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Bonaccorso A, Ortis A, Musumeci T, Carbone C, Hussain M, Di Salvatore V, Battiato S, Pappalardo F, Pignatello R. Nose-to-Brain Drug Delivery and Physico-Chemical Properties of Nanosystems: Analysis and Correlation Studies of Data from Scientific Literature. Int J Nanomedicine 2024; 19:5619-5636. [PMID: 38882536 PMCID: PMC11179666 DOI: 10.2147/ijn.s452316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/12/2024] [Indexed: 06/18/2024] Open
Abstract
Background In the last few decades, nose-to-brain delivery has been investigated as an alternative route to deliver molecules to the Central Nervous System (CNS), bypassing the Blood-Brain Barrier. The use of nanotechnological carriers to promote drug transfer via this route has been widely explored. The exact mechanisms of transport remain unclear because different pathways (systemic or axonal) may be involved. Despite the large number of studies in this field, various aspects still need to be addressed. For example, what physicochemical properties should a suitable carrier possess in order to achieve this goal? To determine the correlation between carrier features (eg, particle size and surface charge) and drug targeting efficiency percentage (DTE%) and direct transport percentage (DTP%), correlation studies were performed using machine learning. Methods Detailed analysis of the literature from 2010 to 2021 was performed on Pubmed in order to build "NANOSE" database. Regression analyses have been applied to exploit machine-learning technology. Results A total of 64 research articles were considered for building the NANOSE database (102 formulations). Particle-based formulations were characterized by an average size between 150-200 nm and presented a negative zeta potential (ZP) from -10 to -25 mV. The most general-purpose model for the regression of DTP/DTE values is represented by Decision Tree regression, followed by K-Nearest Neighbors Regressor (KNeighbor regression). Conclusion A literature review revealed that nose-to-brain delivery has been widely investigated in neurodegenerative diseases. Correlation studies between the physicochemical properties of nanosystems (mean size and ZP) and DTE/DTP parameters suggest that ZP may be more significant than particle size for DTP/DTE predictability.
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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, 95125, Italy
| | - Alessandro Ortis
- Department of Mathematics and Computer Science, University of Catania, Catania, 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, 95125, Italy
| | - Claudia Carbone
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
- NANOMED–Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Catania, 95125, Italy
| | - Mazhar Hussain
- Department of Mathematics and Computer Science, University of Catania, Catania, Italy
| | | | - Sebastiano Battiato
- Department of Mathematics and Computer Science, University of Catania, Catania, Italy
| | - Francesco Pappalardo
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
- NANOMED–Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Catania, 95125, Italy
| | - Rosario Pignatello
- Department of Drug and Health Sciences, University of Catania, Catania, Italy
- NANOMED–Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Catania, 95125, Italy
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Zingale E, Bonaccorso A, D’Amico AG, Lombardo R, D’Agata V, Rautio J, Pignatello R. Formulating Resveratrol and Melatonin Self-Nanoemulsifying Drug Delivery Systems (SNEDDS) for Ocular Administration Using Design of Experiments. Pharmaceutics 2024; 16:125. [PMID: 38258134 PMCID: PMC10819881 DOI: 10.3390/pharmaceutics16010125] [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: 11/29/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
Recent studies have demonstrated that Sirtuin-1 (SIRT-1)-activating molecules exert a protective role in degenerative ocular diseases. However, these molecules hardly reach the back of the eye due to poor solubility in aqueous environments and low bioavailability after topical application on the eye's surface. Such hindrances, combined with stability issues, call for the need for innovative delivery strategies. Within this context, the development of self-nanoemulsifying drug delivery systems (SNEDDS) for SIRT-1 delivery can represent a promising approach. The aim of the work was to design and optimize SNEDDS for the ocular delivery of two natural SIRT-1 agonists, resveratrol (RSV) and melatonin (MEL), with potential implications for treating diabetic retinopathy. Pre-formulation studies were performed by a Design of Experiment (DoE) approach to construct the ternary phase diagram. The optimization phase was carried out using Response Surface Methodology (RSM). Four types of SNEDDS consisting of different surfactants (Tween® 80, Tween® 20, Solutol® HS15, and Cremophor® EL) were optimized to achieve the best physico-chemical parameters for ocular application. Stability tests indicated that SNEDDS produced with Tween® 80 was the formulation that best preserved the stability of molecules, and so it was, therefore, selected for further technological studies. The optimized formulation was prepared with Capryol® PGMC, Tween® 80, and Transcutol® P and loaded with RSV or MEL. The SNEDDS were evaluated for other parameters, such as the mean size (found to be ˂50 nm), size homogeneity (PDI < 0.2), emulsion time (around 40 s), transparency, drug content (>90%), mucoadhesion strength, in vitro drug release, pH and osmolarity, stability to dilution, and cloud point. Finally, an in vitro evaluation was performed on a rabbit corneal epithelial cell line (SIRC) to assess their cytocompatibility. The overall results suggest that SNEDDS can be used as promising nanocarriers for the ocular drug delivery of RSV and MEL.
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Affiliation(s)
- Elide Zingale
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (E.Z.); (A.B.); (R.L.)
- NANOMED—Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Angela Bonaccorso
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (E.Z.); (A.B.); (R.L.)
- NANOMED—Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
| | - Agata Grazia D’Amico
- Department of Drug and Health Sciences, Section of Systems Biology, University of Catania, Viale A. Doria 6, 95125 Catania, Italy;
| | - Rosamaria Lombardo
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (E.Z.); (A.B.); (R.L.)
| | - Velia D’Agata
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Sciences, University of Catania, 95100 Catania, Italy;
| | - Jarkko Rautio
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1C, 70210 Kuopio, Finland;
| | - Rosario Pignatello
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy; (E.Z.); (A.B.); (R.L.)
- NANOMED—Research Centre for Nanomedicine and Pharmaceutical Nanotechnology, Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy
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Huang Q, Chen X, Yu S, Gong G, Shu H. Research progress in brain-targeted nasal drug delivery. Front Aging Neurosci 2024; 15:1341295. [PMID: 38298925 PMCID: PMC10828028 DOI: 10.3389/fnagi.2023.1341295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/22/2023] [Indexed: 02/02/2024] Open
Abstract
The unique anatomical and physiological connections between the nasal cavity and brain provide a pathway for bypassing the blood-brain barrier to allow for direct brain-targeted drug delivery through nasal administration. There are several advantages of nasal administration compared with other routes; for example, the first-pass effect that leads to the metabolism of orally administered drugs can be bypassed, and the poor compliance associated with injections can be minimized. Nasal administration can also help maximize brain-targeted drug delivery, allowing for high pharmacological activity at lower drug dosages, thereby minimizing the likelihood of adverse effects and providing a highly promising drug delivery pathway for the treatment of central nervous system diseases. The aim of this review article was to briefly describe the physiological structures of the nasal cavity and brain, the pathways through which drugs can enter the brain through the nose, the factors affecting brain-targeted nasal drug delivery, methods to improve brain-targeted nasal drug delivery systems through the application of related biomaterials, common experimental methods used in intranasal drug delivery research, and the current limitations of such approaches, providing a solid foundation for further in-depth research on intranasal brain-targeted drug delivery systems (see Graphical Abstract).
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Affiliation(s)
- Qingqing Huang
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, China
- College of Medicine, Southwest Jiaotong University, Chengdu, China
| | - Xin Chen
- Department of Neurosurgery, The General Hospital of Western Theater Command, Chengdu, China
| | - Sixun Yu
- Department of Neurosurgery, The General Hospital of Western Theater Command, Chengdu, China
| | - Gu Gong
- Department of Anesthesiology, The General Hospital of Western Theater Command, Chengdu, China
| | - Haifeng Shu
- College of Medicine, Southwest Jiaotong University, Chengdu, China
- Department of Neurosurgery, The General Hospital of Western Theater Command, Chengdu, China
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Lombardo R, Ruponen M, Rautio J, Ghelardini C, Di Cesare Mannelli L, Calosi L, Bani D, Lampinen R, Kanninen KM, Koivisto AM, Penttilä E, Löppönen H, Pignatello R. Development of Lyophilised Eudragit ® Retard Nanoparticles for the Sustained Release of Clozapine via Intranasal Administration. Pharmaceutics 2023; 15:pharmaceutics15051554. [PMID: 37242796 DOI: 10.3390/pharmaceutics15051554] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/12/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Clozapine (CZP) is the only effective drug in schizophrenia resistant to typical antipsychotics. However, existing dosage forms (oral or orodispersible tablets, suspensions or intramuscular injection) show challenging limitations. After oral administration, CZP has low bioavailability due to a large first-pass effect, while the i.m. route is often painful, with low patient compliance and requiring specialised personnel. Moreover, CZP has a very low aqueous solubility. This study proposes the intranasal route as an alternative route of administration for CZP, through its encapsulation in polymeric nanoparticles (NPs) based on Eudragit® RS100 and RL100 copolymers. Slow-release polymeric NPs with dimensions around 400-500 nm were formulated to reside and release CZP in the nasal cavity, where it can be absorbed through the nasal mucosa and reach the systemic circulation. CZP-EUD-NPs showed a controlled release of CZP for up to 8 h. Furthermore, to reduce mucociliary clearance and increase the residence time of NPs in the nasal cavity to improve drug bioavailability, mucoadhesive NPs were formulated. This study shows that the NPs already exhibited strong electrostatic interactions with mucin at time zero due to the presence of the positive charge of the used copolymers. Furthermore, to improve the solubility, diffusion and adsorption of CZPs and the storage stability of the formulation, it was lyophilised using 5% (w/v) HP-β-CD as a cryoprotectant. It ensured the preservation of the NPs' size, PDI and charge upon reconstitution. Moreover, physicochemical characterisation studies of solid-state NPs were performed. Finally, toxicity studies were performed in vitro on MDCKII cells and primary human olfactory mucosa cells and in vivo on the nasal mucosa of CD-1 mice. The latter showed non-toxicity of B-EUD-NPs and mild CZP-EUD-NP-induced tissue abnormalities.
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Affiliation(s)
- Rosamaria Lombardo
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Marika Ruponen
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1C, 70210 Kuopio, Finland
| | - Jarkko Rautio
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1C, 70210 Kuopio, Finland
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA)-Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA)-Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy
| | - Laura Calosi
- Platform of Imaging, Department of Experimental & Clinical Medicine, University of Florence, 50139 Florence, Italy
| | - Daniele Bani
- Platform of Imaging, Department of Experimental & Clinical Medicine, University of Florence, 50139 Florence, Italy
| | - Riikka Lampinen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Katja M Kanninen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Anne M Koivisto
- Brain Research Unit, Department of Neurology, School of Medicine, University of Eastern Finland, 70200 Kuopio, Finland
- Department of Neurology, Neuro Centre, Kuopio University Hospital, 70210 Kuopio, Finland
- Department of Neurology and Geriatrics, Helsinki University Hospital and Neurosciences, Faculty of Medcine, University of Helsinki, 00290 Helsinki, Finland
| | - Elina Penttilä
- Department of Otorhinolaryngology, University of Eastern Finland, Kuopio University Hospital, 70210 Kuopio, Finland
| | - Heikki Löppönen
- Department of Otorhinolaryngology, University of Eastern Finland, Kuopio University Hospital, 70210 Kuopio, Finland
| | - Rosario Pignatello
- Laboratory of Drug Delivery Technology, Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- NANOMED-Research Centre on Nanomedicine and Pharmaceutical Nanotechnology, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
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