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Alhelal HM, Mehta S, Kadian V, Kakkar V, Tanwar H, Rao R, Aldhubiab B, Sreeharsha N, Shinu P, Nair AB. Solid Lipid Nanoparticles Embedded Hydrogels as a Promising Carrier for Retarding Irritation of Leflunomide. Gels 2023; 9:576. [PMID: 37504455 PMCID: PMC10379097 DOI: 10.3390/gels9070576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/02/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
Leflunomide (LEF), a disease-modifying anti-rheumatic drug, has been widely explored for its anti-inflammatory potential in skin disorders such as psoriasis and melanoma. However, its poor stability and skin irritation pose challenges for topical delivery. To surmount these issues, LEF-loaded solid lipid nanoparticles (SLNs) integrated with hydrogels have been developed in the present investigation. SLNs developed by microemulsion techniques were found ellipsoidal with 273.1 nm particle size and -0.15 mV zeta potential. Entrapment and total drug content of LEF-SLNs were obtained as 65.25 ± 0.95% and 93.12 ± 1.72%, respectively. FTIR and XRD validated the successful fabrication of LEF-SLNs. The higher stability of LEF-SLNs (p < 0.001) compared to pure drug solution was observed in photostability studies. Additionally, in vitro anti-inflammatory activity of LEF-SLNs showed good potential in comparison to pure drugs. Further, prepared LEF-SLNs loaded hydrogel showed ideal rheology, texture, occlusion, and spreadability for topical drug delivery. In vitro release from LEF-SLN hydrogel was found to follow the Korsmeyer-Peppas model. To assess the skin safety of fabricated lipidic formulation, irritation potential was performed employing the HET-CAM technique. In conclusion, the findings of this investigation demonstrated that LEF-SLN hydrogel is capable of enhancing the photostability of the entrapped drug while reducing its skin irritation with improved topical delivery characteristics.
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Affiliation(s)
- Hawra Mohammed Alhelal
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Sidharth Mehta
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar 125001, India
| | - Varsha Kadian
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar 125001, India
| | - Vandita Kakkar
- Department of Pharmaceutics, University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Himanshi Tanwar
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar 125001, India
| | - Rekha Rao
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar 125001, India
| | - Bandar Aldhubiab
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Pharmaceutics, Vidya Siri College of Pharmacy, Off Sarjapura Road, Bangalore 560035, India
| | - Pottathil Shinu
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Anroop B Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
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Promising prospects of lipid-based topical nanocarriers for the treatment of psoriasis. OPENNANO 2023. [DOI: 10.1016/j.onano.2023.100123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Kadian V, Dalal P, Kumar S, Kapoor A, Rao R. Comparative evaluation of dithranol-loaded nanosponges fabricated by solvent evaporation technique and melt method. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2023. [DOI: 10.1186/s43094-023-00461-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Abstract
Background
Dithranol, a standard drug for psoriasis, has lured keen attention by virtue of its antioxidant, anti-proliferative and anti-inflammatory activities. However, its poor stability and solubility critically impair the formulation design, evaluation and administration. To improve these issues, dithranol was encased in β-cyclodextrin nanosponges using solvent evaporation technique. Previously, nanosponges containing dithranol were developed in our laboratory using melt technique. Herein, a comparison of nanosponges prepared by both techniques was also included.
Results
Different nanosponge batches were engineered using diphenyl carbonate as cross-linker with β-cyclodextrin as polymer employing solvent evaporation technique. Dithranol was loaded in nanosponges via lyophilization. Fourier transform infrared spectroscopy, differential scanning colorimeter and powdered X-ray diffraction studies confirmed successful encapsulation and complexation of this drug in β-cyclodextrin nanosponges. The effect of a variable amount of cross-linker on the solubility, encapsulation efficiency, zeta potential, particle size and polydispersity index was evaluated in fabricated nanocarriers. Further, β-cyclodextrin nanosponge batches were subjected to solubility studies, photostability examination and antioxidant activity analysis and compared with previously prepared dithranol-loaded nanosponges. From the present studies results, it was concluded that dithranol-loaded nanosponges using solvent evaporation technique not only improved solubility and photostability but also preserved the antioxidant efficacy of the chosen drug.
Conclusion
The overall results emphasized moral guidance concerning encapsulation, evaluation and characterization and accredited dithranol solubilization, photostability and antioxidant potential. However, solvent evaporation and melt method are easy and promising methods to fabricate nanosponges for dithranol. This comparative study demonstrated the parameters which were affected by chosen techniques. Further, from the results of present studies, it was concluded that the formulation scientists should select the preparation technique based on the objective of their research work and requirement of desired features.
Graphical abstract
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KAWABATA K, NISHI H. Evaluation of Photostability of Medicines and Development of the Photostabilization of the Photosensitive Medicines. CHROMATOGRAPHY 2023. [DOI: 10.15583/jpchrom.2022.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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Zhang M, Hong S, Sun X, Zhou Y, Luo Y, Liu L, Wang J, Wang C, Lin N, Li X. Exploration of and insights into advanced topical nanocarrier systems for the treatment of psoriasis. Front Med (Lausanne) 2022; 9:1017126. [PMID: 36590975 PMCID: PMC9797688 DOI: 10.3389/fmed.2022.1017126] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Psoriasis is a chronic inflammatory skin disease with an underlying autoimmune pathogenesis that has brought great distress to patients. Current treatment options include topical therapy, systemic therapy, and phototherapy. By disrupting the stratum corneum, nanocarriers have unique advantages in allowing drug carriers to be tailored to achieve targeted drug delivery, improve efficacy, and minimize adverse effects. Furthermore, despite their limited success in market translatability, nanocarriers have been extensively studied for psoriasis, owing to their excellent preclinical results. As topical formulations are the first line of treatment, utilize the safest route, and facilitate a targeted approach, this study, we specifically describes the management of psoriasis using topical agents in conjunction with novel drug delivery systems. The characteristics, advantages, weaknesses, and mechanisms of individual nanocarriers, when applied as topical anti-psoriatic agents, were reviewed to distinguish each nanocarrier.
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Affiliation(s)
- Miao Zhang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Seokgyeong Hong
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoying Sun
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Yaqiong Zhou
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Ying Luo
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Liu Liu
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Jiao Wang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Chunxiao Wang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Naixuan Lin
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Xin Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China,*Correspondence: Xin Li,
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Therapeutic Textiles Functionalized with Keratin-Based Particles Encapsulating Terbinafine for the Treatment of Onychomycosis. Int J Mol Sci 2022; 23:ijms232213999. [PMID: 36430474 PMCID: PMC9699589 DOI: 10.3390/ijms232213999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Onychomycosis is the most common nail fungal infection worldwide. There are several therapy options available for onychomycosis, such as oral antifungals, topicals, and physical treatments. Terbinafine is in the frontline for the treatment of onychomycosis; however, several adverse effects are associated to its oral administration. In this work, innovative keratin-based carriers encapsulating terbinafine were designed to overcome the drawbacks related to the use this drug. Therapeutic textiles functionalized with keratin-based particles (100% keratin; 80% keratin/20% keratin-PEG) encapsulating terbinafine were developed. The controlled release of terbinafine from the functionalized textiles was evaluated against different mimetic biologic solutions (PBS buffer-pH = 7.4, micellar solution and acidic sweat solution-pH = 4.3). The modification of keratin with polyethylene glycol (PEG) moieties favored the release of terbinafine at the end of 48 h for all the solution conditions. When the activity of functionalized textiles was tested against Trichophyton rubrum, a differentiated inhibition was observed. Textiles functionalized with 80% keratin/20% keratin-PEG encapsulating terbinafine showed a 2-fold inhibition halo compared with the textiles containing 100% keratin-encapsulating terbinafine. No activity was observed for the textiles functionalized with keratin-based particles without terbinafine. The systems herein developed revealed therapeutic potential towards nail fungal infections, taking advantage of keratin-based particles affinity to keratin structures and of the keratinase activity of T. rubrum.
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Mascarenhas-Melo F, Carvalho A, Beatriz S. Gonçalves M, Cláudia Paiva-Santos A, Veiga F. Nanocarriers for the topical treatment of psoriasis - pathophysiology, conventional treatments, nanotechnology, regulatory and toxicology. Eur J Pharm Biopharm 2022; 176:95-107. [DOI: 10.1016/j.ejpb.2022.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/24/2022] [Accepted: 05/17/2022] [Indexed: 11/24/2022]
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Parveen S, Ahmed M, Baboota S, Ali J. An Innovative Approach In Nanotechnology-Based Delivery System For The Effective Management Of Psoriasis. Curr Pharm Des 2022; 28:1082-1102. [PMID: 35105284 DOI: 10.2174/1381612828666220201141915] [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: 07/29/2021] [Accepted: 12/30/2021] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Psoriasis is an ineradicable, non-contagious inflammatory autoimmune skin disorder exhibiting abnormal redness of the skin and flaky patches which affect the exposed body surface. It is caused by negative signals produced by the immune system, leading to excessive growth and differentiation of keratinocytes and other inflammatory reactions on the skin. The topical route is primarily preferred in treating skin disorders due to the smaller size of the drug molecule, which allows them to cross the outer layer of the skin, i.e., stratum corneum, and permeate into the deep layer, unlike transdermal and other routes. The conventional topical treatments used in the past, such as coal tar, and dithranol leads to meager patient compliance due to decreased potency, and imperfect aesthetic. In contrast, systemic therapy such as methotrexate, cyclosporine, and acitretin produce related side effects. At present, various novel carriers like liposomes, ethosomes, niosomes, nanostructured lipid carriers, etc., have shown promising results to treat psoriasis. Therefore, this review primarily concentrates on the current advancements in novel carriers for various drugs to treat psoriasis topically. Area covered: The objective of this review describes the detailed study such as pathophysiology, epidemiology, types, causes, diagnosis, and topical treatment options for psoriasis, as well as the role of the nanotechnology-based delivery system to manage psoriasis.
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Affiliation(s)
- Shaheen Parveen
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Musheer Ahmed
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Sanjula Baboota
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Javed Ali
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
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Rampelotto CR, Pereira VG, da Silva Silveira L, Rossato A, Machado AK, Sagrillo MR, Gündel A, Burger ME, Schaffazick SR, de Bona da Silva C. Ferulic acid-loaded nanocapsules: Evaluation of mucosal interaction, safety and antioxidant activity in human mononucleated cells. Toxicol In Vitro 2021; 78:105259. [PMID: 34666174 DOI: 10.1016/j.tiv.2021.105259] [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: 04/09/2021] [Revised: 09/17/2021] [Accepted: 10/10/2021] [Indexed: 11/17/2022]
Abstract
Ferulic acid (FA) is a phenolic compound that has antioxidant, anti-inflammatory and anticarcinogenic properties besides presenting cytoprotective activity. It has limited oral bioavailability what is a challenge to its therapeutic application. In this way, this investigation aimed to develop FA-loaded nanocapsule suspensions (NC-FA) prepared with ethylcellulose and evaluate their in vitro release profile, mucoadhesion and irritation potential; scavenging capacity, cytotoxicity, cytoprotection and genoprotection against hydrogen peroxide-induced damage in hMNC (human Mononucleated Cells) culture. The nanocapsules presented physicochemical characteristics compatible with colloidal systems (NC-FA: 112 ± 3 nm; NC-B (without FA): 107 ± 3 nm; PdI < 0.2; Span<2.0 and negative zeta potential). In addition, the nanoparticulate system promoted the FA controlled release, increasing the half-life twice through the in vitro dialysis method. NC-FA and NC-B were able to interact with mucin, which is an indicative of mucoadhesive properties and the association of FA with nanocapsules showed decreased irritation by HET-CAM method. Besides, the NC-FA did not present cytotoxicity in hMNC and improved the ATBS radical scavenging capacity. Besides, it prevented, treated and reversed oxidative conditions in a H2O2-induced model in hMNC. Thus, this nanocarrier formulation is promising to perform more preclinical investigations focusing on diseases involving oxidative mechanisms.
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Affiliation(s)
- Camila Reck Rampelotto
- Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Viviane Gonçalves Pereira
- Departamento de Farmácia Industrial, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | | | - Aline Rossato
- Programa de Pós-graduação em Nanociências, Universidade Franciscana, Santa Maria, RS, Brazil
| | | | - Michele Rorato Sagrillo
- Programa de Pós-graduação em Nanociências, Universidade Franciscana, Santa Maria, RS, Brazil
| | | | - Marilise Escobar Burger
- Programa de Pós-Graduação em Farmacologia, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Scheila Rezende Schaffazick
- Departamento de Farmácia Industrial, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Cristiane de Bona da Silva
- Programa de Pós-graduação em Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; Departamento de Farmácia Industrial, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
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Mohd Nordin UU, Ahmad N, Salim N, Mohd Yusof NS. Lipid-based nanoparticles for psoriasis treatment: a review on conventional treatments, recent works, and future prospects. RSC Adv 2021; 11:29080-29101. [PMID: 35478537 PMCID: PMC9038133 DOI: 10.1039/d1ra06087b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 08/19/2021] [Indexed: 12/19/2022] Open
Abstract
Psoriasis is a lingering inflammatory skin disease that attacks the immune system. The abnormal interactions between T cells, immune cells, and inflammatory cytokines causing the epidermal thickening. International guidelines have recommended topical treatments for mild to moderate psoriasis whilst systemic and phototherapy treatments for moderate to severe psoriasis. However, current therapeutic approaches have a wider extent to treat moderate to severe type of psoriasis especially since the emergence of diverse biologic agents. In the meantime, topical delivery of conventional treatments has prompted many unsatisfactory effects to penetrate through the skin (stratum corneum). By understanding the physiology of stratum corneum barrier functions, scientists have developed different types of lipid-based nanoparticles like solid lipid nanoparticles, nanostructured lipid carriers, nanovesicles, and nanoemulsions. These novel drug delivery systems help the poorly solubilised active pharmaceutical ingredient reaches the targeted site seamlessly because of the bioavailability feature of the nanosized molecules. Lipid-based nanoparticles for psoriasis treatments create a paradigm for topical drug delivery due to their lipids' amphiphilic feature to efficiently encapsulate both lipophilic and hydrophilic drugs. This review highlights different types of lipid-based nanoparticles and their recent works of nano formulated psoriasis treatments. The encapsulation of psoriasis drugs through lipid nanocarriers unfold numerous research opportunities in pharmaceutical applications but also draw challenges for the future development of nano drugs.
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Affiliation(s)
- Ummu Umaimah Mohd Nordin
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia +603-79674193 +603-79674008
| | - Noraini Ahmad
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia +603-79674193 +603-79674008
| | - Norazlinaliza Salim
- Integrated Chemical Biophysics Research, Faculty of Science, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
| | - Nor Saadah Mohd Yusof
- Department of Chemistry, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia +603-79674193 +603-79674008
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Zhao Z, Liu T, Zhu S, Pi J, Guo P, Qi D, Liu Z, Li N. Natural medicine combined with nanobased topical delivery systems: a new strategy to treat psoriasis. Drug Deliv Transl Res 2021; 12:1326-1338. [PMID: 34287767 DOI: 10.1007/s13346-021-01031-3] [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] [Accepted: 07/12/2021] [Indexed: 12/23/2022]
Abstract
Psoriasis, an autoimmune inflammatory skin disorder, is one of the commonest immune-mediated disease conditions affecting individuals globally. At the moment, the conventional methods applied against psoriasis treatment have various drawbacks involving limited efficacy, skin irritation, immunosuppression, etc. Therefore, it is important for scientists to find a more potent and alternative drug approach towards psoriasis therapeutics. Natural medicine still remains an important source for new drug discovery due to its therapeutical significance in various drug administration routes. However, the traditional formulation of topical therapies for psoriasis is limited in efficacy, which limits the use of natural medicine. Based on the aforementioned limitations, the use of nanocarriers in preparation of these topical herbal products could be tremendously beneficial in enhancing the efficacy of topical medications. Growing pieces of evidence have proposed that the utilization of nanocarriers in transdermal preparation as a prospective technique, with regards to better potency, directs drug absorption to site of action, and minimum toxicity effect respectively. In the course of this review, we emphasized the pathological mechanism of psoriasis, natural medicine formula, active components of natural medicine, and nanopreparations used in the treatment of psoriasis.
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Affiliation(s)
- Zhiyue Zhao
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China.,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Tao Liu
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China
| | - Shan Zhu
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China
| | - Jiaxin Pi
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China.,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Pan Guo
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China.,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Dongli Qi
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China.,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Zhidong Liu
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China. .,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
| | - Nan Li
- State Key Laboratory of Component Natural Medicine, Tianjin University of Traditional Chinese Medicine, 88 Yuquan Road, Tianjin, 301617, China. .,Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
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Sunil A, Shaheed G, Reddy AJ, Nawathey N, Brahmbhatt H. A Review on the Role of Ethylenediaminetetraacetic Acid (EDTA) in the Treatment and Understanding of Psoriasis. Cureus 2021; 13:e16424. [PMID: 34277313 PMCID: PMC8284412 DOI: 10.7759/cureus.16424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2021] [Indexed: 12/21/2022] Open
Abstract
Psoriasis is a long-term, autoimmune inflammatory condition characterized by red, scaly plaques that can range from a few patches to total skin coverage. Over the past 60 years, and more recently, the metal-chelating agent ethylenediaminetetraacetic acid (EDTA) has proven increasingly useful in the treatment and understanding of psoriasis and related conditions. This review will analyze the current role and effectiveness of EDTA in clinical and non-clinical studies designed to improve the diagnosis and treatment of psoriasis in patients. Currently, EDTA demonstrates great medical benefit in the treatment of psoriasis as an antioxidant and as an inhibitor of beta-lipoprotein production. EDTA additionally functions well in research applications due to its ability to maintain red blood cell structural integrity. The authors find that the perceived impact of EDTA in the understanding and combating of psoriasis to be greatly underestimated and is therefore in need of increased awareness and attention by healthcare professionals, dermatologists, and clinical researchers.
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Affiliation(s)
- Amreen Sunil
- Dermatology, California Northstate University College of Medicine, Elk Grove, USA
| | - Gurneet Shaheed
- Integrative Medicine, University of California, Los Angeles (UCLA), Los Angeles, USA
| | - Akshay J Reddy
- Opthalmology, California Northstate University College of Medicine, Elk Grove, USA
| | - Neel Nawathey
- Dermatology, California Northstate University, Rancho Cordova, USA
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Mahant S, Rao R, Souto EB, Nanda S. Analytical tools and evaluation strategies for nanostructured lipid carrier-based topical delivery systems. Expert Opin Drug Deliv 2021; 17:963-992. [PMID: 32441158 DOI: 10.1080/17425247.2020.1772750] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
INTRODUCTION The inception of nanostructured lipid carriers (NLCs) proved to be a revolutionary step toward the treatment of dermatological disorders. To uncover its true potential, it is imperative that the system be characterized and evaluated comprehensively. AREAS COVERED The present review has been written to furnish an in-depth account of analytical tools and evaluation procedures under one roof. Besides discussing the challenges of topical delivery and benefits of NLCs, the paper elaborates on their physicochemical characterization. Further, in vitro evaluation of NLCs for dermatological benefits, followed by their evaluation in a hydrogel/cream base is covered. Lastly, disease-specific evaluation of NLC-based formulations is presented. EXPERT OPINION The research endeavors for NLCs have largely focused on the fabrication of NLCs for different bioactives. However, scientific efforts should be aimed toward the lesser explored realm of NLCs, i.e. exploitation of analytical techniques, such as Parelectric spectroscopy, Electron Spin Resonance, and Nuclear Magnetic Resonance spectroscopy. NLCs have been proven for their potential to foster the therapeutic modalities applicable to cutaneous disorders. More attention needs to be devoted to their evaluation for disease-specific parameters. The futuristic steps must involve clinical studies, to lay the path for their commercialization.
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Affiliation(s)
- Sheefali Mahant
- Department of Pharmaceutical Sciences, Maharshi Dayanand University , Rohtak, Haryana, India
| | - Rekha Rao
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology , Haryana, India
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, Coimbra, Portugal.,CEB-Centre of Biological Engineering, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Sanju Nanda
- Department of Pharmaceutical Sciences, Maharshi Dayanand University , Rohtak, Haryana, India
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Kadian V, Kumar S, Saini K, Kakkar V, Rao R. Dithranol: An Insight into its Novel Delivery Cargos for Psoriasis Management. Curr Drug Res Rev 2020; 12:82-96. [PMID: 32484107 DOI: 10.2174/2589977512666200525154954] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Dithranol (DTH) is a well-known moiety that has long been used promisingly to impede and treat skin disorders, particularly psoriasis. Nowadays, a rekindled interest in the use of DTH for this disorder has been observed. Side effects associated with conventional topical formulations of this moiety have aroused the interest of the scientific community in investigating novel cargos of DTH for psoriasis management. RESULTS Previous research has evidenced the anti-inflammatory and anti-proliferating potential of DTH. Numerous studies have indicated that DTH inhibits polymorphonuclear (PMN) leucocyte, modulates epidermal cell receptors and promotes anti-psoriatic action. However, some deterrent factors like poor solubility, stability, toxicity, staining and skin irritation hamper its use as a potential therapeutic agent. With the adoption of novel drug delivery technologies, the above mentioned inherent limitations of DTH have been compensated to reestablish this drug moiety. CONCLUSION This article reviews novel drug delivery aspects, safety concerns, clinical evidence, current status, and future opportunities of DTH in the management of psoriasis. Further, it will update researchers on this promising drug moiety, which is free from systemic adverse responses in comparison to other therapeutic molecules like steroids, for psoriasis treatment.
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Affiliation(s)
- Varsha Kadian
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar-125001, Haryana, India
| | - Sunil Kumar
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar-125001, Haryana, India
| | - Komal Saini
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, India
| | - Vandita Kakkar
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh-160014, India
| | - Rekha Rao
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar-125001, Haryana, India
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Gellan gum-based hydrogel containing nanocapsules for vaginal indole-3-carbinol delivery in trichomoniasis treatment. Eur J Pharm Sci 2020; 151:105379. [PMID: 32473199 DOI: 10.1016/j.ejps.2020.105379] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 04/22/2020] [Accepted: 05/13/2020] [Indexed: 12/21/2022]
Abstract
Trichomonas vaginalis infection is the STI most common worldwide. Indole-3-carbinol (I3C) is a phytochemical presenting promising biological activities. In this study, design, formulation, and evaluation of a vaginal hydrogel containing I3C-loaded nanocapsules for the treatment of trichomoniasis have been investigated. Nanocapsules of Eudragit® RS100 and rosehip oil containing I3C (NC-I3C) were prepared by interfacial deposition of preformed polymer method. In vitro evaluations showed that free I3C (IC50 = 3.36 µg/mL) was able to reduce the trophozoites viability at higher concentrations (3.13 and 6.25 µg/mL), while nanoencapsulation (IC50 = 2.09 µg/mL) reduced the viability at all concentrations evaluated. Comparing free and nanoencapsulated I3C, we observe that nanoencapsulation improved anti-T. vaginalis activity. In order to obtain a formulation for vaginal administration, hydrogels (HG-NC-I3C) were prepared by thickening the NC-I3C with gellan gum. HG-NC-I3C presented particle size below 195 nm, low polydispersity index (<0.2), I3C content = 0.50 ± 0.01 mg/g, pH = 7.05, non-Newtonian pseudoplastic flow behavior and exhibited mucoadhesion to cow's vaginal mucosa. Evaluation of irritation potential by chorioallantoic membrane method indicated that the formulations are considered non-irritating. Besides that, permeation through the cow's vaginal mucosa showed that nanoencapsulation promoted I3C controlled release. This way, the developed HG-NC-I3C can be considered a promising approach for trichomoniasis treatment through vaginal administration.
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Fathalla D, Youssef EMK, Soliman GM. Liposomal and Ethosomal Gels for the Topical Delivery of Anthralin: Preparation, Comparative Evaluation and Clinical Assessment in Psoriatic Patients. Pharmaceutics 2020; 12:E446. [PMID: 32403379 PMCID: PMC7285224 DOI: 10.3390/pharmaceutics12050446] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/29/2020] [Accepted: 05/08/2020] [Indexed: 12/13/2022] Open
Abstract
To enhance anthralin efficacy against psoriasis and reduce its notorious side effects, it was loaded into various liposomal and ethosomal preparations. The nanocarriers were characterized for drug encapsulation efficiency, size, morphology and compatibility between various components. Optimum formulations were dispersed in various gel bases and drug release kinetics were studied. Clinical efficacy and safety of liposomal and ethosomal Pluronic®F-127 gels were evaluated in patients having psoriasis (clinicaltrials.gov identifier is NCT03348462). Safety was assessed by recording various adverse events. Drug encapsulation efficiency ≥97.2% and ≥77% were obtained for liposomes and ethosomes, respectively. Particle sizes of 116 to 199 nm and 146 to 381 nm were observed for liposomes and ethosomes, respectively. Fourier-Transform infrared (FT-IR) spectroscopy and differential scanning calorimetry (DSC) studies confirmed the absence of interaction between anthralin and various nanocarrier components. Tested gel bases showed excellent ability to sustain drug release. At baseline, the patients had a median Psoriasis Area and Severity Index (PASI) of 3.4 for liposomes and 3.6 for ethosomes without significant difference. After treatment, mean PASI change was -68.66% and -81.84% for liposomes and ethosomes, respectively with a significant difference in favor of ethosomes. No adverse effects were detected in both groups. Anthralin ethosomes could be considered as a potential treatment of psoriasis.
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Affiliation(s)
- Dina Fathalla
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
| | - Eman M. K. Youssef
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Assiut University, Assiut 71526, Egypt;
| | - Ghareb M. Soliman
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
- Department of Pharmaceutics, Faculty of Pharmacy, University of Tabuk, Tabuk 47512, Saudi Arabia
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Current and Future Therapies for Psoriasis with a Focus on Serotonergic Drugs. Mol Neurobiol 2020; 57:2391-2419. [DOI: 10.1007/s12035-020-01889-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 02/03/2020] [Indexed: 12/11/2022]
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Michels LR, Maciel TR, Nakama KA, Teixeira FEG, de Carvalho FB, Gundel A, de Araujo BV, Haas SE. Effects of Surface Characteristics of Polymeric Nanocapsules on the Pharmacokinetics and Efficacy of Antimalarial Quinine. Int J Nanomedicine 2019; 14:10165-10178. [PMID: 32021159 PMCID: PMC6942527 DOI: 10.2147/ijn.s227914] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/25/2019] [Indexed: 01/06/2023] Open
Abstract
INTRODUCTION The surface charge of nanoparticles, such as nanospheres (NS) and nanocapsules (NC), has been studied with the purpose of improving the in vivo performance of drugs. The aim of this study was to develop, characterize, and evaluate the in vitro antimalarial efficacy of NCP80 and NSP80 (polysorbate coated) or NCEUD and NSEUD (prepared with Eudragit RS 100) loading quinine (QN). METHODS Formulations were prepared by the nanoprecipitation method, followed by wide physicochemical characterization. Antimalarial activity in Plasmodium berghei-infected mice and populational pharmacokinetics (PopPK) in rats were evaluated. RESULTS The formulations showed a nanometric range (between 138 ± 3.8 to 201 ± 23.0 nm), zeta potential (mV) of -33.1 ± 0.7 (NCP80), -30.5 ± 1 (UNCP80), -25.5 ± 1 (NSP80), -20 ± 0.3 (UNSP80), 4.61 ± 1 (NCEUD), 14.1 ± 0.9 (UNCEUD), 2.86 ± 0.3 (NSEUD) and 2.84 ± 0.6 (UNSEUD), content close to 100%, and good QN protection against UVA light. There was a twofold increase in the penetration of QN into infected erythrocytes with NC compared to that with NS. There was a significant increase in t1/2 for all NC evaluated compared to that of Free-QN, due to changes in Vdss. PopPK analysis showed that NCP80 acted as a covariate to Q (intercompartmental clearance) and V2 (volume of distribution in the peripheral compartment). For NCEUD, V1 and Q were modified after QN nanoencapsulation. Regarding in vivo efficacy, NCEUD increased the survival of mice unlike Free-QN. CONCLUSION Cationic nanocapsules modified the pharmacology of QN, presenting a potential alternative for malaria treatment.
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Affiliation(s)
- Luana Roberta Michels
- Pharmaceutical Sciences Post Graduate Program, Pharmacy Course, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Tamara Ramos Maciel
- Pharmaceutical Sciences Post Graduate Program, Pharmacy Course, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Kelly Ayumi Nakama
- Pharmaceutical Sciences Post Graduate Program, Pharmacy Course, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | | | - Felipe Barbosa de Carvalho
- Pharmaceutical Sciences Post Graduate Program, Pharmacy Course, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - André Gundel
- Campus Bagé, Federal University of Pampa, UNIPAMPA, Bagé, RS1650, Brazil
| | - Bibiana Verlindo de Araujo
- Pharmaceutical Sciences Post Graduate Program, College of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS2752, Brazil
| | - Sandra Elisa Haas
- Pharmaceutical Sciences Post Graduate Program, Pharmacy Course, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
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Damiani G, Pacifico A, Linder DM, Pigatto PDM, Conic R, Grada A, Bragazzi NL. Nanodermatology-based solutions for psoriasis: State-of-the art and future prospects. Dermatol Ther 2019; 32:e13113. [PMID: 31600849 DOI: 10.1111/dth.13113] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 10/04/2019] [Indexed: 12/24/2022]
Abstract
Nanodermatology is an emerging, multidisciplinary science, arising from the convergence of nanotechnology, pharmacology, physics/biophysics, chemistry/biochemistry, chemical engineering, material science, and clinical medicine. Nanodermatology deals with (a) skin biology, anatomy, and physiology at the nanoscale ("skin nanobiology"), (b) diagnosis performed by means of novel diagnostic devices, assisted by nanobiotechnologies ("nanodiagnosis"), and (c) treatment through innovative therapeutic agents, including phototherapy ("photonanotherapy"/"photonanodermatology") and systemic/topical drug administration ("nanotherapy") at the nanoscale, and drug delivery-such as transdermal or dermal drug delivery (TDDD/DDD)-enhanced and improved by nanostructures and nanodrugs ("nanodrug delivery"). Nanodermatology, as a super-specialized branch of dermatology, is a quite recent specialty: the "Nanodermatology Society" founded by the eminent dermatologist Dr. Adnan Nasir, was established in 2010, with the aim of bringing together different stakeholders, including dermatologists, nanotechnology scientists, policy-makers and regulators, as well as students and medical residents. Psoriasis has a prevalence of 2-3% worldwide and imposes a severe clinical and societal burden. Nanodermatology-based solutions appear promising for the proper treatment and management of psoriasis, assisting and enhancing different steps of the process of health-care delivery: from the diagnosis to the therapeutics, paving the way for a personalized approach, based on the specific dysregulated biomarkers.
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Affiliation(s)
- Giovanni Damiani
- Young Dermatologists Italian Network (YDIN), Centro Studi GISED, Bergamo, Italy.,Clinical Dermatology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.,Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,Department of Dermatology, Case Western Reserve University, Cleveland, Ohio
| | | | | | - Paolo D M Pigatto
- Clinical Dermatology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.,Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Rosalynn Conic
- Department of Dermatology, Case Western Reserve University, Cleveland, Ohio
| | - Ayman Grada
- Department of Dermatology, Laboratory of Cutaneous Wound Healing, Boston University School of Medicine, Boston, Massachusetts
| | - Nicola L Bragazzi
- Postgraduate School of Public Health, Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
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20
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Protective Effect of Selected Antioxidants on Naproxen Photodegradation in Aqueous Media. Antioxidants (Basel) 2019; 8:antiox8100424. [PMID: 31547495 PMCID: PMC6826686 DOI: 10.3390/antiox8100424] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/20/2019] [Accepted: 09/21/2019] [Indexed: 11/16/2022] Open
Abstract
A photostabilization strategy is an important aspect of quality assurance for photosensitive compounds. This study focused on the photoprotective effects of selected antioxidants including the effect of L-ascorbic acid (AA) on naproxen (NX) photodegradation in aqueous media. NX degradation during ultraviolet light (UV) irradiation and the protective effects of selected antioxidants were monitored by high-performance liquid chromatography (HPLC). The addition of AA induced the suppression of NX photodegradation, although the protective effect disappeared after AA was degraded completely. The results of the evaluations on the photoprotective effects on NX photodegradation and antioxidative activities of AA and other antioxidants showed that the protective effects of antioxidants are dependent on reducing power and photostability under UV irradiation. In this experiment, quercetin (QU) is the most effective antioxidant on account of the residual rate of QU after UV irradiation and the antioxidative activity in the potential antioxidant (PAO) test was significantly higher compared to other antioxidants following the higher protective effect on NX photodegradation.
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Cardoso AM, de Oliveira EG, Coradini K, Bruinsmann FA, Aguirre T, Lorenzoni R, Barcelos RCS, Roversi K, Rossato DR, Pohlmann AR, Guterres SS, Burger ME, Beck RCR. Chitosan hydrogels containing nanoencapsulated phenytoin for cutaneous use: Skin permeation/penetration and efficacy in wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:205-217. [DOI: 10.1016/j.msec.2018.11.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 09/27/2018] [Accepted: 11/07/2018] [Indexed: 10/27/2022]
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Tripathi PK, Gorain B, Choudhury H, Srivastava A, Kesharwani P. Dendrimer entrapped microsponge gel of dithranol for effective topical treatment. Heliyon 2019; 5:e01343. [PMID: 30957038 PMCID: PMC6431737 DOI: 10.1016/j.heliyon.2019.e01343] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 12/31/2018] [Accepted: 03/11/2019] [Indexed: 01/09/2023] Open
Abstract
Dithranol is one of the important topical agents for the treatment of psoriasis, a chronic inflammatory skin disease with aberrant differentiation of keratinocytes. However, its application is troublesome and inconvenient because of its associated side effects, including staining, burning sensation, irritation, and necrotizing effect on the diseased cells as well as on the normal cells. The purpose of the current investigation was to explore the potential of poly(amido) amine (PAMAM) dendrimers in the topical delivery of dithranol through a novel microsponge based gel. Generation-4 (G4) dendrimers were incorporated into the microsponge based gel formulation by quasi-emulsion solvent diffusion method with varying concentration of polymers, and evaluated for the morphology of the formulation, encapsulation efficiency and skin irritation potential. Percentage yield of the formulation was found to be 66.28%, whereas encapsulation efficiency was ranged between 71.33% to 49.21%, and an average particle size was ranged between 28 ± 1.12 μm to 130 ± 1.01 μm. Surface morphology of developed microsponge was confirmed by scanning electron microscopy, revealed micro-porous nature. The optimized microsponge formulation was found to be stable and recorded non-irritant during cutaneous application of the experimental animals. Further, the pharmacokinetic outcomes of study were showed prolong penetration of the drug through the skin, equivalent to the marketed formulation of dithranol. Therefore, it could be conferred that the microsponge formulation of the PAMAM entrapped dithranol can produce prolonged efficacy without producing toxicities to the skin, and thus can effectively be projected in the treatment of diseases like psoriasis.
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Affiliation(s)
- Pushpendra Kumar Tripathi
- Department of Pharmaceutics, Rameshwaram Institute of Technology and Management, Sitapur Road, Lucknow, Uttar Pradesh, India
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya, 47500, Selengor, Malaysia
| | - Hira Choudhury
- Department of Pharmaceutical Technology, School of Pharmacy, International Medical University, Bukit Jalil 57000 Kuala Lumpur, Malaysia
| | - Ayushi Srivastava
- Department of Pharmaceutics, Rameshwaram Institute of Technology and Management, Sitapur Road, Lucknow, Uttar Pradesh, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
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Sathe P, Saka R, Kommineni N, Raza K, Khan W. Dithranol-loaded nanostructured lipid carrier-based gel ameliorate psoriasis in imiquimod-induced mice psoriatic plaque model. Drug Dev Ind Pharm 2019; 45:826-838. [PMID: 30764674 DOI: 10.1080/03639045.2019.1576722] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The aim of this study was to formulate nanostructured lipid carriers (NLCs) of dithranol-loaded in gel for ease of application and to evaluate its anti-psoriatic efficacy vis-a-vis conventional ointment formulation. SIGNIFICANCE This study will provide an insight about the use of nanocarriers, esp. NLCs loaded with dithranol for the effective treatment of psoriasis. METHODS Dithranol-loaded NLCs were prepared by hot melt homogenization method and characterized for particle size and percentage entrapment efficiency. The optimized NLCs were loaded into gel and evaluated for drug release, spreadability, rheological behavior, and staining. Anti-psoriatic efficacy of the NLC gel was evaluated in imiquimod (IMQ) induced psoriatic plaque model in comparison with prepared conventional ointment formulation (1.15% w/w dithranol). RESULTS NLCs were prepared with particle size below 300 nm, polydispersity index (PDI) below 0.3 and percentage entrapment efficiency of ∼100%. The prepared NLC gel was then compared with the ointment for drug release, staining property, and efficacy. Topical application of dithranol-loaded NLC gel on IMQ-induced psoriatic plaque model reduced the symptoms of psoriasis assessed by both Psoriasis area severity index (PASI) scoring and enzyme-linked immunosorbent assay. There was a significant reduction in disease severity and cytokines like Interleukins-17, 22, 23 and Tumor necrosis factor-α by the developed system in comparison to the negative control. CONCLUSIONS To conclude dithranol-loaded NLCs in gel base was efficacious in management of psoriasis at the same drug concentration and also offer less cloth staining to that of the ointment product.
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Affiliation(s)
- Priyadarshini Sathe
- a Department of Pharmaceutics , National Institute of Pharmaceutical Education & Research (NIPER) , Hyderabad , India
| | - Raju Saka
- a Department of Pharmaceutics , National Institute of Pharmaceutical Education & Research (NIPER) , Hyderabad , India
| | - Nagavendra Kommineni
- a Department of Pharmaceutics , National Institute of Pharmaceutical Education & Research (NIPER) , Hyderabad , India
| | - Kaisar Raza
- b Department of Pharmacy, School of Chemical Sciences and Pharmacy , Central University of Rajasthan , Ajmer , India
| | - Wahid Khan
- a Department of Pharmaceutics , National Institute of Pharmaceutical Education & Research (NIPER) , Hyderabad , India
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Pradhan M, Alexander A, Singh MR, Singh D, Saraf S, Saraf S, Ajazuddin. Understanding the prospective of nano-formulations towards the treatment of psoriasis. Biomed Pharmacother 2018; 107:447-463. [PMID: 30103117 DOI: 10.1016/j.biopha.2018.07.156] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 07/28/2018] [Accepted: 07/31/2018] [Indexed: 12/14/2022] Open
Abstract
Psoriasis is a consistently recurring, inflammatory, autoimmune disorder of the skin, affecting about 2-5% of the world population. Abundant therapeutic agents are accessible for the treatment of psoriasis. Nevertheless, none of them are entirely secure and effective to treat the disease without compromising patient compliance. Furthermore, already existing drugs are supposed to restrain the ailment and alleviate the sign and symptoms with no complete cure. However, they focus on restraining the disease and alleviating the symptoms without providing an absolute cure. Therefore there remains a vital challenge, to explore a new drug moiety or delivery system which could safely and effectively manage psoriasis without compromising patient compliance. Furthermore, conventional formulations offer reduced benefit/risk ratio of anti-psoriatic drugs, which limits the use of existing conventional formulations. Novel formulations based on nanocarriers are a promising prospect to overcome the limitation of conventional formulations by offering a reduction in dose, dosing frequency, dose-dependent, side effects with enhanced efficacy. Presently nano-formulations have gained widespread application for effective and safe treatment of psoriasis. The present review primarily focuses on conventional therapeutic strategy and recent advances in lipid-based, polymer-based and metallic nano-formulations of a variety of anti-psoriatic drugs. The practicability of various nanocarrier systems including liposomes, nanostructured lipid carriers, ethosomes, solid lipid nanoparticles, nanocapsules, micelles, dendrimers, gold nanoparticles and silver nanoparticles have been discussed in detail. The review also traces related patents to exemplify the role of various nanoparticles in psoriasis treatment. In a nutshell, nano-formulations remain established as a promising modality for treating psoriasis treatment as they propose better penetration, targeted delivery, enhanced safety, and efficacy.
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Affiliation(s)
- Madhulika Pradhan
- Rungta College of Pharmaceutical Sciences and Research, Kohka, Kurud Road, Bhilai, Chhattisgarh, 490024, India
| | - Amit Alexander
- Rungta College of Pharmaceutical Sciences and Research, Kohka, Kurud Road, Bhilai, Chhattisgarh, 490024, India
| | - Manju Rawat Singh
- University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 4920110, India
| | - Deependra Singh
- University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 4920110, India
| | - Swarnlata Saraf
- University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 4920110, India
| | - Shailendra Saraf
- University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, 4920110, India; Durg University, Govt. Vasudev Vaman Patankar Girls' P.G. College Campus, Raipur Naka, Durg, Chhattisgarh, 491001, India
| | - Ajazuddin
- Rungta College of Pharmaceutical Sciences and Research, Kohka, Kurud Road, Bhilai, Chhattisgarh, 490024, India.
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Chaves PDS, Frank LA, Frank AG, Pohlmann AR, Guterres SS, Beck RCR. Mucoadhesive Properties of Eudragit®RS100, Eudragit®S100, and Poly(ε-caprolactone) Nanocapsules: Influence of the Vehicle and the Mucosal Surface. AAPS PharmSciTech 2018; 19:1637-1646. [PMID: 29500762 DOI: 10.1208/s12249-018-0968-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 01/27/2018] [Indexed: 11/30/2022] Open
Abstract
The use of polymers as mucoadhesive materials has been explored in several drug delivery systems. It is well known that the resulting mucoadhesiveness not only depends on the polymers by themselves, but also on the way they are delivered and on the application target. However, little attention has been given to the combined effect of such characteristics. Therefore, the objective of this study is to analyze the mucoadhesion resulting from combined effects of nanocapsules produced with polymers of different ionic properties, Eudragit®RS100, Eudragit®S100, or poly(ε-caprolactone), when they are incorporated into different vehicles (suspension, hydrogel, and powder) and applied on different mucosal surfaces (mucin, porcine vaginal, and buccal mucosa). Mucoadhesion was measured by a tensile stress tester. Our findings show that polymeric self-assembling as nanocapsules improved the mucoadhesion of the polymers. Eudragit®RS100 nanocapsules have the best performance, independently of the vehicle and surface used. Regarding the vehicle, hydrogels showed higher adhesion when compared to suspensions and powders. When considering different types of surfaces, mucin presented a similar pattern like the animal mucosa, but it overestimated the mucoadhesiveness of all formulations. In conclusion, this study demonstrated that the best strategy to achieve high mucoadhesive formulations is by incorporating Eudragit®RS100 nanocapsules in hydrogels. Moreover, mucin is a suitable substrate to compare and screen different formulations but not as a conclusive estimation of the mucoadhesion values that can be achieved. These results are summarized in a decision tree that can help to understand different strategies of combination of these factors and the expected outcomes.
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Photostabilization strategies of photosensitive drugs. Int J Pharm 2018; 541:19-25. [DOI: 10.1016/j.ijpharm.2018.02.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 02/07/2018] [Accepted: 02/09/2018] [Indexed: 02/03/2023]
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Co-nanoencapsulation of antimalarial drugs increases their in vitro efficacy against Plasmodium falciparum and decreases their toxicity to Caenorhabditis elegans. Eur J Pharm Sci 2018; 118:1-12. [PMID: 29550283 DOI: 10.1016/j.ejps.2018.03.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 03/05/2018] [Accepted: 03/13/2018] [Indexed: 02/03/2023]
Abstract
Drugs used for the treatment and prevention of malaria have resistance-related problems, making them ineffective for monotherapy. If properly associated, many of these antimalarial drugs may find their way back to the treatment regimen. Among the therapeutic arsenal, quinine (QN) is a second-line treatment for uncomplicated malaria but has side effects that limit its use. Curcumin (CR) is a natural compound with anti-plasmodial activities and low bioavailability. In this context, the aim of this work was to develop and characterize co-encapsulated QN + CR-loaded polysorbate-coated polymeric nanocapsules (NC-QC) to evaluate their activity on Plasmodium falciparum and the safety of the nanoformulations for Caenorhabditis elegans. NC-QC displayed a diameter of approximately 200 nm, a negative zeta potential and a slightly basic pH. The drugs are homogeneously distributed in the NCs in the amorphous form. Co-encapsulated NCs exhibited a significant reduction in P. falciparum parasitemia, better than QN/CR. The worms exposed to NC-QC showed higher survival and longevity and no decrease in their reproductive capacity compared to free and associated drugs. It was possible to prove that the NCs were absorbed orally by the worms using fluorescence microscopy. Co-encapsulation of QN and CR was effective against P. falciparum, minimizing the toxic effects caused by chronic exposure of the free drugs in C. elegans.
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Kim KS, Yang ES, Kim DS, Kim DW, Yong CS, Kim JO, Jin SG, Choi HG. Degradation kinetics study of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) by a validated stability-indicating RP-HPLC method. J Pharm Biomed Anal 2018; 149:374-380. [PMID: 29145099 DOI: 10.1016/j.jpba.2017.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 09/28/2017] [Accepted: 11/01/2017] [Indexed: 02/06/2023]
Abstract
The chemical stability of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG), a therapeutic agent for neutropenia, was investigated using a validated stability-indicating reversed phase high-performance liquid chromatographic (RP-HPLC) method. The forced degradation of PLAG was carried out under the stress conditions of hydrolysis (alkaline, acidic and various pH buffers), oxidation, photolysis and heat. A simple, sensitive, specific, robust, precise and accurate RP-HPLC method was developed and validated for evaluating the degradation kinetics of PLAG. The chromatographic validation of various parameters, such as system suitability, detection limit, quantification limit, linearity, accuracy, precision, specificity, robustness and stability, was achieved. The method was validated for linearity, accuracy and precision over the concentration range of 0.7813-100μg/mL (r2=0.9999). The proposed method provided excellent stability study of PLAG indicated by the resolution of degradation products from the drug. Degradation of PLAG provided first order kinetics under all experimental conditions. PLAG was catalysed more rapidly in alkaline and acidic conditions than in neutral conditions. PLAG was relatively stable in photolytic and oxidative conditions compared to hydrolysis and thermal conditions, although this drug was not also stable in these conditions. Exposed to high temperature, PLAG was more rapidly catalysed. The activation energy evaluated from the Arrhenius plot was about 110kJ/mol in the thermal conditions. Additionally, PLAG with a t1/2 of about 400h was very stable at room temperature. Therefore, PLAG was considerably influenced by alkaline and acidic hydrolysis, and thermal degradation.
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Affiliation(s)
- Kyeong Soo Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea; Department of Pharmaceutical Engineering, Gyeongnam National University of Science and Technology, 33 Dongin-ro, Jinju, 52725, Republic of Korea
| | - Eun Su Yang
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea
| | - Dong Shik Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea
| | - Dong Wuk Kim
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea; College of Pharmacy, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Chul Soon Yong
- College of Pharmacy, Yeungnam University, 214-1, Dae-Dong, Gyongsan 712-749, Republic of Korea
| | - Jong Oh Kim
- College of Pharmacy, Yeungnam University, 214-1, Dae-Dong, Gyongsan 712-749, Republic of Korea
| | - Sung Giu Jin
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea; Department of Pharmaceutical Engineering, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan, 31116, Republic of Korea.
| | - Han-Gon Choi
- College of Pharmacy & Institute of Pharmaceutical Science and Technology, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 426-791, Republic of Korea.
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Gomes GS, Maciel TR, Piegas EM, Michels LR, Colomé LM, Freddo RJ, Ávila DSD, Gundel A, Haas SE. Optimization of Curcuma Oil/Quinine-Loaded Nanocapsules for Malaria Treatment. AAPS PharmSciTech 2018; 19:551-564. [PMID: 28875471 DOI: 10.1208/s12249-017-0854-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 07/30/2017] [Indexed: 11/30/2022] Open
Abstract
Quinine, a treatment used in chloroquine-resistant falciparum malaria, was loaded into poly(ɛ-caprolactone) or Eudragit® RS100 nanocapsules using Curcuma oil as the oil-based core. Until now, the effect of cationic nanocapsules on malaria has not been reported. A 24 factorial design was adopted using, as independent variables, the concentration of Curcuma oil, presence of quinine, type of polymer, and aqueous surfactant. Diameter, zeta potential, and pH were the responses studied. The formulations were also evaluated for drug content, encapsulation efficiency, photostability, and antimalarial activity against Plasmodium berghei-infected mice. The type of polymer influenced all of the responses studied. Quinine-loaded Eudragit® RS100 (F13) and PCL nanocapsules (F9), both with polysorbate 80 coating, showed nanometric particle size, positive zeta potential, neutral pH, high drug content, and quinine photoprotection ability; thus, these nanocapsules were selected for in vivo tests. Both formulations showed lower levels of parasitemia from the beginning of the experiment (5.78 ± 3.60 and 4.76 ± 3.46% for F9 and F13, respectively) and highest survival mean time (15.3 ± 2.0 and 14.9 ± 5.6 days for F9 and F13, respectively). F9 and F13 showed significant survival curve compared to saline, thus demonstrating that nanoencapsulation improved bioefficacy of QN and co-encapsulated curcuminoids, regardless of the surface charge.
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Granata G, Consoli GML, Lo Nigro R, Geraci C. Hydroxycinnamic acids loaded in lipid-core nanocapsules. Food Chem 2017; 245:551-556. [PMID: 29287408 DOI: 10.1016/j.foodchem.2017.10.106] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 10/19/2017] [Accepted: 10/19/2017] [Indexed: 12/30/2022]
Abstract
Ferulic, caffeic, sinapic, and coumaric acids, belonging to the class of hydroxycinnamic acids (HAs), are bioactive polyphenols widespread in the plant kingdom and present in the human diet. Due to their biological properties and effects in the prevention of various diseases associated with oxidative stress, HAs can be exploited for attractive nutraceutical applications. Starting from this and in order to increase bioaccessibility, we encapsulated HAs in lipid-core nanocapsules (NCs) based on a biodegradable and biocompatible poly(ε-caprolactone) polymer. The results showed that nanoparticles loaded with hydroxycinnamic acids (HA-NCs) have diameter of 224-253 nm, encapsulation efficiency of 53-78%, and are stable over time (30 days). In vitro tests evidenced that NCs are able to preserve HAs in the gastric simulated fluid and release them in the intestinal simulated fluid. The delivery system developed could be employed to create novel functional foods.
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Affiliation(s)
- Giuseppe Granata
- Istituto Chimica Biomolecolare - C.N.R., Via Paolo Gaifami 18, 95126, Italy
| | - Grazia M L Consoli
- Istituto Chimica Biomolecolare - C.N.R., Via Paolo Gaifami 18, 95126, Italy
| | - Raffaella Lo Nigro
- Istituto per la Microelettronica e i Microsistemi - C.N.R., Stradale Primo Sole 50, 95121 Catania, Italy
| | - Corrada Geraci
- Istituto Chimica Biomolecolare - C.N.R., Via Paolo Gaifami 18, 95126, Italy.
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31
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Shi X, Xiang C, Liu Y, Lin H, Xu Y, Ji J. Preparation and evaluation of chitosan/β-cyclodextrin magnetic nanoparticles as a photodegradable and hydrophobic drug delivery carrier. J Appl Polym Sci 2017. [DOI: 10.1002/app.45076] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Xu Shi
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
| | - Cuncheng Xiang
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
| | - Yuehua Liu
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
| | - Huihuan Lin
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
| | - Yi Xu
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
| | - Jingou Ji
- Faculty of Pharmaceutical Engineering; College of Chemistry and Chemical Engineering, University of Chongqing; Chongqing 400030 China
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An innovative polysaccharide nanobased nail formulation for improvement of onychomycosis treatment. Eur J Pharm Sci 2017; 100:56-63. [PMID: 28063967 DOI: 10.1016/j.ejps.2016.12.043] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 12/21/2016] [Accepted: 12/30/2016] [Indexed: 11/20/2022]
Abstract
Tioconazole-loaded nanocapsule suspensions and its coating with a cationic polymer were developed for nail drug delivery. The colloidal systems presented a nanometric size around 155nm for uncoated nanoparticles and 162nm for those with the cationic coating, with negative and positive zeta potential values, respectively. Both nanosuspensions showed drug content close to theoretical values (1mgmL-1), association efficiency close to 100% (HPLC) and were able to control tioconazol release. The developed formulations showed in vitro antifungal activity (agar diffusion method) against C. albicans. The cationic nanocapsules were considered bioadhesive, showed higher viscosity and were chosen to be incorporated into an ungueal formulation. Pullulan nanobased nail formulation showed adequate viscosity for nail application and drug content close to the theoretical values. It was equivalent to the commercial formulation Trosid® in preventing nail infection by T. rubrum in an in vitro onychomycosis model. The nanocapsule suspensions and Pullulan nanobased nail formulation showed lower irritant potential than the commercial formulation and than free drug in an in vitro evaluation. Pullulan nanobased nail formulation is promising for the treatment of onychomycosis.
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Liu X, Li Y, He J, Zhao T, Chen C, Gu H, Wang X. Paclitaxel-loaded pluronic F127/P123 silica nanocapsules with surface conjugated rhTRAIL for targeted cancer therapy. RSC Adv 2017. [DOI: 10.1039/c7ra04503d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel anticancer drug PFPSNT, paclitaxel (PTX)-loaded polymeric F127/P123 silica nanocapsules conjugated with TRAIL (tumor necrosis factor (TNF)-related apoptosis-inducing ligand), was designed and synthesized.
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Affiliation(s)
- Xin Liu
- Hubei Collaborative Innovation Center for Green Transformation of Bioresources
- The Faculty of Life Science
- Hubei University
- Wuhan 430062
- China
| | - Yuebin Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices
- Faculty of Physics & Electronic Sciences
- Hubei University
- Wuhan 430062
| | - Jian He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices
- Faculty of Physics & Electronic Sciences
- Hubei University
- Wuhan 430062
| | - Tingting Zhao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices
- Faculty of Physics & Electronic Sciences
- Hubei University
- Wuhan 430062
| | - Changmei Chen
- Hubei Collaborative Innovation Center for Green Transformation of Bioresources
- The Faculty of Life Science
- Hubei University
- Wuhan 430062
- China
| | - Haoshuang Gu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices
- Faculty of Physics & Electronic Sciences
- Hubei University
- Wuhan 430062
| | - Xingguo Wang
- Hubei Collaborative Innovation Center for Green Transformation of Bioresources
- The Faculty of Life Science
- Hubei University
- Wuhan 430062
- China
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De Souza JF, Maia KN, De Oliveira Patrício PS, Fernandes-Cunha GM, Da Silva MG, De Matos Jensen CE, Da Silva GR. Ocular inserts based on chitosan and brimonidine tartrate: Development, characterization and biocompatibility. J Drug Deliv Sci Technol 2016. [DOI: 10.1016/j.jddst.2016.01.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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35
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de Souza TD, Ziembowicz FI, Müller DF, Lauermann SC, Kloster CL, Santos RCV, Lopes LQS, Ourique AF, Machado G, Villetti MA. Evaluation of photodynamic activity, photostability and in vitro drug release of zinc phthalocyanine-loaded nanocapsules. Eur J Pharm Sci 2016; 83:88-98. [DOI: 10.1016/j.ejps.2015.12.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 11/25/2015] [Accepted: 12/04/2015] [Indexed: 01/09/2023]
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