Abstract:
:Charged drug delivery systems are interesting candidates for the delivery of drugs through skin. In the present study, it was possible to create negatively and positively charged oil/water nanoemulsions by using sucrose laureate and polysorbate 80 as non-ionic surfactants. The positively charged nanoemulsions were generated by adding cationic phytosphingosine (PS). The relationship between the physicochemical properties of the nanoemulsions was shown by particle size and zeta potential measurements. These properties were dependent on the type of non-ionic surfactant and the concentration of PS. Furthermore the cationic PS had a positive impact on the skin permeation rates (flux) of the incorporated model drugs fludrocortisone acetate and flumethasone pivalate. An enhancement factor between 1.1 and 1.5 was obtained in relation to the control. The interaction of pre-impregnated porcine skin with positively and negatively charged nanoemulsions was confirmed by DSC analysis. The generated DSC-curves showed a slight difference in the phase transition temperature assigned to the characteristic lipid transition. However, it was not possible to assign the effect to one of the ingredients in the multicomponent system.
journal_name
Int J Pharmjournal_title
International journal of pharmaceuticsauthors
Hoeller S,Sperger A,Valenta Cdoi
10.1016/j.ijpharm.2008.11.014subject
Has Abstractpub_date
2009-03-31 00:00:00pages
181-6issue
1-2eissn
0378-5173issn
1873-3476pii
S0378-5173(08)00786-2journal_volume
370pub_type
杂志文章abstract::Recently, significant research efforts have been devoted to the finding of efficient approaches in order to reduce the side effects of traditional cancer therapy and diagnosis. In this context, magnetic nanoparticles have attracted much attention because of their unique physical properties, magnetic susceptibility, bi...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章,评审
doi:10.1016/j.ijpharm.2015.07.059
更新日期:2015-09-30 00:00:00
abstract::The objective of this study was to investigate the integrtity and stability of oral liposomes containing glycocholate (SGC-Lip) in simulated gastrointestinal (GI) media and ex vivo GI media from rats in comparison with conventional liposomes (CH-Lip) composed of soybean phosphatidylcholine and cholesterol. Membrane in...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2012.10.025
更新日期:2013-01-30 00:00:00
abstract::The blood-brain barrier (BBB) has a pivotal role in maintaining brain homeostasis. It robustly protects the brain parenchyma against the invasion of irrelevant substances, which may interrupt its critical function. From a pharmaceutical point of view, such a barrier may cause central nervous system (CNS) disorders ref...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章,评审
doi:10.1016/j.ijpharm.2020.119582
更新日期:2020-08-30 00:00:00
abstract::Ethionamide (ETH) is a second line antitubercular drug suffering from poor solubility in water and strong tendency to crystallize. These drawbacks were addressed by loading ETH in β-cyclodextrin (βCyD)-based carriers. The drug was incorporated in a molecular state avoiding crystallization even for long-term storage an...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2017.05.041
更新日期:2017-10-15 00:00:00
abstract::The current study aimed to develop an effective transdermal nanovesicular carrier of diflunisal that provides enhanced delivery through the skin. Two types of nanovesicles, ethosomes and transfersomes, were investigated and compared to conventional liposomes. Ethosomes with variable ethanol contents (10, 30 and 50%) a...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2019.04.001
更新日期:2019-05-30 00:00:00
abstract::Hydrotalcite (HT), also known as a layered double hydroxide (LDH) compound, has been widely used in past years in the formulation of drugs due to its specific properties including good biocompatibility, null toxicity, high chemical stability and pH-dependent solubility which aid in drug controlled release. In this wor...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2016.04.048
更新日期:2016-06-15 00:00:00
abstract::The purpose of this investigation was to evaluate the performance of poly (amidoamine) (PAMAM) dendrimers, with three different surface groups, to be used as drug carriers. Drug-dendrimers complexes were investigated for solubility studies, dissolution studies, in vitro drug release studies, and for stability studies....
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2010.12.002
更新日期:2011-02-28 00:00:00
abstract::In the present work, we attempted to design a transdermal system for delivering selegiline using a hydrogel-based drug reservoir and a rate-controlling membrane (Solupor polyethylene membranes). The appearances of these preparations were evaluated by scanning electron microscopy (SEM), and the in vitro skin permeation...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2009.06.025
更新日期:2009-10-01 00:00:00
abstract::The aim of this study was to develop a self-emulsifying drug delivery system (SEDDS) containing the glycopeptide antibiotic vancomycin (VAN) with improved intestinal mucosa permeating properties in order to increase oral drug absorption. VAN was effectively incorporated into SEDDS increasing the lipophilicity of the d...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2018.11.010
更新日期:2019-01-10 00:00:00
abstract::Topical preparations of capsaicin, the major pungent ingredient of hot pepper, are being used for management of pain and inflammatory disorders. Purpose of this study was to use nanoemulsion as an effective topical drug carrier for in vivo delivery of capsaicin. An oil-in-water nanoemulsion containing capsaicin was pr...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2019.01.043
更新日期:2019-03-25 00:00:00
abstract::Drug development is a long process which requires careful evaluation of the drug substance (active pharmaceutical ingredient, API), drug product (tablet, capsule etc.) and the bioperformance (both pre-clinical and clinical) before testing the efficacy of the final dosage form. The earliest assessment of a new drug sub...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2018.08.055
更新日期:2018-10-25 00:00:00
abstract::Progesterone-loaded poly(lactic) acid fibrous polymeric patches were produced using electrospinning and pressurized gyration for intra-vaginal application to prevent preterm birth. The patches were intravaginally inserted into rats in the final week of their pregnancy, equivalent to the third trimester of human pregna...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2020.119782
更新日期:2020-10-15 00:00:00
abstract::In this work, the sizing of microemulsion droplets of a lipid-based pharmaceutical excipient (Labrasol® ALF) is performed by Taylor dispersion analysis (TDA) using fluorescent detection. An hydrophobic fluorescent marker is used to tag the microemulsion droplet and to increase the sensitivity of detection (compared to...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2016.09.016
更新日期:2016-11-20 00:00:00
abstract::Injectable in situ-forming gels have received considerable attention as localized drug delivery systems. Here, we examined a poly(ethylene glycol)-b-polycaprolactone (MPEG-PCL) diblock copolymer gel as an injectable drug depot for paclitaxel (Ptx). The copolymer solution remained liquid at room temperature and rapidly...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2010.03.033
更新日期:2010-06-15 00:00:00
abstract::Intracranial injection of the rodent adapted CAM/RB strain of measles virus (MV) induces encephalitis in CBA/ca mice. It has already been shown that cyclodextrins can be used as carriers to increase the antiviral activity of ribavirin (RBV) against MV in cellular model. In this study, the antiviral activity of a RBV/a...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2008.01.043
更新日期:2008-06-05 00:00:00
abstract::The purpose of the present study was to investigate the effect of secondary structure of three model polypeptides on their apparent permeability (P(app)) across a synthetic, microporous membrane. Poly-L-lysine (PL), poly-L-glutamate (PGlu), and poly-L-lysine-L-phenylalanine (1:1) (PLP) were selected because a solution...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/s0378-5173(02)00320-4
更新日期:2002-09-05 00:00:00
abstract::An innovative bioadhesive patch intended primarily as a vulval drug delivery system and, specifically, as a means to deliver photosensitisers, or their prodrugs, for photodynamic purposes is described. The patch was formulated with a copolymer of methyl vinyl ether and maleic anhydride (PMVE/MA) as a bioadhesive matri...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2004.11.035
更新日期:2005-04-11 00:00:00
abstract::The development of vaccine delivery systems that will remove or reduce the need for repeated dosing has led to the investigation of sustained release systems. In this context, the duration of antigen release is of great importance as is the requirement for concomitant adjuvant release. In this work, lipid implants con...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2015.06.052
更新日期:2015-09-30 00:00:00
abstract::Rebaudioside A (RA) self-assembled into ultrasmall nanomicelles can be utilized as ocular drug delivery system; nevertheless, the therapeutic efficacy of RA micelles has not evaluated thus far. In this manuscript, the RA micelles are thought to strengthen the therapeutic effects of pterostilbene (Pt). Results showed t...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2020.119035
更新日期:2020-03-15 00:00:00
abstract::The aim of this study was to develop a sensitive and discriminative in vitro-in silico model able to simulate the in vivo performance of three fenofibrate immediate release formulations containing different surfactants. In addition, the study was designed to investigate the effect of dissolution volume when predicting...
journal_title:International journal of pharmaceutics
pub_type: 临床试验,杂志文章
doi:10.1016/j.ijpharm.2014.06.060
更新日期:2014-10-01 00:00:00
abstract::Dendritic micelles formed from amphiphilic dendritic ABA triblock copolymers based on organic linear poly(ethylene oxide) and inorganic dendritic block containing silicon atoms (OSC-D(Gn)-PEO-D(Gn)-CSO, n=1-3)(1) were evaluated as drug delivery vehicles for a drug in both lipophilic and hydrophilic forms. The physical...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2011.01.007
更新日期:2011-04-04 00:00:00
abstract::The maximum fluxes of a series of alkyloxycarbonyloxymethyl (AOCOM) ethers of acetaminophen (APAP) through hairless mouse skin from isopropyl myristate, IPM (J(MMIPM)) were measured. The J(MMIPM), solubilities in IPM (S(IPM)), water (S(AQ)) and pH 4.0 buffer (S4.0) and molecular weights MW were then fitted to the Robe...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2008.12.020
更新日期:2009-04-17 00:00:00
abstract::An extrusion based 3D printer was used to prepare the semi-solid tablets with different drug loading dosages (75, 100, 125 mg) under ambient temperature. The active pharmaceutical ingredient, theophylline, was uploaded within the hydrogels prepared of hydroxypropyl methylcellulose (HPMC) K4M or E4M. The HPMC concentra...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2020.119983
更新日期:2020-12-15 00:00:00
abstract::Insulin glargine is the first long-acting basal insulin analogue used for subcutaneous administration once daily in patients with type 1 or type 2 diabetes mellitus. To obtain the further bioavailability and the sustained glucose lowering effect of insulin glargine, in the present study, we investigated the effect of ...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2011.07.018
更新日期:2011-10-31 00:00:00
abstract::The objective of this study is to prepare and characterize solid dispersions of nifedipine (NP) using porous spherical silicate micro beads (MB) that were approximately 100 μm in diameter with vinylpyrrolidone/vinyl acetate copolymer (PVP/VA) and a Wurster-type fluidized bed granulator. Compared with previously report...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2015.07.037
更新日期:2015-09-30 00:00:00
abstract::In the present study, two indices of acute intestinal permeability changes were investigated as measurements of drug induced intestinal damage. The first method was based on 14C-polyethylene glycol (PEG) 4000 permeability assessment and the second was based on histological evaluation of the intestine. The test compoun...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2006.01.009
更新日期:2006-04-07 00:00:00
abstract::We report here the synthesis, in vitro and in vivo investigation of magnetic resonance imaging (MRI) active nanoparticles, which target folate receptor overexpressing tumor cells. Self-assembled nanoparticles with a hydrodynamic size of 50-200 nm were prepared from poly-γ-glutamic acid and chitosan biopolymers with Gd...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2012.11.038
更新日期:2013-01-30 00:00:00
abstract::In this short note we report on the shelf-life stability of pDERMATT (plasmid DNA encoding recombinant MART-1 and tetanus toxin fragment-c) 2mg lyophilized powder for reconstitution for intradermal administration, used in an in-house, investigator-initiated clinical phase I study. pDERMATT was stored at 25°C/60% relat...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2013.06.010
更新日期:2013-09-10 00:00:00
abstract::A bioadhesive drug delivery system, wheat germ agglutinin (WGA)-grafted lipid nanoparticles, was developed for the oral delivery of bufalin (a hydrophobic active component extracted from the traditional Chinese medicine Chan'su). The lipid nanoparticles associated with poly(vinyl alcohol) (PVA) were prepared by high-p...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2010.06.030
更新日期:2010-09-15 00:00:00
abstract::Lipid-based formulations can be effective drug delivery systems for poorly water-soluble chemical entities, provided they are designed with careful selection of the excipients, based on their role in the delivery system and in relation to drug properties. The primary factor leading to increased bioavailability is the ...
journal_title:International journal of pharmaceutics
pub_type: 杂志文章
doi:10.1016/j.ijpharm.2015.09.009
更新日期:2015-11-10 00:00:00