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Zhang C, Jørgensen FS, van de Weert M, Bjerregaard S, Rantanen J, Yang M. Amino acids as stabilizers for lysozyme during the spray-drying process and storage. Int J Pharm 2024; 659:124217. [PMID: 38734275 DOI: 10.1016/j.ijpharm.2024.124217] [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: 01/22/2024] [Revised: 05/07/2024] [Accepted: 05/08/2024] [Indexed: 05/13/2024]
Abstract
Amino acids (AAs) have been used as excipients in protein formulations both in solid and liquid state products due to their stabilizing effect. However, the mechanisms by which they can stabilize a protein have not been fully elucidated yet. The purpose of this study was to investigate the effect of AAs with distinct physicochemical properties on the stability of a model protein (lysozyme, LZM) during the spray-drying process and subsequent storage. Molecular descriptor based multivariate data analysis was used to select distinct AAs from the group of 20 natural AAs. Then, LZM and the five selected AAs (1:1 wt ratio) were spray-dried (SD). The solid form, residual moisture content (RMC), hygroscopicity, morphology, secondary/tertiary structure and enzymatic activity of LZM were evaluated before and after storage under 40 °C/75 % RH for 30 days. Arginine (Arg), leucine (Leu), glycine (Gly), tryptophan (Trp), aspartic acid (Asp) were selected because of their distinct properties by using principal component analysis (PCA). The SD LZM powders containing Arg, Trp, or Asp were amorphous, while SD LZM powders containing Leu or Gly were crystalline. Recrystallization of Arg, Trp, Asp and polymorph transition of Gly were observed after the storage under accelerated conditions. The morphologies of the SD particles vary upon the different AAs formulated with LZM, implying different drying kinetics of the five model systems. A tertiary structural change of LZM was observed in the SD powder containing Arg, while a decrease in the enzymatic activity of LZM was observed in the powders containing Arg or Asp after the storage. This can be attributed to the extremely basic and acidic conditions that Arg and Asp create, respectively. This study suggests that when AAs are used as stabilizers instead of traditional disaccharides, not only do classic vitrification theory and water replacement theory play a role, but the microenvironmental pH conditions created by basic or acidic AAs in the starting solution or during the storage of solid matter are also crucial for the stability of SD protein products.
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Affiliation(s)
- Chengqian Zhang
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | | | | | | | - Jukka Rantanen
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Mingshi Yang
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark; Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China.
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Li J, Zhang K, Wu D, Ren L, Chu X, Qin C, Han X, Hang T, Xu Y, Yang L, Yin L. Liposomal remdesivir inhalation solution for targeted lung delivery as a novel therapeutic approach for COVID-19. Asian J Pharm Sci 2021; 16:772-783. [PMID: 34703490 PMCID: PMC8529908 DOI: 10.1016/j.ajps.2021.09.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/24/2021] [Accepted: 09/06/2021] [Indexed: 12/25/2022] Open
Abstract
Strong infectivity enables coronavirus disease 2019 (COVID-19) to rage throughout the world. Moreover, the lack of drugs with definite therapeutic effects further aggravates the spread of the pandemic. Remdesivir is one of the most promising anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) drugs. However, the limited clinical effects make its therapeutic effect controversial, which may result from the poor accumulation and activation of remdesivir in the lung. Therefore, we developed lyophilized remdesivir liposomes (Rdv-lips) which can be reconstituted as liposomal aerosol for pulmonary delivery to improve the in vivo behavior of existing remdesivir cyclodextrin conclusion compound (Rdv-cyc) injections. Liposome encapsulation endowed remdesivir with much higher solubility and better biocompatibility. The in vitro liposomal aerosol characterization demonstrated that Rdv-lips possessed a mass median aerodynamic diameter of 4.118 µm and fine particle fraction (<5 µm) higher than 50%, indicating good pulmonary delivery properties. Compared to the Rdv-cyc intravenous injection group, the Rdv-lips inhalation group displayed a nearly 100-fold increase in the remdesivir-active metabolite nucleotide triphosphate (NTP) concentration and better NTP accumulation in the lung than the Rdv-cyc inhalation group. A faster transition from remdesivir to NTP of Rdv-lips (inhalation) could also be observed due to better cell uptake. Compared to other preparations, the superiority of Rdv-lips was further evidenced by the results of an in vivo safety study, with little possibility of inducing inflammation. In conclusion, Rdv-lips for pulmonary delivery will be a potent formulation to improve the in vivo behavior of remdesivir and exert better therapeutic effects in COVID-19 treatment.
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Affiliation(s)
- Jingjing Li
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Kai Zhang
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Di Wu
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Lianjie Ren
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Xinyu Chu
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Chao Qin
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaopeng Han
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Taijun Hang
- Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yungen Xu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Lei Yang
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
- Corresponding author.
| | - Lifang Yin
- Jiangsu Province Engineering Research Center for R&D and Evaluation of Intelligent Drugs and Key Functional Excipients, China Pharmaceutical University, Nanjing 210009, China
- Corresponding author.
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Alhajj N, O'Reilly NJ, Cathcart H. Leucine as an excipient in spray dried powder for inhalation. Drug Discov Today 2021; 26:2384-2396. [PMID: 33872799 DOI: 10.1016/j.drudis.2021.04.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/24/2021] [Accepted: 04/08/2021] [Indexed: 11/29/2022]
Abstract
Leucine is a promising excipient with several applications in the development of inhalable spray-dried powder of high- and low-dose drugs. The addition of leucine has exhibited significant enhancing effects on the aerosolization and physical stability of the produced particles. Here, we focus not only on the applications of leucine in inhalable spray-drying powders, but also on the underlying mechanisms by which the formulation and processing parameters dictate the behavior of leucine during the drying process and, therefore, its functionalities within the dried powder. Additionally, we highlight the current regulatory status of leucine. Such insights are important for more efficient utilization of leucine in the future, both for dry powder inhaler formulations and other pharmaceutical applications.
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Affiliation(s)
- Nasser Alhajj
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Waterford Institute of Technology, Waterford, Ireland.
| | - Niall J O'Reilly
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Waterford Institute of Technology, Waterford, Ireland; SSPC - The Science Foundation Ireland Research Centre for Pharmaceuticals, Ireland
| | - Helen Cathcart
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), Waterford Institute of Technology, Waterford, Ireland
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Application of artificial neural network for prediction of particle size in pharmaceutical cocrystallization using mechanochemical synthesis. Neural Comput Appl 2021. [DOI: 10.1007/s00521-021-05912-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Ignjatović J, Đuriš J, Cvijić S, Dobričić V, Montepietra A, Lombardi C, Ibrić S, Rossi A. Development of solid lipid microparticles by melt-emulsification/spray-drying processes as carriers for pulmonary drug delivery. Eur J Pharm Sci 2021; 156:105588. [PMID: 33045367 DOI: 10.1016/j.ejps.2020.105588] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/25/2020] [Accepted: 10/05/2020] [Indexed: 01/24/2023]
Abstract
The aim of this study was to optimize the parameters of the complex melt-emulsification process coupled with the spray-drying, in order to maintain the balance between solid lipid microparticles (SLMs) powders aerodynamic performance and salbutamol sulfate release rate. Quality target product profile was identified and risk management and principal component analysis were used to guide formulation development. Obtained dry powders for inhalation (DPIs) were evaluated in terms of SLMs size distribution, morphology, true density, drug content, solid state characterization studies, in vitro aerosol performance and in vitro drug release. SLMs micrographs indicated spherical, porous particles. Selected powders showed satisfactory aerosol performance with a mean mass aerodynamic diameter of around 3 μm and acceptable fine particle fraction (FPF). Addition of trehalose positively affected SLMs aerodynamic properties. The results of in vitro dissolution testing indicated that salbutamol sulfate release from the tested SLMs formulations was modified, in comparison to the raw drug release. In conclusion, SLMs in a form of DPIs were successfully developed and numerous factors that affects SLMs properties were identified in this study. Further research is required for full understanding of each factor's influence on SLMs properties and optimization of DPIs with maximized FPFs.
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Affiliation(s)
- Jelisaveta Ignjatović
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Jelena Đuriš
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia.
| | - Sandra Cvijić
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Vladimir Dobričić
- Department of Pharmaceutical Chemistry, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Agnese Montepietra
- Food and Drug Department, University of Parma, Viale delle Scienze 27/A, 43124 Parma, Italy
| | - Chiara Lombardi
- Food and Drug Department, University of Parma, Viale delle Scienze 27/A, 43124 Parma, Italy
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology and Cosmetology, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Alessandra Rossi
- Food and Drug Department, University of Parma, Viale delle Scienze 27/A, 43124 Parma, Italy
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Hamed A, Osman R, Al-Jamal KT, Holayel SM, Geneidi AS. Enhanced antitubercular activity, alveolar deposition and macrophages uptake of mannosylated stable nanoliposomes. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.03.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Yang Z, Wang L, Tian L, Zhang X, Huang G. Tadalafil-loaded PLGA microspheres for pulmonary administration: preparation and evaluation. BRAZ J PHARM SCI 2019. [DOI: 10.1590/s2175-97902019000217536] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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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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9
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Dosing challenges in respiratory therapies. Int J Pharm 2018; 548:659-671. [PMID: 30033395 DOI: 10.1016/j.ijpharm.2018.07.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 06/20/2018] [Accepted: 07/01/2018] [Indexed: 01/16/2023]
Abstract
The pulmonary route of administration has been commonly used for local lung conditions such as asthma and chronic obstructive pulmonary disease (COPD). Recently, with the advent of new technologies available for both formulation and device design, molecules usually delivered at high doses, such as antibiotics and insulin to treat cystic fibrosis (CF) and diabetes, respectively, can now be delivered by inhalation as a dry powder. These molecules are generally delivered in milligrams instead of traditional microgram quantities. High dose delivery is most commonly achieved via dry powder inhalers (DPIs), breath activated devices designed with a formulated powder containing micronized drug with aerodynamic diameters between 1 and 5 µm. The powder formulation may also contain other excipients and/or carrier particles to improve the flowability and aerosol dispersion of the powder. A drawback with high doses is that the formulation contains a great number of fine particles, leading to a greater degree of cohesive forces, producing strongly bound agglomerates. With greater cohesive forces holding fine particles together, higher dispersion forces are needed for efficient de-agglomeration and aerosolisation. This requirement of greater dispersion forces has led to different dry powder formulations and vastly different inhaler designs. The purpose of this review is to evaluate the different formulation types, various DPI devices currently available, and how these affect the aerosolisation process and delivery of high dosed inhalable dry powder formulations to the lungs.
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Buttini F, Rozou S, Rossi A, Zoumpliou V, Rekkas DM. The application of Quality by Design framework in the pharmaceutical development of dry powder inhalers. Eur J Pharm Sci 2018; 113:64-76. [DOI: 10.1016/j.ejps.2017.10.042] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 10/31/2017] [Accepted: 10/31/2017] [Indexed: 12/31/2022]
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Ojarinta R, Lerminiaux L, Laitinen R. Spray drying of poorly soluble drugs from aqueous arginine solution. Int J Pharm 2017; 532:289-298. [DOI: 10.1016/j.ijpharm.2017.09.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 09/05/2017] [Accepted: 09/07/2017] [Indexed: 12/20/2022]
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Spray-dried amorphous isomalt and melibiose, two potential protein-stabilizing excipients. Int J Pharm 2016; 510:311-22. [PMID: 27321131 DOI: 10.1016/j.ijpharm.2016.06.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 05/27/2016] [Accepted: 06/13/2016] [Indexed: 11/21/2022]
Abstract
The possibility of producing amorphous isomalt and melibiose by spray drying was studied. The impact of process parameters on yield and solid-state stability was compared to sucrose and trehalose. All powders remained amorphous during 2-3 weeks. Processing was challenging due to powder stickiness. Low-temperature and low-humidity drying processes generally performed best. Most isomalt and sucrose powder was retrieved when using 60°C inlet temperature, 800L/h atomizing rate, 1.4ml/min feed rate, 15% concentration and 100% aspirator rate, giving 42-43°C outlet temperature. Isomalt was the most problematic, because it had the lowest Tg and became sticky very easily, therefore process parameters needed to be precisely balanced. There was more freedom in designing processes for melibiose but best yields were obtained with low-temperature (50°C inlet temperature, 800L/h atomizing rate, 4.9ml/min feed rate, 10% concentration and 100% aspirator, 39°C outlet temperature). Trehalose was different in that higher temperatures resulted in better yields. Yet, trehalose generally contained the highest moisture contents. The possibility to produce amorphous isomalt and melibiose at low-temperature process conditions makes them promising considering spray drying applications for heat-sensitive proteins. Melibiose is a better candidate than isomalt because of easier processability and superior solid-state stability.
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