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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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Kim SS, Seetahal A, Amores N, Kossor C, Davé RN. Impact of Silica Dry Coprocessing with API and Blend Mixing Time on Blend Flowability and Drug Content Uniformity. J Pharm Sci 2023; 112:2124-2136. [PMID: 37230252 DOI: 10.1016/j.xphs.2023.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/18/2023] [Accepted: 05/18/2023] [Indexed: 05/27/2023]
Abstract
This paper considers two fine-sized (d50 ∼10 µm) model drugs, acetaminophen (mAPAP) and ibuprofen (Ibu), to examine the effect of API dry coprocessing on their multi-component medium DL (30 wt%) blends with fine excipients. The impact of blend mixing time on the bulk properties such as flowability, bulk density, and agglomeration was studied. The hypothesis tested is that blends with fine APIs at medium DL require good blend flowability to have good blend uniformity (BU). Moreover, the good flowability could be achieved through dry coating with hydrophobic (R972P) silica, which reduces agglomeration of not only fine API, but also of its blends while using fine excipients. For uncoated APIs, the blend flowability was poor, i.e. cohesive regime at all mixing times, and the blends failed to achieve acceptable BU. In contrast, for dry coated APIs, their blend flowability improved to easy-flow regime or better, improving with mixing time, and as hypothesized, all blends consequently achieved desired BU. All dry coated API blends exhibited improved bulk density and reduced agglomeration, attributed to mixing induced synergistic property enhancements, likely due to silica transfer. Despite coating with hydrophobic silica, tablet dissolution was improved, attributed to the reduced agglomeration of fine API.
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Affiliation(s)
- Sangah S Kim
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Ameera Seetahal
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Nicholas Amores
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Christopher Kossor
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA.
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3
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Matsumoto A, Murakami M. Harmless and ecologically acceptable fabrication of long-acting injectable microspheres. Drug Discov Ther 2023:2023.01008. [PMID: 37245983 DOI: 10.5582/ddt.2023.01008] [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: 05/30/2023]
Abstract
The use of harmful solvents during the preparation of pharmaceutical formulations is restricted to preserve environment and ensure safety of industrial operations. However, harmful solvents must be used to produce certain formulations. For instance, methylene chloride has been used in the fabrication of polylactic acid (PLA) and poly(lactic-co-glycolic) acid (PLGA) microspheres. This review highlights the latest advances in the strategy of PLA or PLGA microsphere production from non-halogenated solvents and describes advantages and limitations of these methods. The study also discusses the development of dry fabrication techniques for microsphere fabrication and the positioning of conventional and dry fabrication in the containment concept for workers' safety.
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Affiliation(s)
- Akihiro Matsumoto
- Laboratory of Pharmaceutics, Faculty of Pharmacy, Osaka Ohtani University, Osaka, Japan
| | - Masahiro Murakami
- Laboratory of Pharmaceutics, Faculty of Pharmacy, Osaka Ohtani University, Osaka, Japan
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4
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Suhaidi D, Dong YD, Wynne P, Hapgood KP, Morton DAV. Bulk Flow Optimisation of Amorphous Solid Dispersion Excipient Powders through Surface Modification. Pharmaceutics 2023; 15:pharmaceutics15051447. [PMID: 37242689 DOI: 10.3390/pharmaceutics15051447] [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: 03/31/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Particulate amorphous solid dispersions (ASDs) have been recognised for their potential to enhance the performance of various solid dose forms, especially oral bioavailability and macromolecule stability. However, the inherent nature of spray-dried ASDs leads to their surface cohesion/adhesion, including hygroscopicity, which hinders their bulk flow and affects their utility and viability in terms of powder production, processing, and function. This study explores the effectiveness of L-leucine (L-leu) coprocessing in modifying the particle surface of ASD-forming materials. Various contrasting prototype coprocessed ASD excipients from both the food and pharmaceutical industries were examined for their effective coformulation with L-leu. The model/prototype materials included maltodextrin, polyvinylpyrrolidone (PVP K10 and K90), trehalose, gum arabic, and hydroxypropyl methylcellulose (HPMC E5LV and K100M). The spray-drying conditions were set such that the particle size difference was minimised, so that it did not play a substantial role in influencing powder cohesion. Scanning electron microscopy was used to evaluate the morphology of each formulation. A combination of previously reported morphological progression typical of L-leu surface modification and previously unreported physical characteristics was observed. The bulk characteristics of these powders were assessed using a powder rheometer to evaluate their flowability under confined and unconfined stresses, flow rate sensitivities, and compactability. The data showed a general improvement in maltodextrin, PVP K10, trehalose and gum arabic flowability measures as L-leu concentrations increased. In contrast, PVP K90 and HPMC formulations experienced unique challenges that provided insight into the mechanistic behaviour of L-leu. Therefore, this study recommends further investigations into the interplay between L-leu and the physico-chemical properties of coformulated excipients in future amorphous powder design. This also revealed the need to enhance bulk characterisation tools to unpack the multifactorial impact of L-leu surface modification.
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Affiliation(s)
- Danni Suhaidi
- School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
| | - Yao-Da Dong
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Paul Wynne
- Medicines Manufacturing Innovation Centre, Monash University, Clayton, VIC 3168, Australia
| | - Karen P Hapgood
- School of Engineering, Swinburne University, Hawthorn, VIC 3122, Australia
| | - David A V Morton
- School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
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Kim SS, Castillo C, Cheikhali M, Darweesh H, Kossor C, Davé RN. Enhanced blend uniformity and flowability of low drug loaded fine API blends via dry coating: The effect of mixing time and excipient size. Int J Pharm 2023; 635:122722. [PMID: 36796658 DOI: 10.1016/j.ijpharm.2023.122722] [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: 10/29/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023]
Abstract
Although previous research demonstrated improved flowability, packing, fluidization, etc. of individual powders via nanoparticle dry coating, none considered its impact on very low drug loaded blends. Here, fine ibuprofen at 1, 3, and 5 wt% drug loadings (DL) was used in multi-component blends to examine the impact of the excipients size, dry coating with hydrophilic or hydrophobic silica, and mixing times on the blend uniformity, flowability and drug release rates. For uncoated active pharmaceutical ingredients (API), the blend uniformity (BU) was poor for all blends regardless of the excipient size and mixing time. In contrast, for dry coated API having low agglomerate ratio (AR), BU was dramatically improved, more so for the fine excipient blends, at lesser mixing times. For dry coated API, the fine excipient blends mixed for 30 min had enhanced flowability and lower AR; better for the lowest DL having lesser silica, likely due to mixing induced synergy of silica redistribution. For the fine excipient tablets, dry coating led to fast API release rates even with hydrophobic silica coating. Remarkably, the low AR of the dry coated API even at very low DL and amounts of silica in the blend led to the enhanced blend uniformity, flow, and API release rate.
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Affiliation(s)
- Sangah S Kim
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Chelsea Castillo
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Mirna Cheikhali
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Hadeel Darweesh
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Christopher Kossor
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA.
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6
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Khala MJ, Hare C, Karde V, Heng JY. A numerical analysis of the influence of material properties on dry powder coating performance. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Blanco D, Pentikäinen H, Antikainen O, Juppo A. Behaviour of magnesium stearate at particle–particle interfaces: Microdynamic flowability to monitor distribution in powders. POWDER TECHNOL 2023. [DOI: 10.1016/j.powtec.2023.118337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Kim SS, Castillo C, Sayedahmed M, Davé RN. Reduced Fine API Agglomeration After Dry Coating for Enhanced Blend Uniformity and Processability of Low Drug Loaded Blends. Pharm Res 2022; 39:3155-3174. [PMID: 35882741 DOI: 10.1007/s11095-022-03343-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 07/13/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE The impact of dry coating on reduced API agglomeration remains underexplored. Therefore, this work quantified fine cohesive API agglomeration reduction through dry coating and its impact on enhanced blend uniformity and processability, i.e., flowability and bulk density of multi-component blends API loading as low as 1 wt%. METHODS The impact of dry coating with two different types and amounts of silica was assessed on cohesion, agglomeration, flowability, bulk density, wettability, and surface energy of fine milled ibuprofen (~ 10 µm). API agglomeration, measured using Gradis/QicPic employing gentler gravity-based dispersion, resulted in excellent size resolution. Multi-component blends with fine-sized excipients, selected for reduced segregation potential, were tested for bulk density, cohesion, flowability, and blend content uniformity. Tablets formed using these blends were tested for tensile strength and dissolution. RESULT All dry coated ibuprofen powders exhibited dramatic agglomeration reduction, corroborated by corresponding decreased cohesion, unconfined yield strength, and improved flowability, regardless of the type and amount of silica coating. Their blends exhibited profound enhancement in flowability and bulk density even at low API loadings, as well as the content uniformity for the lowest drug loading. Moreover, hydrophobic silica coating improved drug dissolution rate without appreciably reducing tablet tensile strength. CONCLUSION The dry coating based reduced agglomeration of fine APIs for all three low drug loadings improved overall blend properties (uniformity, flowability, API release rate) due to the synergistic impact of a minute amount of silica (0.007 wt %), potentially enabling direct compression tableting and aiding manufacturing of other forms of solid dosing.
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Affiliation(s)
- Sangah S Kim
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Chelsea Castillo
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Muhammad Sayedahmed
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA.
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9
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Kim S, Cheikhali M, Davé RN. Decoding Fine API Agglomeration as a Key Indicator of Powder Flowability and Dissolution: Impact of Particle Engineering. Pharm Res 2022; 39:3079-3098. [PMID: 35698012 DOI: 10.1007/s11095-022-03293-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/11/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE Fine API agglomeration and its mitigation via particle engineering, i.e., dry coating, remains underexplored. The purpose was to investigate agglomeration before and after dry coating of fine cohesive APIs and impact on powder processability, i.e., flowability (FFC), bulk density (BD), and dissolution of BCS Class II drugs. METHOD Ibuprofen (three sizes), fenofibrate, and griseofulvin (5-20 µm), before and after dry coating with varying amounts of hydrophobic (R972P) or hydrophilic (A200) nano- silica, were assessed for agglomeration, FFC, BD, surface energy, wettability, and dissolution. The granular Bond number (Bog), a dimensionless parameter, evaluated through material-sparing particle-scale measures and particle-contact models, was used to express relative powder cohesion. RESULTS Significant powder processability improvements after dry coating were observed: FFC increased by multiple flow regimes, BD increased by 25-100%, agglomerate ratio (AR) reduction by over an order of magnitude, and greatly enhanced API dissolution rate even with hydrophobic (R972P) silica coating. Scrutiny of particle-contact models revealed non-triviality in estimating API surface roughness, which was managed through the assessment of measured bulk properties. A power-law correlation was identified between AR and Bog and subsequently, between AR and FFC & bulk density; AR below 5 ensured improved processability and dissolution. CONCLUSION Agglomeration, an overlooked material-sparing measure for powder cohesiveness, was a key indicator of powder processability and dissolution. The significant agglomerate reduction was possible via dry coating with either silica type at adequate surface area coverage. Reduced agglomeration after dry coating also countered the adverse impact of increased surface hydrophobicity on dissolution.
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Affiliation(s)
- Sangah Kim
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, New Jersey, 07102, USA
| | - Mirna Cheikhali
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, New Jersey, 07102, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, New Jersey, 07102, USA.
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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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11
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Zhang X, Zhou Y, Wang G, Zhao Z, Jiang Z, Cui Y, Yue X, Huang Z, Huang Y, Pan X, Wu C. Co-spray-dried poly-L-lysine with L-leucine as dry powder inhalations for the treatment of pulmonary infection: Moisture-resistance and desirable aerosolization performance. Int J Pharm 2022; 624:122011. [PMID: 35820517 DOI: 10.1016/j.ijpharm.2022.122011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/26/2022] [Accepted: 07/06/2022] [Indexed: 10/17/2022]
Abstract
Poly-L-lysine (PLL) is a promising candidate for the treatment of pulmonary infection with lower occurrence of drug-resistance due to its unique antibacterial mechanisms. Dry powder inhalations (DPIs) are considered as the first choice for formulating PLL to treat pulmonary infection on account of direct delivery and satisfactory stability. However, hygroscopicity of PLL limited its therapeutic effect on pulmonary infection when PLL developed into DPIs. The hygroscopicity caused two obstacles including the low drug deposition in the lower respiratory tract and undesirable aerosolization performance deterioration. In this study, PLL was co-spray-dried with L-leucine (LL) to achieve moisture-resistance and desirable aerosolization performance. The ratio of PLL and LL was optimized to obtain particles with different morphology, hygroscopicity and aerodynamic properties. The obtained PLL DPIs were suitable for inhalation with a corrugated surface formed by hydrophobic LL. The anti-hygroscopicity, aerosolization performance and rheological properties of P2 DPIs were optimal when PLL:LL = 85:15. The DPIs particles were stable after being stored at high relative humidity (60 ± 5%), and their superiority in treating pulmonary infections was also proved by in vitro and in vivo experiments. The established PLL DPIs were proved to be a feasible and desirable approach to treat pulmonary infections.
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Affiliation(s)
- Xuejuan Zhang
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China.
| | - Yue Zhou
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China.
| | - Guanlin Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, PR China.
| | - Ziyu Zhao
- Pharmacy Department, Guangzhou Red Cross Hospital, Guangzhou 510006, Guangdong, PR China.
| | - Zhongxiang Jiang
- Department of Pulmonary and Critical Care Medicine, Chongqing General Hospital, Chongqing 401147, PR China.
| | - Yingtong Cui
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, PR China.
| | - Xiao Yue
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China
| | - Zhengwei Huang
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China.
| | - Ying Huang
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China.
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, PR China.
| | - Chuanbin Wu
- College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, PR China.
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Remadevi R, AV Morton D, Hapgood K, Rashida N, Rajkhowa R. Improving the dynamic properties of silk particles by co-spray drying with L-leucine. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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13
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Kumar V, Sethi B, Yanez E, Leung DH, Ghanwatkar YY, Cheong J, Tso J, Narang AS, Nagapudi K, Mahato RI. Effect of magnesium stearate surface coating method on the aerosol performance and permeability of micronized fluticasone propionate. Int J Pharm 2022; 615:121470. [PMID: 35041913 DOI: 10.1016/j.ijpharm.2022.121470] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/08/2022] [Accepted: 01/10/2022] [Indexed: 01/19/2023]
Abstract
In this study, we evaluated the aerodynamic performance, dissolution, and permeation behavior of micronized fluticasone propionate (FP) and magnesium stearate (MgSt) binary mixtures. Micronized FP was dry mixed with 2% w/w MgSt using a tumble mixer and a resonant acoustic mixer (RAM) with and without heating. The mixing efficacy was determined by X-ray powder diffraction (XRPD) and differential scanning calorimetry (DSC) analysis. Additional techniques were used to determine powder properties such as the dynamic vapor sorption (DVS), particle size distribution (PSD) by laser diffraction light scattering, and particle surface properties by scanning electron microscope (SEM). The aerodynamic performance was studied by the next-generation impactor (NGI) using drug-loaded capsules in a PlastiApi® device. Physiochemical properties such as porosity, particle size distribution, and surface area of the formulations were studied with adsorption and desorption curves fitted to several well-known models including Brunauer-Emmett-Teller (BET), Barret Joyner Halenda (BJH), and the density functional theory (DFT). The dissolution behavior of the formulations collected on the transwell inserts incorporated into stages 3, 5, and 7 of the NGI with a membrane providing an air interface was evaluated. Drug permeability of formulations was assessed by directly depositing particles on Calu-3 cells at the air-liquid interface (ALI). Drug concentration was determined by LC-MS/MS. A better MgSt mixing on micronized FP particles was achieved by mixing with a RAM with and without heating than with a tumble mixer. A significant concomitant increase in the % of emitted dose and powder aerosol performance was observed after MgSt mixing. Formulation 4 (RAM mixing at room temperature) showed the highest rate of permeability and correlation with dissolution profile. The results show that the surface enrichment of hydrophobic MgSt improved aerosolization properties and the dissolution and permeability rate of micronized FP by reducing powder agglomerations. A simple low-shear acoustic dry powder mixing method was found to be efficient and substantially improved the powder aerosolization properties and enhanced dissolution and permeability rate.
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Affiliation(s)
- Virender Kumar
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Bharti Sethi
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Evelyn Yanez
- Small Molecule Pharmaceutical Sciences Department, Genentech, Inc, South San Francisco, CA, USA
| | - Dennis H Leung
- Small Molecule Pharmaceutical Sciences Department, Genentech, Inc, South San Francisco, CA, USA
| | | | - Jonathan Cheong
- Drug Metabolism and Pharmacokinetics Department, Genentech, Inc, South San Francisco, CA, USA
| | - Jerry Tso
- Small Molecule Pharmaceutical Sciences Department, Genentech, Inc, South San Francisco, CA, USA
| | - Ajit S Narang
- Small Molecule Pharmaceutical Sciences Department, Genentech, Inc, South San Francisco, CA, USA; Department of Pharmaceutical Sciences, ORIC Pharmaceuticals, Inc, South San Francisco, CA, USA.
| | - Karthik Nagapudi
- Small Molecule Pharmaceutical Sciences Department, Genentech, Inc, South San Francisco, CA, USA.
| | - Ram I Mahato
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA.
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14
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Kim S, Bilgili E, Davé RN. Impact of altered hydrophobicity and reduced agglomeration on dissolution of micronized poorly water-soluble drug powders after dry coating. Int J Pharm 2021; 606:120853. [PMID: 34252519 DOI: 10.1016/j.ijpharm.2021.120853] [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: 05/11/2021] [Revised: 06/28/2021] [Accepted: 06/30/2021] [Indexed: 10/20/2022]
Abstract
The impact of dry coating with hydrophobic or hydrophilic nano-silica at 25-100% surface area coverage on dissolution of micronized poorly water-soluble drugs was investigated by examining their agglomeration and surface hydrophobicity. Ibuprofen (20 µm and 10 µm) and griseofulvin (10 µm) were selected having differing solubility, hydrophobicity, and surface morphology. Characterization involved particle agglomeration via two dry dispersion methods, drug dissolution using the USP IV method, cohesion reduction through shear testing, and powder wettability via the modified Washburn method. Dry coating dramatically reduced the cohesion hence agglomerate size of both the coated ibuprofen particles, but less for griseofulvin, attributed to its surface morphology. For hydrophobic silica, agglomerate size reduction outweighed the adverse impact of increased surface hydrophobicity for ibuprofen. For griseofulvin, the agglomerate reduction was much lower, not able to overcome the effect of increased drug particle hydrophobicity with hydrophobic silica coating. Hydrophilic silica coating reduced hydrophobicity for all three drug powders, leading to the synergistic improvement in the dissolution along with agglomerate size reduction. Overall, the combined effect of the drug particle surface hydrophobicity and agglomerate size, represented by specific surface area, could explain the dissolution behavior of these poorly water-soluble drugs.
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Affiliation(s)
- Sangah Kim
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Ecevit Bilgili
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ 07102, USA.
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15
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Jang EH, Park YS, Choi DH. Investigation of the effects of materials and dry granulation process on the mirabegron tablet by integrated QbD approach with multivariate analysis. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2020.12.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Mahdi FM, Shier AP, Fragkopoulos IS, Carr J, Gajjar P, Muller FL. On the Breakage of High Aspect Ratio Crystals in Filter Beds under Continuous Percolation. Pharm Res 2020; 37:231. [PMID: 33123816 PMCID: PMC7596000 DOI: 10.1007/s11095-020-02958-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 10/16/2020] [Indexed: 11/28/2022]
Abstract
Purpose This work details experimental observations on the effect of liquid flow percolating through packed beds of crystals to elucidate how the filtration pressure severely alters the size distribution and crystal shape. Pressure filtration is widely used in the pharmaceutical industry, and frequently results in undesired size distribution changes that hinder further processing. Methods The percolation methodology presented fixes fluid flow through a bed of crystals, resulting in a pressure over the bed. X-ray computed tomography (XCT) provided detailed observations of the bed structure. Detailed 2D particle size data was obtained using automated microscopy and was analysed using an in-house developed tool. Results Crystal breakage is observed when the applied pressure exceeds a critical pressure: 0.5–1 bar for ibuprofen, 1–2 bar for β-L glutamic acid (LGA) and 2–2.5 bar for para amino benzoic acid (PABA). X-ray computed tomography showed significant changes in bed density under the applied pressure. Size analysis and microscope observations showed two modes of breakage: (i) snapping of long crystals and (ii) shattering of crystals. Conclusion LGA and PABA have a similar breakage strength (50 MPa), ibuprofen is significantly weaker (9 MPa). Available breakage strength data may be correlated to the volumetric Gibbs free energy. Data from 12 and 35 mm bed diameters compares well to literature data in a 80 mm filter; the smaller, easy to operate percolation unit is a versatile tool to assess crystal breakage in filtration operations. Electronic supplementary material The online version of this article (10.1007/s11095-020-02958-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- F M Mahdi
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - A P Shier
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - I S Fragkopoulos
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - J Carr
- Henry Moseley X-ray Imaging Facility, Henry Royce Institute for Advanced Materials, Department of Materials, The University of Manchester, Manchester, M13 9PL, UK
| | - P Gajjar
- Henry Moseley X-ray Imaging Facility, Henry Royce Institute for Advanced Materials, Department of Materials, The University of Manchester, Manchester, M13 9PL, UK
| | - F L Muller
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK.
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17
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Matos RL, Lu T, Leeke G, Prosapio V, McConville C, Ingram A. Single-step coprecipitation and coating to prepare curcumin formulations by supercritical fluid technology. J Supercrit Fluids 2020. [DOI: 10.1016/j.supflu.2020.104758] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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18
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Ono T, Yonemochi E. Evaluation of the physical properties of dry surface-modified ibuprofen using a powder rheometer (FT4) and analysis of the influence of pharmaceutical additives on improvement of the powder flowability. Int J Pharm 2020; 579:119165. [PMID: 32081804 DOI: 10.1016/j.ijpharm.2020.119165] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/16/2020] [Accepted: 02/17/2020] [Indexed: 11/17/2022]
Abstract
In this study, we examined the characteristics of glidant that affect the improvement of the flowability of APIs by using the dry surface modification of ibuprofen. In addition, the screening method of glidant suitable for improving flowability of APIs was examined. As a result of evaluation of mixed powder with surface modification using various inorganic fine particles with different physical properties, it became clear that the packing fraction had the most influence regardless of the component. This was thought to able to coat the surface with small quantities because the smaller the packing fraction, the more it was able to dispersed from the less contacts between the glidant particles. The packing fraction of glidant was correlated with the (SE/CBD)-1 which was calculated value from the results measured with powder rheometer. From this results, when using any excipient as a glidant for dry surface modification, it is now possible to estimate the effect of improving flowability simply by measuring with a powder rheometer. Based on this study, it is possible to select excipients suitable for improving APIs flowability and to estimate the improvement effect, and therefore, it is expected to improve the efficiency of prescription design work.
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Affiliation(s)
- Tetsuo Ono
- Research & Development Headquarters Self-Medication, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshinocho, Kita-ku, Saitama 331-9530, Japan.
| | - Etsuo Yonemochi
- Department of Physical Chemistry, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501 Japan.
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19
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Design of swellable ordered-mixed spherical drug particles (Swell-OM-spheres) using a dry powder milling and coating technique to improve dissolution behavior. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101281] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Mangal S, Park H, Nour R, Shetty N, Cavallaro A, Zemlyanov D, Thalberg K, Puri V, Nicholas M, Narang AS, Zhou QT. Correlations between surface composition and aerosolization of jet-milled dry powder inhaler formulations with pharmaceutical lubricants. Int J Pharm 2019; 568:118504. [PMID: 31299339 DOI: 10.1016/j.ijpharm.2019.118504] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/03/2019] [Accepted: 07/07/2019] [Indexed: 11/30/2022]
Abstract
Co-jet-milling drugs and lubricants may enable simultaneous particle size reduction and surface coating to achieve satisfactory aerosolization performance. This study aims to establish the relationship between surface lubricant coverage and aerosolization behavior of a model drug (ciprofloxacin HCl) co-jet-milled with lubricants [magnesium stearate (MgSt) or l-leucine]. The co-jet-milled formulations were characterized for particle size, morphology, cohesion, Carr's index, and aerosolization performance. The surface lubricant coating was assessed by probing surface chemical composition using X-ray photoelectron spectroscopy (XPS) and time-of-flight secondary-ion mass spectrometry (ToF-SIMS). The effects of co-jet-milling on the surface energy and in vitro dissolution of ciprofloxacin were also evaluated. Our results indicated that, in general, the ciprofloxacin co-jet-milled with l-leucine at >0.5% w/w showed a significant higher fine particle fraction (FPF) compared with the ciprofloxacin jet-milled alone. The FPF values plateau at or above 5% w/w for both MgSt and l-leucine. We have established the quantitative correlations between surface lubricant coverage and aerosolization in the tested range for each of the lubricants. More importantly, our results suggest different mechanisms to improve aerosolization for MgSt-coating and l-leucine-coating, respectively: MgSt-coating reduces inter-particulate interactions through the formation of low surface energy coating films, while l-leucine-coating not only reduces the surface energy but also creates rough particle surfaces that reduce inter-particulate contact area. Furthermore, surface coatings with 5% w/w MgSt (which is hydrophobic) did not lead to substantial changes in in vitro dissolution. Our findings have shown that the coating structure/quality and their effects could be highly dependent on the process and the coating material. The findings from this mechanistic study provide fundamental understanding of the critical effects of MgSt and l-leucine surface coverages on aerosolization and powder flow properties of inhalation particles.
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Affiliation(s)
- Sharad Mangal
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Heejun Park
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Reham Nour
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Nivedita Shetty
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Alex Cavallaro
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Dmitry Zemlyanov
- Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA
| | - Kyrre Thalberg
- Inhalation Product Development, Pharmaceutical Technology & Development, AstraZeneca, Gothenburg, Sweden
| | - Vibha Puri
- Small Molecule Pharmaceutics Department, Genentech, Inc., One DNA Way, South San Francisco, CA 94080, USA
| | - Mark Nicholas
- Inhalation Product Development, Pharmaceutical Technology & Development, AstraZeneca, Gothenburg, Sweden
| | - Ajit S Narang
- Small Molecule Pharmaceutics Department, Genentech, Inc., One DNA Way, South San Francisco, CA 94080, USA
| | - Qi Tony Zhou
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA.
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21
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Farzan M, Roth R, Québatte G, Schoelkopf J, Huwyler J, Puchkov M. Loading of Porous Functionalized Calcium Carbonate Microparticles: Distribution Analysis with Focused Ion Beam Electron Microscopy and Mercury Porosimetry. Pharmaceutics 2019; 11:E32. [PMID: 30650593 PMCID: PMC6358859 DOI: 10.3390/pharmaceutics11010032] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 11/17/2022] Open
Abstract
Accurate analysis of intraparticle distribution of substances within porous drug carriers is important to optimize loading and subsequent processing. Mercury intrusion porosimetry, a common technique used for characterization of porous materials, assumes cylindrical pore geometry, which may lead to misinterpretation. Therefore, imaging techniques such as focused ion beam scanning electron microscopy (FIB-SEM) help to better interpret these results. The purpose of this study was to investigate the differences between mercury intrusion and scanning electron microscopy and to identify the limitations of each method. Porous microparticles, functionalized calcium carbonate, were loaded with bovine serum albumin and dipalmitoylphosphatidylcholine (DPPC) by solvent evaporation and results of the pore size distribution obtained by both methods were compared. The internal structure of the novel pharmaceutical excipient, functionalized calcium carbonate, was revealed for the first time. Our results demonstrated that image analysis provides a closer representation of the material distribution since it was possible to discriminate between blocked and filled pores. The physical nature of the loaded substances is critical for the deposition within the pores of functionalized calcium carbonate. We conclude, that a combination of mercury intrusion porosimetry and focused ion beam scanning electron microscopy allows for a reliable analysis of sub-micron porous structures of particulate drug carriers.
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Affiliation(s)
- Maryam Farzan
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
| | - Roger Roth
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
| | - Gabriela Québatte
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
| | - Joachim Schoelkopf
- Fundamental research, Omya International AG, 4665 Oftringen, Switzerland.
| | - Jörg Huwyler
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
| | - Maxim Puchkov
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
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22
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Huang Z, Kunnath KT, Han X, Deng X, Chen L, Davé RN. Ultra-fine dispersible powders coated with l-Leucine via two-step co-milling. ADV POWDER TECHNOL 2018. [DOI: 10.1016/j.apt.2018.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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23
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Preparation of Ibuprofen Microparticles by Antisolvent Precipitation Crystallization Technique: Characterization, Formulation, and In Vitro Performance. J Pharm Sci 2018; 107:3060-3069. [PMID: 30098991 DOI: 10.1016/j.xphs.2018.07.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 07/31/2018] [Indexed: 11/22/2022]
Abstract
This study demonstrates the preparation and characterization of ibuprofen (IBP) microparticles with some excipients by a controlled crystallization technique with improved dissolution performance. Using the optimum concentrations pluronic F127, hydroxypropyl methyl cellulose, D-mannitol, and l-leucine in aqueous ethanol, the IBP microparticles were prepared. The dissolution tests were performed in phosphate buffer saline using a United States Pharmacopoeia dissolution tester at 37°C. The Raman spectroscopy was used to investigate the interactions and distribution of the IBP with the additives in the microcrystals. The prepared IBP microparticles showed higher dissolution compared to that of the smaller sized original IBP particles. The Raman data revealed that the excipients with a large number of hydroxyl groups distributed around the IBP particle in the crystal enhanced the dissolution of the drug by increasing the drug-solvent interaction presumably through hydrogen bonding. The Raman mapping technique gave an insight into the enhanced dissolution behavior of the prepared IBP microparticles, and such information will be useful for developing pharmaceutical formulations of hydrophobic drugs. The controlled crystallization was a useful technique to prepare complex crystals of IBP microparticles along with other additives to achieve the enhanced dissolution profile.
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24
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Improved properties of fine active pharmaceutical ingredient powder blends and tablets at high drug loading via dry particle coating. Int J Pharm 2018; 543:288-299. [DOI: 10.1016/j.ijpharm.2018.04.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/25/2018] [Accepted: 04/02/2018] [Indexed: 11/20/2022]
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25
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Niwa T, Yoshida M, Hayashi N, Kondo K. One step preparation of spherical drug particles by contamination-free dry milling technique with corn starch beads. Int J Pharm 2017. [DOI: 10.1016/j.ijpharm.2017.06.062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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26
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Kim SH, Hwang KM, Cho CH, Nguyen TT, Seok SH, Hwang KM, Kim JY, Park CW, Rhee YS, Park ES. Application of continuous twin screw granulation for the metformin hydrochloride extended release formulation. Int J Pharm 2017; 529:410-422. [PMID: 28705620 DOI: 10.1016/j.ijpharm.2017.07.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 06/17/2017] [Accepted: 07/07/2017] [Indexed: 11/17/2022]
Abstract
This study focuses on evaluating the potential of transferring from a batch process to continuous process for manufacturing of the extended release formulation. Metformin hydrochloride (HCl) was used in the model formulation which was intended to contain the high amount of hydrophilic drug. The effects of barrel temperature, binder type, powder feed rate, and screw speed on granule properties (size and strength) and torque value in twin screw granulation were investigated. Due to the high content of hydrophilic model drug, the granules prepared at a higher temperature with HPMC binding solution had the narrower size distribution and greater strength than the granules prepared with distilled water as a binding solution. After continuous drying and milling steps, the granules (continuous process) satisfied the fundamental purpose of granulation with size and flowability, despite different shape compared with the granules (batch process). Furthermore, there were no significant differences between two granulation processes in tablet properties, such as tablet hardness and in vitro release. The considerations and strategies used in this study to transfer from a batch to continuous process can be applied to other existing formulations based on high shear granulation to enable rapid process transfer in the pharmaceutical industry.
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Affiliation(s)
- Su-Hyeon Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Kyu-Min Hwang
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Cheol-Hee Cho
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Thi-Tram Nguyen
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Su Hyun Seok
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Kyu-Mok Hwang
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ju-Young Kim
- College of Pharmacy, Woosuk University, Wanju-gun 55338, Republic of Korea
| | - Chun-Woong Park
- College of Pharmacy, Chungbuk National University, Cheongju 19421, Republic of Korea
| | - Yun-Seok Rhee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Eun-Seok Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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27
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Effects of Coating Materials and Processing Conditions on Flow Enhancement of Cohesive Acetaminophen Powders by High-Shear Processing With Pharmaceutical Lubricants. J Pharm Sci 2017; 106:3022-3032. [PMID: 28551425 DOI: 10.1016/j.xphs.2017.05.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/20/2017] [Accepted: 05/04/2017] [Indexed: 11/22/2022]
Abstract
This study has investigated the surface coating efficiency and powder flow improvement of a model cohesive acetaminophen powder by high-shear processing with pharmaceutical lubricants through 2 common equipment, conical comil and high-shear mixer. Effects of coating materials and processing parameters on powder flow and surface coating coverage were evaluated. Both Carr's index and shear cell data indicated that processing with the lubricants using comil or high-shear mixer substantially improved the flow of the cohesive acetaminophen powder. Flow improvement was most pronounced for those processed with 1% wt/wt magnesium stearate, from "cohesive" for the V-blended sample to "easy flowing" for the optimally coated sample. Qualitative and quantitative characterizations demonstrated a greater degree of surface coverage for high-shear mixing compared with comilling; nevertheless, flow properties of the samples at the corresponding optimized conditions were comparable between 2 techniques. Scanning electron microscopy images demonstrated different coating mechanisms with magnesium stearate or l-leucine (magnesium stearate forms a coating layer and leucine coating increases surface roughness). Furthermore, surface coating with hydrophobic magnesium stearate did not retard the dissolution kinetics of acetaminophen. Future studies are warranted to evaluate tableting behavior of such dry-coated pharmaceutical powders.
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28
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Zarmpi P, Flanagan T, Meehan E, Mann J, Fotaki N. Biopharmaceutical aspects and implications of excipient variability in drug product performance. Eur J Pharm Biopharm 2017; 111:1-15. [DOI: 10.1016/j.ejpb.2016.11.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 11/02/2016] [Accepted: 11/07/2016] [Indexed: 12/29/2022]
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29
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Qu L, Stewart PJ, Hapgood KP, Lakio S, Morton DA, Zhou Q(T. Single-step Coprocessing of Cohesive Powder via Mechanical Dry Coating for Direct Tablet Compression. J Pharm Sci 2017; 106:159-167. [DOI: 10.1016/j.xphs.2016.07.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 07/04/2016] [Accepted: 07/20/2016] [Indexed: 11/30/2022]
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30
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Osorio JG, Sowrirajan K, Muzzio FJ. Effect of resonant acoustic mixing on pharmaceutical powder blends and tablets. ADV POWDER TECHNOL 2016. [DOI: 10.1016/j.apt.2016.03.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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