1
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Faran SA, Hussain T, Khalid SH, Khan IU, Asif M, Ahmad J, Rehman A, Asghar S. Bile acid/fatty acid integrated nanoemulsomes for nonalcoholic fatty liver targeted lovastatin delivery: stability, in-vitro, ex-vivo, and in-vivo analyses. Expert Opin Drug Deliv 2024; 21:779-796. [PMID: 38795359 DOI: 10.1080/17425247.2024.2361117] [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: 12/27/2023] [Accepted: 04/30/2024] [Indexed: 05/27/2024]
Abstract
BACKGROUND Controlled and targeted drug delivery to treat nonalcoholic fatty liver disease (NAFLD) can benefit from additive attributes of natural formulation ingredients incorporated into the drug delivery vehicles. METHODS Lovastatin (LVN) loaded, bile acid (BA) and fatty acid (FA) integrated nanoemulsomes (NES) were formulated by thin layer hydration technique for synergistic and targeted delivery of LVN to treat NAFLD. Organic phase NES was comprised of stearic acid with garlic (GL) and ginger (GR) oils, separately. Ursodeoxycholic acid and linoleic acid were individually incorporated as targeting moieties. RESULTS Stability studies over 90 days showed average NES particle size, surface charge, polydispersity index, and entrapment efficiency values of 270 ± 27.4 nm, -23.8 ± 3.5 mV, 0.2 ± 0.04 and 81.36 ± 3.4%, respectively. Spherical NES were observed under a transmission electron microscope. In-vitro LVN release depicted non-fickian release mechanisms from GL and GR oils-based NES. Ex-vivo permeation of BA/FA integrated NES through isolated rat intestines showed greater flux than non-integrated ones. CONCLUSION Liver histopathology of experimental rats together with in-vivo lipid profiles and liver function tests illustrated that these NES possess the clinical potential to be promising drug carriers for NAFLD.
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Affiliation(s)
- Syed Ali Faran
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
- Ocular Therapeutics Research Group, Pharmaceutical and Molecular Biotechnology Research Centre, Department of Science, Waterford Campus, South East Technological University (SETU), Waterford, Ireland
| | - Tanveer Hussain
- Faculty of Engineering and Technology, National Textile University, Faisalabad, Pakistan
| | - Syed Haroon Khalid
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ikram Ullah Khan
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Asif
- Department of Pharmacology, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Junaid Ahmad
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Abdul Rehman
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Sajid Asghar
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
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2
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Zielińska A, da Ana R, Fonseca J, Szalata M, Wielgus K, Fathi F, Oliveira MBPP, Staszewski R, Karczewski J, Souto EB. Phytocannabinoids: Chromatographic Screening of Cannabinoids and Loading into Lipid Nanoparticles. Molecules 2023; 28:molecules28062875. [PMID: 36985847 PMCID: PMC10058297 DOI: 10.3390/molecules28062875] [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: 02/16/2023] [Revised: 03/13/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Solid Lipid Nanoparticles (SLN) and Nanostructured Lipid Carriers (NLC) are receiving increasing interest as an approach to encapsulate natural extracts to increase the physicochemical stability of bioactives. Cannabis extract-derived cannabidiol (CBD) has potent therapeutic properties, including anti-inflammatory, antioxidant, and neuroprotective properties. In this work, physicochemical characterization was carried out after producing Compritol-based nanoparticles (cSLN or cNLC) loaded with CBD. Then, the determination of the encapsulation efficiency (EE), loading capacity (LC), particle size (Z-Ave), polydispersity index (PDI), and zeta potential were performed. Additionally, the viscoelastic profiles and differential scanning calorimetry (DSC) patterns were recorded. As a result, CBD-loaded SLN showed a mean particle size of 217.2 ± 6.5 nm, PDI of 0.273 ± 0.023, and EE of about 74%, while CBD-loaded NLC showed Z-Ave of 158.3 ± 6.6 nm, PDI of 0.325 ± 0.016, and EE of about 70%. The rheological analysis showed that the loss modulus for both lipid nanoparticle formulations was higher than the storage modulus over the applied frequency range of 10 Hz, demonstrating that they are more elastic than viscous. The crystallinity profiles of both CBD-cSLN (90.41%) and CBD-cNLC (40.18%) were determined. It may justify the obtained encapsulation parameters while corroborating the liquid-like character demonstrated in the rheological analysis. Scanning electron microscopy (SEM) study confirmed the morphology and shape of the developed nanoparticles. The work has proven that the solid nature and morphology of cSLN/cNLC strengthen these particles' potential to modify the CBD delivery profile for several biomedical applications.
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Affiliation(s)
- Aleksandra Zielińska
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszyńska 32, 60-479 Poznan, Poland
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Raquel da Ana
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Joel Fonseca
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Milena Szalata
- Department of Biotechnology, Institute of Natural Fibres and Medicinal Plants, National Research Institute, Wojska Polskiego 71B, 60-630 Poznan, Poland
| | - Karolina Wielgus
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznan, Poland
| | - Faezeh Fathi
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal
| | - M Beatriz P P Oliveira
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal
| | - Rafał Staszewski
- Department of Hypertension Angiology and Internal Medicine, Poznan University of Medical Sciences, 61-701 Poznan, Poland
| | - Jacek Karczewski
- Department of Environmental Medicine, Poznan University of Medical Sciences, 61-701 Poznan, Poland
- Department of Gastroenterology, Dietetics and Internal Diseases, H. Swiecicki University Hospital, Poznan University of Medical Sciences, 60-355 Poznan, Poland
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- REQUIMTE/UCIBIO, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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3
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Pteroyl-γ-l-glutamate/Pluronic® F68 modified polymeric micelles loaded with docetaxel for targeted delivery and reduced toxicity. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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4
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Preparation, Characterization and Pharmacokinetics of Tolfenamic Acid-Loaded Solid Lipid Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14091929. [PMID: 36145677 PMCID: PMC9503184 DOI: 10.3390/pharmaceutics14091929] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/26/2022] Open
Abstract
The clinical use of nonsteroidal anti-inflammatory drugs is limited by their poor water solubility, unstable absorption, and low bioavailability. Solid lipid nanoparticles (SLNs) exhibit high biocompatibility and the ability to improve the bioavailability of drugs with low water solubility. Therefore, in this study, a tolfenamic acid solid lipid nanoparticle (TA-SLN) suspension was prepared by a hot melt–emulsification ultrasonication method to improve the sustained release and bioavailability of TA. The encapsulation efficiency (EE), loading capacity (LC), particle size, polydispersity index (PDI), and zeta potential of the TA-SLN suspension were 82.50 ± 0.63%, 25.13 ± 0.28%, 492 ± 6.51 nm, 0.309 ± 0.02 and −21.7 ± 0.51 mV, respectively. The TA-SLN suspension was characterized by dynamic light scattering (DLS), fluorescence microscopy (FM), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and Fourier transform infrared (FT-IR) spectroscopy. The TA-SLN suspension showed improved sustained drug release in vitro compared with the commercially available TA injection. After intramuscular administration to pigs (4 mg/kg), the TA-SLN suspension displayed increases in the pharmacokinetic parameters Tmax, T1/2, and MRT0–∞ by 4.39-, 3.78-, and 3.78-fold, respectively, compared with TA injection, and showed a relative bioavailability of 185.33%. Thus, this prepared solid lipid nanosuspension is a promising new formulation.
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5
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Formulation design, production and characterisation of solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) for the encapsulation of a model hydrophobic active. FOOD HYDROCOLLOIDS FOR HEALTH 2022; 1:None. [PMID: 35028634 PMCID: PMC8721956 DOI: 10.1016/j.fhfh.2021.100024] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/05/2021] [Accepted: 08/20/2021] [Indexed: 01/02/2023]
Abstract
Lipid materials were chosen based on theoretical and experimental lipid screening. SLNs and NLCs with high curcumin loading were produced using the selected lipids. Nano-sized lipid particles fabricated by tuning the processing parameters. Lipid matrix component compatibility affects thermal properties as shown by DSC. Formation of distinct lipid structures in liquid lipid concentration-dependent manner.
Lipid nanoparticles have been widely investigated for their use as either carriers for poorly water soluble actives or as (Pickering) emulsion stabilisers. Recent studies have suggested that the fabrication of lipid nanostructures that can display both these performances concurrently, can enable the development of liquid formulations for multi-active encapsulation and release. Understanding the effects of different formulation variables on the microstructural attributes that underline both these functionalities is crucial in developing such lipid nanostructures. In this study, two types of lipid-based nanoparticles, solid lipid nanoparticles and nanostructured lipid carriers, were fabricated using varying formulation parameters, namely type of solid lipid, concentration of liquid lipid and type/concentration of surface active species. The impact of these formulation parameters on the size, thermal properties, encapsulation efficiency, loading capacity and long-term storage stability of the developed lipid systems, was studied. Preliminary lipid screening and processing conditions studies, focused on creating a suitable lipid host matrix of appropriate dimensions that could enable the high loading of a model hydrophobic active (curcumin). Informed by this, selected lipid nanostructures were then produced. These were characterised by encapsulation efficiency and loading capacity values as high as 99% and 5%, respectively, and particle dimensions within the desirable size range (100-200 nm) required to enable Pickering functionality. Compatibility between the lipid matrix components, and liquid lipid/active addition were shown to greatly influence the polymorphism/crystallinity of the fabricated particles, with the latter demonstrating a liquid lipid concentration-dependent behaviour. Successful long-term storage stability of up to 28 weeks was confirmed for certain formulations.
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6
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López-Iglesias C, López ER, Fernández J, Landin M, García-González CA. Modeling of the Production of Lipid Microparticles Using PGSS ® Technique. Molecules 2020; 25:molecules25214927. [PMID: 33114452 PMCID: PMC7663659 DOI: 10.3390/molecules25214927] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/16/2020] [Accepted: 10/23/2020] [Indexed: 11/16/2022] Open
Abstract
Solid lipid microparticles (SLMPs) are attractive carriers as delivery systems as they are stable, easy to manufacture and can provide controlled release of bioactive agents and increase their efficacy and/or safety. Particles from Gas-Saturated Solutions (PGSS®) technique is a solvent-free technology to produce SLMPs, which involves the use of supercritical CO2 (scCO2) at mild pressures and temperatures for the melting of lipids and atomization into particles. The determination of the key processing variables is crucial in PGSS® technique to obtain reliable and reproducible microparticles, therefore the modelling of SLMPs production process and variables control are of great interest to obtain quality therapeutic systems. In this work, the melting point depression of a commercial lipid (glyceryl monostearate, GMS) under compressed CO2 was studied using view cell experiments. Based on an unconstrained D-optimal design for three variables (nozzle diameter, temperature and pressure), SLMPs were produced using the PGSS® technique. The yield of production was registered and the particles characterized in terms of particle size distribution. Variable modeling was carried out using artificial neural networks and fuzzy logic integrated into neurofuzzy software. Modeling results highlight the main effect of temperature to tune the mean diameter SLMPs, whereas the pressure-nozzle diameter interaction is the main responsible in the SLMPs size distribution and in the PGSS® production yield.
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Affiliation(s)
- Clara López-Iglesias
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I+D Farma group (GI-1645), Faculty of Pharmacy, Agrupación Estratégica de Materiales (AeMAT) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Correspondence: (C.L.-I.); (C.A.G.-G.); Tel.: +34-881-814-882 (C.L.-I. & C.A.G.-G.)
| | - Enriqueta R. López
- Laboratorio de Propiedades Termofísicas, Grupo NaFoMat, Departamento de Física Aplicada, Facultad de Física, Agrupación Estratégica de Materiales (AeMAT), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (E.R.L.); (J.F.)
| | - Josefa Fernández
- Laboratorio de Propiedades Termofísicas, Grupo NaFoMat, Departamento de Física Aplicada, Facultad de Física, Agrupación Estratégica de Materiales (AeMAT), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain; (E.R.L.); (J.F.)
| | - Mariana Landin
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I+D Farma group (GI-1645), Faculty of Pharmacy, Agrupación Estratégica de Materiales (AeMAT) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
| | - Carlos A. García-González
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I+D Farma group (GI-1645), Faculty of Pharmacy, Agrupación Estratégica de Materiales (AeMAT) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;
- Correspondence: (C.L.-I.); (C.A.G.-G.); Tel.: +34-881-814-882 (C.L.-I. & C.A.G.-G.)
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7
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Zielińska A, Ferreira NR, Feliczak-Guzik A, Nowak I, Souto EB. Loading, release profile and accelerated stability assessment of monoterpenes-loaded solid lipid nanoparticles (SLN). Pharm Dev Technol 2020; 25:832-844. [PMID: 32204628 DOI: 10.1080/10837450.2020.1744008] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Glycerol monostearate solid lipid nanoparticles (SLN) were produced by hot high-pressure homogenization technique to load alpha-pinene, citral, geraniol or limonene. SLN were composed of 1 wt.% monoterpene, 4 wt.% of Imwitor® 900K as a solid lipid and 2.5 wt.% of Poloxamer188 as a surfactant. Empty SLN consisted of 5 wt.% of Imwitor® 900K and 2.5 wt.% of Poloxamer188. The mean particles size (Z-Ave) and polydispersity index (PDI) of SLN were analyzed by dynamic light scattering (DLS), while the zeta potential (ZP) of each formulation were measured by electrophoretic light scattering. LUMiSizer® was applied to calculate the velocity distribution in the centrifugal field and instability index. Drug release profile from SLN was analyzed using Franz cell diffusion cells assayed by UV-Vis spectrophotometry, whereas the gas chromatography technique was applied to determine the encapsulation parameters of volatile monoterpenes. The matrix state, polymorphism and phase behavior of SLN were studied by X-ray diffraction (XRD, low and wide angles) and differential scanning calorimetry (DSC). Selected monoterpenes were successfully loaded in glycerol monostearate SLN. A burst release profile within the first 15 min was observed for all formulations, being the modified release profile dependent on the type of monoterpene and on the encapsulation efficiency.
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Affiliation(s)
- Aleksandra Zielińska
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.,Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Nuno R Ferreira
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | | | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznan, Poland
| | - Eliana B Souto
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.,CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
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8
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Rathore C, Upadhyay N, Kaundal R, Dwivedi RP, Rahatekar S, John A, Dua K, Tambuwala MM, Jain S, Chaudari D, Negi P. Enhanced oral bioavailability and hepatoprotective activity of thymoquinone in the form of phospholipidic nano-constructs. Expert Opin Drug Deliv 2020; 17:237-253. [PMID: 32003249 DOI: 10.1080/17425247.2020.1716728] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Background: The poor biopharmaceutical properties of thymoquinone (TQ) obstruct its development as a hepatoprotective agent. To surmount the delivery challenges of TQ, phospholipid nanoconstructs (PNCs) were constructed.Method: PNCs were constructed employing microemulsification technique and systematic optimization by three-factor three level Box-Behnken design.Result: Optimized PNC composition exhibited nano size (<100 nm), spherical morphology, within acceptable range of polydispersity index (0.55), high drug entrapment efficiency (>90%), controlled drug release pattern, and neutral surface charge (zeta potential of -0.65 mV). After oral administration of a single dose of PNC, it showed a relative bioavailability of 386.03% vis-à-vis plain TQ suspension. Further, TQ-loaded PNC demonstrated significant enhanced hepato-protective effect vis-à-vis pure TQ suspension and silymarin, as evidenced by reduction in the ALP, ALT, AST, bilirubin, and albumin level and ratified by histopathological analysis.Conclusion: TQ-loaded PNCs can be efficient nano-platforms for the management of hepatic disorders and promising drug delivery systems to enhance oral bioavailability of this hydrophobic molecule.
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Affiliation(s)
- C Rathore
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, India
| | - N Upadhyay
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, India
| | - R Kaundal
- Icahn School of Medicine, Mount Sinai, Hospital and Healthcare, New York, NY, USA
| | - R P Dwivedi
- School of Electrical and Computer Science Engineering, Shoolini University of Biotechnology and Management Sciences, Solan, India
| | | | - A John
- Laboratory of Materials Science, Institute of Chemistry of Natural Resource, University of Talca, Talca, Chile
| | - K Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia.,School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, Newcastle, Australia
| | - Murtaza M Tambuwala
- School of Pharmacy & Pharmaceutical Sciences, Faculty of Life & Health Sciences, Ulster University, Coleraine, UK
| | - S Jain
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Centre for Pharmaceutical Nanotechnology, Punjab, India
| | - D Chaudari
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Centre for Pharmaceutical Nanotechnology, Punjab, India
| | - P Negi
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, India
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9
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Cherif NF, Constantino VRL, Hamdaoui O, Leroux F, Taviot-Guého C. New insights into two ciprofloxacin-intercalated arrangements for layered double hydroxide carrier materials. NEW J CHEM 2020. [DOI: 10.1039/d0nj00045k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Highly ciprofloxacin loaded layered double hydroxide.
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Affiliation(s)
- Nawal Fodil Cherif
- Institut de Chimie de Clermont-Ferrand
- UMR-CNRS 6296
- Université Clermont Auvergne
- 63171 Aubière
- France
| | | | - Oualid Hamdaoui
- Chemical Engineering Department
- College of Engineering
- King Saud University
- Riyadh 11421
- Saudi Arabia
| | - Fabrice Leroux
- Institut de Chimie de Clermont-Ferrand
- UMR-CNRS 6296
- Université Clermont Auvergne
- 63171 Aubière
- France
| | - Christine Taviot-Guého
- Institut de Chimie de Clermont-Ferrand
- UMR-CNRS 6296
- Université Clermont Auvergne
- 63171 Aubière
- France
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10
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Zielińska A, Ferreira NR, Durazzo A, Lucarini M, Cicero N, Mamouni SE, Silva AM, Nowak I, Santini A, Souto EB. Development and Optimization of Alpha-Pinene-Loaded Solid Lipid Nanoparticles (SLN) Using Experimental Factorial Design and Dispersion Analysis. Molecules 2019; 24:E2683. [PMID: 31344802 PMCID: PMC6696006 DOI: 10.3390/molecules24152683] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/16/2019] [Accepted: 07/23/2019] [Indexed: 11/20/2022] Open
Abstract
The encapsulation of bicyclic monoterpene α-pinene into solid lipid nanoparticles (SLN) is reported using experimental factorial design, followed by high-end dispersion analyzer LUMiSizer®. This equipment allows the characterization of the α-pinene-loaded SLN instability phenomena (e.g., sedimentation, flotation or coagulation), as well as the determination of the velocity distribution in the centrifugal field and the particle size distribution. In this work, SLN were produced by hot high-pressure homogenization technique. The influence of the independent variables, surfactant and lipid ratio on the physicochemical properties of SLN, such as mean particle size (Z-Ave), polydispersity index (PDI) and zeta potential (ZP), was estimated using a 22-factorial design. The Z-Ave and PDI were analyzed by dynamic light scattering, while ZP measurements were recorded by electrophoretic light scattering. Based on the obtained results, the optimal SLN dispersion was composed of 1 wt.% of α-pinene, 4 wt.% of solid lipid (Imwitor® 900 K) and 2.5 wt.% of surfactant (Poloxamer 188), depicting 136.7 nm of Z-Ave, 0.170 of PDI and 0 mV of ZP. Furthermore, LUMISizer® has been successfully used in the stability analysis of α-pinene-loaded SLN.
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Affiliation(s)
- Aleksandra Zielińska
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, 61-712 Poznań, Poland
| | - Nuno R Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Alessandra Durazzo
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy
| | - Massimo Lucarini
- CREA-Research Centre for Food and Nutrition, Via Ardeatina 546, 00178 Rome, Italy
| | - Nicola Cicero
- Dipartimento di Scienze biomediche, odontoiatriche e delle immagini morfologiche e funzionali, Università degli Studi di Messina, Polo Universitario Annunziata, 98168 Messina, Italy
| | - Soukaina El Mamouni
- Department of Pharmacy, University of Napoli Federico II, 80138 Napoli NA, Italy
| | - Amélia M Silva
- Department of Biology and Environment, University of Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, P-5001-801 Vila Real, Portugal
- Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro (UTAD), P-5001-801 Vila Real, Portugal
| | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, 61-712 Poznań, Poland
| | - Antonello Santini
- Department of Pharmacy, University of Napoli Federico II, 80138 Napoli NA, Italy.
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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11
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Debelec-Butuner B, Kotmakci M, Oner E, Ozduman G, Kantarci AG. Nutlin3a-Loaded Nanoparticles Show Enhanced Apoptotic Activity on Prostate Cancer Cells. Mol Biotechnol 2019; 61:489-497. [DOI: 10.1007/s12033-019-00178-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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12
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Bahrami MA, Farhadian N. Experimental study and mathematical modeling for encapsulation of fentanyl citrate drug in nanostructured lipid carrier. J Biomol Struct Dyn 2019; 38:1263-1271. [DOI: 10.1080/07391102.2019.1599732] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Mohammad Amin Bahrami
- Chemical Engineering Department Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, I. R. Iran
| | - Nafiseh Farhadian
- Chemical Engineering Department Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, I. R. Iran
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13
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Nnamani P, Ugwu A, Ibezim E, Onoja S, Odo A, Windbergs M, Rossi C, Lehr CM, Attama A. Preparation, characterisation and in vitro antibacterial property of ciprofloxacin-loaded nanostructured lipid carrier for treatment of Bacillus subtilis infection. J Microencapsul 2019; 36:32-42. [PMID: 30758259 DOI: 10.1080/02652048.2019.1582724] [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: 10/27/2022]
Abstract
Context: In this study, controlled ciprofloxacin (CIPRO) nanostrustructured lipid carriers of Precirol® ATO 5/Transcutol® HP (batch A) and tallow fat/Transcutol® HP (batch B) was carreid out. Objective: The aim was to improve solubility and bioavailability of CIPRO. Objective: Study of controlled ciprofloxacin (CIPRO) nanostructured lipid carriers of Precirol® ATO 5/Transcutol® HP (batch A) and tallow fat/Transcutol® HP (batch B). Methods: CIPRO concentrations C1-5 (0.0, 0.2, 0.5, 0.8, and 1.0% w/w) as AC1-5 and BC1-5 were prepared by hot homogenisation and characterised by zetasizer, differential scanning calorimetry, Fourier transform infra-red spectroscopy, in vitro drug release and growth inhibitory zone diameter (IZD) on agar-seeded Bacillus subtilis. Results: AC5 achieved polydispersed particles of ∼605 nm, 92% encapsulation efficiency (EE) and -28 mV similar to BC5 (∼789 nm, 91% EE, and -31 mV). Crystallinity indices (AC5 and BC5) were low at 3 and 5%, respectively. CIPRO release in AC5 was ∼98% in SGF (pH 1.2) and BC5 similarly ∼98% in SIF (pH 6.8). Conclusions: AC5 had superior growth inhibition of B. subtilis at lower concentration (1.2 µg/mL) than BC5 and CIPRO controls; hence could serve as possible sustained delivery system of CIPRO.
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Affiliation(s)
- Petra Nnamani
- a Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Drug Delivery and Nanomedicines Research Group , University of Nigeria , Nsukka , Nigeria.,d Department of Drug Delivery , Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Saarland University , Saarbrücken , Germany
| | - Agatha Ugwu
- a Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Drug Delivery and Nanomedicines Research Group , University of Nigeria , Nsukka , Nigeria
| | - Emmanuel Ibezim
- a Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Drug Delivery and Nanomedicines Research Group , University of Nigeria , Nsukka , Nigeria
| | - Simon Onoja
- b Department of Human Nutrition and Dietetics , University of Nigeria , Nsukka , Nigeria
| | - Amelia Odo
- c Department of Human Kinetics and Health Education , University of Nigeria , Nsukka , Nigeria
| | - Maike Windbergs
- d Department of Drug Delivery , Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Saarland University , Saarbrücken , Germany
| | - Chiara Rossi
- d Department of Drug Delivery , Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Saarland University , Saarbrücken , Germany
| | - Claus-Michael Lehr
- d Department of Drug Delivery , Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Saarland University , Saarbrücken , Germany.,e Helmholtz Centre for Infection Research (HZI), Saarland University , Saarbrücken , Germany
| | - Anthony Attama
- a Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Drug Delivery and Nanomedicines Research Group , University of Nigeria , Nsukka , Nigeria
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Zielińska A, Martins-Gomes C, Ferreira NR, Silva AM, Nowak I, Souto EB. Anti-inflammatory and anti-cancer activity of citral: Optimization of citral-loaded solid lipid nanoparticles (SLN) using experimental factorial design and LUMiSizer®. Int J Pharm 2018; 553:428-440. [PMID: 30385373 DOI: 10.1016/j.ijpharm.2018.10.065] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 10/14/2018] [Accepted: 10/28/2018] [Indexed: 12/01/2022]
Abstract
Essential oils containing monoterpenes are widely used in pharmaceuticals and cosmetic products on account of their wide range of bioactive properties (including anti-cancer activity). Two monoterpenes (citral and geraniol) were firstly tested for their anti-inflammatory activity in a RAW 264.7 cell line, demonstrating citral to have enhanced capacity to inhibit NO production (ca. 84% for citral and 52% for geraniol at the lowest tested concentration of 5 µg/ml). As citral showed higher NO inhibitory activity than geraniol, to measure the level of cytotoxicity of citral, AlamarBlue reduction assay was run in two cell models (non-tumoral HaCaT and tumoral A431). Citral exhibited a strong cytotoxic effect in both cell lines, i.e. cell viability lower that 10% after 24 h exposure at 100 µg/ml of monoterpene. An optimized solid lipid nanoparticles (SLNs) formulation for citral was further developed by design of experiments (22 factorial design), followed by accelerated stability testing (LUMiSizer®). An optimal SLN composed of 1 wt% of citral, 4 wt% of lipid and 2.5 wt% surfactant were successfully produced by hot high pressure homogenization (hot HPH) showing a mean particle size (Z-Ave) of 97.7 nm and polydispersity index of 0.249. The produced formulations were analyzed in a high-end dispersion analyzer LUMiSizer® to characterize any demixing phenomena, demonstrating to be long-term stable at room temperature (25 °C), exhibiting very low instability indices (0.032 after production and 0.042 after one month of storage).
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Affiliation(s)
- Aleksandra Zielińska
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poland
| | - Carlos Martins-Gomes
- Department of Biology and Environment, University of Trás-os Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal; Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Nuno R Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Amélia M Silva
- Department of Biology and Environment, University of Trás-os Montes e Alto Douro (UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal; Centre for Research and Technology of Agro-Environmental and Biological Sciences (CITAB-UTAD), Quinta de Prados, 5001-801 Vila Real, Portugal
| | - Izabela Nowak
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poland
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal.
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15
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Pereira I, Zielińska A, Ferreira NR, Silva AM, Souto EB. Optimization of linalool-loaded solid lipid nanoparticles using experimental factorial design and long-term stability studies with a new centrifugal sedimentation method. Int J Pharm 2018; 549:261-270. [PMID: 30075252 DOI: 10.1016/j.ijpharm.2018.07.068] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022]
Abstract
Linalool (C10H18O), also known as 3, 7-dimethyl-1, 6-octadien-3-ol, is the most common acyclic monoterpene tertiary alcohol present in essential oils of several aromatic plant species. Previous studies indicate that linalool is a valuable compound with a wide range of therapeutic properties. The promising therapeutic effects of linalool are however limited by its poor water solubility and volatility. Recently, the encapsulation of linalool in drug delivery systems, such as solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) has demonstrated to overcome linalool physicochemical limitations. The present study aimed the production and optimization of linalool encapsulation in SLN applying the experimental full factorial design. The estimation of the long-term stability of the produced linalool-loaded SLN was carried out using a new centrifugal sedimentation method, LUMiSizer®. SLN dispersions were produced by the hot high pressure homogenization (HPH) method. The influence of the independent variables, surfactant and lipid concentrations on linalool-loaded SLN particle size, polydispersity index (PI) and zeta potential (ZP) was evaluated by a 22 factorial design composed of 2 variables which were set at 2-levels each. For each of the three dependent variables, analysis of the variance (ANOVA) was performed using a 95% confidence interval. The concentration of surfactant, as well as, the interaction between the different concentrations of lipid and surfactant, hada statistically significant effect on the particle size and PI. Experimental factorial design has been successfully employed to develop an optimal SLN dispersion, requiring a minimum of performed experiments. Based on the obtained results, the optimal linalool-loaded SLN dispersion was composed of 1% (w/v) linalool 2% (w/v) of solid lipid and 5% (w/v) of surfactant. Furthermore, the stability analysis revealed that the produced linalool-loaded SLN dispersions have limited storage stability which can be easily overcome through the assembly of a polymeric coating on the SLN surface. LUMiSizer® has been successfully used in the kinetic analysis of linalool-SLN during accelerated storage time.
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Affiliation(s)
- Irina Pereira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; Department of Biology and Environment, School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Aleksandra Zielińska
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; Faculty of Chemistry, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Nuno R Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; CQ Pharma, (FFUC), Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Amélia M Silva
- Department of Biology and Environment, School of Life and Environmental Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Portugal.
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16
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Jankovic S, Tsakiridou G, Ditzinger F, Koehl NJ, Price DJ, Ilie AR, Kalantzi L, Kimpe K, Holm R, Nair A, Griffin B, Saal C, Kuentz M. Application of the solubility parameter concept to assist with oral delivery of poorly water-soluble drugs – a PEARRL review. J Pharm Pharmacol 2018; 71:441-463. [DOI: 10.1111/jphp.12948] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 05/28/2018] [Indexed: 01/29/2023]
Abstract
Abstract
Objectives
Solubility parameters have been used for decades in various scientific fields including pharmaceutics. It is, however, still a field of active research both on a conceptual and experimental level. This work addresses the need to review solubility parameter applications in pharmaceutics of poorly water-soluble drugs.
Key findings
An overview of the different experimental and calculation methods to determine solubility parameters is provided, which covers from classical to modern approaches. In the pharmaceutical field, solubility parameters are primarily used to guide organic solvent selection, cocrystals and salt screening, lipid-based delivery, solid dispersions and nano- or microparticulate drug delivery systems. Solubility parameters have been applied for a quantitative assessment of mixtures, or they are simply used to rank excipients for a given drug.
Summary
In particular, partial solubility parameters hold great promise for aiding the development of poorly soluble drug delivery systems. This is particularly true in early-stage development, where compound availability and resources are limited. The experimental determination of solubility parameters has its merits despite being rather labour-intensive because further data can be used to continuously improve in silico predictions. Such improvements will ensure that solubility parameters will also in future guide scientists in finding suitable drug formulations.
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Affiliation(s)
- Sandra Jankovic
- Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland
| | - Georgia Tsakiridou
- Pharmathen SA, Product Design & Evaluation, Athens, Greece
- Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Felix Ditzinger
- Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland
| | - Niklas J Koehl
- School of Pharmacy, University College Cork, Cork, Ireland
| | - Daniel J Price
- Merck Group, Molecule Characterisation, Darmstadt, Germany
- Goethe University, Frankfurt, Germany
| | - Alexandra-Roxana Ilie
- School of Pharmacy, University College Cork, Cork, Ireland
- Drug Product Development, Janssen Research and Development, Johnson & Johnson, Beerse, Belgium
| | - Lida Kalantzi
- Pharmathen SA, Product Design & Evaluation, Athens, Greece
| | - Kristof Kimpe
- Pharmaceutical Sciences, Janssen Research and Development, Johnson & Johnson, Beerse, Belgium
| | - René Holm
- Drug Product Development, Janssen Research and Development, Johnson & Johnson, Beerse, Belgium
| | - Anita Nair
- Merck Group, Molecule Characterisation, Darmstadt, Germany
| | | | - Christoph Saal
- Merck Group, Molecule Characterisation, Darmstadt, Germany
| | - Martin Kuentz
- Institute of Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Muttenz, Switzerland
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17
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Silva DM, Paleco R, Traini D, Sencadas V. Development of ciprofloxacin-loaded poly(vinyl alcohol) dry powder formulations for lung delivery. Int J Pharm 2018; 547:114-121. [PMID: 29803795 DOI: 10.1016/j.ijpharm.2018.05.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/22/2018] [Accepted: 05/23/2018] [Indexed: 11/19/2022]
Abstract
Polymeric microparticles are micro carriers for the sustained drug delivery of drugs in the lungs, used as alternatives to the use of established excipients. This study aims to develop and characterize inhalable ciprofloxacin (CPx)-loaded poly(vinyl alcohol) (PVA) microparticles by a single-step spray-drying procedure. The optimization of the processing parameters was achieved by an orthogonal design of the most relevant processing parameters (polymer concentration, feed rate and inlet temperature). The obtained spray-dried particles showed a drug encapsulation efficiency higher than 90%. Furthermore, PVA-CPx formulations, with drug contents up to 10 wt%, showed a morphology and size suitable for inhalation, with a sustained release profile over 24 h. Data from Fourier transformed infra-red spectroscopy and differential scanning calorimetry indicated absence of interaction between the polymer matrix and the drug. Aerodynamic assessment of PVA-CPx 10 wt% was determined by the next generation impactor (NGI), using spray-dried CPx as a control. The results showed improved values of mass median aerodynamic diameter (5.06±0.10μm) and a fine particle fraction (39.78±0.98%) when comparing with the CPx alone (5.33±0.39μm and 30.43±1.38%). This study highlights the potential of spray-dried PVA microparticles as drug carriers for lung local delivery of antibiotics.
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Affiliation(s)
- Dina M Silva
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia.
| | - Roberto Paleco
- Respiratory Technology, Woolcock Institute of Medical Research, Faculty of Medicine and Health, The University of Sydney, Australia
| | - Daniela Traini
- Respiratory Technology, Woolcock Institute of Medical Research, Faculty of Medicine and Health, The University of Sydney, Australia
| | - Vitor Sencadas
- School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW 2522, Australia; ARC Center of Excellence for Electromaterials Science, University of Wollongong, 2522 NSW, Australia.
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18
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Pignatello R, Leonardi A, Fuochi V, Petronio Petronio G, Greco AS, Furneri PM. A Method for Efficient Loading of Ciprofloxacin Hydrochloride in Cationic Solid Lipid Nanoparticles: Formulation and Microbiological Evaluation. NANOMATERIALS 2018; 8:nano8050304. [PMID: 29734771 PMCID: PMC5977318 DOI: 10.3390/nano8050304] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/09/2018] [Accepted: 05/02/2018] [Indexed: 11/16/2022]
Abstract
The aim of the study was the production of solid lipid nanoparticles (SLN) loaded with ciprofloxacin (CIP) through two different production techniques, quasi-emulsion solvent diffusion (QESD) and solvent injection (SI). In order to efficaciously entrap the commercial salt form (hydrochloride) of the antibiotic in these lipid systems, a conversion of CIP hydrochloride to the free base was realized in situ, through the addition of triethylamine. To ensure physical stability to the carriers over time and ameliorate the interaction with bacterial cell membranes, positively charged SLN were produced by addition of the cationic lipid didecyldimethylammonium bromide (DDAB). Homogeneous SLN populations with a mean particle sizes of 250–350 nm were produced by both methods; drug encapsulation was over 85% for most samples. The SLN were physically stable for up to nine months both at 4 °C and 25 °C, although the former condition appears more suitable to guarantee the maintenance of the initial particle size distribution. As expected, CIP encapsulation efficiency underwent a slight reduction after nine months of storage, although the initial high drug content values would ensure a residual concentration of the antibiotic in the SLN still appropriate to exert an acceptable antibacterial activity. Selected SLN formulations were subjected to an in vitro microbiological assay against different bacterial strains, to verify the effect of nanoencapsulation on the cell growth inhibitory activity of CIP. In general, CIP-SLN produced without DDAB showed MIC values for CIP comparable to those of the free drug. Conversely, addition of increasing percentages of the cationic lipid, reflected by a progressive increase of the positive value of the Zeta potential, showed a variety of MIC values against the various bacterial strains, but with values 2–4 order of dilution lower than free CIP. An hypothesis of the effect of the cationic lipid upon the increased antibacterial activity of CIP in the nanocarriers is also formulated.
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Affiliation(s)
- Rosario Pignatello
- Section of Pharmaceutical Technology, Department of Drug Sciences, University of Catania, 95125 Catania, Italy.
- NANO-i, Research Centre on Ocular Nanotechnology, University of Catania, 95125 Catania, Italy.
| | - Antonio Leonardi
- Section of Pharmaceutical Technology, Department of Drug Sciences, University of Catania, 95125 Catania, Italy.
| | - Virginia Fuochi
- Section of Microbiology, Department of Biomedical and Biotechnological Sciences, BIOMETEC, University of Catania, 95125 Catania, Italy.
| | - Giulio Petronio Petronio
- Section of Microbiology, Department of Biomedical and Biotechnological Sciences, BIOMETEC, University of Catania, 95125 Catania, Italy.
| | - Antonio S Greco
- Section of Pharmaceutical Technology, Department of Drug Sciences, University of Catania, 95125 Catania, Italy.
| | - Pio Maria Furneri
- Section of Microbiology, Department of Biomedical and Biotechnological Sciences, BIOMETEC, University of Catania, 95125 Catania, Italy.
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19
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Enhancing bioavailability and controlling the release of glibenclamide from optimized solid lipid nanoparticles. J Drug Deliv Sci Technol 2017. [DOI: 10.1016/j.jddst.2017.02.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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20
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Peng LH, Wei W, Shan YH, Chong YS, Yu L, Gao JQ. Sustained release of piroxicam from solid lipid nanoparticle as an effective anti-inflammatory therapeutics in vivo. Drug Dev Ind Pharm 2016; 43:55-66. [DOI: 10.1080/03639045.2016.1220563] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Li-Hua Peng
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Wei Wei
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
- School of Pharmaceutical Sciences, Jiamushi University, Jiamushi, P.R. China
| | - Ying-Hui Shan
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Yee-Song Chong
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
| | - Lian Yu
- School of Pharmaceutical Sciences, Jiamushi University, Jiamushi, P.R. China
| | - Jian-Qing Gao
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, P.R. China
- Technology Center for Transdermal Drug Delivery System of Jiangsu Province, Jiangsu, P.R. China
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21
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Cai Y, Sun Z, Fang X, Fang X, Xiao F, Wang Y, Chen M. Synthesis, characterization and anti-cancer activity of Pluronic F68-curcumin conjugate micelles. Drug Deliv 2015; 23:2587-2595. [PMID: 26066393 DOI: 10.3109/10717544.2015.1037970] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Curcumin (CUR), a nontoxic polyphenol derived from the rhizome of turmeric (Curcuma longa), has been recognized as an anti-cancer and chemo-preventative agent. However, its clinical application for cancer treatment has been greatly limited due to its poor water-solubility and low bioavailability. To tackle this problem, Pluronic F68-CUR (F68-CUR) conjugate micelles, which are amphiphilic copolymers, were designed and synthesized in this study. These highly stable micelles with CUR concentrated in the core were formulated using the solvent evaporation method and were confirmed by Fourier transform infrared spectroscopy and nuclear magnetic resonance. Physicochemical characterization of F68-CUR conjugate micelles revealed that high drug loading content (DL%; 0.248 mg CUR/1 mg F68) was achieved, and the average particle size of micelles was 115.2 ± 3.0 nm. Compared with free CUR, a significantly higher cytotoxicity against human breast cancer cell line MDA-MB-231 was observed in F68-CUR conjugate micelles. The IC50 value of F68-CUR conjugate micelles was 1.95-fold lower than that of free CUR, indicating that the anti-cancer activity of CUR was significantly improved in the micelles. Furthermore, apoptotic studies demonstrated that F68-CUR conjugate micelles induced more cell apoptosis than that of free CUR. Taken together, these results demonstrate that F68-CUR conjugate micelles are promising to improve the clinical effectiveness of CUR in cancer treatment.
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Affiliation(s)
- Yuee Cai
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macao , P.R. China
| | - Zhongqing Sun
- b Department of Pharmacology , School of Medicine, Jinan University , Guangzhou , P.R. China , and
| | - Xiaobin Fang
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macao , P.R. China
| | - Xiefan Fang
- c Department of Pediatrics , College of Medicine, University of Florida , Gainesville , FL , USA
| | - Fei Xiao
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macao , P.R. China.,b Department of Pharmacology , School of Medicine, Jinan University , Guangzhou , P.R. China , and
| | - Yitao Wang
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macao , P.R. China
| | - Meiwan Chen
- a State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences, University of Macau , Macao , P.R. China
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22
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Chen X, Peng LH, Shan YH, Li N, Wei W, Yu L, Li QM, Liang WQ, Gao JQ. Astragaloside IV-loaded nanoparticle-enriched hydrogel induces wound healing and anti-scar activity through topical delivery. Int J Pharm 2013; 447:171-81. [PMID: 23500766 DOI: 10.1016/j.ijpharm.2013.02.054] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 01/31/2013] [Accepted: 02/27/2013] [Indexed: 11/28/2022]
Abstract
This study aims to investigate the novel preparation of solid lipid nanoparticle-enriched hydrogel (SLN-gel) for the topical delivery of astragaloside IV and to determine the effects of astragaloside IV-based SLN-gel on wound healing and anti-scar formation. Solid lipid nanoparticles (SLNs) were prepared through the solvent evaporation method. The particle size, polydispersity index (PDI), zeta potential (ZP), encapsulation efficiency (EE), drug release, and morphological properties of the SLNs were characterized. The optimized SLNs were incorporated in carbomer hydrogel to form an SLN-enriched gel (SLN-gel) carrier. The effects of astragaloside IV-enriched SLNs on wound healing were determined using the wound scratch test, and their uptake by skin cells was tested in vitro. With the rat full-skin excision model, the in vivo regulation of astragaloside IV-based SLN-gel in the wound stages of re-epithelization, angiogenesis, and extracellular matrix remodeling was investigated. The best formulation of astragaloside IV-based SLNs had high EE (93% ± 5%) and ZP (-23.6 mV ± 1.5 mV), with a PDI of 0.18 ± 0.03 and a drug loading percentage of 9%. Astragaloside IV-based SLNs and SLN-gel could release drug sustainably. Astragaloside IV-based SLNs enhanced the migration and proliferation of keratinocytes and increased drug uptake on fibroblasts in vitro (P<0.01) through the caveolae endocytosis pathway, which was inhibited by methyl-β-cyclodextrin. Astragaloside IV-based SLN-gel strengthened wound healing and inhibited scar formation in vivo by increasing wound closure rate (P<0.05) and by contributing to angiogenesis and collagen regular organization. SLN-enriched gel is a promising topical drug delivery system. Astragaloside IV-loaded SLN-enriched gel was proven as an excellent topical preparation with wound healing and anti-scar effects.
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Affiliation(s)
- Xi Chen
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, PR China
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