Cyclodextrin-mediated drug release from liposomes dispersed within a bioadhesive gel.

abstract：:The simultaneous diffusion and metabolism of the D- and L-isomers of the aminopeptidase substrate, leucine-p-nitroanilide (LPNA), were examined in vitro in the hamster cheek pouch. L-LPNA was completely hydrolyzed during diffusion across the cheek pouch, whereas D-LPNA crossed the cheek pouch intact. The metabolic bar...

journal_title：Pharmaceutical research

authors： Garren KW,Topp EM,Repta AJ

更新日期：1989-11-01 00:00:00

abstract：:Silk is a remarkable biopolymer with a long history of medical use. Silk fabrications have a robust track record for load-bearing applications, including surgical threads and meshes, which are clinically approved for use in humans. The progression of top-down and bottom-up engineering approaches using silk as the basi...

journal_title：Pharmaceutical research

authors： Tran SH,Wilson CG,Seib FP

更新日期：2018-11-05 00:00:00

abstract：PURPOSE:To determine whether LHRH-receptor is expressed in Calu-3, a human bronchial epithelial cell line, and to further determine whether this receptor plays a role in the transport of deslorelin, an LHRH agonist. METHODS:Using cultured monolayers of Calu-3 grown at air-interface, the presence and localization of LH...

journal_title：Pharmaceutical research

authors： Koushik K,Bandi N,Sundaram S,Kompella UB

更新日期：2004-06-01 00:00:00

abstract：PURPOSE:To quantitatively compare in vitro dissolution data in biorelevant and compendial media, to investigate whether in vitro differences are reflected in the simulated plasma profile and to specify under which circumstances prediction of the plasma profile of orally administered lipophilic drugs can be achieved. M...

journal_title：Pharmaceutical research

authors： Nicolaides E,Symillides M,Dressman JB,Reppas C

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:This study examines methylprednisolone (MPL) effects on the dynamics of hepatic low-density lipoprotein receptor (LDLR) mRNA and plasma lipids associated with increased risks for atherosclerosis. MATERIALS AND METHODS:Normal male Wistar rats were given 50 mg/kg MPL intramuscularly (IM) and sacrificed at variou...

journal_title：Pharmaceutical research

authors： Hazra A,Pyszczynski NA,DuBois DC,Almon RR,Jusko WJ

更新日期：2008-04-01 00:00:00

abstract：:The relative effectiveness of two beta-cyclodextrin derivatives, i.e., dimethyl-beta-cyclodextrin (DM beta CD) and hydroxypropyl-beta-cyclodextrin (HP beta CD), in enhancing enteral absorption of insulin was evaluated in the lower jejunal/upper ileal segments of the rat by means of an in situ closed loop method. The i...

journal_title：Pharmaceutical research

authors： Shao Z,Li Y,Chermak T,Mitra AK

更新日期：1994-08-01 00:00:00

abstract：PURPOSE:To develop a dose dependent version of BCS and identify a critical dose after which the amount absorbed is independent from the dose. METHODS:We utilized a mathematical model of drug absorption in order to produce simulations of the fraction of dose absorbed (F) and the amount absorbed as function of the dose ...

journal_title：Pharmaceutical research

authors： Charkoftaki G,Dokoumetzidis A,Valsami G,Macheras P

更新日期：2012-11-01 00:00:00

abstract：PURPOSE:The structure-function relationship and mechanism of polycations as gene carriers have attracted considerable research interest in recent years. The present study was to investigate the relationship between polycation chain length and transfection efficiency (RCL-TE), and the corresponding mechanism by O-methyl...

journal_title：Pharmaceutical research

authors： Xu T,Wang S,Shao Z

更新日期：2014-04-01 00:00:00

abstract：:Moisture sorption characteristics and the effect of moisture content on the compression properties of two dextrose-based directly compressible diluents, namely, Emdex (diluent A) and Sweetrex (diluent B) were studied. Both diluents sorbed moisture rapidly at relative humidities greater than 60%. For both the diluents,...

journal_title：Pharmaceutical research

authors： Shukla AJ,Price JC

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:The aim of this work was to evaluate whether improved topical delivery of finasteride, focussed to the hair follicles of human scalp skin could be achieved with application of short durations of heat and use of specific chemical penetration enhancers. METHODS:Franz cell experiments with human scalp skin were p...

journal_title：Pharmaceutical research

authors： Farah HA,Brown MB,McAuley WJ

更新日期：2020-05-31 00:00:00

abstract：PURPOSE:Following extracellular drug clearance, we analyzed the rate of doxorubicin efflux from the nucleus of three human leukemic cells (K562, Molt4 and CCRF-CEM) and related it to their differential sensitivity to this drug, after a short drug pulse. RESULTS:For many pulse-chase regimes, K562 cell viability was lea...

journal_title：Pharmaceutical research

authors： Chen VY,Posada MM,Zhao L,Rosania GR

更新日期：2007-11-01 00:00:00

abstract：:Pharmacokinetic-pharmacodynamic modeling algorithms, in general, rely on hysteresis minimization techniques that assume time-invariant pharmacodynamics (constant biophase concentration-effect relationships). When time-variant pharmacodynamics are observed, a specific model for tolerance or sensitization is required. H...

journal_title：Pharmaceutical research

authors： Gastonguay MR,Schwartz SL

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:To evaluate the influence of the main biopharmaceutical factors on the viability of a new probiotic yeast strain, using dynamic in vitro systems simulating human gastric/small intestinal (TIM) and large intestinal (ARCOL) environments. METHODS:The viability of Saccharomyces cerevisiae CNCM I-3856 throughout th...

journal_title：Pharmaceutical research

authors： Blanquet-Diot S,Denis S,Chalancon S,Chaira F,Cardot JM,Alric M

更新日期：2012-06-01 00:00:00

abstract：PURPOSE:This study was conducted to investigate in vivo the impact of interferon-alpha (IFN)-alpha on P-glycoprotein (P-gp) activity in rats by studying how its administration modifies the bioavailability of digoxin, a fairly pure P-gp substrate. METHODS:Human recombinant IFN-alpha was given to rats (n = 5-7 per group...

journal_title：Pharmaceutical research

authors： Ben Reguiga M,Bonhomme-Faivre L,Orbach-Arbouys S,Farinotti R

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:We describe the AERX aerosol delivery system, a new, bolus inhalation device that is actuated at preprogrammed values of inspiratory flow rate and inhaled volume. We report on its in vitro characterization using a particular set of conditions used in pharmacokinetic and scintigraphic studies. METHODS:Multiple ...

journal_title：Pharmaceutical research

authors： Schuster J,Rubsamen R,Lloyd P,Lloyd J

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:Although flomoxef (FMOX) has attracted substantial attention as an antibiotic against extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-producing E. coli), the pharmacokinetics/pharmacodynamics (PK/PD) characteristics of FMOX against ESBL-producing E. coli is unclear. The aim of this study was t...

journal_title：Pharmaceutical research

authors： Tashiro S,Hayashi M,Takemura W,Igarashi Y,Liu X,Mizukami Y,Kojima N,Enoki Y,Taguchi K,Yokoyama Y,Nakamura T,Matsumoto K

更新日期：2021-01-06 00:00:00

abstract：PURPOSE:To identify the key formulation factors controlling the initial drug and polymer dissolution rates from an amorphous solid dispersion (ASD). METHODS:Ketoconazole (KTZ) ASDs using PVP, PVP-VA, HMPC, or HPMC-AS as polymeric matrix were prepared. For each drug-polymer system, two types of formulations with the sa...

journal_title：Pharmaceutical research

authors： Chen Y,Wang S,Wang S,Liu C,Su C,Hageman M,Hussain M,Haskell R,Stefanski K,Qian F

更新日期：2016-10-01 00:00:00

abstract：PURPOSE:The United States Pharmacopoeia (USP) imposes strict requirements on the geometry and operating conditions of the USP Dissolution Testing Apparatus II. A previously validated Computational Fluid Dynamics (CFD) approach was used here to study the hydrodynamics of USP Apparatus II when the impeller was placed at ...

journal_title：Pharmaceutical research

authors： Bai G,Armenante PM

更新日期：2008-02-01 00:00:00

abstract：PURPOSE:The objective of this work is to understand the sequence specificity of HAV peptides and to improve their selectivity in regulating E-cadherin-E-cadherin interactions in the intercellular junctions. METHODS:Peptide 1 was modified using an alanine scanning method to give peptides 2-6. The ability of these pepti...

journal_title：Pharmaceutical research

authors： Makagiansar IT,Avery M,Hu Y,Audus KL,Siahaan TJ

更新日期：2001-04-01 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 in-situ particle size of delavirdine mesylate in dry mix and tablets was determined. METHODS:Optical microscopy and fluorescence microscopy combined with image analysis were used for qualitative and quantitative measurements. RESULTS:Using optical microscopy, it was demonstrated qualitatively that fragmen...

journal_title：Pharmaceutical research

authors： White JG

更新日期：1999-04-01 00:00:00

abstract：PURPOSE:A mechanism-based PK-PD model was developed to predict the time course of dopamine D(2) receptor occupancy (D(2)RO) in rat striatum following administration of olanzapine, an atypical antipsychotic drug. METHODS:A population approach was utilized to quantify both the pharmacokinetics and pharmacodynamics of ol...

journal_title：Pharmaceutical research

authors： Johnson M,Kozielska M,Pilla Reddy V,Vermeulen A,Li C,Grimwood S,de Greef R,Groothuis GM,Danhof M,Proost JH

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:To examine the presence of multiplicity for the biliary excretion of xenobiotic conjugates, we studied the disposition of glycyrrhizin (GR), which has glucuronide within its molecular structure and has the ability to inhibit the biliary excretion of liquiritigenin (LG) glucuronides. METHODS:GR was administered...

journal_title：Pharmaceutical research

authors： Shimamura H,Suzuki H,Tagaya O,Horie T,Sugiyama Y

更新日期：1996-12-01 00:00:00

abstract：:Chemical enhancers and vehicles were tested for their ability to improve the percutaneous absorption of leuprolide, a nonapeptide (luteinizing hormone releasing hormone analogue; MW 1209.4). In vitro permeabilities in nude mouse, snake, and cadaver skin were evaluated in either Franz diffusion cells or a Bronaugh flow...

journal_title：Pharmaceutical research

authors： Lu MY,Lee D,Rao GS

更新日期：1992-12-01 00:00:00

abstract：:Excessive production of reactive oxygen species by alveolar macrophages (AMs) in response to inhaled toxic substances is a major cause of oxidative lung injury. Therapeutic approaches designed to protect the lungs from oxidative injury by administering native antioxidant enzymes such as catalase and superoxide dismuta...

journal_title：Pharmaceutical research

authors： Harrison J,Shi X,Wang L,Ma JK,Rojanasakul Y

更新日期：1994-08-01 00:00:00

abstract：PURPOSE:The combination of morphine and gabapentin seems promising for the treatment of postoperative and neuropathic pain. Despite the well characterised pharmacodynamic interaction, little is known about possible pharmacokinetic interactions. The aim of this study was to evaluate whether co-administration of the two ...

journal_title：Pharmaceutical research

authors： Papathanasiou T,Juul RV,Gabel-Jensen C,Kreilgaard M,Lund TM

更新日期：2016-11-01 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：PURPOSE:To study the relative thermodynamic and kinetic stabilities of neotame anhydrate polymorphs A, D, F, and G, and to develop a quantitative method for analyzing polymorphic mixtures of A and G by powder X-ray diffractometry (PXRD). METHODS:Based on the melting points, heats of fusion, and densities of the four p...

journal_title：Pharmaceutical research

authors： Dong Z,Munson EJ,Schroeder SA,Prakash I,Grant DJ

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:To measure the diffusion of nanometer polymersomes through tissue engineered human oral mucosa. METHODS:In vitro models of full thickness tissue engineered oral mucosa (TEOM) were used to assess the penetration properties of two chemically different polymersomes comprising two of block copolymers, PMPC-PDPA an...

journal_title：Pharmaceutical research

authors： Hearnden V,Lomas H,Macneil S,Thornhill M,Murdoch C,Lewis A,Madsen J,Blanazs A,Armes S,Battaglia G

更新日期：2009-07-01 00:00:00

abstract：PURPOSE:To develop a safe and effective non-viral vector for gene delivery and transfection in macrophages for potential anti-inflammatory therapy. METHODS:Solid nanoparticles-in-emulsion (NiE) multi-compartmental delivery system was designed using plasmid DNA-encapsulated type B gelatin nanoparticles suspended in the...

journal_title：Pharmaceutical research

authors： Attarwala H,Amiji M

更新日期：2012-06-01 00:00:00