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Alsheddi L, Wanasathop A, Li SK. Dose-dependent effect on skin permeation of polar and non-polar compounds. Int J Pharm 2024; 649:123601. [PMID: 37956723 DOI: 10.1016/j.ijpharm.2023.123601] [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: 08/28/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 11/15/2023]
Abstract
The study of the relationship between the amount of drug applied to the skin and fraction of drug absorbed can improve our understanding of finite-dose percutaneous absorption in the development of topical products and risk assessment of hazardous chemical exposure. It has been previously shown that an increase in the dose applied to the skin leads to a decrease in the fraction of drug permeated the skin (dose-dependent effect). The objective of this research was to examine the dose-dependent effect using permeants of varying physiochemical properties. The dose-dependent effect was studied using human epidermal membrane under finite dose conditions in Franz diffusion cell with model permeants at doses ranging from 0.1 to 200 μg. The dose-dependent effect was evident with model permeants caffeine, corticosterone, dexamethasone, and estradiol, consistent with the relationship of decreasing fraction of dose permeated the skin at increasing the applied dose. However, no significant dose-dependent effect was observed for the polar model permeants urea, mannitol, tetraethyl ammonium, and ethylene glycol, suggesting different transport mechanisms for these permeants. It was also found that, at relatively high doses, estradiol, dexamethasone, and corticosterone could increase the permeation of polar and lipophilic permeants, which could counter the dose-dependent effect under the conditions studied.
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Affiliation(s)
- Lama Alsheddi
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267, USA.
| | - Apipa Wanasathop
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267, USA
| | - S Kevin Li
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45267, USA
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Annaji M, Mita N, Rangari S, Aldawsari MF, Alsaqr A, Poudel I, Fasina O, Babu RJ. Enhanced Topical Co-delivery of Acyclovir and Lidocaine Gel Formulation Across Dermatomed Human Skin. AAPS PharmSciTech 2022; 23:305. [DOI: 10.1208/s12249-022-02458-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/03/2022] [Indexed: 11/19/2022] Open
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3
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Dandekar AA, Kale M, Garimella HT, Banga AK. Effect of compromised skin barrier on delivery of diclofenac sodium from brand and generic formulations via microneedles and iontophoresis. Int J Pharm 2022; 628:122271. [DOI: 10.1016/j.ijpharm.2022.122271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/14/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022]
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4
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Transdermal delivery of breakthrough therapeutics for the management of treatment-resistant and post-partum depression. Int J Pharm 2020; 591:120007. [DOI: 10.1016/j.ijpharm.2020.120007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/12/2020] [Accepted: 10/18/2020] [Indexed: 12/30/2022]
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5
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Back PI, Balestrin LA, Fachel FNS, Nemitz MC, Falkembach M, Soares G, Marques MDS, Silveira T, Dal Prá M, Horn AP, Braganhol E, von Poser GL, Dora CL, Teixeira HF. Hydrogels containing soybean isoflavone aglycones-rich fraction-loaded nanoemulsions for wound healing treatment - in vitro and in vivo studies. Colloids Surf B Biointerfaces 2020; 196:111301. [PMID: 32871442 DOI: 10.1016/j.colsurfb.2020.111301] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 11/23/2022]
Abstract
Soybean isoflavone aglycones have been investigated as potential wound healing compounds for topical application. The aim of this study was to evaluate the wound healing properties of a soybean isoflavone aglycones-rich fraction (IAF) when incorporated into lipid nanoemulsions dispersed in acrylic-acid hydrogels. Formulations exhibited a mean droplet size in the sub 200 nm range, negative ζ-potential (-60 mV), and displayed non-Newtonian pseudoplastic behavior. The addition of a gelling agent decreased the IAF release from formulations and improved the retention of these compounds in intact porcine ear skin when compared with a control propylene glycol solution. No IAF were detected in receptor fluid of Franz-type diffusion cells. However, increasing amounts of IAF were noticed in both skin layers and the receptor fluid when the tissue was partially injured (tape stripping), or when the epidermis was completely removed. In vitro studies showed that IAF elicits an increased proliferation and migration of keratinocytes (HaCaT cell line). Subsequently, the healing effect of the formulations was evaluated in a model of dorsal wounds in rats, by assessing the size of the lesions, histology, inflammatory markers, and antioxidant activity. Overall findings demonstrated the potential of IAF-loaded formulations to promote wound healing by increasing angiogenesis by ∼200 %, reducing the lipid oxidation (TBARS) by ∼52 % and the inflammation (TNFα) by ∼35 %, while increasing re-epithelialization by ∼500 %, visualized by the epithelium thickness.
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Affiliation(s)
- Patricia Inês Back
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Lucélia Albarello Balestrin
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | | | - Mariana Falkembach
- Programa de Pós-Graduação em Ciências da Saúde, Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Gabriela Soares
- Programa de Pós-Graduação em Ciências da Saúde, Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Magno da Silva Marques
- Programa de Pós-Graduação em Ciências Fisiológicas, Laboratório de Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Tony Silveira
- Programa de Pós-Graduação em Ciências da Saúde, Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Morgana Dal Prá
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Ana Paula Horn
- Programa de Pós-Graduação em Ciências Fisiológicas, Laboratório de Histologia, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Elizandra Braganhol
- Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | - Gilsane Lino von Poser
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Cristiana Lima Dora
- Programa de Pós-Graduação em Ciências da Saúde, Laboratório de Nanotecnologia, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Helder Ferreira Teixeira
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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de Assis KMA, da Silva Leite JM, de Melo DF, Borges JC, Santana LMB, Dos Reis MML, Moreira VM, da Rocha WRV, Catão RMR, Dos Santos SG, da Silva Portela A, de Sousa Silva SM, de Oliveira TKB, de Souza da Silveira JW, Pires EG, Nonaka CFW, Sanches FAC, de Lima Damasceno BPG. Bicontinuous microemulsions containing Melaleuca alternifolia essential oil as a therapeutic agent for cutaneous wound healing. Drug Deliv Transl Res 2020; 10:1748-1763. [PMID: 32924099 DOI: 10.1007/s13346-020-00850-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2020] [Indexed: 10/23/2022]
Abstract
The Melaleuca alternifolia essential oil (MEO) has been widely used due to its healing and antimicrobial action. Its incorporation into drug delivery systems is a reality, and numerous studies have already been developed for this purpose. In this regard, the aim of this work was to develop, characterize, and evaluate the in vivo pharmacological activity of bicontinuous microemulsions (BME) containing MEO. Through diagram construction, a formulation consisting of Kolliphor® HS 15 (31.05%), Span® 80 (3.45%), isopropyl myristate (34.5%), and distilled water (31%) was selected and MEO was incorporated in the proportion of 3.45% (v/v). Morphological analysis characterization confirms that the system studied herein is a BME. The evaluated formulation showed physicochemical characteristics that allow its topical use. Rheologically, samples were characterized as pseudo-plastic non-Newtonian thixotropic fluids. The chromatographic method developed is in accordance with the current recommendations. The extraction method used assured a 100% recovery of the pharmacological marker (terpinen-4-ol). In vivo studies suggest that BME loaded with MEO may contribute to the healing process of skin wounds. In addition, it demonstrated antibacterial activity for Gram-positive and Gram-negative bacteria. Therefore, the BME system loaded with MEO is promising as a healing and antimicrobial agent for skin wounds.Graphical abstract.
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Affiliation(s)
- Karoll Moangella Andrade de Assis
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Joandra Maísa da Silva Leite
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Demis Ferreira de Melo
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Joyce Cordeiro Borges
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Lucas Matheus Barreto Santana
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Malu Maria Lucas Dos Reis
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Vandiara Martins Moreira
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Wilma Rainny Vieira da Rocha
- Laboratory of Microbiology, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Raïssa Mayer Ramalho Catão
- Laboratory of Microbiology, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | | | | | | | | | - João Walter de Souza da Silveira
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | | | | | - Fátima Aparecida Castriani Sanches
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Federal Institute of Education, Science and Technology Baiano, IFBA, Campus Catu, Catu, Bahia, Brazil
| | - Bolívar Ponciano Goulart de Lima Damasceno
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil. .,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil.
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Padula C, Nicoli S, Pescina S, Santi P. Thin polymeric films for the topical delivery of propranolol. Colloids Surf B Biointerfaces 2019; 174:582-586. [DOI: 10.1016/j.colsurfb.2018.11.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 11/07/2018] [Accepted: 11/08/2018] [Indexed: 12/16/2022]
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In Vitro Skin Retention and Drug Permeation through Intact and Microneedle Pretreated Skin after Application of Propranolol Loaded Microemulsions. Pharm Res 2018; 35:228. [PMID: 30302631 DOI: 10.1007/s11095-018-2495-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/06/2018] [Indexed: 01/08/2023]
Abstract
PURPOSE Topical beta-blockers are efficacious for treating infantile hemangiomas, but no formulations have been specifically optimized for skin delivery. Our objective was to quantify skin concentrations and drug permeation of propranolol (a nonselective beta-blocker) after application of microemulsions to intact and microneedle pretreated skin. METHODS Four propranolol-loaded microemulsions were characterized for droplet size, surface charge, conductivity, pH, drug solubility, and drug release. Skin concentrations and drug permeation through skin were quantified using LC-MS. Skin-to-receiver ratios were used to compare the microemulsion formulations to a drug-in-PBS solution. RESULTS Propranolol solubility was significantly greater in microemulsions vs PBS. Cumulative drug release from the microemulsions over 24 h ranged from 13 to 26%. Skin concentrations and drug permeation through intact skin was significantly higher from PBS; however, the skin-to-receiver ratios were significantly higher for water-rich microemulsions compared to PBS or surfactant-rich microemulsions. Microneedle pretreatment significantly increased skin concentrations for all formulations. Skin-to-receiver ratios significantly increased after microneedle pretreatment for surfactant-rich microemulsions. CONCLUSIONS Microemulsion formulation can be altered to elicit different drug delivery profiles through MN-treated skin. This could be advantageous for maximizing local skin drug concentrations and improving dosing schedules for infantile hemangioma treatment.
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Ganti SS, Nguyen HX, Murnane KS, Blough BE, Banga AK. Transdermal formulation of 4-benzylpiperidine for cocaine-use disorder. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.07.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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The Influence of Formulation and Excipients on Propranolol Skin Permeation and Retention. BIOMED RESEARCH INTERNATIONAL 2018; 2018:1281673. [PMID: 30175113 PMCID: PMC6098925 DOI: 10.1155/2018/1281673] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 06/13/2018] [Accepted: 07/17/2018] [Indexed: 11/18/2022]
Abstract
The objective of this work was to study in vitro propranolol permeation and skin retention after topical application of different semisolid vehicles, with the final aim of developing new topical formulations intended for the treatment of infantile hemangioma, able to produce therapeutic drug levels in the skin, avoiding systemic absorption. Propranolol ointments, creams, and gels were prepared and tested on pig skin, an accepted model of human skin. From the results obtained in the present work it is clear that the permeation of propranolol across the skin is a poor predictor of its skin retention, at least in the time-frame considered. With an application time of 4 h, reasonably close to the permanence time of a semisolid formulation on the skin surface, the best performance (high retention and low skin penetration) was obtained with lipophilic formulations, in particular with a lipophilic cream containing olive oil. Hydrophilic formulations, such as gels, are characterized by a significant permeation across the skin, probably leading to systemic side effects, accompanied by a limited skin retention. Overall, the results obtained in the present work pose the basis for the development of new topical formulations, containing propranolol, with better performance and reduced systemic absorption.
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Ex vivo human skin permeation of methylchloroisothiazolinone (MCI) and methylisothiazolinone (MI). Arch Toxicol 2017; 91:3529-3542. [DOI: 10.1007/s00204-017-1978-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 04/27/2017] [Indexed: 10/19/2022]
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12
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Marto J, Ascenso A, Gonçalves LM, Gouveia LF, Manteigas P, Pinto P, Oliveira E, Almeida AJ, Ribeiro HM. Melatonin-based pickering emulsion for skin's photoprotection. Drug Deliv 2016; 23:1594-607. [PMID: 26755411 DOI: 10.3109/10717544.2015.1128496] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
CONTEXT Based on its antioxidant activity, melatonin was recently found to have a protection effect against photocarcinogenesis. OBJECTIVE This work aimed to develop an innovative sunscreen formulation based on the Pickering emulsions concept, stabilized by physical UV filters, modified starch and natural oils associated to melatonin as a key strategy for prevention against UV-induced skin damage. MATERIALS AND METHODS For this purpose, melatonin was incorporated in Pickering emulsions that were characterized using physicochemical, in vitro and in vivo testing. Physicochemical studies included physical and chemical stability by a thorough pharmaceutical control. The possible protective effects of melatonin against UV-induced cell damage in HaCaT cell lines were investigated in vitro. The safety assessment and the in vivo biological properties of the final formulations, including Human Repeat Insult Patch Test and sunscreen water resistance tests were also evaluated. RESULTS AND DISCUSSION These studies demonstrated that melatonin sunscreen Pickering emulsion was beneficial and presented a powerful protection against UVB-induced damage in HaCat cells, including inhibition of apoptosis. The inclusion of zinc oxide, titanium dioxide, green coffee oil and starch ensured a high SPF (50+) against UVA and UVB. CONCLUSION The combination of melatonin, multifunctional solid particles and green coffee oil, contributed to achieve a stable, effective and innovative sunscreen with a meaningful synergistic protection against oxidative stress.
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Affiliation(s)
- Joana Marto
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Andreia Ascenso
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Lídia M Gonçalves
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Luís F Gouveia
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Patrícia Manteigas
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Pedro Pinto
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | | | - António J Almeida
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
| | - Helena M Ribeiro
- a Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon , Portugal and
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Hamed R, Basil M, AlBaraghthi T, Sunoqrot S, Tarawneh O. Nanoemulsion-based gel formulation of diclofenac diethylamine: design, optimization, rheological behavior and in vitro diffusion studies. Pharm Dev Technol 2015; 21:980-989. [PMID: 26369621 DOI: 10.3109/10837450.2015.1086372] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Chronic oral administration of the non-steroidal anti-inflammatory drug, diclofenac diethylamine (DDEA), is often associated with gastrointestinal ulcers and bleeding. As an alternative to oral administration, a nanoemulsion-based gel (NE gel) formulation of DDEA was developed for topical administration. An optimized formulation for the o/w nanoemulsion of oil, surfactant and cosurfactant was selected based on nanoemulsion mean droplet size, clarity, stability, and flowability, and incorporated into the gelling agent Carbopol® 971P. Rheological studies of the DDEA NE gel were conducted and compared to those of conventional DDEA gel and emulgel. The three gels exhibited an elastic behavior, where G' dominated G″ at all frequencies, indicating the formation of strong gels. NE gel exhibited higher G' values than conventional gel and emulgel, which indicated the formation of a stronger gel network. Strat-M® membrane, a synthetic membrane with diffusion characteristics that are well correlated to human skin, was used for the in vitro diffusion studies. The release of DDEA from conventional gel, emulgel and NE gel showed a controlled release pattern over 12 h, which was consistent with the rheological properties of the gels. DDEA release kinetics from the three gels followed super case II transport as fitted by Korsmeyer-Peppas model.
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Affiliation(s)
- Rania Hamed
- a Department of Pharmacy, Faculty of Pharmacy , Al-Zaytoonah University of Jordan , Amman , Jordan
| | - Marwa Basil
- a Department of Pharmacy, Faculty of Pharmacy , Al-Zaytoonah University of Jordan , Amman , Jordan
| | - Tamadur AlBaraghthi
- a Department of Pharmacy, Faculty of Pharmacy , Al-Zaytoonah University of Jordan , Amman , Jordan
| | - Suhair Sunoqrot
- a Department of Pharmacy, Faculty of Pharmacy , Al-Zaytoonah University of Jordan , Amman , Jordan
| | - Ola Tarawneh
- a Department of Pharmacy, Faculty of Pharmacy , Al-Zaytoonah University of Jordan , Amman , Jordan
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Grives S, Phan G, Morat G, Suhard D, Rebiere F, Fattal E. Ex Vivo Uranium Decontamination Efficiency on Wounded Skin and In Vitro Skin Toxicity of a Calixarene-Loaded Nanoemulsion. J Pharm Sci 2015; 104:2008-2017. [DOI: 10.1002/jps.24431] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2014] [Revised: 02/16/2015] [Accepted: 03/03/2015] [Indexed: 11/09/2022]
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Formulation design for topical drug and nanoparticle treatment of skin disease. Ther Deliv 2015; 6:197-216. [PMID: 25690087 DOI: 10.4155/tde.14.106] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The skin has evolved to resist the penetration of foreign substances and particles. Topical therapeutic and cosmeceutical delivery is a growing field founded on selectively overcoming this barrier. Both the biology of the skin and the nature of the formulation/active ingredient must be aligned for efficient transcutaneous delivery. This review discusses the biological changes in the skin barrier that occur with common dermatological conditions. This context is the foundation for the discussion of formulation strategies to improve penetration profiles of common active ingredients in dermatology. Finally, we compare and contrast those approaches to recent advances described in the research literature with an eye toward the future of topical formulation design.
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Iino H, Fujii M, Fujino M, Koizumi N, Watanabe Y. Penetration of Ufenamate into Intact, Stripped, or Delipidized Skin Using Different Vehicles. Biol Pharm Bull 2015; 38:1645-8. [DOI: 10.1248/bpb.b15-00267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hayato Iino
- Department of Pharmaceutics and Biopharmaceutics, Showa Pharmaceutical University
- Research and Development Department, Yuskin Pharmaceutical Co., Ltd
| | - Makiko Fujii
- Department of Pharmaceutics and Biopharmaceutics, Showa Pharmaceutical University
| | - Manami Fujino
- Department of Pharmaceutics and Biopharmaceutics, Showa Pharmaceutical University
| | - Naoya Koizumi
- Department of Pharmaceutics and Biopharmaceutics, Showa Pharmaceutical University
| | - Yoshiteru Watanabe
- Department of Pharmaceutics and Biopharmaceutics, Showa Pharmaceutical University
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