1
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Ueda T, Yamaguchi MS, Christian-Tabak L, Takai Y, Tode C. Quantifying the bitter masking effect of drug-cyclodextrin complexation: NMR-ROESY mixing time approach. Carbohydr Res 2024; 537:109067. [PMID: 38442683 DOI: 10.1016/j.carres.2024.109067] [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: 09/28/2023] [Revised: 02/15/2024] [Accepted: 02/18/2024] [Indexed: 03/07/2024]
Abstract
Taste, especially unpleasant taste, can be key for patient compliance. In the formulation development process, drug-cyclodextrin (CD) inclusion complexes are often used to improve the solubility of a drug and/or mask its bitterness. This study aimed to evaluate the bitter masking effect of CDs on different drugs using NMR-ROESY analysis, human sensory tests, and e-tongue measurements. The strength of inclusion complex formation between drugs and CDs was investigated by NMR-ROSEY, and these results were compared to human sensory test results. In the sensory test, participants identified which drug-CD inclusion complexes were not bitter. NMR-ROSEY results aligned with the sensory tests; short magnetization transfer times corresponded to masked bitterness. The electrical tongue was not able to detect the taste of any of the drug-CD inclusion complexes. Additionally, we used NMR-ROSEY to determine which drug-CD inclusion complex formed in a system with multiple drug substances present. This research offers valuable insights into the bitter masking effect of CDs on different drugs and presents a comprehensive evaluation approach using various methods. This knowledge has significant implications for the pharmaceutical industry, clinical practice, and patient care, contributing to improved patient compliance and satisfaction with bitter medications.
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Affiliation(s)
- Tomohiko Ueda
- Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka, 554-0022, Japan.
| | - Mei S Yamaguchi
- Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka, 554-0022, Japan
| | - Leela Christian-Tabak
- Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka, 554-0022, Japan
| | - Yoshiaki Takai
- Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka, 554-0022, Japan
| | - Chisato Tode
- Kobe Pharmaceutical University, 4-19-1 Motoyama-kitamachi, Higashinada-ku, Kobe, Hyogo, 658-8558, Japan.
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2
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Abdelhamid M, Corzo C, Ocampo AB, Maisriemler M, Slama E, Alva C, Lochmann D, Reyer S, Freichel T, Salar-Behzadi S, Spoerk M. Mechanically promoted lipid-based filaments via composition tuning for extrusion-based 3D-printing. Int J Pharm 2023; 643:123279. [PMID: 37524255 DOI: 10.1016/j.ijpharm.2023.123279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/02/2023]
Abstract
Lipid excipients are favorable materials in pharmaceutical formulations owing to their natural, biodegradable, low-toxic and solubility/permeability enhancing properties. The application of these materials with advanced manufacturing platforms, particularly filament-based 3D-printing, is attractive for personalized manufacturing of thermolabile drugs. However, the filament's weak mechanical properties limit their full potential. In this study, highly flexible filaments were extruded using PG6-C16P, a lipid-based excipient belonging to the group of polyglycerol esters of fatty acids (PGFAs), based on tuning the ratio between its major and minor composition fractions. Increasing the percentage of the minor fractions in the system was found to enhance the relevant mechanical filament properties by 50-fold, guaranteeing a flawless 3D-printability. Applying a novel liquid feeding approach further improved the mechanical filament properties at lower percentage of minor fractions, whilst circumventing the issues associated with the standard extrusion approach such as low throughput. Upon drug incorporation, the filaments retained high mechanical properties with a controlled drug release pattern. This work demonstrates PG6-C16 P as an advanced lipid-based material and a competitive printing excipient that can empower filament-based 3D-printing.
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Affiliation(s)
- Moaaz Abdelhamid
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria; Institute for Process and Particle Engineering, Graz University of Technology, Graz, Austria
| | - Carolina Corzo
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | | | | | - Eyke Slama
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | - Carolina Alva
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | | | | | | | - Sharareh Salar-Behzadi
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria; University of Graz, Institute of Pharmaceutical Sciences, Department of Pharmaceutical, Technology and Biopharmacy, Graz, Austria.
| | - Martin Spoerk
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria; Institute for Process and Particle Engineering, Graz University of Technology, Graz, Austria
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3
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Hu S, Liu X, Zhang S, Quan D. An Overview of Taste-Masking Technologies: Approaches, Application, and Assessment Methods. AAPS PharmSciTech 2023; 24:67. [PMID: 36788171 DOI: 10.1208/s12249-023-02520-z] [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: 09/22/2022] [Accepted: 01/24/2023] [Indexed: 02/16/2023] Open
Abstract
It is well-known that plenty of active pharmaceutical ingredients (API) inherently possess an unpleasant taste, which influences the acceptance of patients, especially children. Therefore, manufacturing taste-masked dosage forms has attracted a lot of attention. This review describes in detail the taste-masking technologies based on the difference in the taste transmission mechanism which is currently available. In particular, the review highlights the application of various methods, with a special focus on how to screen the appropriate masking technology according to the properties of API. Subsequently, we overviewed how to assess taste-masking efficacy, guiding researchers to rationally design taste-masking formulations.
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Affiliation(s)
- Shuqin Hu
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China.,China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, People's Republic of China
| | - Xiaoxuan Liu
- China Pharmaceutical University, No. 639 Longmian Avenue, Nanjing, 211198, People's Republic of China
| | - Shuangshuang Zhang
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China
| | - Danyi Quan
- Institute of Advanced Drug Delivery Technology, No.10 Xinghuo Avenue Jiangbei New Area, Nanjing, 210032, People's Republic of China.
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Al-Japairai K, Hamed Almurisi S, Almonem Doolaanea A, Mahmood S, Alheibshy F, Alobaida A, Abdul-Halim N, Chatterjee B. A review on taste masked multiparticulate dosage forms for paediatric. Int J Pharm 2023; 632:122571. [PMID: 36587776 DOI: 10.1016/j.ijpharm.2022.122571] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 12/05/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022]
Abstract
Taste refers to those sensations perceived through taste buds on the tongue and oral cavity. The unpleasant taste of drugs leads to the refusal of taking the medicine in the paediatric population. It is widely known that a pharmaceutical product's general acceptability is the result of numerous contributing components such as swallowability, palatability (taste, flavour, texture, and mouthfeel), appearance, ease of administration, and patient characteristics. Multiparticulate as a dosage form is a platform technology for overcoming paediatrics' incapacity to swallow monolithic dosage forms, masking many medications' inherent nasty taste, and overcoming the obstacles of manufacturing a commercially taste masked dosage form. This review will discuss the considerations that must be taken into account to prepare taste masked multiparticulate dosage forms in the best way for paediatric use.
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Affiliation(s)
- Khater Al-Japairai
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, Gambang 26300, Malaysia.
| | - Samah Hamed Almurisi
- Department of Pharmaceutical Technology, Kulliyyah of Pharmacy, International Islamic University Malaysia, Kuantan 25200, Malaysia.
| | - Abd Almonem Doolaanea
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Kolej Universiti Antarabangsa Maiwp (UCMI), Taman Batu Muda, Batu Caves, 68100 Kuala Lumpur, Malaysia.
| | - Syed Mahmood
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur 50603, Malaysia.
| | - Fawaz Alheibshy
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 2240, Saudi Arabia; Department of Pharmaceutics, College of Pharmacy, Aden University, Aden 6075, Yemen.
| | - Ahmed Alobaida
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 2240, Saudi Arabia.
| | - Nadiya Abdul-Halim
- Department of Pharmaceutical Engineering, Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, Gambang 26300, Malaysia.
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Brewer K, McWhorter TJ, Moseby K, Read JL, Peacock D, Blencowe A. pH-responsive subcutaneous implants prepared via hot-melt extrusion and fluidised-bed spray coating for targeted invasive predator control. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Junqueira LA, Tabriz AG, Rousseau F, Raposo NRB, Brandão MAF, Douroumis D. Development of printable inks for 3D printing of personalized dosage forms: Coupling of fused deposition modelling and jet dispensing. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.104108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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7
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Abdelhamid M, Koutsamanis I, Corzo C, Maisriemler M, Ocampo AB, Slama E, Alva C, Lochmann D, Reyer S, Freichel T, Salar-Behzadi S, Spoerk M. Filament-based 3D-printing of placebo dosage forms using brittle lipid-based excipients. Int J Pharm 2022; 624:122013. [PMID: 35839981 DOI: 10.1016/j.ijpharm.2022.122013] [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: 04/14/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 11/28/2022]
Abstract
In order to expand the limited portfolio of available polymer-based excipients for fabricating three-dimensional (3D) printed pharmaceutical products, Lipid-based excipients (LBEs) have yet to be thoroughly investigated. The technical obstacle of LBEs application is, however their crystalline nature that renders them very brittle and challenging for processing via 3D-printing. In this work, we evaluated the functionality of LBEs for filament-based 3D-printing of oral dosage forms. Polyglycerol partial ester of palmitic acid and polyethylene glycols monostearate were selected as LBEs, based on their chemical structure, possessing polar groups for providing hydrogen-bonding sites. A fundamental understanding of structure-function relationship was built to screen the critical material attributes relevant for both extrusion and 3D-printing processes. The thermal behavior of lipids, including the degree of their supercooling, was the critical attribute for their processing. The extrudability of materials was improved through different feeding approaches, including the common powder feeding and a devised liquid feeding setup. Liquid feeding was found to be more efficient, allowing the production of filaments with high flexibility and improved printability. Filaments with superior performance were produced using polyglycerol ester of palmitic acid. In-house designed modifications of the utilized 3D-printer were essential for a flawless processing of the filaments.
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Affiliation(s)
- Moaaz Abdelhamid
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria; Institute for Process and Particle Engineering, Graz University of Technology, Graz, Austria
| | | | - Carolina Corzo
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | | | | | - Eyke Slama
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | - Carolina Alva
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
| | | | | | | | - Sharareh Salar-Behzadi
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria; University of Graz, Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, Graz, Austria.
| | - Martin Spoerk
- Research Center Pharmaceutical Engineering GmbH, Graz, Austria
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8
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Liew KB, Ming LC, Goh BH, Peh KK. Fast Melt Cocoa Butter Tablet: Effect of Waxes, Starch, and PEG 6000 on Physical Properties of the Preparation. Molecules 2022; 27:3128. [PMID: 35630605 PMCID: PMC9143478 DOI: 10.3390/molecules27103128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 11/30/2022] Open
Abstract
A fast melt tablet (FMT) is well regarded as an alternative delivery system that might help resolve a patient's non-compliance issue. The main objective of this study was to develop a cocoa butter-based FMT. Additives, namely 5-15% of PEG 6000, beeswax, paraffin wax, and corn starch, were incorporated into the cocoa butter-based FMT to study the effects of these additives with the physical characteristic of a cocoa butter FMT. An optimum-based formulation was chosen according to the desired hardness and disintegration time and the taste masking property achieved with the model drug-dapoxetine. The analysis demonstrated that incorporating beeswax (15%) and paraffin wax (15%) could prolong the disintegration time by at least two-fold. On the contrary, the presence of corn starch was found to cause an increase in the hardness and reduction of the disintegration time. The disintegration mechanism might be presumed due to the synergistic effect of starch swelling and cocoa butter melting. The hardness value and in vitro disintegration time of the optimum formulation were recorded at 2.93 ± 0.22 kg and 151.67 ± 6.98 s. In terms of dissolution, 80% of dapoxetine was released within 30 min and the dissolution profile was comparable to the innovator product. The formulation was palatable and stable for at least 1 year. The exposure of the FMT formulation at 30 °C for 12 months was reported to be stable. Along with the sound palatability profile and high drug load capacity, the current formulation possesses the desired characteristics to be scaled up and marketed.
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Affiliation(s)
- Kai Bin Liew
- Faculty of Pharmacy, University of Cyberjaya, Cyberjaya 63000, Malaysia;
| | - Long Chiau Ming
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong BE1410, Brunei
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway 47500, Malaysia;
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kok Khiang Peh
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden 11800, Malaysia
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Direct Powder Extrusion 3D Printing of Praziquantel to Overcome Neglected Disease Formulation Challenges in Paediatric Populations. Pharmaceutics 2021; 13:pharmaceutics13081114. [PMID: 34452075 PMCID: PMC8398999 DOI: 10.3390/pharmaceutics13081114] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 12/30/2022] Open
Abstract
For the last 40 years, praziquantel has been the standard treatment for schistosomiasis, a neglected parasitic disease affecting more than 250 million people worldwide. However, there is no suitable paediatric formulation on the market, leading to off-label use and the splitting of commercial tablets for adults. In this study, we use a recently available technology, direct powder extrusion (DPE) three-dimensional printing (3DP), to prepare paediatric Printlets™ (3D printed tablets) of amorphous solid dispersions of praziquantel with Kollidon® VA 64 and surfactants (Span™ 20 or Kolliphor® SLS). Printlets were successfully printed from both pellets and powders obtained from extrudates by hot melt extrusion (HME). In vitro dissolution studies showed a greater than four-fold increase in praziquantel release, due to the formation of amorphous solid dispersions. In vitro palatability data indicated that the printlets were in the range of praziquantel tolerability, highlighting the taste masking capabilities of this technology without the need for additional taste masking excipients. This work has demonstrated the possibility of 3D printing tablets using pellets or powder forms obtained by HME, avoiding the use of filaments in fused deposition modelling 3DP. Moreover, the main formulation hurdles of praziquantel, such as low drug solubility, inadequate taste, and high and variable dose requirements, can be overcome using this technology.
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Kendall T, Stratford S, Patterson AR, Lunt RA, Cruickshank D, Bonnaud T, Scott CD. An industrial perspective on co-crystals: Screening, identification and development of the less utilised solid form in drug discovery and development. PROGRESS IN MEDICINAL CHEMISTRY 2021; 60:345-442. [PMID: 34147205 DOI: 10.1016/bs.pmch.2021.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Active pharmaceutical ingredients are commonly marketed as a solid form due to ease of transport, storage and administration. In the design of a drug formulation, the selection of the solid form is incredibly important and is traditionally based on what polymorphs, hydrates or salts are available for that compound. Co-crystals, another potential solid form available, are currently not as readily considered as a viable solid form for the development process. Even though co-crystals are gaining an ever-increasing level of interest within the pharmaceutical community, their acceptance and application is still not as standard as other solid forms such as the ubiquitous pharmaceutical salt and stabilised amorphous formulations. Presented in this chapter is information that would allow for a co-crystal screen to be planned and conducted as well as scaled up using solution and mechanochemistry based methods commonly employed in both the literature and industry. Also presented are methods for identifying the formation of a co-crystal using a variety of analytical techniques as well as the importance of confirming the formation of co-crystals from a legal perspective and demonstrating the legal precedent by looking at co-crystalline products already on the market. The benefits of co-crystals have been well established, and presented in this chapter are a selection of examples which best exemplify their potential. The goal of this chapter is to increase the understanding of co-crystals and how they may be successfully exploited in early stage development.
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Affiliation(s)
- Thomas Kendall
- Technobis Crystallization Systems, Alkmaar, The Netherlands.
| | - Sam Stratford
- Johnson Matthey, Pharmorphix, Cambridge, United Kingdom
| | | | - Ruth A Lunt
- Johnson Matthey, Pharmorphix, Cambridge, United Kingdom
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Unexpected Salt/Cocrystal Polymorphism of the Ketoprofen-Lysine System: Discovery of a New Ketoprofen-l-Lysine Salt Polymorph with Different Physicochemical and Pharmacokinetic Properties. Pharmaceuticals (Basel) 2021; 14:ph14060555. [PMID: 34200917 PMCID: PMC8230491 DOI: 10.3390/ph14060555] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/20/2022] Open
Abstract
Ketoprofen–l-lysine salt (KLS) is a widely used nonsteroidal anti-inflammatory drug. Here, we studied deeply the solid-state characteristics of KLS to possibly identify new polymorphic drugs. Conducting a polymorph screening study and combining conventional techniques with solid-state nuclear magnetic resonance, we identified, for the first time, a salt/cocrystal polymorphism of the ketoprofen (KET)–lysine (LYS) system, with the cocrystal, KET–LYS polymorph 1 (P1), being representative of commercial KLS, and the salt, KET–LYS polymorph 2 (P2), being a new polymorphic form of KLS. Interestingly, in vivo pharmacokinetics showed that the salt polymorph has significantly higher absorption and, thus, different pharmacokinetics compared to commercial KLS (cocrystal), laying the basis for the development of faster-release/acting KLS formulations. Moreover, intrinsic dissolution rate (IDR) and electronic tongue analyses showed that the salt has a higher IDR, a more bitter taste, and a different sensorial kinetics compared to the cocrystal, suggesting that different coating/flavoring processes should be envisioned for the new compound. Thus, the new KLS polymorphic form with its different physicochemical and pharmacokinetic characteristics can open the way to the development of a new KET–LYS polymorph drug that can emphasize the properties of commercial KLS for the treatment of acute inflammatory and painful conditions.
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13
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Dhaval M, Sharma S, Dudhat K, Chavda J. Twin-Screw Extruder in Pharmaceutical Industry: History, Working Principle, Applications, and Marketed Products: an In-depth Review. J Pharm Innov 2020. [DOI: 10.1007/s12247-020-09520-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Impact of Hot-Melt-Extrusion on Solid-State Properties of Pharmaceutical Polymers and Classification Using Hierarchical Cluster Analysis. Processes (Basel) 2020. [DOI: 10.3390/pr8101208] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The impact of hot-melt extrusion (HME) on the solid-state properties of four methacrylic (Eudragit® L100-55, Eudragit® EPO, Eudragit® RSPO, Eudragit® RLPO) and four polyvinyl (Kollidon® VA64, Kollicoat® IR, Kollidon® SR, and Soluplus®) polymers was studied. Overall, HME decreased Tg but increased electrostatic charge and surface free energy. Packing density decreased with electrostatic charge, whereas Carr’s and Hausner indices showed a peak curve dependency. Overall, HME reduced work of compaction (Wc), deformability (expressed as Heckel PY and Kawakita 1/b model parameters and as slope S′ of derivative force/displacement curve), and tablet strength (TS) but increased elastic recovery (ER). TS showed a better correlation with S′ than PY and 1/b. Principal component analysis (PCA) organized the data of neat and extruded polymers into three principal components explaining 72.45% of the variance. The first included Wc, S′ and TS with positive loadings expressing compaction, and ER with negative loading opposing compaction; the second included PY, 1/b, and surface free energy expressing interactivity with positive loadings opposing tap density or close packing. Hierarchical cluster analysis (HCA) assembled polymers of similar solid-state properties regardless of HME treatment into a major cluster with rescaled distance Cluster Combine Index (CCI) < 5 and several other weaker clusters. Polymers in the major cluster were: neat and extruded Eudragit® RSPO, Kollicoat® IR, Kollidon® SR, Soluplus®, and extruded Eudragit® L100-55. It is suggested that PCA may be used to distinguish variables having similar or dissimilar activity, whereas HCA can be used to cluster polymers based on solid-state properties and pick exchangeable ones (e.g., for sustain release or dissolution improvement) when the need arises.
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Wang H, Dumpa N, Bandari S, Durig T, Repka MA. Fabrication of Taste-Masked Donut-Shaped Tablets Via Fused Filament Fabrication 3D Printing Paired with Hot-Melt Extrusion Techniques. AAPS PharmSciTech 2020; 21:243. [PMID: 32856144 DOI: 10.1208/s12249-020-01783-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 08/10/2020] [Indexed: 01/20/2023] Open
Abstract
The objective of this work was to develop taste-masked donut-shaped tablet formulations utilizing fused filament fabrication three-dimensional printing paired with hot-melt extrusion techniques. Caffeine citrate was used as the model drug for its bitter taste, and a 3-point bend test was performed to assess the printability of filaments. The stiffness constant was calculated to represent the printability by fitting the breaking distances and stress data into Hooke's law. The formulations without Eudragit E PO (F6) and with Eudragit E PO (F7) filaments exhibited the desired hardness with a "k" value of 48.30 ± 3.52 and 45.47 ± 3.51 g/mm3 (n = 10), respectively, and were successfully printed. The donut-shaped tablets were 3D printed with 10, 50, and 100% infill densities. In vitro dissolution studies were performed in simulated salivary fluid (pH 6.8, artificial saliva) to evaluate the taste-masking efficiency of the printed donuts. In the first minute, the concentrations of caffeine citrate observed in the dissolution media from all the printed donuts were less than the bitter threshold of caffeine citrate (0.25 mg/mL). Formulation F7, which contained Eudragit E PO copolymer, demonstrated better taste-masking efficiency than formulation F6. Furthermore, both formulations F6 and F7 demonstrated immediate drug release profiles in gastric medium (10% infill, > 80% release within 1 h). Taste-masked caffeine citrate formulations were successfully developed with donut shapes, which will enhance appeal in pediatric populations and increase compliance and patient acceptance of the dosage form.
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Estimation of Seasonal Evapotranspiration for Crops in Arid Regions Using Multisource Remote Sensing Images. REMOTE SENSING 2020. [DOI: 10.3390/rs12152398] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
An accurate estimation of evapotranspiration (ET) from crops is crucial in irrigation management, crop yield assessment, and optimal allocation of water resources, particularly in arid regions. This study explores the estimation of seasonal evapotranspiration for crops using multisource remote sensing images. The proposed estimation framework starts with estimating daily evapotranspiration (ETd) values, which are then used to calculate ET estimates during the crop growing season (ETs). We incorporated Landsat images into the surface energy balance algorithm over land (SEBAL) model, and we used the trapezoidal and sinusoidal methods to estimate the seasonal ET. The trapezoidal method used multitemporal ETd images, while the sinusoidal method employs time-series Moderate Resolution Imaging Spectroradiometer (MODIS) images and multitemporal ETd images. Experiments were implemented in the agricultural lands of the Kai-Kong River Basin, Xinjiang, China. The experimental results show that the obtained ETd estimates using the SEBAL model are comparable with those from the Penman–Monteith method. The ETs obtained using the trapezoidal and sinusoidal methods both have a relatively high spatial resolution of 30 m. The sinusoidal method performs better than the trapezoidal method when using low temporal resolution Landsat images. We observed that the omission of Landsat images during the middle stage of crop growth has the greatest impact on the estimation results of ETs using the sinusoidal method. Based on the results of the study, we conclude that the proposed sinusoidal method, with integrated multisource remote sensing images, offers a useful tool in estimating seasonal evapotranspiration for crops in arid regions.
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Thakkar R, Ashour EA, Shukla A, Wang R, Chambliss WG, Bandari S, Murthy N, Repka MA. A Comparison Between Lab-Scale and Hot-Melt-Extruder-Based Anti-inflammatory Ointment Manufacturing. AAPS PharmSciTech 2020; 21:200. [PMID: 32676978 DOI: 10.1208/s12249-020-01738-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 06/22/2020] [Indexed: 01/13/2023] Open
Abstract
Hot-melt extrusion (HME) has been extensively investigated for continuous manufacturing of amorphous solid dispersions, to improve the solubility of poorly water-soluble drug substances, impart abuse deterrence to controlled substances, taste masking for pediatric and geriatric formulations and development of cocrystal system. Much research has been conducted on the continuous manufacturing of solid dosage forms using HME, but its applicability in the manufacturing of semisolids remains an unexplored domain. This study aimed to explore the applicability of HME in the continuous manufacturing of topical semi-solid formulations with two active pharmaceutical ingredients (APIs). Ointments containing a combination of triamcinolone acetonide and lidocaine hydrochloride were screened based on a quality target product profile (QTPP) and established critical quality attributes (CQAs) using design of experiments (DoE). Three selected formulations, manufactured by a lab-scale fusion method and HME, were subjected to further characterization studies including work of adhesion, stiffness, apparent pH, content uniformity, differential scanning calorimetry, accelerated stability, and in vitro drug release testing. Selected formulations met design characteristics and demonstrated the applicability of HME in the continuous manufacturing of semi-solid formulations. Graphical abstract.
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Bala R, badjatya S, Madaan R. Strategies practiced to perk up oral palatability and acceptance of bitter drugs. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Alqahtani F, Belton P, Ward A, Asare-Addo K, Qi S. An investigation into the use of low quantities of functional additives to control drug release from hot melt extruded solid dispersions for poorly soluble drug delivery. Int J Pharm 2020; 579:119172. [DOI: 10.1016/j.ijpharm.2020.119172] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/14/2022]
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Abstract
Meloxicam (MX), a nonsteroidal anti-inflammatory drug, widely used to treat arthritis, has a very bitter taste. Chemical modification of the bitter functionality was achieved by synthesis of a prodrug, meloxicam pivalate (MXP). Taste improvement was evaluated using single bottle-test rat model. It was found that palatability of MXP solution improved significantly as compared to MX.
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Affiliation(s)
- Bandoo C Chatale
- Department of Pharmaceutical Sciences & Technology, Institute of Chemical Technology , Mumbai , India
| | - Mariam S Degani
- Department of Pharmaceutical Sciences & Technology, Institute of Chemical Technology , Mumbai , India
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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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Successful development of oral SEDDS: screening of excipients from the industrial point of view. Adv Drug Deliv Rev 2019; 142:128-140. [PMID: 30414496 DOI: 10.1016/j.addr.2018.10.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/23/2018] [Accepted: 10/31/2018] [Indexed: 11/20/2022]
Abstract
Oral administration is the most accepted and favored route as various side effects such as fear, pain and risk of infections can be avoided resulting in a comparatively high patient compliance. However, from the industrial point of view the development of oral delivery systems is still challenging as various drugs are poorly soluble as well as slightly permeable leading to low bioavailability. As self-emulsifying drug delivery systems are able to incorporate both hydrophobic and hydrophilic drugs, these carrier systems have received more and more attention within the last years. Based on the broad range of currently available excipients, this review provides a kind of guideline for the selection of excipients useful to improve bioavailability of the drug on the one hand. As the regulatory status of potential excipients are highly important to introduce the formulation on the market, the review is focused on the other hand on excipients listed in the IIG database of the FDA by taking their corresponding maximum concentration into account. Furthermore, the issue of oral sensation and taste masking is discussed useful for the development of intraoral SEDDS.
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Developments in Taste-Masking Techniques for Traditional Chinese Medicines. Pharmaceutics 2018; 10:pharmaceutics10030157. [PMID: 30213035 PMCID: PMC6161181 DOI: 10.3390/pharmaceutics10030157] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/28/2018] [Accepted: 09/08/2018] [Indexed: 12/22/2022] Open
Abstract
A variety of pharmacologically active substances, including chemotherapeutic drugs and the substances from traditional Chinese medicine (TCM), always exhibit potent bioactivities after oral administration. However, their unpleasant taste (such as bitterness) and/or odor always decrease patient compliance and thus compromise their curative efficacies in clinical application. Therefore, the developments of taste-masking techniques are of great significance in improving their organoleptic properties. However, though a variety of taste-masking techniques have been successfully used to mask the unpalatable taste of chemotherapeutic drugs, their suitability for TCM substances is relatively limited. This is mainly due to the fact that the bitter ingredients existing in multicomponent TCM systems (i.e., effective fractions, single Chinese herbs, and compound preparations) are always unclear, and thus, there is lack of tailor-made taste-masking techniques to be utilized to conceal their unpleasant taste. The relevant studies are also relatively limited. As a whole, three types of taste-masking techniques are generally applied to TCM, including (i) functional masking via sweeteners, bitter blockers, and taste modifiers; (ii) physical masking via polymer film-coating or lipid barrier systems; and (iii) biochemical masking via intermolecular interaction, β-cyclodextrin inclusion, or ion-exchange resins. This review fully summarizes the results reported in this field with the purpose of providing an informative reference for relevant readers.
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Liu X, Ma X, Kun E, Guo X, Yu Z, Zhang F. Influence of lidocaine forms (salt vs. freebase) on properties of drug–eudragit® L100-55 extrudates prepared by reactive melt extrusion. Int J Pharm 2018; 547:291-302. [DOI: 10.1016/j.ijpharm.2018.06.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/03/2018] [Accepted: 06/04/2018] [Indexed: 01/09/2023]
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Censi R, Gigliobianco MR, Casadidio C, Di Martino P. Hot Melt Extrusion: Highlighting Physicochemical Factors to Be Investigated While Designing and Optimizing a Hot Melt Extrusion Process. Pharmaceutics 2018; 10:E89. [PMID: 29997332 PMCID: PMC6160992 DOI: 10.3390/pharmaceutics10030089] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/22/2018] [Accepted: 07/09/2018] [Indexed: 12/15/2022] Open
Abstract
Hot-melt extrusion (HME) is a well-accepted and extensively studied method for preparing numerous types of drug delivery systems and dosage forms. It offers several advantages: no solvents are required, it is easy to scale up and employ on the industrial level, and, in particular, it offers the possibility of improving drug bioavailability. HME involves the mixing of a drug with one or more excipients, in general polymers and even plasticizers, which can melt, often forming a solid dispersion of the drug in the polymer. The molten mass is extruded and cooled, giving rise to a solid material with designed properties. This process, which can be realized using different kinds of special equipment, may involve modifications in the drug physicochemical properties, such as chemical, thermal and mechanical characteristics thus affecting the drug physicochemical stability and bioavailability. During process optimization, the evaluation of the drug solid state and stability is thus of paramount importance to guarantee stable drug properties for the duration of the drug product shelf life. This manuscript reviews the most important physicochemical factors that should be investigated while designing and optimizing a hot melt extrusion process, and by extension, during the different pre-formulation, formulation and process, and post-formulation phases. It offers a comprehensive evaluation of the chemical and thermal stability of extrudates, the solid physical state of extrudates, possible drug-polymer interactions, the miscibility/solubility of the drug-polymer system, the rheological properties of extrudates, the physicomechanical properties of films produced by hot melt extrusion, and drug particle dissolution from extrudates. It draws upon the last ten years of research, extending inquiry as broadly as possible.
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Affiliation(s)
- Roberta Censi
- School of Pharmacy, University of Camerino, Via S. Agostino, 62032 Camerino, Italy.
| | | | - Cristina Casadidio
- School of Pharmacy, University of Camerino, Via S. Agostino, 62032 Camerino, Italy.
| | - Piera Di Martino
- School of Pharmacy, University of Camerino, Via S. Agostino, 62032 Camerino, Italy.
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Ross SA, Lamprou DA, Douroumis D. Engineering and manufacturing of pharmaceutical co-crystals: a review of solvent-free manufacturing technologies. Chem Commun (Camb) 2018; 52:8772-86. [PMID: 27302311 DOI: 10.1039/c6cc01289b] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Design and synthesis of pharmaceutical cocrystals have received great interest in recent years. Cocrystallization of drug substances offers a tremendous opportunity for the development of new drug products with superior physical and pharmacological properties such as solubility, stability, hydroscopicity, dissolution rates and bioavailability. It is now possible to engineer and develop cocrystals via 'green chemistry' and environmentally friendly approaches such as solid-state synthesis in the absence of organic solvents. In addition, significant efforts have been directed towards computational screening, cocrystal manufacturing in a continuous manner and real-time monitoring for quality purposes by using various analytical tools. Pharmaceutical cocrystals are not fully exploited yet and there is a lot of ground to cover before they can be successfully utilized as medical products.
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Affiliation(s)
- S A Ross
- Faculty of Engineering and Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME4 4TB, UK.
| | - D A Lamprou
- Strathclyde Institute of Pharmacy and Biomedical Science (SIPBS)s, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK. and EPSRC Centre for Innovative Manufacturing in Continuous Manufacturing and Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, 99 George Street, Glasgow, G1 1 RD, UK
| | - D Douroumis
- Faculty of Engineering and Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME4 4TB, UK.
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Affiliation(s)
- Linda A. Felton
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
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Scoutaris N, Ross SA, Douroumis D. 3D Printed "Starmix" Drug Loaded Dosage Forms for Paediatric Applications. Pharm Res 2018; 35:34. [PMID: 29368113 DOI: 10.1007/s11095-017-2284-2] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 10/17/2017] [Indexed: 12/14/2022]
Abstract
PURPOSE Three- dimensional (3D) printing has received significant attention as a manufacturing process for pharmaceutical dosage forms. In this study, we used Fusion Deposition Modelling (FDM) in order to print "candy - like" formulations by imitating Starmix® sweets to prepare paediatric medicines with enhanced palatability. METHODS Hot melt extrusion processing (HME) was coupled with FDM to prepare extruded filaments of indomethacin (IND), hypromellose acetate succinate (HPMCAS) and polyethylene glycol (PEG) formulations and subsequently feed them in the 3D printer. The shapes of the Starmix® objects were printed in the form of a heart, ring, bottle, ring, bear and lion. Differential scanning calorimetry (DSC), X-ray powder diffraction (XRPD), Fourier Transform Infra-red Spectroscopy (FT-IR) and confocal Raman analysis were used to assess the drug - excipient interactions and the content uniformity. RESULTS Physicochemical analysis showed the presence of molecularly dispersed IND in the printed tablets. In vivo taste masking evaluation demonstrated excellent masking of the drug bitterness. The printed forms were evaluated for drug dissolution and showed immediate IND release independently of the printed shape, within 60 min. CONCLUSIONS 3D printing was used successfully to process drug loaded filaments for the development of paediatric printed tablets in the form of Starmix® designs.
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Affiliation(s)
- Nicolaos Scoutaris
- Faculty of Engineering and Science, School of Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent, ME4 4TB, UK
| | - Steven A Ross
- Faculty of Engineering and Science, School of Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent, ME4 4TB, UK
| | - Dennis Douroumis
- Faculty of Engineering and Science, School of Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent, ME4 4TB, UK.
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Podrażka M, Bączyńska E, Kundys M, Jeleń PS, Witkowska Nery E. Electronic Tongue-A Tool for All Tastes? BIOSENSORS-BASEL 2017; 8:bios8010003. [PMID: 29301230 PMCID: PMC5872051 DOI: 10.3390/bios8010003] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/27/2017] [Accepted: 12/30/2017] [Indexed: 11/16/2022]
Abstract
Electronic tongue systems are traditionally used to analyse: food products, water samples and taste masking technologies for pharmaceuticals. In principle, their applications are almost limitless, as they are able to almost completely reduce the impact of interferents and can be applied to distinguish samples of extreme complexity as for example broths from different stages of fermentation. Nevertheless, their applications outside the three principal sample types are, in comparison, rather scarce. In this review, we would like to take a closer look on what are real capabilities of electronic tongue systems, what can be achieved using mixed sensor arrays and by introduction of biosensors or molecularly imprinted polymers in the matrix. We will discuss future directions both in the sense of applications as well as system development in the ever-growing trend of low cost analysis.
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Affiliation(s)
- Marta Podrażka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Ewa Bączyńska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
- Laboratory of Cell Biophysics, The Nencki Institute PAS, Pasteur Street 3, 02-093 Warsaw, Poland.
| | - Magdalena Kundys
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Paulina S Jeleń
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Emilia Witkowska Nery
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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Münster M, Schoch C, Schmidt C, Breitkreutz J. Multiparticulate system combining taste masking and immediate release properties for the aversive compound praziquantel. Eur J Pharm Sci 2017; 109:446-454. [DOI: 10.1016/j.ejps.2017.08.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 08/07/2017] [Accepted: 08/25/2017] [Indexed: 10/18/2022]
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Keating AV, Soto J, Tuleu C, Forbes C, Zhao M, Craig DQM. Solid state characterisation and taste masking efficiency evaluation of polymer based extrudates of isoniazid for paediatric administration. Int J Pharm 2017; 536:536-546. [PMID: 28687346 DOI: 10.1016/j.ijpharm.2017.07.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 06/15/2017] [Accepted: 07/03/2017] [Indexed: 11/30/2022]
Abstract
Hot melt extrusion has gained considerable attention as a novel technique for taste masking of bitter APIs. The aim of this study was to investigate whether hot melt extrusion could be used to develop taste masked formulations of isoniazid and also to evaluate and correlate different taste assessment methods Two polymers with different physico-chemical properties, Soluplus and Eudragit E-PO were chosen as carriers for the drug. Eudragit E-PO has already been widely used for taste masking due to its selective release properties, while Soluplus has not been studied in this regard but provides a useful comparator of a polymer that should release the drug reasonably efficiently. Polymeric formulations of isoniazid were produced with drug loadings of 20% and 30% w/w. The solid state characteristics of the formulations were assessed by differential scanning calorimetry and powder X-ray diffraction. The taste of isoniazid was assessed using the rodent Brief Access Taste Aversion (BATA) model, while formulations were assessed using the electronic tongue and dissolution under simulated oral conditions. Investigation into the drug loading effect with these two polymers showed that all Soluplus based extrudates with drug loading up to 30% w/w were fully amorphous while Eudragit E-PO based extrudates contained crystalline drug as demonstrated by both DSC and PXRD, dependent on loading. BATA testing of isoniazid gave an IC50 value, i.e. the dose of drug which inhibits 50% of licks, of 11.1mg/mL. Taste assessment of the formulations using both simulated oral drug release and the electronic tongue demonstrated that Eudragit E-PO based formulations had a better taste masking efficiency than Soluplus. This is due to the fact that significantly less isoniazid is released from the Eudragit E-PO based formulations under oral conditions.
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Affiliation(s)
- Alison V Keating
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Jessica Soto
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK; Novartis Pharma AG, Basel, Switzerland
| | - Catherine Tuleu
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Claire Forbes
- Pfizer UK Ltd., Ramsgate Road, Sandwich, Kent, CT13 9ND, UK
| | - Min Zhao
- School of Pharmacy, Queen's University Belfast, Lisburn Road, Belfast, BT9 7BL, UK
| | - Duncan Q M Craig
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK.
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Pawar JN, Fule RA, Maniruzzaman M, Amin PD. Solid crystal suspension of Efavirenz using hot melt extrusion: Exploring the role of crystalline polyols in improving solubility and dissolution rate. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:1023-1034. [PMID: 28575936 DOI: 10.1016/j.msec.2017.04.055] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 04/10/2017] [Indexed: 01/23/2023]
Abstract
Poor aqueous solubility of drugs has emerged as a major issue for pharmaceutical scientists from many decades. The current study explores the manufacture and development of a thermodynamically stabilized solid crystal suspension (SCS) of poorly water soluble drug efavirenz via hot melt extrusion. Efavirenz is a non-nucleoside reverse transcriptase inhibitor and belongs to BCS class II. The SCS was prepared using pearlitol and xylitol as a crystalline carrier. The drug-excipient blend was processed by hot melt extrusion with up to 50% (w/w) drug loading. Physico-chemical characterization of the SCS conducted via a scanning electron microscopy, differential scanning calorimetry and hot stage microscopy confirmed that SCS are in crystalline state. Similarly, X-ray powder diffraction analysis revealed highly crystalline existence of pure drug, crystalline carriers and developed SCS. The FTIR chemical imaging analysis of SCS formulations showed a homogeneous drug distribution within respective crystalline carriers while an advanced chemical analysis via atomic force microscopy and Raman analysis complemented the foregoing findings. The developed SCS1 formulation showed up to 81 fold increase in the solubility and 4.1 fold increase in the dissolution rate of the drug compared to that of the bulk substance. Surprisingly, the developed SCS formulation remained stable for a period of more than one year at accelerated conditions inferred from dissolution studies. It can be concluded that the SCS approach can be used as an alternative contemporary technique to enhance the dissolution rates of many other poorly water-soluble drugs by means of thermal HME processing.
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Affiliation(s)
- Jaywant N Pawar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, Maharashtra, India.
| | - Ritesh A Fule
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, Maharashtra, India; Faculty of Pharmaceutics Department, H.K. College of Pharmacy, Relief Road, Oshiwara, Jogeshwari West, Mumbai 400102, Maharashtra, India
| | - Mohammed Maniruzzaman
- Department of Pharmacy (Chemistry), School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QT, United Kingdom.
| | - Purnima D Amin
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai 400019, Maharashtra, India
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Advances in hot-melt extrusion technology toward pharmaceutical objectives. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2017. [DOI: 10.1007/s40005-017-0309-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Alshetaili AS, Almutairy BK, Tiwari RV, Morott JT, Alshehri SM, Feng X, Alsulays BB, Park JB, Zhang F, Repka MA. Preparation and Evaluation of Hot-Melt Extruded Patient-Centric Ketoprofen Mini-Tablets. Curr Drug Deliv 2017; 13:730-41. [PMID: 26456211 DOI: 10.2174/1567201812666151012113806] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 09/30/2015] [Accepted: 10/08/2015] [Indexed: 11/22/2022]
Abstract
BACKGROUND Bitter tasting drugs represent a large portion of active pharmaceutical ingredients. Mini-tablets are specifically designed for patients with difficulty in swallowing particular in young children up to 10 years of age, geriatric patients and patients with esophagitis. OBJECTIVE The present study was aimed to prepare, taste-masked mini-tablets, which are easily swallowed dosage forms, primarily to be used by pediatric and geriatric patients. METHODS Ketoprofen (10%-50% w/w) and Eudragit® EPO were blended and extruded with a 5-mm strand die and cut into consistent mini-tablets by using an adapted downstream pelletizer. RESULTS Differential scanning calorimetry and polarized light microscopy-hot stage microscopy studies confirmed that the binary mixtures were miscible under the employed extrusion temperatures. In-vitro release studies showed that drug release was less than 0.5% within the first 2 min in simulated salivary fluid (pH 6.8) and more than 90% in the first 20 min in gastric media (pH 1.0). The results of the electronic tongue analysis were well correlated with the drug release profile of the mini-tablets in the artificial saliva. Scanning electron microscopy revealed no cracks on the surface of the minitablets, confirming that the mini-tablets were compact solids. Chemical imaging confirmed the uniform distribution of ketoprofen inside the polymer matrices. CONCLUSION Eudragit® EPO containing ketoprofen at various drug loads were successfully melt extruded into tastedmasked mini-tablets. The reduced drug release at salivary pH correlated well with Astree e-Tongue studies for taste masking efficiency.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, Director, Pii Center for Pharmaceutical Technology, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.
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Tiwari RV, Polk AN, Patil H, Ye X, Pimparade MB, Repka MA. Rat Palatability Study for Taste Assessment of Caffeine Citrate Formulation Prepared via Hot-Melt Extrusion Technology. AAPS PharmSciTech 2017; 18:341-348. [PMID: 26573158 DOI: 10.1208/s12249-015-0447-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 11/04/2015] [Indexed: 02/04/2023] Open
Abstract
Developing a pediatric oral formulation with an age-appropriate dosage form and taste masking of naturally bitter active pharmaceutical ingredients (APIs) are key challenges for formulation scientists. Several techniques are used for taste masking of bitter APIs to improve formulation palatability; however, not all the techniques are applicable to pediatric dosage forms because of the limitations on the kind and concentration of the excipients that can be used. Hot-melt extrusion (HME) technology is used successfully for taste masking of bitter APIs and overcomes some of the limitations of the existing taste-masking techniques. Likewise, analytical taste assessment is an important quality control parameter evaluated by several in vivo and in vitro methods, such as the human taste panel, electrophysiological methods, electronic sensor, and animal preference tests to aid in selecting a taste-masked formulation. However, the most appropriate in vivo method to assess the taste-masking efficacy of pediatric formulations remains unknown because it is not known to what extent the human taste panel/electronic tongue can predict the palatability in the pediatric patients. The purpose of this study was to develop taste-masked caffeine citrate extrudates via HME and to demonstrate the wide applicability of a single bottle-test rat model to record and compare the volume consumed of the taste-masked solutions to that of the pure API. Thus, this rat model can be considered as a low-cost alternative taste-assessment method to the most commonly used expensive human taste panel/electronic tongue method for pediatric formulations.
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Khor CM, Ng WK, Kanaujia P, Chan KP, Dong Y. Hot-melt extrusion microencapsulation of quercetin for taste-masking. J Microencapsul 2017; 34:29-37. [DOI: 10.1080/02652048.2017.1280095] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Chia Miang Khor
- Division of Crystallisation & Particle Science, Institute of Chemical and Engineering Sciences, Jurong Island, Singapore
| | - Wai Kiong Ng
- Division of Crystallisation & Particle Science, Institute of Chemical and Engineering Sciences, Jurong Island, Singapore
| | - Parijat Kanaujia
- Division of Crystallisation & Particle Science, Institute of Chemical and Engineering Sciences, Jurong Island, Singapore
| | - Kok Ping Chan
- Division of Crystallisation & Particle Science, Institute of Chemical and Engineering Sciences, Jurong Island, Singapore
| | - Yuancai Dong
- Division of Crystallisation & Particle Science, Institute of Chemical and Engineering Sciences, Jurong Island, Singapore
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Hydrophilic thermoplastic polyurethanes for the manufacturing of highly dosed oral sustained release matrices via hot melt extrusion and injection molding. Int J Pharm 2016; 506:214-21. [DOI: 10.1016/j.ijpharm.2016.04.057] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 04/19/2016] [Accepted: 04/20/2016] [Indexed: 11/15/2022]
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Tiwari RV, Patil H, Repka MA. Contribution of hot-melt extrusion technology to advance drug delivery in the 21st century. Expert Opin Drug Deliv 2015; 13:451-64. [DOI: 10.1517/17425247.2016.1126246] [Citation(s) in RCA: 106] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Teżyk M, Milanowski B, Ernst A, Lulek J. Recent progress in continuous and semi-continuous processing of solid oral dosage forms: a review. Drug Dev Ind Pharm 2015; 42:1195-214. [PMID: 26592545 DOI: 10.3109/03639045.2015.1122607] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
CONTEXT Continuous processing is an innovative production concept well known and successfully used in other industries for many years. The modern pharmaceutical industry is facing the challenge of transition from a traditional manufacturing approach based on batch-wise production to a continuous manufacturing model. OBJECTIVE The aim of this article is to present technological progress in manufacturing based on continuous and semi-continuous processing of the solid oral dosage forms. METHODS Single unit processes possessing an alternative processing pathway to batch-wise technology or, with some modification, an altered approach that may run continuously, and are thus able to seamlessly switch to continuous manufacturing are briefly presented. Furthermore, the concept of semi-continuous processing is discussed. Subsequently, more sophisticated production systems created by coupling single unit processes and comprising all the steps of production, from powder to final dosage form, were reviewed. Finally, attempts of end-to-end production approach, meaning the linking of continuous synthesis of API from intermediates with the production of final dosage form, are described. RESULTS There are a growing number of scientific articles showing an increasing interest in changing the approach to the production of pharmaceuticals in recent years. Numerous scientific publications are a source of information on the progress of knowledge and achievements of continuous processing. These works often deal with issues of how to modify or replace the unit processes in order to enable seamlessly switching them into continuous processing. A growing number of research papers concentrate on integrated continuous manufacturing lines in which the production concept of "from powder to tablet" is realized. Four main domains are under investigation: influence of process parameters on intermediates or final dosage forms properties, implementation of process analytical tools, control-managing system responsible for keeping continuous materials flow through the whole manufacturing process and the development of new computational methods to assess or simulate these new manufacturing techniques. The attempt to connect the primary and secondary production steps proves that development of continuously operating lines is possible. CONCLUSION A mind-set change is needed to be able to face, and fully assess, the advantages and disadvantages of switching from batch to continuous mode production.
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Affiliation(s)
- Michał Teżyk
- a Gedeon Richter Polska Sp. z o.o. , Grodzisk Mazowiecki , Poland ;,b Department of Pharmaceutical Technology , Faculty of Pharmacy, Poznan University of Medical Sciences , Poznan , Poland
| | - Bartłomiej Milanowski
- b Department of Pharmaceutical Technology , Faculty of Pharmacy, Poznan University of Medical Sciences , Poznan , Poland
| | - Andrzej Ernst
- a Gedeon Richter Polska Sp. z o.o. , Grodzisk Mazowiecki , Poland
| | - Janina Lulek
- b Department of Pharmaceutical Technology , Faculty of Pharmacy, Poznan University of Medical Sciences , Poznan , Poland
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Linakis MW, Roberts JK, Lala AC, Spigarelli MG, Medlicott NJ, Reith DM, Ward RM, Sherwin CMT. Challenges Associated with Route of Administration in Neonatal Drug Delivery. Clin Pharmacokinet 2015; 55:185-96. [DOI: 10.1007/s40262-015-0313-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Feng X, Ye X, Park JB, Lu W, Morott J, Beissner B, Lian ZJ, Pinto E, Bi V, Porter S, Durig T, Majumdar S, Repka MA. Evaluation of the recrystallization kinetics of hot-melt extruded polymeric solid dispersions using an improved Avrami equation. Drug Dev Ind Pharm 2015; 41:1479-87. [PMID: 25224341 DOI: 10.3109/03639045.2014.958755] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The recrystallization of an amorphous drug in a solid dispersion system could lead to a loss in the drug solubility and bioavailability. The primary objective of the current research was to use an improved kinetic model to evaluate the recrystallization kinetics of amorphous structures and to further understand the factors influencing the physical stability of amorphous solid dispersions. Amorphous solid dispersions of fenofibrate with different molecular weights of hydroxypropylcellulose, HPC (Klucel™ LF, EF, ELF) were prepared utilizing hot-melt extrusion technology. Differential scanning calorimetry was utilized to quantitatively analyze the extent of recrystallization in the samples stored at different temperatures and relative humidity (RH) conditions. The experimental data were fitted into the improved kinetics model of a modified Avrami equation to calculate the recrystallization rate constants. Klucel LF, the largest molecular weight among the HPCs used, demonstrated the greatest inhibition of fenofibrate recrystallization. Additionally, the recrystallization rate (k) decreased with increasing polymer content, however exponentially increased with higher temperature. Also k increased linearly rather than exponentially over the range of RH studied.
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Affiliation(s)
- Xin Feng
- a Department of Pharmaceutics and Drug Delivery, School of Pharmacy , The University of Mississippi , Mississippi , MS , USA
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Zhang F. Physicochemical properties and mechanisms of drug release from melt-extruded granules consisting of chlorpheniramine maleate and Eudragit FS. Drug Dev Ind Pharm 2015; 42:563-71. [DOI: 10.3109/03639045.2015.1054832] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Feng Zhang
- Division of Pharmaceutics, The University of Texas at Austin, Austin, TX, USA
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Thiry J, Krier F, Evrard B. A review of pharmaceutical extrusion: critical process parameters and scaling-up. Int J Pharm 2014; 479:227-40. [PMID: 25541517 DOI: 10.1016/j.ijpharm.2014.12.036] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 12/15/2014] [Accepted: 12/16/2014] [Indexed: 11/30/2022]
Abstract
Hot melt extrusion has been a widely used process in the pharmaceutical area for three decades. In this field, it is important to optimize the formulation in order to meet specific requirements. However, the process parameters of the extruder should be as much investigated as the formulation since they have a major impact on the final product characteristics. Moreover, a design space should be defined in order to obtain the expected product within the defined limits. This gives some freedom to operate as long as the processing parameters stay within the limits of the design space. Those limits can be investigated by varying randomly the process parameters but it is recommended to use design of experiments. An examination of the literature is reported in this review to summarize the impact of the variation of the process parameters on the final product properties. Indeed, the homogeneity of the mixing, the state of the drug (crystalline or amorphous), the dissolution rate, the residence time, can be influenced by variations in the process parameters. In particular, the impact of the following process parameters: temperature, screw design, screw speed and feeding, on the final product, has been reviewed.
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Affiliation(s)
- J Thiry
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Pharmaceutical Technology and Biopharmacy, CHU, Avenue de l'Hopital 1, B36, B-4000 Liege, Belgium.
| | - F Krier
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Pharmaceutical Technology and Biopharmacy, CHU, Avenue de l'Hopital 1, B36, B-4000 Liege, Belgium
| | - B Evrard
- University of Liege (ULg), Department of Pharmacy, CIRM, Laboratory of Pharmaceutical Technology and Biopharmacy, CHU, Avenue de l'Hopital 1, B36, B-4000 Liege, Belgium
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Morott JT, Pimparade M, Park JB, Worley CP, Majumdar S, Lian Z, Pinto E, Bi Y, Durig T, Repka MA. The effects of screw configuration and polymeric carriers on hot-melt extruded taste-masked formulations incorporated into orally disintegrating tablets. J Pharm Sci 2014; 104:124-34. [PMID: 25410968 DOI: 10.1002/jps.24262] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 10/13/2014] [Accepted: 10/21/2014] [Indexed: 11/09/2022]
Abstract
The primary aim of this research was to produce successfully taste masked formulations of Sildenafil Citrate (SC) using hot-melt extrusion (HME) technology. Multiple screw configurations and polymeric carriers were evaluated for their effects on taste masking efficiency, which was assessed by both E-tongue analysis and in vitro dissolution in simulated salivary fluid (SSF, pH 6.8 artificial saliva). The screw configurations were further assessed for their effects on the morphology of the API using PXRD, FT-IR and mid-infrared chemical imaging. It was determined that the screw configuration had a profound effect on the taste masking efficiency of the formulations as a result of altering the physical state of the API. Selected extruded formulations using ethylcellulose (EC) with a pore former were further formulated into orally disintegrating tablets (ODTs), which were optimized by varying the grade and percentage of the superdisintegrant used. An optimized disintegration time of approximately 8 seconds was achieved. The final ODT formulation exhibited excellent taste masking properties with over 85% drug release in gastric media as well as physical tablet properties. Interestingly, friability, which tends to be a common concern when formulating ODTs, was well within the acceptable limits (<1%) for common tablets.
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Affiliation(s)
- Joseph T Morott
- Department of Pharmaceutics & Drug Delivery, University of Mississippi, University, MS, USA
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Ravina-Eirin E, Gomez-Amoza JL, Martínez-Pacheco R. Drug dispersion degree and drug dissolution rate in Hybrane S1200-based instant-release matricial particles prepared by hot melt extrusion. Drug Dev Ind Pharm 2014; 41:1000-5. [PMID: 24874791 DOI: 10.3109/03639045.2014.922572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The objective of this study is to evaluate the dissolution of a poorly soluble drug (prednisolone) from different sized matricial particles (from <250 to >1500 µm) with two drug contents (10% or 20%) obtained by hot melt extrusion using the hyperbranched polyesteramide Hybrane S1200 (water-soluble and with a Tg of 45 °C) as the carrier. X-ray diffraction, differential scanning calorimetry and SEM studies permit us to conclude that in 10% prednisolone extrudate, the drug is mainly dispersed within the carrier, whereas in those containing 20% an important fraction of the drug remains in a crystalline state and is accumulated on the surface of the extrudates. On particles proceeding from 10% drug extrudate, the drug dissolution rate is very high and slightly dependant on particle size and in all cases, higher than the pure micronized drug. However, on particles proceeding from 20% prednisolone extrudate particle size have a major effect on drug dissolution rate, attributable to higher proportions of crystalline drug accumulated on the surface, hindering polymer dissolution. Thus, the reduction of the particle size after extrudate grinding creates new surfaces from inside, that leads to strong increments on prednisolone dissolution rate, and becomes higher than the pure micronized drug one when the particle size is <250 µm.
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Affiliation(s)
- Elena Ravina-Eirin
- Departamento de Farmacia y Tecnología Farmacéutica, Universidad de Santiago de Compostela , Santiago de Compostela , Spain
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Vaka SRK, Bommana MM, Desai D, Djordjevic J, Phuapradit W, Shah N. Excipients for Amorphous Solid Dispersions. ADVANCES IN DELIVERY SCIENCE AND TECHNOLOGY 2014. [DOI: 10.1007/978-1-4939-1598-9_4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Maniruzzaman M, Bonnefille M, Aranyos A, Snowden MJ, Douroumis D. An in-vivo and in-vitro taste masking evaluation of bitter melt-extruded drugs. J Pharm Pharmacol 2013; 66:323-37. [DOI: 10.1111/jphp.12169] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 09/24/2013] [Indexed: 11/28/2022]
Abstract
Abstract
Objectives
The purpose of this study was to investigate the potential of hot-melt extrusion (HME) for masking the taste of bitter active pharmaceutical ingredients (APIs) when incorporated into different polymer formulations.
Methods
Extrudates were produced by HME using two water soluble cationic model drugs (cetirizine HCl and verapamil HCl) processed with various grades of anionic polymers (Eudragit L100 and Eudragit L100-55 (Acryl EZE)). The process was optimised by using a single screw extruder to produce extruadates with the desirable characteristics.
Key findings
In-vivo results obtained from a panel of six healthy human volunteers demonstrated that the HME extruded formulations improved the taste significantly compared with that of the pure APIs. In addition, an in-vitro evaluation carried out by an Astree e-tongue equipped with seven specific sensors demonstrated significant taste improvement of the extrudates compared with placebo polymers and the pure APIs. Furthermore, the extrudates characterised by SEM, X-ray and differential scanning calorimetry studies showed the existence of molecularly dispersed APIs while in-vitro dissolution showed fast release for all drug substances.
Conclusions
HME can effectively be used to mask the taste of bitter APIs by enhancing drug–polymer interactions.
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Affiliation(s)
| | | | | | - Martin J Snowden
- Faculty of Engineering and Science, University of Greenwich, Chatham, UK
| | - Dennis Douroumis
- Faculty of Engineering and Science, University of Greenwich, Chatham, UK
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