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Tighsazzadeh M, Boateng J. Matrix hyaluronic acid and bilayer poly-hydroxyethyl methacrylate-hyaluronic acid films as potential ocular drug delivery platforms. Int J Biol Macromol 2024; 260:129496. [PMID: 38244742 DOI: 10.1016/j.ijbiomac.2024.129496] [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: 10/13/2023] [Revised: 01/01/2024] [Accepted: 01/12/2024] [Indexed: 01/22/2024]
Abstract
This study aimed to design hydrogel based films comprising hyaluronic acid (HA) to overcome limitations of currently used eye drops. Timolol-loaded crosslinked (X2) HA-based and bilayer (B2) (pHEMA/PVP-HA-based layers) films were designed and characterized. The films were transparent (UV, visual observation) with crosslinked (<80 %) films showing lower light transmittance than bilayer (>80 %) films. X2 showed significantly higher swelling capacity, tensile strength and elastic modulus (5491.6 %, 1539.8 Nmm-2, 1777.2 mPa) than B2 (1905.0 %, 170.0N mm-2, 67.3 mPa) respectively. However, X2 showed lower cumulative drug released and adhesive force (27.3 %, 6.2 N) than B2 (57.5 %, 8.6 N). UV sterilization did not significantly alter physical properties, while SEM and IR microscopy showed smooth surface morphology and homogeneous drug distribution. Timolol permeation (EpiCorneal™/porcine cornea) depended on the film matrix with erodible films showing similar permeation to commercial eyedrops. Drug permeation for porcine cornea (X2 = 549.0.2, B2 = 312.1 μgcm-2 h-1) was significantly faster than EpiCorneal™ (X2 = 55.2, B2 = 37.6 μgcm-2 h-1), but with a linear correlation between them. All the selected optimized films showed acceptable compatibility (MTT assay) with both HeLa cells and EpiCorneal™. In conclusion, crosslinked and bilayer HA based films showed ideal characteristics suitable for potential ocular drug delivery, though further work is required to further optimize these properties and confirm their efficacy including in vivo tests.
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Affiliation(s)
- Mohammad Tighsazzadeh
- School of Science, Faculty of Engineering and Science, University of Greenwich, Medway, Kent ME4 4TB, UK
| | - Joshua Boateng
- School of Science, Faculty of Engineering and Science, University of Greenwich, Medway, Kent ME4 4TB, UK.
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2
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Chachlioutaki K, Iordanopoulou A, Bouropoulos N, Meikopoulos T, Gika H, Ritzoulis C, Andreadis D, Karavasili C, Fatouros DG. Pediatric and Geriatric-Friendly Buccal Foams: Enhancing Omeprazole Delivery for Patients Encountering Swallowing Difficulties. J Pharm Sci 2023; 112:2644-2654. [PMID: 37549845 DOI: 10.1016/j.xphs.2023.07.025] [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: 07/05/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/09/2023]
Abstract
Buccal foams containing omeprazole (OME) have been developed as potential drug delivery systems for individuals encountering swallowing difficulties, particularly pediatric and geriatric patients. The buccal foams were formulated from lyophilized aqueous gels of maltodextrin, used as a sweetener, combined with various polymers (alginate, chitosan, gelatin, tragacanth) to fine tune their structural, mechanical, and physicochemical properties. Consistent with the requirements for efficient drug delivery across buccal epithelium, the foam comprised of hydroxypropyl methylcellulose and alginate (HPMC-Alg-OME), exhibited moderate hardness and high mucoadhesion resulting to prolonged residence and increased transport of the active across porcine epithelium. The HPMC-Alg-OME foam induced a 30-fold increase in the drug's apparent permeability across porcine buccal tissue, compared to the drug suspension. The developed buccal foams exhibited excellent stability, as evidenced by the unchanged omeprazole content even after six months of storage under ambient conditions (20 °C and 45% RH). Results indicate that buccal foams of omeprazole may address the stability and ease of administration issues related to oral administration of the drug, particularly for children and elderly patients who have difficulty swallowing solid dosage forms.
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Affiliation(s)
- Konstantina Chachlioutaki
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece
| | - Anastasia Iordanopoulou
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Nikolaos Bouropoulos
- Department of Materials Science, University of Patras, Patras, Greece; Foundation for Research and Technology Hellas, Institute of Chemical Engineering and High Temperature Chemical Processes, Patras, Greece
| | - Thomas Meikopoulos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Helen Gika
- Laboratory of Forensic Medicine and Toxicology, Medical School, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Christos Ritzoulis
- Department of Food Science and Technology, International Hellenic University, Thessaloniki, Greece
| | - Dimitrios Andreadis
- Department of Oral Medicine/Pathology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Christina Karavasili
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece
| | - Dimitrios G Fatouros
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece.
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Sajjad A, Ali H, Zia M. Fabrication and evaluation of vitamin doped Zno/AgNPs nanocomposite based wheat gluten films: a promising findings for burn wound treatment. Sci Rep 2023; 13:16072. [PMID: 37752271 PMCID: PMC10522583 DOI: 10.1038/s41598-023-43413-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/23/2023] [Indexed: 09/28/2023] Open
Abstract
Burn wound treatment remains a significant issue in wound care management especially when multidrug resistant bacterial infection and accumulation are present. Delayed wound healing is mostly due to ineffectiveness of commercially available wound dressings that protects the wound but less efficient in healing perspective. Therefore, nano-based wound dressing might be efficient solution for wound healing management. The present study reports the fabrication and evaluation of zinc oxide (ZnO) or silver nanoparticles (Ag NPs) capped with vitamin A or E nanocomposite that were incorporated in wheat gluten (WG) films. The chemical structure, phase purity, and morphological features confirmed the successful coating of NPs by vitamins A and E and their interaction with WG during film casting. The maximum swelling response was observed by NPs vitamin composite WG films than control films while slow release of vitamins and NPs from films was observed up to 24 h. WG films either carrying ZnO or Ag NPs, and vitamin A or E demonstrated significant antioxidant and antibacterial potential. The NPs-vitamin composite loaded WG films showed wound contraction within 14 days during in vivo burn wound healing experiments on mice model. The rates of wound healing, re-epithelialization, collagen deposition with fibroblast regeneration, adipocytes, and hair follicle development were observed through visual and histopathological examination. The study reveals that vitamin A or E doped ZnO or Ag NPs fabricated in WG can be efficiently used against burn wounds due to their physiochemical and biological properties. Furthermore the biocompatible nature and biodegradable potential make the films more prone to mankind maneuver for initial protection and healing remedy.
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Affiliation(s)
- Anila Sajjad
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Hussain Ali
- Veterinary Farms Management Sub-Division, National Institute of Health, Islamabad, Pakistan
| | - Muhammad Zia
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
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Nair VV, Cabrera P, Ramírez-Lecaros C, Jara MO, Brayden DJ, Morales JO. Buccal delivery of small molecules and biologics: Of mucoadhesive polymers, films, and nanoparticles - An update. Int J Pharm 2023; 636:122789. [PMID: 36868332 DOI: 10.1016/j.ijpharm.2023.122789] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 02/08/2023] [Accepted: 02/25/2023] [Indexed: 03/05/2023]
Abstract
Buccal delivery of small and large molecules is an attractive route of administration that has been studied extensively over the past few decades. This route bypasses first-pass metabolism and can be used to deliver therapeutics directly to systemic circulation. Moreover, buccal films are efficient dosage forms for drug delivery due to their simplicity, portability, and patient comfort. Films have traditionally been formulated using conventional techniques, including hot-melt extrusion and solvent casting. However, newer methods are now being exploited to improve the delivery of small molecules and biologics. This review discusses recent advances in buccal film manufacturing, using the latest technologies, such as 2D and 3D printing, electrospraying, and electrospinning. This review also focuses on the excipients used in the preparation of these films, with emphasis on mucoadhesive polymers and plasticizers. Along with advances in manufacturing technology, newer analytical tools have also been used for the assessment of permeation of the active agents across the buccal mucosa, the most critical biological barrier and limiting factor of this route. Additionally, preclinical and clinical trial challenges are discussed, and some small molecule products already on the market are explored.
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Affiliation(s)
- Varsha V Nair
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA
| | - Pablo Cabrera
- Advanced Center for Chronic Diseases (ACCDiS), Sergio Livingstone 1007, Independencia, Santiago 8380494, Chile; Departamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
| | | | - Miguel O Jara
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA
| | - David J Brayden
- UCD School of Veterinary Medicine and UCD Conway Institute, Belfield, Dublin D04 V1W8, Ireland
| | - Javier O Morales
- Advanced Center for Chronic Diseases (ACCDiS), Sergio Livingstone 1007, Independencia, Santiago 8380494, Chile; Center of New Drugs for Hypertension (CENDHY), Santiago 8380492, Chile; Drug Delivery Laboratory, Departamento de Ciencias y Tecnología Farmacéuticas, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380492, Chile.
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5
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Development and optimization of ganciclovir-loaded carbopol topical gel by response surface methodology for enhanced skin permeation. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04612-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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6
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3D printed bilayer mucoadhesive buccal film of estradiol: Impact of design on film properties, release kinetics and predicted in vivo performance. Int J Pharm 2022; 628:122324. [DOI: 10.1016/j.ijpharm.2022.122324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/14/2022] [Accepted: 10/15/2022] [Indexed: 11/20/2022]
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7
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Zhang W, Xiao C, Xiao Y, Tian B, Gao D, Fan W, Li G, He S, Zhai G. An overview of in vitro dissolution testing for film dosage forms. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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8
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Zhang Y, Li Q, Hu J, Wang C, Wan D, Li Q, Jiang Q, Du L, Jin Y. Nasal Delivery of Cinnarizine Thermo- and Ion-Sensitive In Situ Hydrogels for Treatment of Microwave-Induced Brain Injury. Gels 2022; 8:gels8020108. [PMID: 35200489 PMCID: PMC8872061 DOI: 10.3390/gels8020108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 11/21/2022] Open
Abstract
(1) Background: When the body is exposed to microwave radiation, the brain is more susceptible to damage than other organs. However, few effective drugs are available for the treatment of microwave-induced brain injury (MIBI) because most drugs are difficult to cross the blood–brain barrier (BBB) to reach the brain. (2) Methods: Nasal cinnarizine inclusion complexes with thermo-and ion-sensitive hydrogels (cinnarizine ISGs) were prepared to treat MIBI and the characteristics of the inclusion complexes and their thermo-and ion-sensitive hydrogels were evaluated. (3) Results: Due to high viscosity, cinnarizine ISGs can achieve long-term retention in the nasal cavity to achieve a sustained release effect. Compared with the model, the intranasal thermo-and ion-sensitive cinnarizine ISGs significantly improved the microwave-induced spatial memory and spontaneous exploration behavior with Morris water maze and open field tests. Cinnarizine ISGs inhibited the expression of calcineurin and calpain 1 in the brain, which may be related to the inhibition of calcium overload by cinnarizine. (4) Conclusion: Intranasal thermo- and ion-sensitive cinnarizine ISGs are a promising brain-targeted pharmaceutical preparation against MIBI.
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Affiliation(s)
- Yuanyuan Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
| | - Qian Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
| | - Jinglu Hu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Chunqing Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
| | - Delian Wan
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
| | - Qi Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
| | - Qingwei Jiang
- Key Laboratory of Natural Medicine of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji 133002, China
- Correspondence: (Q.J.); (L.D.)
| | - Lina Du
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (Y.Z.); (Q.L.); (C.W.); (D.W.); (Q.L.)
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
- School of Pharmacy, Henan University, Kaifeng 475004, China
- Correspondence: (Q.J.); (L.D.)
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (J.H.); (Y.J.)
- School of Pharmacy, Henan University, Kaifeng 475004, China
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Mann G, Gurave PM, Kaul A, Kadiyala KG, Pokhriyal M, Srivastava RK, Kumar A, Datta A. Polymeric and electrospun patches for drug delivery through buccal route: Formulation and biointerface evaluation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Onishi H, Sakata O. Preparation and evaluation of fast-dissolving films of etilefrine hydrochloride for practical buccal dosing. Pharm Dev Technol 2021; 26:610-616. [PMID: 33736577 DOI: 10.1080/10837450.2021.1904260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Etilefrine hydrochloride (ET) is an important drug in the treatment of hypotension, and parenteral injections and oral tablets are the conventional dosage forms. However, parenteral injections may cause abnormally high plasma levels as well as pain and necrosis, and oral tablets undergo first-pass metabolism. Although fast-dissolving buccal tablets were previously reported, the initial absorption rate was a little slow and the plasma levels were varied extensively. Recently, many films have been developed as novel dosage forms. Therefore, in the present study, film dosage forms containing ET were produced using water-soluble polymers and glycerin (GLY) as excipients to obtain a practical buccal dosage form. Films composed of ET, GLY, and sodium alginate (AL) exhibited good physical characteristics and rapid release in vitro (more than 70% at 2 min). The compacted AL film containing 2 mg ET (1 × 1 cm) exhibited rapid absorption (>19 ng/mL at 0.5 h), maintained an effective plasma level (>7 ng/mL) for a long time period (0.5-4 h), and had an adequate plasma concentration-time profile with a smaller standard error (<15.3 ng/mL). These results suggest that the present compacted buccal film is a superior dosage form of ET for practical use.
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Affiliation(s)
- Hiraku Onishi
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
| | - Osamu Sakata
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
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Farias S, Boateng JS. In vitro, ex vivo and in vivo evaluation of taste masked low dose acetylsalicylic acid loaded composite wafers as platforms for buccal administration in geriatric patients with dysphagia. Int J Pharm 2020; 589:119807. [PMID: 32882368 DOI: 10.1016/j.ijpharm.2020.119807] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/07/2020] [Accepted: 08/20/2020] [Indexed: 02/04/2023]
Abstract
This study reports the development and characterization of taste masked, freeze-dried composite wafers for potential oral and buccal delivery of low dose aspirin (acetylsalicylic acid) to prevent thrombosis in elderly patients with dysphagia. The wafers were formulated by combining metolose (MET) with carrageenan (CAR), MET with chitosan (CS) at low molecular weight or CAR with CS using 45% v/v ethanol as solvent for complete solubilization of acetylsalicylic acid. Each wafer contained 75 mg of acetylsalicylic acid and sweetener (sucralose, stevia or aspartame) with a drug: sweetener ratio of 1:1 w/w. The formulations were characterized for physical properties using texture analyzer (hardness and mucoadhesion), scanning electron microscopy (SEM), X-ray diffractometry (XRD), Fourier transform infrared (FTIR) spectroscopy, swelling capacity, and in vitro drug dissolution. Further, permeation studies with three different models (Permeapad™ artificial barrier, EpiOral™ and porcine buccal mucosa) using HPLC, cell viability using MTT assay and in vivo taste masking evaluation using human volunteers were undertaken. The sweeteners increased the hardness and adhesion of the wafers, XRD showed the crystalline nature of the samples which was attributed to acetylsalicylic acid, SEM confirmed a compacted polymer matrix due to recrystallized acetylsalicylic acid and sweeteners dispersed over the surface. Drug dissolution studies showed that acetylsalicylic acid was rapidly released in the first 20 min and then continuously over 1 h. EpiOral™ had a higher cumulative permeation than porcine buccal tissue and Permeapad™ artificial barrier, while MTT assay using Vero cells (ATCC® CCL-81) showed that the acetylsalicylic acid loaded formulations were non-toxic. In vivo taste masking study showed the ability of sucralose and aspartame to mask the bitter taste of acetylsalicylic acid and confirm that acetylsalicylic acid loaded MET:CAR, CAR:CS and MET:CS composite wafers containing sucralose or aspartame have potential for buccal delivery of acetylsalicylic acid in geriatric patients with dysphagia.
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Affiliation(s)
- Smirna Farias
- School of Science, Faculty of Engineering and Science, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK
| | - Joshua S Boateng
- School of Science, Faculty of Engineering and Science, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK.
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12
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Zhang L, Pang L, Zhu S, Ma J, Li R, Liu Y, Zhu L, Zhuang X, Zhi W, Yu X, Du L, Zuo H, Jin Y. Intranasal tetrandrine temperature-sensitive in situ hydrogels for the treatment of microwave-induced brain injury. Int J Pharm 2020; 583:119384. [PMID: 32371003 DOI: 10.1016/j.ijpharm.2020.119384] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/13/2020] [Accepted: 04/27/2020] [Indexed: 12/13/2022]
Abstract
The brain is the most sensitive organ to microwave radiation. However, few effective drugs are available for the treatment of microwave-induced brain injury due to the poor drug permeation into the brain. Here, intranasal tetrandrine (TET) temperature-sensitive in situ hydrogels (ISGs) were prepared with poloxamers 407 and 188. Its characteristics were evaluated, including rheological properties, drug release in vitro, and mucosal irritation. The pharmacodynamics and brain-targeting effects were also studied. The highly viscous ISGs remained in the nasal cavity for a long time with the sustained release of TET and no obvious ciliary toxicity. Intranasal temperature-sensitive TET ISGs markedly improved the spatial memory and spontaneous exploratory behavior induced by microwave with the Morris water maze (MWM) and the open field test (OFT) compared to the model. The ISGs alleviated the microwave-induced brain damage and inhibited the certain mRNA expressions of calcium channels in the brain. Intranasal temperature-sensitive TET ISGs was rapidly absorbed with a shorter Tmax (4.8 h) compared to that of oral TET (8.4 h). The brain targeting index of intranasal temperature-sensitive TET ISGs was as 2.26 times as that of the oral TET. Intranasal temperature-sensitive TET ISGs are a promising brain-targeted medication for the treatment of microwave-induced brain injury.
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Affiliation(s)
- Lihua Zhang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Lulu Pang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Siqing Zhu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; Anhui Medical University, Hefei 230032, China
| | - Jinqiu Ma
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Ruiteng Li
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Yijing Liu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Lin Zhu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Xiaomei Zhuang
- Beijing Institute of Toxicology and Pharmacology, No. 27, Taiping Road, Beijing 100850, China
| | - Weijia Zhi
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Xiang Yu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; Shenyang Pharmaceutical University, No.103, Wenhua Road, Shenyang 110016, China
| | - Lina Du
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; School of Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; Anhui Medical University, Hefei 230032, China.
| | - Hongyan Zuo
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China.
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; Anhui Medical University, Hefei 230032, China; Shenyang Pharmaceutical University, No.103, Wenhua Road, Shenyang 110016, China.
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Arantes VT, Faraco AA, Ferreira FB, Oliveira CA, Martins-Santos E, Cassini-Vieira P, Barcelos LS, Ferreira LA, Goulart GA. Retinoic acid-loaded solid lipid nanoparticles surrounded by chitosan film support diabetic wound healing in in vivo study. Colloids Surf B Biointerfaces 2020; 188:110749. [DOI: 10.1016/j.colsurfb.2019.110749] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/20/2019] [Accepted: 12/19/2019] [Indexed: 02/07/2023]
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Abstract
Pediatric and geriatric patients experience swallowing difficulties for traditional oral dosage forms, such as tablets. Further, microbial contamination, chemical stability, unpleasant taste and swallowing large volumes of fluids have led to low therapeutic efficacy and patient noncompliance. The emergence of oral thin films has resulted in dramatic improvements in compliance and drug therapy outcomes in pediatric and geriatric patients. Oral thin films do not require water for administration, are readily hydrated upon contact with saliva, adhere to the mucosa and disintegrate ideally under 1 min. This article provides an overview of oral thin films, modern trends in their formulation and characterization, available commercial products, information to fill knowledge gaps and future potential and economic prospects of oral thin film technology, with emphasis on their use in the pediatric and geriatric patient groups.
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Development and evaluation of performance characteristics of timolol-loaded composite ocular films as potential delivery platforms for treatment of glaucoma. Int J Pharm 2019; 566:111-125. [DOI: 10.1016/j.ijpharm.2019.05.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/24/2019] [Accepted: 05/22/2019] [Indexed: 02/04/2023]
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16
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Boateng J, Okeke O. Evaluation of Clay-Functionalized Wafers and Films for Nicotine Replacement Therapy via Buccal Mucosa. Pharmaceutics 2019; 11:E104. [PMID: 30832244 PMCID: PMC6471811 DOI: 10.3390/pharmaceutics11030104] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 02/21/2019] [Accepted: 02/23/2019] [Indexed: 12/03/2022] Open
Abstract
The functional physicochemical properties of nicotine (NIC)-loaded composite freeze-dried wafers and solvent-evaporated films comprising hydroxypropylmethylcellulose (HPMC) and sodium alginate (SA), stabilized with magnesium aluminium silicate (MAS), have been reported. The formulations were characterized for swelling capacity, mucoadhesion, in vitro drug dissolution properties in simulated saliva (SS) and PBS at pH 6.8, and ex vivo and in vitro permeation using pig buccal mucosa membrane and EpiOralTM buccal tissue culture, respectively; finally, the cell viability of the EpiOralTM tissues after contact with the NIC-loaded formulations was investigated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and the functional characteristics compared with those of commercially available NIC strips. Swelling and NIC release from the HPMC⁻SA wafers were more prolonged (30 min) compared to the commercially available NIC strips which disintegrated rapidly and released the drug within 5 min. Generally, swelling, mucoadhesion, and drug release was faster in PBS than in SS, and the presence of MAS was essential for maintaining a high dose recovery compared to non-MAS formulations and commercial NIC strips, which showed lower percentage of NIC content, possibly due to evaporation during analysis. Permeation studies showed that the NIC released was able to cross both porcine buccal membrane and the EpiOralTM buccal tissue, with the latter showing higher permeation flux for all the formulations tested. All the NIC-loaded, MAS-stabilized formulations showed high tissue viability, with values above 80%, showing their great potential for use as buccal delivery platforms for NIC replacement therapy to aid smoking cessation.
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Affiliation(s)
- Joshua Boateng
- School of Science, Faculty of Engineering and Science, University of Greenwich at Medway, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK.
| | - Obinna Okeke
- School of Science, Faculty of Engineering and Science, University of Greenwich at Medway, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK.
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Gayathri D, Jayakumari LS. Evaluation of commercial arrowroot starch/CMC film for buccal drug delivery of glipizide. POLIMEROS 2019. [DOI: 10.1590/0104-1428.06619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Farias S, Boateng JS. Development and functional characterization of composite freeze dried wafers for potential delivery of low dose aspirin for elderly people with dysphagia. Int J Pharm 2018; 553:65-83. [PMID: 30312748 DOI: 10.1016/j.ijpharm.2018.10.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 07/22/2018] [Accepted: 10/08/2018] [Indexed: 12/20/2022]
Abstract
The impact of demographic ageing is likely to be of major significance in the coming decades due to low birth rates and higher life expectancy. Older people generally require more prescribed medicines due to the presence of multiple conditions such as dysphagia which can make swallowing medicines challenging. This study involves the development, characterization and optimization of composite wafers for potential oral and buccal delivery of low dose aspirin to prevent thrombosis in elderly patients with dysphagia. Blank (BLK) wafers (no loaded drug) were initially formulated by dissolving combinations of metolose (MET) with carrageenan (CAR) and MET with low molecular weight chitosan (CS) in different weight ratios in water, to identify optimum polymer combinations. However, drug loaded (DL) wafers were prepared using 45% v/v ethanol to help complete solubilization of the aspirin. The formulations were characterized using texture analyzer (hardness, mucoadhesion), scanning electron microscopy (SEM), X-ray diffractometry (XRD), attenuated total reflectance - Fourier transform infrared (ATR-FTIR), differential scanning calorimetry (DSC), thermogravimetric analyzer (TGA), and swelling capacity. Wafers with higher total polymer concentration were more resistant to penetration (MET:CAR 1:1 samples B2, C2) and MET:CS 1:1 (sample E2) and MET:CS 3:1 (sample F2) and also depended on the ratios between the polymers used. From the characterization, samples C2, B2, E2 and F2 showed the most ideal characteristics. XRD showed that BLK wafers were amorphous, whilst the DL wafers were crystalline due to the presence of aspirin. SEM confirmed the presence of pores within the polymer matrix of the BLK wafers, whilst DL wafers showed a more compact polymeric matrix with aspirin dispersed over the surface. The DL wafers showed a good flexibility required for transportation and patient handling and showed higher swelling capacity and adhesion values with phosphate buffer saline (PBS) than with simulated saliva (SS). Drug dissolution studies showed that aspirin was rapidly released in the first 20 min and then continuously over 1 h. FTIR confirmed the interaction of aspirin with the polymers evidenced by peak shifts around 1750 cm-1 and the broad peak between 2500 and 3300 cm-1. Lyophilized CAR: CS 1:3 (sample DL13), MET:CS 1:3 (sample DL8) and MET:CAR 3:1 (sample DL1) wafers seem to be a very promising system for the administration of low dose aspirin for older patients with dysphagia.
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Affiliation(s)
- Smirna Farias
- Department of Pharmaceutical, Chemical and Environmental Sciences, Faculty of Engineering and Science, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK
| | - Joshua S Boateng
- Department of Pharmaceutical, Chemical and Environmental Sciences, Faculty of Engineering and Science, University of Greenwich at Medway, Chatham Maritime, Kent ME4 4TB, UK.
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Castro PM, Sousa F, Magalhães R, Ruiz-Henestrosa VMP, Pilosof AM, Madureira AR, Sarmento B, Pintado ME. Incorporation of beads into oral films for buccal and oral delivery of bioactive molecules. Carbohydr Polym 2018; 194:411-421. [DOI: 10.1016/j.carbpol.2018.04.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 04/06/2018] [Accepted: 04/06/2018] [Indexed: 12/16/2022]
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20
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Dolci LS, Liguori A, Panzavolta S, Miserocchi A, Passerini N, Gherardi M, Colombo V, Bigi A, Albertini B. Non-equilibrium atmospheric pressure plasma as innovative method to crosslink and enhance mucoadhesion of econazole-loaded gelatin films for buccal drug delivery. Colloids Surf B Biointerfaces 2018; 163:73-82. [DOI: 10.1016/j.colsurfb.2017.12.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 12/13/2017] [Accepted: 12/18/2017] [Indexed: 01/15/2023]
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Khan S, Boateng J. Effects of Cyclodextrins (β and γ) and l-Arginine on Stability and Functional Properties of Mucoadhesive Buccal Films Loaded with Omeprazole for Pediatric Patients. Polymers (Basel) 2018; 10:E157. [PMID: 30966193 PMCID: PMC6415044 DOI: 10.3390/polym10020157] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 01/31/2018] [Accepted: 02/02/2018] [Indexed: 12/19/2022] Open
Abstract
Omeprazole (OME) is employed for treating ulcer in children, but is unstable and exhibits first pass metabolism via the oral route. This study aimed to stabilize OME within mucoadhesive metolose (MET) films by combining cyclodextrins (CD) and l-arginine (l-arg) as stabilizing excipients and functionally characterizing for potential delivery via the buccal mucosa of paediatric patients. Polymeric solutions at a concentration of 1% w/w were obtained by dispersing the required weight of metolose in 20% v/v ethanol as solvent at a temperature of 40 °C using polyethylene glycol (PEG 400) (0.5% w/w) as plasticizer. The films were obtained by drying the resulting polymer solutions at in an oven at 40 °C. Textural (tensile and mucoadhesion) properties, physical form (differential scanning calorimetry (DSC), X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy), residual moisture content (thermogravimetric analysis (TGA)) and surface morphology (scanning electron microscopy (SEM)) were investigated. Optimized formulations containing OME, CDs (β or γ) and l-arg (1:1:1) were selected to investigate the stabilization of the drug. The DSC, XRD, and FTIR showed possible molecular dispersion of OME in metolose film matrix. Plasticized MET films containing OME:βCD:l-arg 1:1:1 were optimum in terms of transparency and ease of handling and therefore further functionally characterized (hydration, mucoadhesion, in vitro drug dissolution and long term stability studies). The optimized formulation showed sustained drug release that was modelled by Korsmeyer⁻Peppas equation, while the OME showed stability under ambient temperature conditions for 28 days. The optimized OME loaded MET films stabilized with βCD and l-arg have potential for use as paediatric mucoadhesive buccal delivery system, which avoids degradation in the stomach acid as well as first pass metabolism in the liver.
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Affiliation(s)
- Sajjad Khan
- Department of Pharmaceutical, Chemical and Environmental Sciences, Faculty of Engineering and Science, University of Greenwich at Medway, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK.
| | - Joshua Boateng
- Department of Pharmaceutical, Chemical and Environmental Sciences, Faculty of Engineering and Science, University of Greenwich at Medway, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK.
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New formulation and approach for mucoadhesive buccal film of rizatriptan benzoate. Prog Biomater 2017; 6:175-187. [PMID: 29110144 PMCID: PMC5700911 DOI: 10.1007/s40204-017-0077-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Accepted: 10/29/2017] [Indexed: 12/02/2022] Open
Abstract
Mucoadhesive buccal film is developed as a promising dosage form, which has prominent advantages because of drug delivery through buccal mucosa. New formulation of buccal films containing rizatriptan benzoate (RB) was prepared by solvent casting method using various concentrations of hydroxypropyl methylcellulose (HPMC K4M), polyvinyl alcohol (PVA), polyethylene oxide (PEO), glycerol, stevia, and goat buccal mucosa used as a model membrane. In this work, the effect of polymers and plasticizer concentrations on drug release profile, disintegration and dissolution time, mechanical properties, and mucoadhesive characteristics of films was studied. Scanning electron microscopy analysis revealed uniform distribution of RB in film formulations. Chemical compounds and thermal analysis of the films were studied by Fourier transform infrared spectroscopy and differential scanning calorimetry, respectively. The buccal films produced were uniform in drug content and thickness. All formulations have in vitro release of 98–102% between 40 and 80 min. Also ex vivo mucoadhesion strength was in the range of 0.205 ± 0.035 to 0.790 ± 0.014 N for all formulations. A formulation consisting RB (50 mg), HPMC K4M, PVA, and PEO (63 mg), glycerol (1.5 ml), stevia (5 mg) was selected as our optimum composition. More satisfactory results were obtained in terms of disintegration and dissolution time, mechanical properties, and mucoadhesive characteristics. In addition, it showed about 99.89% RB released in 45 min. The results suggest that RB-loaded mucoadhesive buccal films could be a potential candidate to achieve optimum drug release for effective treatment of migraine.
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Drug Delivery Innovations to Address Global Health Challenges for Pediatric and Geriatric Populations (Through Improvements in Patient Compliance). J Pharm Sci 2017; 106:3188-3198. [DOI: 10.1016/j.xphs.2017.07.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 07/09/2017] [Accepted: 07/13/2017] [Indexed: 11/21/2022]
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Morales JO, Brayden DJ. Buccal delivery of small molecules and biologics: of mucoadhesive polymers, films, and nanoparticles. Curr Opin Pharmacol 2017; 36:22-28. [PMID: 28800417 DOI: 10.1016/j.coph.2017.07.011] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/18/2017] [Accepted: 07/24/2017] [Indexed: 01/28/2023]
Abstract
Buccal delivery of macromolecules (biologics) sets a great challenge for researchers. Although several niche small molecule products have been approved as simple sprays, tablets and oral films, it is not simply a case of adapting existing technologies to biologics. Buccal delivery of insulin has reached clinical trials with two approaches: oromucosal sprays of the peptide with permeation enhancers, and embedded gold nanoparticles in a dissolvable film. However, neither of these approaches have led to FDA approvals likely due to poor efficacy, submaximal peptide loading in the dosage form, and to wide intra-subject variability in pharmacokinetics and pharmacodynamics. It is likely however that printed film designs with lower molecular weight stable biotech payloads including lipophilic glucagon-like 1 (GLP-1) agonists and macrocycles with long half-lives will generate greater efficacy than was achieved to date for insulin.
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Affiliation(s)
- Javier O Morales
- Department of Pharmaceutical Science and Technology, School of Chemical and Pharmaceutical Sciences, University of Chile, Santiago 8380494, Chile; Advanced Center for Chronic Diseases (ACCDiS), Santiago 8380494, Chile; Pharmaceutical Biomaterial Research Group, Department of Health Sciences, Luleå University of Technology, Luleå 97187, Sweden.
| | - David J Brayden
- UCD School of Veterinary Medicine and UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland
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da Silva JB, Khutoryanskiy VV, Bruschi ML, Cook MT. A mucosa-mimetic material for the mucoadhesion testing of thermogelling semi-solids. Int J Pharm 2017. [DOI: 10.1016/j.ijpharm.2017.06.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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26
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Ikeuchi-Takahashi Y, Ishihara C, Onishi H. Evaluation of polyvinyl alcohols as mucoadhesive polymers for mucoadhesive buccal tablets prepared by direct compression. Drug Dev Ind Pharm 2017; 43:1489-1500. [DOI: 10.1080/03639045.2017.1321657] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | | | - Hiraku Onishi
- Department of Drug Delivery Research, Hoshi University, Tokyo, Japan
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Parodi B, Russo E, Baldassari S, Zuccari G, Pastorino S, Yan M, Neduri K, Caviglioli G. Development and characterization of a mucoadhesive sublingual formulation for pain control: extemporaneous oxycodone films in personalized therapy. Drug Dev Ind Pharm 2017; 43:917-924. [PMID: 28076697 DOI: 10.1080/03639045.2017.1281290] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The aim of this work was the development of mucoadhesive sublingual films, prepared using a casting method, for the administration of oxycodone. MATERIALS AND METHODS A solvent casting method was employed to prepare the mucoadhesive films. A calibrated pipette was used to deposit single aliquots of different polymeric solutions on a polystyrene plate lid. Among the various tested polymers, hydroxypropylcellulose at low and medium molecular weight (HPC) and pectin at two different degrees of esterification (PC) were chosen for preparing solutions with good casting properties, capable of producing films suitable for mucosal application. RESULTS AND DISCUSSION The obtained films showed excellent drug content uniformity and stability and rapid drug release, which, at 8 min, ranged from 60% to 80%. All films presented satisfactory mucoadhesive and mechanical properties, also confirmed by a test on healthy volunteers, who did not experience irritation or mucosa damages. Pectin films based on pectin at lower degrees of esterification have been further evaluated to study the influence of two different amounts of drug on the physicochemical properties of the formulation. A slight reduction in elasticity has been observed in films containing a higher drug dose; nevertheless, the formulation maintained satisfactory flexibility and resistance to elongation. CONCLUSIONS HPC and PC sublingual films, obtained by a simple casting method, could be proposed to realize personalized hospital pharmacy preparations on a small scale.
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Affiliation(s)
- Brunella Parodi
- a Department of Pharmacy , University of Genova , Genova , Italy
| | - Eleonora Russo
- a Department of Pharmacy , University of Genova , Genova , Italy
| | - Sara Baldassari
- a Department of Pharmacy , University of Genova , Genova , Italy
| | | | - Sara Pastorino
- a Department of Pharmacy , University of Genova , Genova , Italy
| | - Mengying Yan
- a Department of Pharmacy , University of Genova , Genova , Italy
| | - Karthik Neduri
- a Department of Pharmacy , University of Genova , Genova , Italy
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Khan S, Trivedi V, Mitchell J, Boateng JS. Conversion of sustained release omeprazole loaded buccal films into fast dissolving strips using supercritical carbon dioxide (scCO2) processing, for potential paediatric drug delivery. Eur J Pharm Sci 2016; 93:45-55. [DOI: 10.1016/j.ejps.2016.08.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/15/2016] [Accepted: 08/03/2016] [Indexed: 11/29/2022]
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