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Anjum F, Viville T, Nandi S, Wessner M, De Witte B, Collas A, Sadowski G. Bottom-up production of injectable itraconazole suspensions using membrane technology. Int J Pharm 2024; 654:123977. [PMID: 38458403 DOI: 10.1016/j.ijpharm.2024.123977] [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: 12/20/2023] [Revised: 02/19/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Bottom-up production of active pharmaceutical ingredient (API) crystal suspensions offers advantages in surface property control and operational ease over top-down methods. However, downstream separation and concentration pose challenges. This proof-of-concept study explores membrane diafiltration as a comprehensive solution for downstream processing of API crystal suspensions produced via anti-solvent crystallization. It involves switching the residual solvent (N-methyl-2-pyrrolidone, NMP) with water, adjusting the excipient (d-α-Tocopherol polyethylene glycol 1000 succinate, TPGS) quantity, and enhancing API loading (solid concentration) in itraconazole crystal suspensions. NMP concentration was decreased from 9 wt% to below 0.05 wt% (in compliance with European Medicine Agency guidelines), while the TPGS concentration was decreased from 0.475 wt% to 0.07 wt%. This reduced the TPGS-to-itraconazole ratio from 1:2 to less than 1:50 and raised the itraconazole loading from 1 wt% to 35.6 wt%. Importantly, these changes did not adversely affect the itraconazole crystal stability in suspension. This study presents membrane diafiltration as a one-step solution to address downstream challenges in bottom-up API crystal suspension production. These findings contribute to optimizing pharmaceutical manufacturing processes and hold promise for advancing the development of long-acting API crystal suspensions via bottom-up production techniques at a commercial scale.
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Affiliation(s)
- Fatima Anjum
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
| | - Thaïsa Viville
- Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Gent, Belgium.
| | - Snehashis Nandi
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Maximilian Wessner
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
| | - Bruno De Witte
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Alain Collas
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Gabriele Sadowski
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
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Bonaccorso A, Gigliobianco MR, Lombardo R, Pellitteri R, Di Martino P, Mancuso A, Musumeci T. Nanonized carbamazepine for nose-to-brain delivery: pharmaceutical formulation development. Pharm Dev Technol 2023; 28:248-263. [PMID: 36748759 DOI: 10.1080/10837450.2023.2177673] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Epilepsy is one of the most common neurological disorders in the world. The therapeutic treatment is challenging since conventional drugs have limited efficacy and several side effects that impair patient management. Efforts are being made to find innovative strategies to control epileptic seizures. Intranasal administration provides a convenient route to deliver the drug to the brain. Carbamazepine (CBZ) is an anticonvulsant characterized by poor water solubility, nanonization can improve its bioavailability. Therefore, the design of CBZ nanocrystals (NCs) was assessed to obtain a formulation suitable for nose-to-brain delivery. CBZ NCs were prepared by sonoprecipitation following the Quality by Design approach identifying the impact of process and formulation variables on the critical quality attributes of the final product. The formulation was characterized by a technological point of view (thermotropic behavior, crystallinity, morphology, mucoadhesive strength). Response surface methodology was a reliable tool (error % 2.6) to optimize CBZ NCs with size ≤300 nm. Incubation of CBZ NCs in artificial cerebrospinal fluid at 37 °C did not promote aggregation and degradation phenomena. Preliminary biological studies revealed the biocompatibility of CBZ NCs towards Olfactory Ensheating Cells. The suspension was successfully converted into a powder. The highly concentrated formulation can be obtained, providing the possibility to administer the maximum dose of the drug in the lowest volume.
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Affiliation(s)
- Angela Bonaccorso
- Department of Drug and Health Sciences, University of Catania, Catania, Italy.,NANOMED - Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Catania, Italy
| | | | - Rosamaria Lombardo
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
| | - Rosalia Pellitteri
- Institute for Biomedical Research and Innovation, National Research Council, Catania, Italy
| | - Piera Di Martino
- Department of Pharmacy, University of Chieti-Pescara 'G. d'Annunzio', Chieti, Italy
| | - Antonia Mancuso
- Department of Experimental and Clinical Medicine, University of Catanzaro 'Magna Graecia', Catanzaro, Italy
| | - Teresa Musumeci
- Department of Drug and Health Sciences, University of Catania, Catania, Italy.,NANOMED - Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Catania, Italy
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Gadalla HH, Lee S, Kim H, Armstrong AT, Fathalla D, Habib F, Jeong H, Lee W, Yeo Y. Size optimization of carfilzomib nanocrystals for systemic delivery to solid tumors. J Control Release 2022; 352:637-651. [PMID: 36349616 PMCID: PMC9737058 DOI: 10.1016/j.jconrel.2022.10.041] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 10/13/2022] [Accepted: 10/24/2022] [Indexed: 11/08/2022]
Abstract
Carfilzomib (CFZ) is a second-generation proteasome inhibitor effective in blood cancer therapy. However, CFZ has shown limited efficacy in solid tumor therapy due to the short half-life and poor tumor distribution. Albumin-coated nanocrystal (NC) formulation was shown to improve the circulation stability of CFZ, but its antitumor efficacy remained suboptimal. We hypothesize that NC size reduction is critical to the formulation safety and efficacy as the small size would decrease the distribution in the reticuloendothelial system (RES) and selectively increase the uptake by tumor cells. We controlled the size of CFZ-NCs by varying the production parameters in the crystallization-in-medium method and compared the size-reduced CFZ-NCs (z-average of 168 nm, NC168) with a larger counterpart (z-average of 325 nm, NC325) as well as the commercial CFZ formulation (CFZ-CD). Both CFZ-NCs showed similar or higher cytotoxicity than CFZ-CD against breast cancer cells. NC168 showed greater uptake by cancer cells, less uptake by macrophages and lower immune cell toxicity than NC325 or CFZ-CD. NC168, but not NC325, showed a similar safety profile to CFZ-CD in vivo. The biodistribution and antitumor efficacy of CFZ-NCs in mice were also size-dependent. NC168 showed greater antitumor efficacy and tumor accumulation but lower RES accumulation than NC325 in 4T1 breast cancer model. These results support that NC formulation with an optimal particle size can improve the therapeutic efficacy of CFZ in solid tumors.
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Affiliation(s)
- Hytham H. Gadalla
- Department of Industrial and Physical Pharmacy, Purdue University, 575 West Stadium Avenue, West Lafayette, IN 47907, USA,Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Seongsoo Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyungjun Kim
- Department of Industrial and Physical Pharmacy, Purdue University, 575 West Stadium Avenue, West Lafayette, IN 47907, USA,Department of Chemistry and Bioscience, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, Gyeongbuk 39177, Republic of Korea
| | - Abigail T. Armstrong
- Department of Industrial and Physical Pharmacy, Purdue University, 575 West Stadium Avenue, West Lafayette, IN 47907, USA
| | - Dina Fathalla
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Fawzia Habib
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Hyunyoung Jeong
- Department of Industrial and Physical Pharmacy, Purdue University, 575 West Stadium Avenue, West Lafayette, IN 47907, USA
| | - Wooin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea,Corresponding authors: Wooin Lee, Ph.D., Phone: 82.2.880.7873, Fax: 82.2.888.0649, , Yoon Yeo, Ph.D., Phone: 1.765.496.9608, Fax: 1.765.494.6545,
| | - Yoon Yeo
- Department of Industrial and Physical Pharmacy, Purdue University, 575 West Stadium Avenue, West Lafayette, IN 47907, USA,Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA,Corresponding authors: Wooin Lee, Ph.D., Phone: 82.2.880.7873, Fax: 82.2.888.0649, , Yoon Yeo, Ph.D., Phone: 1.765.496.9608, Fax: 1.765.494.6545,
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Xu R, Jiang C, Zhou L, Li B, Hu Y, Guo Y, Xiao X, Lu S. Fabrication of Stable Apigenin Nanosuspension with PEG 400 as Antisolvent for Enhancing the Solubility and Bioavailability. AAPS PharmSciTech 2021; 23:12. [PMID: 34881399 DOI: 10.1208/s12249-021-02164-x] [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: 07/08/2021] [Accepted: 10/18/2021] [Indexed: 12/31/2022] Open
Abstract
The purpose of this paper is to prepare a stable apigenin nanosuspension with a drug concentration of 1.11 mg/mL through green and efficient antisolvent method. Compared with the traditional preparation process that may use toxic reagents, in this study, a green and effective strategy was applied for the preparation of stable apigenin nanosuspension by using an antisolvent method with PEG 400 as antisolvent to improve the solubility and bioavailability. It was found that the particle size of apigenin nanosuspension was about 280 nm, and the solubility and dissolution of the nanosuspension were 33 and 3 times higher than that of the apigenin, respectively. Pharmacokinetic study showed that the Cmax and AUC 0-8 h values of the nanosuspension in fasting rats achieved about 6- and 2.5-fold enhancement than that of the apigenin, respectively. Stability test showed that the apigenin nanosuspension could be stored stably for 12 months at 25℃. Taken together, the antisolvent method with PEG 400 was proven to be a green and effective method to prepare the stable nanosuspension of poorly soluble drugs.
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Evidence for the existence of powder sub-populations in micronized materials: aerodynamic size-fractions of aerosolized powders possess distinct physicochemical properties. Pharm Res 2015; 31:3251-64. [PMID: 25015552 PMCID: PMC4224749 DOI: 10.1007/s11095-014-1414-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 05/06/2014] [Indexed: 11/29/2022]
Abstract
Purpose To investigate the agglomeration behaviour of the fine (<5.0 μm) and coarse (>12.8 μm) particle fractions of salmeterol xinafoate (SX) and fluticasone propionate (FP) by isolating aerodynamic size fractions and characterising their physicochemical and re-dispersal properties. Methods Aerodynamic fractionation was conducted using the Next Generation Impactor (NGI). Re-crystallized control particles, unfractionated and fractionated materials were characterized for particle size, morphology, crystallinity and surface energy. Re-dispersal of the particles was assessed using dry dispersion laser diffraction and NGI analysis. Results Aerosolized SX and FP particles deposited in the NGI as agglomerates of consistent particle/agglomerate morphology. SX particles depositing on Stages 3 and 5 had higher total surface energy than unfractionated SX, with Stage 5 particles showing the greatest surface energy heterogeneity. FP fractions had comparable surface energy distributions and bulk crystallinity but differences in surface chemistry. SX fractions demonstrated higher bulk disorder than unfractionated and re-crystallized particles. Upon aerosolization, the fractions differed in their intrinsic emission and dispersion into a fine particle fraction (<5.0 μm). Conclusions Micronized powders consisted of sub-populations of particles displaying distinct physicochemical and powder dispersal properties compared to the unfractionated bulk material. This may have implications for the efficiency of inhaled drug delivery.
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Murnane D, Martin GP, Marriott C. Dry powder formulations for inhalation of fluticasone propionate and salmeterol xinafoate microcrystals. J Pharm Sci 2009; 98:503-15. [PMID: 18506819 DOI: 10.1002/jps.21450] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Direct crystallization of active pharmaceutical ingredient (API) particles in the inhalable size range of 1-6 microm may overcome surface energization resulting from micronization. The aerosolization of fluticasone propionate (FP) and salmeterol xinafoate (SX) microcrystals produced by aqueous crystallization from poly(ethylene glycol) solutions was investigated using a twin stage impinger following blending with lactose. Fine particle fractions from SX formulations ranged from 15.98 +/- 2.20% from SX crystallized from PEG 6000 to 26.26 +/- 1.51% for SX crystallized from PEG 400. The FPF of microcrystal formulations increased as the particle size of microcrystals was increased. The aerosolization of SX from DPI blends was equivalent for the microcrystals and the micronized material. FP microcrystals, which had a needlelike morphology, produced similar FPFs (PEG 400: 17.15 +/- 0.68% and PEG 6000: 15.46 +/- 0.97%) to micronized FP (mFP; 14.21 +/- 0.54). The highest FPF (25.66 +/- 1.51%) resulted from the formulation of FP microcrystals with the largest median diameter (FP PEG 400B: 6.14 +/- 0.17 microm). Microcrystallization of SX and FP from PEG solvents offers the potential for improving control of particulate solid state properties and was shown to represent a viable alternative to micronization for the production of particles for inclusion in dry powder inhalation formulations.
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Affiliation(s)
- Darragh Murnane
- King's College London, Drug Delivery Research Group, Pharmaceutical Science Division, London, United Kingdom
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