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https://www.readbyqxmd.com/read/28279741/enhanced-non-invasive-trans-tympanic-delivery-of-ciprofloxacin-through-encapsulation-into-nano-spanlastic-vesicles-fabrication-in-vitro-characterization-and-comparative-ex-vivo-permeation-studies
#1
Abdulaziz Mohsen Al-Mahallawi, Omneya Mohammed Khowessah, Raguia Ali Shoukri
The aim of this research was to encapsulate ciprofloxacin, a broad spectrum fluoroquinolone antibiotic, into Span 60 based nano-elastic vesicles, nano-spanlastics, for accomplishing improved non invasive trans-tympanic delivery, providing means for ototopical treatment of acute otitis media (AOM). To achieve this purpose, ciprofloxacin-loaded nano-spanlastics were prepared by thin film hydration (TFH) technique, using several non-ionic edge activators (EAs) according to full factorial design (3(2)). The investigation of the effect of formulation variables on nano-spanlastic characteristics and selection of the optimum formula were performed using Design-Expert(®) software...
March 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28264602/enhancement-of-the-bioavailability-of-an-antihypertensive-drug-by-transdermal-protransfersomal-system-formulation-and-in-vivo-study
#2
Nadia M Morsi, Ahmed A Aboelwafa, Marwa H S Dawoud
Timolol Maleate (TiM), a nonselective β-adrenergic blocker, is a potent highly effective agent for management of hypertension. The drug suffers from poor oral bioavailability (50%) due to its first pass effect and a short elimination half-life of 4 h; resulting in its frequent administration. Transdermal formulation may circumvent these problems in the form of protransfersomes. The aim of this study is to develop and optimize transdermal protransfersomal system of Timolol Maleate by film deposition on carrier method where protransfersomes were converted to transfersomes upon skin hydration following transdermal application under occlusive conditions...
March 6, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28237913/pharmacodynamic-study-of-eprosartan-mesylate-loaded-transfersomes-carbopol-%C3%A2-gel-under-dermaroller-%C3%A2-on-rats-with-methyl-prednisolone-acetate-induced-hypertension
#3
Abdul Ahad, Abdulmohsen A Al-Saleh, Abdullah M Al-Mohizea, Fahad I Al-Jenoobi, Mohammad Raish, Alaa Eldeen B Yassin, Mohd Aftab Alam
The objective of present study was to prepare eprosartan mesylate (EM)-loaded transfersomes Carbopol(®) gel and characterized for various parameters, including in vitro skin permeation, in vivo antihypertensive study, skin irritation, and histological study. Furthermore, effect of transfersomes gel on angiotensin II type-1 receptor (AT1R) mRNA and protein expressions on smooth vascular muscles of aorta was determined by real-time polymerase chain reaction (RT-PCR) and western blot analysis. The physical evaluation parameters were detected to be in correspondence with reference marketed gel formulation...
February 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28228078/nanocarriers-mediated-topical-drug-delivery-for-psoriasis-treatment
#4
Sevgi Güngör, Meriem Rezigue
BACKGROUND: Psoriasis is a chronic autoimmune inflammatory skin disease affecting 2 to 3% of people worldwide. Topical therapy as first option in the management of psoriasis is an attractive strategy by delivering drugs efficiently into target sites of disease, minimizing systemic side effects of drugs and ensuring high patient compliance. However, the delivery of antipsoriatic agents via conventional topical formulations is limited due to their poor percutaneous penetration and targeting into deeper layers of the skin...
February 22, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28156169/nanotransfersomes-loaded-thermosensitive-in-situ-gel-as-a-rectal-delivery-system-of-tizanidine-hcl-preparation-in-vitro-and-in-vivo-performance
#5
Fatma A Moawad, Adel A Ali, Heba F Salem
The purpose of the current study was to develop tizanidine HCl (TIZ; a myotonolytic agent used for treatment of spasticity) loaded nanotransfersomes intended for rectal administration, aiming to bypass the hepatic first-pass metabolism. TIZ-loaded nanotransfersomes were prepared by thin-film hydration method followed by characterization for various parameters including entrapment efficiency, vesicle diameter, in vitro release and ex vivo permeation studies. Transfersomal formulation composed of phosphatidylcholine and Tween 80 at a weight ratio of (85:15) gave a satisfactory results...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28155509/skin-delivery-of-epigallocatechin-3-gallate-egcg-and-hyaluronic-acid-loaded-nano-transfersomes-for-antioxidant-and-anti-aging-effects-in-uv-radiation-induced-skin-damage
#6
COMPARATIVE STUDY
Kiran S Avadhani, Jyothsna Manikkath, Mradul Tiwari, Misra Chandrasekhar, Ashok Godavarthi, Shimoga M Vidya, Raghu C Hariharapura, Guruprasad Kalthur, Nayanabhirama Udupa, Srinivas Mutalik
The present work attempts to develop and statistically optimize transfersomes containing EGCG and hyaluronic acid to synergize the UV radiation-protective ability of both compounds, along with imparting antioxidant and anti-aging effects. Transfersomes were prepared by thin film hydration technique, using soy phosphatidylcholine and sodium cholate, combined with high-pressure homogenization. They were characterized with respect to size, polydispersity index, zeta potential, morphology, entrapment efficiency, Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), in vitro antioxidant activity and ex vivo skin permeation studies...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28050929/development-and-optimization-of-apigenin-loaded-transfersomal-system-for-skin-cancer-delivery-in-vitro-evaluation
#7
Manmohan Singh Jangdey, Anshita Gupta, Shailendra Saraf, Swarnlata Saraf
The aim of this work is to apply Box-Behnken design to optimize the transfersomes were formulated by modified rotary evaporation sonication technique using surfactant Tween 80. The response surface methodology was used having three-factored with three levels. The prepared formulations were characterized for vesicle shape, size, entrapment efficiency (%), stability, and in vitro permeation. The result showed that drug entrapment of 84.24% with average vesicle size of 35.41 nm and drug loading of 8.042%. Thus, optimized formulation was found good stability and is a promising approach to improve the permeability of apigenin in sustained release for prolonged period of time...
January 4, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28039091/evaluation-of-paeonol-loaded-transethosomes-as-transdermal-delivery-carriers
#8
Z X Chen, B Li, T Liu, X Wang, Y Zhu, L Wang, X H Wang, X Niu, Y Xiao, Q Sun
Paeonol shows effective anti-allergic, anti-inflammatory and analgesic activities. However, because of its poor solubility in water and high volatility at room temperature, the application of this drug is restricted in the clinic. The objective of this research was to develop a biocompatible paeonol formulation with improved stability, skin delivery and pharmacokinetic efficiency. In this paper, paeonol-loaded vesicles were prepared using an ethanol injection method. Nano-vesicles were characterized for their physical properties and encapsulation efficiency (EE)...
March 1, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27863184/lipase-sensitive-transfersomes-based-on-photosensitizer-polymerizable-lipid-conjugate-for-selective-antimicrobial-photodynamic-therapy-of-acne
#9
Hyung Park, Jonghwan Lee, Songhee Jeong, Byeong Nam Im, Min-Kyoung Kim, Su-Geun Yang, Kun Na
Acne vulgaris is a common skin problem affecting nearly 90% of adolescents and its development is associated with a colonization of Propionibacterium acnes (P. acnes). Although antibiotics have commonly been used to treat acne, antibiotic resistance of P. acnes is an emerging issue to be solved. In this study, a new way of photodynamic acne therapy is developed using P. acnes lipase-sensitive transfersome (DSPE-PEG-Pheo A (DPP) transfersome). For enhanced selectivity and skin penetration efficiency, DPP transfersomes are prepared from 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino(polyethylene glycol)-2000], pheophorbide A (Pheo A), cholesterol, and Tween-80...
December 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27832955/lipid-vesicular-nanocarrier-quick-encapsulation-efficiency-determination-and-transcutaneous-application
#10
Yibang Zhang, Weibeng Ng, Xue Feng, Fangying Cao, Huaxi Xu
Nanoscale delivery systems have been widely investigated to overcome the penetration barrier of stratum corneum for effective transcutaneous application. The aim of this study is the development of effective vesicular formulations of ovalbumin and saponin which are able to promote penetration through the skin layers. Three kinds of vesicular formulations have been investigated as carriers, including liposomes, transfersomes and ethosomes, in which cholesterol and/or cationic lipid stearylamine are incorporated...
January 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27778435/safety-and-efficacy-of-topical-ketoprofen-in-transfersome-gel-in-knee-osteoarthritis-a-systematic-review
#11
Vandit Sardana, Joanna Burzynski, Paul Zalzal
PURPOSE: Topical ketoprofen in Transfersome gel has been used for the alleviation of symptoms in osteoarthritis. Non-steroidal anti-inflammatory drugs (NSAIDs) are associated with various side effects. Topical NSAIDs are known to have a lower side-effect profile when compared with systemic administration. The present systematic review aimed to determine the safety and efficacy of topical ketoprofen in Transfersome gel in knee osteoarthritis (OA). METHODS: A systematic literature review was performed...
October 24, 2016: Musculoskeletal Care
https://www.readbyqxmd.com/read/27660724/improved-bioavailability-of-timolol-maleate-via-transdermal-transfersomal-gel-statistical-optimization-characterization-and-pharmacokinetic-assessment
#12
Nadia M Morsi, Ahmed A Aboelwafa, Marwa H S Dawoud
Timolol maleate (TiM), a nonselective β-adrenergic blocker, is a potent highly effective agent for management of hypertension. The drug suffers from extensive first pass effect, resulting in a reduction of oral bioavailability (F%) to 50% and a short elimination half-life of 4 h; parameters necessitating its frequent administration. The current study was therefore, designed to formulate and optimize the transfersomal TiM gel for transdermal delivery. TiM loaded transfersomal gel was optimized using two 2(3) full factorial designs; where the effects of egg phosphatidyl choline (PC): surfactant (SAA) molar ratio, solvent volumetric ratio, and the drug amount were evaluated...
September 2016: Journal of Advanced Research
https://www.readbyqxmd.com/read/27620464/composite-chitosan-transfersomal-vesicles-for-improved-transnasal-permeation-and-bioavailability-of-verapamil
#13
Mamdouh Abdel Mouez, Maha Nasr, Mona Abdel-Mottaleb, Ahmed S Geneidi, Samar Mansour
The creation of composite systems has become an emerging field in drug delivery. Chitosan has demonstrated several pharmaceutical advantages, especially in intranasal delivery. In this manuscript, a comparative study was conducted between regular vesicles (transfersomes and penetration enhancer vesicles) and composite vesicles (chitosan containing transfersomes and penetration enhancer vesicles) loaded with a model antihypertensive drug; verapamil hydrochloride VRP. Composite vesicles displayed larger particle size than regular vesicles owing to the coating potential of chitosan on the vesicular bilayer as displayed by transmission electron microscopy, with an increased viscosity of composite vesicles and a shift in the zeta potential values from negative to positive...
December 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27620074/transdermal-delivery-from-liposomal-formulations-evolution-of-the-technology-over-the-last-three-decades
#14
Mukul Ashtikar, Kalpa Nagarsekar, Alfred Fahr
Strong barrier properties of stratum corneum often limits the efficiency of drug delivery through skin. Several strategies were tried to improve permeation of drug through skin for local as well as systemic drug delivery. Incorporation of the drug within flexible liposomal vesicles has been one of the popular and well-studied approaches for delivering drug to deeper layers of the skin or even systemic circulation. Flexible/deformable/elastic liposomal systems such as invasomes, Transfersomes(®), ethosomes, niosomes, etc...
September 10, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27526697/ethosomes-as-vesicles-for-effective-transdermal-delivery-from-bench-to-clinical-implementation
#15
Nida Akhtar, Anurag Verma, Kamla Pathak
BACKGROUND: Drug delivery across the deeper layers of skin to make it systemically available is a considerable challenge in the development of a carrier. A number of efforts have been put forward to find ways to get therapeutic actives overcome the formidable barrier of stratum corneum. Various lipid based vesicles viz liposomes, transfersomes, and invasomes have gained prominent deliberations across the globe. More recently, ethosomes have been investigated for its potential where high proportion of ethanol enables them to ameliorate transdermal delivery of several drugs in comparison to other carriers...
August 13, 2016: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/27422107/needle-free-jet-injection-of-intact-phospholipid-vesicles-across-the-skin-a-feasibility-study
#16
Michele Schlich, Francesco Lai, Sergio Murgia, Donatella Valenti, Anna Maria Fadda, Chiara Sinico
Needle-free liquid jet injectors are devices developed for the delivery of pharmaceutical solutions through the skin. In this paper, we investigated for the first time the ability of these devices to deliver intact lipid vesicles. Diclofenac sodium loaded phospholipid vesicles of two types, namely liposomes and transfersomes, were prepared and fully characterized. The lipid vesicles were delivered through a skin specimen using a jet injector and the collected samples were analyzed to assess vesicle structural integrity, drug retention and release kinetics after the injection...
August 2016: Biomedical Microdevices
https://www.readbyqxmd.com/read/27352543/-optimization-of-formulation-of-panax-notoginseng-saponins-transfersomes
#17
Cui Chang, Si-si Chen, Hong-tu Yang, Hang-sheng Zheng
OBJECTIVE: To optimize the formulation of Panax notoginseng saponins (PNS) transfersomes. METHODS: PNS transfersomes were prepared by film hydration-dispersion process. Based on the entrapment efficiency (EE) of ginsenoside Rg1 and ginsenoside Rb1, the effects of formulated quantity of sodium deoxycholate and cholesterol, the relative ion strength and pH value of hydration liquid were investigated. The formulation of PNS transfersomes were optimized by single-factor experiment and uniform design experiment...
December 2015: Zhong Yao Cai, Zhongyaocai, Journal of Chinese Medicinal Materials
https://www.readbyqxmd.com/read/27349691/preparation-of-osthole-loaded-nano-vesicles-for-skin-delivery-characterization-in-vitro-skin-permeation-and-preliminary-in-vivo-pharmacokinetic-studies
#18
Shu Meng, Chong Zhang, Wei Shi, Xiao-Wei Zhang, Dan-Hua Liu, Ping Wang, Jian-Xin Li, Ying Jin
The main objective of the present research was to evaluate the flexible nano-vesicles for transdermal delivery of osthole. The nano-vesicles were formulated, characterized and evaluated for their physicochemical properties, in vitro skin permeation and in vivo plasma concentration. The encapsulation efficiency of osthole in ethosome and transfersome was measured to be 83.3±4.8% and 80.9±3.6%, respectively. In vitro studies showed that osthole ethosome provided an enhanced transdermal flux of 6.98±1.6μg/cm(2)/h and a decreased lag time of 2...
September 20, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27274231/current-application-of-phytocompound-based-nanocosmeceuticals-for-beauty-and-skin-therapy
#19
REVIEW
Palanivel Ganesan, Dong-Kug Choi
Phytocompounds have been used in cosmeceuticals for decades and have shown potential for beauty applications, including sunscreen, moisturizing and antiaging, and skin-based therapy. The major concerns in the usage of phyto-based cosmeceuticals are lower penetration and high compound instability of various cosmetic products for sustained and enhanced compound delivery to the beauty-based skin therapy. To overcome these disadvantages, nanosized delivery technologies are currently in use for sustained and enhanced delivery of phyto-derived bioactive compounds in cosmeceutical sectors and products...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27270718/erratum-to-transfersomal-nanoparticles-for-enhanced-transdermal-delivery-of-clindamycin
#20
Ahmed A H Abdellatif, Hesham M Tawfeek
No abstract text is available yet for this article.
December 2016: AAPS PharmSciTech
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