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Roche A, Sanchez-Ballester NM, Bataille B, Delannoy V, Soulairol I. Fused Deposition Modelling 3D printing and solubility improvement of BCS II and IV active ingredients - A narrative review. J Control Release 2024; 365:507-520. [PMID: 38036003 DOI: 10.1016/j.jconrel.2023.11.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 11/10/2023] [Accepted: 11/21/2023] [Indexed: 12/02/2023]
Abstract
In the field of pharmaceutical research and development, Fused Deposition Modelling (FDM) 3D printing (3DP) has aroused growing interest within the last ten years. The use of thermoplastic polymers, combined with the melting process of the raw materials, offers the possibility of manufacturing amorphous solid dispersions (ASDs). In the pharmaceutical industry, the formulation of an ASD is a widely used strategy to improve the solubility of poorly soluble drugs (classified by the Biopharmaceutical Classification System (BCS) as class II and IV). In this review, an analysis of studies that have developed a FDM printed form containing a BCS class II or IV active substance was performed. The focus has been placed on the evaluation of the solid state of the active molecules (crystalline or amorphous) and on the study of their dissolution profile. Thus, the aim of this work is to highlight the interest of FDM 3DP to induce the amorphisation phenomenon of Class II and IV active substances by forming an ASD, and as result improving their solubility.
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Affiliation(s)
- Agnès Roche
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Noelia M Sanchez-Ballester
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France.
| | - Bernard Bataille
- Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Violaine Delannoy
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France
| | - Ian Soulairol
- ICGM, Montpellier University, CNRS, ENSCM, Montpellier, France; Department of Pharmacy, Nîmes University Hospital, Nîmes, France.
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Zhang B, Belton P, Teoh XY, Gleadall A, Bibb R, Qi S. An investigation into the effects of ink formulations of semi-solid extrusion 3D printing on the performance of printed solid dosage forms. J Mater Chem B 2023; 12:131-144. [PMID: 38050731 DOI: 10.1039/d3tb01868g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Semi-solid extrusion (SSE) 3D printing has recently attracted increased attention for its pharmaceutical application as a potential method for small-batch manufacturing of personalised solid dosage forms. It has the advantage of allowing ambient temperature printing, which is especially beneficial for the 3D printing of thermosensitive drugs. In this study, the effects of polymeric compositions (single hydroxypropyl methylcellulose (HPMC) system and binary HPMC + polyvinylpyrrolidone (PVP) system), disintegrant (silicon oxide (SiO2)), and active pharmaceutical ingredients (tranexamic acid (TXA) and paracetamol (PAC)) on the printability of semisolid inks and the qualities of SSE printed drug-loaded tablets were investigated. Printability is defined by the suitability of the material for the process in terms of its physical properties during extrusions and post-extrusion, including rheology, solidification time, avoiding slumping, etc. The rheological properties of the inks were investigated as a function of polymeric compositions and drug concentrations and further correlated with the printability of the inks. The SSE 3D printed tablets were subjected to a series of physicochemical properties characterisations and in vitro drug release performance evaluations. The results indicated that an addition of SiO2 would improve 3D printing shape fidelity (e.g., pore area and porosity) by altering the ink rheology. The pores of HPMC + PVP + 5PAC prints completely disappeared after 12 hours of drying (pore area = 0 mm2). An addition of SiO2 significantly improved the pore area of the prints which are 3.5 ± 0.1 mm2. It was noted that the drug release profile of PAC significantly increased (p < 0.05) when additive SiO2 was incorporated in the formulation. This could be due to a significantly higher porosity of HPMC + PVP + SiO2 + PAC (70.3 ± 0.2%) compared to HPMC + PVP + PAC (47.6 ± 2.1%). It was also likely that SiO2 acted as a disintegrant speeding up the drug release process. Besides, the incorporation of APIs with different aqueous solubilities, as well as levels of interaction with the polymeric system showed significant impacts on the structural fidelity and subsequently the drug release performance of 3D printed tablets.
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Affiliation(s)
- Bin Zhang
- School of Pharmacy, University of East Anglia, Norwich, UK.
- Department of Mechanical and Aerospace Engineering, Brunel University London, London, UK.
| | - Peter Belton
- School of Chemistry, University of East Anglia, Norwich, UK
| | - Xin Yi Teoh
- School of Pharmacy, University of East Anglia, Norwich, UK.
- School of Pharmacy, University College London, London, UK
| | - Andrew Gleadall
- Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, UK
| | - Richard Bibb
- Nottingham School of Art & Design, Nottingham Trent University, UK
| | - Sheng Qi
- School of Pharmacy, University of East Anglia, Norwich, UK.
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Eisele L, Heuer A, Weidenmann KA, Liebig WV. Can Different Parameter Sets Lead to Equivalent Optima between Geometric Accuracy and Mechanical Properties in Arburg Plastic Freeforming? Polymers (Basel) 2023; 15:polym15061516. [PMID: 36987296 PMCID: PMC10054619 DOI: 10.3390/polym15061516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Technological advances have led to the increased use of plastic-based additive manufacturing processes for the production of consumer goods and spare parts. For this reason, the need for the best possible mechanical properties while maintaining geometric accuracy is becoming increasingly important. One of these additive manufacturing processes is the Arburg Plastic Freeforming process, which differs from the widely used Fused Filament Fabrication process in the way that droplets are discharged along a track instead of continuous extruded tracks. As with all other plastic-based additive manufacturing processes, due to the round shape of the tracks, voids occur between the individual tracks during manufacturing, which effects mechanical properties. In contrast to previous work, which mainly focused on how the mechanical properties change with a change in a single printing parameter, this work focused more closely on the interaction of three relevant printing parameters considered as a parameter set. Their influence on the mechanical properties was investigated by tensile tests, the influence on the residual porosity by density measurements and the influence on the geometric accuracy by surface roughness measurements. It was shown that by considering the parameters as a parameter set, states of high density and therefore high mechanical properties while reaching minimal surface roughness can be achieved for significantly more combinations than previously assumed. However, for these states the residual porosity was slightly different. This difference was explained by a parameter-dependent deformation factor of the droplets, which influences the maximal possible degree of filling during manufacturing. For the optimization of arbitrary parameter sets, an analytical model was derived.
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Affiliation(s)
- Lars Eisele
- Institute for Applied Materials-Materials Science and Engineering (IAM-WK), Karlsruhe Institute of Technology (KIT), Kaiserstrasse 12, 76131 Karlsruhe, Germany
| | - Anselm Heuer
- Institute for Applied Materials-Materials Science and Engineering (IAM-WK), Karlsruhe Institute of Technology (KIT), Kaiserstrasse 12, 76131 Karlsruhe, Germany
| | - Kay A Weidenmann
- Institute of Materials Resource Management (MRM), University of Augsburg, Am Technologiezentrum 8, 86159 Augsburg, Germany
| | - Wilfried V Liebig
- Institute for Applied Materials-Materials Science and Engineering (IAM-WK), Karlsruhe Institute of Technology (KIT), Kaiserstrasse 12, 76131 Karlsruhe, Germany
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Bassand C, Benabed L, Charlon S, Verin J, Freitag J, Siepmann F, Soulestin J, Siepmann J. 3D printed PLGA implants: APF DDM vs. FDM. J Control Release 2023; 353:864-874. [PMID: 36464064 DOI: 10.1016/j.jconrel.2022.11.052] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/21/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022]
Abstract
3D Printing offers a considerable potential for personalized medicines. This is especially true for customized biodegradable implants, matching the specific needs of each patient. Poly(lactic-co-glycolic acid) (PLGA) is frequently used as matrix former in biodegradable implants. However, yet relatively little is known on the technologies, which can be used for the 3D printing of PLGA implants. The aim of this study was to compare: (i) Arburg Plastic Freeforming Droplet Deposition Modeling (APF DDM), and (ii) Fused Deposition Modeling (FDM) to print mesh-shaped, ibuprofen-loaded PLGA implants. During APF DDM, individual drug-polymer droplets are deposited, fusing together to form filaments, which build up the implants. During FDM, continuous drug-polymer filaments are deposited to form the meshes. The implants were thoroughly characterized before and after exposure to phosphate buffer pH 7.4 using optical and scanning electron microscopy, GPC, DSC, drug release measurements and monitoring dynamic changes in the systems' dry & wet mass and pH of the bulk fluid. Interestingly, the mesh structures were significantly different, although the device design (composition & theoretical geometry) were the same. This could be explained by the fact that the deposition of individual droplets during APF DDM led to curved and rather thick filaments, resulting in a much lower mesh porosity. In contrast, FDM printing generated straight and thinner filaments: The open spaces between them were much larger and allowed convective mass transport during drug release. Consequently, most of the drug was already released after 4 d, when substantial PLGA set on. In the case of APF DDM printed implants, most of the drug was still entrapped at that time point and substantial polymer swelling transformed the meshes into more or less continuous PLGA gels. Hence, the diffusion pathways became much longer and ibuprofen release was controlled over 2 weeks.
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Affiliation(s)
- C Bassand
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - L Benabed
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - S Charlon
- IMT Lille Douai, École Nationale Supérieure Mines-Télécom Lille Douai, Materials & Processes Center, Cité Scientifique, Villeneuve d'Ascq Cedex, France
| | - J Verin
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - J Freitag
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - F Siepmann
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - J Soulestin
- IMT Lille Douai, École Nationale Supérieure Mines-Télécom Lille Douai, Materials & Processes Center, Cité Scientifique, Villeneuve d'Ascq Cedex, France
| | - J Siepmann
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France.
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Wang N, Shi H, Yang S. 3D printed oral solid dosage form: Modified release and improved solubility. J Control Release 2022; 351:407-431. [PMID: 36122897 DOI: 10.1016/j.jconrel.2022.09.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 11/29/2022]
Abstract
Oral solid dosage form is currently the most common used form of drug. 3D Printing, also known as additive manufacturing (AM), can quickly print customized and individualized oral solid dosage form on demand. Compared with the traditional tablet manufacturing process, 3D Printing has many advantages. By rationally selecting the formulation composition and cleverly designing the printing structure, 3D printing can improve the solubility of the drug and achieve precise modify of the drug release. 3D printed oral solid dosage form, however, still has problems such as limitations in formulation selection. And the selection process of the formulation lacks scientificity and standardization. Structural design of some 3D printing approaches is relatively scarce. This article reviews the formulation selection and structure design of 3D printed oral solid dosage form, providing more ideas for achieving modified drug release and solubility improvement of 3D printed oral solid dosage form through more scientific and extensive formulation selection and more sophisticated structural design.
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Affiliation(s)
- Ning Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, 110001 Shenyang, Liaoning Province, PR China
| | - Huixin Shi
- Department of Plastic Surgery, The First Hospital of China Medical University, 110001 Shenyang, Liaoning Province, PR China
| | - Shude Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, 110001 Shenyang, Liaoning Province, PR China; Liaoning Provincial Key Laboratory of Oral Diseases, School of Stomatology and Department of Oral Pathology, School of Stomatology, China Medical University, 110001 Shenyang, Liaoning Province, PR China.
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An investigation into the effects of geometric scaling and pore structure on drug dose and release of 3D printed solid dosage forms. Eur J Pharm Biopharm 2022; 177:113-125. [PMID: 35779743 DOI: 10.1016/j.ejpb.2022.06.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/24/2022] [Accepted: 06/27/2022] [Indexed: 11/20/2022]
Abstract
A range of 3D printing methods have been investigated intensively in the literature for manufacturing personalised solid dosage forms, with infill density commonly used to control release rates. However, there is limited mechanistic understanding of the impacts of infill adjustments on in vitro performance when printing tablets of constant dose. In this study, the effects and interplay of infill pattern and tablet geometry scaling on dose and drug release performance were investigated. Paracetamol (PAC) was used as a model drug. An immediate release erodible system (Eudragit E PO) and an erodible swellable system (Soluplus) were prepared via wet granulation into granules and printed using Arburg Plastic Freeforming (APF). Both binary formulations, despite not FDM printable, were successfully APF printed and exhibited good reproducibility compared to pharmacopoeia specification. The physical form of the drug and its integrity following granulation and printing was assessed using DSC, PXRD and ATR-FTIR. Two infill patterns (SM1 and SM2) were employed to print tablets with equal porosity, but different pore size, structure and surface area to volume ratio (SA/V). Geometry scaling (tablet height and diameter) of Eudragit-PAC tablets was not found to significantly influence the release rate of the tablets with 30 to 70% infill density. When increased to 90% infill density, geometric scaling was found to have a significant effect on release rate with the constant diameter tablet releasing faster than the constant height tablet. Soluplus-PAC tablets printed using different infill patterns demonstrated similar release profiles, due to swelling. Geometric parameters were found to significantly influence release profiles for tablets printed at certain infill densities giving new insight into how software parameters can be used to tune drug release.
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