflammatory cytokines. In conclusion, this study utilizes combined polysaccharides to develop a smart multifunctional microneedle platform that achieves rapid hemostasis/analgesia and sustained bactericidal action. The smart and combined therapy is a potential strategy for high-quality wound healing.
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31
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Paris JL, Vora LK, José Torres M, Mayorga C, Donnelly RF. Microneedle array patches for allergen-specific immunotherapy. Drug Discov Today 2023; 28:103556. [PMID: 36931387 DOI: 10.1016/j.drudis.2023.103556] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/25/2022] [Accepted: 03/11/2023] [Indexed: 03/17/2023]
Abstract
The incidence of allergies has been steadily increasing in recent years. Allergen-specific immunotherapy (AIT) represents the only approach capable of inducing long-term immune tolerance toward allergens. However, the clinical success of AIT is limited by efficacy or safety concerns related to the administration route. Therapeutic delivery in the skin appears promising, given the presence of immune cells in the skin and the relatively low level of systemic distribution that occurs with this delivery method. However, the stratum corneum greatly limits this route. In this regard, the use of microneedles has been proposed to improve the delivery of therapeutics into the skin. In this review, we discuss recent developments in the use of microneedles for AIT, highlighting avenues for future research.
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Affiliation(s)
- Juan L Paris
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK.
| | - María José Torres
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Allergy Clinical Unit, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - Cristobalina Mayorga
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, Málaga, Spain; Allergy Clinical Unit, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, Belfast, UK.
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32
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Pullulan in pharmaceutical and cosmeceutical formulations: A review. Int J Biol Macromol 2023; 231:123353. [PMID: 36681225 DOI: 10.1016/j.ijbiomac.2023.123353] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/05/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Pullulan, an α-glucan polysaccharide, is colorless, odorless, non-toxic, non-carcinogenic, highly biocompatible, edible and biodegradable in nature. The long chains of glucopyranose rings in pullulan structure are linked together by α-(1 → 4) and α-(1 → 6) glycosidic linkages. The occurrence of both glycosidic linkages in the pullulan structure contributes to its distinctive properties. The unique structure of pullulan makes it a potent candidate for both pharmaceutical and cosmeceutical applications. In pharmaceuticals, it can be used as a drug carrier and in various dosage formulations. It has been widely used in drug targeting, implants, ocular dosage forms, topical formulations, oral dosage forms, and oral liquid formulations, etc. Pullulan can be used as a potential carrier of active ingredients and their site-specific delivery to skin layers for cosmeceutical applications. It has been extensively used in cosmeceutical formulations like creams, shampoo, lotions, sunscreen, facial packs, etc. The current review highlights applications of pullulan in pharmaceutical and cosmeceutical applications.
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33
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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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Microneedles as a momentous platform for psoriasis therapy and diagnosis: A state-of-the-art review. Int J Pharm 2023; 632:122591. [PMID: 36626973 DOI: 10.1016/j.ijpharm.2023.122591] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/20/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
Psoriasis is a chronic, autoimmune, and non-communicable skin disease with a worldwide prevalence rate of 2-3%, creating an economic burden on global health. Some significant risk factors associated with psoriasis include genetic predisposition, pathogens, stress, medications, etc. In addition, most patients with psoriasis should also deal with comorbidities such as psoriatic arthritis, inflammatory bowel diseases, cardiovascular diseases, and psychological conditions, including suicidal thoughts. Based on its severity, the treatment approach for psoriasis is categorised into three types, i.e., topical therapy, systemic therapy, and phototherapy. Topical therapy for mild-to-moderate psoriasis faces several issues, such as poor skin permeability, low skin retention of drug formulation, greasy texture of topical vehicle, lack of controlled release, and so on. On the other arrow, systemic therapy via an oral or parenteral route of drug administration involves numerous drawbacks, including first-pass hepatic metabolism, hepatotoxicity, gastrointestinal disturbances, needle pain and phobia, and requirement of healthcare professional to administer the drug. To overcome these limitations, researchers devised a microneedle-based drug delivery system for treating mild-to-moderate and moderate-to-severe psoriasis. A single microneedle system can deliver the anti-psoriatic drugs either locally (topical) or systemically (transdermal) by adjusting the needle height without involving any pain. In this contemplate, the current review provides concise information on the pathophysiology, risk factors, and comorbidities of psoriasis, followed by their current treatment approaches and limitations. Further, it meticulously discusses the potential of microneedles in psoriasis therapy and diagnosis, along with descriptions of their patents and clinical trials.
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Khalifa MK, Dawaba AM, Dawaba HM, Al-Najjar AH, Elzaitony AS, Fouad FA, Soliman MM, Nasr ZA. Fabrication, optimization, and eco-friendly micellar HPLC determination of alogliptin/dapagliflozin pullulan-based sublingual films for therapeutic efficacy improvement in diabetic rats. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Nguyen HX, Nguyen CN. Microneedle-Mediated Transdermal Delivery of Biopharmaceuticals. Pharmaceutics 2023; 15:pharmaceutics15010277. [PMID: 36678906 PMCID: PMC9864466 DOI: 10.3390/pharmaceutics15010277] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Transdermal delivery provides numerous benefits over conventional routes of administration. However, this strategy is generally limited to a few molecules with specific physicochemical properties (low molecular weight, high potency, and moderate lipophilicity) due to the barrier function of the stratum corneum layer. Researchers have developed several physical enhancement techniques to expand the applications of the transdermal field; among these, microneedle technology has recently emerged as a promising platform to deliver therapeutic agents of any size into and across the skin. Typically, hydrophilic biomolecules cannot penetrate the skin by passive diffusion. Microneedle insertion disrupts skin integrity and compromises its protective function, thus creating pathways (microchannels) for enhanced permeation of macromolecules. Microneedles not only improve stability but also enhance skin delivery of various biomolecules. Academic institutions and industrial companies have invested substantial resources in the development of microneedle systems for biopharmaceutical delivery. This review article summarizes the most recent research to provide a comprehensive discussion about microneedle-mediated delivery of macromolecules, covering various topics from the introduction of the skin, transdermal delivery, microneedles, and biopharmaceuticals (current status, conventional administration, and stability issues), to different microneedle types, clinical trials, safety and acceptability of microneedles, manufacturing and regulatory issues, and the future of microneedle technology.
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Affiliation(s)
- Hiep X. Nguyen
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
- Correspondence: ; Tel.: +1-404-820-4015
| | - Chien N. Nguyen
- National Institute of Pharmaceutical Technology, Hanoi University of Pharmacy, Hanoi 100000, Vietnam
- Faculty of Pharmaceutics and Pharmaceutical Technology, Hanoi University of Pharmacy, Hanoi 100000, Vietnam
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Silva ACQ, Pereira B, Lameirinhas NS, Costa PC, Almeida IF, Dias-Pereira P, Correia-Sá I, Oliveira H, Silvestre AJD, Vilela C, Freire CSR. Dissolvable Carboxymethylcellulose Microneedles for Noninvasive and Rapid Administration of Diclofenac Sodium. Macromol Biosci 2023; 23:e2200323. [PMID: 36189897 DOI: 10.1002/mabi.202200323] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/13/2022] [Indexed: 01/19/2023]
Abstract
The aim of this study is to prepare dissolvable biopolymeric microneedle (MN) patches composed solely of sodium carboxymethylcellulose (CMC), a water-soluble cellulose derivative with good film-forming ability, by micromolding technology for the transdermal delivery of diclofenac sodium salt (DCF). The MNs with ≈456 µm in height displayed adequate morphology, thermal stability up to 200 °C, and the required mechanical strength for skin insertion (>0.15 N needle-1 ). Experiments in ex vivo abdominal human skin demonstrate the insertion capability of the CMC_DCF MNs up to 401 µm in depth. The dissolution of the patches in saline buffer results in a maximum cumulative release of 98% of diclofenac after 40 min, and insertion in a skin simulant reveals that all MNs completely dissolve within 10 min. Moreover, the MN patches are noncytotoxic toward human keratinocytes. These results suggest that the MN patches produced with CMC are promising biopolymeric systems for the rapid administration of DCF in a minimally invasive manner.
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Affiliation(s)
- Ana C Q Silva
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Bárbara Pereira
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Nicole S Lameirinhas
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Paulo C Costa
- UCIBIO-Applied Molecular Biosciences Unit, MedTech-Laboratory of Pharmaceutical Technology & Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Porto, 4050-313, Portugal
| | - Isabel F Almeida
- UCIBIO-Applied Molecular Biosciences Unit, MedTech-Laboratory of Pharmaceutical Technology & Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, Porto, 4050-313, Portugal
| | - Patrícia Dias-Pereira
- Institute of Biomedical Sciences Abel Salazar, ICBAS-UPorto, University of Porto, Porto, 4050-313, Portugal
| | - Inês Correia-Sá
- Department of Plastic, Aesthetic, Reconstructive and Aesthetic Surgery, Centro Hospitalar de S. João, Porto, 4200-319, Portugal
| | - Helena Oliveira
- Department of Biology & CESAM, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Armando J D Silvestre
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Carla Vilela
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Carmen S R Freire
- CICECO-Aveiro Institute of Materials and Department of Chemistry, University of Aveiro, Aveiro, 3810-193, Portugal
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Ping Y, Gao Q, Li C, Wang Y, Wang Y, Li S, Qiu M, Zhang L, Tu A, Tian Y, Zhao H. Construction of microneedle of Atractylodes macrocephala Rhizoma aqueous extract and effect on mammary gland hyperplasia based on intestinal flora. Front Endocrinol (Lausanne) 2023; 14:1158318. [PMID: 36926033 PMCID: PMC10011648 DOI: 10.3389/fendo.2023.1158318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND A microneedle patch loaded with Atractylodes macrocephala Rhizoma water extract was prepared for the treatment of mammary gland hyperplasia. To explore the relationship between Mammary gland hyperplasia and intestinal flora. MATERIALS AND METHODS Preparation of the microneedle patch by micromolding method, the prescription of the microneedle was optimized by the Box-Behnken Design response surface test, and the micro-morphology, penetration, toughness, and brittleness were investigated. In vitro release of drug-loaded microneedles was measured by diffusion cell method. The rat model of mammary gland hyperplasia was prepared by the combination of estradiol benzoate-progesterone, and the microneedle patch of Atractylodes macrocephala Rhizoma aqueous extract was used for intervention treatment. The change of levels in E2, P, and PRL in rat serum was determined. The intestinal contents of rats were collected and the changes in intestinal flora in MGH rats were analyzed by 16s rRNA high-throughput sequencing. RESULTS The optimized microneedle formula is a PVA concentration of 6.0%, HA concentration of 15.5%, and PVPK30 concentration of 16.0%. The prepared microneedle tip loaded with Atractylodes macrocephala Rhizoma aqueous extract has complete, sharp, and no bubbles and the needle rate of the microneedle array is in the range of 95%~100%. The bending rate of the microneedle is about 12.7%, and it has good flexibility, and the microneedle can puncture 4 layers of ParafilmⓇ membrane smoothly, and the puncture rate is more than 96%. The in vitro release of the microneedle was characterized by rapid release. The results of animal experiments showed that Atractylodes macrocephala Rhizoma aqueous extract microneedle patch could significantly reduce the E2 level, significantly reduce the PRL level, and significantly increase the P level. At the same time, it can regulate the abundance and diversity of intestinal flora in MGH rats, improve the intestinal flora disorder caused by mammary gland hyperplasia, and balance the community structure. CONCLUSION The prepared microneedle containing Atractylodes macrocephala Rhizoma aqueous extract has good toughness and brittle strength, can penetrate the skin and enter the dermis, and effectively deliver drugs to play a role in the treatment of mammary gland hyperplasia.
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Pan P, Liu Q, Wang L, Wang C, Hu L, Jiang Y, Deng Y, Li G, Chen J. Recent Advances in Multifunctional Microneedle Patches for Wound Healing and Health Monitoring. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202200126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Affiliation(s)
- Panpan Pan
- Marine College Shandong University Weihai 264209 China
| | - Qing Liu
- Marine College Shandong University Weihai 264209 China
| | - Lin Wang
- Marine College Shandong University Weihai 264209 China
| | - Chunxiao Wang
- Marine College Shandong University Weihai 264209 China
| | - Le Hu
- Marine College Shandong University Weihai 264209 China
| | - Yongjian Jiang
- Department of Pancreatic Surgery, Nephrology and Radiology Huashan Hospital Fudan University Shanghai 200040 China
| | - Yonghui Deng
- Department of Chemistry Department of Gastroenterology Zhongshan Hospital of Fudan University, State Key Laboratory of Molecular Engineering of Polymers Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) Fudan University Shanghai 200433 China
- School of Materials Science and Engineering Nanchang Hangkong University Nanchang 330063 China
| | - Guisheng Li
- School of Materials and Chemistry University of Shanghai for Science and Technology Shanghai 200093 China
| | - Jingdi Chen
- Marine College Shandong University Weihai 264209 China
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Remiro PDFR, Nagahara MHT, Azoubel RA, Franz-Montan M, d’Ávila MA, Moraes ÂM. Polymeric Biomaterials for Topical Drug Delivery in the Oral Cavity: Advances on Devices and Manufacturing Technologies. Pharmaceutics 2022; 15:pharmaceutics15010012. [PMID: 36678640 PMCID: PMC9864928 DOI: 10.3390/pharmaceutics15010012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/03/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022] Open
Abstract
There are several routes of drug administration, and each one has advantages and limitations. In the case of the topical application in the oral cavity, comprising the buccal, sublingual, palatal, and gingival regions, the advantage is that it is painless, non-invasive, allows easy application of the formulation, and it is capable of avoiding the need of drug swallowing by the patient, a matter of relevance for children and the elderly. Another advantage is the high permeability of the oral mucosa, which may deliver very high amounts of medication rapidly to the bloodstream without significant damage to the stomach. This route also allows the local treatment of lesions that affect the oral cavity, as an alternative to systemic approaches involving injection-based methods and oral medications that require drug swallowing. Thus, this drug delivery route has been arousing great interest in the pharmaceutical industry. This review aims to condense information on the types of biomaterials and polymers used for this functionality, as well as on production methods and market perspectives of this topical drug delivery route.
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Affiliation(s)
- Paula de Freitas Rosa Remiro
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering, University of Campinas, Campinas 13083-852, SP, Brazil
| | - Mariana Harue Taniguchi Nagahara
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering, University of Campinas, Campinas 13083-852, SP, Brazil
| | - Rafael Abboud Azoubel
- Department of Manufacturing and Materials Engineering, School of Mechanical Engineering, University of Campinas, Campinas 13083-860, SP, Brazil
| | - Michelle Franz-Montan
- Department of Biosciences, Piracicaba Dental School, University of Campinas, Piracicaba 13414-903, SP, Brazil
| | - Marcos Akira d’Ávila
- Department of Manufacturing and Materials Engineering, School of Mechanical Engineering, University of Campinas, Campinas 13083-860, SP, Brazil
| | - Ângela Maria Moraes
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering, University of Campinas, Campinas 13083-852, SP, Brazil
- Correspondence:
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Faizi HS, Vora LK, Nasiri MI, Wu Y, Mishra D, Anjani QK, Paredes AJ, Thakur RRS, Minhas MU, Donnelly RF. Deferasirox Nanosuspension Loaded Dissolving Microneedles for Intradermal Delivery. Pharmaceutics 2022; 14:pharmaceutics14122817. [PMID: 36559310 PMCID: PMC9784557 DOI: 10.3390/pharmaceutics14122817] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/01/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Microneedles are minimally invasive systems that can deliver drugs intradermally without pain and bleeding and can advantageously replace the hypodermal needles and oral routes of delivery. Deferasirox (DFS) is an iron chelator employed in several ailments where iron overload plays an important role in disease manifestation. In this study, DFS was formulated into a nanosuspension (NSs) through wet media milling employing PVA as a stabilizer and successfully loaded in polymeric dissolving microneedles (DMNs). The release studies for DFS-NS clearly showed a threefold increased dissolution rate compared to pure DFS. The mechanical characterization of DFS-NS-DMNs revealed that the system was sufficiently strong for efficacious skin penetration. Optical coherence tomography images confirmed an insertion of up to 378 µm into full-thickness porcine skin layers. The skin deposition studies showed 60% drug deposition from NS-DMN, which was much higher than from the DFS-NS transdermal patch (DFS-NS-TP) (without needles) or pure DFS-DMNs. Moreover, DFS-NS without DMNs did not deposit well inside the skin, indicating that DMNs played an important role in effectively delivering drugs inside the skin. Therefore, it is evident from the findings that loading DFS-NS into novel DMN devices can effectively deliver DFS transdermally.
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Affiliation(s)
- Hafsa Shahid Faizi
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Lalitkumar K. Vora
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Muhammad Iqbal Nasiri
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
- Department of Pharmaceutics, Hamdard Institute of Pharmaceutical Sciences, Hamdard University, Islamabad 45550, Pakistan
| | - Yu Wu
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Deepakkumar Mishra
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Qonita Kurnia Anjani
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Alejandro J. Paredes
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Raghu Raj Singh Thakur
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Muhammad Usman Minhas
- College of Pharmacy, University of Sargodha, Sargodha 40100, Pakistan
- Correspondence: (M.U.M.); (R.F.D.)
| | - Ryan F. Donnelly
- School of Pharmacy, Queen’s University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
- Correspondence: (M.U.M.); (R.F.D.)
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Evaluation of design and insertion analysis of a conical shaped polymeric based microneedle for transdermal drug delivery applications. ACTA INNOVATIONS 2022. [DOI: 10.32933/actainnovations.46.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
Transportation of drug through parental routes are conventionally followed through hypodermic injection methods, where hypodermic injections are administered into the human skin for drug release. However, there are some issues observed when these hypodermic needles are being used, there are instances where the needle is being inserted leaves some needle fractures in the skin. To cater to the issue scientific researchers are voraciously working on designing and developing polymeric type of microneedle structures for various medical diagnostic applications for glucose monitoring, drug delivery, and other applications. This article presents the structural design of a conicalshaped polymeric microneedle and the insertion force while being pierced into the skin. Simulations at different insertion angles on microneedle are analyzed by arriving with total needle displacements in the process of insertion. The von mises stress is also analyzed with applied force at different insertion angles resulted in incremental change in stress exerted by the microneedle. The resultant stress is below the yield stress which makes the microneedle pierce into the skin without breakage.
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Karim Z, Karwa P, Hiremath SRR. Polymeric microneedles for transdermal drug delivery- a review of recent studies. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Zhang XP, He YT, Li WX, Chen BZ, Zhang CY, Cui Y, Guo XD. An update on biomaterials as microneedle matrixes for biomedical applications. J Mater Chem B 2022; 10:6059-6077. [PMID: 35916308 DOI: 10.1039/d2tb00905f] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Microneedles (MNs) have been developed for various applications such as drug delivery, cosmetics, diagnosis, and biosensing. To meet the requirements of MNs used in these areas, numerous materials have been used for the fabrication of MNs. However, MNs will be exposed to skin tissues after piercing the stratum corneum barrier. Thus, it is necessary to ensure that the matrix materials of MNs have the characteristics of low toxicity, good biocompatibility, biodegradability, and sufficient mechanical properties for clinical application. In this review, the matrix materials currently used for preparing MNs are summarized and reviewed in terms of these factors. In addition, MN products used on the market and their applications are summarized in the end. This work may provide some basic information to researchers in the selection of MN matrix materials and in developing new materials.
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Affiliation(s)
- Xiao Peng Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu Ting He
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Wen Xuan Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Bo Zhi Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Can Yang Zhang
- Biopharmaceutical and Health Engineering Division, Tsinghua Shenzhen International Graduate School, Shenzhen, 518055, China.
| | - Yong Cui
- Department of Dermatology, China-Japan Friendship Hospital, East Street Cherry Park, Chaoyang District, Beijing, 100029, P. R. China.
| | - Xin Dong Guo
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 10029, China.
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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Anjani QK, Sabri AHB, Moreno-Castellanos N, Utomo E, Cárcamo-Martínez Á, Domínguez-Robles J, Wardoyo LAH, Donnelly RF. Soluplus®-based dissolving microarray patches loaded with colchicine: towards a minimally invasive treatment and management of gout. Biomater Sci 2022; 10:5838-5855. [PMID: 35972236 DOI: 10.1039/d2bm01068b] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Considered as one of the most common inflammatory arthritis, gout is characterised by a sudden onset of severe joint pain. As the first-line drug of choice used in treating acute gout, colchicine (CLC) is hindered by poor gastrointestinal permeability as well as unfavourable gastrointestinal side effects. Herein, we present, for the first time, the preparation of microarray array patches (MAPs) made of a polymeric solubiliser, Soluplus®, loaded with CLC for its systemic delivery. The fabricated MAPs displayed acceptable mechanical properties and were capable of being inserted into the skin to a depth of ≈500 μm in full thickness ex vivo neonatal porcine skin, as evidenced by optical coherence tomography. In vitro dermatokinetic studies utilising full thickness neonatal porcine skin demonstrated that the CLC-loaded MAPs delivered CLC across all skin strata, resulting in a delivery efficiency of 73% after 24 hours. Furthermore, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) and cell proliferation assays along with LIVE/DEAD™ staining on the 3T3-L1 cell line showed that the MAP formulation displayed minimal toxicity, with acceptable biocompatibility. Lastly, the anti-inflammatory properties of the formulation were evaluated using a THP-1 macrophage cell line. It was shown that treatment of THP-1 macrophages that are exposed to lipopolysaccharide (LPS) with CLC-loaded MAPs caused a significant (p < 0.05) reduction of TNF-α production, a pro-inflammatory cytokine typically associated with the early onset of acute gout. Accordingly, CLC-loaded MAPs could represent a new minimally-invasive alternative strategy for management of acute gout.
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Affiliation(s)
- Qonita Kurnia Anjani
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK. .,Fakultas Farmasi, Universitas Megarezky, Jl. Antang Raya No. 43, Makassar 90234, Indonesia
| | - Akmal Hidayat Bin Sabri
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Natalia Moreno-Castellanos
- Basic Science Department, Faculty of Health, Universidad Industrial de Santander, Bucaramanga 680001, Colombia
| | - Emilia Utomo
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Álvaro Cárcamo-Martínez
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Juan Domínguez-Robles
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
| | - Luki Ahmadi Hari Wardoyo
- Fakultas Seni Rupa dan Desain, Institut Teknologi Bandung, Jl. Ganesa No.10, Bandung 40132, Indonesia
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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The Finite Element Analysis Research on Microneedle Design Strategy and Transdermal Drug Delivery System. Pharmaceutics 2022; 14:pharmaceutics14081625. [PMID: 36015251 PMCID: PMC9413279 DOI: 10.3390/pharmaceutics14081625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
Microneedles (MNs) as a novel transdermal drug delivery system have shown great potential for therapeutic and disease diagnosis applications by continually providing minimally invasive, portable, cost-effective, high bioavailability, and easy-to-use tools compared to traditional parenteral administrations. However, microneedle transdermal drug delivery is still in its infancy. Many research studies need further in-depth exploration, such as safety, structural characteristics, and drug loading performance evaluation. Finite element analysis (FEA) uses mathematical approximations to simulate real physical systems (geometry and load conditions). It can simplify complex engineering problems to guide the precise preparation and potential industrialization of microneedles, which has attracted extensive attention. This article introduces FEA research for microneedle transdermal drug delivery systems, focusing on microneedle design strategy, skin mechanics models, skin permeability, and the FEA research on drug delivery by MNs.
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Recent advances in microneedle designs and their applications in drug and cosmeceutical delivery. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Drug delivery with dissolving microneedles: Skin puncture, its influencing factors and improvement strategies. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Abd-El-Azim H, Tekko IA, Ali A, Ramadan A, Nafee N, Khalafallah N, Rahman T, Mcdaid W, Aly RG, Vora LK, Bell SJ, Furlong F, McCarthy HO, Donnelly RF. Hollow microneedle assisted intradermal delivery of hypericin lipid nanocapsules with light enabled photodynamic therapy against skin cancer. J Control Release 2022; 348:849-869. [PMID: 35728715 DOI: 10.1016/j.jconrel.2022.06.027] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/22/2022] [Accepted: 06/15/2022] [Indexed: 12/21/2022]
Abstract
Photodynamic therapy (PDT) to manage non-melanoma skin cancers has garnered great attention over the past few years. Hypericin (Hy) is a potent lipid-soluble photosensitiser with promising anticancer therapeutic activities. Nevertheless, its poor water-solubility, aggregation in biological systems and insufficient skin penetration restricted its effective exploitation. Herein, we report for the first-time encapsulation of Hy into lipid nanocapsules (Hy-LNCs), and then application of an AdminPen™ hollow microneedles (Ho-MNs) array and an in-house fabricated Ho-MN to enable efficient intradermal delivery. The physicochemical properties, photoactivity, ex vivo drug distribution and cellular uptake were evaluated. Results showed that Hy-LNCs were successfully formed with a particle size of 47.76 ± 0.49 nm, PDI of 0.12 ± 0.02, high encapsulation efficiency (99.67% ± 0.35), 396 fold higher photoactivity, 7 fold higher skin drug deposition, significantly greater cellular uptake and higher photocytotoxicity compared to free Hy. The therapeutic effect of Hy-LNCs was finally assessed in vivo using a nude mouse model with transplanted tumours. Interestingly, Hy-LNCs delivered by Ho-MN exhibited remarkable anti-tumour destruction (85.84%) after irradiation with 595 nm. This study showed that Ho-MNs-driven delivery of Hy-LNCs followed by irradiation could form a promising minimally invasive, effective and site-specific approach for managing non-melanoma skin cancers.
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Affiliation(s)
- Heba Abd-El-Azim
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Faculty of Pharmacy, Damanhour University, El Beheira, Egypt; Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Ismaiel A Tekko
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK; Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Aleppo University, Aleppo, Syria
| | - Ahlam Ali
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Alyaa Ramadan
- Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Noha Nafee
- Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | | | - Taifur Rahman
- School of Chemistry and Chemical Engineering, Queen's University Belfast, UK
| | - William Mcdaid
- Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, The University of Manchester, Alderley Park SK10 4TG, UK
| | - Rania G Aly
- Department of Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Lalitkumar K Vora
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Steven J Bell
- School of Chemistry and Chemical Engineering, Queen's University Belfast, UK
| | - Fiona Furlong
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, UK.
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Rapidly dissolving bilayer microneedles enabling minimally invasive and efficient protein delivery to the posterior segment of the eye. Drug Deliv Transl Res 2022:10.1007/s13346-022-01190-x. [PMID: 35713782 DOI: 10.1007/s13346-022-01190-x] [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: 05/24/2022] [Indexed: 11/03/2022]
Abstract
The discovery of proteins that neutralise vascular endothelial growth factors, such as pegaptanib, ranibizumab and aflibercept, can inhibit the process of angiogenesis, thereby restoring eyesight in individuals with retinal vascular disorders. However, due to the posterior location and chronic nature of retinal diseases, a safe and effective intraocular protein delivery system is currently lacking. Thus, dissolving bilayer microneedles (MNs) with the potential to deliver proteins to the back of the eye in an efficient and minimally invasive manner were developed in this study. A model protein, ovalbumin (OVA), was incorporated into MNs fabricated from different polymers, including hyaluronic acid (HA), polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP). Optimised PVA/PVP MNs were demonstrated to be robust enough to pierce porcine sclera with > 75% of the needle length penetrating the sclera and dissolving within 150 s. SDS-PAGE and OVA-specific ELISA revealed that the bioactivity of the model protein was maintained during the manufacture of MNs. In hen's egg-chorioallantoic membrane test, MNs fabricated from all chosen polymers were classified as non-irritants. Furthermore, ex vivo permeation studies showed that optimised MNs could permeate 86.99 ± 7.37% of OVA through the sclera, twice that of the needle-free patch (42.16 ± 3.95%), highlighting the capability of MNs to circumvent physical barriers and promote protein delivery to the posterior segment of the eye. In this work, a novel, efficient and safe intraocular protein delivery system was successfully established.
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