A new mathematical model quantifying drug release from bioerodible microparticles using Monte Carlo simulations.

abstract：PURPOSE:The purpose of the present study is to explore whether a poly-L-arginine (poly-L-Arg)-induced increase in tight junctions (TJ) permeability of fluorescein isothiocyanate-labeled dextran (MW 4.4 kDa, FD-4) is associated with the Ca2+-dependent signaling and occurs following the phosphorylation/dephosphorylation ...

journal_title：Pharmaceutical research

authors： Ohtake K,Maeno T,Ueda H,Ogihara M,Natsume H,Morimoto Y

更新日期：2003-11-01 00:00:00

abstract：:Sodium taurodihydrofusidate (STDHF) is one of the most promising absorption enhancers for nasal delivery of peptide drugs. Drugs and additives in nasal formulations should not interfere with the self-cleaning capacity of the nose by the ciliary epithelium. Measured in vitro on human adenoid tissue with a photoelectric...

journal_title：Pharmaceutical research

authors： Hermens WA,Hooymans PM,Verhoef JC,Merkus FW

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:Exenatide, a potent insulinotropic agent, can be used for the treatment of non-insulin-dependent diabetes mellitus. However, the need for frequent injections seriously limits its therapeutic utility. The aim of present report was to develop an orally available exenatide formulation using goblet cell-targeting n...

journal_title：Pharmaceutical research

authors： Li X,Wang C,Liang R,Sun F,Shi Y,Wang A,Liu W,Sun K,Li Y

更新日期：2015-03-01 00:00:00

abstract：PURPOSE:Indomethacin is well known to be metabolized via O-demethylation and N-deacylation. In this paper we found an enzyme involved in the hydrolysis of amide-linkage of indomethacin and partially characterized it as well as its substrate specificity. METHODS:An indomethacin hydrolyzing enzyme was purified to homoge...

journal_title：Pharmaceutical research

authors： Terashima K,Takai S,Usami Y,Adachi T,Sugiyama T,Katagiri Y,Hirano K

更新日期：1996-09-01 00:00:00

abstract：:Using brine shrimp lethality to direct fractionation, extracts of the bark of Annona bullata Rich. (Annonaceae) have yielded 16 alpha-hydroxy-(-)-kauranoic acid as a bioactive plant constituent. This previously known diterpene showed significant (ED50 8.25 x 10(-2) micrograms/ml) and selective cytotoxicity against A-5...

journal_title：Pharmaceutical research

authors： Hui YH,Chang CJ,Smith DL,McLaughlin JL

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:Percutaneous absorption assays of molecules for pharmaceutical and cosmetology purposes are important to determine the bioavailability of new compounds, once topically applied. The current method of choice is to measure the rate of diffusion through excised human skin using a diffusion cell. This method however...

journal_title：Pharmaceutical research

authors： Provin C,Nicolas A,Grégoire S,Fujii T

更新日期：2015-08-01 00:00:00

abstract：:A method of immobilizing urokinase on albumin microspheres has been developed. Laser scattering, which was used to follow particle size from the initial emulsification stage to the final aqueous resuspension of the microsphere stage, showed that particle coalescence and crosslinking were critical parameters in manufac...

journal_title：Pharmaceutical research

authors： Bhargava K,Ando HY

更新日期：1992-06-01 00:00:00

abstract：PURPOSE:To analyze the mechanics of some pharmaceutical agglomerates during uniaxial confined compression by using compression parameters derived from the Heckel, Kawakita and Adams equations, and to study the influence of these compression parameters on the tablet-forming ability of agglomerates. METHODS:Force and di...

journal_title：Pharmaceutical research

authors： Nicklasson F,Alderborn G

更新日期：2000-08-01 00:00:00

abstract：PURPOSE:Topoisomerase II (Topo II) preferentially cuts DNA at alternating purine-pyrimidine repeats. Different Topo II poisons may affect Topo II to produce distinct drug-specific DNA cleavage patterns. GL331 is a new podophyllotoxin derivative exhibiting potent Topo II-poisoning activity. Therefore, the sequence selec...

journal_title：Pharmaceutical research

authors： Lee CC,Huang TS

更新日期：2001-06-01 00:00:00

abstract：:Penetration of various compounds through shed snake skin was measured in vitro to examine the effect of lipophilicity and molecular size of a compound on permeability through this model membrane. The permeabilities were found to be controlled by the lipophilicity and the molecular size of the permeant. The smaller and...

journal_title：Pharmaceutical research

authors： Itoh T,Magavi R,Casady RL,Nishihata T,Rytting JH

更新日期：1990-12-01 00:00:00

abstract：PURPOSE:Changes in drug absorption and first-pass metabolism have been reported throughout the pediatric age range. Our aim is to characterize both intestinal and hepatic CYP3A-mediated metabolism of midazolam in children in order to predict first-pass and systemic metabolism of CYP3A substrates. METHODS:Pharmacokinet...

journal_title：Pharmaceutical research

authors： Brussee JM,Yu H,Krekels EHJ,Palić S,Brill MJE,Barrett JS,Rostami-Hodjegan A,de Wildt SN,Knibbe CAJ

更新日期：2018-07-30 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：PURPOSE:Simvastatin (SIM), a HMG-CoA reductase inhibitor widely prescribed for hypercholesterolemia, has been reported to ameliorate inflammation and promote osteogenesis. Its clinical applications on these potential secondary indications, however, have been hampered by its lack of osteotropicity and poor water solubil...

journal_title：Pharmaceutical research

authors： Wang X,Jia Z,Almoshari Y,Lele SM,Reinhardt RA,Wang D

更新日期：2018-06-25 00:00:00

abstract：PURPOSE:To group microcrystalline celluloses (MCCs) using a combination of artificial neural network (ANN) and data clustering. METHODS:Radial basis function (RBF) network was used to model the torque measurements of the various MCCs. Output from the RBF network was used to group the MCCs using a data clustering techn...

journal_title：Pharmaceutical research

authors： Soh JL,Chen F,Liew CV,Shi D,Heng PW

更新日期：2004-12-01 00:00:00

abstract：PURPOSE:The aim was to design and thoroughly characterize monodisperse Fe3O4@SiO2-Ag nanoparticles with strong antibacterial properties, which makes them a candidate for targeting bacterial infections. METHODS:The monodisperse Fe3O4 nanoparticles were prepared by oleic acid-stabilized thermal decomposition of Fe(III) ...

journal_title：Pharmaceutical research

authors： Shatan AB,Venclíková K,Zasońska BA,Patsula V,Pop-Georgievski O,Petrovský E,Horák D

更新日期：2019-08-14 00:00:00

abstract：PURPOSE:We investigated optimum formulation characteristics in the nasal absorption of salmon calcitonin (sCT) by incorporation of acylcarnitines. METHODS:Nasal sCT formulations were administered to anesthetized rats. Plasma calcium level was measured and pharmacological bioavailability (P.bioav) was calculated. RESU...

journal_title：Pharmaceutical research

authors： Kagatani S,Shinoda T,Fukui M,Ohmura T,Hasumi S,Sonobe T

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:Typical methods to study pMDI sprays employ particle sizing or visible light diagnostics, which suffer in regions of high spray density. X-ray techniques can be applied to pharmaceutical sprays to obtain information unattainable by conventional particle sizing and light-based techniques. METHODS:We present a t...

journal_title：Pharmaceutical research

authors： Mason-Smith N,Duke DJ,Kastengren AL,Stewart PJ,Traini D,Young PM,Chen Y,Lewis DA,Soria J,Edgington-Mitchell D,Honnery D

更新日期：2016-05-01 00:00:00

abstract：PURPOSE:To develop an isolated perfused rat liver (IPRL) model with low baseline levels of tumor necrosis factor (TNF)-alpha in the outlet perfusate to study the effects of immunostimulants and immunosuppressants on the release of TNF-alpha from this organ. METHODS:Isolated rat livers were perfused with a buffer conta...

journal_title：Pharmaceutical research

authors： Mehvar R,Zhang X

更新日期：2002-01-01 00:00:00

abstract：PURPOSE:It was the aim of this study to synthesize and characterize a novel chitosan-glutathione (GSH) conjugate providing improved mucoadhesive and permeation-enhancing properties. METHODS:Mediated by carbodiimide and N-hydroxysuccinimide, glutathione was covalently attached to chitosan via the formation of an amide ...

journal_title：Pharmaceutical research

authors： Kafedjiiski K,Föger F,Werle M,Bernkop-Schnürch A

更新日期：2005-09-01 00:00:00

abstract：:Knowledge Management (KM) is a key enabler for achieving quality in a lifecycle approach for production of biopharmaceuticals. Due to the important role that it plays towards successful implementation of Quality by Design (QbD), an analysis of KM solutions is needed. This work provides a comprehensive review of the in...

journal_title：Pharmaceutical research

authors： Rathore AS,Garcia-Aponte OF,Golabgir A,Vallejo-Diaz BM,Herwig C

更新日期：2017-02-01 00:00:00

abstract：PURPOSE:Non-small cell lung cancer is the leading cause of cancer related deaths globally. Considering the side effects and diminishing chemosensitivity to chemotherapy, novel treatment approaches are sought. Hence, we aim to develop a liposomal co-delivery system of pDNA expressing shRNA against PFKFB3 (pshPFKFB3) and...

journal_title：Pharmaceutical research

authors： Chowdhury N,Vhora I,Patel K,Doddapaneni R,Mondal A,Singh M

更新日期：2017-11-01 00:00:00

abstract：:Defined size fractions of polyethyleneglycol powder (MW = 10,000) were mixed with defined size fractions of alpha-lactose monohydrate in order to study the effect of compaction as a function of the weight ratios of the two excipients. For a precise control of the compression cycle, tablets were compressed on a Univers...

journal_title：Pharmaceutical research

authors： Blattner D,Kolb M,Leuenberger H

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:The long-term stability and nasal absorption characteristics of a basic nasal formulation of azetirelin, a thyrotropin-releasing hormone analog and its absorption enhancement by incorporation of acylcarnitines in the formulation were investigated. METHODS:The long-term stability of basic nasal azetirelin formu...

journal_title：Pharmaceutical research

authors： Kagatani S,Inaba N,Fukui M,Sonobe T

更新日期：1998-01-01 00:00:00

abstract：PURPOSE:The purpose of this study was to obtain an in vitro/in vivo correlation for the sustained release of a protein from poly(ethylene glycol) terephthalate (PEGT)/poly(butylene terephthalate) (PBT) microspheres. METHODS:Radiolabeled lysozyme was encapsulated in PEGT/PBT microspheres via a water-in-oil-in-water emu...

journal_title：Pharmaceutical research

authors： van Dijkhuizen-Radersma R,Wright SJ,Taylor LM,John BA,de Groot K,Bezemer JM

更新日期：2004-03-01 00:00:00

abstract：:Solution calorimetry has been employed to evaluate the stability constants and enthalpy changes associated with complex formation between alpha-, beta, or gamma-cyclodextrin (CD) and a group of amine compounds having the diphenylmethyl functionality. Data from thermal titrations of the compounds were analyzed using no...

journal_title：Pharmaceutical research

authors： Tong WQ,Lach JL,Chin TF,Guillory JK

更新日期：1991-07-01 00:00:00

abstract：OBJECTIVES:We recently demonstrated that fibrin-based tissue engineered blood vessels (TEV) exhibited vascular reactivity, matrix remodeling and sufficient strength for implantation into the veins of an ovine animal model, where they remained patent for 15 weeks. Here we present an approach to improve the mechanical pr...

journal_title：Pharmaceutical research

authors： Yao L,Liu J,Andreadis ST

更新日期：2008-05-01 00:00:00

abstract：:Intraocular enzymes convert the ketoxime analogues of some beta-adrenergic blockers via a sequential bioactivation process involving hydrolysis to the corresponding ketones followed by reduction to the aryloxyaminoalcohols, which then exert known and predictable physiological and pharmacological effects only at the si...

journal_title：Pharmaceutical research

authors： Bodor N,Prokai L

更新日期：1990-07-01 00:00:00

abstract：:Losartan, an antihypertensive agent in clinical development, was found to exist in two enantiotropic polymorphic forms, a low-temperature stable form (Form I) and a high-temperature stable form (Form II), the temperatures at which they are stable being related to the transition temperature. X-ray powder diffraction pa...

journal_title：Pharmaceutical research

authors： Raghavan K,Dwivedi A,Campbell GC Jr,Johnston E,Levorse D,McCauley J,Hussain M

更新日期：1993-06-01 00:00:00

abstract：:A series of multilamellar liposome dispersions was prepared from lipids of soy phosphatidylcholine or hydrogenated soy phosphatidylcholine containing from 0 to 30 mol% of either cholesterol, stearylamine, or dipalmitoyl phosphatidylglycerol. The liposome dispersions were aerosolized with a Collison nebulizer for 80 mi...

journal_title：Pharmaceutical research

authors： Niven RW,Schreier H

更新日期：1990-11-01 00:00:00

abstract：PURPOSE:To design and synthesize fatty acid-RGD peptide amphiphiles with ADA linker for their potential delivery of hydrophobic drugs like paclitaxel targeted to α(v)β(3) integrin overexpressing tumors. METHODS:Four amphiphiles - C16 or C18 fatty acid-RGD peptide and ADA linker were designed and synthesized. CMC, size...

journal_title：Pharmaceutical research

authors： Javali NM,Raj A,Saraf P,Li X,Jasti B

更新日期：2012-12-01 00:00:00