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Qian H, Chen D, Xu X, Li R, Yan G, Fan T. FDM 3D-Printed Sustained-Release Gastric-Floating Verapamil Hydrochloride Formulations with Cylinder, Capsule and Hemisphere Shapes, and Low Infill Percentage. Pharmaceutics 2022; 14:pharmaceutics14020281. [PMID: 35214013 PMCID: PMC8878517 DOI: 10.3390/pharmaceutics14020281] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of this work was to design and fabricate fused deposition modeling (FDM) 3D-printed sustained-release gastric-floating formulations with different shapes (cylinder, capsule and hemisphere) and infill percentages (0% and 15%), and to investigate the influence of shape and infill percentage on the properties of the printed formulations. Drug-loaded filaments containing HPMC, Soluplus® and verapamil hydrochloride were prepared via hot-melt extrusion (HME) and then used to print the following gastric-floating formulations: cylinder-15, capsule-0, capsule-15, hemisphere-0 and hemisphere-15. The morphology of the filaments and the printed formulations were observed by scanning electron microscopy (SEM). The physical state of the drugs in the filaments and the printed formulations were characterized by X-ray diffraction (XRD), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The printed formulations were evaluated in vitro, including the weight variation, hardness, floating time, drug content and drug release. The results showed that the drug-loaded filament prepared was successful in printing the gastric floating formulations. Verapamil hydrochloride was proved thermally stable during HME and FDM, and in an amorphous state in the filament and the printed formulations. The shape and infill percentage of the printed formulations effected the hardness, floating time and in vitro drug release.
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Affiliation(s)
- Haonan Qian
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; (H.Q.); (D.C.); (R.L.)
- School Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Di Chen
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; (H.Q.); (D.C.); (R.L.)
- School Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiangyu Xu
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China; (X.X.); (G.Y.)
| | - Rui Li
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; (H.Q.); (D.C.); (R.L.)
- School Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Guangrong Yan
- School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China; (X.X.); (G.Y.)
| | - Tianyuan Fan
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; (H.Q.); (D.C.); (R.L.)
- School Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
- Correspondence: ; Tel.: +86-10-8280-5123
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Zuccari G, Alfei S, Marimpietri D, Iurilli V, Barabino P, Marchitto L. Mini-Tablets: A Valid Strategy to Combine Efficacy and Safety in Pediatrics. Pharmaceuticals (Basel) 2022; 15:ph15010108. [PMID: 35056165 PMCID: PMC8779937 DOI: 10.3390/ph15010108] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/08/2022] [Accepted: 01/14/2022] [Indexed: 11/16/2022] Open
Abstract
In the treatment of pediatric diseases, mass-produced dosage forms are often not suitable for children. Commercially available medicines are commonly manipulated and mixed with food by caregivers at home, or extemporaneous medications are routinely compounded in the hospital pharmacies to treat hospitalized children. Despite considerable efforts by regulatory agencies, the pediatric population is still exposed to questionable and potentially harmful practices. When designing medicines for children, the ability to fine-tune the dosage while ensuring the safety of the ingredients is of paramount importance. For these purposes solid formulations may represent a valid alternative to liquid formulations for their simpler formula and more stability, and, to overcome the problem of swelling ability, mini-tablets could be a practicable option. This review deals with the different approaches that may be applied to develop mini-tablets intended for pediatrics with a focus on the safety of excipients. Alongside the conventional method of compression, 3D printing appeared particularly appealing, as it allows to reduce the number of ingredients and to avoid both the mixing of powders and intermediate steps such as granulation. Therefore, this technique could be well adaptable to the daily galenic preparations of a hospital pharmacy, thus leading to a reduction of the common practice of off-label preparations.
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Affiliation(s)
- Guendalina Zuccari
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy;
- Correspondence: ; Tel.: +39-0103-532-627
| | - Silvana Alfei
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy;
| | - Danilo Marimpietri
- Stem Cell Laboratory and Cell Therapy Center, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy;
| | - Valentina Iurilli
- Pharmacy, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (V.I.); (P.B.)
| | - Paola Barabino
- Pharmacy, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genoa, Italy; (V.I.); (P.B.)
| | - Leonardo Marchitto
- Department of Sciences for the Quality of Life, University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy;
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Gabriela Crisan A, Iurian S, Porfire A, Maria Rus L, Bogdan C, Casian T, Ciceo Lucacel R, Turza A, Porav S, Tomuta I. QbD guided development of immediate release FDM-3D printed tablets with customizable API doses. Int J Pharm 2021; 613:121411. [PMID: 34954001 DOI: 10.1016/j.ijpharm.2021.121411] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 12/31/2022]
Abstract
The objective of this work was to develop a fused deposition modeling (FDM) 3D printed immediate release (IR) tablet with flexibility in adjusting the dose of the active pharmaceutical ingredient (API) by scaling the size of the dosage form and appropriate drug release profile steadiness to the variation of dimensions or thickness of the deposited layers throughout the printing process. Polyvinyl alcohol-based filaments with elevated API content (50% w/w) were prepared by hot melt extrusion (HME), through systematic screening of polymeric formulations with different drug loadings, and their printability was evaluated by means of mechanical characterization. For the tablet fabrication step by 3D printing (3DP), the Quality by Design (QbD) approach was implemented by employing risk management strategies and Design of Experiments (DoE). The effects of the tablet design, tablet size and the layer height settings on the drug release and the API content were investigated. Between the two proposed original tablet architectures, the honeycomb configuration was found to be a suitable candidate for the preparation of IR dosage forms with readily customizable API doses. Also, a predictive model was obtained, which assists the optimization of variables involved in the printing phase and thereby facilitates the tailoring process.
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Affiliation(s)
- Andrea Gabriela Crisan
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania.
| | - Sonia Iurian
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania.
| | - Alina Porfire
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania.
| | - Lucia Maria Rus
- Department of Drug Analysis, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 6 Louis Pasteur Street, 400349 Cluj-Napoca, Romania
| | - Catalina Bogdan
- Department of Dermopharmacy and Cosmetics, "Iuliu Hațieganu" University of Medicine and Pharmacy, 12 I. Creangă Street, 400010 Cluj-Napoca, Romania.
| | - Tibor Casian
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania.
| | - Raluca Ciceo Lucacel
- Faculty of Physics, Babeș-Bolyai University, Cluj-Napoca, Romania; Interdisciplinary Research Institute on Bio-Nano-Science, Babeș-Bolyai University, Cluj-Napoca, Romania.
| | - Alexandru Turza
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania.
| | - Sebastian Porav
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath Street, 400293 Cluj-Napoca, Romania.
| | - Ioan Tomuta
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 41 Victor Babeș Street, 400012 Cluj-Napoca, Romania.
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Đuranović M, Madžarević M, Ivković B, Ibrić S, Cvijić S. The evaluation of the effect of different superdisintegrants on the drug release from FDM 3D printed tablets through different applied strategies: In vitro-in silico assessment. Int J Pharm 2021; 610:121194. [PMID: 34728321 DOI: 10.1016/j.ijpharm.2021.121194] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 01/09/2023]
Abstract
Paracetamol-loaded tablets were printed by fused deposition modelling technique, using polyvinyl alcohol as a backbone polymer and Affinisol™ HPMC as a plasticizer in all formulations. Four different strategies were applied in order to accelerate the drug release from the tablets. First, different release enhancers were added: sodium starch glycolate, croscarmellose sodium, Kollidon CL and mannitol. Kollidon CL and mannitol showed the greatest influence on the drug dissolution rate. The second strategy included lowering the infill density, which did not make any significant changes in dissolution profiles, according to the calculated similarity factor. Then the best two release enhancers from the first strategy were combined (Kollidon CL and mannitol) and this proved to be the most effective in the drug release acceleration. The fourth strategy, increasing the percentage of the release enhancers in formulation, revealed the importance of their concentration limits. In summary, the drug release accelerated from 58% released after 5 h to reaching the plateau within 2 h. In silico physiologically-based biopharmaceutics modelling showed that formulations with mannitol and Kollidon CL, especially the formulation containing a combination of these release enhancers, can provide relatively fast drug release and extent of drug absorption that complies with an immediate release tablet.
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Affiliation(s)
- Marija Đuranović
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Serbia
| | - Marijana Madžarević
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Serbia
| | - Branka Ivković
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Serbia
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Serbia.
| | - Sandra Cvijić
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Serbia
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Suárez-González J, Magariños-Triviño M, Díaz-Torres E, Cáceres-Pérez AR, Santoveña-Estévez A, Fariña JB. Individualized orodispersible pediatric dosage forms obtained by molding and semi-solid extrusion by 3D printing: A comparative study for hydrochlorothiazide. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102884] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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56
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Quodbach J, Bogdahn M, Breitkreutz J, Chamberlain R, Eggenreich K, Elia AG, Gottschalk N, Gunkel-Grabole G, Hoffmann L, Kapote D, Kipping T, Klinken S, Loose F, Marquetant T, Windolf H, Geißler S, Spitz T. Quality of FDM 3D Printed Medicines for Pediatrics: Considerations for Formulation Development, Filament Extrusion, Printing Process and Printer Design. Ther Innov Regul Sci 2021; 56:910-928. [PMID: 34826120 PMCID: PMC9492703 DOI: 10.1007/s43441-021-00354-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/04/2021] [Indexed: 02/08/2023]
Abstract
3d printing is capable of providing dose individualization for pediatric medicines and translating the precision medicine approach into practical application. In pediatrics, dose individualization and preparation of small dosage forms is a requirement for successful therapy, which is frequently not possible due to the lack of suitable dosage forms. For precision medicine, individual characteristics of patients are considered for the selection of the best possible API in the most suitable dose with the most effective release profile to improve therapeutic outcome. 3d printing is inherently suitable for manufacturing of individualized medicines with varying dosages, sizes, release profiles and drug combinations in small batch sizes, which cannot be manufactured with traditional technologies. However, understanding of critical quality attributes and process parameters still needs to be significantly improved for this new technology. To ensure health and safety of patients, cleaning and process validation needs to be established. Additionally, adequate analytical methods for the in-process control of intermediates, regarding their printability as well as control of the final 3d printed tablets considering any risk of this new technology will be required. The PolyPrint consortium is actively working on developing novel polymers for fused deposition modeling (FDM) 3d printing, filament formulation and manufacturing development as well as optimization of the printing process, and the design of a GMP-capable FDM 3d printer. In this manuscript, the consortium shares its views on quality aspects and measures for 3d printing from drug-loaded filaments, including formulation development, the printing process, and the printed dosage forms. Additionally, engineering approaches for quality assurance during the printing process and for the final dosage form will be presented together with considerations for a GMP-capable printer design.
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Affiliation(s)
- Julian Quodbach
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany.
| | - Malte Bogdahn
- Merck Healthcare KGaA, Frankfurter Str. 250, Darmstadt, Germany
| | - Jörg Breitkreutz
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Rebecca Chamberlain
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | | | | | | | | | - Lena Hoffmann
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | | | - Thomas Kipping
- Merck Life Science KGaA, Frankfurter Str. 250, Darmstadt, Germany
| | - Stefan Klinken
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Fabian Loose
- Laboratory for Manufacturing Systems, University of Applied Sciences Cologne, Betzdorfer Str. 2, 50679, Cologne, Germany
| | | | - Hellen Windolf
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Simon Geißler
- Merck Healthcare KGaA, Frankfurter Str. 250, Darmstadt, Germany
| | - Tilmann Spitz
- Laboratory for Manufacturing Systems, University of Applied Sciences Cologne, Betzdorfer Str. 2, 50679, Cologne, Germany
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Enhanced Supersaturation via Fusion-Assisted Amorphization during FDM 3D Printing of Crystalline Poorly Soluble Drug Loaded Filaments. Pharmaceutics 2021; 13:pharmaceutics13111857. [PMID: 34834272 PMCID: PMC8618474 DOI: 10.3390/pharmaceutics13111857] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 11/16/2022] Open
Abstract
Filaments loaded with griseofulvin (GF), a model poorly water-soluble drug, were prepared and used for 3D printing via fused deposition modeling (FDM). GF was selected due to its high melting temperature, enabling lower temperature hot-melt extrusion (HME) keeping GF largely crystalline in the filaments, which could help mitigate the disadvantages of high HME processing temperatures such as filament quality, important for printability and the adverse effects of GF recrystallization on tablet properties. Novel aspects include single-step fusion-assisted ASDs generation during FDM 3D printing and examining the impact of tablet surface areas (SA) through printing multi-mini and square-pattern perforated tablets to further enhance drug supersaturation during dissolution. Kollicoat protect and hydroxypropyl cellulose were selected due to their low miscibility with GF, necessary to produce crystalline filaments. The drug solid-state was assessed via XRPD, DSC and FT-IR. At 165 °C HME processing temperature, the filaments containing ~80% crystalline GF were printable. Fusion-assisted 3D printing led to GF supersaturation of ~153% for cylindrical tablets and ~293% with the square-pattern perforated tablets, indicating strong monotonous impact of tablet SA. Dissolution kinetics of drug release profiles indicated Fickian transport for tablets with higher SA, demonstrating greater SA-induced drug supersaturation for well-designed 3D printed tablets.
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Parhi R, Jena GK. An updated review on application of 3D printing in fabricating pharmaceutical dosage forms. Drug Deliv Transl Res 2021; 12:2428-2462. [PMID: 34613595 DOI: 10.1007/s13346-021-01074-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2021] [Indexed: 01/22/2023]
Abstract
The concept of "one size fits all" followed by the conventional healthcare system has drawbacks in providing precise pharmacotherapy due to variation in the pharmacokinetics of different patients leading to serious consequences such as side effects. In this regard, digital-based three-dimensional printing (3DP), which refers to fabricating 3D printed pharmaceutical dosage forms with variable geometry in a layer-by-layer fashion, has become one of the most powerful and innovative tools in fabricating "personalized medicine" to cater to the need of therapeutic benefits for patients to the maximum extent. This is achieved due to the tremendous potential of 3DP in tailoring various drug delivery systems (DDS) in terms of size, shape, drug loading, and drug release. In addition, 3DP has a huge impact on special populations including pediatrics, geriatrics, and pregnant women with unique or frequently changing medical needs. The areas covered in the present article are as follows: (i) the difference between traditional and 3DP manufacturing tool, (ii) the basic processing steps involved in 3DP, (iii) common 3DP methods with their pros and cons, (iv) various DDS fabricated by 3DP till date with discussing few research studies in each class of DDS, (v) the drug loading principles into 3D printed dosage forms, and (vi) regulatory compliance.
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Affiliation(s)
- Rabinarayan Parhi
- Department of Pharmaceutical Sciences, Susruta School of Medical and Paramedical Sciences, Assam University (A Central University), Silchar-788011, Assam, India.
| | - Goutam Kumar Jena
- Roland Institute of Pharmaceutical Sciences, Berhampur-7600010, Odisha, India
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Karavasili C, Eleftheriadis GK, Gioumouxouzis C, Andriotis EG, Fatouros DG. Mucosal drug delivery and 3D printing technologies: A focus on special patient populations. Adv Drug Deliv Rev 2021; 176:113858. [PMID: 34237405 DOI: 10.1016/j.addr.2021.113858] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/07/2021] [Accepted: 07/01/2021] [Indexed: 02/08/2023]
Abstract
In the last decade, additive manufacturing (AM) technologies have revolutionized how healthcare provision is envisioned. The rapid evolution of these technologies has already created a momentum in the effort to address unmet personalized needs in large patient groups, especially those belonging to sensitive subgroup populations (e.g., paediatric, geriatric, visually impaired). At the same time, AM technologies have become a salient ally to overcome defined health challenges in drug formulation development by addressing not only the requirement of personalized therapy, but also problems related to lowering non-specific drug distribution and the risk of adverse reactions, enhancing drug absorption and bioavailability, as well as ease of administration and patient compliance. To this end, mucoadhesive drug delivery systems fabricated with the support of AM technologies provide competitive advantages over conventional dosage forms, aiming to entice innovation in drug formulation with special focus on sensitive patient populations.
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Statistical design of experiment-based formulation development and optimization of 3D printed oral controlled release drug delivery with multi target product profile. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2021. [DOI: 10.1007/s40005-021-00542-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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61
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Gueche YA, Sanchez-Ballester NM, Cailleaux S, Bataille B, Soulairol I. Selective Laser Sintering (SLS), a New Chapter in the Production of Solid Oral Forms (SOFs) by 3D Printing. Pharmaceutics 2021; 13:1212. [PMID: 34452173 PMCID: PMC8399326 DOI: 10.3390/pharmaceutics13081212] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 08/01/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022] Open
Abstract
3D printing is a new emerging technology in the pharmaceutical manufacturing landscape. Its potential advantages for personalized medicine have been widely explored and commented on in the literature over recent years. More recently, the selective laser sintering (SLS) technique has been investigated for oral drug-delivery applications. Thus, this article reviews the work that has been conducted on SLS 3D printing for the preparation of solid oral forms (SOFs) from 2017 to 2020 and discusses the opportunities and challenges for this state-of-the-art technology in precision medicine. Overall, the 14 research articles reviewed report the use of SLS printers equipped with a blue diode laser (445-450 nm). The review highlights that the printability of pharmaceutical materials, although an important aspect for understanding the sintering process has only been properly explored in one article. The modulation of the porosity of printed materials appears to be the most interesting outcome of this technology for pharmaceutical applications. Generally, SLS shows great potential to improve compliance within fragile populations. The inclusion of "Quality by Design" tools in studies could facilitate the deployment of SLS in clinical practice, particularly where Good Manufacturing Practices (GMPs) for 3D-printing processes do not currently exist. Nevertheless, drug stability and powder recycling remain particularly challenging in SLS. These hurdles could be overcome by collaboration between pharmaceutical industries and compounding pharmacies.
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Affiliation(s)
- Yanis A. Gueche
- ICGM, University Montpellier, CNRS, ENSCM, 34000 Montpellier, France; (Y.A.G.); (N.M.S.-B.); (S.C.); (B.B.)
| | | | - Sylvain Cailleaux
- ICGM, University Montpellier, CNRS, ENSCM, 34000 Montpellier, France; (Y.A.G.); (N.M.S.-B.); (S.C.); (B.B.)
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France
| | - Bernard Bataille
- ICGM, University Montpellier, CNRS, ENSCM, 34000 Montpellier, France; (Y.A.G.); (N.M.S.-B.); (S.C.); (B.B.)
| | - Ian Soulairol
- ICGM, University Montpellier, CNRS, ENSCM, 34000 Montpellier, France; (Y.A.G.); (N.M.S.-B.); (S.C.); (B.B.)
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France
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62
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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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63
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Eduardo DT, Ana SE, José B F. A micro-extrusion 3D printing platform for fabrication of orodispersible printlets for pediatric use. Int J Pharm 2021; 605:120854. [PMID: 34224841 DOI: 10.1016/j.ijpharm.2021.120854] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 01/21/2023]
Abstract
3D printed pharmaceuticals offers the potential to manufacture personalized medicines for patients. Such technology is of particular benefit to pediatric populations from the offer of increased patient compliance and dose flexibility. With a bench-to-patient approach, this study established and optimized the critical parameters of the semi-solid micro-extrusion 3D printing process to guarantee the quality attributes of the final dosage form. Pediatrics orodispersible printlets of hydrochlorothiazide were manufactured through the modification of printing parameters, as well as printing surfaces materials. The printlets were characterized and the dimensions were measured using a digital caliper and computer vision algorithm. This study identified that the printing surface material and the first printing layer are critical parameters for high-resolution printlets. Following the optimization of 3D printing parameters, high quality orodispersible printlets loaded with hydrochlorothiazide - specifically tailored for pediatric patient's dosage forms - were obtained (4.62 mm × 1.90 mm). Mass and content uniformity assays demonstrated that the printlets satisfied the requirements for orodispersible printlets set by the European Pharmacopoeia. As such, in order to transition from laboratory research towards the treatment of patients, distinguishing accurate 3D printing parameters is necessary for the manufacture of medicines with key quality attributes that follow Pharmacopoeia requirements.
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Affiliation(s)
- Díaz-Torres Eduardo
- Facultad de Farmacia, Universidad de La Laguna, La Laguna 38206, Spain; Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna 38206, Spain; Programa de Doctorado en Ciencias Médicas y Farmacéuticas, Desarrollo y Calidad de Vida, Universidad de La Laguna, 38200 La Laguna (Tenerife), Spain; Programa predoctoral de formación del personal investigador en Canarias, Consejería de Economía, Conocimiento y Empleo, Spain
| | - Santoveña-Estévez Ana
- Facultad de Farmacia, Universidad de La Laguna, La Laguna 38206, Spain; Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna 38206, Spain.
| | - Fariña José B
- Facultad de Farmacia, Universidad de La Laguna, La Laguna 38206, Spain; Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, La Laguna 38206, Spain
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Mohammed AA, Algahtani MS, Ahmad MZ, Ahmad J. Optimization of semisolid extrusion (pressure-assisted microsyringe)-based 3D printing process for advanced drug delivery application. ANNALS OF 3D PRINTED MEDICINE 2021. [DOI: 10.1016/j.stlm.2021.100008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Pyteraf J, Jamróz W, Kurek M, Szafraniec-Szczęsny J, Kramarczyk D, Jurkiewicz K, Knapik-Kowalczuk J, Tarasiuk J, Wroński S, Paluch M, Jachowicz R. How to Obtain the Maximum Properties Flexibility of 3D Printed Ketoprofen Tablets Using Only One Drug-Loaded Filament? Molecules 2021; 26:molecules26113106. [PMID: 34067434 PMCID: PMC8196966 DOI: 10.3390/molecules26113106] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/10/2021] [Accepted: 05/20/2021] [Indexed: 11/18/2022] Open
Abstract
The flexibility of dose and dosage forms makes 3D printing a very interesting tool for personalized medicine, with fused deposition modeling being the most promising and intensively developed method. In our research, we analyzed how various types of disintegrants and drug loading in poly(vinyl alcohol)-based filaments affect their mechanical properties and printability. We also assessed the effect of drug dosage and tablet spatial structure on the dissolution profiles. Given that the development of a method that allows the production of dosage forms with different properties from a single drug-loaded filament is desirable, we developed a method of printing ketoprofen tablets with different dose and dissolution profiles from a single feedstock filament. We optimized the filament preparation by hot-melt extrusion and characterized them. Then, we printed single, bi-, and tri-layer tablets varying with dose, infill density, internal structure, and composition. We analyzed the reproducibility of a spatial structure, phase, and degree of molecular order of ketoprofen in the tablets, and the dissolution profiles. We have printed tablets with immediate- and sustained-release characteristics using one drug-loaded filament, which demonstrates that a single filament can serve as a versatile source for the manufacturing of tablets exhibiting various release characteristics.
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Affiliation(s)
- Jolanta Pyteraf
- Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; (J.P.); (W.J.); (J.S.-S.); (R.J.)
| | - Witold Jamróz
- Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; (J.P.); (W.J.); (J.S.-S.); (R.J.)
| | - Mateusz Kurek
- Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; (J.P.); (W.J.); (J.S.-S.); (R.J.)
- Correspondence: ; Tel.: +48-12-62-05-600
| | - Joanna Szafraniec-Szczęsny
- Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; (J.P.); (W.J.); (J.S.-S.); (R.J.)
| | - Daniel Kramarczyk
- Department of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; (D.K.); (K.J.); (J.K.-K.); (M.P.)
- Silesian Center for Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Karolina Jurkiewicz
- Department of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; (D.K.); (K.J.); (J.K.-K.); (M.P.)
- Silesian Center for Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Justyna Knapik-Kowalczuk
- Department of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; (D.K.); (K.J.); (J.K.-K.); (M.P.)
- Silesian Center for Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Jacek Tarasiuk
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland; (J.T.); (S.W.)
| | - Sebastian Wroński
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland; (J.T.); (S.W.)
| | - Marian Paluch
- Department of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; (D.K.); (K.J.); (J.K.-K.); (M.P.)
- Silesian Center for Education and Interdisciplinary Research, University of Silesia, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Renata Jachowicz
- Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; (J.P.); (W.J.); (J.S.-S.); (R.J.)
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Dumpa N, Butreddy A, Wang H, Komanduri N, Bandari S, Repka MA. 3D printing in personalized drug delivery: An overview of hot-melt extrusion-based fused deposition modeling. Int J Pharm 2021; 600:120501. [PMID: 33746011 PMCID: PMC8089048 DOI: 10.1016/j.ijpharm.2021.120501] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/09/2021] [Accepted: 03/13/2021] [Indexed: 01/01/2023]
Abstract
Advancements in pharmaceutical technologies have led to the personalization of therapies over the last decade. Three-dimensional printing (3DP) is an emerging technique in the manufacturing of pharmaceutical dosage forms because of its potential to create complex and customized dosage forms according to the patient's needs. Among the various 3DP techniques based on different functioning mechanisms, fused deposition modeling (FDM) 3D printing is a versatile and widely used method with advantages such as precision of quantity and the ability to incorporate different fill densities. This method is also economical and easily produces complex designs. Hot-melt extrusion (HME) is an established technique in pharmaceutical manufacturing that is utilized in the development of filaments which are used as "ink roll" or feedstock material in FDM 3D printing. This review discusses the various stages involved in FDM 3D printing, including feedstock filament preparation using HME, digital dosage form designs, filament characterization, and various novel applications, and future perspectives.
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Affiliation(s)
- Nagireddy Dumpa
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Arun Butreddy
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Honghe Wang
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Neeraja Komanduri
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA; Pii Center for Pharmaceutical Technology, The University of Mississippi, University, MS 38677, USA.
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Polyvinyl Alcohol-Based 3D Printed Tablets: Novel Insight into the Influence of Polymer Particle Size on Filament Preparation and Drug Release Performance. Pharmaceuticals (Basel) 2021; 14:ph14050418. [PMID: 34062744 PMCID: PMC8147252 DOI: 10.3390/ph14050418] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 12/31/2022] Open
Abstract
Three-dimensional printing (3DP) by fused deposition modeling (FDM) has gained momentum as a promising pharmaceutical manufacturing method due to encouraging forward-looking perspectives in personalized medicine preparation. The current challenges the technology has for applicability in the fabrication of solid dosage forms include the limited range of suitable pharmaceutical grade thermoplastic materials. Hence, it is important to investigate the implications of variable properties of the polymeric carrier on the preparation steps and the final output, as versatile products could be obtained by using the same material. In this study, we highlighted the influence of polyvinyl alcohol (PVA) particle size on the residence time of the mixtures in the extruder during the drug-loaded filament preparation step and the consequent impact on drug release from the 3D printed dosage form. We enhanced filament printability by exploiting the plasticizing potential of the active pharmaceutical ingredient (API) and we explored a channeled tablet model as a design strategy for dissolution facilitating purposes. Our findings disclosed a new perspective regarding material considerations for the preparation of PVA-based solid dosage forms by coupling hot melt extrusion (HME) and FDM-3DP.
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Amekyeh H, Tarlochan F, Billa N. Practicality of 3D Printed Personalized Medicines in Therapeutics. Front Pharmacol 2021; 12:646836. [PMID: 33912058 PMCID: PMC8072378 DOI: 10.3389/fphar.2021.646836] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/02/2021] [Indexed: 11/13/2022] Open
Abstract
Technological advances in science over the past century have paved the way for remedial treatment outcomes in various diseases. Pharmacogenomic predispositions, the emergence of multidrug resistance, medication and formulation errors contribute significantly to patient mortality. The concept of "personalized" or "precision" medicines provides a window to addressing these issues and hence reducing mortality. The emergence of three-dimensional printing of medicines over the past decades has generated interests in therapeutics and dispensing, whereby the provisions of personalized medicines can be built within the framework of producing medicines at dispensaries or pharmacies. This plan is a good replacement of the fit-for-all modality in conventional therapeutics, where clinicians are constrained to prescribe pre-formulated dose units available on the market. However, three-dimension printing of personalized medicines faces several hurdles, but these are not insurmountable. In this review, we explore the relevance of personalized medicines in therapeutics and how three-dimensional printing makes a good fit in current gaps within conventional therapeutics in order to secure an effective implementation of personalized medicines. We also explore the deployment of three-dimensional printing of personalized medicines based on practical, legal and regulatory provisions.
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Affiliation(s)
- Hilda Amekyeh
- Department of Pharmaceutics, School of Pharmacy, University of Health and Allied Sciences, Ho, Ghana
| | | | - Nashiru Billa
- College of Pharmacy, QU Health, Qatar University, Doha, Qatar
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Obeid S, Madžarević M, Krkobabić M, Ibrić S. Predicting drug release from diazepam FDM printed tablets using deep learning approach: Influence of process parameters and tablet surface/volume ratio. Int J Pharm 2021; 601:120507. [PMID: 33766640 DOI: 10.1016/j.ijpharm.2021.120507] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/11/2021] [Accepted: 03/16/2021] [Indexed: 12/24/2022]
Abstract
The aim of this study was to apply artificial neural networks as deep learning tools in establishing a model for understanding and prediction of diazepam release from fused deposition modeling (FDM) printed tablets. Diazepam printed tablets of various shapes were created by a computer-aided design (CAD) program and prepared by fused deposition modeling using previously prepared polyvinyl alcohol/diazepam filaments via hot-melt extrusion. The surface to volume ratio (SA/V) for each shape was calculated. Printing parameters were varied including infill density (20%, 70% and 100%) and infill pattern (line and zigzag). Influence of tablet SA/V ratio and printing parameters (infill density and infill pattern) on the release of diazepam from printed tablets were modeled using self-organizing maps (SOM) and multi-layer perceptron (MLP). SOM as an unsupervised neural network was used for visualizing interrelation among the data, whereas MLP was used for the prediction of drug release properties. MLP had three layers (with structure 2-3-5) and was trained using back propagation algorithm. Input parameters for the modeling were: infill density and SA/V ratio; while output parameters were percent of drug release in five time points. The data set for network training was divided into training, validation and test sets. The dissolution rate increased with higher SA/V ratio, lower infill density (less than 50%) and zigzag infill pattern. The established ANN model was tested; calculated f 2 factors for two tested formulations (70.24 and 77.44) showed similarity between experimentally observed and predicted drug release profiles. Trained MLP network was able to predict drug release behavior as a function of infill density and SA/Vol ratio, as established design space for formulated 3D printed diazepam tablets.
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Affiliation(s)
- Samiha Obeid
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Marijana Madžarević
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Mirjana Krkobabić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia.
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Brambilla CRM, Okafor-Muo OL, Hassanin H, ElShaer A. 3DP Printing of Oral Solid Formulations: A Systematic Review. Pharmaceutics 2021; 13:358. [PMID: 33803163 PMCID: PMC8002067 DOI: 10.3390/pharmaceutics13030358] [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: 02/07/2021] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 12/12/2022] Open
Abstract
Three-dimensional (3D) printing is a recent technology, which gives the possibility to manufacture personalised dosage forms and it has a broad range of applications. One of the most developed, it is the manufacture of oral solid dosage and the four 3DP techniques which have been more used for their manufacture are FDM, inkjet 3DP, SLA and SLS. This systematic review is carried out to statistically analyze the current 3DP techniques employed in manufacturing oral solid formulations and assess the recent trends of this new technology. The work has been organised into four steps, (1) screening of the articles, definition of the inclusion and exclusion criteria and classification of the articles in the two main groups (included/excluded); (2) quantification and characterisation of the included articles; (3) evaluation of the validity of data and data extraction process; (4) data analysis, discussion, and conclusion to define which technique offers the best properties to be applied in the manufacture of oral solid formulations. It has been observed that with SLS 3DP technique, all the characterisation tests required by the BP (drug content, drug dissolution profile, hardness, friability, disintegration time and uniformity of weight) have been performed in the majority of articles, except for the friability test. However, it is not possible to define which of the four 3DP techniques is the most suitable for the manufacture of oral solid formulations, because the selection is affected by different parameters, such as the type of formulation, the physical-mechanical properties to achieve. Moreover, each technique has its specific advantages and disadvantages, such as for FDM the biggest challenge is the degradation of the drug, due to high printing temperature process or for SLA is the toxicity of the carcinogenic risk of the photopolymerising material.
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Affiliation(s)
- Chiara R. M. Brambilla
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, Department of Pharmacy, Pharmacy and Chemistry, School of Life Sciences, Kingston University London, Kingston Upon Thames, Surrey KT1 2EE, UK; (C.R.M.B.); (O.L.O.-M.)
| | - Ogochukwu Lilian Okafor-Muo
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, Department of Pharmacy, Pharmacy and Chemistry, School of Life Sciences, Kingston University London, Kingston Upon Thames, Surrey KT1 2EE, UK; (C.R.M.B.); (O.L.O.-M.)
| | - Hany Hassanin
- School of Engineering, Technology and Design, The University of Canterbury Christ Church, Canterbury CT1 1QU, UK
| | - Amr ElShaer
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, Department of Pharmacy, Pharmacy and Chemistry, School of Life Sciences, Kingston University London, Kingston Upon Thames, Surrey KT1 2EE, UK; (C.R.M.B.); (O.L.O.-M.)
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72
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Butreddy A, Bandari S, Repka MA. Quality-by-design in hot melt extrusion based amorphous solid dispersions: An industrial perspective on product development. Eur J Pharm Sci 2021; 158:105655. [PMID: 33253883 PMCID: PMC7855693 DOI: 10.1016/j.ejps.2020.105655] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 02/06/2023]
Abstract
An industrially feasible approach to overcome the solubility and bioavailability limitations of poorly soluble active pharmaceutical ingredients is the development of amorphous solid dispersions (ASDs) using hot-melt extrusion (HME) technique. The application of Quality by Design (QbD) had a profound impact on the development of HME-based ASDs. The formulation and process optimization of ASDs manufactured via HME techniques require an understanding of critical quality attributes, critical material attributes, critical process parameters, risk assessment tools, and experimental designs. The knowledge gained from each of these QbD elements helps ensure the consistency of product quality. The selection and implementation of appropriate Design of Experiments (DoE) methodology to screen and optimize the formulation and process variables remain a major challenge. This review provides a comprehensive overview on QbD concepts in HME-based ASDs with an emphasis on DoE methodologies. Further, the information provided in this review can assist researchers in selecting a suitable design with optimal experimental conditions. Specifically, this review has focused on the prediction of drug-polymer miscibility, the elements and sequence of QbD, and various screening and optimization designs, to provide insights into the formulation and process variables that are encountered routinely in the production of HME-based ASDs.
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Affiliation(s)
- Arun Butreddy
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA; Pii Center for Pharmaceutical Technology, The University of Mississippi, University, MS 38677, USA.
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Than YM, Titapiwatanakun V. Tailoring immediate release FDM 3D printed tablets using a quality by design (QbD) approach. Int J Pharm 2021; 599:120402. [PMID: 33640426 DOI: 10.1016/j.ijpharm.2021.120402] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/31/2021] [Accepted: 02/13/2021] [Indexed: 01/14/2023]
Abstract
The aims of this work were to produce immediate release printed tablets using fused deposition modelling (FDM) technique and to systematically explore the effects of different compositions on drug release by Quality by Design approach. Screening studies of various drug loadings and excipients were conducted by hot melt extrusion and FDM printing to set up the appropriate limit of each independent factor (critical material attribute, CMA) in Design of Experiment. This study demonstrated that the use of polymeric mixture containing different theophylline loadings (10, 30 and 60% w/w) in combination with multiple pharmaceutical polymers (hydroxy propyl cellulose (HPC), Eudragit® EPO, Kollidon® VA 64) and disintegrant (sodium starch glycolate) were successfully hot melt-extruded and FDM printed with no plasticizer. Rheological measurement was performed to understand the critical process parameters (CPP) while the mechanical property of extrudable and printable filaments was investigated by 3-point test for the formulation development. Surprisingly, HPC were found to be superior as a flexibility modifier in all printable filaments. A range of pharmaceutical characterizations were examined to ensure the critical quality attributes (CQA). Characteristic dissolution profiles were obtained. D-optimal mixture design of 17 formulations suggested that theophylline release was considerably affected by the combined action of different excipients and could predict the optimum formulation with the required quality target product profile (QTPP) in pharmacopoeia (85% release at 30 min). Therefore, this can be a useful platform to develop immediate release products for a specific group of patients commercially.
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Affiliation(s)
- Yee Mon Than
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, 254 Phayathai road, Pathumwan, Bangkok 10330, Thailand
| | - Varin Titapiwatanakun
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, 254 Phayathai road, Pathumwan, Bangkok 10330, Thailand.
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74
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Yang Y, Wang H, Xu X, Yang G. Strategies and mechanisms to improve the printability of pharmaceutical polymers Eudragit® EPO and Soluplus®. Int J Pharm 2021; 599:120410. [PMID: 33639229 DOI: 10.1016/j.ijpharm.2021.120410] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/30/2021] [Accepted: 02/15/2021] [Indexed: 02/08/2023]
Abstract
The poor printability of most pharmaceutical polymers greatly restricts the application of the fused deposition modeling (FDM) technique in the field of personalized pharmaceutical preparations. General strategies to improve printability and provide practical guidelines for the optimization of formulations are lacking. Moreover, the mechanism associated with the smooth printing process of modified printing materials needs to be investigated. In this study, three different strategies were used to improve the FDM printability of typical brittle polymers with poor printability. The relationship among additives, material properties, and printability was explored. The finite element method was used to simulate the radial stress-strain behavior of the filament, while computational fluid dynamics was used to simulate the axial melt flow field in the printing head. It was found that the addition of an inert filler (i.e., talc), a drug with high melting points (i.e., diclofenac sodium), and a polymer with high strength (i.e., plasticized ethylcellulose) effectively improved the printability of plasticized Eudragit® EPO and Soluplus®. In addition, regulating the mechanical properties of filaments improved printability, and it was deduced that printable filaments should have neither very low stiffness nor very low flexibility. The suitable melt viscosity or shear-thinning property of the printing material facilitated smooth extrusion without filament breakage or nozzle blockage. The results of this study also showed that simulation could assist in understanding the stress-strain behavior of filaments and the flow field of melts during FDM printing.
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Affiliation(s)
- Yan Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Huihui Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Xiaocui Xu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Gensheng Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China.
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75
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Shi K, Salvage JP, Maniruzzaman M, Nokhodchi A. Role of release modifiers to modulate drug release from fused deposition modelling (FDM) 3D printed tablets. Int J Pharm 2021; 597:120315. [PMID: 33540000 DOI: 10.1016/j.ijpharm.2021.120315] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/21/2021] [Accepted: 01/23/2021] [Indexed: 02/07/2023]
Abstract
Although hot melt extrusion (HME) has been used in combination with fused deposition modelling (FDM) three-dimensional printing (3DP), suitable feedstock materials such as polymeric filaments with optimum properties are still limited. In this study, various release modifying excipients, namely, poly(vinyl alcohol) (PVA), Soluplus®, polyethylene glycol (PEG) 6000, Eudragit® RL PO/RS PO, hydroxypropyl methylcellulose (HPMC) K4M/E10M/K100M, Kollidon® vinyl acetate 64 (VA 64)/17PF/30, were used as a release modulating tool to control the drug release from 3D printed sustained release tablets. Ibuprofen (as the model drug) and ethyl cellulose (as the polymeric matrix), along with various release modifiers, were blended and extruded into filaments through a twin-screw extruder. Then these filaments were printed into cylindrical tablets through FDM 3DP technique and their surface morphology, thermal stability, solid-state, mechanical properties, dose accuracy and drug release behaviors were investigated. The solid-state analysis of 3D printed tablets exhibited the amorphous nature of the drug dispersed in the polymer matrices. Although all these prepared filaments could be successfully printed without failing during the FDM 3DP process, the mechanical characterization showed that the filament stiffness and brittleness could be adjusted significantly by changing the type of release modifiers. Moreover, in vitro drug release studies revealed that the drug release could simply be controlled over 24 h by only changing the type of release modifiers. All ibuprofen (IBP) loaded 3D printed tablets with ethyl cellulose (EC) matrix, especially with PEG as the release modifier, showed great potential in releasing IBP in a zero-order reaction. In conclusion, all the results illustrated that the HME/FDM approach and optimized formulation compositions can be an attractive option for the development of pharmaceutical tablets and implants where adjustable drug release patterns are necessary.
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Affiliation(s)
- Kejing Shi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, UK
| | - Jonathan P Salvage
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton BN2 4GJ, UK
| | - Mohammed Maniruzzaman
- Pharmaceutical Engineering and 3D Printing Lab, Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, UK.
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76
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Quality considerations on the pharmaceutical applications of fused deposition modeling 3D printing. Int J Pharm 2021; 592:119901. [DOI: 10.1016/j.ijpharm.2020.119901] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 12/18/2022]
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77
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Mamidi HK, Palekar S, Nukala PK, Mishra SM, Patki M, Fu Y, Supner P, Chauhan G, Patel K. Process optimization of twin-screw melt granulation of fenofibrate using design of experiment (DoE). Int J Pharm 2020; 593:120101. [PMID: 33309834 DOI: 10.1016/j.ijpharm.2020.120101] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/13/2020] [Accepted: 11/15/2020] [Indexed: 01/06/2023]
Abstract
The purpose of this study was to optimize the melt granulation process of fenofibrate using twin-screw granulator. Initial screening was performed to select the excipients required for melt granulation process. A 3 × 3 factorial design was used to optimize the processing conditions using the % drug loading (X1) and screw speed (X2) as the independent parameters and granule friability (Y1) % yield (Y2) as the dependent parameters. The effect of the independent parameters on the dependent parameters was determined using response surface plots and contour plots. A linear relationship was observed between % drug loading (X1) and % friability (Y1) and a quadratic relationship was observed between the independent parameters (X1 and X2) and % yield (Y2). The processing conditions for optimum granules were determined using numerical and graphical optimization and it was found that 15% drug loading at 50 rpm results in maximum % yield of 82.38% and minimum friability of 7.88%. The solid-state characterization of the optimized granules showed that the drug turned from crystalline state to amorphous state during melt granulation process. The optimized granules were compressed into tablets using Purolite® as the super disintegrating agent. The optimized formulation showed >85% drug release in 0.75% SLS solution within 60 min.
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Affiliation(s)
- Hemanth K Mamidi
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Siddhant Palekar
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Pavan Kumar Nukala
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Saurabh M Mishra
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA; SE Tylose USA Inc., Pharmaceutical Application Laboratory, 140 Commerce Way, Totowa, NJ, USA
| | - Manali Patki
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Yige Fu
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Piyush Supner
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Gautam Chauhan
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Ketan Patel
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA.
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78
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Macedo J, Samaro A, Vanhoorne V, Vervaet C, Pinto JF. Processability of poly(vinyl alcohol) Based Filaments With Paracetamol Prepared by Hot-Melt Extrusion for Additive Manufacturing. J Pharm Sci 2020; 109:3636-3644. [DOI: 10.1016/j.xphs.2020.09.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/31/2020] [Accepted: 09/10/2020] [Indexed: 01/04/2023]
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79
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Januskaite P, Xu X, Ranmal SR, Gaisford S, Basit AW, Tuleu C, Goyanes A. I Spy with My Little Eye: A Paediatric Visual Preferences Survey of 3D Printed Tablets. Pharmaceutics 2020; 12:E1100. [PMID: 33212847 PMCID: PMC7698452 DOI: 10.3390/pharmaceutics12111100] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/11/2020] [Accepted: 11/14/2020] [Indexed: 12/18/2022] Open
Abstract
3D printing (3DP) in the pharmaceutical field is a disruptive technology that allows the preparation of personalised medicines at the point of dispensing. The paediatric population presents a variety of pharmaceutical formulation challenges such as dose flexibility, patient compliance, taste masking and the fear or difficulty to swallow tablets, all factors that could be overcome using the adaptable nature of 3DP. User acceptability studies of 3D printed formulations have been previously carried out in adults; however, feedback from children themselves is essential in establishing the quality target product profile towards the development of age-appropriate medicines. The aim of this study was to investigate the preference of children for different 3D printed tablets (Printlets™) as an important precursor to patient acceptability studies. Four different 3DP technologies; digital light processing (DLP), selective laser sintering (SLS), semi-solid extrusion (SSE) and fused deposition modeling (FDM) were used to prepare placebo printlets with similar physical attributes including size and shape. A single-site, two-part survey was completed with participants aged 4-11 years to determine their preference and opinions based on visual inspection of the printlets. A total of 368 participants completed an individual open questionnaire to visually select the best and worst printlet, and 310 participants completed further non-compulsory open questions to elaborate on their choices. Overall, the DLP printlets were the most visually appealing to the children (61.7%) followed by the SLS printlets (21.2%), and with both the FDM (5.4%) and SSE (11.7%) printlets receiving the lowest scores. However, after being informed that the SSE printlets were chewable, the majority of participants changed their selection and favoured this printlet, despite their original choice, in line with children's preference towards chewable dosage forms. Participant age and sex displayed no significant differences in printlet selection. Printlet descriptions were grouped into four distinct categories; appearance, perceived taste, texture and familiarity, and were found to be equally important when creating a quality target product profile for paediatric 3D printed formulations. This study is the first to investigate children's perceptions of printlets, and the findings aim to provide guidance for further development of paediatric-appropriate medicines using different 3DP technologies.
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Affiliation(s)
- Patricija Januskaite
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
| | - Xiaoyan Xu
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
| | - Sejal R. Ranmal
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
| | - Simon Gaisford
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
- FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK
| | - Abdul W. Basit
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
- FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK
| | - Catherine Tuleu
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
| | - Alvaro Goyanes
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (P.J.); (X.X.); (S.R.R.); (S.G.)
- FabRx Ltd., 3 Romney Road, Ashford, Kent TN24 0RW, UK
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I + D Farma Group (GI-1645), Universidad de Santiago de Compostela, 15782 Santiago de Compostela, A Coruña, Spain
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80
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Vartak R, Patki M, Menon S, Jablonski J, Mediouni S, Fu Y, Valente ST, Billack B, Patel K. β-cyclodextrin polymer/Soluplus® encapsulated Ebselen ternary complex (EβpolySol) as a potential therapy for vaginal candidiasis and pre-exposure prophylactic for HIV. Int J Pharm 2020; 589:119863. [DOI: 10.1016/j.ijpharm.2020.119863] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 01/10/2023]
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81
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Abuse deterrent immediate release film technology (ADRIFT): A novel bilayer film technology for limiting intentional drug abuse. Int J Pharm 2020; 590:119944. [DOI: 10.1016/j.ijpharm.2020.119944] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/29/2020] [Accepted: 09/30/2020] [Indexed: 12/30/2022]
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82
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Moreira M, Sarraguça M. How can oral paediatric formulations be improved? A challenge for the XXI century. Int J Pharm 2020; 590:119905. [DOI: 10.1016/j.ijpharm.2020.119905] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/07/2020] [Accepted: 09/19/2020] [Indexed: 02/06/2023]
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83
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Fused Deposition Modeling (FDM), the new asset for the production of tailored medicines. J Control Release 2020; 330:821-841. [PMID: 33130069 DOI: 10.1016/j.jconrel.2020.10.056] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/22/2020] [Accepted: 10/25/2020] [Indexed: 10/23/2022]
Abstract
Over the last few years, conventional medicine has been increasingly moving towards precision medicine. Today, the production of oral pharmaceutical forms tailored to patients is not achievable by traditional industrial means. A promising solution to customize oral drug delivery has been found in the utilization of 3D Printing and in particular Fused Deposition Modeling (FDM). Thus, the aim of this systematic literature review is to provide a synthesis on the production of pharmaceutical solid oral forms using FDM technology. In total, 72 relevant articles have been identified via two well-known scientific databases (PubMed and ScienceDirect). Overall, three different FDM methods have been reported: "Impregnation-FDM", "Hot Melt Extrusion coupled with FDM" and "Print-fill", which yielded to the formulation of thermoplastic polymers used as main component, five families of other excipients playing different functional roles and 47 active ingredients. Solutions are underway to overcome the high printing temperatures, which was the initial brake on to use thermosensitive ingredients with this technology. Also, the moisture sensitivity shown by a large number of prints in preliminary storage studies is highlighted. FDM seems to be especially fitted for the treatment of rare diseases, and particular populations requiring tailored doses or release kinetics. For future use of FDM in clinical trials, an implication of health regulatory agencies would be necessary. Hence, further efforts would likely be oriented to the use of a quality approach such as "Quality by Design" which could facilitate its approval by the authorities, and also be an aid to the development of this technology for manufacturers.
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84
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Application of Extrusion-Based 3D Printed Dosage Forms in the Treatment of Chronic Diseases. J Pharm Sci 2020; 109:3551-3568. [PMID: 33035541 DOI: 10.1016/j.xphs.2020.09.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 09/10/2020] [Accepted: 09/25/2020] [Indexed: 12/26/2022]
Abstract
Chronic disease management has been a significant burden in many countries. As most treatment options involve long-term pharmacotherapy, patient compliance has been a challenge, as patients have to remember taking medications on time at the prescribed dose for each disease state. Patients are often required to split the dosage unit, which may lead to under- or over-dose and dose-related adverse effects. However, 3D printing technologies have been used for fabricating personalized medications and multiple drugs in a single dose unit (polypills), which might greatly reduce treatment monitoring, dosing errors, and follow-ups with the health care providers. Extrusion-based 3D printing is the most used technology to fabricate polypills and to customize the dose, dosage form, and release kinetics, which might potentially reduce the risk of patient non-compliance. Although extrusion-based 3D printing has existed for some time, interest in its potential to fabricate dosage forms for treating chronic diseases is still in its infancy. This review focuses on the various extrusion-based 3D printing technologies such as fused deposition modeling, pressure-assisted microsyringe, and direct powder extrusion 3D printing in the preparation of customizable, multi-drug dosage forms for treating chronic diseases.
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85
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Dudhipala N, Ali Youssef AA, Banala N. Colloidal lipid nanodispersion enriched hydrogel of antifungal agent for management of fungal infections: Comparative in-vitro, ex-vivo and in-vivo evaluation for oral and topical application. Chem Phys Lipids 2020; 233:104981. [PMID: 33031802 DOI: 10.1016/j.chemphyslip.2020.104981] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/21/2020] [Accepted: 09/28/2020] [Indexed: 11/25/2022]
Abstract
Ketoconazole (KZ) is broad spectrum antifungal drug, used for the treatment of fungal infections. KZ's clinical topical use has been associated with some adverse effects in healthy adults particularly local reactions, such as stinging, severe irritation, and pruritus. However, bioavailability of KZ after oral administration is low from tablets due to its low aqueous solubility. The objective of this investigation was development and characterization of KZ-containing solid lipid nanoparticles (KZ-SLNs) and SLN-containing hydrogel (KZ-SLN-H) for oral and topical delivery of KZ. KZ-SLNs were prepared using homogenization-sonication method. Optimal KZ-SLN formulation was selected based on physicochemical and in-vitro release studies. Optimized KZ-SLN converted to KZ-SLN hydrogel (KZ-SLN-H) using gelling polymers and optimized with rheological and in-vitro studies. Further, optimized KZ-SLN and KZ-SLN-H formulations evaluated for crystallinity, morphology, stability, ex-vivo and in-vivo pharmacokinetic (PK) studies in rats, comparison with KZ suspension (KZ-S) and KZ-S hydrogel (KZ-SH). Optimized KZ-SLN formulation showed desirable characters. KZ-SLN and KZ-SLN-H formulations exhibited spherical shape, converted to amorphous, sustained release behaviour and enhanced permeability (p < 0.05). Moreover, both formulations were stable for three months at 4 °C and 25 °C. PK studies revealed 1.9 and 1.5-folds, 3.5 and 2.8-folds enhancement of bioavailability of optimized KZ-SLN and KZ-SLN-H formulations (p < 0.05) compared with KZ-S and KZ-SH formulations, respectively. Overall, SLN and SLN-H formulations could be considered as an efficient delivery vehicles for KZ through oral and topical administration for better control over topical and systemic fungal infections.
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Affiliation(s)
- Narendar Dudhipala
- Depratment of Pharmaceutics, Vaagdevi College of Pharmacy, Warangal, 50 6005, Telangana State, India.
| | - Ahmed Adel Ali Youssef
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Nagaraj Banala
- Department of Nanotechnology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana State, India
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86
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Melocchi A, Uboldi M, Cerea M, Foppoli A, Maroni A, Moutaharrik S, Palugan L, Zema L, Gazzaniga A. A Graphical Review on the Escalation of Fused Deposition Modeling (FDM) 3D Printing in the Pharmaceutical Field. J Pharm Sci 2020; 109:2943-2957. [DOI: 10.1016/j.xphs.2020.07.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/08/2020] [Accepted: 07/08/2020] [Indexed: 01/02/2023]
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87
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Elkasabgy NA, Mahmoud AA, Maged A. 3D printing: An appealing route for customized drug delivery systems. Int J Pharm 2020; 588:119732. [DOI: 10.1016/j.ijpharm.2020.119732] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/28/2020] [Accepted: 08/01/2020] [Indexed: 12/18/2022]
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88
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Xu P, Li J, Meda A, Osei-Yeboah F, Peterson ML, Repka M, Zhan X. Development of a quantitative method to evaluate the printability of filaments for fused deposition modeling 3D printing. Int J Pharm 2020; 588:119760. [DOI: 10.1016/j.ijpharm.2020.119760] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/18/2020] [Accepted: 08/09/2020] [Indexed: 12/26/2022]
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89
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Bagde A, Patel N, Patel K, Nottingham E, Singh M. Sustained release dosage form of noscapine HCl using hot melt extrusion (HME) technique: formulation and pharmacokinetics. Drug Deliv Transl Res 2020; 11:1156-1165. [PMID: 32880879 DOI: 10.1007/s13346-020-00838-w] [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] [Indexed: 11/24/2022]
Abstract
Sustained release formulation of noscapine (Nos) HCl could be useful in maintaining plasma Nos HCl level for prolonged period of time, which is important for chemo-sensitization. However, weakly basic drugs like Nos HCl have pH-dependent solubility. Therefore, the purpose of this study was to achieve pH-independent drug release by developing the sustained release dosage form of Nos HCl using biodegradable polymer Eudragit RLPO and FDA-approved pH modifier citric acid (CA) by hot melt extrusion (HME) technique. Nos HCl was successfully formulated using 10% CA with 91.2 ± 1.34% drug recovery through the extruder. X-ray diffraction (XRD) results showed that drug was completely dispersed in the polymer and changed to amorphous from its crystalline form. In vitro drug release studies in pH 6.8 buffer showed that formulation containing 10% CA released 70.99 ± 3.85% drug in 24 h after initial burst release of 40.04 ± 2.39% compared to formulation without CA. Furthermore, in vivo pharmacokinetic data showed the sustained release plasma concentration time curve with significant (p < 0.05) increase in area under curve (AUC) in Nos HCl extrudate compared to Nos HCl solution. Overall, HME can be used to enhance the bioavailability and achieve the pH-independent solubility of weakly basic drugs like Nos HCl. Graphical abstract.
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Affiliation(s)
- Arvind Bagde
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Nilkumar Patel
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Ketan Patel
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA.,College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Ebony Nottingham
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Mandip Singh
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA.
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90
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Polymer Selection for Hot-Melt Extrusion Coupled to Fused Deposition Modelling in Pharmaceutics. Pharmaceutics 2020; 12:pharmaceutics12090795. [PMID: 32842703 PMCID: PMC7558966 DOI: 10.3390/pharmaceutics12090795] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 08/16/2020] [Accepted: 08/18/2020] [Indexed: 12/31/2022] Open
Abstract
Three-dimensional (3D) printing offers the greatest potential to revolutionize the future of pharmaceutical manufacturing by overcoming challenges of conventional pharmaceutical operations and focusing design and production of dosage forms on the patient’s needs. Of the many technologies available, fusion deposition modelling (FDM) is considered of the lowest cost and higher reproducibility and accessibility, offering clear advantages in drug delivery. FDM requires in-house production of filaments of drug-containing thermoplastic polymers by hot-melt extrusion (HME), and the prospect of connecting the two technologies has been under investigation. The ability to integrate HME and FDM and predict and tailor the filaments’ properties will extend the range of printable polymers/formulations. Hence, this work revises the properties of the most common pharmaceutical-grade polymers used and their effect on extrudability, printability, and printing outcome, providing suitable processing windows for different raw materials. As a result, formulation selection will be more straightforward (considering the characteristics of drug and desired dosage form or release profile) and the processes setup will be more expedite (avoiding or mitigating typical processing issues), thus guaranteeing the success of both HME and FDM. Relevant techniques used to characterize filaments and 3D-printed dosage forms as an essential component for the evaluation of the quality output are also presented.
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91
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Fina F, Goyanes A, Rowland M, Gaisford S, W. Basit A. 3D Printing of Tunable Zero-Order Release Printlets. Polymers (Basel) 2020; 12:polym12081769. [PMID: 32784645 PMCID: PMC7465712 DOI: 10.3390/polym12081769] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/31/2020] [Accepted: 08/04/2020] [Indexed: 01/12/2023] Open
Abstract
Zero-order release formulations are designed to release a drug at a constant rate over a prolonged time, thus reducing systemic side effects and improving patience adherence to the therapy. Such formulations are traditionally complex to manufacture, requiring multiple steps. In this work, fused deposition modeling (FDM) 3D printing was explored to prepare on-demand printlets (3D printed tablets). The design includes a prolonged release core surrounded by an insoluble shell able to provide zero-order release profiles. The effect of drug loading (10, 25, and 40% w/w paracetamol) on the mechanical and physical properties of the hot melt extruded filaments and 3D printed formulations was evaluated. Two different shell 3D designs (6 mm and 8 mm diameter apertures) together with three different core infills (100, 50, and 25%) were prepared. The formulations showed a range of zero-order release profiles spanning 16 to 48 h. The work has shown that with simple formulation design modifications, it is possible to print extended release formulations with tunable, zero-order release kinetics. Moreover, by using different infill percentages, the dose contained in the printlet can be infinitely adjusted, providing an additive manufacturing route for personalizing medicines to a patient.
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Affiliation(s)
- Fabrizio Fina
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (F.F.); (A.G.); (S.G.)
| | - Alvaro Goyanes
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (F.F.); (A.G.); (S.G.)
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I+D Farma (GI-1645), Facultad de Farmacia, and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Martin Rowland
- Pfizer Ltd., Drug Product Design, Discovery Park, Ramsgate Road, Sandwich CT13 9ND, UK;
| | - Simon Gaisford
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (F.F.); (A.G.); (S.G.)
| | - Abdul W. Basit
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; (F.F.); (A.G.); (S.G.)
- Correspondence: ; Tel.: +44-020-7753-5865
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92
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Herrada-Manchón H, Rodríguez-González D, Alejandro Fernández M, Suñé-Pou M, Pérez-Lozano P, García-Montoya E, Aguilar E. 3D printed gummies: Personalized drug dosage in a safe and appealing way. Int J Pharm 2020; 587:119687. [PMID: 32730802 DOI: 10.1016/j.ijpharm.2020.119687] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/18/2020] [Accepted: 07/20/2020] [Indexed: 02/08/2023]
Abstract
Obtention of customized dosage forms is one of the main attractions of 3D printing in pharmaceuticals. In this sense, children are one of the groups within the population with a greater need for drug doses adapted to their requirements (age, weight, pathological state…), but most 3D printed oral dosages are solid forms and, therefore, not suitable for them. This work developed patient-tailored medicinal gummies, an alternative oral dosage form with eye-catching appearance and appropriate organoleptic characteristics. Four inks were formulated, characterised and 3D printed by means of syringe-based extrusion mechanism. Different tests were performed to ensure reproducibility of the process and validate work methodology for dosage unit fabrication applying basic manufacturing standards. Rheological test helped in evaluating inks printability. Visual characterization concluded that drugmies, apart from a high fidelity in the 3D model shape reproduction, had a bright and uniformly coloured appearance and a pleasant aroma, which made them highly appetising and attractive. The printed gummy oral dosages complied comfortably with the mass uniformity assay regardless of the formulated ink used or the 3D model selected for printing. Ranitidine hydrochloride individual contents were determined using uv-vis spectrophotometry, showing successful results both in dose accuracy, uniformity of drug content and dissolution.
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Affiliation(s)
- Helena Herrada-Manchón
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Instituto Universitario de Química Organometálica "Enrique Moles", Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, C/ Julián Clavería, 8, 33006 Oviedo, Asturias, Spain; Fundación Idonial, Parque Científico y Tecnológico de Gijón, Avda. Jardín Botánico, 1345, 33203 Gijón, Asturias, Spain.
| | - David Rodríguez-González
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Instituto Universitario de Química Organometálica "Enrique Moles", Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, C/ Julián Clavería, 8, 33006 Oviedo, Asturias, Spain; Fundación Idonial, Parque Científico y Tecnológico de Gijón, Avda. Jardín Botánico, 1345, 33203 Gijón, Asturias, Spain
| | - M Alejandro Fernández
- Fundación Idonial, Parque Científico y Tecnológico de Gijón, Avda. Jardín Botánico, 1345, 33203 Gijón, Asturias, Spain
| | - Marc Suñé-Pou
- Departament de Farmàcia, Tecnologia Farmacèutica i Fisicoquímica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Avda. Joan XXIII, 27-31, 08028 Barcelona, Spain; IDIBELL-UB Research Group, Pharmacotherapy, Pharmacogenomics and Pharmaceutical Technology, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Pilar Pérez-Lozano
- Departament de Farmàcia, Tecnologia Farmacèutica i Fisicoquímica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Avda. Joan XXIII, 27-31, 08028 Barcelona, Spain; IDIBELL-UB Research Group, Pharmacotherapy, Pharmacogenomics and Pharmaceutical Technology, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Encarnación García-Montoya
- Departament de Farmàcia, Tecnologia Farmacèutica i Fisicoquímica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Avda. Joan XXIII, 27-31, 08028 Barcelona, Spain; IDIBELL-UB Research Group, Pharmacotherapy, Pharmacogenomics and Pharmaceutical Technology, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Enrique Aguilar
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Instituto Universitario de Química Organometálica "Enrique Moles", Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, C/ Julián Clavería, 8, 33006 Oviedo, Asturias, Spain
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93
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Production of Drug Delivery Systems Using Fused Filament Fabrication: A Systematic Review. Pharmaceutics 2020; 12:pharmaceutics12060517. [PMID: 32517052 PMCID: PMC7356885 DOI: 10.3390/pharmaceutics12060517] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/27/2020] [Accepted: 06/03/2020] [Indexed: 12/23/2022] Open
Abstract
Fused filament fabrication (FFF) 3D printing technology is widely used in many fields. For almost a decade, medical researchers have been exploring the potential use of this technology for improving the healthcare sector. Advances in personalized medicine have been more achievable due to the applicability of producing drug delivery devices, which are explicitly designed based on patients’ needs. For the production of these devices, a filament—which is the feedstock for the FFF 3D printer—consists of a carrier polymer (or polymers) and a loaded active pharmaceutical ingredient (API). This systematic review of the literature investigates the most widely used approaches for producing drug-loaded filaments. It also focusses on several factors, such as the polymeric carrier and the drug, loading capacity and homogeneity, processing conditions, and the intended applications. This review concludes that the filament preparation method has a significant effect on both the drug homogeneity within the polymeric carrier and drug loading efficiency.
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94
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Vartak R, Menon S, Patki M, Billack B, Patel K. Ebselen nanoemulgel for the treatment of topical fungal infection. Eur J Pharm Sci 2020; 148:105323. [DOI: 10.1016/j.ejps.2020.105323] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 03/17/2020] [Accepted: 03/22/2020] [Indexed: 11/25/2022]
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95
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3D printing by fused deposition modeling of single- and multi-compartment hollow systems for oral delivery – A review. Int J Pharm 2020; 579:119155. [DOI: 10.1016/j.ijpharm.2020.119155] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/11/2020] [Accepted: 02/15/2020] [Indexed: 02/08/2023]
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96
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Jennotte O, Koch N, Lechanteur A, Evrard B. Three-dimensional printing technology as a promising tool in bioavailability enhancement of poorly water-soluble molecules: A review. Int J Pharm 2020; 580:119200. [PMID: 32156531 DOI: 10.1016/j.ijpharm.2020.119200] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/03/2020] [Accepted: 03/04/2020] [Indexed: 12/20/2022]
Abstract
Poor aqueous solubility of active pharmaceutical ingredients (API) is nowadays a major issue in the pharmaceutical field. The combinatorial chemistry provides more and more API with a great therapeutic potential, but with a low aqueous solubility. Among the strategies to overcome this drawback, the use of amorphous solid dispersions (ASD), as well as the increase of surface area, is widely used. The three dimensional (3D) printing technologies appear to be innovative tools allowing the construction of any unconventional forms with different composition, structure or infill; especially by using ASD materials. This review aims to deliver notions about the different 3D printing techniques found in the literature to improve aqueous solubility of several API, namely nozzle-based method, inkjet methods and laser- based methods, as well as guide formulator in terms of formulation parameters that have to be optimized to allow the most suitable impression of innovative medicines.
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Affiliation(s)
- Olivier Jennotte
- Laboratory of Pharmaceutical Technology and Biopharmacy, Department of Pharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liege, 4000 Liege, Belgium.
| | - Nathan Koch
- Laboratory of Pharmaceutical Technology and Biopharmacy, Department of Pharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liege, 4000 Liege, Belgium.
| | - Anna Lechanteur
- Laboratory of Pharmaceutical Technology and Biopharmacy, Department of Pharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liege, 4000 Liege, Belgium
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, Department of Pharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liege, 4000 Liege, Belgium
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97
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Persaud S, Eid S, Swiderski N, Serris I, Cho H. Preparations of Rectal Suppositories Containing Artesunate. Pharmaceutics 2020; 12:pharmaceutics12030222. [PMID: 32131543 PMCID: PMC7150883 DOI: 10.3390/pharmaceutics12030222] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 12/22/2022] Open
Abstract
Rectal artesunate suppositories are a useful option for pre-referral treatment of severe malaria, specifically in children under 6 years of age in remote malaria-endemic areas. The main challenges are to improve the solubility of drugs in the rectal fluids and prevent the product from turning rancid or melting in a tropical climate. In this short proof-of-concept study, three types of rectal suppositories of artesunate were prepared: (i) polyethylene glycol (PEG)-based suppositories carrying free artesunate (non-modified artesunate), (ii) PEG-based suppositories carrying artesunate-loaded micelles and (iii) 3D-printed suppositories carrying a PEG/artesunate mixture. Physical parameters of suppositories, release profiles of artesunate (the fastest to the slowest: ii≥i>iii) and thermostability (the most stable to the least stable: iii>ii>i) of suppositories at increased temperature were assessed to determine the advantages and disadvantages of each formulation.
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98
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Wei C, Solanki NG, Vasoya JM, Shah AV, Serajuddin ATM. Development of 3D Printed Tablets by Fused Deposition Modeling Using Polyvinyl Alcohol as Polymeric Matrix for Rapid Drug Release. J Pharm Sci 2020; 109:1558-1572. [PMID: 32004538 DOI: 10.1016/j.xphs.2020.01.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 12/07/2019] [Accepted: 01/15/2020] [Indexed: 12/22/2022]
Abstract
In this study, the processability of polyvinyl alcohol (PVA), a water-soluble polymer, into melt-extruded filaments and then into 3D printed tablets by fused deposition modeling was studied. PVA is semicrystalline with Tg and m.p. of ~45°C and ~190°C, respectively. After screening several plasticizers, sorbitol was selected to enhance melt extrudability of PVA. Carvedilol and haloperidol, 2 basic compounds with pH-dependent solubility, were used as model drugs. Miscibility of the drugs with PVA, with and without added sorbitol as plasticizer, was also tested to determine whether any amorphous solid dispersion was formed that would facilitate rapid and pH-independent dissolution. Finally, the drug release from physical mixtures, crushed extrudates, and printed tablets were determined. Owing to high m.p. and high melt viscosity of PVA, filaments containing 10% and 20% drug required 180°C-190°C for extrusion, which could be reduced to ~150°C by adding 10% sorbitol. The printing temperature of 210°C was, however, required. Miscibility of carvedilol and haloperidol with PVA were, respectively, ~20% and <10%. PVA provided complete drug release from 3D printed tablets with 10% and 20% carvedilol and 60% infill in ~45 min at both pH 2 and 6.8. However, despite relatively rapid dissolution rate, high processing temperature and limited drug-polymer miscibility could be potential development issues with PVA.
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Affiliation(s)
- Can Wei
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York 11439
| | - Nayan G Solanki
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York 11439
| | - Jaydip M Vasoya
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York 11439
| | - Ankita V Shah
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York 11439
| | - Abu T M Serajuddin
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York 11439.
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99
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Chen D, Xu XY, Li R, Zang GA, Zhang Y, Wang MR, Xiong MF, Xu JR, Wang T, Fu H, Hu Q, Wu B, Yan GR, Fan TY. Preparation and In vitro Evaluation of FDM 3D-Printed Ellipsoid-Shaped Gastric Floating Tablets with Low Infill Percentages. AAPS PharmSciTech 2019; 21:6. [PMID: 31754916 DOI: 10.1208/s12249-019-1521-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 08/26/2019] [Indexed: 02/04/2023] Open
Abstract
The aim of the study is to investigate the feasibility of fabricating FDM 3D-printed gastric floating tablets with low infill percentages and the effect of infill percentage on the properties of gastric floating tablets in vitro. Propranolol hydrochloride was selected as a model drug, and drug-loaded polyvinyl alcohol (PVA) filaments were produced by hot melt extrusion (HME). Ellipsoid-shaped gastric floating tablets with low infill percentage of 15% and 25% (namely E-15 and E-25) were then prepared respectively by feeding the extruded filaments to FDM 3D printer. Thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray powder diffraction (XRD), and scanning electron microscopy (SEM) were employed to characterize the filaments and 3D-printed tablets, and a series of evaluations were performed to the 3D-printed tablets, including the weight variation, drug content, hardness, in vitro floating behavior, and drug release of the tablets. The SEM results showed that the drug-loaded filaments and 3D-printed tablets appeared intact without defects, and the printed tablets were composed of filaments deposited uniformly layer by layer. The model drug and the excipients were thermally stable under the process temperature of extruding and printing, with a small amount of drug crystals dispersing in the drug-loaded filaments and 3D-printed tablets. Both E-15 and E-25 could float on artificial gastric fluids without any lag time and released in a sustained manner. Compared with E-15, the E-25 presented less weight variation, higher tablet hardness, shorter floating time, and longer drug release time.
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100
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Nukala PK, Palekar S, Patki M, Fu Y, Patel K. Multi-dose oral abuse deterrent formulation of loperamide using hot melt extrusion. Int J Pharm 2019; 569:118629. [PMID: 31425818 DOI: 10.1016/j.ijpharm.2019.118629] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 08/02/2019] [Accepted: 08/13/2019] [Indexed: 01/01/2023]
Abstract
Loperamide, an over the counter anti-diarrheal drug, also infamously referred to as "poor man's methadone". Due to the ease of availability and low price, people/patients abuse it by consuming more than 30 tablets to achieve euphoric effect and to combat opioid withdrawal. But supratherapeutic doses of loperamide result in severe respiratory depression, cardiac dysrhythmia and mortality. To address this issue, we developed a unique and innovative technology to deter multi-dose oral abuse. The concept is to design a tablet which can immediate release loperamide in diarrheic patients (single tablet) while stops loperamide release in case of intentional multi-dose ingestion. Loperamide was molecularly dispersed into gastric soluble cationic polymers - Eudragit® EPO and Kollicoat® Smartseal 100P using hot melt extrusion to obtain filament. Filaments were milled and compressed into tablets ((Eudragit® EPO (SJU1) and Kollicoat® Smartseal (SJU2)) with optimized amount of L-Arginine. Dissolution in 250 mL of Fasted state simulated gastric fluid (FaSSGF) revealed that single tablet of Imodium® (marketed formulation) and SJU1 showed >85% of release within 15 min. Most importantly, in multi-unit dissolution (15 tablets), Imodium® exhibited >90% release but SJU tablets showed <2% of drug release thus demonstrating its ability to deter multi-dose oral abuse.
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Affiliation(s)
- Pavan Kumar Nukala
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States
| | - Siddhant Palekar
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States
| | - Manali Patki
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States
| | - Yige Fu
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States
| | - Ketan Patel
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, United States.
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