1
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Setoguchi S, Goto S, Matsunaga K. Potential of Powder Rheology for Detecting Unforeseen Cross-Contamination of Foreign Active Pharmaceutical Ingredients. AAPS PharmSciTech 2024; 25:138. [PMID: 38890193 DOI: 10.1208/s12249-024-02856-0] [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: 02/21/2024] [Accepted: 05/28/2024] [Indexed: 06/20/2024] Open
Abstract
Unexpected cross-contamination by foreign components during the manufacturing and quality control of pharmaceutical products poses a serious threat to the stable supply of drugs and the safety of customers. In Japan, in 2020, a mix-up containing a sleeping drug went undetected by liquid chromatography during the final quality test because the test focused only on the main active pharmaceutical ingredient (API) and known impurities. In this study, we assessed the ability of a powder rheometer to analyze powder characteristics in detail to determine whether it can detect the influence of foreign APIs on powder flow. Aspirin, which was used as the host API, was combined with the guest APIs (acetaminophen from two manufacturers and albumin tannate) and subsequently subjected to shear and stability tests. The influence of known lubricants (magnesium stearate and leucine) on powder flow was also evaluated for standardized comparison. Using microscopic morphological analysis, the surface of the powder was observed to confirm physical interactions between the host and guest APIs. In most cases, the guest APIs were statistically detected due to characteristics such as their powder diameter, pre-milling, and cohesion properties. Furthermore, we evaluated the flowability of a formulation incorporating guest APIs for direct compression method along with additives such as microcrystalline cellulose, potato starch, and lactose. Even in the presence of several additives, the influence of the added guest APIs was successfully detected. In conclusion, powder rheometry is a promising method for ensuring stable product quality and reducing the risk of unforeseen cross-contamination by foreign APIs.
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Affiliation(s)
- Shuichi Setoguchi
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka- shi, Fukuoka, 814-0180, Japan.
| | - Shotaro Goto
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka- shi, Fukuoka, 814-0180, Japan
| | - Kazuhisa Matsunaga
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka- shi, Fukuoka, 814-0180, Japan
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2
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Suksaeree J, Monton C, Chankana N, Charoenchai L. Microcrystalline cellulose promotes superior direct compressed Boesenbergia rotunda (L.) Mansf. extract tablet properties to spray-dried rice starch and spray-dried lactose. ARAB JOURNAL OF BASIC AND APPLIED SCIENCES 2023. [DOI: 10.1080/25765299.2022.2153527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Jirapornchai Suksaeree
- Department of Pharmaceutical Chemistry, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Chaowalit Monton
- Drug and Herbal Product Research and Development Center, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Natawat Chankana
- Sun Herb Thai Chinese Manufacturing, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Laksana Charoenchai
- Drug and Herbal Product Research and Development Center, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
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3
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Vassaki M, Hadjicharalambous C, Turhanen PA, Demadis KD. Structural Diversity in Antiosteolytic Bisphosphonates: Deciphering Structure-Activity Trends in Ultra Long Controlled Release Phenomena. ACS APPLIED BIO MATERIALS 2023; 6:5563-5581. [PMID: 37982716 DOI: 10.1021/acsabm.3c00770] [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] [Indexed: 11/21/2023]
Abstract
Bisphosphonate (BP)-based treatments have been extensively prescribed for bone-related conditions, particularly for osteoporosis. Their low bioavailability creates the need for prescribed dosage increase to reach therapeutic levels but generates a plethora of undesirable side effects. A viable approach to alleviating these issues is to design and exploit controlled release strategies. Herein, the controlled release profiles of 15 structurally characterized BPs (actual drugs and structural analogs) were thoroughly studied from tablets containing three (cellulose, lactose, and silica) or two (cellulose, and silica) excipients in human stomach-simulated pH conditions. The BPs were of two types, alkyl-BPs and amino-BPs. Alkyl-BPs included four derivatives of etidronate (acid, disodium, tetra-sodium, and monopotassium forms), medronic acid, and three analogs of etidronate, in which the -CH3 group was replaced by the moieties -H, -CH2CH2CH3, and -CH2CH2CH2CH2CH3. Amino-BPs included the commercial drugs pamidronate, alendronate, neridronate, and ibandronate, as well as three analog compounds. Release curves were constructed based on data taken from 1H NMR peak integration and were expressed as "% BP release" vs time. The controlled release profiles (initial release rate, plateau value, etc.) were correlated with certain structural features (number of hydrogen and metal-oxygen bonds), showing that the molecular and crystal lattice features of each BP profoundly influence its release characteristics. It was concluded that for all BPs, in general, the initial rate became lower as the total number of lattice interactions increased. For the alkyl-BPs elongation of the alkyl side chain seems to decelerate the release. Amino-BPs, in general, show slower release than the alkyl-BPs. No adverse effects of alkyl- and amino-BP drugs on NIH3T3 cell viability were noted.
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Affiliation(s)
- Maria Vassaki
- Crystal Engineering, Growth and Design Laboratory, Department of Chemistry, University of Crete, Heraklion, Crete GR-71003, Greece
| | | | - Petri A Turhanen
- University of Eastern Finland, School of Pharmacy, Biocenter Kuopio, P.O. Box 1627, Kuopio FIN-70211, Finland
| | - Konstantinos D Demadis
- Crystal Engineering, Growth and Design Laboratory, Department of Chemistry, University of Crete, Heraklion, Crete GR-71003, Greece
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4
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Alrobaian M, Alalaiwe A, Almalki ZS, Fayed MH. Application of Response Surface Methodology to Improve the Tableting Properties of Poorly Compactable and High-Drug-Loading Canagliflozin Using Nano-Sized Colloidal Silica. Pharmaceutics 2023; 15:2552. [PMID: 38004532 PMCID: PMC10674408 DOI: 10.3390/pharmaceutics15112552] [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: 09/23/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Designing a robust direct compression (DC) formulation for an active pharmaceutical ingredient (API) with poor flow and compaction properties at a high API load is challenging. This study tackled two challenges: the unfavorable flow characteristics and tableting problems associated with a high-drug-loading canagliflozin (CNG), facilitating high-speed DC tableting. This was accomplished through a single-step dry coating process using hydrophilic nano-sized colloidal silica. A 32 full-factorial experimental design was carried out to optimize the independent process variables, namely, the weight percent of silica nanoparticles (X1) and mixing time (X2). Flow, bulk density, and compaction properties of CNG-silica blends were investigated, and the optimized blend was subsequently compressed into tablets using the DC technique. A regression analysis exhibited a significant (p ≤ 0.05) influence of both X1 and X2 on the characteristics of CNG with a predominant effect of X1. Additionally, robust tablets were produced from the processed powders in comparison with those from the control batch. Furthermore, the produced tablets showed significantly lower tablet ejection forces than those from the control batch, highlighting the lubrication impact of the silica nanoparticles. Interestingly, these tablets displayed improved disintegration time and dissolution rates. In conclusion, a dry coating process using silica nanoparticles presents a chance to address the poor flow and tableting problems of CNG, while minimizing the need for excessive excipients, which is crucial for the effective development of a small-sized tablet and the achievement of a cost-effective manufacturing process.
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Affiliation(s)
- Majed Alrobaian
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Taif 21944, Saudi Arabia;
| | - Ahmed Alalaiwe
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj 11942, Saudi Arabia;
| | - Ziyad S. Almalki
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj 11942, Saudi Arabia;
| | - Mohamed H. Fayed
- Department of Pharmaceutics, College of Pharmacy, University of Hafr Albatin, Hafr Albatin 31991, Saudi Arabia
- Department of Pharmaceutics, Faculty of Pharmacy, Fayoum University, Fayoum 63514, Egypt
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5
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Jones-Salkey O, Chu Z, Ingram A, Windows-Yule CRK. Reviewing the Impact of Powder Cohesion on Continuous Direct Compression (CDC) Performance. Pharmaceutics 2023; 15:1587. [PMID: 37376036 DOI: 10.3390/pharmaceutics15061587] [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: 04/03/2023] [Revised: 05/08/2023] [Accepted: 05/10/2023] [Indexed: 06/29/2023] Open
Abstract
The pharmaceutical industry is undergoing a paradigm shift towards continuous processing from batch, where continuous direct compression (CDC) is considered to offer the most straightforward implementation amongst powder processes due to the relatively low number of unit operations or handling steps. Due to the nature of continuous processing, the bulk properties of the formulation will require sufficient flowability and tabletability in order to be processed and transported effectively to and from each unit operation. Powder cohesion presents one of the greatest obstacles to the CDC process as it inhibits powder flow. As a result, there have been many studies investigating potential manners in which to overcome the effects of cohesion with, to date, little consideration of how these controls may affect downstream unit operations. The aim of this literature review is to explore and consolidate this literature, considering the impact of powder cohesion and cohesion control measures on the three-unit operations of the CDC process (feeding, mixing, and tabletting). This review will also cover the consequences of implementing such control measures whilst highlighting subject matter which could be of value for future research to better understand how to manage cohesive powders for CDC manufacture.
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Affiliation(s)
- Owen Jones-Salkey
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, UK
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
| | - Zoe Chu
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, UK
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
| | - Andrew Ingram
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
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Parekh BV, Saddik JS, Patel DB, Dave RH. Evaluating the effect of glidants on tablet sticking propensity of ketoprofen using powder rheology. Int J Pharm 2023; 635:122710. [PMID: 36773731 DOI: 10.1016/j.ijpharm.2023.122710] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/20/2023] [Accepted: 02/05/2023] [Indexed: 02/11/2023]
Abstract
Punch sticking has been a leading drawback that has challenged successful tablet manufacturing since its initial conception. Due to the capricious nature of the complication, this can arise during any phase of the development process. Even now, identifying such a problem is a prerequisite during the initial stage of development. The present study evaluated the role of Aerosil®200, talc, and Syloid®244 as glidants in varying amounts ranging from 0.0 percent to 2.0 percent w/w on tablets sticking relatively to five different metal surfaces, with ketoprofen as the model drug. Powder rheology is a predictable technique used to calculate the sticking index. The sticking index of each formulation in comparison to each metal coupon was identified by calculating the kinematic angle of internal friction and the angle of wall friction using the shear cell test and wall friction test, respectively. Interestingly, glidants were found to reduce the sticking propensity of the powder blend in a concentration-dependent manner. In addition, the compression study validated the expected sticking tendency ranking order. According to the research data, the sticking index could effectively be utilized to envisage the possibility of tablet sticking, i.e., by selecting the formulation's excipient and their percentages or selecting appropriate punched metal surfaces in the tableting process.
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Affiliation(s)
- Bhavin V Parekh
- Arnold and Marine Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA; Natoli Institute for Industrial Pharmacy Research and Development, Long Island University, Brooklyn, NY, USA
| | | | - Devang B Patel
- Natoli Scientific, A Division of Natoli Engineer Company, Inc., Telford, PA, USA
| | - Rutesh H Dave
- Arnold and Marine Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA; Natoli Institute for Industrial Pharmacy Research and Development, Long Island University, Brooklyn, NY, USA.
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7
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Chen FC, Liu WJ, Zhu WF, Yang LY, Zhang JW, Feng Y, Ming LS, Li Z. Surface Modifiers on Composite Particles for Direct Compaction. Pharmaceutics 2022; 14:pharmaceutics14102217. [PMID: 36297653 PMCID: PMC9612340 DOI: 10.3390/pharmaceutics14102217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/13/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Direct compaction (DC) is considered to be the most effective method of tablet production. However, only a small number of the active pharmaceutical ingredients (APIs) can be successfully manufactured into tablets using DC since most APIs lack adequate functional properties to meet DC requirements. The use of suitable modifiers and appropriate co-processing technologies can provide a promising approach for the preparation of composite particles with high functional properties. The purpose of this review is to provide an overview and classification of different modifiers and their multiple combinations that may improve API tableting properties or prepare composite excipients with appropriate co-processed technology, as well as discuss the corresponding modification mechanism. Moreover, it provides solutions for selecting appropriate modifiers and co-processing technologies to prepare composite particles with improved properties.
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Affiliation(s)
- Fu-Cai Chen
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Wen-Jun Liu
- Jiangzhong Pharmaceutical Co., Ltd., Nanchang 330049, China
| | - Wei-Feng Zhu
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Ling-Yu Yang
- Jiangzhong Pharmaceutical Co., Ltd., Nanchang 330049, China
| | - Ji-Wen Zhang
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yi Feng
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Liang-Shan Ming
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Correspondence: (L.-S.M.); (Z.L.); Tel.: +86-791-8711-9027 (L.-S.M. & Z.L.)
| | - Zhe Li
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Correspondence: (L.-S.M.); (Z.L.); Tel.: +86-791-8711-9027 (L.-S.M. & Z.L.)
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8
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Jezerska L, Prokes R, Gelnar D, Zegzulka J. Hard gelatine capsules: DEM supported experimental study of particle arrangement effect on properties and vibrational transport behaviour. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2022.117525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Design-of-experiment approach to quantify the effect of nano-sized silica on tableting properties of microcrystalline cellulose to facilitate direct compression tableting of binary blend containing a low-dose drug. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Insight into the dust explosion hazard of pharmaceutical powders in the presence of flow aids. J Loss Prev Process Ind 2022. [DOI: 10.1016/j.jlp.2021.104655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Tranová T, Macho O, Loskot J, Mužíková J. Study of rheological and tableting properties of lubricated mixtures of co-processed dry binders for orally disintegrating tablets. Eur J Pharm Sci 2022; 168:106035. [PMID: 34634469 DOI: 10.1016/j.ejps.2021.106035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 08/30/2021] [Accepted: 10/06/2021] [Indexed: 11/19/2022]
Abstract
Co-processed dry binders for ODTs are important multifunctional excipients for tablet manufacturing by direct compression. Testing their binary mixtures with lubricants is an important aspect of their use in combination with drugs. The aim of this study was to evaluate the rheological and compression properties of lubricated mixtures of co-processed dry binders Parteck® ODT, Prosolv® ODT G2 and Ludiflash®, and subsequently also the compactability and disintegration time of the tablets made thereof. The lubricants employed were magnesium stearate and sodium stearyl fumarate in the concentrations of 0.5% and 1%. The best flowability was shown by Prosolv® ODT G2 combined with magnesium stearate in the concentration of 0.5%. Lubricated mixtures with Prosolv® ODT G2 showed a lower angle of internal friction as well as lower pre-compression energy values. The values of plastic deformation energy were the highest in the case of Prosolv® ODT G2, which was also reflected in the highest tablet strength. On the contrary, the ejection force values were the lowest for this co-processed dry binder. Magnesium stearate reduced the ejection force more effectively than sodium stearyl fumarate. Prosolv® ODT G2 tablets exhibited the highest tensile strength and shortest disintegration time.
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Affiliation(s)
- Thao Tranová
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Oliver Macho
- Institute of Process Engineering, Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Nám. slobody 17, 812 31 Bratislava 1, Slovakia.
| | - Jan Loskot
- Department of Physics, Faculty of Science, University of Hradec Králové, Rokitanského 62, 500 03 Hradec Králové, Czech Republic
| | - Jitka Mužíková
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
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12
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Schönfeld BV, Westedt U, Wagner KG. Compression of amorphous solid dispersions prepared by hot-melt extrusion, spray drying and vacuum drum drying. Int J Pharm X 2021; 3:100102. [PMID: 34877525 PMCID: PMC8632852 DOI: 10.1016/j.ijpx.2021.100102] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 11/29/2022] Open
Abstract
The present study explored vacuum drum drying (VDD) as an alternative technology for amorphous solid dispersions (ASDs) manufacture compared to hot-melt extrusion (HME) and spray drying (SD) focusing on downstream processability (powder properties, compression behavior and tablet performance). Ritonavir (15% w/w) in a copovidone/sorbitan monolaurate matrix was used as ASD model system. The pure ASDs and respective tablet blends (TB) (addition of filler, glidant, lubricant) were investigated. Milled extrudate showed superior powder properties (e.g., flowability, bulk density) compared to VDD and SD, which could be compensated by the addition of 12.9% outer phase. Advantageously, the VDD intermediate was directly compressible, whereas the SD material was not, resulting in tablets with defects based on a high degree of elastic recovery. Compared to HME, the VDD material showed superior tabletability when formulated as TB, resulting in stronger compacts at even lower solid fraction values. Despite the differences in tablet processing, tablets showed similar tablet performance in terms of disintegration and dissolution independent of the ASD origin. In conclusion, VDD is a valid alternative to manufacture ASDs. VDD offered advantageous downstream processability compared to SD: less solvents and process steps required (no second drying), improved powder properties and suitable for direct compression. ASD technology has influence on particle morphology Compression behavior dominated by particle morphology Vacuum drum dried intermediate direct compressible into tablets Vacuum drum dried material shows better tabletability as milled extrudate ASD technology: no impact on tablet disintegration/dissolution
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Key Words
- API, active pharmaceutical ingredient
- ASD, amorphous solid dispersion
- Amorphous solid dispersion
- CP, compaction pressure
- Compression analysis
- D, tablet diameter
- Downstream processing
- FFC, flow function coefficient
- HME, hot-melt extrusion
- Hot-melt extrusion
- LOD, loss on drying
- P, breaking force
- PSD, particle size distribution
- PSmin, minimal punch separation
- RTV, ritonavir
- Ritonavir
- SD, spray drying
- SE, secondary electron
- SEM, scanning electron microscope
- SF, solid fraction
- SSA, specific surface area
- Spray drying
- TER, Total elastic recovery
- TS, tensile strength
- Tg, glass transition temperature
- V, volume
- VDD, vacuum drum drying
- Vacuum drum drying
- X-ray μCT, X-ray microcomputed tomography
- f1, difference factor
- f2, similarity factor
- n.d., not determined
- na, not applicable
- t, tablet thickness
- w, tablet wall height
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Affiliation(s)
- Barbara V. Schönfeld
- Department of Pharmaceutical Technology, University of Bonn, Gerhard-Domagk-Straße 3, 53121 Bonn, Germany
- AbbVie Deutschland GmbH & Co. KG, Knollstraße 50, 67061 Ludwigshafen, Germany
| | - Ulrich Westedt
- AbbVie Deutschland GmbH & Co. KG, Knollstraße 50, 67061 Ludwigshafen, Germany
| | - Karl G. Wagner
- Department of Pharmaceutical Technology, University of Bonn, Gerhard-Domagk-Straße 3, 53121 Bonn, Germany
- Corresponding author.
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13
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Salústio PJ, Monteiro MF, Nunes T, Sousa E Silva JP, Costa PJ. Starch flow behavior alone and under different glidants action using the shear cell method. Drug Dev Ind Pharm 2021; 47:1502-1511. [PMID: 34758690 DOI: 10.1080/03639045.2021.2004158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The objective of this work was to analyze the flow behavior of a commonly used filler (pregelatinised starch) and the effect of two of the most used lubricants (talc and colloidal silicon dioxide). The studies were carried out according to the conventional methods (Angle of Repose, Bulk and Tapped densities and from these the Compressibility Index) and shear cell methods (Brookfield Powder Flow Tester apparatus) described in European Pharmacopeia (Ph. Eur.). The results showed some surprising and unexpected values for the flow behavior of this filler under influence of the methods and the used glidants. Regarding pure starch and mixtures containing talc, the flow behavior was similar between them and the Flow Index (ffc) values varied between 1.8 and 4 (very cohesive and cohesive) as consolidation stress (σ1) increased. In this case, the glidant effect was not observed. However, for the mixtures of starch with colloidal silicon dioxide this effect was observed providing Flow Index (ffc) values between 2.6 and 8.9 (cohesive and easy-flowing) as consolidation stress (σ1) increased. Other parameters that are also used to characterize flow properties, more specifically, within silos, chutes and hoppers, such as effective angle of internal friction (φe), effective angle of wall friction (φx), critical arching and critical rathole values, provided similar information. Based in the obtained results from all tests it can be said that the talc did not induce improvement on the starch flow behavior in the used conditions in opposition to the effect produced by colloidal silicon dioxide.HighlightsExample 1. A good flowability of powders is needed in order to be compressed/filled;Example 2. The overcome the poor flow it is usual to use glidants;Example 3. CSD improved the pregelatinised starch (Starch 1500®) flow;Example 4. Talc do not have relevant effect in the pregelatinised starch (Starch 1500®) flow;Example 5. Powder FlowTester method showed more complete and consistent results.
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Affiliation(s)
- Paulo J Salústio
- Research Institute for Medicines and Pharmaceutical Sciences (iMed.UL), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - Maria F Monteiro
- Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Telmo Nunes
- Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - José P Sousa E Silva
- UCIBIO, REQUIMTE, MedTech - Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Paulo J Costa
- UCIBIO, REQUIMTE, MedTech - Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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14
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Systematic study of paracetamol powder mixtures and granules tabletability: Key role of rheological properties and dynamic image analysis. Int J Pharm 2021; 608:121110. [PMID: 34547394 DOI: 10.1016/j.ijpharm.2021.121110] [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: 06/23/2021] [Revised: 09/07/2021] [Accepted: 09/14/2021] [Indexed: 12/31/2022]
Abstract
The aim of this systematic study was to analyze the granulometric and rheological behavior of tableting mixtures in relation to tabletability by single tablet and lab-scale batch compression with an eccentric tablet machine. Three mixtures containing 33, 50, and 66% of the cohesive drug paracetamol were prepared. The high compressibility of the powder mixtures caused problems with overcompaction or lamination in the single tablet compression method; due to jamming of the material during the filling of the die, the lab-scale batch compression was impossible. Using high shear granulation, the flow properties and tabletability were adjusted. A linear relationship between the span of granules and the specific energy measured by FT4 powder rheometer was detected. In parallel, a linear relationship between conditioned bulk density and the tensile strength of the tablets at lab-scale batch tableting was noted. The combination of dynamic image analysis and powder rheometry was useful for predicting the tabletability of pharmaceutical mixtures during the single tablet (design) compression and the lab-scale batch compression.
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15
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Bhujbal SV, Mitra B, Jain U, Gong Y, Agrawal A, Karki S, Taylor LS, Kumar S, (Tony) Zhou Q. Pharmaceutical amorphous solid dispersion: A review of manufacturing strategies. Acta Pharm Sin B 2021; 11:2505-2536. [PMID: 34522596 PMCID: PMC8424289 DOI: 10.1016/j.apsb.2021.05.014] [Citation(s) in RCA: 189] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 04/05/2021] [Accepted: 04/13/2021] [Indexed: 12/15/2022] Open
Abstract
Amorphous solid dispersions (ASDs) are popular for enhancing the solubility and bioavailability of poorly water-soluble drugs. Various approaches have been employed to produce ASDs and novel techniques are emerging. This review provides an updated overview of manufacturing techniques for preparing ASDs. As physical stability is a critical quality attribute for ASD, the impact of formulation, equipment, and process variables, together with the downstream processing on physical stability of ASDs have been discussed. Selection strategies are proposed to identify suitable manufacturing methods, which may aid in the development of ASDs with satisfactory physical stability.
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Key Words
- 3DP, three-dimensional printing
- ASDs, amorphous solid dispersions
- ASES, aerosol solvent extraction system
- Amorphous solid dispersions
- CAP, cellulose acetate phthalate
- CO2, carbon dioxide
- CSG, continuous-spray granulation
- Co-precipitation
- Downstream processing
- Drug delivery
- EPAS, evaporative aqueous solution precipitation
- Eudragit®, polymethacrylates derivatives
- FDM, fused deposition modeling
- GAS, gas antisolvent
- HME, hot-melt extrusion
- HPC, hydroxypropyl cellulose
- HPMC, hydroxypropyl methylcellulose
- HPMCAS, hydroxypropyl methylcellulose acetate succinate
- HPMCP, hypromellose phthalate
- Manufacturing
- Melting process
- PCA, precipitation with compressed fluid antisolvent
- PGSS, precipitation from gas-saturated solutions
- PLGA, poly(lactic-co-glycolic acid
- PVP, polyvinylpyrrolidone
- PVPVA, polyvinylpyrrolidone/vinyl acetate
- RESS, rapid expansion of a supercritical solution
- SAS, supercritical antisolvent
- SCFs, supercritical fluids
- SEDS, solution-enhanced dispersion by SCF
- SLS, selective laser sintering
- Selection criteria
- Soluplus®, polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer
- Solvent evaporation
- Stability
- Tg, glass transition temperature
- USC, ultrasound compaction
- scCO2, supercritical CO2
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Affiliation(s)
- Sonal V. Bhujbal
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA
| | - Biplob Mitra
- Oral Product Development, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Uday Jain
- Material Science and Engineering, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Yuchuan Gong
- Oral Product Development, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Anjali Agrawal
- Oral Product Development, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Shyam Karki
- Oral Product Development, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Lynne S. Taylor
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA
| | - Sumit Kumar
- Oral Product Development, Bristol Myers Squibb, Summit, NJ 07901, USA
| | - Qi (Tony) Zhou
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA
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Insights into the ameliorating ability of mesoporous silica in modulating drug release in ternary amorphous solid dispersion prepared by hot melt extrusion. Eur J Pharm Biopharm 2021; 165:244-258. [PMID: 34020023 DOI: 10.1016/j.ejpb.2021.04.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/23/2022]
Abstract
In this work, the application of various mesoporous silica grades in the preparation of stabilized ternary amorphous solid dispersions of Felodipine using hot melt extrusion was explored. We have demonstrated the effectiveness of mesoporous silica in these dispersions without the need for any organic solvents i.e., no pre-loading or immersion steps required. The physical and chemical properties, release profiles of the prepared formulations and the surface concentrations of the various molecular species were investigated in detail. Formulations containing 25 wt% and 50 wt% of Felodipine demonstrated enhanced stability and solubility of the drug substance compared to its crystalline counterpart. Based on the Higuchi model, ternary formulations exhibited a 2-step or 3-step release pattern which can be ascribed to the release of drug molecules from the organic polymer matrix and the external silica surface, followed by a release from the silica pore structure. According to the Korsmeyer-Peppas model, the release rate and release mechanism are governed by a complex quasi-Fickian release mechanism, in which multiple release mechanisms are occurring concurrently and consequently. Stability studies indicated that after 6 months storage of all formulation at 30% RH and 20 °C, Felodipine in all formulations remained stable in its amorphous state except for the formulation comprised of 40 wt% Syloid AL-1FP with a 50 wt% drug load.
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Roulon S, Soulairol I, Cazes M, Lemierre L, Payre N, Delbreilh L, Alié J. D-Sorbitol Physical Properties Effects on Filaments Used by 3D Printing Process for Personalized Medicine. Molecules 2021; 26:molecules26103000. [PMID: 34070087 PMCID: PMC8158342 DOI: 10.3390/molecules26103000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/10/2021] [Accepted: 05/14/2021] [Indexed: 11/27/2022] Open
Abstract
Fused filament fabrication (FFF) is a process used to manufacture oral forms adapted to the needs of patients. Polyethylene oxide (PEO) filaments were produced by hot melt extrusion (HME) to obtain a filament suitable for the production of amiodarone hydrochloride oral forms by FFF 3D printing. In order to produce personalized oral forms adapted to the patient characteristics, filaments used by FFF must be controlled in terms of mass homogeneity along filament. This work highlights the relation between filament mass homogeneity and its diameter. This is why the impact of filler excipients physical properties was studied. It has been showed that the particle’s size distribution of the filler can modify the filament diameter variability which has had an impact on the mass of oral forms produced by FFF. Through this work it was shown that D-Sorbitol from Carlo Erba allows to obtain a diameter variability of less than 2% due to its unique particle’s size distribution. Using the filament produced by HME and an innovating calibration method based on the filament length, it has been possible to carry out three dosages of 125 mg, 750 mg and 1000 mg by 3D printing with acceptable mass uniformity.
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Affiliation(s)
- Stéphane Roulon
- Group of Materials Physics, UNIROUEN Normandie, INSA Rouen, CNRS, Normandie University, Av. Université, 76801 St Etienne du Rouvray, France
- Solid State Characterization and 3D Printing Laboratory, SMO-A Department, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier, France; (M.C.); (L.L.); (N.P.)
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
| | - Ian Soulairol
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France;
- ICGM, University Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Maxime Cazes
- Solid State Characterization and 3D Printing Laboratory, SMO-A Department, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier, France; (M.C.); (L.L.); (N.P.)
| | - Léna Lemierre
- Solid State Characterization and 3D Printing Laboratory, SMO-A Department, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier, France; (M.C.); (L.L.); (N.P.)
| | - Nicolas Payre
- Solid State Characterization and 3D Printing Laboratory, SMO-A Department, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier, France; (M.C.); (L.L.); (N.P.)
| | - Laurent Delbreilh
- Group of Materials Physics, UNIROUEN Normandie, INSA Rouen, CNRS, Normandie University, Av. Université, 76801 St Etienne du Rouvray, France
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
| | - Jean Alié
- Solid State Characterization and 3D Printing Laboratory, SMO-A Department, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier, France; (M.C.); (L.L.); (N.P.)
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
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18
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Texture and surface feature-mediated striking improvements on multiple direct compaction properties of Zingiberis Rhizoma extracted powder by coprocessing with nano-silica. Int J Pharm 2021; 603:120703. [PMID: 33989749 DOI: 10.1016/j.ijpharm.2021.120703] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/27/2021] [Accepted: 05/09/2021] [Indexed: 11/23/2022]
Abstract
The study aims to markedly improve direct compaction (DC) properties of Zingiberis Rhizoma extracted powder (ZR) by modifying its texture and surface properties with nano-silica (NS). A wet coprocessing method was applied to evenly distribute up to 33.3% NS to ZR. To clarify uniqueness of NS, microcrystalline cellulose (MCC), a superior filler-binder in DC, was used as control. Coprocessed particles and physical mixtures (PMs) were comprehensively evaluated for surface features, micromeritic properties, and texture and compacting parameters. Compared to MCC, NS could more significantly modify the texture and surface features of ZR (e.g., hardness, cohesiveness, yield pressure, and nanoscaled surface roughness) via coprocessing, resulting in more striking improvements on multiple DC properties of ZR, including tabletability, flowability, lubricant sensitivity, hygroscopicity, etc. Especially, tensile strength (σt) of coprocessed ZR-NS (1:0.5) tablets was 4.62 and 3.22 times that of ZR and ZR-MCC counterparts pressed at 210 MPa, respectively. Moreover, percolation thresholds of σt enhancement were observed for ZR-NSs, but not for ZR-MCCs. Evaluation by the SeDeM expert system indicated that some ZR-NSs (but no ZR-MCCs) were qualified for DC. Collectively, coprocessing with NS by liquid dispersion appears to be a novel, effective, and pragmatic option for DC of drugs like ZR.
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19
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Roulon S, Soulairol I, Lavastre V, Payre N, Cazes M, Delbreilh L, Alié J. Production of Reproducible Filament Batches for the Fabrication of 3D Printed Oral Forms. Pharmaceutics 2021; 13:pharmaceutics13040472. [PMID: 33807390 PMCID: PMC8066748 DOI: 10.3390/pharmaceutics13040472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 11/16/2022] Open
Abstract
Patients need medications at a dosage suited to their physiological characteristics. Three-dimensional printing (3DP) technology by fused-filament fabrication (FFF) is a solution for manufacturing medication on demand. The aim of this work was to identify important parameters for the production of reproducible filament batches used by 3DP for oral formulations. Amiodarone hydrochloride, an antiarrhythmic and insoluble drug, was chosen as a model drug because of dosage adaptation need in children. Polyethylene oxide (PEO) filaments containing amiodarone hydrochloride were produced by hot-melt extrusion (HME). Different formulation storage conditions were investigated. For all formulations, the physical form of the drug following HME and fused-deposition modeling (FDM) 3D-printing processes were assessed using thermal analysis and X-ray powder diffraction (XRPD). Filament mechanical properties, linear mass density and surface roughness, were investigated by, respectively, 3-point bending, weighing, and scanning electron microscopy (SEM). Analysis results showed that the formulation storage condition before HME-modified filament linear mass density and, therefore, the oral forms masses from a batch to another. To obtain constant filament apparent density, it has been shown that a constant and reproducible drying condition is required to produce oral forms with constant mass.
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Affiliation(s)
- Stéphane Roulon
- Normandy University, UNIROUEN Normandie, INSA Rouen, CNRS, Group of Materials Physics, Av. Université, 76801 St Etienne du Rouvray CEDEX, France
- Solid State Characterization and 3D Printing Service, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier CEDEX 4, France; (V.L.); (N.P.); (M.C.)
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
| | - Ian Soulairol
- Department of Pharmacy, Nimes University Hospital, 30900 Nimes CEDEX 9, France;
- Department of galenic pharmacy and biomaterials, ENSCM, College of pharmacy, University of Montpellier, 34090 Montpellier CEDEX 5, France
| | - Valérie Lavastre
- Solid State Characterization and 3D Printing Service, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier CEDEX 4, France; (V.L.); (N.P.); (M.C.)
| | - Nicolas Payre
- Solid State Characterization and 3D Printing Service, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier CEDEX 4, France; (V.L.); (N.P.); (M.C.)
| | - Maxime Cazes
- Solid State Characterization and 3D Printing Service, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier CEDEX 4, France; (V.L.); (N.P.); (M.C.)
| | - Laurent Delbreilh
- Normandy University, UNIROUEN Normandie, INSA Rouen, CNRS, Group of Materials Physics, Av. Université, 76801 St Etienne du Rouvray CEDEX, France
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
| | - Jean Alié
- Solid State Characterization and 3D Printing Service, Sanofi R&D, 371 rue du Pr. Joseph Blayac, 34080 Montpellier CEDEX 4, France; (V.L.); (N.P.); (M.C.)
- Correspondence: (S.R.); (L.D.); (J.A.); Tel.: +336-2150-4482 (S.R.); +332-3295-5084 (L.D.); +334-9977-5896 (J.A.)
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20
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Performance Evaluation of a Novel Biosourced Co-Processed Excipient in Direct Compression and Drug Release. Polymers (Basel) 2021; 13:polym13060988. [PMID: 33807048 PMCID: PMC8004800 DOI: 10.3390/polym13060988] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/16/2021] [Accepted: 03/19/2021] [Indexed: 11/17/2022] Open
Abstract
This study exposes the potential usefulness of a new co-processed excipient, composed of alginic acid and microcrystalline cellulose (Cop AA-MCC), for the preparation of immediate drug release tablets by direct compression. Evaluation of the physical and mechanical properties as well as the disintegration behavior of Cop AA-MCC in comparison to commercial co-processed excipients (Cellactose®, Ludipress®, Prosolv® SMCC HD90 and Prosolv® ODT) and to the physical mixture of the native excipients (MCC and AA), was carried out. The obtained results illustrate the good performance of Cop AA-MCC in terms of powder flowability, tablet tensile strength, compressibility, and disintegration time. Although, this new co-processed excipient showed a slightly high lubricant sensitivity, which was explained by its more plastic than fragmentary deformation behavior, it presented a low lubricant requirement due to the remarkably low ejection force observed during compression. Compression speed and dwell time seemed not to affect significantly the tabletability of Cop AA-MCC. The study exposed evenly the performance of Cop AA-MCC compared to Prosolv® ODT, in terms of tabletability and dissolution rate of Melatonin. Cop AA-MCC presented comparable hardness, lower dilution potential, higher lubricant sensitivity, lower ejection force, and faster Melatonin's release time than Prosolv® ODT. In summary, Cop AA-MCC exhibited interesting physical, mechanical, and biopharmaceutical properties, which demonstrate its concurrence to commercially available co-processed excipients. Furthermore, the simplicity of its composition and the scalability of its elaboration makes this multifunctional excipient highly recommended for direct compression.
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21
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Kavanagh ON, Wang C, Walker GM, Sun CC. Modulation of the powder properties of lamotrigine by crystal forms. Int J Pharm 2021; 595:120274. [PMID: 33486026 DOI: 10.1016/j.ijpharm.2021.120274] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/31/2020] [Accepted: 01/08/2021] [Indexed: 10/22/2022]
Abstract
The mechanical properties of powders determine the ease of manufacture and ultimately the quality of the oral solid dosage forms. Although poor mechanical properties of an active pharmaceutical ingredient (API) can be mitigated by using suitable excipients in a formulation, the effectiveness of that approach is limited for high dose drugs or multidrug tablets. In this context, improving the mechanical properties of the APIs through solid form optimisation is a good strategy to address such a challenge. This work explores the powder and tableting properties of various lamotrigine (LAM) solid forms with the aim to facilitate direct compression by overcoming the poor tabletability of LAM. The two drug-drug crystals of LAM with nicotinamide and valproic acid demonstrate superior flowability and tabletability over LAM. The improved powder properties are rationalised by structure analysis using energy framework, scanning electron microscopy, and Heckel analysis.
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Affiliation(s)
- Oisín N Kavanagh
- Synthesis and Solid State Pharmaceutical Centre (SSPC), The SFI Research Centre for Pharmaceuticals, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland.
| | - Chenguang Wang
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-127B Weaver-Densford Hall, 308 Harvard Street S.E., Minneapolis, MN 55455, USA
| | - Gavin M Walker
- Synthesis and Solid State Pharmaceutical Centre (SSPC), The SFI Research Centre for Pharmaceuticals, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Changquan Calvin Sun
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, 9-127B Weaver-Densford Hall, 308 Harvard Street S.E., Minneapolis, MN 55455, USA.
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22
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Bu Y, Amyotte P, Li C, Yuan W, Yuan C, Li G. Effects of dust dispersibility on the suppressant enhanced explosion parameter (SEEP) in flame propagation of Al dust clouds. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124119. [PMID: 33075625 DOI: 10.1016/j.jhazmat.2020.124119] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/31/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
This work presents an overview about the suppressant enhanced explosion parameter (SEEP) phenomenon in aluminum dust explosion moderation. The SEEP phenomenon can be attributed to either the flammable gas produced by decomposition of insufficient chemical suppressant so as to form an explosible hybrid mixture, or to the improvement in dust dispersibility caused by small amounts of thermal inhibitor so as to form better dispersed dust clouds. Aluminum (Al) and four particle sizes of alumina (Al2O3) were used to confirm a physically caused SEEP phenomenon by performing flame propagation experiments. Higher flame spread velocities (FSVs) in Al dust clouds were found in the presence of 5 or 10% <150 and <45-µm Al2O3 powder. Adding micro-sized Al2O3 disrupted inter-particle contact in combustible dusts, decreased inter-particle forces, and formed dust clouds with better dispersibility, thereby decreasing the effective particle size distribution (PSD) of Al dust. A strong thermal effect brought about by 2.5 µm Al2O3 overcame the negative effect of improved dispersion, preventing SEEP from occurring. The addition of 50 nm Al2O3 increased cohesion of powder mixtures, and decreased dust dispersibility. With benefits from both dispersion suppression and the thermal effect, Al flame propagation was well quenched.
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Affiliation(s)
- Yajie Bu
- Fire & Explosion Protection Laboratory, Northeastern University, Shenyang 110819, China; Department of Process Engineering & Applied Science, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Paul Amyotte
- Department of Process Engineering & Applied Science, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Chang Li
- Department of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China
| | - Wenbo Yuan
- Fire & Explosion Protection Laboratory, Northeastern University, Shenyang 110819, China
| | - Chunmiao Yuan
- Fire & Explosion Protection Laboratory, Northeastern University, Shenyang 110819, China; State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China; State Key Laboratory of Coal Mine Safety Technology, China Coal Technology & Engineering Group Shenyang Research Institute, Fushun 113122, China.
| | - Gang Li
- Fire & Explosion Protection Laboratory, Northeastern University, Shenyang 110819, China
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Stress-Dependent Particle Interactions of Magnesium Aluminometasilicates as Their Performance Factor in Powder Flow and Compaction Applications. MATERIALS 2021; 14:ma14040900. [PMID: 33672812 PMCID: PMC7918335 DOI: 10.3390/ma14040900] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 11/17/2022]
Abstract
In the pharmaceutical industry, silicates are commonly used excipients with different application possibilities. They are especially utilized as glidants in low concentrations, but they can be used in high concentrations as porous carriers and coating materials in oral solid drug delivery systems. The desirable formulations of such systems must exhibit good powder flow but also good compactibility, which brings opposing requirements on inter-particle interactions. Since magnesium aluminometasilicates (MAS) are known for their interesting flow behavior reported as "negative cohesivity" yet they can be used as binders for tablet compression, the objective of this experimental study was to investigate their particle interactions within a broad range of mechanical stress from several kPa to hundreds of MPa. Magnesium aluminometasilicate (Neusilin® US2 and Neusilin® S2)-microcrystalline cellulose (Avicel® PH102) physical powder mixtures with varying silicate concentrations were prepared and examined during their exposure to different pressures using powder rheology and compaction analysis. The results revealed that MAS particles retain their repulsive character and small contact surface area under normal conditions. If threshold pressure is applied, the destruction of MAS particles and formation of new surfaces leading to particle interactions are observed. The ability of MAS particles to form interactions intensifies with increasing pressure and their amount in a mixture. This "function switching" makes MAS suitable for use as multifunctional excipients since they can act as a glidant or a binder depending on the applied pressure.
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Tran D, Komínová P, Kulaviak L, Zámostný P. Evaluation of multifunctional magnesium aluminosilicate materials as novel family of glidants in solid dosage products. Int J Pharm 2021; 592:120054. [DOI: 10.1016/j.ijpharm.2020.120054] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/30/2020] [Accepted: 11/02/2020] [Indexed: 10/23/2022]
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Trpělková Ž, Hurychová H, Kuentz M, Vraníková B, Šklubalová Z. Introduction of the energy to break an avalanche as a promising parameter for powder flowability prediction. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.07.095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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Bu Y, Yuan Y, Xue S, Amyotte P, Li C, Yuan W, Ma Z, Yuan C, Li G. Effect of admixed silica on dispersibility of combustible dust clouds in a Godbert-Greenwald furnace. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.07.071] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Escotet-Espinoza MS, Scicolone JV, Moghtadernejad S, Sanchez E, Cappuyns P, Van Assche I, Di Pretoro G, Ierapetritou M, Muzzio FJ. Improving Feedability of Highly Adhesive Active Pharmaceutical Ingredients by Silication. J Pharm Innov 2020. [DOI: 10.1007/s12247-020-09448-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Lee YC, McNevin M, Ikeda C, Chouzouri G, Moser J, Harris D, Howell L. Combination of Colloidal Silicon Dioxide with Spray-Dried Solid Dispersion to Facilitate Discharge from an Agitated Dryer. AAPS PharmSciTech 2019; 20:182. [PMID: 31054050 DOI: 10.1208/s12249-019-1392-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 04/09/2019] [Indexed: 02/01/2023] Open
Abstract
A feasibility evaluation of the addition of fumed silica (SiO2) into an agitated dryer to aid spray-dried solid dispersion intermediate (SDSDi) flow during secondary drying and discharge is described. The quantity of SiO2 to enhance the flow character of SDSDi was assessed by measuring particle size distribution, bulk density, and flow-through-an-orifice. Results indicate that the addition of the SiO2 did not alter the drying kinetics and did not impact the bulk particle size distribution of the SDSDi. While bulk density of SDSDi increased with the addition of SiO2, the flow, and thus the recovery of the SDSDi-SiO2 batch from the secondary dryer, was significantly higher than that for the intermediate alone. Imaging indicated uniform distribution of SiO2 in the bulk powder and coating on intermediate particles. Premixing and co-sieving of the SiO2 with a portion of pre-dry SDSDi promotes the uniform distribution of SiO2 within the bulk powder bed.
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