Abstract：
:The aim of this research was to study the gastrointestinal transit and gastric emptying of non-disintegrating solid dosage forms in rats using X-ray imaging. Commercial gelatin minicapsules were filled with barium sulfate and enterically coated using Eudragit S100. The capsules were administered orally to rats followed by a solution of iodine based contrast agent iopromide. Images were obtained using a standard X-ray camera and digital film processing. Capsules were followed through the GI tract from the stomach to the small intestine, cecum and large intestine and the capsule location could be easily identified. Gastric emptying of different sized capsules was studied. The effect of fasting and time of administration on gastric retention was also studied. It was found that shortened capsules of 3.5 and 4.8mm length were emptied from the stomach whereas the commercial length 7.18mm capsules were retained. Surprisingly, 2.5h post administration more rats retained the capsules in the stomach in the fasted state than in the fed state. We found that X-ray imaging can be used for simple visualization and localization of solid dosage forms in rats in the fed state using shortened commercial minicapsules on rats.
journal_name
Int J Pharmjournal_title
International journal of pharmaceuticsauthors
Saphier S,Rosner A,Brandeis R,Karton Ydoi
10.1016/j.ijpharm.2010.01.001subject
Has Abstractpub_date
2010-03-30 00:00:00pages
190-5issue
1-2eissn
0378-5173issn
1873-3476pii
S0378-5173(10)00015-3journal_volume
388pub_type
杂志文章abstract：:The effect of the solvent systems water, ethanol (EtOH), propylene glycol (PG) and their binary combinations was studied on the ex vivo permeation profile of the opioid receptor antagonist, naloxone, through rat skin. Fourier transform-infrared (FT-IR) spectroscopic studies were done to investigate the effect of enhan...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(01)00634-2
更新日期：2001-05-21 00:00:00
abstract：:Microemulsion systems composed of Span20/80+Tween20/80+n-butanol+H2O+isopropyl palmitate (IPP)/isopropyl myristate (IPM) were investigated as model systems of drug carriers for eye drops. Effects of chloramphenicol, normal saline, sodium hyaluronate and various oils on the phase behavior were studied. The phase transi...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2005.06.006
更新日期：2005-09-14 00:00:00
abstract：:Native low-density lipoproteins (LDL) naturally accumulate at atherosclerotic lesions and are thought to be among the main drivers of atherosclerosis progression. Numerous nanoparticular systems making use of recombinant lipoproteins have been developed for targeting atherosclerotic plaque. These innovative formulatio...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2020.119282
更新日期：2020-05-15 00:00:00
abstract：:The role of the newly discovered cysteine protease, cathepsin K, in osteoporosis and rheumatoid arthritis is reviewed. The current development of cathepsin K inhibitors and their targeted delivery using synthetic polymer carriers are discussed. Future challenges and possible strategies to improve these delivery system...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章,评审
doi：10.1016/j.ijpharm.2003.03.003
更新日期：2004-06-11 00:00:00
abstract：:Several cationic compounds were screened as potential nasal absorption enhancers to increase intranasal absorption of a model drug, fluorescein isothiocyanate labeled dextran (MW 4.4 kDa, FD-4), without nasal membrane damage in rats. Their effects were compared with those of classical enhancers. Various cationic compo...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(99)00100-3
更新日期：1999-08-05 00:00:00
abstract：:Phenoporlamine hydrochloride is a novel compound that is used for the treatment of hypertension. The purpose of this study was to develop a sustained release tablet for phenoporlamine hydrochloride because of its short biological half-life. Three floating matrix formulations of phenoporlamine hydrochloride based on ga...
journal_title：International journal of pharmaceutics
pub_type： 临床试验,杂志文章
doi：10.1016/j.ijpharm.2005.12.003
更新日期：2006-03-09 00:00:00
abstract：:Estimates of the human oral absolute bioavailability were made by using a physiological-based pharmacokinetic model of absorption and the drug solubility at the gastrointestinal pH range 1.5-7.5, the apparent permeability (P(app)) in Caco-2 cells and the intrinsic clearance (Cl(int)) in human hepatocytes suspensions a...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2012.03.019
更新日期：2012-06-15 00:00:00
abstract：:To enhance the medicinal activity of bee venom (BV) acupuncture, bee venom was loaded into biodegradable poly(D,L-lactide-co-glycolide) nanoparticles (BV-PLGA-NPs) by a water-in-oil-in-water-emulsion/solvent-evaporation technique. Rat formalin tests were performed after subcutaneous injection of BV-PLGA-NPs to the Zus...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2009.06.034
更新日期：2009-10-01 00:00:00
abstract：:The purpose of this work was to investigate the influence of dissolution medium composition on the in vitro release of ketoprofen from a series of ER products and the impact of the different buffer media on the in vivo-in vitro (IVIV) relationship. The products investigated were coated micro bead preparations having i...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(03)00004-8
更新日期：2003-03-26 00:00:00
abstract：:This work describes the pharmacokinetics of a novel carbamazepine nanoemulsion. The plasma concentration profiles were determined in beagle dogs after i.v. bolus administration of a 5 mg/kg carbamazepine nanoemulsion and compared to the corresponding carbamazepine/hydroxypropyl-beta-cyclodextrin complex solution. Both...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2009.05.055
更新日期：2009-08-13 00:00:00
abstract：:The purpose of this study was to characterize the in vitro properties of a number of chitosan-based microemulsions containing nobiletin and determine its distribution in mice brain following i.v. administration. The phase behavior and properties of chitosan-based microemulsions were investigated in a pseudo-ternary sy...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2007.10.010
更新日期：2008-03-20 00:00:00
abstract：:Azithromycin loaded microspheres with blends of poly-l-lactide and ploy-D,L-lactide-co-glycolide as matrices were prepared by the atmosphere-solvent evaporation (ASE) and reduced pressure-solvent evaporation (RSE) method. Both the X-ray diffraction spectra and DSC thermographs demonstrated that poly-L-lactide existed ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2012.04.081
更新日期：2012-08-20 00:00:00
abstract：:Bone infection is a devastating condition resulting from implant or orthopaedic surgery. Therapeutic strategies are extremely complicated and may result in serious side effects or disabilities. The development of enhanced 3D scaffolds, able to promote efficient bone regeneration, combined with targeted antibiotic rele...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2018.12.002
更新日期：2019-02-25 00:00:00
abstract：:Despite their great potential, gene delivery polyplexes have a number of limitations, including their tendency for aggregation in vivo or upon storage. In previous studies, we could show that hydroxyethyl starch (HES)-decoration of polyplexes reduces aggregation in vitro and in vivo. The current study investigates the...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2014.04.020
更新日期：2014-07-20 00:00:00
abstract：:The aim of this study was to evaluate the influence of tableting process parameters, i.e. turret rotation speed, pre-compaction and main compaction pressures, and their interactions on layer adhesion of bilayer tablets. The elastic recovery after compaction was used as estimation for the elasticity of the material. Th...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2019.118607
更新日期：2019-10-30 00:00:00
abstract：:Preparation of oil-in-water (o/w) type lipid emulsion is one of the approaches to formulate drugs that are poorly water-soluble but can be dissolved in the oil phase of the emulsions. A synthetic glucocorticoid medicine, difluprednate (DFBA), is a water-insoluble compound. We formulated DFBA (0.05%, w/v) ophthalmic li...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2005.05.036
更新日期：2005-09-14 00:00:00
abstract：:Corticosteroids have long been used to treat intraocular inflammation by intravitreal injection. We describe dexamethasone loaded poly-DL-lactide-co-glycolide (PLGA) microparticles that were fabricated by thermally induced phase separation (TIPS). The dexamethasone loaded microparticles were evaluated using a two-comp...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2017.02.047
更新日期：2017-04-30 00:00:00
abstract：:Andrographolide (AG) is a chemical entity from traditional Chinese herbs and its oral pills have been applied to the treatment of respiratory inflammation. Here we report pulmonary delivery of liposomal AG dry powder inhalers (LADPIs) for treatment of Staphylococcus aureus-induced pneumonia. AG liposomes were prepared...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2017.06.005
更新日期：2017-08-07 00:00:00
abstract：:Pharmaceutically usable microemulsion systems were prepared from water and isopropyl myristate with a constant amount of Tween 40 and Imwitor 308 at a mass ratio of 1. Their type and structure were examined by measuring density and surface tension, and by viscometry, electric conductivity, differential scanning calori...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2004.02.018
更新日期：2004-05-19 00:00:00
abstract：:Distribution of salicylic acid in human stratum corneum from treatment of six different formulations was assessed by quantitation of drug content in sequentially tape-stripped stratum corneum after a single 2-h dose was applied unoccluded to skin on the ventral forearm of four female subjects. The profile and total am...
journal_title：International journal of pharmaceutics
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0378-5173(99)00217-3
更新日期：1999-10-25 00:00:00
abstract：:Maedi Visna virus (MVV) is an ovine lentivirus with high prevalence all over the world. Since conventional vaccines had failed in protecting animals against the infection, the development of a DNA vaccine can be an alternative. The candidate vaccine was constructed by cloning the sequence encoding MVV p25 protein and ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2009.05.005
更新日期：2009-07-30 00:00:00
abstract：:Electronic tongues are sensor array systems able to detect single substances as well as complex mixtures by means of particular sensor membranes and electrochemical techniques. Two systems are already commercially available, the Insent taste sensing system and the αAstree electronic tongue. In addition, various labora...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章,评审
doi：10.1016/j.ijpharm.2010.11.028
更新日期：2011-09-30 00:00:00
abstract：:A comprehensive model is proposed to accurately describe drug release kinetics from a coated plane sheet when drug loading in the core is above its saturation level. The general solutions are acquired in a dimensionless form by the Laplace transform and the solution for the special case-a perfect sink condition, is de...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(99)00373-7
更新日期：2000-03-20 00:00:00
abstract：:Several classes of antifungal have been employed in candidiasis treatment, but patients with advanced immunodeficiency can present unsatisfactory results after therapy. In these cases, high doses of drugs or the use of multiple agents are sometimes used, and hence increasing the risk of serious side effects. Consideri...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2007.08.002
更新日期：2008-02-12 00:00:00
abstract：:Solid dispersions were prepared with the extremely poorly water soluble drug, probucol and the water soluble polymers, polyvinyl pyrrolidone (PVP), polyacrylic acid (PAA) or polyethylene oxide (PEO) and blends of these polymers. The solid dispersions were prepared either by the solvent evaporation method, or by compre...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(01)00709-8
更新日期：2001-07-03 00:00:00
abstract：:The permeation of cyproterone acetate (CPA) from Derma Membrane Structure (DMS) creams and liposomal formulations was investigated. Standard diffusion experiments with dermatomed porcine skin were performed. The cumulative CPA amount permeated of the DMS creams was between 2.9 and 6.8 microg/cm(2) within 48 h. By addi...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(03)00180-7
更新日期：2003-06-04 00:00:00
abstract：:The β-CD encapsulation of two tricyclic antidepressants (TCAs), nortriptyline (NRT) HCl and amitriptyline (AMT) HCl (most widely used TCA), has been thoroughly investigated by single-crystal X-ray diffraction and DFT calculation for insights into the inclusion complexation. X-ray analysis reveals that both drugs inser...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2019.118899
更新日期：2020-02-15 00:00:00
abstract：:Water-soluble calixarenes are promising macrocyclic compounds which have found numerous applications in chemistry and biology. However, these compounds have been less studied in regard to their behavior in aqueous solutions and mechanisms of drug solubilization. The present work is devoted to the evaluation of the sol...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2010.09.011
更新日期：2010-12-15 00:00:00
abstract：:Three dimensional printing technology is gaining in importance because of its increasing availability and wide applications. One of the three dimensional printing techniques is Fused Deposition Modelling (FDM) which works on the basis of hot melt extrusion-well known in the pharmaceutical technology. Combination of fu...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2017.05.052
更新日期：2017-11-30 00:00:00
abstract：:Integrin alpha(5)beta(1) is expressed on several types of cancer cells, including colon cancer, and plays an important role in tumor growth and metastasis. The ability to target the integrin alpha(5)beta(1) using an appropriate drug delivery nano-vector can significantly help in inhibiting tumor growth, reducing tumor...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2008.09.016
更新日期：2009-01-21 00:00:00
