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Ossowicz-Rupniewska P, Nowak A, Konopacki M, Kordas M, Kucharski Ł, Klebeko J, Świątek E, Rakoczy R. Increase of ibuprofen penetration through the skin by forming ion pairs with amino acid alkyl esters and exposure to the electromagnetic field. Eur J Pharm Biopharm 2023:S0939-6411(23)00117-0. [PMID: 37164233 DOI: 10.1016/j.ejpb.2023.05.003] [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: 03/12/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/12/2023]
Abstract
A method of increasing the permeability of ibuprofen through the skin using a rotating magnetic field (RMF) is presented. This study evaluated whether 50 Hz RMF modifies ibuprofen's permeability through the skin. Ibuprofen and its structural modifications in the form of ibuprofenates of isopropyl esters of L-amino acids such as L-valine, L-phenylalanine, L-proline, and L-aspartic acid were used in the research. To this end, Franz cells with skin as membrane were exposed to 50 Hz RMF with 5% ibuprofen and its derivatives in an ethanol solution for 48 h. Following the exposures, the amount of penetrated compound was analysed. Regardless of the compound tested, a significant increase in drug transport through the skin was observed. The differences in the first 30 minutes of permeation are particularly noticeable. Furthermore, it was shown that using RMF increases the permeability of ibuprofen from 4 to 244 times compared to the test without the RMF. The greatest differences were observed for unmodified ibuprofen. However, it is noteworthy that the largest amounts of the active substance were obtained with selected modifications and exposure to RMF. The RMF may be an innovative and interesting technology that increases the penetration of anti-inflammatory and anti-ache drugs through the skin.
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Affiliation(s)
- Paula Ossowicz-Rupniewska
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, Piastów Ave. 42, 71-065 Szczecin, Poland.
| | - Anna Nowak
- Pomeranian Medical University in Szczecin, Department of Cosmetic and Pharmaceutical Chemistry, Powstańców Wielkopolskich Ave. 72, 70-111 Szczecin, Poland
| | - Maciej Konopacki
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Marian Kordas
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Łukasz Kucharski
- Pomeranian Medical University in Szczecin, Department of Cosmetic and Pharmaceutical Chemistry, Powstańców Wielkopolskich Ave. 72, 70-111 Szczecin, Poland
| | - Joanna Klebeko
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Ewelina Świątek
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Rafał Rakoczy
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
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Rakoczy R, Nowak A, Konopacki M, Kordas M, Kucharski Ł, Ossowicz-Rupniewska P. Exposure to a rotating magnetic field as a method of increasing the skin permeability of active pharmaceutical ingredients. Eur J Pharm Biopharm 2023; 185:183-189. [PMID: 36905969 DOI: 10.1016/j.ejpb.2023.02.017] [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: 01/06/2023] [Revised: 02/20/2023] [Accepted: 02/28/2023] [Indexed: 03/11/2023]
Abstract
The paper presents a method of increasing the permeability of various active substances through the skin by means of a rotating magnetic field. The study used 50 Hz RMF and various active pharmaceutical ingredients (APIs) such as caffeine, ibuprofen, naproxen, ketoprofen, and paracetamol. Various concentrations of active substance solutions in ethanol were used in the research, corresponding to those in commercial preparations. Each experiment was conducted for 24 h. It was shown that, regardless of the active compound used, an increase in drug transport through the skin was observed with RMF exposure. Furthermore, the release profiles depended on the active substance used. Exposure to a rotating magnetic field has been shown to effectively increase the permeability of an active substance through the skin.
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Affiliation(s)
- Rafał Rakoczy
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Anna Nowak
- Pomeranian Medical University in Szczecin, Department of Cosmetic and Pharmaceutical Chemistry, Powstańców Wielkopolskich Ave. 72, 70-111 Szczecin, Poland
| | - Maciej Konopacki
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Marian Kordas
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, Piastów Ave. 42, 71-065 Szczecin, Poland
| | - Łukasz Kucharski
- Pomeranian Medical University in Szczecin, Department of Cosmetic and Pharmaceutical Chemistry, Powstańców Wielkopolskich Ave. 72, 70-111 Szczecin, Poland
| | - Paula Ossowicz-Rupniewska
- West Pomeranian University of Technology in Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, Piastów Ave. 42, 71-065 Szczecin, Poland.
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Nanoparticles for Topical Application in the Treatment of Skin Dysfunctions-An Overview of Dermo-Cosmetic and Dermatological Products. Int J Mol Sci 2022; 23:ijms232415980. [PMID: 36555619 PMCID: PMC9780930 DOI: 10.3390/ijms232415980] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Nanomaterials (NM) arouse interest in various fields of science and industry due to their composition-tunable properties and the ease of modification. They appear currently as components of many consumer products such as sunscreen, dressings, sports clothes, surface-cleaning agents, computer devices, paints, as well as pharmaceutical and cosmetics formulations. The use of NPs in products for topical applications improves the permeation/penetration of the bioactive compounds into deeper layers of the skin, providing a depot effect with sustained drug release and specific cellular and subcellular targeting. Nanocarriers provide advances in dermatology and systemic treatments. Examples are a non-invasive method of vaccination, advanced diagnostic techniques, and transdermal drug delivery. The mechanism of action of NPs, efficiency of skin penetration, and potential threat to human health are still open and not fully explained. This review gives a brief outline of the latest nanotechnology achievements in products used in topical applications to prevent and treat skin diseases. We highlighted aspects such as the penetration of NPs through the skin (influence of physical-chemical properties of NPs, the experimental models for skin penetration, methods applied to improve the penetration of NPs through the skin, and methods applied to investigate the skin penetration by NPs). The review summarizes various therapies using NPs to diagnose and treat skin diseases (melanoma, acne, alopecia, vitiligo, psoriasis) and anti-aging and UV-protectant nano-cosmetics.
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Farjami A, Salatin S, Jafari S, Mahmoudian M, Jelvehgari M. The Factors Determining the Skin Penetration and Cellular Uptake of Nanocarriers: New Hope for Clinical Development. Curr Pharm Des 2021; 27:4315-4329. [PMID: 34779364 DOI: 10.2174/1381612827666210810091745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 06/16/2021] [Indexed: 11/22/2022]
Abstract
The skin provides a protective barrier against toxic environments and also offers a valuable route for topical drug delivery. The stratum corneum (SC) is the outermost layer of the skin and serves as the major barrier to chemical transfer through the skin. The human skin barrier is particularly difficult to overcome because of the complex composition and structure of the SC. Nanoparticulate carriers have gained widespread attention in topical drug delivery due to their tunable and versatile properties. The present review summarizes the main factors involved in skin penetration of nanocarriers containing the drug. Employment of nanotechnology in topical delivery has grown progressively during recent years; however, it is important to monitor the skin penetration of nanocarriers prior to their use to avoid possible toxic effects. Nanocarriers can act as a means to increase skin permeation of drugs by supporting direct interaction with the SC and increasing the period of permanence on the skin. Skin penetration is influenced by the physicochemical characteristics of nanocarriers such as composition, size, shape, surface chemistry, as well as skin features. Considering that the target of topical systems based on nanocarriers is the penetration of therapeutic agents in the skin layers, so a detailed understanding of the factors influencing skin permeability of nanocarriers is essential for safe and efficient therapeutic applications.
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Affiliation(s)
- Afsaneh Farjami
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sara Salatin
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samira Jafari
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Mahmoudian
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mitra Jelvehgari
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Monitoring the Clinical Response to an Innovative Transdermal Delivery System for Ibuprofen. Pharmaceutics 2019; 11:pharmaceutics11120664. [PMID: 31835344 PMCID: PMC6955711 DOI: 10.3390/pharmaceutics11120664] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/27/2019] [Accepted: 12/04/2019] [Indexed: 12/19/2022] Open
Abstract
We present a phase 1 study that utilizes a crossover design that provides a rapid and relatively inexpensive methodology for evaluating a new transdermal product. The treatment for osteoarthritis (OA) aims to reduce pain and improve function. An innovative magnetophoresis technology has been developed that facilitates transdermal delivery of ibuprofen. The study used measures that were taken over a relatively short time period to monitor the pharmacodynamic response to ibuprofen. Each participant received magnetophoresis-enhanced transdermal ibuprofen or placebo in randomised order, with a five-day washout period. The participants were 24 volunteers with medically diagnosed, painful knee OA. The primary outcome measures were VAS rating of pain on movement and Western Ontario and McMaster Universities (WOMAC) pain and function scores. VAS for pain on movement (p < 0.001), WOMAC pain score (p = 0.004), and WOMAC function score (p = 0.004) were all significantly improved. There was a significant reduction in movement-related pain (p < 0.05) during the first patch application and for the remainder of the study period. The number needed to treat for a 50% reduction in movement related pain was 2.2. The study showed a rapid and significant analgesic effect in response to transdermal ibuprofen. A short trial of this nature can be used for informing the parameters that are required for a major randomised controlled trial.
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Benson HAE, Grice JE, Mohammed Y, Namjoshi S, Roberts MS. Topical and Transdermal Drug Delivery: From Simple Potions to Smart Technologies. Curr Drug Deliv 2019; 16:444-460. [PMID: 30714524 PMCID: PMC6637104 DOI: 10.2174/1567201816666190201143457] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/16/2019] [Accepted: 01/25/2019] [Indexed: 01/02/2023]
Abstract
This overview on skin delivery considers the evolution of the principles of percutaneous ab-sorption and skin products from ancient times to today. Over the ages, it has been recognised that products may be applied to the skin for either local or systemic effects. As our understanding of the anatomy and physiology of the skin has improved, this has facilitated the development of technologies to effectively and quantitatively deliver solutes across this barrier to specific target sites in the skin and beyond. We focus on these technologies and their role in skin delivery today and in the future.
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Affiliation(s)
- Heather A E Benson
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, Australia
| | - Jeffrey E Grice
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Yousuf Mohammed
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Sarika Namjoshi
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Michael S Roberts
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia.,School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
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A randomised pilot equivalence trial to evaluate diamagnetically enhanced transdermal delivery of key ground substance components in comparison to an established transdermal non-steroidal anti-inflammatory formulation in males with prior knee injury. PLoS One 2019; 14:e0211999. [PMID: 30794553 PMCID: PMC6386272 DOI: 10.1371/journal.pone.0211999] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 01/24/2019] [Indexed: 12/19/2022] Open
Abstract
Objective This pilot study assessed the efficacy of a knee guard device, which used magnetophoresis to transdermally deliver Glucosamine, Chondroitin and Hyaluronic Acid in a cohort of individuals with prior knee injury. The aim was to determine if the change in physical function and pain with the knee guard device was equivalent to the change produced by an established topical NSAID formulation containing diclofenac sodium 1%. Methods A randomized, controlled, equivalence trial evaluated outcomes following treatment with the knee guard device or NSAID formulation. The study recruited 114 male participants (aged 40–55 years). Participants were randomly allocated to wear the knee guard device or to use a NSAID gel daily for two weeks. The primary outcomes were the knee injury osteoarthritis function score (KOOS-F) and an aggregated function score (AFS). The lower extremity functional scale (LEFS), pain numerical rating scale (PNRS), global rating of change (GROC) and other KOOS scores were also evaluated. Results Multiple linear regression analyses indicated that there were no significant differences between the interventions for changes in the primary outcomes of AFS and KOOS_F. The 95% confidence interval (-2.89 to 5.15) of the estimated treatment difference for KOOS-F was within the lower (-5.61) and upper (5.61) bounds of the 7% equivalence margin for that measure, The mean value for the AFS was within, but the 95% CI (-3.11 to 7.37) exceeded the 7% equivalence margin (-2.97 to 2.97) for that measure. There was a significant difference in PNRS, which favored the knee guard device. Conclusion The knee guard device demonstrated equivalence for the KOOS-F measure but not the AFS measure of function over the two week trial period when compared to a widely available NSAID gel that has been shown to be superior to placebo. The knee guard produced a greater reduction in pain report (p = 0.002) than the NSAID gel. Users of the knee guard device experienced more skin irritation than participants using the NSAID gel. Further research is required to fully evaluate the therapeutic potential of this innovative treatment approach.
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Influence of magnetic field to the allocation of imputiry molecules in the structure of optically transparent polymer films. Polym J 2016. [DOI: 10.15407/polymerj.38.03.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Mohammed Y, Teixidó M, Namjoshi S, Giralt E, Benson H. Cyclic Dipeptide Shuttles as a Novel Skin Penetration Enhancement Approach: Preliminary Evaluation with Diclofenac. PLoS One 2016; 11:e0160973. [PMID: 27548780 PMCID: PMC4993479 DOI: 10.1371/journal.pone.0160973] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 07/27/2016] [Indexed: 11/18/2022] Open
Abstract
This study demonstrates the effectiveness of a peptide shuttle in delivering diclofenac into and through human epidermis. Diclofenac was conjugated to a novel phenylalanyl-N-methyl-naphthalenylalanine-derived diketopiperazine (DKP) shuttle and to TAT (a classical cell penetrating peptide), and topically applied to human epidermis in vitro. DKP and TAT effectively permeated into and through human epidermis. When conjugated to diclofenac, both DKP and TAT enhanced delivery into and through human epidermis, though DKP was significantly more effective. Penetration of diclofenac through human epidermis (to receptor) was increased by conjugation to the peptide shuttle and cell penetrating peptide with enhancement of 6x by DKP-diclofenac and 3x by TAT-diclofenac. In addition, the amount of diclofenac retained within the epidermis was significantly increased by peptide conjugation. COX-2 inhibition activity of diclofenac was retained when conjugated to DKP. Our study suggests that the peptide shuttle approach may offer a new strategy for targeted delivery of small therapeutic and diagnostic molecules to the skin.
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Affiliation(s)
- Yousuf Mohammed
- School of Pharmacy, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, Australia
- Therapeutics Research Centre, The University of Queensland, School of Medicine, Translational Research Institute, Brisbane, Queensland, Australia
| | - Meritxell Teixidó
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Science and Technology Institute (BIST), Barcelona, Spain
| | - Sarika Namjoshi
- Therapeutics Research Centre, The University of Queensland, School of Medicine, Translational Research Institute, Brisbane, Queensland, Australia
| | - Ernest Giralt
- Institute for Research in Biomedicine (IRB Barcelona), Barcelona Science and Technology Institute (BIST), Barcelona, Spain
- * E-mail: (HB); (EG)
| | - Heather Benson
- School of Pharmacy, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, Australia
- * E-mail: (HB); (EG)
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Gupta R, Rai B. Penetration of Gold Nanoparticles through Human Skin: Unraveling Its Mechanisms at the Molecular Scale. J Phys Chem B 2016; 120:7133-42. [PMID: 27362257 DOI: 10.1021/acs.jpcb.6b03212] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Recent experimental studies suggest that nanosized gold nanoparticles (AuNPs) are able to penetrate into the deeper layer (epidermis and dermis) of rat and human skin. However, the mechanisms by which these AuNPs penetrate and disrupt the skin's lipid matrix are not well understood. In this study, we have used computer simulations to explore the translocation and the permeation of AuNPs through the model skin lipid membrane using both unconstrained and constrained coarse-grained molecular dynamics simulations. Each AuNP (1-6 nm) disrupted the bilayer packing and entered the interior of the bilayer rapidly (within 100 ns). It created a hydrophobic vacancy in the bilayer, which was mostly filled by skin constituents. Bigger AuNPs induced changes in the bilayer structure, and undulations were observed in the bilayer. The bilayer exhibited self-healing properties; it retained its original form once the simulation was run further after the removal of the AuNPs. Constrained simulation results showed that there was a trade-off between the kinetics and thermodynamics of AuNP permeation at a molecular scale. The combined effect of both resulted in a high permeation of small-sized AuNPs. The molecular-level information obtained through our simulations offers a very convenient method to design novel drug delivery systems and effective cosmetics.
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Affiliation(s)
- Rakesh Gupta
- TCS Innovation Labs, TATA Research Development & Design Centre , Pune 411013, India
| | - Beena Rai
- TCS Innovation Labs, TATA Research Development & Design Centre , Pune 411013, India
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Chen AZ, Chen LQ, Wang SB, Wang YQ, Zha JZ. Study of magnetic silk fibroin nanoparticles for massage-like transdermal drug delivery. Int J Nanomedicine 2015; 10:4639-51. [PMID: 26229467 PMCID: PMC4516257 DOI: 10.2147/ijn.s85999] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
A synergistic approach by the combination of magnetic nanoparticles with an alternating magnetic field for transdermal drug delivery was investigated. Methotrexate-loaded silk fibroin magnetic nanoparticles were prepared using suspension-enhanced dispersion by supercritical CO2. The physiochemical properties of the magnetic nanoparticles were characterized. In vitro studies on drug permeation across skin were performed under different magnetic fields in comparison with passive diffusion. The permeation flux enhancement factor was found to increase under a stationary magnetic field, while an alternating magnetic field enhanced drug permeation more effectively; the combination of stationary and alternating magnetic fields, which has a massage-like effect on the skin, achieved the best result. The mechanistic studies using attenuated total reflection Fourier-transform infrared spectroscopy demonstrate that an alternating magnetic field can change the ordered structure of the stratum corneum lipid bilayers from the gel to the lipid-crystalline state, which can increase the fluidity of the stratum corneum lipids, thus enhancing skin penetration. Compared with the other groups, the fluorescence signal with a bigger area detected in deeper regions of the skin also reveals that the simulated massage could enhance the drug permeation across the skin by increasing the follicular transport. The combination of magnetic nanoparticles with stationary/alternating magnetic fields has potential for effective massage-like transdermal drug delivery.
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Affiliation(s)
- Ai-Zheng Chen
- College of Chemical Engineering, Huaqiao University, Xiamen, People's Republic of China ; Institute of Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China ; Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Lin-Qing Chen
- College of Chemical Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Shi-Bin Wang
- College of Chemical Engineering, Huaqiao University, Xiamen, People's Republic of China ; Institute of Pharmaceutical Engineering, Huaqiao University, Xiamen, People's Republic of China ; Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Ya-Qiong Wang
- College of Chemical Engineering, Huaqiao University, Xiamen, People's Republic of China
| | - Jun-Zhe Zha
- College of Chemical Engineering, Huaqiao University, Xiamen, People's Republic of China
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Nanoparticles skin absorption: New aspects for a safety profile evaluation. Regul Toxicol Pharmacol 2015; 72:310-22. [DOI: 10.1016/j.yrtph.2015.05.005] [Citation(s) in RCA: 213] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 03/17/2015] [Accepted: 05/06/2015] [Indexed: 12/15/2022]
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13
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Fernandes R, Smyth NR, Muskens OL, Nitti S, Heuer-Jungemann A, Ardern-Jones MR, Kanaras AG. Interactions of skin with gold nanoparticles of different surface charge, shape, and functionality. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:713-21. [PMID: 25288531 DOI: 10.1002/smll.201401913] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 08/27/2014] [Indexed: 05/07/2023]
Abstract
The interactions between skin and colloidal gold nanoparticles of different physicochemical characteristics are investigated. By systematically varying the charge, shape, and functionality of gold nanoparticles, the nanoparticle penetration through the different skin layers is assessed. The penetration is evaluated both qualitatively and quantitatively using a variety of complementary techniques. Inductively coupled plasma optical emission spectrometry (ICP-OES) is used to quantify the total number of particles which penetrate the skin structure. Transmission electron microscopy (TEM) and two photon photoluminescence microscopy (TPPL) on skin cross sections provide a direct visualization of nanoparticle migration within the different skin substructures. These studies reveal that gold nanoparticles functionalized with cell penetrating peptides (CPPs) TAT and R7 are found in the skin in larger quantities than polyethylene glycol-functionalized nanoparticles, and are able to enter deep into the skin structure. The systematic studies presented in this work may be of strong interest for developments in transdermal administration of drugs and therapy.
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Affiliation(s)
- Rute Fernandes
- Institute of Life Sciences, Physics and Astronomy, Faculty of Applied and Physical Sciences, University of Southampton, Southampton, SO171BJ, UK
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Wong TW. Electrical, magnetic, photomechanical and cavitational waves to overcome skin barrier for transdermal drug delivery. J Control Release 2014; 193:257-69. [DOI: 10.1016/j.jconrel.2014.04.045] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 04/21/2014] [Accepted: 04/23/2014] [Indexed: 01/17/2023]
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15
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Genina EA, Terentyuk GS, Bashkatov AN, Mikheeva NA, Kolesnikova EA, Basko MV, Khlebtsov BN, Khlebtsov NG, Tuchin VV. Comparative study of the physical, chemical, and multimodal approaches to enhancing nanoparticle transport in the skin with model dermatitis. ACTA ACUST UNITED AC 2014. [DOI: 10.1134/s1995078014050048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Namjoshi S, Toth I, Blanchfield JT, Trotter N, Mancera RL, Benson HAE. Enhanced transdermal peptide delivery and stability by lipid conjugation: epidermal permeation, stereoselectivity and mechanistic insights. Pharm Res 2014; 31:3304-12. [PMID: 24842663 DOI: 10.1007/s11095-014-1420-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 05/12/2014] [Indexed: 11/24/2022]
Abstract
PURPOSE Efficient delivery of therapeutic peptides to the skin will facilitate better outcomes in dermatology. The tetrapeptide AAPV, an elastase inhibitor with potential utility in the management of psoriasis was coupled to short chain lipoamino acids (Laa: C6-C10) to enhance the peptide permeation into and through human epidermis. METHODS AAPV was conjugated to Laas by solid phase synthesis. Peptide stability, skin distribution and permeation, elastase activity and surface activity were determined. RESULTS Laas increased peptide permeation into the skin. The permeation lag time and amount of peptide remaining in the skin increased with the carbon chain length of the Laa conjugate. We also demonstrated stereoselective permeation enhancement in favour of the D-diastereomer. Importantly, the elastase inhibition activity of the peptide was largely retained after coupling to the Laa conjugates, showing potential therapeutic utility. The Laa-peptide structures were shown to be surface active, suggesting that this surfactant-like activity coupled with enhanced lipophilicity may contribute to their interaction with and permeation through the lipid domains of the stratum corneum. CONCLUSIONS This study suggests that the Laa conjugation approach may be useful for enhancing the permeation of moderately sized peptide drugs with potential application in the treatment of skin disorders.
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Affiliation(s)
- Sarika Namjoshi
- School of Pharmacy, CHIRI-Biosciences, Curtin University, GPO Box U1987, Perth, WA, 6845, Australia
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Dodou K, Armstrong A, Kelly I, Wilkinson S, Carr K, Shattock P, Whiteley P. Ex vivo studies for the passive transdermal delivery of low-dose naltrexone from a cream; detection of naltrexone and its active metabolite, 6β-naltrexol, using a novel LC Q-ToF MS assay. Pharm Dev Technol 2014; 20:694-701. [PMID: 24785567 DOI: 10.3109/10837450.2014.915569] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Naltrexone (NTX) is a long-acting opiate antagonist. Low-dose naltrexone (LDN) therapy has shown promising results in the treatment of several autoimmune disorders. Our aim was to formulate NTX into a cream for the delivery of LDN and develop an analytical technique for the quantification of NTX and its active metabolite 6-β-naltrexol (NTXol) during transdermal diffusion cell permeation studies. A 1% w/w NTX cream was formulated and drug permeation was examined over 24 h using static Franz diffusion cells mounted with pig skin. A Liquid Chromatography Quadrupole-Time of Flight Mass Spectrometry (LC-MS Q-ToF) method was developed for the detection of NTX and NTXol in the receptor solution, skin membrane and residual cream on the donor chamber after completion of the diffusion studies. The cream formulation exhibited steady state release of NTX over 24 h after an initial lag time of 2.74 h. The bioconversion of NTX to NTXol in the skin membrane was 1.1%. It was concluded that the cream may be an effective formulation for the sustained transdermal delivery of LDN. The novel LC Q-ToF MS method allowed the accurate measurement of NTX and NTXol levels across the diffusion cell assemblies and the quantification of NTX metabolism in the skin.
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Affiliation(s)
- Kalliopi Dodou
- Faculty of Applied Sciences, Sunderland Pharmacy School, University of Sunderland , Sunderland , UK
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Pappinen S, Pryazhnikov E, Khiroug L, Ericson MB, Yliperttula M, Urtti A. Organotypic cell cultures and two-photon imaging: Tools for in vitro and in vivo assessment of percutaneous drug delivery and skin toxicity. J Control Release 2012; 161:656-67. [DOI: 10.1016/j.jconrel.2012.03.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Revised: 03/05/2012] [Accepted: 03/06/2012] [Indexed: 12/14/2022]
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Labouta HI, Schneider M. Interaction of inorganic nanoparticles with the skin barrier: current status and critical review. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2012; 9:39-54. [PMID: 22542824 DOI: 10.1016/j.nano.2012.04.004] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2011] [Revised: 04/02/2012] [Accepted: 04/12/2012] [Indexed: 11/18/2022]
Abstract
UNLABELLED Integration of nanotechnology with biology leads to various advantages in applied pharmaceutical and medical sciences. In that regard, the behavior of nanoparticles (NPs) in relation to the skin, an important biological barrier, has been the target of several recent studies. Yet the potential ability of NPs to penetrate into the underlying viable tissue lies at the center of debate. This review briefly highlights the current applications of inorganic NPs, then discusses the current status of their skin penetration in view of the vast variation among the experimental setups in use. Determinants of particle penetration, adopted approaches for enhanced penetration, the underlying mechanism, as well as qualitative and quantitative analysis of NPs present in the skin are also within the scope of this review article. We emphasize analyzing the data generated from experiments on human skin, the "gold standard" for assessment of in vitro skin penetration. Based on this, we include some recommendations for future research. FROM THE CLINICAL EDITOR Transdermal application of inorganic nanoparticle-based medications is of growing interest in nanomedicine research. This critical review discusses the knowns and the unknowns of this field, providing insightful recommendations for future research.
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Affiliation(s)
- Hagar I Labouta
- Pharmaceutical Nanotechnology, Saarland University, Saarbrücken, Germany
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Labouta H, El-Khordagui L, Schneider M. Could Chemical Enhancement of Gold Nanoparticle Penetration Be Extrapolated from Established Approaches for Drug Permeation? Skin Pharmacol Physiol 2012; 25:208-18. [DOI: 10.1159/000338688] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 03/14/2012] [Indexed: 11/19/2022]
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Nguyen TH, Hanley T, Porter CJH, Larson I, Boyd BJ. Phytantriol and glyceryl monooleate cubic liquid crystalline phases as sustained-release oral drug delivery systems for poorly water soluble drugs I. Phase behaviour in physiologically-relevant media. J Pharm Pharmacol 2011; 62:844-55. [PMID: 20636872 DOI: 10.1211/jpp.62.06.0005] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES The potential utility of liquid crystalline lipid-based formulations in oral drug delivery is expected to depend critically on their structure formation and stability in gastrointestinal fluids. The phase behaviour of lipid-based liquid crystals formed by phytantriol and glyceryl monooleate, known to form a bicontinuous cubic phase in excess water, was therefore assessed in physiologically-relevant simulated gastrointestinal media. METHODS Fixed composition phase studies, crossed polarised light microscopy (CPLM) and small angle X-ray scattering (SAXS) were used to determine the phase structures formed in phosphate-buffered saline, simulated gastric and intestinal fluids in the presence of model poorly water soluble drugs cinnarizine, diazepam and vitamin E acetate. KEY FINDINGS The phase behaviour of phytantriol in phosphate-buffered saline was very similar to that in water. Increasing concentrations of bile components (bile salts and phospholipids) caused an increase in the lattice parameter of the cubic phase structure for both lipids. Incorporation of cinnarizine and diazepam did not influence the phase behaviour of the phytantriol- or glyceryl monooleate-based systems at physiological temperatures; however, an inverse hexagonal phase formed on incorporation of vitamin E acetate. CONCLUSIONS Phytantriol and glyceryl monooleate have the potential to form stable cubic phase liquid crystalline delivery systems in the gastrointestinal tract. In-vivo studies to assess their sustained-release behaviour are warranted.
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Affiliation(s)
- Tri-Hung Nguyen
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, Australia
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Murthy SN, Sammeta SM, Bowers C. Magnetophoresis for enhancing transdermal drug delivery: Mechanistic studies and patch design. J Control Release 2010; 148:197-203. [PMID: 20728484 DOI: 10.1016/j.jconrel.2010.08.015] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2010] [Accepted: 08/11/2010] [Indexed: 11/26/2022]
Abstract
Magnetophoresis is a method of enhancement of drug permeation across the biological barriers by application of magnetic field. The present study investigated the mechanistic aspects of magnetophoretic transdermal drug delivery and also assessed the feasibility of designing a magnetophoretic transdermal patch system for the delivery of lidocaine. In vitro drug permeation studies were carried out across the porcine epidermis at different magnetic field strengths. The magnetophoretic drug permeation "flux enhancement factor" was found to increase with the applied magnetic field strength. The mechanistic studies revealed that the magnetic field applied in this study did not modulate permeability of the stratum corneum barrier. The predominant mechanism responsible for magnetically mediated drug permeation enhancement was found to be "magnetokinesis". The octanol/water partition coefficient of drugs was also found to increase when exposed to the magnetic field. A reservoir type transdermal patch system with a magnetic backing was designed for in vivo studies. The dermal bioavailability (AUC(0-6h)) from the magnetophoretic patch system in vivo, in rats was significantly higher than the similarly designed non-magnetic control patch.
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Affiliation(s)
- S Narasimha Murthy
- Department of Pharmaceutics, The University of Mississippi, University, MS 38677, USA.
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