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Anantawittayanon S, Kawai K. Predictive model for the surface melting and puffing of freeze-dried amorphous materials. Cryobiology 2024; 116:104938. [PMID: 38960349 DOI: 10.1016/j.cryobiol.2024.104938] [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: 04/10/2024] [Revised: 05/31/2024] [Accepted: 06/27/2024] [Indexed: 07/05/2024]
Abstract
It is thought that surface melting and puffing of freeze-dried amorphous materials are related to the difference between the surface temperature (Tsur) and freeze-concentrated glass transition temperature (Tg') of the materials. Although Tg' is a material-specific parameter, Tsur is affected by the type and amount of solute and freeze-drying conditions. Therefore, it will be practically useful for preventing surface melting and puffing if Tsur can be calculated using only the minimum necessary parameters. This study aimed to establish a predictive model for the surface melting and puffing of freeze-dried amorphous materials according to the calculated Tsur. First, a Tsur-predictive model was proposed under the thermodynamic equilibrium assumptions. Second, solutions with various solute mass fractions of sucrose, maltodextrin, and sucrose-maltodextrin mixture were prepared, and three material-specific parameters (Tg', unfrozen water content, and true density) were experimentally determined. According to the proposed model with the parameters, the Tsur of the samples was calculated at chamber pressures of 13, 38, and 103 Pa. The samples were freeze-dried at the chamber pressures, and their appearance was observed. As expected, surface melting and puffing occurred at calculated Tsur > Tg' with some exceptions. The water activity (aw) of the freeze-dried samples increased as the Tsur - Tg' increased. This will have resulted from surface melting and puffing, which created a covering film, thereby preventing subsequent dehydration. The observations suggest that the proposed model is also useful for predetermining the drying efficiency and storage stability of freeze-dried amorphous materials.
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Affiliation(s)
- Sukritta Anantawittayanon
- Program of Food and AgriLife Science, Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Hiroshima, 739-8528, Japan
| | - Kiyoshi Kawai
- Program of Food and AgriLife Science, Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Hiroshima, 739-8528, Japan.
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2
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Huang Q, Hu J, Mei D, Li G, Rong J. Optimization of lyoprotectant for recombinant human acidic fibroblast growth factor by response surface methodology. Prep Biochem Biotechnol 2024:1-11. [PMID: 39028537 DOI: 10.1080/10826068.2024.2378098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Recombinant human acidic fibroblast growth factor (rh-aFGF) is a widely used biological product, but it is unstable and its biological activity is easy to decrease. In order to maintain the long-term stability and biological activity of rh-aFGF, based on the response surface method, the freeze-drying characterization and cell proliferation rate of rh-aFGF freeze-dried powder were evaluated by scoring and Methylthiazolyldiphenyl-tetrazolium bromide (MTT) assay in this study. The optimal concentrations of trehalose, glycine and BSA were optimized, and the optimal formulation was verified by regression experiment. The results showed that trehalose, glycine and BSA had significant effects on the characterization of lyophilized rh-aFGF and cell proliferation. The optimal formulation of 5.7% trehalose, 2.04% glycine and 1.98%BSA combined with rh-aFGF could achieve the optimal freeze-dried characterization and biological activity. Using the best formulation to verify, the freeze-dried formability index of the freeze-dried powder was 23.35, and the rate of cell proliferation was 43.59%, which was close to the expected 23 and 41.69%. This study determined a freeze-dried formulation of rh-aFGF that meets the requirements of freeze-dried formalization integrity and maintains biological activity, providing reliable support for the subsequent development of related drugs.
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Affiliation(s)
- Qiwen Huang
- College of Life Science, Yangtze University, Jingzhou, PR China
| | - Jing Hu
- College of Life Science, Yangtze University, Jingzhou, PR China
| | - Dongjie Mei
- College of Life Science, Yangtze University, Jingzhou, PR China
| | - Guopan Li
- College of Life Science, Yangtze University, Jingzhou, PR China
- Jingzhou Changxin Biotechnology Co, Ltd, Jingzhou, PR China
| | - Jun Rong
- College of Life Science, Yangtze University, Jingzhou, PR China
- Jingzhou Changxin Biotechnology Co, Ltd, Jingzhou, PR China
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3
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Najarian J, Metsi-Guckel E, Renawala HK, Grosse D, Sims A, Walter A, Sarkar A, Karande A. Optimizing lyophilization primary drying: A vaccine case study with experimental and modeling techniques. Int J Pharm 2024; 659:124168. [PMID: 38663644 DOI: 10.1016/j.ijpharm.2024.124168] [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: 12/22/2023] [Revised: 03/22/2024] [Accepted: 04/23/2024] [Indexed: 05/21/2024]
Abstract
In this study, we present the lyophilization process development efforts for a vaccine formulation aimed at optimizing the primary drying time (hence, the total cycle length) through comprehensive evaluation of its thermal characteristics, temperature profile, and critical quality attributes (CQAs). Differential scanning calorimetry (DSC) and freeze-drying microscopy (FDM) were used to experimentally determine the product-critical temperatures, viz., the glass transition temperature (Tg') and the collapse temperature (Tc). Initial lyophilization studies indicated that the conventional approach of targeting product temperature (Tp) below the Tc (determined from FDM) resulted in long and sub-optimal drying times. Interestingly, aggressive drying conditions where the product temperature reached the total collapse temperature did not result in macroscopic collapse but, instead, reduced the drying time by ∼ 45 % while maintaining product quality requirements. This observation suggests the need for a more reliable measurement of the macroscopic collapse temperature for product in vials. The temperature profiles from different lyophilization runs showed a drop in product temperature following the primary drying ramp, of which the magnitude was correlated to the degree of macroscopic collapse. The batch-average product resistance, Rp, determined using the manometric temperature measurement (MTM), decreased with increasing dried layer thickness for aggressive primary drying conditions. A quantitative analysis of the product temperature and resistance profiles combined with qualitative assessment of cake appearance attributes was used to determine a more representative macro-collapse temperature, Tcm, for this vaccine product. A primary drying design space was generated using first principles modeling of heat and mass transfer to enable selection of optimum process parameters and reduce the number of exploratory lyophilization runs. Overall, the study highlights the importance of accurate determination of macroscopic collapse in vials, pursuing aggressive drying based on individual product characteristics, and leveraging experimental and modeling techniques for process optimization.
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Affiliation(s)
| | | | | | - Don Grosse
- Merck & Co., Inc., Rahway, NJ 07065, USA
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4
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Giannachi C, Allen E, Egan G, Vucen S, Crean A. Colyophilized Sugar-Polymer Dispersions for Enhanced Processing and Storage Stability. Mol Pharm 2024; 21:3017-3026. [PMID: 38758116 DOI: 10.1021/acs.molpharmaceut.4c00187] [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: 05/18/2024]
Abstract
Sucrose and trehalose pharmaceutical excipients are employed to stabilize protein therapeutics in a dried state. The mechanism of therapeutic protein stabilization is dependent on the sugars being present in an amorphous solid-state. Colyophilization of sugars with high glass transition polymers, polyvinylpyrrolidone (PVP), and poly(vinylpyrrolidone vinyl acetate) (PVPVA), enhances amorphous sugar stability. This study investigates the stability of colyophilized sugar-polymer systems in the frozen solution state, dried state postlyophilization, and upon exposure to elevated humidity. Binary systems of sucrose or trehalose with PVP or PVPVA were lyophilized with sugar/polymer ratios ranging from 2:8 to 8:2. Frozen sugar-PVPVA solutions exhibited a higher glass transition temperature of the maximally freeze-concentrated amorphous phase (Tg') compared to sugar-PVP solutions, despite the glass transition temperature (Tg) of PVPVA being lower than PVP. Tg values of all colyophilized systems were in a similar temperature range irrespective of polymer type. Greater hydrogen bonding between sugars and PVP and the lower hygroscopicity of PVPVA influenced polymer antiplasticization effects and the plasticization effects of residual water. Plasticization due to water sorption was investigated in a dynamic vapor sorption humidity ramping experiment. Lyophilized sucrose systems exhibited increased amorphous stability compared to trehalose upon exposure to the humidity. Recrystallization of trehalose was observed and stabilized by polymer addition. Lower concentrations of PVP inhibited trehalose recrystallization compared to PVPVA. These stabilizing effects were attributed to the increased hydrogen bonding between trehalose and PVP compared to trehalose and PVPVA. Overall, the study demonstrated how differences in polymer hygroscopicity and hydrogen bonding with sugars influence the stability of colyophilized amorphous dispersions. These insights into excipient solid-state stability are relevant to the development of stabilized biopharmaceutical solid-state formulations.
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Affiliation(s)
- Claudia Giannachi
- SSPC, the SFI Research Centre for Pharmaceuticals, School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
- School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
| | - Evin Allen
- School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
| | - Gráinne Egan
- School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
| | - Sonja Vucen
- SSPC, the SFI Research Centre for Pharmaceuticals, School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
- School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
| | - Abina Crean
- SSPC, the SFI Research Centre for Pharmaceuticals, School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
- School of Pharmacy, University College Cork, Cork T12 YT20, Ireland
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5
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Arora S, Dash SK, Dhawan D, Sahoo PK, Jindal A, Gugulothu D. Freeze-drying revolution: unleashing the potential of lyophilization in advancing drug delivery systems. Drug Deliv Transl Res 2024; 14:1111-1153. [PMID: 37985541 DOI: 10.1007/s13346-023-01477-7] [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] [Accepted: 11/07/2023] [Indexed: 11/22/2023]
Abstract
Lyophilization also known as freeze-drying is a technique that has been employed to enhance the long-term durability of nanoparticles (NPs) that are utilized for drug delivery applications. This method is used to prevent their instability in suspension. However, this dehydration process can cause stress to the NPs, which can be alleviated by the incorporation of excipients like cryoprotectants and lyoprotectants. Nevertheless, the freeze-drying of NPs is often based on empirical principles without considering the physical-chemical properties of the formulations and the engineering principles of freeze-drying. For this reason, it is crucial to optimize the formulations and the freeze-drying cycle to obtain a good lyophilizate and ensure the preservation of NPs stability. Moreover, proper characterization of the lyophilizate and NPs is of utmost importance in achieving these goals. This review aims to update the recent advancements, including innovative formulations and novel approaches, contributing to the progress in this field, to obtain the maximum stability of formulations. Additionally, we critically analyze the limitations of lyophilization and discuss potential future directions. It addresses the challenges faced by researchers and suggests avenues for further research to overcome these limitations. In conclusion, this review is a valuable contribution to the understanding of the parameters involved in the freeze-drying of NPs. It will definitely aid future studies in obtaining lyophilized NPs with good quality and enhanced drug delivery and therapeutic benefits.
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Affiliation(s)
- Sanchit Arora
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, 110017, India
| | - Sanat Kumar Dash
- Department of Pharmacy, Birla Institute of Technology and Science (BITS PILANI), Pilani, Rajasthan, 333031, India
| | - Dimple Dhawan
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, 110017, India
| | - Prabhat Kumar Sahoo
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, 110017, India
| | - Anil Jindal
- Department of Pharmacy, Birla Institute of Technology and Science (BITS PILANI), Pilani, Rajasthan, 333031, India
| | - Dalapathi Gugulothu
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, 110017, India.
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6
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Guktur RE, Olorunfemi PO, Ochekpe NA. Process and isothermal storage stabilities of a live veterinary vaccine formulated with Plectranthus esculentus tuber starch derivatives as stabilizers. Int J Pharm 2024; 652:123766. [PMID: 38181991 DOI: 10.1016/j.ijpharm.2023.123766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 12/14/2023] [Accepted: 12/31/2023] [Indexed: 01/07/2024]
Abstract
Comparability stability studies of a live Newcastle Disease LaSota vaccine were conducted post freeze-drying and during storage at 5±2, 25±2 and 37±1 °C to demonstrate the equivalence/inequivalence of stability profiles of vaccines stabilized with peptone (reference), trehalose and starch derivatives (acetylated xerogel and carboxymethylated) from Plectranthus esculentus tubers. Variations in moisture content during storage at 5±2 °C; physical collapse/shrinkage, partial microcollapse, and hydrophilicity of lyophilisates were prominent in starch stabilized vaccines without additives. Using the mean embryo infective dose (EID50) test, the derivatives and peptone stabilized vaccines had < 0.5 logEID50 loss in titre during freeze-drying. At the storage temperatures of 5±2, 25±2 and 37±1 °C, using peptone, acetylated xerogel starch, carboxymethylated starch, and trehalose, the average shelf lives of the vaccines were 23-55, 21-26, and 2.6-4.9 months respectively. Acetylated xerogel and carboxymethylated derivatives of Plectranthus esculentus tuber starch with/without additives were able to keep the live ND LaSota vaccine stable during freeze-drying at 1-3 % w/v. The stability of all the vaccines declined as storage temperatures increased. The acetylated xerogel stabilized vaccines were more stable than all of the others at 25±2 and 37±1 °C temperatures.
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Affiliation(s)
- Ruth E Guktur
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Jos, Nigeria; National Veterinary Research Institute, PMB 01, Vom, Nigeria
| | - Patrick O Olorunfemi
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Jos, Nigeria
| | - Nelson A Ochekpe
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Jos, Nigeria.
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7
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Wang Z, Liu W, Duan X, Ren G, Li L, Cao W, Guo J, Jiao X, Zhu L, Wei X. Effects of freezing and drying programs on IgY aggregation and activity during microwave freeze-drying: Protective effects and interactions of trehalose and mannitol. Int J Biol Macromol 2024; 260:129448. [PMID: 38228204 DOI: 10.1016/j.ijbiomac.2024.129448] [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: 12/04/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/18/2024]
Abstract
The acquisition of high quality lyophilized IgY products, characterized by an aesthetically pleasing visage, heightened stability, and a marked preservation of activity, constitutes an indispensable pursuit in augmenting the safety and pragmatic utility of IgY. Within this context, an exploration was undertaken to investigate an innovative modality encompassing microwave freeze-drying (MFD) as a preparatory methodology of IgY. Morphological assessments revealed that both cryogenic freezing and subsequent MFD procedures resulted in aggregation of IgY, with the deleterious influence posed by the MFD phase transcending that of the freezing phase. The composite protective agent comprised of trehalose and mannitol engendered a safeguarding effect on the structural integrity of IgY, thereby attenuating reducing aggregation between IgY during the freeze-drying process. Enzyme-linked immunosorbent assay (ELISA) outcomes demonstrated a discernible correlation between IgY aggregation and a notable reduction in its binding affinity towards the pertinent antigen. Comparative analysis vis-à-vis the control sample delineated that when the trehalose-to-mannitol ratio was upheld at 1:3, a two-fold outcome was achieved: a mitigation of the collapse susceptibility within the final product as well as a deterrence of IgY agglomeration, concomitant with an elevated preservation rate of active antibodies (78.57 %).
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Affiliation(s)
- Zhe Wang
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China; Food Laboratory of Zhongyuan, 462300 Luohe, China
| | - Wenchao Liu
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China.
| | - Xu Duan
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China.
| | - Guangyue Ren
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China.
| | - Linlin Li
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China
| | - Weiwei Cao
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China
| | - Jingfang Guo
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China; Food Laboratory of Zhongyuan, 462300 Luohe, China
| | - Xueyuan Jiao
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China
| | - Lewen Zhu
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China
| | - Xinyu Wei
- School of Food and Biobiological Engineering, Henan University of Science and Technology, 471000 Luoyang, China
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8
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Härdter N, Geidobler R, Presser I, Winter G. Microwave-Assisted Freeze-Drying: Impact of Microwave Radiation on the Quality of High-Concentration Antibody Formulations. Pharmaceutics 2023; 15:2783. [PMID: 38140123 PMCID: PMC10747838 DOI: 10.3390/pharmaceutics15122783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Microwave-assisted freeze-drying (MFD) offers significant time savings compared to conventional freeze-drying (CFD). While a few studies have investigated the stability of biopharmaceuticals with low protein concentrations after MFD and storage, the impact of MFD on high-concentration monoclonal antibody (mAb) formulations remains unclear. In this study, we systematically examined the effect of protein concentration in MFD and assessed protein stability following MFD, CFD, and subsequent storage using seven protein formulations with various stabilizers and concentrations. We demonstrated that microwaves directly interact with the active pharmaceutical ingredient (API), leading to decreased physical stability, specifically aggregation, in high-concentration antibody formulations. Furthermore, typically used sugar:protein ratios from CFD were insufficient for stabilizing mAbs when applying microwaves. We identified the intermediate drying phase as the most critical for particle formation, and cooling the samples provided some protection for the mAb. Our findings suggest that MFD technology may not be universally applicable to formulations well tested in CFD and could be particularly beneficial for formulations with low API concentrations requiring substantial amounts of glass-forming excipients, such as vaccines and RNA-based products.
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Affiliation(s)
- Nicole Härdter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Raimund Geidobler
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Ingo Presser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Gerhard Winter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
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Korang-Yeboah M, Ako-Adounvo AM, Hengst L, Dong X, Zhang S, Ma L, Connor TO, Ashraf M. Root Cause Analysis of An Inverse Relationship Between The Ice Nucleation Temperature, Process Efficiency And Quality of A Lyophilized Product. J Pharm Sci 2023; 112:3035-3044. [PMID: 37648156 DOI: 10.1016/j.xphs.2023.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 08/21/2023] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
The aim of this study was to probe an unexpected relationship between the ice nucleation temperature (TIN), process efficiency and product attributes in a controlled ice nucleation (CIN) lyophilization process. An amorphous product was lyophilized with (CIN-5 °C, CIN-7 °C or CIN-10 °C) or without (NOCIN) control of ice nucleation. Process parameters and product attributes were monitored and compared using a series of advanced in-line and off-line process analytical technology (PAT) tools. Unexpectedly, an indirect relationship was observed between TIN and primary drying efficiency for the CIN processes. Further, the CIN-5 °C process was associated with higher product resistance to mass flow than corresponding CIN-7 °C and CIN-10 °C processes. Surprisingly, the air voids in some NOCIN products were larger than CIN-5 °C products but comparable to CIN-7 °C. Heat flux analysis revealed an indirect relationship between TIN and the minimum hold time required to complete solidification. The heat flux analysis also revealed all products underwent complete solidification prior to primary drying. The order of homogeneity in water activity of the products was CIN-5 °C ≥NOCIN>CIN-7 °C. The higher homogeneity in water activity of CIN-5 °C than corresponding CIN-7 °C processes indicated that the lower process efficiency of CIN-5 °C could not be attributed to unsuccessful induction of ice nucleation during CIN-5 °C. High resolution micro-CT imaging and Artificial Intelligence Image analysis revealed cake wall deformation in CIN-7 °C and NOCIN products but not in CIN-5 °C. In addition, NOCIN products had bimodal distribution in air voids with median size range of 4-5 µm and 151.9-309 µm, respectively, hence the lower process efficiency of NOCIN despite the higher D90. Thus, the observed relationship between TIN and process efficiency may be attributed to microstructural changes post freezing. This hypothesis was corroborated by visible macroscopic cake collapse in NOCIN products but not in CIN products after lyophilization at a higher shelf temperature. In conclusion, the advantages of controlling the ice nucleation temperature of a lyophilization process may only be attained through a robust process design that takes into consideration the primary and secondary drying process parameters. Further, combined use of advanced in-line and off-line PAT tools for process and product characterization may hasten the at scale adoption of advance techniques such as CIN.
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Affiliation(s)
- Maxwell Korang-Yeboah
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA.
| | - Ann-Marie Ako-Adounvo
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA
| | - Leanna Hengst
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA
| | - Xiangyi Dong
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA
| | - Shawn Zhang
- DigiM Solution LLC, 500 West Cummings Park, Woburn, MA 01801, USA
| | - Lisa Ma
- DigiM Solution LLC, 500 West Cummings Park, Woburn, MA 01801, USA
| | - Thomas O' Connor
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA
| | - Muhammad Ashraf
- Division of Product Quality Research, Office of Testing and Research, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, Food and Drug Administration, MD, USA
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10
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Suleiman Alsalhi M, Royall PG, Al-Obaidi H, Alsalhi A, Cilibrizzi A, Chan KLA. Non-salt based co-amorphous formulation produced by freeze-drying. Int J Pharm 2023; 645:123404. [PMID: 37714312 DOI: 10.1016/j.ijpharm.2023.123404] [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: 06/06/2023] [Revised: 09/08/2023] [Accepted: 09/09/2023] [Indexed: 09/17/2023]
Abstract
Amino acids-based co-amorphous system (CAM) has shown to be a promising approach to overcome the dissolution challenge of biopharmaceutics classification system class II drugs. To date, most CAM formulations are based on salt formation at a 1:1 M ratio and are prepared by mechanical activation. However, its use in medicinal products is still limited due to the lack of in-depth understanding of non-ionic based molecular interactions. There are also limited studies on the effect of drug-to-co-former ratio, the development of more scalable, less aggressive, manufacturing processes such as freeze drying and its dissolution benefits. This work aims to investigate the effect of the ratio of tryptophan (a model non-ionic amino acid) to indomethacin (a model drug) on a non-salt-based CAM prepared via freeze-drying with the tert-butyl alcohol-water cosolvent system. The CAM material was systemically characterized at various stages of the freeze-drying process using DSC, UV-Vis, FT-IR, NMR, TGA and XRPD. Dissolution performance and physical stability upon storage were also investigated. Freeze-drying using the cosolvent system has been successfully shown to produce CAMs. The molecular interactions involving H-bonding, H/π and π-π between compounds have been confirmed by FT-IR and NMR. The drug release rate for formulations with a 1.5:1 drug: amino acid molar ratio (or 1:0.42 wt ratio) or below is found to be significantly improved compared to the pure crystalline drug. Furthermore, formulation with a 2.3:1 drug:amino acid molar ratio (or 1:0.25 wt ratio) or below have shown to be physically stable for at least 9 months when stored at dry condition (5% relative humidity, 25 °C) compared to the pure amorphous indomethacin. We have demonstrated the potential of freeze-drying using tert-butyl alcohol-water cosolvent system to produce an optimal non-salt-based class II drug-amino acid CAM.
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Affiliation(s)
- Mohammed Suleiman Alsalhi
- Institute of Pharmaceutical Science, King's College London, SE1 9NH, UK; College of pharmacy, King Saud University, Riyadh, Saudi Arabia.
| | - Paul G Royall
- Institute of Pharmaceutical Science, King's College London, SE1 9NH, UK
| | - Hisham Al-Obaidi
- School of Chemistry, Food and Pharmacy (SCFP), University of Reading, Whiteknights, Reading RG6 6AP, UK
| | - Alyaa Alsalhi
- College of pharmacy, King Saud University, Riyadh, Saudi Arabia
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11
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Härdter N, Geidobler R, Presser I, Winter G. Accelerated Production of Biopharmaceuticals via Microwave-Assisted Freeze-Drying (MFD). Pharmaceutics 2023; 15:pharmaceutics15051342. [PMID: 37242584 DOI: 10.3390/pharmaceutics15051342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Recently, attention has been drawn to microwave-assisted freeze-drying (MFD), as it drastically reduces the typically long drying times of biopharmaceuticals in conventional freeze-drying (CFD). Nevertheless, previously described prototype machines lack important attributes such as in-chamber freezing and stoppering, not allowing for the performance of representative vial freeze-drying processes. In this study, we present a new technical MFD setup, designed with GMP processes in mind. It is based on a standard lyophilizer equipped with flat semiconductor microwave modules. The idea was to enable the retrofitting of standard freeze-dryers with a microwave option, which would reduce the hurdles of implementation. We aimed to collect process data with respect to the speed, settings, and controllability of the MFD processes. Moreover, we studied the performance of six monoclonal antibody (mAb) formulations in terms of quality after drying and stability after storage for 6 months. We found drying processes to be drastically shortened and well controllable and observed no signs of plasma discharge. The characterization of the lyophilizates revealed an elegant cake appearance and remarkably good stability in the mAb after MFD. Furthermore, overall storage stability was good, even when residual moisture was increased due to high concentrations of glass-forming excipients. A direct comparison of stability data following MFD and CFD demonstrated similar stability profiles. We conclude that the new machine design is highly advantageous, enabling the fast-drying of excipient-dominated, low-concentrated mAb formulations in compliance with modern manufacturing technology.
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Affiliation(s)
- Nicole Härdter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Raimund Geidobler
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Ingo Presser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Gerhard Winter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
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12
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On the Use of Temperature Measurements as a Process Analytical Technology (PAT) for the Monitoring of a Pharmaceutical Freeze-Drying Process. Pharmaceutics 2023; 15:pharmaceutics15030861. [PMID: 36986722 PMCID: PMC10058468 DOI: 10.3390/pharmaceutics15030861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 02/27/2023] [Accepted: 03/03/2023] [Indexed: 03/09/2023] Open
Abstract
The measurement of product temperature is one of the methods that can be adopted, especially in the pharmaceutical industry, to monitor the freeze-drying process and to obtain the values of the process parameters required by mathematical models useful for in-line (or off-line) optimization. Either a contact or a contactless device and a simple algorithm based on a mathematical model of the process can be employed to obtain a PAT tool. This work deeply investigated the use of direct temperature measurement for process monitoring to determine not only the product temperature, but also the end of primary drying and the process parameters (heat and mass transfer coefficients), as well as evaluating the degree of uncertainty of the obtained results. Experiments were carried out with thin thermocouples in a lab-scale freeze-dryer using two different model products, sucrose and PVP solutions; they are representative of two types of commonly freeze-dried products, namely those whose structures are strongly nonuniform in the axial direction, showing a variable pore size with the cake depth and a crust (leading to a strongly nonlinear cake resistance), as well as those whose structures are uniform, with an open structure and, consequently, a cake resistance varying linearly with thickness. The results confirm that the model parameters in both cases can be estimated with an uncertainty that is in agreement with that obtained with other more invasive and expensive sensors. Finally, the strengths and weaknesses of the proposed approach coupled with the use of thermocouples was discussed, comparing with a case using a contactless device (infrared camera).
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13
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Laurent A, Scaletta C, Abdel-Sayed P, Raffoul W, Hirt-Burri N, Applegate LA. Industrial Biotechnology Conservation Processes: Similarities with Natural Long-Term Preservation of Biological Organisms. BIOTECH 2023; 12:biotech12010015. [PMID: 36810442 PMCID: PMC9944097 DOI: 10.3390/biotech12010015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023] Open
Abstract
Cryopreservation and lyophilization processes are widely used for conservation purposes in the pharmaceutical, biotechnological, and food industries or in medical transplantation. Such processes deal with extremely low temperatures (e.g., -196 °C) and multiple physical states of water, a universal and essential molecule for many biological lifeforms. This study firstly considers the controlled laboratory/industrial artificial conditions used to favor specific water phase transitions during cellular material cryopreservation and lyophilization under the Swiss progenitor cell transplantation program. Both biotechnological tools are successfully used for the long-term storage of biological samples and products, with reversible quasi-arrest of metabolic activities (e.g., cryogenic storage in liquid nitrogen). Secondly, similarities are outlined between such artificial localized environment modifications and some natural ecological niches known to favor metabolic rate modifications (e.g., cryptobiosis) in biological organisms. Specifically, examples of survival to extreme physical parameters by small multi-cellular animals (e.g., tardigrades) are discussed, opening further considerations about the possibility to reversibly slow or temporarily arrest the metabolic activity rates of defined complex organisms in controlled conditions. Key examples of biological organism adaptation capabilities to extreme environmental parameters finally enabled a discussion about the emergence of early primordial biological lifeforms, from natural biotechnology and evolutionary points of view. Overall, the provided examples/similarities confirm the interest in further transposing natural processes and phenomena to controlled laboratory settings with the ultimate goal of gaining better control and modulation capacities over the metabolic activities of complex biological organisms.
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Affiliation(s)
- Alexis Laurent
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Epalinges, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, CH-1015 Lausanne, Switzerland
- Applied Research Department, LAM Biotechnologies SA, CH-1066 Epalinges, Switzerland
- Manufacturing Department, TEC-PHARMA SA, CH-1038 Bercher, Switzerland
| | - Corinne Scaletta
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Epalinges, Switzerland
| | - Philippe Abdel-Sayed
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Epalinges, Switzerland
- DLL Bioengineering, STI School of Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Wassim Raffoul
- Lausanne Burn Center, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland
- Plastic, Reconstructive, and Hand Surgery Service, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland
| | - Nathalie Hirt-Burri
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Epalinges, Switzerland
| | - Lee Ann Applegate
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, CH-1066 Epalinges, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, CH-1015 Lausanne, Switzerland
- Lausanne Burn Center, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland
- Plastic, Reconstructive, and Hand Surgery Service, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland
- Center for Applied Biotechnology and Molecular Medicine, University of Zurich, CH-8057 Zurich, Switzerland
- Correspondence: ; Tel.: +41-21-314-35-10
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14
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Ó'Fágáin C, Colliton K. Storage and Lyophilization of Pure Proteins. Methods Mol Biol 2023; 2699:421-475. [PMID: 37647008 DOI: 10.1007/978-1-0716-3362-5_19] [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: 09/01/2023]
Abstract
This chapter outlines empirical procedures for the storage of pure proteins with preservation of high levels of biological activity. It describes simple and workable means of preventing microbial contamination and proteolytic degradation and the use of various types of stabilizing additives. It sets out the principles of lyophilization (a complex process comprising freezing, primary drying, and secondary drying stages, otherwise known as freeze-drying). There follows a general procedure for the use of lyophilizer apparatus with emphasis on best practice and on pitfalls to avoid. The use of modulated differential scanning calorimetry to measure the glass transition temperature, a key parameter in the design and successful operation of lyophilization processes, is described. This chapter concludes with brief summaries of interesting recent work in the field.
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Affiliation(s)
- Ciarán Ó'Fágáin
- School of Biotechnology, Dublin City University, Dublin, Ireland.
| | - Keith Colliton
- Pfizer Ireland Pharmaceuticals, Grange Castle Business Park, Dublin, Ireland
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15
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Mendonça AA, Pinto-Neto WDP, da Paixão GA, Santos DDS, De Morais MA, De Souza RB. Journey of the Probiotic Bacteria: Survival of the Fittest. Microorganisms 2022; 11:95. [PMID: 36677387 PMCID: PMC9861974 DOI: 10.3390/microorganisms11010095] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
This review aims to bring a more general view of the technological and biological challenges regarding production and use of probiotic bacteria in promoting human health. After a brief description of the current concepts, the challenges for the production at an industrial level are presented from the physiology of the central metabolism to the ability to face the main forms of stress in the industrial process. Once produced, these cells are processed to be commercialized in suspension or dried forms or added to food matrices. At this stage, the maintenance of cell viability and vitality is of paramount for the quality of the product. Powder products requires the development of strategies that ensure the integrity of components and cellular functions that allow complete recovery of cells at the time of consumption. Finally, once consumed, probiotic cells must face a very powerful set of physicochemical mechanisms within the body, which include enzymes, antibacterial molecules and sudden changes in pH. Understanding the action of these agents and the induction of cellular tolerance mechanisms is fundamental for the selection of increasingly efficient strains in order to survive from production to colonization of the intestinal tract and to promote the desired health benefits.
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Affiliation(s)
- Allyson Andrade Mendonça
- Laboratory of Microbial Genetics, Department of Genetics, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Walter de Paula Pinto-Neto
- Laboratory of Microbial Genetics, Department of Genetics, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Giselle Alves da Paixão
- Laboratory of Microbial Metabolism, Institute of Biological Sciences, University of Pernambuco, Recife 50100-130, Brazil
| | - Dayane da Silva Santos
- Laboratory of Microbial Genetics, Department of Genetics, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Marcos Antonio De Morais
- Laboratory of Microbial Genetics, Department of Genetics, Federal University of Pernambuco, Recife 50670-901, Brazil
| | - Rafael Barros De Souza
- Laboratory of Microbial Metabolism, Institute of Biological Sciences, University of Pernambuco, Recife 50100-130, Brazil
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16
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Hsein H, Auffray J, Noel T, Tchoreloff P. Recent advances and persistent challenges in the design of freeze-drying process for monoclonal antibodies. Pharm Dev Technol 2022; 27:942-955. [PMID: 36206457 DOI: 10.1080/10837450.2022.2131818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Monoclonal antibodies constitute nowadays an important therapeutic class and the number of approved molecules for clinical uses continues to increase, achieving considerable part of the therapeutic market. Yet, the stability in solution of these biopharmaceuticals is often low. That's why freeze-drying has been and remains the method of choice to obtain monoclonal antibodies in the solid state and to improve their stability. The design of freeze-drying process and its optimization are still topical subjects of interest and the pharmaceutical industry is regularly challenged by the requirements of quality, safety and efficiency set by the regulatory authorities. These requirements imply a deep understanding of each step of the freeze-drying process, developing techniques to control the critical parameters and to monitor the quality of the intermediate and the final product. In addition to quality issues, the optimization of the freeze-drying process in order to reduce the cycle length is of great interest since freeze-drying is known to be an energy-expensive and time consuming process. In this review, we will present the recent literature dealing with the freeze-drying of monoclonal antibodies and focus on the process parameters and strategies used to improve the stability of these molecules and to optimize the FD process.
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Affiliation(s)
- Hassana Hsein
- Univ. Bordeaux, CNRS, Arts et Metiers Institute of Technology, Bordeaux INP, INRAE, I2M Bordeaux, F-33400 Talence, France
| | - Julie Auffray
- Univ. Bordeaux, CNRS, Arts et Metiers Institute of Technology, Bordeaux INP, INRAE, I2M Bordeaux, F-33400 Talence, France.,Univ. Bordeaux, CNRS, Microbiologie Fondamentale et Pathogénicité, UMR 5234, Bordeaux, France
| | - Thierry Noel
- Univ. Bordeaux, CNRS, Microbiologie Fondamentale et Pathogénicité, UMR 5234, Bordeaux, France
| | - Pierre Tchoreloff
- Univ. Bordeaux, CNRS, Arts et Metiers Institute of Technology, Bordeaux INP, INRAE, I2M Bordeaux, F-33400 Talence, France
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17
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Mehanna MM, Abla KK. Recent Advances in Freeze-Drying: Variables, Cycle Optimization, and Innovative Techniques. Pharm Dev Technol 2022; 27:904-923. [PMID: 36174214 DOI: 10.1080/10837450.2022.2129385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Freeze-drying (FD) is the most substantial drying technique utilized in the pharmaceutical and biopharmaceutical industries. It is a drying process where the solvent is crystallized at low temperatures and then sublimed from the solid-state directly into the vapor phase. Although FD possesses several merits as its suitability for thermolabile materials and its ability to produce dry products with high-quality attributes, it is a complex and prolonged process that requires optimization of both; process and formulation variables. This review attains to disassemble freeze-drying complications through a detailed explanation of the lyophilization concept, stages, the factors influencing the process including controlled ice nucleation, and the modified and innovative freeze-drying technologies proposed in recent years to overcome the shortage of traditional freeze-drying. In addition, this work points out the quality by design (QbD), critical quality of attributes (CQAs), limitations, and drawbacks of lyophilization.HighlightsLyophilization is a propitious drying technique for thermolabile materials.Optimizing the lyophilization cycle requires controlling the process parameters.The formulation excipients and the dispersion medium play crucial roles in designing a successful process.Numerous approaches were developed to ameliorate the lyophilization performance.
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Affiliation(s)
- Mohammed M Mehanna
- Department of Industrial Pharmacy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Kawthar K Abla
- Pharmaceutical Nanotechnology Research Lab, Faculty of Pharmacy, Beirut Arab University, Beirut, Lebanon
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18
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Davagnino J, Gabrielson JP. Developing Lyophilized Formulations for Protein Biopharmaceuticals Containing Salt that Produce Placebos of Corresponding Appearance. J Pharm Sci 2022; 111:2930-2937. [DOI: 10.1016/j.xphs.2022.06.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/15/2022]
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19
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Schneider KT, Kirmann T, Wenzel EV, Grosch JH, Polten S, Meier D, Becker M, Matejtschuk P, Hust M, Russo G, Dübel S. Shelf-Life Extension of Fc-Fused Single Chain Fragment Variable Antibodies by Lyophilization. Front Cell Infect Microbiol 2021; 11:717689. [PMID: 34869052 PMCID: PMC8634725 DOI: 10.3389/fcimb.2021.717689] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 10/25/2021] [Indexed: 11/18/2022] Open
Abstract
Generation of sequence defined antibodies from universal libraries by phage display has been established over the past three decades as a robust method to cope with the increasing market demand in therapy, diagnostics and research. For applications requiring the bivalent antigen binding and an Fc part for detection, phage display generated single chain Fv (scFv) antibody fragments can rapidly be genetically fused to the Fc moiety of an IgG for the production in eukaryotic cells of antibodies with IgG-like properties. In contrast to conversion of scFv into IgG format, the conversion to scFv-Fc requires only a single cloning step, and provides significantly higher yields in transient cell culture production than IgG. ScFv-Fcs can be effective as neutralizing antibodies in vivo against a panel of pathogens and toxins. However, different scFv fragments are more heterologous in respect of stability than Fab fragments. While some scFv fragments can be made extremely stable, this may change due to few mutations, and is not predictable from the sequence of a newly selected antibody. To mitigate the necessity to assess the stability for every scFv-Fc antibody, we developed a generic lyophilization protocol to improve their shelf life. We compared long-term stability and binding activity of phage display-derived antibodies in the scFv-Fc and IgG format, either stored in liquid or lyophilized state. Conversion of scFv-Fcs into the full IgG format reduced protein degradation and aggregation, but in some cases compromised binding activity. Comparably to IgG conversion, lyophilization of scFv-Fc resulted in the preservation of the antibodies' initial properties after storage, without any drop in affinity for any of the tested antibody clones.
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Affiliation(s)
- Kai-Thomas Schneider
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Toni Kirmann
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Esther Veronika Wenzel
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
- Abcalis GmbH, Braunschweig, Germany
| | - Jan-Hendrik Grosch
- Institute of Biochemical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
- Center of Pharmaceutical Engineering, Technische Universität Braunschweig, Braunschweig, Germany
| | - Saskia Polten
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Doris Meier
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Marlies Becker
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Paul Matejtschuk
- Standardisation Science, National Institute for Biological Standards & Control (NIBSC), Hertfordshire, United Kingdom
| | - Michael Hust
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
| | - Giulio Russo
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
- Abcalis GmbH, Braunschweig, Germany
| | - Stefan Dübel
- Department of Biotechnology, Technische Universität Braunschweig, Braunschweig, Germany
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20
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Bogner R, Gong E, Kessler W, Hinds M, Manchanda A, Yoon S, Liu H, Marx R, Zhao J, Sharma P, Bhambhani A, Stanbro J, Alexeenko A, Kazarin P. A Software Tool for Lyophilization Primary Drying Process Development and Scale-up Including Process Heterogeneity, I: Laboratory-Scale Model Testing. AAPS PharmSciTech 2021; 22:274. [PMID: 34773199 DOI: 10.1208/s12249-021-02134-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/01/2021] [Indexed: 11/30/2022] Open
Abstract
Freeze-drying is a deceptively complex operation requiring sophisticated design of a robust and efficient process that includes understanding and planning for heterogeneity across the batch and shifts in parameters due to vial or lyophilizer changes. A software tool has been designed to assist in process development and scale-up based on a model that includes consideration of the process heterogeneity. Two drug formulations were used to test the ability of the new tool to develop a freeze-drying cycle and correctly predict product temperatures and drying times. Model inputs were determined experimentally, and the primary drying heterogeneous freeze-drying model was used to design drying cycles that provided data to verify the accuracy of model-predicted product temperature and primary drying time. When model inputs were accurate, model-predicted primary drying times were within 0.1 to 15.9% of experimentally measured values, and product temperature accuracy was between 0.2 and 1.2°C for three vial locations, center, inner edge, and outer edge. However, for some drying cycles, differences in vial heat transfer coefficients due to changes in shelf and product temperature as well as altered product resistance due to product temperature-dependent microcollapse increased inaccuracy (up to 28.6% difference in primary drying time and 5.1°C difference in product temperature). This highlights the need for careful determination of experimental conditions used to calculate model inputs. In future efforts, full characterization of location- and shelf temperature-dependentKv as well as location- and product temperature-dependentRp will enhance the accuracy of the predictions by the model within the user-friendly software.
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21
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Development of a stable lyophilized adeno-associated virus gene therapy formulation. Int J Pharm 2021; 606:120912. [PMID: 34298099 DOI: 10.1016/j.ijpharm.2021.120912] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/13/2021] [Accepted: 07/18/2021] [Indexed: 11/21/2022]
Abstract
Adeno-associated viruses (AAV) are among the most actively investigated vectors for gene therapy. Supply of early clinical studies with frozen drug product (DP) can accelerate timelines and minimize degradation risks. In the long-term, logistical challenges of frozen DP may limit patient access. In this work, we developed a lyophilized (freeze-dried) formulation of AAV. The mass concentration of AAV is typically low, and AAV also requires a minimum ionic strength to inhibit aggregation. These factors result in a low collapse temperature, which is limiting to lyophilization. Mannitol crystallization was found to cause extensive degradation and potency loss of AAV during the freezing step. With further development, we determined that AAV could be lyophilized in a sucrose and citrate formulation with a more desirable high glass transition temperature of the dried cake. An optimal residual moisture range (1-3%) was found to be critical to maintaining AAV8 stability. Glycerol was found to protect AAV8 from over-drying by preventing capsid damage and genome DNA release. A lyophilized formulation was identified that maintained potency for 24 months at 2-8 °C, indicating the feasibility of a dried formulation for AAV gene therapy.
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22
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Chen Y, Mutukuri TT, Wilson NE, Zhou QT. Pharmaceutical protein solids: Drying technology, solid-state characterization and stability. Adv Drug Deliv Rev 2021; 172:211-233. [PMID: 33705880 PMCID: PMC8107147 DOI: 10.1016/j.addr.2021.02.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/18/2021] [Accepted: 02/22/2021] [Indexed: 01/30/2023]
Abstract
Despite the boom in biologics over the past decade, the intrinsic instability of these large molecules poses significant challenges to formulation development. Almost half of all pharmaceutical protein products are formulated in the solid form to preserve protein native structure and extend product shelf-life. In this review, both traditional and emerging drying techniques for producing protein solids will be discussed. During the drying process, various stresses can impact the stability of protein solids. However, understanding the impact of stress on protein product quality can be challenging due to the lack of reliable characterization techniques for biological solids. Both conventional and advanced characterization techniques are discussed including differential scanning calorimetry (DSC), solid-state Fourier transform infrared spectrometry (ssFTIR), solid-state fluorescence spectrometry, solid-state hydrogen deuterium exchange (ssHDX), solid-state nuclear magnetic resonance (ssNMR) and solid-state photolytic labeling (ssPL). Advanced characterization tools may offer mechanistic investigations into local structural changes and interactions at higher resolutions. The continuous exploration of new drying techniques, as well as a better understanding of the effects caused by different drying techniques in solid state, would advance the formulation development of biological products with superior quality.
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Affiliation(s)
- Yuan Chen
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Tarun Tejasvi Mutukuri
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Nathan E Wilson
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Qi Tony Zhou
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA.
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23
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Investigation of lyophilized formulation susceptible to the ramp rate of shelf temperature in the primary drying process. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Boksa K, Walsh P, Shah A. Case Study in the Design of a Surrogate Solution for Use in Biopharmaceutical Drug Product Process Development. AAPS PharmSciTech 2021; 22:32. [PMID: 33404995 DOI: 10.1208/s12249-020-01881-z] [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: 07/21/2020] [Accepted: 11/18/2020] [Indexed: 11/30/2022] Open
Abstract
The use of an aqueous-based surrogate solution in at-scale process development for biopharmaceutical drug products enables significant reduction in the usage of costly drug substance and improves confidence in initial drug product production runs performed using active biotherapeutic. Strategies for the formulation design of a surrogate solution that is representative of the unit operations in a typical drug product manufacturing process for a biopharmaceutical are presented herein, and a case study for the development of a surrogate solution for an example protein drug product is discussed. The surrogate was shown to have similar physical attributes to the drug product, including viscosity, surface tension, and density. The surrogate was used in at-scale process development of compounding, filling, and lyophilization operations in a single technical run, and the performance was shown to be similar to that of the drug product solution, providing a cost-effective and readily available option for process development while minimizing operator exposure to potentially hazardous drug solution and limiting drug wastage.
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25
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Seifert I, Bregolin A, Fissore D, Friess W. The Influence of Arginine and Counter-Ions: Antibody Stability during Freeze-Drying. J Pharm Sci 2020; 110:2017-2027. [PMID: 33316241 DOI: 10.1016/j.xphs.2020.12.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 12/01/2020] [Accepted: 12/07/2020] [Indexed: 11/16/2022]
Abstract
Amino acids, for example L-arginine, are used in lyophilisation as crystalline bulking, buffering, viscosity reducing or stabilising excipients. In this study, arginine was formulated with different counter ions (hydrochloride, citrate, lactobionate, phosphate, and succinate). A monoclonal antibody was investigated in sugar-free arginine formulations and mixtures with sucrose regarding cake appearance and protein aggregation and fragmentation. Arginine hydrochloride formulations collapsed during lyophilisation due to its low Tg' and partially crystallised during storage, but provided the best protein stability at low antibody concentration, followed by arginine succinate. Arginine citrate/phosphate/lactobionate formulations resulted in amorphous elegant cakes, but inferior protein stability. Addition of sucrose improved cake appearance and protein stability. Arginine phosphate with sucrose resulted in similar protein stability as the sucrose reference. Mixtures of sucrose with arginine hydrochloride/lactobionate/succinate provided better stability than sucrose alone. While 50 mg/mL antibody improved the cake appearance, only arginine lactobionate provided sufficient protein stability next to sucrose. Overall, sugar-free arginine hydrochloride and lactobionate lyophilisates stabilised the antibody comparably or better than sucrose depending on antibody concentration. The best protein stability was found for mixtures of arginine hydrochloride/lactobionate/succinate with sucrose.
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Affiliation(s)
- Ivonne Seifert
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Alessandro Bregolin
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin, Italy
| | - Davide Fissore
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin, Italy
| | - Wolfgang Friess
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany.
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Butreddy A, Janga KY, Ajjarapu S, Sarabu S, Dudhipala N. Instability of therapeutic proteins - An overview of stresses, stabilization mechanisms and analytical techniques involved in lyophilized proteins. Int J Biol Macromol 2020; 167:309-325. [PMID: 33275971 DOI: 10.1016/j.ijbiomac.2020.11.188] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/23/2020] [Accepted: 11/26/2020] [Indexed: 01/06/2023]
Abstract
Solid-state is the preferred choice for storage of protein therapeutics to improve stability and preserve the biological activity by decreasing the physical and chemical degradation associated with liquid protein formulations. Lyophilization or freeze-drying is an effective drying method to overcome the instability problems of proteins. However, the processing steps (freezing, primary drying and secondary drying) involved in the lyophilization process can expose the proteins to various stress and harsh conditions, leading to denaturation, aggregation often a loss in activity of protein therapeutics. Stabilizers such as sugars and surfactants are often added to protect the proteins against physical stress associated with lyophilization process and storage conditions. Another way to curtail the degradation of proteins due to process related stress is by modification of the lyophilization process. Slow freezing, high nucleation temperature, decreasing the extent of supercooling, and annealing can minimize the formation of the interface (ice-water) by producing large ice crystals with less surface area, thereby preserving the native structure and stability of the proteins. Hence, a thorough understanding of formulation composition, lyophilization process parameters and the choice of analytical methods to characterize and monitor the protein instability is crucial for development of stable therapeutic protein products. This review provides an overview of various stress conditions that proteins might encounter during lyophilization process, mechanisms to improve the stability and analytical techniques to tackle the proteins instability during both freeze-drying and storage.
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Affiliation(s)
- Arun Butreddy
- Formulation R&D, Biological E. Limited, IKP Knowledge Park, Shameerpet, Hyderabad, Telangana State 500078, India; Laboratory of Nanotechnology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana State 506009, India
| | - Karthik Yadav Janga
- Laboratory of Nanotechnology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana State 506009, India
| | - Srinivas Ajjarapu
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani 333031, India
| | - Sandeep Sarabu
- Laboratory of Nanotechnology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana State 506009, India
| | - Narendar Dudhipala
- Laboratory of Nanotechnology, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana State 506009, India; Department of Pharmaceutics, Vaagdevi College of Pharmacy, Warangal, Telangana State 506 005, India..
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De-Luca R, Bano G, Tomba E, Bezzo F, Barolo M. Accelerating the Development and Transfer of Freeze-Drying Operations for the Manufacturing of Biopharmaceuticals by Model-Based Design of Experiments. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03115] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Riccardo De-Luca
- CAPE-Lab—Computer-Aided Process Engineering Laboratory, Department of Industrial Engineering, University of Padova, via Marzolo 9, Padova 35131, Italy
| | | | | | - Fabrizio Bezzo
- CAPE-Lab—Computer-Aided Process Engineering Laboratory, Department of Industrial Engineering, University of Padova, via Marzolo 9, Padova 35131, Italy
| | - Massimiliano Barolo
- CAPE-Lab—Computer-Aided Process Engineering Laboratory, Department of Industrial Engineering, University of Padova, via Marzolo 9, Padova 35131, Italy
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28
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Seifert I, Friess W. Improvement of arginine hydrochloride based antibody lyophilisates. Int J Pharm 2020; 589:119859. [DOI: 10.1016/j.ijpharm.2020.119859] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 01/06/2023]
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29
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A Review on Mixing-Induced Protein Particle Formation: The Puzzle of Bottom-Mounted Mixers. J Pharm Sci 2020; 109:2363-2374. [DOI: 10.1016/j.xphs.2020.03.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 12/18/2022]
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30
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Franzè S, Selmin F, Rocco P, Colombo G, Casiraghi A, Cilurzo F. Preserving the Integrity of Liposomes Prepared by Ethanol Injection upon Freeze-Drying: Insights from Combined Molecular Dynamics Simulations and Experimental Data. Pharmaceutics 2020; 12:pharmaceutics12060530. [PMID: 32526935 PMCID: PMC7356173 DOI: 10.3390/pharmaceutics12060530] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 11/17/2022] Open
Abstract
The freeze-drying of complex formulations, such as liposomes, is challenging, particularly if dispersions contain residual organic solvents. This work aimed to investigate the effects of possible protectants, namely sucrose, trehalose and/or poly(vinyl pyrrolidone) (PVP), on the main features of the dried product using a 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC)-based liposomal dispersion prepared by ethanol injection and containing ethanol up to 6%, as a model. The interactions among vesicles and protectants were preliminary screened by Molecular Dynamics (MD) simulations, which have been proved useful in rationalizing the selection of protectant(s). The freeze-drying protocol was based on calorimetric results. Overall data suggested a stronger cryo-protectant effect of trehalose, compared with sucrose, due to stronger interactions with the DPPC bilayer and the formation of highly ordered clusters around the lipids. The effect further improved in the presence of PVP. Differently from the other tested protectants, the selected trehalose/PVP combination allows to preserve liposome size, even in the presence of 6% ethanol, as demonstrated by Nanoparticle Tracking Analysis (NTA). Nevertheless, it should be also underlined that cakes blew out at an ethanol concentration higher than 1% v/v, probably due to the poor cohesion within the cake and solvent vapour pressure upon sublimation.
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Affiliation(s)
- Silvia Franzè
- Department of Pharmaceutical Sciences, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (S.F.); (P.R.); (A.C.); (F.C.)
| | - Francesca Selmin
- Department of Pharmaceutical Sciences, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (S.F.); (P.R.); (A.C.); (F.C.)
- Correspondence: ; Tel.: +39-02-503-24645
| | - Paolo Rocco
- Department of Pharmaceutical Sciences, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (S.F.); (P.R.); (A.C.); (F.C.)
| | | | - Antonella Casiraghi
- Department of Pharmaceutical Sciences, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (S.F.); (P.R.); (A.C.); (F.C.)
| | - Francesco Cilurzo
- Department of Pharmaceutical Sciences, University of Milan, Via G. Colombo 71, 20133 Milan, Italy; (S.F.); (P.R.); (A.C.); (F.C.)
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31
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Presas E, Sultan E, Gervasi V, Crean AM, Werner U, Bazile D, O'Driscoll CM. Long-term stability of insulin glulisine loaded nanoparticles formulated using an amphiphilic cyclodextrin and designed for intestinal delivery. Drug Dev Ind Pharm 2020; 46:1073-1079. [PMID: 32478645 DOI: 10.1080/03639045.2020.1775631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Long-term stability is one of the main challenges for translation of therapeutic proteins into commercially viable biopharmaceutical products. During processing and storage, proteins are susceptible to denaturation. The aim of this work was to evaluate the stability of amphiphilic cyclodextrin-based nanoparticles (NPs) containing insulin glulisine. The stability of the NP dispersion was systematically evaluated following storage at three different temperatures (4 °C, room temperature (RT) and 40 °C). While the colloidal parameters of the NPs in terms of size and zeta potential were maintained (109 ± 9 nm, polydispersity index 0.272, negative zeta potential -25 ± 3 mV), insulin degraded over 60 days during storage. To enhance the shelf life of the product and to circumvent the need for cold-chain maintenance, a lyophilized formulation containing insulin glulisine NPs (1.75 mg/mL of NPs) and 25 mg/mL trehalose was produced. The freeze-dried powder extended the stability of the product for up to 30 days at ambient temperature and 90 days at 4 °C (with 95% and >80% insulin recovery, respectively). Following intra-intestinal administration of the freeze-dried formulation, while no lowering of blood glucose was seen, insulin glulisine was detected in both portal and systemic blood indicating that potential exists for further development of the formulation to simultaneously achieve prolonged stability and therapeutic efficacy.
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Affiliation(s)
- Elena Presas
- Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, Ireland
| | - Eric Sultan
- Sanofi Research and Development, Paris, France.,Sanofi Research and Development, Frankfurt, Germany
| | - Valeria Gervasi
- Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, Ireland
| | - Abina M Crean
- Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, Ireland
| | - Ulrich Werner
- Sanofi Research and Development, Paris, France.,Sanofi Research and Development, Frankfurt, Germany
| | - Didier Bazile
- Sanofi Research and Development, Paris, France.,Sanofi Research and Development, Frankfurt, Germany
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32
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Jeeraruangrattana Y, Smith G, Polygalov E, Ermolina I. Determination of ice interface temperature, sublimation rate and the dried product resistance, and its application in the assessment of microcollapse using through-vial impedance spectroscopy. Eur J Pharm Biopharm 2020; 152:144-163. [PMID: 32353532 DOI: 10.1016/j.ejpb.2020.04.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 04/15/2020] [Accepted: 04/22/2020] [Indexed: 10/24/2022]
Abstract
Through-vial impedance spectroscopy (TVIS) is a new approach for characterizing product attributes during freeze-drying process development. In this study, a pair of copper foil electrodes was attached to the external surface of a Type I glass tubing vial, of nominal capacity 10 mL and containing 3.5 g of an aqueous solution of 5%w/v lactose, and the impedance spectrum of the vial and contents recorded during a lyophilization cycle. The cycle included a temperature ramp in the primary drying stage in order to induce a collapse event in the dry layer. Using the peak in the dielectric loss spectrum, associated with the dielectric relaxation of ice, methods were developed to predict the sublimation rate and the ice interface temperature at the sublimation front, from which the dry layer resistance was then calculated. A four-fold increase in sublimation rate and a reduction in the dry layer resistance wereobserved once the ice interface temperature reached -33 °C, which coincides with the onset of the glass transition (as determined by DSC) and the time point at which micro-collapse occurred (as evidenced by SEM images at the end of the cycle). This work suggests a prospective application of impedance measurements in driving process efficiencies by operating the dryer at the highest achievable temperature (i.e. the collapse temperature) whilst avoiding macro-collapse.
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Affiliation(s)
| | - Geoff Smith
- Leicester School of Pharmacy, De Montfort University, The Gateway, Leicester LE1 9BH, United Kingdom.
| | - Evgeny Polygalov
- Leicester School of Pharmacy, De Montfort University, The Gateway, Leicester LE1 9BH, United Kingdom
| | - Irina Ermolina
- Leicester School of Pharmacy, De Montfort University, The Gateway, Leicester LE1 9BH, United Kingdom
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33
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Assegehegn G, Brito-de la Fuente E, Franco JM, Gallegos C. Use of a temperature ramp approach (TRA) to design an optimum and robust freeze-drying process for pharmaceutical formulations. Int J Pharm 2020; 578:119116. [PMID: 32027958 DOI: 10.1016/j.ijpharm.2020.119116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 01/29/2020] [Accepted: 02/02/2020] [Indexed: 10/25/2022]
Abstract
Freeze-drying, until now, has been a process that was designed using a trial and error experimental approach. This approach is often material and time consuming, and the resulting freeze-drying processes are neither optimum nor robust. Accordingly, the objective of this study was to develop a simple-to-use and experimental-based approach to design an optimum and robust freeze-drying process for any given formulation. The temperature ramp approach (TRA) detailed in this study involves the implementation of a customized design of experiments (DoE) to perform few (three or four) experiments using a given drug formulation. The DoE results are analyzed to define optimum processing conditions (i.e., shelf temperature and chamber pressure) based on a predefined range of target product temperature for primary drying, which could be defined from formulation characterization at its frozen state. In this study, a successful freeze-drying process of two model formulations using the TRA was designed. Verification experiments at the optimum processing conditions showed excellent agreement in both product temperature and sublimation rate with the values obtained using the TRA. Thus, the TRA detailed in this study offers a significant advantage to reduce development time and material, and enhance the efficiency and robustness of the resulting freeze-drying process.
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Affiliation(s)
- Getachew Assegehegn
- Fresenius-Kabi Deutschland GmbH, Product and Process Engineering Center, Global Manufacturing Pharmaceuticals, Bad Homburg, Germany.
| | - Edmundo Brito-de la Fuente
- Fresenius-Kabi Deutschland GmbH, Product and Process Engineering Center, Global Manufacturing Pharmaceuticals, Bad Homburg, Germany
| | - José M Franco
- Pro2TecS-Chemical Product and Process Technology Research Centre, Complex Fluid Engineering Laboratory, Departamento de Ingeniería Química, Universidad de Huelva, Huelva, Spain
| | - Críspulo Gallegos
- Fresenius-Kabi Deutschland GmbH, Product and Process Engineering Center, Global Manufacturing Pharmaceuticals, Bad Homburg, Germany
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34
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Excipients in freeze-dried biopharmaceuticals: Contributions toward formulation stability and lyophilisation cycle optimisation. Int J Pharm 2020; 576:119029. [DOI: 10.1016/j.ijpharm.2020.119029] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 02/08/2023]
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35
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Haeuser C, Goldbach P, Huwyler J, Friess W, Allmendinger A. Excipients for Room Temperature Stable Freeze-Dried Monoclonal Antibody Formulations. J Pharm Sci 2020; 109:807-817. [PMID: 31622600 DOI: 10.1016/j.xphs.2019.10.016] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/09/2019] [Accepted: 10/09/2019] [Indexed: 01/26/2023]
Abstract
Sucrose is a common cryoprotectant and lyoprotectant to stabilize labile biopharmaceuticals during freeze-drying and storage. Sucrose-based formulations require low primary drying temperatures to avoid collapse and monoclonal antibody (mAb) containing products need to be stored refrigerated. The objective of this study is to investigate different excipients enabling storage at room temperature and aggressive, shorter lyophilization cycles. We studied combinations of 2-hydroxypropyl-beta-cyclodextrin (CD), recombinant human albumin, polyvinylpyrroldione (PVP), dextran 40 kDa (Dex), and sucrose (Suc) using 2 mAbs. Samples were characterized for collapse temperature (Tc), glass transition temperature of the liquid (Tg') and freeze-dried formulation (Tg), cake appearance, residual moisture, and reconstitution time. Freeze-dried formulations were stored at 5°C, 25°C, and 40°C for up to 9 months and mAb stability was analyzed for color, turbidity, visible and sub-visible particles, and monomer content. Formulations with CD/Suc or CD/PVP/Suc were superior to pure Suc formulations for long-term storage at 40°C. When using aggressive freeze-drying cycles, these formulations were characterized by pharmaceutically elegant cakes, short reconstitution times, higher Tg', Tc, and Tg. We conclude that the addition of CD allows for shorter freeze-drying cycles with improved cake appearance and enables storage at room temperature, which might reduce costs of goods substantially.
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Affiliation(s)
- Christina Haeuser
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., Basel 4070, Switzerland; Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Basel 4056, Switzerland
| | - Pierre Goldbach
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., Basel 4070, Switzerland
| | - Joerg Huwyler
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Basel 4056, Switzerland
| | - Wolfgang Friess
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-University Munich, 81377 Munich, Germany
| | - Andrea Allmendinger
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., Basel 4070, Switzerland.
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36
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Gitter JH, Geidobler R, Presser I, Winter G. Microwave-Assisted Freeze-Drying of Monoclonal Antibodies: Product Quality Aspects and Storage Stability. Pharmaceutics 2019; 11:E674. [PMID: 31842296 PMCID: PMC6956074 DOI: 10.3390/pharmaceutics11120674] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/06/2019] [Accepted: 12/07/2019] [Indexed: 11/29/2022] Open
Abstract
In order to overcome the downside of long conventional freeze-drying (CFD) process times for monoclonal antibody formulations, microwave-assisted freeze-drying (MFD) was introduced. Recently, the general applicability and potential shortening of drying times were shown. However, little is known about the storage stability of MFD products compared to CFD references. Additionally, batch homogeneity issues were seen within MFD in the past. In this study, we examined four different formulations of two different monoclonal antibodies using three different glass-forming excipients: sucrose, trehalose, and arginine phosphate. These formulations were freeze-dried with two different drying protocols (CFD and MFD), stored for 24 weeks, and analyzed for solid-state and protein-related quality attributes. Moreover, a new microwave generator setup was investigated for its potential to improve batch homogeneity. In all investigated formulations, comparable stability profiles were found, although the classical magnetron generator led to inferior batch homogeneity with respect to residual moisture distribution. In contrast, the new MFD setup indicated the potential to approximate batch homogeneity to the level of CFD. However, for future applications, there is an unabated need for new machine designs to comply with pharmaceutical manufacturing requirements.
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Affiliation(s)
- Julian Hendryk Gitter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Raimund Geidobler
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Ingo Presser
- Boehringer Ingelheim Pharma GmbH & Co. KG, Pharmaceutical Development Biologicals, 88397 Biberach an der Riß, Germany
| | - Gerhard Winter
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
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Haeuser C, Goldbach P, Huwyler J, Friess W, Allmendinger A. Be Aggressive! Amorphous Excipients Enabling Single-Step Freeze-Drying of Monoclonal Antibody Formulations. Pharmaceutics 2019; 11:E616. [PMID: 31744221 PMCID: PMC6920930 DOI: 10.3390/pharmaceutics11110616] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 10/30/2019] [Accepted: 11/12/2019] [Indexed: 12/02/2022] Open
Abstract
Short freeze-drying cycles for biopharmaceuticals are desirable. Formulations containing an amorphous disaccharide, such as sucrose, are prone to collapse upon aggressive primary drying at higher shelf temperature. We used 2-hydroxypropyl-betacyclodextrin (HPBCD) in combination with sucrose and polyvinylpyrrolidone (PVP) to develop an aggressive lyophilization cycle for low concentration monoclonal antibody (mAb) formulations. Glass transition temperature and collapse temperature of the formulations were determined, and increasingly aggressive cycle parameters were applied. Using a shelf temperature of +30 °C during primary drying, the concept of combining sublimation and desorption of water in a single drying step was investigated. Cake appearance was evaluated visually and by micro-computed tomography. Lyophilisates were further analyzed for reconstitution time, specific surface area, residual moisture, and glass transition temperature. We demonstrated the applicability of single-step freeze-drying, shortening the total cycle time by 50% and providing elegant lyophilisates for pure HPBCD and HPBCD/sucrose formulations. HPBCD/PVP/sucrose showed minor dents, while good mAb stability at 10 mg/mL was obtained for HPBCD/sucrose and HPBCD/PVP/sucrose when stored at 40 °C for 3 months. We conclude that HPBCD-based formulations in combination with sucrose are highly attractive, enabling aggressive, single-step freeze-drying of low concentration mAb formulations, while maintaining elegant lyophilisates and ensuring protein stability at the same time.
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Affiliation(s)
- Christina Haeuser
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (C.H.); (P.G.)
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, 4056 Basel, Switzerland;
| | - Pierre Goldbach
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (C.H.); (P.G.)
| | - Joerg Huwyler
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, 4056 Basel, Switzerland;
| | - Wolfgang Friess
- Pharmaceutical Technology and Biopharmaceutics, Department of Pharmacy, Ludwig-Maximilians-University Munich, 81377 Munich, Germany;
| | - Andrea Allmendinger
- Late Stage Pharmaceutical and Processing Development, Pharmaceutical Development & Supplies, Pharma Technical Development Biologics EU, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland; (C.H.); (P.G.)
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38
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Gervasi V, Cullen S, McCoy T, Crean A, Vucen S. Application of a mixture DOE for the prediction of formulation critical temperatures during lyophilisation process optimisation. Int J Pharm 2019; 572:118807. [PMID: 31678526 DOI: 10.1016/j.ijpharm.2019.118807] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 10/12/2019] [Accepted: 10/16/2019] [Indexed: 01/27/2023]
Abstract
During lyophilisation cycle design, primary drying parameters (chamber pressure and shelf temperature) are adjusted to maximize the sublimation rate and prevent cake collapse, by maintaining the product continuously below its critical temperatures. The objective of this study was to employ mixture design of experiments to generate empirical models capable of predicting glass transition of the maximally freeze concentrated solution (Tg') and collapse temperature (Tc) of amorphous protein (BSA and IgG1) formulations. Additionally, the models developed aid the design of high concentration protein formulations with maximised critical temperatures to obtain shorter and more cost-effective lyophilisation cycles. Formulations contain sucrose as cryo/lyo-protectant and arginine/arginine-HCl as multifunctional excipient (e.g. solubility enhancer, viscosity and aggregation suppressor). The impact of formulation components at varied ratios on critical temperatures was evaluated; the amorphous excipients decrease critical temperatures, on the contrary, the protein increases critical temperatures. The robustness of the empirical models generated with BSA formulations was verified with BSA and IgG1 formulations. The models showed greater accuracy in predicting Tg' than the Fox-Flory equation. For the first time, empirical models are reported to predict both critical temperatures. Finally, unconventional collapse events observed for formulations with and without arginine/arginine-HCl at different protein concentrations are also discussed.
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Affiliation(s)
- V Gervasi
- Synthesis and Solid State Pharmaceutical Centre (SSPC), School of Pharmacy, University College Cork, Cork, Ireland; Manufacturing Science Department, Sanofi, Waterford, Ireland
| | - S Cullen
- Manufacturing Science Department, Sanofi, Waterford, Ireland
| | - T McCoy
- Global Biologics Drug Product Development (BioDPD), Sanofi R&D, Framingham, MA, USA
| | - A Crean
- Synthesis and Solid State Pharmaceutical Centre (SSPC), School of Pharmacy, University College Cork, Cork, Ireland
| | - S Vucen
- Synthesis and Solid State Pharmaceutical Centre (SSPC), School of Pharmacy, University College Cork, Cork, Ireland.
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39
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Vohra ZA, Zode SS, Bansal AK. Effect of primary drying temperature on process efficiency and product performance of lyophilized Ertapenam sodium. Drug Dev Ind Pharm 2019; 45:1940-1948. [PMID: 31625418 DOI: 10.1080/03639045.2019.1683024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The present work aimed to investigate the impact of primary drying temperature on lyophilization process efficiency and product performance of lyophilized Ertapenam sodium (EPM). Phase behavior of EPM formulation (200 mg/mL) using differential scanning calorimetry (DSC) and freeze drying microscopy (FDM) showed Tg' at -28.3 °C (onset) and Tc at -25.0 °C (onset), respectively. The formulation was freeze dried at different product temperature (Tp) during primary drying, using (a) conservative cycle (CC) where the maximum Tp (-31.9 °C) <Tg', (b) aggressive cycle 01 (AC01) where the maximum Tp (-24.8 °C) >Tg', and (c) AC02 where the maximum Tp (-21.0 °C) >Tc. The drying kinetics revealed that the sublimation rate was increased from 0.128 g/h/vial in CC to 0.159 and 0.182 g/h/vial in AC01 and AC02, respectively. This ultimately reduced the primary drying time of 208 min in CC to 145 min in AC01 and to 103 minutes in AC02. Morphological evaluation of cake using scanning electron microscopy (SEM) and texture analysis revealed that AC01 lead to induction of microcollapse, whereas AC02 resulted in collapsed cake. Furthermore, the microcollapsed formulations showed similar physicochemical stability to CC formulation, whereas collapsed cake showed significant degradation of EPM and increased degradation on stress stability. The study highlights that primary drying with microcollapse can be utilized to improve the process efficiency without compromising product quality of amorphous EPM.
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Affiliation(s)
| | - Sandeep S Zode
- Department of Pharmaceutics, NIPER SAS Nagar, Mohali, India
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40
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Investigation of drug product and container-closure interactions: A case study of diluent containing prefilled syringe. Eur J Pharm Biopharm 2019; 140:67-77. [DOI: 10.1016/j.ejpb.2019.04.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/29/2019] [Accepted: 04/29/2019] [Indexed: 01/16/2023]
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41
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Ohori R, Akita T, Yamashita C. Mechanism of collapse of amorphous-based lyophilized cake induced by slow ramp during the shelf ramp process. Int J Pharm 2019; 564:461-471. [DOI: 10.1016/j.ijpharm.2019.04.057] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 04/01/2019] [Accepted: 04/19/2019] [Indexed: 11/26/2022]
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42
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Assegehegn G, Brito-de la Fuente E, Franco JM, Gallegos C. The Importance of Understanding the Freezing Step and Its Impact on Freeze-Drying Process Performance. J Pharm Sci 2019; 108:1378-1395. [DOI: 10.1016/j.xphs.2018.11.039] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/24/2018] [Accepted: 11/27/2018] [Indexed: 01/01/2023]
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43
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Pansare SK, Patel SM. Lyophilization Process Design and Development: A Single-Step Drying Approach. J Pharm Sci 2018; 108:1423-1433. [PMID: 30468830 DOI: 10.1016/j.xphs.2018.11.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 11/06/2018] [Accepted: 11/14/2018] [Indexed: 11/17/2022]
Abstract
High-throughput lyophilization process was designed and developed for protein formulations using a single-step drying approach at a shelf temperature (Ts) of ≥40°C. Model proteins were evaluated at different protein concentrations in amorphous-only and amorphous-crystalline formulations. Single-step drying resulted in product temperature (Tp) above the collapse temperature (Tc) and a significant reduction (of at least 40%) in process time compared to the control cycle (wherein Tp <Tc). For the amorphous-only formulation at a protein concentration of ≤25 mg/mL, single-step drying resulted in product shrinkage and partial collapse, whereas a 50 mg/mL concentration showed minor product shrinkage. The presence of a crystallizing bulking agent improved product appearance at ≤25 mg/mL protein concentration for single-step drying. No impact to other product quality attributes was observed for single-step drying. Vial type, fill height, and scale-up considerations (i.e., choked flow, condenser capacity, lyophilizer design and geometry) were the important factors identified for successful implementation of single-step drying. Although single-step drying showed significant reduction in the edge vial effect, the scale-up considerations need to be addressed critically. Finally, the single-step drying approach can indeed make the lyophilization process high throughput compared to traditional freeze-drying process (i.e., 2-step drying).
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Affiliation(s)
- Swapnil K Pansare
- MedImmune, LLC, Dosage Form Design and Development Gaithersburg, Maryland 20878
| | - Sajal M Patel
- MedImmune, LLC, Dosage Form Design and Development Gaithersburg, Maryland 20878.
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44
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Crystallizing amino acids as bulking agents in freeze-drying. Eur J Pharm Biopharm 2018; 132:70-82. [DOI: 10.1016/j.ejpb.2018.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/27/2018] [Accepted: 09/06/2018] [Indexed: 11/24/2022]
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45
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Aggressive conditions during primary drying as a contemporary approach to optimise freeze-drying cycles of biopharmaceuticals. Eur J Pharm Sci 2018; 122:292-302. [DOI: 10.1016/j.ejps.2018.07.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 05/10/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022]
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46
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Effect of temperature ramp rate during the primary drying process on the properties of amorphous-based lyophilized cake, Part 2: Successful lyophilization by adopting a fast ramp rate during primary drying in protein formulations. Eur J Pharm Biopharm 2018; 130:83-95. [DOI: 10.1016/j.ejpb.2018.06.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/08/2018] [Accepted: 06/08/2018] [Indexed: 01/08/2023]
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47
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Ozgyin L, Horvath A, Balint BL. Lyophilized human cells stored at room temperature preserve multiple RNA species at excellent quality for RNA sequencing. Oncotarget 2018; 9:31312-31329. [PMID: 30140372 PMCID: PMC6101130 DOI: 10.18632/oncotarget.25764] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 06/22/2018] [Indexed: 11/25/2022] Open
Abstract
Biobanks operating at ambient temperatures would dramatically reduce the costs associated with standard cryogenic storage. In the present study, we used lyophilization to stabilize unfractionated human cells in a dried state at room temperature and tested the yield and integrity of the isolated RNA by microfluidic electrophoresis, RT-qPCR and RNA sequencing. RNA yields and integrity measures were not reduced for lyophilized cells (unstored, stored for two weeks or stored for two months) compared to their paired controls. The abundance of the selected mRNAs with various expression levels, as well as enhancer-associated RNAs and cancer biomarker long non-coding RNAs (MALAT1, GAS5 and TUG1), were not significantly different between the two groups as assessed by RT-qPCR. RNA sequencing data of three lyophilized samples stored for two weeks at room temperature revealed a high degree of similarity with their paired controls in terms of the RNA biotype distribution, cumulative gene diversity, gene body read coverage and per base mismatch rate. Among the 28 differentially expressed genes transcriptional regulators, as well as certain transcript properties suggestive of a residual active decay mechanism were enriched. Our study suggests that freeze-drying of human cells is a suitable alternative for the long-term stabilization of total RNA in whole human cells for routine diagnostics and high-throughput biomedical research.
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Affiliation(s)
- Lilla Ozgyin
- Department of Biochemistry and Molecular Biology, Genomic Medicine and Bioinformatic Core Facility, University of Debrecen, Debrecen H-4012, Hungary
| | - Attila Horvath
- Department of Biochemistry and Molecular Biology, Genomic Medicine and Bioinformatic Core Facility, University of Debrecen, Debrecen H-4012, Hungary.,Department of Biochemistry and Molecular Biology, Nuclear Hormone Receptor Research Laboratory, University of Debrecen, Debrecen H-4012, Hungary
| | - Balint Laszlo Balint
- Department of Biochemistry and Molecular Biology, Genomic Medicine and Bioinformatic Core Facility, University of Debrecen, Debrecen H-4012, Hungary
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48
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Gervasi V, Dall Agnol R, Cullen S, McCoy T, Vucen S, Crean A. Parenteral protein formulations: An overview of approved products within the European Union. Eur J Pharm Biopharm 2018; 131:8-24. [PMID: 30006246 DOI: 10.1016/j.ejpb.2018.07.011] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 12/21/2022]
Abstract
The study presented is a comprehensive overview of commercial parenteral protein formulations, approved by the European Medicines Agency (EMA), 1995-2018. The objective of this overview was to analyse current trends in the design of commercial parenteral protein products and thereby support formulation scientists in the design of new formulations. The main data source was the publicly available European Public Assessment Reports (EPARs) published by the EMA for each authorised product. An analysis of the percentage of formulations in a liquid and lyophilised form was conducted. In addition, the number of products containing individual excipients, classified into functional categories is provided. Finally, the overview includes comprehensive details of product compositions obtained from EMA, US Food and Drug Administration (FDA) and product Marketing Authorisation Holder. Data analysis highlighted trends in the number of products approved, and the higher percentage of liquid parenteral protein formulations (66%) compared to lyophilised formulations (34%). This overview identifies the most commonly incorporated excipients employed as buffering agents, stabilisers/bulking agents, surfactants, preservatives and tonicifiers, including their concentration ranges of use in both liquid and lyophilised formulation approaches. Finally, antibody-based formulations were a particular focus of this overview. The relationship between parenteral routes of administration and antibody concentrations in approved products was also investigated.
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Affiliation(s)
- V Gervasi
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy, University College Cork, Cork, Ireland
| | - R Dall Agnol
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy, University College Cork, Cork, Ireland; University of Caxias do Sul, Caxias do Sul, Brazil
| | - S Cullen
- Technical Development Department, Sanofi, Waterford, Ireland
| | - T McCoy
- Global Biologics Drug Product Development (BioDPD), Sanofi R&D, Framingham, MA, USA
| | - S Vucen
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy, University College Cork, Cork, Ireland
| | - A Crean
- Synthesis and Solid State Pharmaceutical Centre, School of Pharmacy, University College Cork, Cork, Ireland.
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49
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Horn J, Schanda J, Friess W. Impact of fast and conservative freeze-drying on product quality of protein-mannitol-sucrose-glycerol lyophilizates. Eur J Pharm Biopharm 2018. [PMID: 29522899 DOI: 10.1016/j.ejpb.2018.03.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
PURPOSE Mannitol/sucrose formulations are employed to generate lyophilizates for biopharmaceuticals with an elegant cake appearance. The aim of this study was to dry protein/mannitol/sucrose formulations as fast as possible without loss of cake appearance and protein stability. Glycerol was included as potential additional protein stabilizer. Three proteins (lysozyme and two monoclonal antibodies) at low and high concentration were analyzed comparing fast with conservative freeze-drying. METHODS Freeze-drying cycle development was carried out with mannitol/sucrose formulations. A product temperature (Tp) close to the Te of mannitol and clearly above the Tg' of sucrose was targeted. Protein formulations were exposed to the final fast lyophilisation process and to a conservative freeze-drying cycle. Lyophilizates were characterized by differential scanning calorimetry, Karl-Fischer titration and X-ray diffractometry. Additionally, macroscopic cake appearance and reconstitution times were evaluated. Protein stability was characterized by UV/Vis spectroscopy, light obscuration and size exclusion chromatography. RESULTS The fast freeze-drying cycle resulted in a primary drying time of 7 h (Tp: -10 °C) and a secondary drying time of 2 h in contrast to 47 h (Tp: -39 °C) and 12 h for the conservative cycle. Lyophilizates showed Tg values above 60 °C, a residual moisture level of 1%, reconstitution times of less than 35 s, δ-mannitol and elegant cake appearance. Mannitol/sucrose ratios below 4/1 did not lead to complete mannitol crystallization and were therefore not suitable for the selected process conditions. Characterisation of protein stability rendered low aggregation and particle levels for both, fast and conservative freeze-drying conditions. CONCLUSIONS It was shown that fast freeze-drying of mannitol/sucrose formulations above Tg' at a Tp of -10 °C resulted in good protein process stability and appropriate cake characteristics at maximum time reduction.
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Affiliation(s)
- Jacqueline Horn
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Julia Schanda
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Wolfgang Friess
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany.
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50
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Horn J, Friess W. Detection of Collapse and Crystallization of Saccharide, Protein, and Mannitol Formulations by Optical Fibers in Lyophilization. Front Chem 2018; 6:4. [PMID: 29435445 PMCID: PMC5790775 DOI: 10.3389/fchem.2018.00004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/10/2018] [Indexed: 11/13/2022] Open
Abstract
The collapse temperature (Tc) and the glass transition temperature of freeze-concentrated solutions (Tg') as well as the crystallization behavior of excipients are important physicochemical characteristics which guide the cycle development in freeze-drying. The most frequently used methods to determine these values are differential scanning calorimetry (DSC) and freeze-drying microscopy (FDM). The objective of this study was to evaluate the optical fiber system (OFS) unit as alternative tool for the analysis of Tc, Tg' and crystallization events. The OFS unit was also tested as a potential online monitoring tool during freeze-drying. Freeze/thawing and freeze-drying experiments of sucrose, trehalose, stachyose, mannitol, and highly concentrated IgG1 and lysozyme solutions were carried out and monitored by the OFS. Comparative analyses were performed by DSC and FDM. OFS and FDM results correlated well. The crystallization behavior of mannitol could be monitored by the OFS during freeze/thawing as it can be done by DSC. Online monitoring of freeze-drying runs detected collapse of amorphous saccharide matrices. The OFS unit enabled the analysis of both Tc and crystallization processes, which is usually carried out by FDM and DSC. The OFS can hence be used as novel measuring device. Additionally, detection of these events during lyophilization facilitates online-monitoring. Thus the OFS is a new beneficial tool for the development and monitoring of freeze-drying processes.
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Affiliation(s)
- Jacqueline Horn
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Wolfgang Friess
- Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Munich, Germany
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