In situ intestinal absorption of a poorly water-soluble drug from mixed micellar solutions of bile salt and lipolysis products in rats.

abstract：PURPOSE:To evaluate different dissolution testing methods and subsequently develop a simple to perform but reproducible and discriminating dissolution technique for inhalative powders. METHODS:From a dry powder a fraction of aerosolized particles with an aerodynamic particle size below 5 μm was collected on regenerate...

journal_title：Pharmaceutical research

authors： May S,Jensen B,Wolkenhauer M,Schneider M,Lehr CM

更新日期：2012-08-01 00:00:00

abstract：PURPOSE:To assess the efficacy of the novel clinical formulation of fenretinide (LAU-7b) for the treatment of allergic asthma. To study the association between LAU-7b treatment in allergic asthma and the modulation of very long chain ceramides (VLCC). METHODS:We used two allergens (OVA and HDM) to induce asthma in mou...

journal_title：Pharmaceutical research

authors： Youssef M,De Sanctis JB,Kanagaratham C,Tao S,Ahmed E,Radzioch D

更新日期：2020-01-08 00:00:00

abstract：:To evaluate the effects of a neutron activation radiolabeling technique on an enteric-coated multiparticulate formulation of erythromycin, test quantities were produced under industrial pilot scale conditions. The pellets contained the stable isotope erbium oxide (Er-170), which was later converted by neutron activati...

journal_title：Pharmaceutical research

authors： Parr AF,Digenis GA,Sandefer EP,Ghebre-Sellassie I,Iyer U,Nesbitt RU,Scheinthal BM

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To better understand the nature of drug-excipient interactions we have studied the phase behavior of amorphous binary and ternary mixtures of citric acid, indomethacin and PVP, as model systems. METHODS:We have prepared amorphous mixtures by co-melting or coprecipitation from solvents, and have measured glass ...

journal_title：Pharmaceutical research

authors： Lu Q,Zografi G

更新日期：1998-08-01 00:00:00

abstract：PURPOSE:In vitro in vivo correlation (IVIVC) is a biopharmaceutical tool recommended for use in formulation development. When validated, IVIVC can be used to set dissolution limits and, based on the dissolution limits, as a surrogate for an in vivo study. The purpose of this paper is to study the various methods used t...

journal_title：Pharmaceutical research

authors： Roudier B,Davit BM,Beyssac E,Cardot JM

更新日期：2014-09-01 00:00:00

abstract：:A sensitive radioreceptor assay (RRA) to determine the serum concentrations of fentanyl, pentazocine and morphine was developed on the basis of the drug's competition with a labeled tracer ((3)H-naloxone) for the membrane bound opioid receptor in rat brain homogenates. The binding data were computer-fitted to a standa...

journal_title：Pharmaceutical research

authors： Grevel J,Thomas J,Richards ML,Sadée W

更新日期：1984-09-01 00:00:00

abstract：:Physicochemical effects caused by intestinal fluids on drugs in the gastrointestinal (GI) tract can be a contributing factor in food induced changes in bioavailability. To identify physicochemical properties of gemfibrozil that may be altered by endogenous and dietary lipids, in vitro studies were conducted in model s...

journal_title：Pharmaceutical research

authors： Luner PE,Babu SR,Radebaugh GW

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine the existence of insulin-degrading enzyme (EC 3.4.22.11) (IDE) in rat intestinal enterocytes. METHODS:Subcellular fractionation, biochemical characterization, immunoprecipitation, and western blots were employed. RESULTS:Insulin-degrading activity was localized in th...

journal_title：Pharmaceutical research

authors： Bai JP,Chang LL

更新日期：1995-08-01 00:00:00

abstract：:The bioavailability of a new sustained-release potassium chloride (KCl) tablet, designed for once-a-day dosing, was compared to a KCl elixir using urinary excretion data. The study utilized 25 male volunteers dosed in a crossover design in a dietary/activity-controlled environment. The regimens consisted of a total of...

journal_title：Pharmaceutical research

authors： Betlach CJ,Arnold JD,Frost RW,Leese PT,Gonzalez MA

更新日期：1987-10-01 00:00:00

abstract：PURPOSE:Fusogenic liposomes (FLs) are unique delivery vehicles capable of introducing their contents directly into the cytoplasm with the aid of envelope glycoproteins of Sendai virus (SeV). The objective of this study was to evaluate the potential of FL to improve the mucosal absorption of insulin from rat intestinal ...

journal_title：Pharmaceutical research

authors： Goto T,Morishita M,Nishimura K,Nakanishi M,Kato A,Ehara J,Takayama K

更新日期：2006-02-01 00:00:00

abstract：PURPOSE:Because interleukin-10 (IL-10) seems a promising new antifibrotic drug, we investigated the pharmacokinetic and biodistribution profile of this potent therapeutic cytokine in rats with extensive liver fibrosis (BDL-3). IL-10 receptor expression was also determined in relation to these aspects. METHODS:To study...

journal_title：Pharmaceutical research

authors： Rachmawati H,Beljaars L,Reker-Smit C,Van Loenen-Weemaes AM,Hagens WI,Meijer DK,Poelstra K

更新日期：2004-11-01 00:00:00

abstract：PURPOSE:Penetration enhancers (PEs) enhancing efficacy depends on two processes: PEs release from patches and action on skin. Compared with their action on skin, PEs release process was poorly understood. Therefore, the purpose of this study was to make a mechanistic understanding of PEs release from acrylic pressure-s...

journal_title：Pharmaceutical research

authors： Zeng L,Song W,He W,Zhang J,Wang Y,Bian J,Mao Z,Quan D,Liu J

更新日期：2020-08-13 00:00:00

abstract：PURPOSE:Effects of polyvinylpyrrolidone (PVP) molecular weight on the solid-state intermolecular interactions among probucol/PVP/sodium dodecyl sulfate (SDS) ternary ground mixtures (GM) and the formation of nanoparticles were investigated by solid-state NMR spectroscopy. MATERIALS AND METHODS:Ternary GMs of probucol ...

journal_title：Pharmaceutical research

authors： Pongpeerapat A,Higashi K,Tozuka Y,Moribe K,Yamamoto K

更新日期：2006-11-01 00:00:00

abstract：:A liposomal formulation of methylprednisolone (L-MPL) was developed to improve localization of this immunosuppressant in lymphatic tissues. Liposomes containing MPL were formulated from a mixture of phosphatydylcholine and phosphatydylglycerol (molar ratio, 9:1) and sized by extrusion through a 0.1-micron membrane. Ma...

journal_title：Pharmaceutical research

authors： Mishina EV,Straubinger RM,Pyszczynski NA,Jusko WJ

更新日期：1993-10-01 00:00:00

abstract：PURPOSE:Tumor vascular normalization by antiangiogenic agents may increase tumor perfusion but reestablish vascular barrier properties in CNS tumors. Vascular priming via nanoparticulate carriers represents a mechanistically distinct alternative. This study investigated mechanisms by which sterically-stabilized liposom...

journal_title：Pharmaceutical research

authors： Roy Chaudhuri T,Arnold RD,Yang J,Turowski SG,Qu Y,Spernyak JA,Mazurchuk R,Mager DE,Straubinger RM

更新日期：2012-12-01 00:00:00

abstract：PURPOSE:This study aims to conduct an impact investigation in the hydrophobic-hydrophilic balance as an important factor for dissolution improvement of a hydrophilic carrier-based solid dispersion system. METHODS:Polymeric carriers with different hydrophobic to hydrophilic ratios were used to prepare several electrosp...

journal_title：Pharmaceutical research

authors： Teoh XY,Yeoh Y,Yoong LK,Chan SY

更新日期：2020-01-07 00:00:00

abstract：PURPOSE:Recombinant human platelet glycoprotein Ibalpha-immunoglobulin G1 chimeric proteins (GPIbalpha-Ig) have varying levels of anti-thrombotic activities based on their ability to compete for platelet mediated adhesion to von Willebrand Factor (vWF). Valine substituted GPIbalpha-Ig chimeras, at certain position, inc...

journal_title：Pharmaceutical research

authors： Wang Q,Shorten D,Xu X,Shaw GD,Schaub RG,Shea C,Brooks J,Sako D,Wiswall E,Xu J,Szklut P,Patel VS

更新日期：2006-08-01 00:00:00

abstract：PURPOSE:Type I collagen accumulates during liver fibrosis primarily because α-complex protein-2 (αCP(2)), encoded by the poly(rC) binding protein 2 (PCBP2) gene, binds to the 3' end of the collagen mRNA and increases its half-life. This study aimed to reverse the pro-fibrogenic effect of alcohol on hepatic stellate cel...

journal_title：Pharmaceutical research

authors： Shukla RS,Qin B,Wan YJ,Cheng K

更新日期：2011-12-01 00:00:00

abstract：PURPOSE:To design, synthesize, and test synthetic glycopeptide-based delivery systems for gene targeting to hepatocytes by systemic administration. METHODS:All peptides were synthesized by the solid phase method developed using Fmoc chemistry on a peptide synthesizer. The binding of galactosylated peptides to HepG2 ce...

journal_title：Pharmaceutical research

authors： Anwer K,Logan M,Tagliaferri F,Wadhwa M,Monera O,Tung CH,Chen W,Leonard P,French M,Proctor B,Wilson E,Singhal A,Rolland A

更新日期：2000-04-01 00:00:00

abstract：PURPOSE:The use of dendrimers for biomedical applications has emerged with promising results. 2G-NN16 is a carbosilane dendrimer with sixteen positive charges per molecule tested to be capable to bind and release antisense oligonucleotides (ODNs) and small interference RNA (siRNA) in vitro. In spite of low cytotoxicity...

journal_title：Pharmaceutical research

authors： Gras R,Almonacid L,Ortega P,Serramia MJ,Gomez R,de la Mata FJ,Lopez-Fernandez LA,Muñoz-Fernandez MA

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:The cell surface adhesion molecule CD44 plays important roles in the initiation and development of atherosclerotic plaques. We aim to develop nanoparticles that can selectively target CD44 for the non-invasive detection of atherosclerotic plaques by magnetic resonance imaging. METHODS:Magnetic glyconanoparticl...

journal_title：Pharmaceutical research

authors： El-Dakdouki MH,El-Boubbou K,Kamat M,Huang R,Abela GS,Kiupel M,Zhu DC,Huang X

更新日期：2014-06-01 00:00:00

abstract：PURPOSE:To demonstrate that polyanhydride copolymer chemistry affects the uptake and intracellular compartmentalization of nanospheres by THP-1 human monocytic cells. METHODS:Polyanhydride nanospheres were prepared by an anti-solvent nanoprecipitation technique. Morphology and particle diameter were confirmed via scan...

journal_title：Pharmaceutical research

authors： Ulery BD,Phanse Y,Sinha A,Wannemuehler MJ,Narasimhan B,Bellaire BH

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:The heats of reaction between the enantiomers and racemates of ibuprofen and naproxen and human serum albumin (HSA) are to be measured with and without the addition of octanoic acid. The effects of octanoic acid on the free energies of interaction between the drugs and HSA is to be determined and compared to th...

journal_title：Pharmaceutical research

authors： Cheruvallath VK,Riley CM,Narayanan SR,Lindenbaum S,Perrin JH

更新日期：1996-01-01 00:00:00

abstract：:A novel floating controlled-release drug delivery system was formulated in an effort increase the gastric retention time of the dosage form and to control drug release. The buoyancy was attributed to air and oil entrapped in the agar gel network. A floating controlled-release 300-mg theophylline tablet having a densit...

journal_title：Pharmaceutical research

authors： Desai S,Bolton S

更新日期：1993-09-01 00:00:00

abstract：PURPOSE:To compare the permeation characteristics of amide bond-containing HIV-1 protease inhibitors and their pyrrolinone-containing counterparts across Caco-2 cell monolayers, a model of the intestinal mucosa. METHODS:Transepithelial transport and cellular uptake of three pairs of amide bond-containing and pyrrolino...

journal_title：Pharmaceutical research

authors： Sudoh M,Pauletti GM,Yao W,Moser W,Yokoyama A,Pasternak A,Sprengeler PA,Smith AB 3rd,Hirschmann R,Borchardt RT

更新日期：1998-05-01 00:00:00

abstract：OBJECTIVE:The objective of this work was to determine plasma protein adsorption and macrophage phagocytosis of biodegradable polyanhydride, polylactic acid and polylactic-co-glycolic acid microspheres prepared by both spray-drying and solvent evaporation techniques. METHODS:Microspheres were characterized by scanning ...

journal_title：Pharmaceutical research

authors： Lacasse FX,Filion MC,Phillips NC,Escher E,McMullen JN,Hildgen P

更新日期：1998-02-01 00:00:00

abstract：PURPOSE:To compare the physical stability of amorphous molecular level solid dispersions of nifedipine and felodipine, in the presence of poly(vinylpyrrolidone) (PVP) and small amounts of moisture. METHODS:Thin amorphous films of nifedipine and felodipine and amorphous molecular level solid dispersions with PVP were s...

journal_title：Pharmaceutical research

authors： Marsac PJ,Konno H,Rumondor AC,Taylor LS

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:To determine of the pharmacokinetic profile of methotrexate (MTX) in blood and extracellular fluid (ECF) of VX2 tumor and muscle in rabbits. METHODS:Microdialysis probes were inserted into VX2 tumor and in muscle tissue. Following intravenous administration of MTX (30 mg/kg), serial collection of arterial bloo...

journal_title：Pharmaceutical research

authors： Dukic S,Kaltenbach ML,Gourdier B,Marty H,Vistelle R

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:With the recent approval of the first small interfering RNA (siRNA) therapeutic formulated as nanoparticles, there is increased incentive for establishing the factors of importance for the design of stable solid dosage forms of such complex nanomedicines. METHODS:The aims of this study were: (i) to identify...

journal_title：Pharmaceutical research

authors： Dormenval C,Lokras A,Cano-Garcia G,Wadhwa A,Thanki K,Rose F,Thakur A,Franzyk H,Foged C

更新日期：2019-08-02 00:00:00

abstract：:The area function method for assessing zero-order (ko) drug absorption rates was compared to four other methods under conditions where variation occurs in the plasma concentration data and in the elimination rate constant (kel or k10) for one- or two-compartment models. For deviant kel values of a one-compartment mode...

journal_title：Pharmaceutical research

authors： Cheng HY,Jusko WJ

更新日期：1990-01-01 00:00:00