1
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Pena ES, Batty CJ, Hendy DA, Yang S, Ontiveros-Padilla L, Stiepel RT, Ting JPY, Ainslie KM, Bachelder EM. Comparative study of acetalated-dextran microparticle fabrication methods for a clinically translatable subunit-based influenza vaccine. Int J Pharm 2024; 652:123836. [PMID: 38266940 PMCID: PMC10923012 DOI: 10.1016/j.ijpharm.2024.123836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/15/2024] [Accepted: 01/20/2024] [Indexed: 01/26/2024]
Abstract
The most common influenza vaccines are inactivated viruses produced in chicken eggs, which is a time-consuming production method with variable efficacy due to mismatches of the vaccine strains to the dominant circulating strains. Subunit-based vaccines provide faster production times in comparison to the traditional egg-produced vaccines but often require the use of an adjuvant to elicit a highly protective immune response. However, the current FDA approved adjuvant for influenza vaccines (MF59) elicits a primarily helper T-cell type 2 (Th2)-biased humoral immune response. Adjuvants that can stimulate a Th1 cellular response are correlated to have more robust protection against influenza. The cyclic dinucleotide cGAMP has been shown to provide a potent Th1 response but requires the use of a delivery vehicle to best initiate its signalling pathway in the cytosol. Herein, acetalated dextran (Ace-DEX) was used as the polymer to fabricate microparticles (MPs) via double-emulsion, electrospray, and spray drying methods to encapsulate cGAMP. This study compared each fabrication method's ability to encapsulate and retain the hydrophilic adjuvant cGAMP. We compared their therapeutic efficacy to Addavax, an MF59-like adjuvant, and cGAMP Ace-DEX MPs provided a stronger Th1 response in vaccinated BALB/c mice. Furthermore, we compared Ace-DEX MPs to spray dried MPs composed from a commonly used polymer for drug delivery, poly(lactic-co-glycolic acid) (PLGA). We observed that all Ace-DEX MPs elicited similar humoral and cellular responses to the PLGA MPs. Overall, the results shown here indicate Ace-DEX can perform similarly to PLGA as a polymer for drug delivery and that spray drying can provide an efficient way to produce MPs to encapsulate cGAMP and stimulate the immune system.
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Affiliation(s)
- Erik S Pena
- Department of Biomedical Engineering, North Carolina State University and University of North Carolina, Chapel Hill, NC, USA
| | - Cole J Batty
- Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Dylan A Hendy
- Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Shuangshuang Yang
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA; Department of Genetics, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | - Luis Ontiveros-Padilla
- Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Rebeca T Stiepel
- Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Jenny P-Y Ting
- Department of Microbiology and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA; Department of Genetics, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
| | - Kristy M Ainslie
- Department of Biomedical Engineering, North Carolina State University and University of North Carolina, Chapel Hill, NC, USA; Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA; Department of Microbiology and Immunology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA.
| | - Eric M Bachelder
- Division of Pharmacoengineering & Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
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2
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Simões A, Veiga F, Vitorino C. Question-based review for pharmaceutical development: An enhanced quality approach. Eur J Pharm Biopharm 2024; 195:114174. [PMID: 38160986 DOI: 10.1016/j.ejpb.2023.114174] [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: 11/22/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
Over the last years, the pharmaceutical industry has faced real challenges regarding quality assurance. In this context, the establishment of more holistic approaches to the pharmaceutical development has been encouraged. The emergence of the Quality by Design (QbD) paradigm as systematic, scientific and risk-based methodology introduced a new concept of pharmaceutical quality. In essence, QbD can be interpreted as a strategy to maximize time and cost savings. An in-depth understanding of the formulation and manufacturing process is demanded to optimize the safety, efficacy and quality of a drug product at all stages of development. This innovative approach streamlines the pharmaceutical Research and Development (R&D) process, provides greater manufacturing flexibility and reduces regulatory burden. To assist in QbD implementation, International Conference on Harmonisation (ICH), U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) organized and launched QbD principles in their guidance for industry, identifying key concepts and tools to design and develop a high-quality drug product. Despite the undeniable advantages of the QbD approach, and the widespread information on QbD regulatory expectations, its full implementation in the pharmaceutical field is still limited. The present review aims to establish a crosswise overview on the current application status of QbD within the framework of the ICH guidelines (ICH Q8(R2) - Q14 and ICH Q2(R2)). Moreover, it outlines the way information gathered from the QbD methodology is being harmonized in Marketing Authorization Applications (MAAs) for European market approval. This work also highlights the challenges that hinder the deployment of the QbD strategy as a standard practice.
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Affiliation(s)
- Ana Simões
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV/REQUIMTE), Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Francisco Veiga
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV/REQUIMTE), Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, 3000-548 Coimbra, Portugal; Coimbra Chemistry Centre, Institute of Molecular Sciences - IMS, Department of Chemistry, University of Coimbra 3004-535 Coimbra, Portugal.
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3
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Fuhrmann G, Mehanny M. Spray Drying of Bacterial Membrane Vesicles for Vaccine Delivery. Methods Mol Biol 2024; 2843:163-175. [PMID: 39141300 DOI: 10.1007/978-1-0716-4055-5_11] [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: 08/15/2024]
Abstract
Extracellular vesicles are nanosized lipid-bilayered spheres secreted from every living cell and they serve physiological and pathophysiological functions. Bacterial membrane vesicles are shed from both Gram-negative and Gram-positive bacteria and harbor many virulence factors, nuclear material, polysaccharides, proteins, and antigenic determinants, which are essential for immune recognition and evasion. Hence, bacterial membrane vesicles are very promising vaccine candidates. Spray drying is a well-established pharmaceutical technique to produce inhalable dry powders with enhanced stability for formulations of vaccines. In this chapter, we illustrate general guidelines for spray drying of bacterial extracellular vesicles to improve their stability without compromising their immunogenic protective effect. We discuss some of the most important experiments to characterize the generated spray-dried bacterial membrane vesicle powder vaccine.
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Affiliation(s)
- Gregor Fuhrmann
- Department of Biology, Pharmaceutical Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany.
- FAU NeW-Research Center New Bioactive Compounds, Erlangen, Germany.
| | - Mina Mehanny
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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4
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Alhajj N, O'Reilly NJ, Cathcart H. Quality by Design - Spray drying of Ciprofloxacin-Quercetin Fixed-Dose Combination Intended for Inhalation. Int J Pharm 2023:123151. [PMID: 37364778 DOI: 10.1016/j.ijpharm.2023.123151] [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: 05/15/2023] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 06/28/2023]
Abstract
Spray drying is a well-suited technique for producing fixed-dose drug combinations. There has been a growing interest in utilizing spray drying to engineer carrier-free inhalable drug particles. The aim of this study was to understand and optimise the spray drying process of a ciprofloxacin-quercetin fixed dose combination intended for pulmonary administration. A 24-1 fractional factorial design and multivariate data analysis was used to identify important process parameters and investigate correlations with particle characteristics. The independent variables were solute concentration along with the processing parameters: solution flow rate, atomizing air flow rate and inlet temperature. The dependent variables included particle size distribution, yield and residual moisture content (RMC). Correlations between dependent and independent variables were further investigated via principal component analysis. Overall, solution flow rate, atomizing air flow rate and inlet temperature were found to affect the particle size D(v,50) and D(v,90) while the solute concentration and the atomizing air flow rate mainly affected the span. The inlet temperature was the most important parameter affecting the RMC and the yield. The formulation with optimized independent variables had a D(v,50) and span values of 2.42 µm and 1.81 with excellent process yield > 70% and low RMC i.e. 3.4%. The optimized formulation was further investigated for its in vitro aerosolization performance using next generation impactor (NGI); it exhibited high emitted dose (ED > 80%) and fine particle fractions (FPF > 70%) for both drugs.
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Affiliation(s)
- Nasser Alhajj
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), South East Technological University (SETU), Main Campus, Cork Road, Waterford X91 K0EK, Ireland.
| | - Niall J O'Reilly
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), South East Technological University (SETU), Main Campus, Cork Road, Waterford X91 K0EK, Ireland; SSPC - The Science Foundation Ireland Research Centre for Pharmaceuticals, Ireland
| | - Helen Cathcart
- Pharmaceutical and Molecular Biotechnology Research Centre (PMBRC), South East Technological University (SETU), Main Campus, Cork Road, Waterford X91 K0EK, Ireland
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5
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Gomes KB, Menon I, Bagwe P, Bajaj L, Kang SM, D’Souza MJ. Enhanced Immunogenicity of an Influenza Ectodomain Matrix-2 Protein Virus-like Particle (M2e VLP) Using Polymeric Microparticles for Vaccine Delivery. Viruses 2022; 14:1920. [PMID: 36146733 PMCID: PMC9506217 DOI: 10.3390/v14091920] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/19/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, we demonstrate how encapsulating a conserved influenza ectodomain matrix-2 protein virus-like particle (M2e5x VLP) into a pre-crosslinked bovine serum albumin (BSA) polymeric matrix enhances in vitro antigen immunogenicity and in vivo efficacy. The spray-dried M2e5x VLP-loaded BSA microparticles (MPs) showed enhanced stimulation of antigen presenting cells (APCs), as confirmed through nitrite production and increased antigen-cell interactions seen in real time using live-cell imaging. Next, to further boost the immunogenicity of M2e5x VLP microparticles, M2e5x MPs were combined with Alhydrogel® and monophosphoryl lipid-A (MPL-A®) adjuvant microparticles. M2e5x VLP MPs and the combination VLP M2e5x VLP + Alhydrogel® + MPL-A® MPs elicited a significant increase in the expression of antigen-presenting molecules in dendritic cells compared to M2e5x VLP alone. Lastly, for preliminary evaluation of in vivo efficacy, the vaccine was administered in mice through the skin using an ablative laser. The M2e5x VLP + Alhydrogel® + MPL-A® MPs were shown to induce high levels of M2e-specific IgG antibodies. Further, a challenge with live influenza revealed heightened T-cell stimulation in immune organs of mice immunized with M2e5x VLP + Alhydrogel® + MPL-A® MPs. Hence, we utilized the advantages of both VLP and polymeric delivery platforms to enhance antigen immunogenicity and adaptive immunity in vivo.
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Affiliation(s)
- Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Lotika Bajaj
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity, and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Martin J. D’Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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6
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Spray drying process optimization: Drought resistant variety (W82) soymilk powder using response surface methodology (RSM). Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Ghaemmaghamian Z, Zarghami R, Walker G, O'Reilly E, Ziaee A. Stabilizing vaccines via drying: Quality by design considerations. Adv Drug Deliv Rev 2022; 187:114313. [PMID: 35597307 DOI: 10.1016/j.addr.2022.114313] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/26/2022] [Accepted: 04/26/2022] [Indexed: 12/12/2022]
Abstract
Pandemics and epidemics are continually challenging human beings' health and imposing major stresses on the societies particularly over the last few decades, when their frequency has increased significantly. Protecting humans from multiple diseases is best achieved through vaccination. However, vaccines thermal instability has always been a hurdle in their widespread application, especially in less developed countries. Furthermore, insufficient vaccine processing capacity is also a major challenge for global vaccination programs. Continuous drying of vaccine formulations is one of the potential solutions to these challenges. This review highlights the challenges on implementing the continuous drying techniques for drying vaccines. The conventional drying methods, emerging technologies and their adaptation by biopharmaceutical industry are investigated considering the patented technologies for drying of vaccines. Moreover, the current progress in applying Quality by Design (QbD) in each of the drying techniques considering the critical quality attributes (CQAs), critical process parameters (CPPs) are comprehensively reviewed. An expert advice is presented on the required actions to be taken within the biopharmaceutical industry to move towards continuous stabilization of vaccines in the realm of QbD.
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Affiliation(s)
- Zahra Ghaemmaghamian
- Pharmaceutical Engineering Research Laboratory, Pharmaceutical Process Centers of Excellence, School of Chemical Engineering, University of Tehran, Tehran, Iran
| | - Reza Zarghami
- Pharmaceutical Engineering Research Laboratory, Pharmaceutical Process Centers of Excellence, School of Chemical Engineering, University of Tehran, Tehran, Iran
| | - Gavin Walker
- SSPC, The SFI Research Centre of Pharmaceuticals, Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick, Ireland
| | - Emmet O'Reilly
- SSPC, The SFI Research Centre of Pharmaceuticals, Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick, Ireland
| | - Ahmad Ziaee
- SSPC, The SFI Research Centre of Pharmaceuticals, Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick, Ireland.
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8
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Gomez M, Vehring R. Spray Drying and Particle Engineering in Dosage Form Design for Global Vaccines. J Aerosol Med Pulm Drug Deliv 2022; 35:121-138. [PMID: 35172104 DOI: 10.1089/jamp.2021.0056] [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] [Indexed: 12/27/2022] Open
Abstract
Vaccines are a very important tool in the effort to reduce the global burden of infectious diseases. Modern vaccines can be formulated in several ways to induce specific immunity, including through the use of live bacteria, subunit antigens, and even genetic material. However, vaccines typically need to be transported and stored under controlled refrigerated or frozen conditions to maintain potency. This strict temperature control is incompatible with the available infrastructure in many developing countries. One method of improving the thermostability of a vaccine is through drying of a liquid presentation into a dry dosage form. In addition to enhancing the capability for distribution in resource-poor settings, these dry vaccine forms are more suitable for long-term stockpiling. Spray drying is a drying method that has been successfully used to stabilize many experimental vaccines into a dry form for storage above refrigerated temperatures. Additionally, the use of spray drying allows for the production of engineered particles suitable for respiratory administration. These particles can be further designed for increased out-of-package robustness against high humidity. Furthermore, there are already commercial dry powder delivery devices available that can be used to safely deliver vaccines to the respiratory system. The research in this field demonstrates that the resources to develop highly stable vaccines in flexible dosage forms are available and that these presentations offer many advantages for global vaccination campaigns.
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Affiliation(s)
- Mellissa Gomez
- Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - Reinhard Vehring
- Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada
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9
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Tchuenbou-Magaia FL, Tolve R, Anyadike U, Giarola M, Favati F. Co-encapsulation of vitamin D and rutin in chitosan-zein microparticles. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [PMCID: PMC8853056 DOI: 10.1007/s11694-022-01340-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
AbstractThere is a growing interest in co-encapsulating multiple species to harness potential synergy between them, enhance their stability and efficacy in various products. The aim of this work was to co-encapsulate vitamin D3 and rutin inside chitosan-zein microparticles using a simple and easily scalable process for food fortification. This was achieved via anti-solvent precipitation coupled with spray-drying. Free-flowing powders of spherical microparticles with wrinkled surface and particle size < 10 μm were obtained. The encapsulation efficiency was 75% for vitamin D3 and 44% for rutin and this could be attributed to their different molecular size and affinity to the aqueous phase. The physicochemical properties were characterized by X-Ray powder diffraction and Fourier transform infrared spectroscopy. The two crystalline bioactive compounds were present in the microparticles in amorphous form, which would allow for better bioavailability when compared to non-encapsulated crystalline solid. Therefore, the obtained microparticles would be suitable for use as food ingredient for vitamin D3 fortification, with the co-encapsulated rutin acting as stability and activity enhancer.
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10
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Masjedi M, Montahaei T, Sharafi Z, Jalali A. Pulmonary vaccine delivery: An emerging strategy for vaccination and immunotherapy. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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11
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Witeof AE, McClary W, Rea LT, Yang Q, Davis MM, Funke H, Catalano C, Randolph T. Atomic-Layer Deposition Processes Applied to Phage λ and a Phage-Like Particle Platform Yield Thermostable, Single-Shot Vaccines. J Pharm Sci 2022; 111:1354-1362. [DOI: 10.1016/j.xphs.2022.01.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/10/2022] [Accepted: 01/10/2022] [Indexed: 12/19/2022]
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12
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Nespi M, Kuhn R, Yen CW, Lubach JW, Leung D. Optimization of Spray-Drying Parameters for Formulation Development at Preclinical Scale. AAPS PharmSciTech 2021; 23:28. [PMID: 34931259 DOI: 10.1208/s12249-021-02160-1] [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: 07/29/2021] [Accepted: 10/06/2021] [Indexed: 12/14/2022] Open
Abstract
Spray-drying dispersion (SDD) is a well-established manufacturing technique used to prepare amorphous solid dispersions (ASDs), allowing for poorly soluble drugs to have improved bioavailability. However, the process of spray-drying with multiple factors and numerous variables can lead to a lengthy development timeline with intense resource requirements, which becomes the main obstacle limiting spray-drying development at the preclinical stage. The purpose of this work was to identify optimized preset parameters for spray-drying to support the early development of ASDs suitable for most circumstances rather than individual optimization. First, a mini-DoE (Design of Experiment) study was designed to evaluate the critical interplay of two key variables for spray-drying using a BUCHI B-290 mini spray dryer: solid load and atomizing spray gas flow. The critical quality attributes (CQAs) of the ASDs, including yield, particle size, morphology, and in vitro release profile, were taken into account to identify the impact of the key variables. The mini-DoE results indicated that a 5% solid load (w/v %) and 35 mm height atomizing spray gas flow were the most optimized parameters. These predefined values were further verified using different formulation compositions, including various polymers (Eudragit L100-55, HPMCAS-MF, PVAP, and PVP-VA64) and drugs (G-F, GEN-A, Indomethacin, and Griseofulvin), a range of drug loading (10 to 40%), and scale (200 mg to 200 g). Using these predefined parameters, all ASD formulations resulted in good yields as well as consistent particle size distribution. This was despite the differences in the formulations, making this a valuable and rapid approach ideal for early development. This strategy of leveraging the preset spray-drying parameters was able to successfully translate into a reproducible and efficient spray-drying platform while also saving material and reducing developmental timelines in early-stage formulation development.
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Quarta E, Sonvico F, Bettini R, De Luca C, Dotti A, Catalucci D, Iafisco M, Degli Esposti L, Colombo G, Trevisi G, Rekkas DM, Rossi A, Wong TW, Buttini F, Colombo P. Inhalable Microparticles Embedding Calcium Phosphate Nanoparticles for Heart Targeting: The Formulation Experimental Design. Pharmaceutics 2021; 13:pharmaceutics13111825. [PMID: 34834240 PMCID: PMC8617656 DOI: 10.3390/pharmaceutics13111825] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/20/2021] [Accepted: 10/23/2021] [Indexed: 11/30/2022] Open
Abstract
Inhalation of Calcium Phosphate nanoparticles (CaPs) has recently unmasked the potential of this nanomedicine for a respiratory lung-to-heart drug delivery targeting the myocardial cells. In this work, we investigated the development of a novel highly respirable dry powder embedding crystalline CaPs. Mannitol was selected as water soluble matrix excipient for constructing respirable dry microparticles by spray drying technique. A Quality by Design approach was applied for understanding the effect of the feed composition and spraying feed rate on typical quality attributes of inhalation powders. The in vitro aerodynamic behaviour of powders was evaluated using a medium resistance device. The inner structure and morphology of generated microparticles were also studied. The 1:4 ratio of CaPs/mannitol led to the generation of hollow microparticles, with the best aerodynamic performance. After microparticle dissolution, the released nanoparticles kept their original size.
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Affiliation(s)
- Eride Quarta
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- PlumeStars Srl., c/o Food & Drug Department, Parco Area delle Scienze 27A, 43124 Parma, Italy
| | - Fabio Sonvico
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Ruggero Bettini
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Claudio De Luca
- Fin-Ceramica Faenza SPA, Via Granarolo 177/3, 48018 Faenza, Italy; (C.D.L.); (A.D.)
| | - Alessandro Dotti
- Fin-Ceramica Faenza SPA, Via Granarolo 177/3, 48018 Faenza, Italy; (C.D.L.); (A.D.)
| | - Daniele Catalucci
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy;
- Institute of Genetic and Biomedical Research (IRGB)-UOS Milan, National Research Council (CNR), 20138 Milan, Italy
| | - Michele Iafisco
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (M.I.); (L.D.E.)
| | - Lorenzo Degli Esposti
- Institute of Science and Technology for Ceramics (ISTEC), National Research Council (CNR), Via Granarolo 64, 48018 Faenza, Italy; (M.I.); (L.D.E.)
| | - Gaia Colombo
- Department of Life Sciences and Biotechnology, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy;
| | - Giovanna Trevisi
- Institute of Materials for Electronics and Magnetism (IMEM), National Research Council (CNR), Parco Area delle Scienze 37/A, 43124 Parma, Italy;
| | - Dimitrios M. Rekkas
- Department of Pharmacy, National and Kapodistrian University of Athens, 15784 Zografou, Athens, Greece;
| | - Alessandra Rossi
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
| | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, Smart Manufacturing Research Institute, Universiti Teknologi MARA, Puncak Alam 42300, Selangor, Malaysia;
| | - Francesca Buttini
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- Correspondence: (F.B.); or (P.C.); Tel.: +39-0521-906008 (F.B.); +39-0521-905086 (P.C.)
| | - Paolo Colombo
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy; (E.Q.); (F.S.); (R.B.); (A.R.)
- PlumeStars Srl., c/o Food & Drug Department, Parco Area delle Scienze 27A, 43124 Parma, Italy
- Correspondence: (F.B.); or (P.C.); Tel.: +39-0521-906008 (F.B.); +39-0521-905086 (P.C.)
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14
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Preston KB, Wong TAS, To A, Tashiro TE, Lieberman MM, Granados A, Feliciano K, Harrison J, Yalley-Ogunro J, Elyard HA, Donini O, Lehrer AT, Randolph TW. Single-vial filovirus glycoprotein vaccines: Biophysical characteristics and immunogenicity after co-lyophilization with adjuvant. Vaccine 2021; 39:5650-5657. [PMID: 34400019 DOI: 10.1016/j.vaccine.2021.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/23/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Zaire ebolavirus (EBOV), Sudan ebolavirus (SUDV), and Marburg marburgvirus (MARV) are the most prevalent and pathogenic species of filovirus. Previously, we showed that glycoprotein antigens from each virus could be lyophilized to create thermostable monovalent subunit vaccines. However, cross-protection is not expected from the monovalent vaccines and therefore developing a trivalent filovirus vaccine would be desirable. Subunit protein vaccines often require the addition of an adjuvant to sufficiently boost the immunogenicity. Typically, liquid suspensions or emulsions of adjuvants and lyophilized antigens are stored in separate vials to avoid destabilizing interactions and are only mixed immediately before administration. Herein, we describe the development and characterization of monovalent and trivalent filovirus vaccines that are co-lyophilized with a squalane-in-water emulsion adjuvant. We found that the single-vial presentation retained adjuvant particle diameter and zeta potential after lyophilization and reconstitution. Furthermore, the trivalent vaccines elicited high antibody levels against all three antigens in mice and non-human primates. These results advance the prospect of developing a single-vial trivalent filovirus vaccine, which would enable easier distribution and administration of the vaccine to resource-poor areas.
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Affiliation(s)
- Kendall B Preston
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States
| | - Teri Ann S Wong
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Albert To
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Taylor E Tashiro
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Michael M Lieberman
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | | | | | | | | | | | | | - Axel T Lehrer
- Department of Tropical Medicine, Medical Microbiology & Pharmacology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI 96813, United States
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States.
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15
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Gomez M, Archer M, Barona D, Wang H, Ordoubadi M, Bin Karim S, Carrigy NB, Wang Z, McCollum J, Press C, Gerhardt A, Fox CB, Kramer RM, Vehring R. Microparticle encapsulation of a tuberculosis subunit vaccine candidate containing a nanoemulsion adjuvant via spray drying. Eur J Pharm Biopharm 2021; 163:23-37. [PMID: 33753213 PMCID: PMC8096719 DOI: 10.1016/j.ejpb.2021.03.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 03/10/2021] [Accepted: 03/13/2021] [Indexed: 12/20/2022]
Abstract
Spray drying is a technique that can be used to stabilize biopharmaceuticals, such as vaccines, within dry particles. Compared to liquid pharmaceutical products, dry powder has the potential to reduce costs associated with refrigerated storage and transportation. In this study, spray drying was investigated for processing an adjuvanted tuberculosis subunit vaccine, formulated as an oil-in-water nanoemulsion, into a dry powder composed of microparticles. Applying in-silico approaches to the development of formulation and processing conditions, successful encapsulation of the adjuvanted vaccine within amorphous microparticles was achieved in only one iteration, with high retention (>90%) of both the antigen and adjuvant system. Moisture-controlled stability studies on the powder were conducted over 26 months at temperatures up to 40 °C. Results showed that the powder was physically stable after 26 months of storage for all tested temperatures. Adjuvant system integrity was maintained at temperatures up to 25 °C after 26 months and after one month of storage at 40 °C. The spray-dried product demonstrated improved antigen thermostability when stored above refrigerated temperatures as compared to the liquid product. These results demonstrate the feasibility of spray drying as a method of encapsulating and stabilizing an adjuvanted vaccine.
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Affiliation(s)
- Mellissa Gomez
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | | | - David Barona
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Hui Wang
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Mani Ordoubadi
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Shabab Bin Karim
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Nicholas B Carrigy
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Zheng Wang
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | | | - Chris Press
- Infectious Disease Research Institute, Seattle, WA, USA
| | | | - Christopher B Fox
- Infectious Disease Research Institute, Seattle, WA, USA; Department of Global Health, University of Washington, Seattle, WA, USA
| | - Ryan M Kramer
- Infectious Disease Research Institute, Seattle, WA, USA
| | - Reinhard Vehring
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada.
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16
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Preston KB, Randolph TW. Stability of lyophilized and spray dried vaccine formulations. Adv Drug Deliv Rev 2021; 171:50-61. [PMID: 33484735 DOI: 10.1016/j.addr.2021.01.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/16/2022]
Abstract
Liquid formulations of vaccines are subject to instabilities that result from degradation processes that proceed via a variety of physical and chemical pathways. In dried formulations, such as those prepared by lyophilization or spray drying, many of these degradation pathways may be avoided or inhibited. Thus, the stability of vaccine formulations can be enhanced significantly in the absence of bulk water. Potential advantages of dry vaccine formulations include extended shelf lives and less stringent cold-chain storage requirements, both of which offer possibilities of reduced vaccine wastage and facilitated distribution to resource-poor areas. Lyophilization and spray drying represent the most common methods of stabilizing vaccines through drying. This article reviews several lyophilized and spray dried vaccines that address a diverse set of pathogens, as well as some of the assays used to quantify their stability. Recent dry vaccine trends include needle-free delivery of dry powder via non-parenteral routes of administration and the incorporation of advanced vaccine adjuvants into formulations, which further contribute to the goal of increasing vaccine distribution to resource-poor areas. Challenges associated with development of these newer technologies are also discussed.
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Affiliation(s)
- Kendall B Preston
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States of America
| | - Theodore W Randolph
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, United States of America.
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17
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Gomez M, McCollum J, Wang H, Ordoubadi M, Jar C, Carrigy NB, Barona D, Tetreau I, Archer M, Gerhardt A, Press C, Fox CB, Kramer RM, Vehring R. Development of a formulation platform for a spray-dried, inhalable tuberculosis vaccine candidate. Int J Pharm 2021; 593:120121. [PMID: 33278492 PMCID: PMC7790949 DOI: 10.1016/j.ijpharm.2020.120121] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/17/2020] [Accepted: 11/22/2020] [Indexed: 12/24/2022]
Abstract
Protection against primarily respiratory infectious diseases, such as tuberculosis (TB), can likely be enhanced through mucosal immunization induced by direct delivery of vaccines to the nose or lungs. A thermostable inhalable dry powder vaccine offers further advantages, such as independence from the cold chain. In this study, we investigate the formulation for a stable, inhalable dry powder version of ID93 + GLA-SE, an adjuvanted subunit TB vaccine candidate, containing recombinant fusion protein ID93 and glucopyranosyl lipid A (GLA) in a squalene emulsion (SE) as an adjuvant system, via spray drying. The addition of leucine (20% w/w), pullulan (10%, 20% w/w), and trileucine (3%, 6% w/w) as dispersibility enhancers was investigated with trehalose as a stabilizing agent. Particle morphology and solid state, nanoemulsion droplet size, squalene and GLA content, ID93 presence, and aerosol performance were assessed for each formulation. The results showed that the addition of leucine improved aerosol performance, but increased aggregation of the emulsion droplets was demonstrated on reconstitution. Addition of pullulan preserved emulsion droplet size; however, the antigen could not be detected after reconstitution. The trehalose-trileucine excipient formulations successfully stabilized the adjuvant system, with evidence indicating retention of the antigen, in an inhalable dry powder format suitable for lung delivery.
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Affiliation(s)
- Mellissa Gomez
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | | | - Hui Wang
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Mani Ordoubadi
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Chester Jar
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Nicholas B Carrigy
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - David Barona
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Isobel Tetreau
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | | | | | - Chris Press
- Infectious Disease Research Institute, Seattle, WA, USA
| | - Christopher B Fox
- Infectious Disease Research Institute, Seattle, WA, USA; Department of Global Health, University of Washington, Seattle, WA, USA
| | - Ryan M Kramer
- Infectious Disease Research Institute, Seattle, WA, USA
| | - Reinhard Vehring
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada.
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18
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Tse JY, Kadota K, Imakubo T, Uchiyama H, Tozuka Y. Enhancement of the extra-fine particle fraction of levofloxacin embedded in excipient matrix formulations for dry powder inhaler using response surface methodology. Eur J Pharm Sci 2021; 156:105600. [DOI: 10.1016/j.ejps.2020.105600] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 09/10/2020] [Accepted: 10/13/2020] [Indexed: 01/31/2023]
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19
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Doerr FJS, Burns LJ, Lee B, Hinds J, Davis-Harrison RL, Frank SA, Florence AJ. Peptide Isolation via Spray Drying: Particle Formation, Process Design and Implementation for the Production of Spray Dried Glucagon. Pharm Res 2020; 37:255. [PMID: 33319329 PMCID: PMC7736029 DOI: 10.1007/s11095-020-02942-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/29/2020] [Indexed: 12/01/2022]
Abstract
PURPOSE Spray drying plays an important role in the pharmaceutical industry for product development of sensitive bio-pharmaceutical formulations. Process design, implementation and optimisation require in-depth knowledge of process-product interactions. Here, an integrated approach for the rapid, early-stage spray drying process development of trehalose and glucagon on lab-scale is presented. METHODS Single droplet drying experiments were used to investigate the particle formation process. Process implementation was supported using in-line process analytical technology within a data acquisition framework recording temperature, humidity, pressure and feed rate. During process implementation, off-line product characterisation provided additional information on key product properties related to residual moisture, solid state structure, particle size/morphology and peptide fibrillation/degradation. RESULTS A psychrometric process model allowed the identification of feasible operating conditions for spray drying trehalose, achieving high yields of up to 84.67%, and significantly reduced levels of residual moisture and particle agglomeration compared to product obtained during non-optimal drying. The process was further translated to produce powders of glucagon and glucagon-trehalose formulations with yields of >83.24%. Extensive peptide aggregation or degradation was not observed. CONCLUSIONS The presented data-driven process development concept can be applied to address future isolation problems on lab-scale and facilitate a systematic implementation of spray drying for the manufacturing of sensitive bio-pharmaceutical formulations.
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Affiliation(s)
- Frederik J S Doerr
- EPSRC CMAC Future Manufacturing Research Hub, Technology and Innovation Centre, 99 George Street, Glasgow, G1 1RD, UK
- Strathclyde Institute of Pharmacy & Biomedical Sciences (SIPBS), University of Strathclyde, Glasgow, G4 0RE, UK
| | - Lee J Burns
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, IN, 46221, USA
| | - Becky Lee
- Eurofins Lancaster Laboratories PSS, Indianapolis, IN, 46221, USA
| | - Jeremy Hinds
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, IN, 46221, USA
| | | | - Scott A Frank
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, IN, 46221, USA
| | - Alastair J Florence
- EPSRC CMAC Future Manufacturing Research Hub, Technology and Innovation Centre, 99 George Street, Glasgow, G1 1RD, UK.
- Strathclyde Institute of Pharmacy & Biomedical Sciences (SIPBS), University of Strathclyde, Glasgow, G4 0RE, UK.
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20
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Rational Design of a Glycoconjugate Vaccine against Group A Streptococcus. Int J Mol Sci 2020; 21:ijms21228558. [PMID: 33202815 PMCID: PMC7696035 DOI: 10.3390/ijms21228558] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/05/2020] [Accepted: 11/10/2020] [Indexed: 12/14/2022] Open
Abstract
No commercial vaccine is yet available against Group A Streptococcus (GAS), major cause of pharyngitis and impetigo, with a high frequency of serious sequelae in low- and middle-income countries. Group A Carbohydrate (GAC), conjugated to an appropriate carrier protein, has been proposed as an attractive vaccine candidate. Here, we explored the possibility to use GAS Streptolysin O (SLO), SpyCEP and SpyAD protein antigens with dual role of antigen and carrier, to enhance the efficacy of the final vaccine and reduce its complexity. All protein antigens resulted good carrier for GAC, inducing similar anti-GAC IgG response to the more traditional CRM197 conjugate in mice. However, conjugation to the polysaccharide had a negative impact on the anti-protein responses, especially in terms of functionality as evaluated by an IL-8 cleavage assay for SpyCEP and a hemolysis assay for SLO. After selecting CRM197 as carrier, optimal conditions for its conjugation to GAC were identified through a Design of Experiment approach, improving process robustness and yield This work supports the development of a vaccine against GAS and shows how novel statistical tools and recent advancements in the field of conjugation can lead to improved design of glycoconjugate vaccines.
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21
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Toniolo SP, Afkhami S, D'Agostino MR, Lichty BD, Cranston ED, Xing Z, Thompson MR. Spray dried VSV-vectored vaccine is thermally stable and immunologically active in vivo. Sci Rep 2020; 10:13349. [PMID: 32770018 PMCID: PMC7414861 DOI: 10.1038/s41598-020-70325-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 06/15/2020] [Indexed: 12/12/2022] Open
Abstract
Effective vaccine delivery and coverage to rural and resource-poor countries is hindered by the dependence on cold chain storage. As such, developments of cold chain-free technologies are highly sought. Although spray dried adenoviral vectors have shown long term stability at ambient temperatures and relatively low humidity, it remains to be determined whether similar excipient formulations are applicable to other viral vectors. To address this, we have spray dried vesicular stomatitis virus (VSV)-vectors with a panel of well-characterized sugar excipients to determine the optimal formulation for vector stabilization. Upon reconstitution, we show that trehalose conferred superior stability of VSV both in vitro and in vivo. Importantly, following cold chain-free storage at elevated temperatures at 37 °C for 15 days, we show that a VSV-vectored vaccine retains its in vivo immunogenicity, whereas a liquid control completely lost its immune-stimulating ability. Our results provide foundational evidence that spray drying with properly tested excipients can stabilize viral vectors such as VSV, allowing them to be stored long-term at elevated temperatures without dependency on cold chain conditions.
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Affiliation(s)
- Steven P Toniolo
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada
| | - Sam Afkhami
- McMaster Immunology Research Center, McMaster University, Hamilton, ON, Canada.,Department of Pathology & Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Michael R D'Agostino
- McMaster Immunology Research Center, McMaster University, Hamilton, ON, Canada.,Department of Pathology & Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Brian D Lichty
- McMaster Immunology Research Center, McMaster University, Hamilton, ON, Canada.,Department of Pathology & Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Emily D Cranston
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada.,Department of Wood Science, The University of British Columbia, Vancouver, Canada.,Department of Chemical and Biological Engineering, The University of British Columbia, Vancouver, Canada
| | - Zhou Xing
- McMaster Immunology Research Center, McMaster University, Hamilton, ON, Canada.,Department of Pathology & Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Michael R Thompson
- Department of Chemical Engineering, McMaster University, Hamilton, ON, Canada.
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22
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Tawfeek HM, Chavan T, Kunda NK. Effect of Spray Drying on Amorphization of Indomethacin Nicotinamide Cocrystals; Optimization, Characterization, and Stability Study. AAPS PharmSciTech 2020; 21:181. [PMID: 32607628 DOI: 10.1208/s12249-020-01732-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 06/14/2020] [Indexed: 01/16/2023] Open
Abstract
Cocrystals have gained a lot of consideration regarding its superior role in enhancement of solubility and dissolution of the included API. Cocrystals could be converted to coamorphous systems via different techniques like milling and quench cooling; however, the use of spray-drying technique has not been investigated before. So, the aim of this study was to explore the effect of spray drying on the amorphization of indomethacin/nicotinamide, INDNIC, as model cocrystals. Spray-drying operating parameters were optimized using the Taguchi design of experiment for maximum powder yield and low moisture content. The obtained INDNIC spray-dried cocrystals were characterized for their degree of crystallinity, morphology, moisture content, and dissolution performance. In addition, stability study was performed at different temperature and humidity conditions. Experimental design results delineate that spray-drying inlet temperature and cocrystal concentrations as the most influential factors for maximum powder yield and low moisture content. Powder X-ray diffraction and differential scanning calorimetry studies revealed the conversion of INDNIC cocrystals to a partial coamorphous or coamorphous structure without dissociation of INDNIC molecular structure. INDNIC coamorphous powders showed a significantly higher release of IND compared with cocrystals and remain physically stable for 2 months when stored in the refrigerator.
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23
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A particle technology approach toward designing dry-powder inhaler formulations for personalized medicine in respiratory diseases. ADV POWDER TECHNOL 2020. [DOI: 10.1016/j.apt.2019.10.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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24
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Abstract
Mucosal surfaces represent important routes of entry into the human body for the majority of pathogens, and they constitute unique sites for targeted vaccine delivery. Nanoparticle-based drug delivery systems are emerging technologies for delivering and improving the efficacy of mucosal vaccines. Recent studies have provided new insights into formulation and delivery aspects of importance for the design of safe and efficacious mucosal subunit vaccines based on nanoparticles. These include novel nanomaterials, their physicochemical properties and formulation approaches, nanoparticle interaction with immune cells in the mucosa, and mucosal immunization and delivery strategies. Here, we present recent progress in the application of nanoparticle-based approaches for mucosal vaccine delivery and discuss future research challenges and opportunities in the field.
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25
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Madani F, Hsein H, Busignies V, Tchoreloff P. An overview on dosage forms and formulation strategies for vaccines and antibodies oral delivery. Pharm Dev Technol 2019; 25:133-148. [DOI: 10.1080/10837450.2019.1689402] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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26
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Zhang Y, Cheng BCY, Zhou W, Xu B, Gao X, Qiao Y, Luo G. Improved Understanding of the High Shear Wet Granulation Process under the Paradigm of Quality by Design Using Salvia miltiorrhiza Granules. Pharmaceutics 2019; 11:E519. [PMID: 31600941 PMCID: PMC6835650 DOI: 10.3390/pharmaceutics11100519] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 09/27/2019] [Accepted: 10/06/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND High shear wet granulation (HSWG) is a shaping process for granulation that has been enhanced for application in the pharmaceutical industry. However, study of HSWG is complex and challenging due to the relatively poor understanding of HSWG, especially for sticky powder-like herbal extracts. AIM In this study, we used Salvia miltiorrhiza granules to investigate the HSWG process across different scales using quality by design (QbD) approaches. METHODS A Plackett-Burman experimental design was used to screen nine granulation factors in the HSWG process. Moreover, a quadratic polynomial regression model was established based on a Box-Behnken experimental design to optimize the granulation factors. In addition, the scale-up of HSWG was implemented based on a nucleation regime map approach. RESULTS According to the Plackett-Burman experimental design, it was found that three granulation factors, including salvia ratio, binder amount, and chopper speed, significantly affected the granule size (D50) of S. miltiorrhiza in HSWG. Furthermore, the results of the Box-Behnken experimental design and validation experiment showed that the model successfully captured the quadratic polynomial relationship between granule size and the two granulation factors of salvia ratio and binder amount. At the same experiment points, granules at all scales had similar size distribution, surface morphology, and flow properties. CONCLUSIONS These results demonstrated that rational design, screening, optimization, and scale-up of HSWG are feasible using QbD approaches. This study provides a better understanding of HSWG process under the paradigm of QbD using S. miltiorrhiza granules.
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Affiliation(s)
- Yi Zhang
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Brian Chi-Yan Cheng
- College of Professional and Continuing Education, Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Wenjuan Zhou
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
- Interdisciplinary Research Center on Multi-Omics of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102400, China.
| | - Bing Xu
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
- Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission, Beijing 102400, China.
| | - Xiaoyan Gao
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
- Interdisciplinary Research Center on Multi-Omics of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102400, China.
- Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission, Beijing 102400, China.
| | - Yanjiang Qiao
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
- Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission, Beijing 102400, China.
| | - Gan Luo
- School of Chinese Material Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
- Interdisciplinary Research Center on Multi-Omics of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102400, China.
- Beijing Key Laboratory for Production Process Control and Quality Evaluation of Traditional Chinese Medicine, Beijing Municipal Science & Technology Commission, Beijing 102400, China.
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27
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LeClair DA, Li L, Rahman N, Cranston ED, Xing Z, Thompson MR. Stabilization of HSV-2 viral vaccine candidate by spray drying. Int J Pharm 2019; 569:118615. [DOI: 10.1016/j.ijpharm.2019.118615] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/13/2019] [Accepted: 08/12/2019] [Indexed: 12/28/2022]
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28
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Kunda NK, Peabody J, Zhai L, Price DN, Chackerian B, Tumban E, Muttil P. Evaluation of the thermal stability and the protective efficacy of spray-dried HPV vaccine, Gardasil® 9. Hum Vaccin Immunother 2019; 15:1995-2002. [PMID: 30883270 DOI: 10.1080/21645515.2019.1593727] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
High-risk human papillomavirus (HPV) types are responsible for nearly all cases of cervical cancers. Cervarix® and Gardasil® 9 are the current prophylactic vaccines available that protect against the majority of HPVs associated with cancer. Although these vaccines are highly effective, HPV vaccine implementation has been slow, particularly in low-and-middle income countries. Major barriers to the widespread availability of the HPV vaccines is its cost and the requirement for continuous refrigeration (2-8°C). Here, we used spray drying along with stabilizing excipients to formulate a thermostable Gardasil® 9 vaccine. We evaluated the immunogenicity and protective efficacy of the vaccine in mice immediately after spray drying and following storage for three months at 4°C, 25°C, and 40°C. The immunogenicity studies were performed using Gardasil® 9 as a whole antigen, and not individual HPV types, for ELISA. At the dose tested, the spray dried vaccine conferred protection against HPV following storage at temperatures up to 40°C. In addition to the spray-dried vaccine, our studies revealed that the Gardasil® 9 vaccine, as currently marketed, may be stored and transported at elevated temperatures for up to 3 months without losing efficacy, especially against HPV16. This study is critical, as a thermostable vaccine will decrease vaccine cost associated with cold-chain maintenance and could increase vaccine access and coverage, especially in remote regions of the world.
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Affiliation(s)
- Nitesh K Kunda
- a Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico , Albuquerque , NM , USA.,b Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens , New York , NY , USA
| | - Julianne Peabody
- c Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine , Albuquerque , NM , USA
| | - Lukai Zhai
- d Department of Biological Sciences, Michigan Technological University , Houghton , MI , USA
| | - Dominique N Price
- a Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico , Albuquerque , NM , USA
| | - Bryce Chackerian
- c Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine , Albuquerque , NM , USA
| | - Ebenezer Tumban
- d Department of Biological Sciences, Michigan Technological University , Houghton , MI , USA
| | - Pavan Muttil
- a Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico , Albuquerque , NM , USA
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29
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Toniolo SP, Afkhami S, Mahmood A, Fradin C, Lichty BD, Miller MS, Xing Z, Cranston ED, Thompson MR. Excipient selection for thermally stable enveloped and non-enveloped viral vaccine platforms in dry powders. Int J Pharm 2019; 561:66-73. [PMID: 30825554 DOI: 10.1016/j.ijpharm.2019.02.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/12/2019] [Accepted: 02/19/2019] [Indexed: 01/15/2023]
Abstract
Two enveloped viral vectors, vesicular stomatitis virus and influenza virus, and a non-enveloped viral vector, human adenovirus type 5, were encapsulated by spray drying to enhance thermal stability.Results with these candidates led to the hypothesis that stability performance of chosen excipients may be less virus-specific, as previously postulated in the literature, and more differentiated based on whether the virus has a lipid envelope. Spray dried samples were characterized for their thermal properties, RNA viability and in vitro viral activity after storage at 37 °C for up to 30 days or at 45 °C for up to 3 days. The enveloped viral vectors, as a group, were more thermally stable in trehalose while the non-enveloped viral vector showed higher activity with mannitol as the primary excipient in blends. Trehalose shows strong hydrogen bonds with the envelope's lipid membrane than the other carbohydrates, more effectively replacing water molecules while maintaining the fluidity of the membrane. Conversely, the small size of mannitol molecules was attributed to the more effective hydrogen bonding between water and the protein capsid of non-enveloped viral vectors. In all cases, a matrix with high glass transition temperature contributed to thermal stabilization through vitrification. This work suggests that carbohydrate stabilizer selection may be more dependent on the envelope rather than the specific viral vector, which, if universally true, will provide a guideline for future formulation development.
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Affiliation(s)
- Steven P Toniolo
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Sam Afkhami
- McMaster Immunology Research Centre and Department of Pathology & Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Ahmad Mahmood
- Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada
| | - Cécile Fradin
- Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada
| | - Brian D Lichty
- McMaster Immunology Research Centre and Department of Pathology & Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Matthew S Miller
- Michael G. DeGroote Institute for Infectious Diseases Research, McMaster Immunology Research Centre, and Department of Biochemistry & Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Zhou Xing
- McMaster Immunology Research Centre and Department of Pathology & Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Emily D Cranston
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada; Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada; Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada
| | - Michael R Thompson
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada.
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Salade L, Wauthoz N, Goole J, Amighi K. How to characterize a nasal product. The state of the art of in vitro and ex vivo specific methods. Int J Pharm 2019; 561:47-65. [PMID: 30822505 DOI: 10.1016/j.ijpharm.2019.02.026] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 02/15/2019] [Accepted: 02/15/2019] [Indexed: 12/13/2022]
Abstract
Nasal delivery offers many benefits over other conventional routes of delivery (e.g. oral or intravenous administration). Benefits include, among others, a fast onset of action, non-invasiveness and direct access to the central nervous system. The nasal cavity is not only limited to local application (e.g. rhinosinusitis) but can also provide direct access to other sites in the body (e.g. the central nervous system or systemic circulation). However, both the anatomy and the physiology of the nose impose their own limitations, such as a small volume for delivery or rapid mucociliary clearance. To meet nasal-specific criteria, the formulator has to complete a plethora of tests, in vitro and ex vivo, to assess the efficacy and tolerance of a new drug-delivery system. Moreover, depending on the desired therapeutic effect, the delivery of the drug should target a specific pathway that could potentially be achieved through a modified release of this drug. Therefore, this review focuses on specific techniques that should be performed when a nasal formulation is developed. The review covers both the tests recommended by regulatory agencies (e.g. the Food and Drug Administration) and other complementary experiments frequently performed in the field.
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Affiliation(s)
- Laurent Salade
- Laboratoire de Pharmacie Galénique et de Biopharmacie, Université libre de Bruxelles (ULB), Brussels, Belgium.
| | - Nathalie Wauthoz
- Laboratoire de Pharmacie Galénique et de Biopharmacie, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Jonathan Goole
- Laboratoire de Pharmacie Galénique et de Biopharmacie, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Karim Amighi
- Laboratoire de Pharmacie Galénique et de Biopharmacie, Université libre de Bruxelles (ULB), Brussels, Belgium
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Mishra V, Thakur S, Patil A, Shukla A. Quality by design (QbD) approaches in current pharmaceutical set-up. Expert Opin Drug Deliv 2018; 15:737-758. [DOI: 10.1080/17425247.2018.1504768] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Sourav Thakur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Akshay Patil
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Anshuman Shukla
- Product Development Cell 2, National Institute of Immunology, New Delhi, India
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Kanojia G, ten Have R, Brugmans D, Soema PC, Frijlink HW, Amorij JP, Kersten G. The effect of formulation on spray dried Sabin inactivated polio vaccine. Eur J Pharm Biopharm 2018; 129:21-29. [DOI: 10.1016/j.ejpb.2018.05.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/20/2018] [Accepted: 05/18/2018] [Indexed: 10/16/2022]
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An intelligent model for assuring food quality in managing a multi-temperature food distribution centre. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.02.030] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Kanojia G, Raeven RHM, van der Maas L, Bindels THE, van Riet E, Metz B, Soema PC, Ten Have R, Frijlink HW, Amorij JP, Kersten GFA. Development of a thermostable spray dried outer membrane vesicle pertussis vaccine for pulmonary immunization. J Control Release 2018; 286:167-178. [PMID: 30048656 DOI: 10.1016/j.jconrel.2018.07.035] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 07/17/2018] [Accepted: 07/21/2018] [Indexed: 11/30/2022]
Abstract
Worldwide resurgence of whooping cough calls for improved, next-generation pertussis vaccines that induce broad and long-lasting immunity. A mucosal pertussis vaccine based on outer membrane vesicles (omvPV) is a promising candidate. Further, a vaccine that is stable outside the cold chain would be of substantial advantage for worldwide distribution and application. A vaccine formulated as a powder could both stabilize the vaccine as well as make it suitable for pulmonary vaccination. To that end, we developed a spray dried omvPV with improved stability compared to the liquid omvPV formulation. Spray drying did not affect the structural integrity of the omvPV. The antigenicity of Vag8, a major antigen in omvPV was diminished slightly and an altered tryptophan fluorescence indicated some changes in protein structure. However, when administered via the pulmonary route in mice after reconstitution, spray dried omvPV showed comparable immune responses and protection against challenge with live B. pertussis as liquid omvPV. Mucosal IgA and Th17 responses were established in addition to broad systemic IgG and Th1/Th17 responses, indicating the induction of an effective immunity profile. Overall, a spray dried omvPV was developed that maintained effective immunogenic properties and has an improved storage stability.
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Affiliation(s)
- Gaurav Kanojia
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands; University of Groningen, Department of Pharmaceutical Technology and Biopharmacy, Groningen, The Netherlands.
| | - René H M Raeven
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands.
| | | | - Tim H E Bindels
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Elly van Riet
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Bernard Metz
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Peter C Soema
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Rimko Ten Have
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Henderik W Frijlink
- University of Groningen, Department of Pharmaceutical Technology and Biopharmacy, Groningen, The Netherlands
| | - Jean-Pierre Amorij
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands
| | - Gideon F A Kersten
- Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands; Division of Biotherapeutics, Leiden Academic Center for Drug Research, Leiden University, Leiden, The Netherlands
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Kanojia G, Have RT, Soema PC, Frijlink H, Amorij JP, Kersten G. Developments in the formulation and delivery of spray dried vaccines. Hum Vaccin Immunother 2018; 13:2364-2378. [PMID: 28925794 PMCID: PMC5647985 DOI: 10.1080/21645515.2017.1356952] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Spray drying is a promising method for the stabilization of vaccines, which are usually formulated as liquids. Usually, vaccine stability is improved by spray drying in the presence of a range of excipients. Unlike freeze drying, there is no freezing step involved, thus the damage related to this step is avoided. The edge of spray drying resides in its ability for particles to be engineered to desired requirements, which can be used in various vaccine delivery methods and routes. Although several spray dried vaccines have shown encouraging preclinical results, the number of vaccines that have been tested in clinical trials is limited, indicating a relatively new area of vaccine stabilization and delivery. This article reviews the current status of spray dried vaccine formulations and delivery methods. In particular it discusses the impact of process stresses on vaccine integrity, the application of excipients in spray drying of vaccines, process and formulation optimization strategies based on Design of Experiment approaches as well as opportunities for future application of spray dried vaccine powders for vaccine delivery.
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Affiliation(s)
- Gaurav Kanojia
- a Intravacc (Institute for Translational Vaccinology) , Bilthoven , The Netherlands.,b Department of Pharmaceutical Technology and Biopharmacy , University of Groningen , Groningen , The Netherlands
| | - Rimko Ten Have
- a Intravacc (Institute for Translational Vaccinology) , Bilthoven , The Netherlands
| | - Peter C Soema
- a Intravacc (Institute for Translational Vaccinology) , Bilthoven , The Netherlands
| | - Henderik Frijlink
- b Department of Pharmaceutical Technology and Biopharmacy , University of Groningen , Groningen , The Netherlands
| | | | - Gideon Kersten
- a Intravacc (Institute for Translational Vaccinology) , Bilthoven , The Netherlands.,c Division of Drug Delivery Technology, Leiden Academic Center for Drug Research , Leiden University , Leiden , The Netherlands
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Formulating monoclonal antibodies as powders for reconstitution at high concentration using spray drying: Models and pitfalls. Eur J Pharm Biopharm 2018; 127:407-422. [DOI: 10.1016/j.ejpb.2018.02.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/01/2018] [Accepted: 02/01/2018] [Indexed: 01/07/2023]
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Ranjan R, Srivastava A, Bharti R, Ray L, Singh J, Misra A. Preparation and optimization of a dry powder for inhalation of second-line anti-tuberculosis drugs. Int J Pharm 2018; 547:150-157. [PMID: 29852204 DOI: 10.1016/j.ijpharm.2018.05.065] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/18/2018] [Accepted: 05/27/2018] [Indexed: 10/14/2022]
Abstract
A spray drying process was standardized to prepare an inhalable powder comprising d-cycloserine and ethionamide, two "second line" drugs employed for treating multi-drug resistant (MDR) tuberculosis (TB). The aim of the process development effort was to maximize product yield. Contour plots were generated using a small central composite design (CCD) with face centered (α = 1) to maximize the process yield as the response criterion. The design space was experimentally validated. Powder was prepared and characterized for drug content (HPLC), geometric size (laser scattering), surface morphology (scanning electron microscopy) aerosol behaviour (cascade impaction) and powder flow properties. The optimized process yielded a powder with a median mass aerodynamic diameter (MMAD) of 1.76 µ ± 3.1 geometric standard deviation (GSD). Mass balance indicated that the major proportion of the particles produced by spray drying are lost to the outlet filter. The process represents a best-case compromise of spray-drying conditions to minimize loss during droplet drying, collection and process air discharge.
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Affiliation(s)
- Rajeev Ranjan
- CSIR-Central Drug Research Institute, Sector 10A, Janakipuram Extension, Sitapur Road, Lucknow 226031, India; Academy of Scientific & Innovative Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, India.
| | - Ashish Srivastava
- CSIR-Central Drug Research Institute, Sector 10A, Janakipuram Extension, Sitapur Road, Lucknow 226031, India; Academy of Scientific & Innovative Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, India.
| | - Reena Bharti
- CSIR-Central Drug Research Institute, Sector 10A, Janakipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Lipika Ray
- CSIR-Central Drug Research Institute, Sector 10A, Janakipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Jyotsna Singh
- CSIR-Indian Institute of Toxicological Research, Mahatma Gandhi Marg, Lucknow 226001, India.
| | - Amit Misra
- CSIR-Central Drug Research Institute, Sector 10A, Janakipuram Extension, Sitapur Road, Lucknow 226031, India.
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Spray drying ternary amorphous solid dispersions of ibuprofen – An investigation into critical formulation and processing parameters. Eur J Pharm Biopharm 2017; 120:43-51. [DOI: 10.1016/j.ejpb.2017.08.005] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/13/2017] [Accepted: 08/13/2017] [Indexed: 11/21/2022]
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Meng J, Agrahari V, Ezoulin MJ, Purohit SS, Zhang T, Molteni A, Dim D, Oyler NA, Youan BBC. Spray-Dried Thiolated Chitosan-Coated Sodium Alginate Multilayer Microparticles for Vaginal HIV Microbicide Delivery. AAPS J 2017; 19:692-702. [PMID: 28138910 DOI: 10.1208/s12248-016-0007-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 10/12/2016] [Indexed: 12/25/2022] Open
Abstract
It is hypothesized that novel thiolated chitosan-coated multilayer microparticles (MPs) with enhanced drug loading are more mucoadhesive than uncoated MPs and safe in vivo for vaginal delivery of topical anti-HIV microbicide. Formulation optimization is achieved through a custom experimental design and the alginate (AG) MPs cores are prepared using the spray drying method. The optimal MPs are then coated with the thiolated chitosan (TCS) using a layer-by-layer method. The morphological analysis, in situ drug payload, in vitro drug release profile, and mucoadhesion potential of the MPs are carried out using scanning electron microscopy, solid-state 31P NMR spectroscopy, UV spectroscopy, fluorescence imaging and periodic acid Schiff method, respectively. The cytotoxicity and preclinical safety of MPs are assessed on human vaginal (VK2/E6E7) and endocervical (End1/E6E7) epithelial cell lines and in female C57BL/6 mice, respectively. The results show that the MPs are successfully formulated with an average diameter ranging from 2 to 3 μm with a drug loading of 7-12% w/w. The drug release profile of these MPs primarily follows the Baker-Lonsdale and Korsmeyer-Peppas models. The MPs exhibit high mucoadhesion (20-50 folds) compared to native AGMPs. The multilayer MPs are noncytotoxic. Histological and immunochemical analysis of the mice genital tract shows neither signs of damage nor inflammatory cell infiltrate. These data highlight the potential use of TCS-coated AG-based multilayer MPs templates for the topical vaginal delivery of anti-HIV/AIDS microbicides.
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Affiliation(s)
- Jianing Meng
- Laboratory of Future Nanomedicines and Theoretical Chronopharmaceutics, Division of Pharmaceutical Sciences, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Vivek Agrahari
- Laboratory of Future Nanomedicines and Theoretical Chronopharmaceutics, Division of Pharmaceutical Sciences, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Miezan J Ezoulin
- Laboratory of Future Nanomedicines and Theoretical Chronopharmaceutics, Division of Pharmaceutical Sciences, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Sudhaunshu S Purohit
- Department of Chemistry, University of Missouri-Kansas City, Kansas City, Missouri, 64110, USA
| | - Tao Zhang
- Laboratory of Future Nanomedicines and Theoretical Chronopharmaceutics, Division of Pharmaceutical Sciences, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Agostino Molteni
- School of Medicine, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Daniel Dim
- School of Medicine, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA
| | - Nathan A Oyler
- Department of Chemistry, University of Missouri-Kansas City, Kansas City, Missouri, 64110, USA
| | - Bi-Botti C Youan
- Laboratory of Future Nanomedicines and Theoretical Chronopharmaceutics, Division of Pharmaceutical Sciences, University of Missouri-Kansas City, Kansas City, Missouri, 64108, USA.
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