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Salehi S, Boddohi S, Adel Ghiass M, Behmanesh M. Microfluidic preparation and optimization of (Kollicoat ® IR-b-PCL) polymersome for co-delivery of Nisin-Curcumin in breast cancer application. Int J Pharm 2024; 660:124371. [PMID: 38908809 DOI: 10.1016/j.ijpharm.2024.124371] [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: 04/05/2024] [Revised: 06/19/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
This work aimed to develop amphiphilic nanocarriers such as polymersome based diblock copolymer of Kollicoat ® IR -block-poly(ε-caprolactone) (Kollicoat ® IR-b-PCL) for potential co-delivery of Nisin (Ni) and Curcumin (CUR) for treatment of breast cancer. To generate multi-layered nanocarriers of uniform size and morphology, microfluidics was used as a new technology. In order to characterise and optimize polymersome, design of experiments (Design-Expert) software with three levels full factorial design (3-FFD) method was used. Finally, the optimized polymersome was produced with a spherical morphology, small particle size (dH < 200 nm), uniform size distribution (PDI < 0.2), and high drug loading efficiency (Ni 78 % and CUR 93 %). Furthermore, the maximum release of Ni and CUR was found to be roughly 60 % and 80 % in PBS, respectively. Cytotoxicity assays showed a slight cytotoxicity of Ni and CUR -loaded polymersome (N- Ni /CUR) towards normal cells while demonstrating inhibitory activity against cancer cells compared to the free drugs. Also, the apoptosis assays and cellular uptake confirmed the obtained results from cytotoxic analysis. In general, this study demonstrated a microfluidic approach for preparation and optimization of polymersome for co-delivery of two drugs into cancer cells.
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Affiliation(s)
- Sahar Salehi
- Department of Biomedical Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Soheil Boddohi
- Department of Biomedical Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran.
| | - Mohammad Adel Ghiass
- Tissue Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Mehrdad Behmanesh
- Department of Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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Saurav S, Sharma P, Kumar A, Tabassum Z, Girdhar M, Mamidi N, Mohan A. Harnessing Natural Polymers for Nano-Scaffolds in Bone Tissue Engineering: A Comprehensive Overview of Bone Disease Treatment. Curr Issues Mol Biol 2024; 46:585-611. [PMID: 38248340 PMCID: PMC10814241 DOI: 10.3390/cimb46010038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/24/2023] [Accepted: 12/30/2023] [Indexed: 01/23/2024] Open
Abstract
Numerous surgeries are carried out to replace tissues that have been harmed by an illness or an accident. Due to various surgical interventions and the requirement of bone substitutes, the emerging field of bone tissue engineering attempts to repair damaged tissues with the help of scaffolds. These scaffolds act as template for bone regeneration by controlling the development of new cells. For the creation of functional tissues and organs, there are three elements of bone tissue engineering that play very crucial role: cells, signals and scaffolds. For the achievement of these aims, various types of natural polymers, like chitosan, chitin, cellulose, albumin and silk fibroin, have been used for the preparation of scaffolds. Scaffolds produced from natural polymers have many advantages: they are less immunogenic as well as being biodegradable, biocompatible, non-toxic and cost effective. The hierarchal structure of bone, from microscale to nanoscale, is mostly made up of organic and inorganic components like nanohydroxyapatite and collagen components. This review paper summarizes the knowledge and updates the information about the use of natural polymers for the preparation of scaffolds, with their application in recent research trends and development in the area of bone tissue engineering (BTE). The article extensively explores the related research to analyze the advancement of nanotechnology for the treatment of bone-related diseases and bone repair.
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Affiliation(s)
- Sushmita Saurav
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144401, Punjab, India; (S.S.); (P.S.); (Z.T.)
| | - Prashish Sharma
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144401, Punjab, India; (S.S.); (P.S.); (Z.T.)
| | - Anil Kumar
- Gene Regulation Laboratory, National Institute of Immunology, New Delhi 110067, Delhi, India;
| | - Zeba Tabassum
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144401, Punjab, India; (S.S.); (P.S.); (Z.T.)
| | - Madhuri Girdhar
- Division of Research and Development, Lovely Professional University, Phagwara 144401, Punjab, India;
| | - Narsimha Mamidi
- Wisconsin Centre for Nano Biosystems, School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Anand Mohan
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144401, Punjab, India; (S.S.); (P.S.); (Z.T.)
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de Carvalho ACW, Paiva NF, Demonari IK, Duarte MPF, do Couto RO, de Freitas O, Vicentini FTMDC. The Potential of Films as Transmucosal Drug Delivery Systems. Pharmaceutics 2023; 15:2583. [PMID: 38004562 PMCID: PMC10675688 DOI: 10.3390/pharmaceutics15112583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 11/26/2023] Open
Abstract
Pharmaceutical films are polymeric formulations used as a delivery platform for administration of small and macromolecular drugs for local or systemic action. They can be produced by using synthetic, semi-synthetic, or natural polymers through solvent casting, electrospinning, hot-melt extrusion, and 3D printing methods, and depending on the components and the manufacturing methods used, the films allow the modulation of drug release. Moreover, they have advantages that have drawn interest in the development and evaluation of film application on the buccal, nasal, vaginal, and ocular mucosa. This review aims to provide an overview of and critically discuss the use of films as transmucosal drug delivery systems. For this, aspects such as the composition of these formulations, the theories of mucoadhesion, and the methods of production were deeply considered, and an analysis of the main transmucosal pathways for which there are examples of developed films was conducted. All of this allowed us to point out the most relevant characteristics and opportunities that deserve to be taken into account in the use of films as transmucosal drug delivery systems.
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Affiliation(s)
- Ana Clara Wada de Carvalho
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Av. Café, Ribeirão Preto 14048-900, SP, Brazil; (A.C.W.d.C.)
| | - Natália Floriano Paiva
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Av. Café, Ribeirão Preto 14048-900, SP, Brazil; (A.C.W.d.C.)
| | - Isabella Kriunas Demonari
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Av. Café, Ribeirão Preto 14048-900, SP, Brazil; (A.C.W.d.C.)
| | - Maíra Peres Ferreira Duarte
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Av. Café, Ribeirão Preto 14048-900, SP, Brazil; (A.C.W.d.C.)
| | - Renê Oliveira do Couto
- Campus Centro-Oeste Dona Lindu (CCO), Universidade Federal de São João del-Rei (UFSJ), Divinópolis 35501-296, MG, Brazil
| | - Osvaldo de Freitas
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Av. Café, Ribeirão Preto 14048-900, SP, Brazil; (A.C.W.d.C.)
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Safhi AY, Siddique W, Zaman M, Sarfraz RM, Shafeeq Ur Rahman M, Mahmood A, Salawi A, Sabei FY, Alsalhi A, Zoghebi K. Statistically Optimized Polymeric Buccal Films of Eletriptan Hydrobromide and Itopride Hydrochloride: An In Vivo Pharmacokinetic Study. Pharmaceuticals (Basel) 2023; 16:1551. [PMID: 38004417 PMCID: PMC10674159 DOI: 10.3390/ph16111551] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
A migraine is a condition of severe headaches, causing a disturbance in the daily life of the patient. The current studies were designed to develop immediate-release polymeric buccal films of Eletriptan Hydrobromide (EHBR) and Itopride Hydrochloride (ITHC) to improve their bioavailability and, hence, improve compliance with the patients of migraines and its associated symptoms. The prepared films were evaluated for various in vitro parameters, including surface morphology, mechanical strength, disintegration test (DT), total dissolving time (TDT), drug release and drug permeation, etc., and in vivo pharmacokinetic parameters, such as area under curve (AUC), mean residence time (MRT), half-life (t1/2), time to reach maximum concentration (Tmax), and time to reach maximum concentration (Cmax). The outcomes have indicated the successful preparation of the films, as SEM has confirmed the smooth surface and uniform distribution of drugs throughout the polymer matrix. The films were found to be mechanically stable as indicated by folding endurance studies. Furthermore, the optimized formulations showed a DT of 13 ± 1 s and TDT of 42.6 ± 0.75 s, indicating prompt disintegration as well as the dissolution of the films. Albino rabbits were used for in vivo pharmacokinetics, and the outcomes were evident of improved pharmacokinetics. The drug was found to rapidly permeate across the buccal mucosa, leading to increased bioavailability of the drug: Cmax of 130 and 119 ng/mL of ITHC and EHBR, respectively, as compared to 96 (ITHC) and 90 ng/mL (EHBR) of oral solution. The conclusion can be drawn that possible reasons for the enhanced bioavailability could be the increased surface area in the form of buccal films, its rapid disintegration, and faster dissolution, which led toward the rapid absorption of the drug into the blood stream.
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Affiliation(s)
- Awaji Y. Safhi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (A.Y.S.); (F.Y.S.); (A.A.)
| | - Waqar Siddique
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore Campus, Lahore 54000, Pakistan
| | - Muhammad Zaman
- Faculty of Pharmaceutical Sciences, University of Central Punjab, Lahore 54590, Pakistan
| | | | | | - Asif Mahmood
- Department of Pharmacy, University of Chakwal, Chakwal 48800, Pakistan;
| | - Ahmad Salawi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (A.Y.S.); (F.Y.S.); (A.A.)
| | - Fahad Y. Sabei
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (A.Y.S.); (F.Y.S.); (A.A.)
| | - Abdullah Alsalhi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia; (A.Y.S.); (F.Y.S.); (A.A.)
| | - Khalid Zoghebi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia;
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Mady O, Hussien S, Abdelkader DH, El-Dahaby E. Metoclopramide loaded buccal films for potential treatment of migraine symptoms: in vitro and in vivo study. Pharm Dev Technol 2023; 28:650-659. [PMID: 37395006 DOI: 10.1080/10837450.2023.2231076] [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: 04/20/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 07/04/2023]
Abstract
OBJECTIVE Developing mucoadhesive buccal films loaded with metoclopramide for the treatment of migraine-associated vomiting. METHODS Buccal films were prepared using the solvent casting method. Several tests were conducted, including measurement of film weight, thickness, drug content, moisture uptake, swelling index, and DSC analysis. The bioadhesion properties were also assessed. Furthermore, in vitro release profiles and in human bioavailability were studied. RESULTS The developed films were transparent, homogeneous, and easy to remove. Film weight and thickness increased with higher drug content. The drug entrapment exceeded 90%. Film weight increased with moisture uptake, and DSC analysis indicated the absence of drug crystallinity. Bioadhesion properties and swelling index decreased with increasing drug content. In vitro release demonstrated that drug release depended on the drug-polymer ratio. The in vivo study showed significant improvements in Tmax (from 1.21 ± 0.33 to 0.50 ± 0.0) and Cmax (from 45.29 ± 14.66 to 63.27 ± 24.85) compared to conventional tablets. CONCLUSION The prepared mucoadhesive buccal films exhibited the desired characteristics and demonstrated enhanced drug absorption, evidenced by the significantly reduced Tmax and increased Cmax compared to conventional tablets. The results indicate the successful achievement of the study objectives in selecting and designing an effective pharmaceutical dosage form. as cm2.
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Affiliation(s)
- Omar Mady
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sara Hussien
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Dalia H Abdelkader
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Enas El-Dahaby
- Department of Pharmaceutics, Faculty of Pharmacy, Delta University for Science & Technology, Belkas, Egypt
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Wang F, Li Z, Gan XY, Lu XL, Jiao BH, Shen MH. Quality by design driven development and evaluation of thermosensitive hydrogel loaded with IgY and LL37-SLNs to combat experimental periodontitis. Eur J Pharm Sci 2023; 185:106444. [PMID: 37044199 DOI: 10.1016/j.ejps.2023.106444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/24/2023] [Accepted: 04/10/2023] [Indexed: 04/14/2023]
Abstract
Egg yolk immunoglobulin (IgY) and LL37, potent antibacterial substances, can fight against periodontitis. This work aimed to develop a locally injectable hydrogel for potential co-delivery of special IgY and LL37-loaded solid lipid nanoparticles (LL37-SLNs) to synergistically inhibit the proliferation of oral pathogens, thus relieving periodontal inflammation and redness. The formulation of thermosensitive hydrogel loaded with IgY and LL37-SLNs was developed by adopting the Quality by Design approach. Then the formulations were optimized by two-factor three-level full factorial design by Design-Expert software. Finally, the optimized formulation was characterized and estimated in vitro and in vivo. In vitro release and antibacterial activity studies have revealed that the optimized formulation was homogeneous and can be released slowly, with sustainably antibacterial power. And the physical and chemical composition analysis and morphological observations further confirmed the sustained-release capability. On the other hand, in vivo studies proved that the optimized formulation significantly decreased gingival redness, bleeding, and plaque formation, avoided excessive resorption of alveolar bone, and reduced the levels of inflammatory factor in periodontitis rats. In conclusion, the optimized thermosensitive hydrogel loaded with IgY and LL37-SLNs may be a promising local sustained-release preparation for the effective treatment of periodontal diseases.
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Affiliation(s)
- Fang Wang
- Shanghai university of Medicine and Health Sciences Affiliated Zhoupu hospital, Shanghai, 201318, China; Shanghai University of Medicine and Health Sciences, Shanghai, 201318, China; Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Zhen Li
- Department of Stomatology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China
| | - Xin-Yue Gan
- Shanghai University of Medicine and Health Sciences, Shanghai, 201318, China
| | - Xiao-Ling Lu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Bing-Hua Jiao
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Naval Medical University, Shanghai, 200433, China
| | - Min-Hua Shen
- Department of Stomatology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.
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Oliveira RWG, de Oliveira JM, da Paz FB, Muniz EC, de Moura EM, Costa JCS, do Nascimento MO, Carvalho ALM, Pinheiro IM, Mendes AN, Filgueiras LA, de Souza PR, de Moura CVR. Films composed of white angico gum and chitosan containing chlorhexidine as an antimicrobial agent. Int J Biol Macromol 2023; 235:123905. [PMID: 36870650 DOI: 10.1016/j.ijbiomac.2023.123905] [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: 07/29/2022] [Revised: 02/12/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023]
Abstract
Anadenanthera colubrina, popularly known as white angico, is a species extensively cultivated in Brazil, mainly in the cerrado region, including the state of Piauí. This study examines the development of films composed of white angico gum (WAG) and chitosan (CHI) and containing chlorhexidine (CHX), an antimicrobial agent. The solvent casting method was used to prepare films. Different combinations and concentrations of WAG and CHI were used to obtain films with good physicochemical characteristics. Properties such as the in vitro swelling ratio, the disintegration time, folding endurance, and the drug content were determined. The selected formulations were characterised by scanning electron microscopy, Fourier-transform infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and X-ray diffraction, and the CHX release time and antimicrobial activity were evaluated. CHX showed a homogenous distribution in all CHI/WAG film formulations. The optimised films showed good physicochemical properties with 80% CHX release over 26 h, which is considered promising for local treatment of severe lesions in the mouth. Cytotoxicity tests of the films did not show toxicity. The antimicrobial and antifungal effects were very effective against the tested microorganisms.
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Affiliation(s)
| | | | | | - Edvani Curti Muniz
- Department of Chemistry, Federal University of Piauí, 64049-550, Brazil.
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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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Mandati P, Dumpa N, Alzahrani A, Nyavanandi D, Narala S, Wang H, Bandari S, Repka MA, Tiwari S, Langley N. Hot-Melt Extrusion-Based Fused Deposition Modeling 3D Printing of Atorvastatin Calcium Tablets: Impact of Shape and Infill Density on Printability and Performance. AAPS PharmSciTech 2022; 24:13. [PMID: 36477554 DOI: 10.1208/s12249-022-02470-y] [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: 09/08/2022] [Accepted: 11/11/2022] [Indexed: 12/12/2022] Open
Abstract
The main objective of the current research was to investigate the effect of tablet shapes (heart-shaped and round tablets) and infill densities (50% and 100%) on the drug release profiles of 3D printed tablets prepared by hot-melt extrusion paired with fused deposition modeling techniques. Drug-loaded filaments of 1.5 mm and 2.5 mm diameters were extruded using a Process 11 mm hot-melt extruder employing atorvastatin calcium as a model drug and Kollicoat® IR, Kollidon® VA64, Kollidon® 12PF, and Kolliphor® P407 as hydrophilic polymers. Filaments of Kollicoat® IR in combination with Kollidon® VA64/Kollidon® 12PF has resulted in successful printing of immediate release tablets. The mechanical properties of drug-loaded filaments were evaluated using a 3-point bend test and stiffness test. The transformation of a crystalline drug to an amorphous form and the absence of drug-polymer interactions were confirmed by differential scanning calorimetry and Fourier transform infrared spectroscopy, respectively. The effect of infill density on drug release profiles was greater than that of tablet shape. The stability of 3D printed tablets was preserved even after storage under accelerated conditions (40 ± 2°C and 75 ± 5% RH) for 6 months. Thus, the 3D printing process of hot-melt extrusion paired with fused deposition modeling serves as an alternative manufacturing approach for developing patient-focused doses.
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Affiliation(s)
- Preethi Mandati
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Nagireddy Dumpa
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Abdullah Alzahrani
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Dinesh Nyavanandi
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Sagar Narala
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Honghe Wang
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA
| | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, Mississippi, 38677, University, USA. .,Pii Center for Pharmaceutical Technology, The University of Mississippi, Mississippi, 38677, University, USA.
| | - Sandip Tiwari
- BASF Corporation, 500 White Plains Road, New York, Tarrytown, USA
| | - Nigel Langley
- BASF Corporation, 500 White Plains Road, New York, Tarrytown, USA
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Bhattacharyya S, Nanjareddy L. Assessment of nano lipid carrier loaded transdermal patch of rizatriptan benzoate. DRUG METABOLISM AND BIOANALYSIS LETTERS 2022; 15:DMBL-EPUB-124296. [PMID: 35794742 DOI: 10.2174/2949681015666220609095706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 02/09/2022] [Accepted: 03/04/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Migraine is a neurological disorder and is accompanied by different painful episodes. Hence the maintenance of a steady-state concentration of drug can be beneficial for the patients suffering with migraine. The present investigation focuses on the development of nano lipid carriers (NLCs) loaded transdermal patch of rizatriptan benzoate to sustain the effect of the drug for the enhancement of therapeutic effects. METHOD Stearic acid and peanut oil were used to make the NLCs. A central composite design was employed to observe the effect of formulation factors like solid lipid ratio, phase volume ratio, and concentration of surfactants on the formation of nanoparticles. The effects were evaluated for the responses like particle size and entrapment of the drug in the nanocarriers. The optimized formulation was subjected to compatibility, thermal, surface characteristics, and surface morphology studies. The optimized formulation was dispersed in HPMC 15CPS and PVP K30 polymer matrix and the transdermal patch was evaluated for its mechanical properties, drug release study, and skin irritation study. RESULTS The experimental design was suitable to produce nanosized stable lipid carriers of the drug with high drug entrapment. The drug and excipients were found to be compatible. The thermal and surface characteristics study proved the high loading of drug in the nanoparticles. The surface morphology study showed the formation of irregular-shaped NLCs. The transdermal patch had good mechanical properties. The ex vivo study of the formulated patch showed a sustained release of the drug over 24h. No skin irritation was reported from the transdermal patch. CONCLUSION Therefore, it can be concluded that the nanoparticles loaded transdermal patch of rizatriptan benzoate can be promising in controlling the divergent phases of migraine.
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Affiliation(s)
- Sayani Bhattacharyya
- Department of Pharmaceutics, Krupanidhi College of Pharmacy, Bengaluru, Karnataka, India
| | - Lavanya Nanjareddy
- Department of Pharmaceutics, Krupanidhi College of Pharmacy, Bengaluru, Karnataka, India
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3D Printed Buccal Films for Prolonged-Release of Propranolol Hydrochloride: Development, Characterization and Bioavailability Prediction. Pharmaceutics 2021; 13:pharmaceutics13122143. [PMID: 34959423 PMCID: PMC8708498 DOI: 10.3390/pharmaceutics13122143] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/01/2021] [Accepted: 12/06/2021] [Indexed: 12/21/2022] Open
Abstract
Gelatin-polyvinylpyrrolidone (PVP) and gelatin-poly(vinyl alcohol) (PVA) mucoadhesive buccal films loaded with propranolol hydrochloride (PRH) were prepared by semi-solid extrusion 3D printing. The aim of this study was to evaluate the effects of the synthetic polymers PVP and PVA on thermal and mechanical properties and drug release profiles of gelatin-based films. The Fourier-transform infrared spectroscopy showed that hydrogen bonding between gelatin and PVP formed during printing. In the other blend, neither the esterification of PVA nor gelatin occurred. Differential scanning calorimetry revealed the presence of partial helical structures. In line with these results, the mechanical properties and drug release profiles were different for each blend. Formulation with gelatin-PVP and PRH showed higher tensile strength, hardness, and adhesive strength but slower drug release than formulation with gelatin-PVA and PRH. The in silico population simulations indicated increased drug bioavailability and decreased inter-individual variations in the resulting pharmacokinetic profiles compared to immediate-release tablets. Moreover, the simulation results suggested that reduced PRH daily dosing can be achieved with prolonged-release buccal films, which improves patient compliance.
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Kurćubić I, Vajić UJ, Cvijić S, Crevar-Sakač M, Bogavac-Stanojević N, Miloradović Z, Mihajlović-Stanojević N, Ivanov M, Karanović D, Jovović Đ, Djuriš J. Mucoadhesive buccal tablets with propranolol hydrochloride: Formulation development and in vivo performances in experimental essential hypertension. Int J Pharm 2021; 610:121266. [PMID: 34752918 DOI: 10.1016/j.ijpharm.2021.121266] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/30/2021] [Accepted: 11/01/2021] [Indexed: 11/28/2022]
Abstract
The objective of this study was to formulate extended-release mucoadhesive buccal tablets of propranolol hydrochloride in order to provide a prolonged absorption of propranolol hydrochloride from the buccal mucosa and to reduce presystemic metabolism and thus provide a better therapeutic effect. Besides, the aim was to perform comparative in vivo pharmacokinetic and hemodynamic studies of the developed extended-release (ER) propranolol hydrochloride 10 mg mucoadhesive buccal tablets and commercial immediate-release (IR) propranolol hydrochloride 10 mg tablets in spontaneously hypertensive rats. Formulation with 15% polyethylene oxide showed the highest degree of propranolol hydrochloride permeation, satisfactory mucoadhesiveness, and extended-release of propranolol hydrochloride, thus it was selected for further in vivo study. The pharmacokinetic study in rats showed the superiority of ER mucoadhesive buccal tablets over IR tablets in terms of propranolol hydrochloride absorption extent (AUC values: 70.32 ± 19.56 versus 31.69 ± 6.97 µg·h/mL), although lower maximum plasma propranolol hydrochloride concentration (Cmax) was achieved. However, no statistically significant difference was observed in Cmax between these treatments. The hemodynamic study showed that ER mucoadhesive buccal tablets provide a more pronounced decrease primarily in heart rate, but also in systolic and diastolic arterial pressure, as well as a longer heart rate reduction compared to IR tablets.
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Affiliation(s)
- Ivana Kurćubić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Una-Jovana Vajić
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Sandra Cvijić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Milkica Crevar-Sakač
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Nataša Bogavac-Stanojević
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Zoran Miloradović
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Nevena Mihajlović-Stanojević
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Milan Ivanov
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Danijela Karanović
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Đurđica Jovović
- University of Belgrade, Institute for Medical Research, National Institute of Republic of Serbia, Dr Subotića 4, 11000 Belgrade, Serbia
| | - Jelena Djuriš
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
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13
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Jacob S, Nair AB, Boddu SHS, Gorain B, Sreeharsha N, Shah J. An Updated Overview of the Emerging Role of Patch and Film-Based Buccal Delivery Systems. Pharmaceutics 2021; 13:1206. [PMID: 34452167 PMCID: PMC8399227 DOI: 10.3390/pharmaceutics13081206] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/28/2021] [Accepted: 08/03/2021] [Indexed: 12/17/2022] Open
Abstract
Buccal mucosal membrane offers an attractive drug-delivery route to enhance both systemic and local therapy. This review discusses the benefits and drawbacks of buccal drug delivery, anatomical and physiological aspects of oral mucosa, and various in vitro techniques frequently used for examining buccal drug-delivery systems. The role of mucoadhesive polymers, penetration enhancers, and enzyme inhibitors to circumvent the formulation challenges particularly due to salivary renovation cycle, masticatory effect, and limited absorption area are summarized. Biocompatible mucoadhesive films and patches are favored dosage forms for buccal administration because of flexibility, comfort, lightness, acceptability, capacity to withstand mechanical stress, and customized size. Preparation methods, scale-up process and manufacturing of buccal films are briefed. Ongoing and completed clinical trials of buccal film formulations designed for systemic delivery are tabulated. Polymeric or lipid nanocarriers incorporated in buccal film to resolve potential formulation and drug-delivery issues are reviewed. Vaccine-enabled buccal films have the potential ability to produce both antibodies mediated and cell mediated immunity. Advent of novel 3D printing technologies with built-in flexibility would allow multiple drug combinations as well as compartmentalization to separate incompatible drugs. Exploring new functional excipients with potential capacity for permeation enhancement of particularly large-molecular-weight hydrophilic drugs and unstable proteins, oligonucleotides are the need of the hour for rapid advancement in the exciting field of buccal drug delivery.
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Affiliation(s)
- Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (A.B.N.); (N.S.)
| | - Sai H. S. Boddu
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman 346, United Arab Emirates;
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya 47500, Selangor, Malaysia;
- Centre for Drug Delivery and Molecular Pharmacology, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya 47500, Selangor, Malaysia
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (A.B.N.); (N.S.)
- Department of Pharmaceutics, Vidya Siri College of Pharmacy, Off Sarjapura Road, Bangalore 560035, India
| | - Jigar Shah
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India;
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14
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A diffusion cell adapted to nuclear imaging instruments for the measurement of molecular release and pharmacokinetics across membranes. J Control Release 2021; 337:661-675. [PMID: 34271034 DOI: 10.1016/j.jconrel.2021.07.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 06/14/2021] [Accepted: 07/11/2021] [Indexed: 01/21/2023]
Abstract
Diffusion cells are routinely used in pharmacology to measure the permeation of pharmaceutical compounds and contaminants across membranes (biological or synthetic). They can also be used to study drug release from excipients. The device is made of a donor (DC) and an acceptor (AC) compartment, separated by a membrane. Usually, permeation of molecules across membranes is measured by sampling from the AC at different time points. However, this process disturbs the equilibrium of the cell. Furthermore, analytical techniques used in association with diffusion cells sometimes lack either accuracy, sensitivity, or both. This work reports on the development of nuclear imaging - compatible diffusion cells. The cell is made of a polymer transparent to high-energy photons typically detected in positron emission tomography (PET). It was tested in a finite-dose set-up experiment with a pre-clinical PET system. Porous cellulose membranes (3.5, 25 and 300 kDa), a common excipient in pharmacology, as well as for dialysis membranes, were used as test membranes. The radioisotope 89Zr chelated with deferoxamine B (DFO; 0.65 kDa), was used as an imaging probe (7-10 MBq; 0.2-0.3 nMol 89Zr-DFO). In medicine, DFO is also commonly used for iron removal treatments and pharmacological formulations often require the association of this molecule with cellulose. Permeation profiles were obtained by measuring the radioactivity in the DC and AC for up to 2 weeks. The kinetic profiles were used to extract lag time, influx, and diffusion coefficients of DFO across porous cellulose membranes. A sensitivity threshold of 0.005 MBq, or 3.4 fmol of 89Zr-DFO, was revealed. The lag time to permeation (τ) measured in the AC compartment, was found to be 1.33, 0.5, and 0.19 h with 3.5, 25, and 300 kDa membranes, respectively. Diffusion coefficients of 3.65 × 10-6, 8.33 × 10-6, and 4.74 × 10-5 cm2 h-1 where revealed, with maximal pseudo steady-state influx values (Jpss) of 6.55 × 10-6, 1.76 × 10-5, and 1.29 × 10-5 nmol cm-2 h-1. This study confirms the potential of the technology for monitoring molecular diffusion and release processes at low concentrations, high sensitivities, in real time and in a visual manner.
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15
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He M, Zhu L, Yang N, Li H, Yang Q. Recent advances of oral film as platform for drug delivery. Int J Pharm 2021; 604:120759. [PMID: 34098053 DOI: 10.1016/j.ijpharm.2021.120759] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/17/2021] [Accepted: 05/26/2021] [Indexed: 12/17/2022]
Abstract
Orally drug delivery film has received extensive interest duo to a distinct set of its advantageous properties compared to the traditional orally administered dosages, including faster rate of drug absorption, higher bioavailability and better patient compliance for children and elders with swallowing deficiencies. In particular, its potential capacity of delivering proteins and peptides has further attracted great attention. Lately, tremendous advances have been made in designing and developing both novel mucoadhesive films and orodispersible films to fulfill specific accomplishments of drug delivery. This review aims to summarize those newly developed oral films, discussing their formulation strategies, manufacturing methods as well as advantages and limitations thereof. Conclusions and future perspectives are also provided in brief.
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Affiliation(s)
- Mengning He
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Lingmeng Zhu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ni Yang
- School of Mathematics, University of Bristol, Bristol BS8 1QU, UK
| | - Huijie Li
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qingliang Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, China; Ningbo Wesdon Powder Pharma Coatings Co. Ltd., Ningbo 315042, China.
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Development of Mucoadhesive Buccal Film for Rizatriptan: In Vitro and In Vivo Evaluation. Pharmaceutics 2021; 13:pharmaceutics13050728. [PMID: 34063402 PMCID: PMC8157038 DOI: 10.3390/pharmaceutics13050728] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/08/2021] [Accepted: 05/13/2021] [Indexed: 02/07/2023] Open
Abstract
The reduced therapeutic efficacy of rizatriptan in migraine treatment is primarily due to low oral bioavailability and extensive first pass metabolism. The purpose of this investigation was to optimize the thin mucoadhesive buccal film of rizatriptan and assess the practicability of its development as a potential substitute for conventional migraine treatment. Buccal films (FR1-FR10) were fabricated by a conventional solvent casting method utilizing a combination of polymers (Proloc, hydroxypropyl methylcellulose and Eudragit RS 100). Drug-loaded buccal films (F1-F4) were examined for mechanical, mucoadhesive, swelling and release characteristics. In vivo pharmacokinetics parameters of selected buccal film (F1) in rabbits were compared to oral administration. Films F1-F4 displayed optimal physicomechanical properties including mucoadhesive strength, which can prolong the buccal residence time. A biphasic, complete and higher drug release was seen in films F1 and F4, which followed Weibull model kinetics. The optimized film, F1, exhibited significantly higher (p < 0.005) rizatriptan buccal flux (71.94 ± 8.26 µg/cm2/h) with a short lag time. Film features suggested the drug particles were in an amorphous form, compatible with the polymers used and had an appropriate surface morphology suitable for buccal application. Pharmacokinetic data indicated a significantly higher rizatriptan plasma level (p < 0.005) and Cmax (p < 0.0001) upon buccal film application as compared to oral solution. The observed AUC0-12h (994.86 ± 95.79 ng.h/mL) in buccal treatment was two-fold higher (p < 0.0001) than the control, and the relative bioavailability judged was 245%. This investigation demonstrates the prospective of buccal films as a viable and alternative approach for effective rizatriptan delivery.
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17
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Mucoadhesion and Mechanical Assessment of Oral Films. Eur J Pharm Sci 2021; 159:105727. [DOI: 10.1016/j.ejps.2021.105727] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/16/2021] [Accepted: 01/17/2021] [Indexed: 02/07/2023]
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18
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Jovanović M, Tomić N, Cvijić S, Stojanović D, Ibrić S, Uskoković P. Mucoadhesive Gelatin Buccal Films with Propranolol Hydrochloride: Evaluation of Mechanical, Mucoadhesive, and Biopharmaceutical Properties. Pharmaceutics 2021; 13:273. [PMID: 33670448 PMCID: PMC7922149 DOI: 10.3390/pharmaceutics13020273] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/29/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023] Open
Abstract
This study processes and characterizes propranolol hydrochloride/gelatin mucoadhesive buccal films. Two types of gelatin are used: Gelatin from porcine skin, type A (GA), and gelatin from bovine skin (GB). The influence of gelatin type on mechanical, mucoadhesive, and biopharmaceutical characteristics of buccal films is evaluated. Fourier-Transfer infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) analysis show that GA with propranolol hydrochloride (PRH) in the film (GAP) formed a physical mixture, whereas GB with PRH (GBP) form a compound-complex. Results of mechanical testing (tensile test, hardness) revealed that GAP films exhibit higher elastic modulus, tensile strength, and hardness. A mucoahesion test shows that GBP has higher adhesion strength, while GAP shows higher work of adhesion. Both in vitro release study and in silico simulation indicated that processed films can provide effective drug transport through the buccal mucosa. In silico simulation shows improved bioavailability from buccal films, in comparison to the immediate-release tablets-indicating that the therapeutic drug dose can be markedly reduced.
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Affiliation(s)
- Marija Jovanović
- Department of Materials Science and Engineering, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia; (D.S.); (P.U.)
| | - Nataša Tomić
- Innovation Center of Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia;
| | - Sandra Cvijić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia; (S.C.); (S.I.)
| | - Dušica Stojanović
- Department of Materials Science and Engineering, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia; (D.S.); (P.U.)
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia; (S.C.); (S.I.)
| | - Petar Uskoković
- Department of Materials Science and Engineering, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia; (D.S.); (P.U.)
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19
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Wang S, Zuo A, Guo J. Types and evaluation of in vitro penetration models for buccal mucosal delivery. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102122] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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20
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Abruzzo A, Crispini A, Prata C, Adduci R, Nicoletta FP, Dalena F, Cerchiara T, Luppi B, Bigucci F. Freeze-Dried Matrices for Buccal Administration of Propranolol in Children: Physico-Chemical and Functional Characterization. J Pharm Sci 2020; 110:1676-1686. [PMID: 33164786 DOI: 10.1016/j.xphs.2020.10.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/06/2020] [Accepted: 10/19/2020] [Indexed: 10/23/2022]
Abstract
Buccal matrices represent a widely accepted dosage form permitting a convenient, easy, reliable drug administration and reducing administration errors. The aim of this study was the development of mucoadhesive buccal matrices for propranolol administration in children. Matrices were obtained by freeze-drying of drug loaded polymeric solutions based on gum tragacanth (GT), pectin (PEC), hydroxypropylmethylcellulose (HPMC), sodium hyaluronate (HA), gelatin (GEL), chitosan (CH) or a mixture of CH and HPMC (CH/HPMC). Matrices were characterized for drug solid state, morphology, water-uptake, mucoadhesion ability, in vitro drug release and permeation through porcine epithelium. The most promising formulations were tested for in vitro biocompatibility in human dental pulp fibroblasts. The preparative method and the polymeric composition influenced the drug solid state, as a complete amorphization as well as different polymorphic forms were observed. GEL and PEC guaranteed a fast and complete drug release due to their rapid dissolution, while for the other matrices the release was influenced by drug diffusion through the viscous gelled matrix. Moreover, matrices based on CH and CH/HPMC showed the best mucoadhesive properties, favoured the drug permeation, in virtue of CH ability to interfere with the lipid organization of biological membrane, and were characterized by a good biocompatibility profile.
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Affiliation(s)
- Angela Abruzzo
- Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy.
| | - Alessandra Crispini
- Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci Edificio Polifunzionale, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, University of Bologna, Via Irnerio 48, 40126 Bologna, Italy
| | - Rosanna Adduci
- Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci Edificio Polifunzionale, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Fiore Pasquale Nicoletta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Via P. Bucci Edificio Polifunzionale, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Francesco Dalena
- Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci Edificio Polifunzionale, 87036 Arcavacata di Rende, Cosenza, Italy
| | - Teresa Cerchiara
- Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy
| | - Barbara Luppi
- Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy
| | - Federica Bigucci
- Department of Pharmacy and Biotechnology, University of Bologna, Via San Donato 19/2, 40127 Bologna, Italy
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21
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Optimal Design, Characterization and Preliminary Safety Evaluation of an Edible Orodispersible Formulation for Pediatric Tuberculosis Pharmacotherapy. Int J Mol Sci 2020; 21:ijms21165714. [PMID: 32784947 PMCID: PMC7460872 DOI: 10.3390/ijms21165714] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/16/2022] Open
Abstract
The severity of tuberculosis (TB) in children is considered a global crisis compounded by the scarcity of pharmaceutical formulations suitable for pediatric use. The purpose of this study was to optimally develop and evaluate a pyrazinamide containing edible orodispersible film formulation potentially suitable for use in pediatrics actively infected with TB. The formulation was prepared employing aqueous-particulate blending and solvent casting methods facilitated by a high performance Box Behnken experimental design template. The optimized orodispersible formulation was mechanically robust, flexible, easy to handle, exhibited rapid disintegration with initial matrix collapse occurring under 60 s (0.58 ± 0.05 min ≡ 34.98 ± 3.00 s) and pyrazinamide release was controlled by anomalous diffusion coupled with matrix disintegration and erosion mechanisms. It was microporous in nature, light weight (57.5 ± 0.5 mg) with an average diameter of 10.5 mm and uniformly distributed pyrazinamide load of 101.13 ± 2.03 %w/w. The formulation was physicochemically stable with no evidence of destructive drug–excipient interactions founded on outcomes of characterization and environmental stability investigations. Preliminary inquiries revealed that the orodispersible formulation was cytobiocompatible, palatable and remained intact under specific storage conditions. Summarily, an edible pyrazinamide containing orodispersible film formulation was optimally designed to potentially improve TB pharmacotherapy in children, particularly the under 5 year olds.
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22
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Kurcubic I, Cvijic S, Filipcev B, Ignjatovic J, Ibric S, Djuris J. Development of propranolol hydrochloride bilayer mucoadhesive buccal tablets supported by in silico physiologically-based modeling. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104587] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Abstract
Dermal and transdermal drug therapy is increasing in importance nowadays in drug development. To completely utilize the potential of this administration route, it is necessary to optimize the drug release and skin penetration measurements. This review covers the most well-known and up-to-date methods for evaluating the cutaneous penetration of drugs in vitro as a supporting tool for pharmaceutical research scientists in the early stage of drug development. The aim of this article is to present various experimental models used in dermal/transdermal research and summarize the novel knowledge about the main in vitro methods available to study skin penetration. These techniques are: Diffusion cell, skin-PAMPA, tape stripping, two-photon microscopy, confocal laser scanning microscopy, and confocal Raman microscopic method.
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