Application of fractal kinetics for carrier-mediated transport of drugs across intestinal epithelial membrane.

abstract：PURPOSE:The aim was to evaluate fluorescent molecular rotors (DCVJ and CCVJ), which are mainly sensitive to viscosity, for the characterization of polysorbate-containing IgG formulations and compare them to the polarity-sensitive dyes ANS, Bis-ANS and Nile Red. METHODS:IgG formulations with polysorbate 20 or 80 were s...

journal_title：Pharmaceutical research

authors： Hawe A,Filipe V,Jiskoot W

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To study the expression of P-glycoprotein (P-gp), lung resistance-related protein (LRP), and caveolin-1 (cav-1) in the human bronchial epithelial cell line 16HBE14o-. METHODS:The presence of P-gp, LRP, and cav-1 in 16HBE14o- cell layers was evaluated using immunocytochemical staining and visualization with con...

journal_title：Pharmaceutical research

authors： Ehrhardt C,Kneuer C,Laue M,Schaefer UF,Kim KJ,Lehr CM

更新日期：2003-04-01 00:00:00

abstract：PURPOSES:To evaluate the effects of component contents in different colistin methanesulfonate (CMS) formulas on their clinical pharmacokinetics of the prodrug CMS and the formed colistin. METHODS:Two CMS formulas (CTTQ and Parkedale) were investigated in a single dose, randomized, open-label, crossover study conducted...

journal_title：Pharmaceutical research

authors： Fan YX,Chen YC,Li Y,Yu JC,Bian XC,Li X,Li WZ,Guo BN,Wu HL,Liu XF,Wang Y,Xu XY,Hu JL,Wang JJ,Wu XJ,Cao GY,Wu JF,Xue CJ,Feng J,Zhang YY,Zhang J

更新日期：2021-01-26 00:00:00

abstract：PURPOSE:Platinum-based therapies are the first line treatments for most types of cancer including ovarian cancer. However, their use is associated with dose-limiting toxicities and resistance. We report initial translational studies of a theranostic nanoemulsion loaded with a cisplatin derivative, myrisplatin and pro-a...

journal_title：Pharmaceutical research

authors： Ganta S,Singh A,Kulkarni P,Keeler AW,Piroyan A,Sawant RR,Patel NR,Davis B,Ferris C,O'Neal S,Zamboni W,Amiji MM,Coleman TP

更新日期：2015-08-01 00:00:00

abstract：:The Office of Generic Drugs has ensured the high quality of generic products based upon two requirements: pharmaceutical equivalence and bioequivalence to the reference listed drug (RLD). This paradigm has been used with success toward ensuring quality generic drug products that provide the same therapeutic benefit as...

journal_title：Pharmaceutical research

authors： Raw AS,Lionberger R,Yu LX

更新日期：2011-07-01 00:00:00

abstract：:We investigated the effects of increased concentrations of the solutes, salicylic acid, benzoic acid, and o-, m-, and p-methoxy benzoic acids, on the anisotropic properties of a liquid crystal solvent. The lamellar liquid crystal was composed of 37% polyoxyethylene (20) isohexadecyl ether in aqueous buffer of pH 1. Ph...

journal_title：Pharmaceutical research

authors： Ibrahim HG,Sallam ES,Takieddin M,Habboub M

更新日期：1993-05-01 00:00:00

abstract：PURPOSE:To assess the effects of selective lipid extraction and tape stripping on transepidermal water loss (TEWL) at three body regions in the pig. METHODS:Lipids were extracted from the abdominal, inguinal. and back regions using three different solvent extraction procedures or cellophane tape stripping (15x) on Yor...

journal_title：Pharmaceutical research

authors： Monteiro-Riviere NA,Inman AO,Mak V,Wertz P,Riviere JE

更新日期：2001-07-01 00:00:00

abstract：PURPOSE:A theory and computer programs running on Microsoft Excel for Windows for calculation of solution pH, buffer formula, and buffer capacity at a given ionic strength and temperature were developed. The theory does not limit the category of buffer components, the number of buffer components, or the number of ioniz...

journal_title：Pharmaceutical research

authors： Okamoto H,Mori K,Ohtsuka K,Ohuchi H,Ishii H

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:The objective of this study was to evaluate the in vivo consequences of glycyl-glutamate coadministration on gabapentin oral absorption. METHODS:Rats were administered gabapentin (10 mg/kg plus radiotracer) by gastric gavage, in the absence and presence of dipeptides, and by intravenous administration. Serial ...

journal_title：Pharmaceutical research

authors： Nguyen TV,Fleisher D,Smith DE

更新日期：2007-08-01 00:00:00

abstract：PURPOSE:To compare the ability of alkyl-aryl isothiocyanates (ITCs) to increase the activities of the Phase 2 detoxification enzymes NAD[P]H:quinone acceptor oxidoreductase 1 (NQO1) and glutathione S-transferases (GST) in rat tissues in vivo and in cells in vitro. MATERIALS AND METHODS:Twelve alkyl-aryl ITCs and the f...

journal_title：Pharmaceutical research

authors： Munday R,Zhang Y,Munday CM,Bapardekar MV,Paonessa JD

更新日期：2008-09-01 00:00:00

abstract：PURPOSE:Excipients are added to lyophilized protein drug formulations to protect the protein during processing and storage, but the mechanisms are poorly understood. Here, hydrogen/deuterium (H/D) exchange with mass spectrometry was used to assess protein conformation and excipient interactions in lyophilized solids. ...

journal_title：Pharmaceutical research

authors： Li Y,Williams TD,Topp EM

更新日期：2008-02-01 00:00:00

abstract：PURPOSE:Lapatinib, a small molecule EGFR/HER2 inhibitor, partially inhibits the outgrowth of HER2+ brain metastases in preclinical models and in a subset of CNS lesions in clinical trials of HER2+ breast cancer. We investigated the ability of lapatinib to reach therapeutic concentrations in the CNS following (14)C-lapa...

journal_title：Pharmaceutical research

authors： Taskar KS,Rudraraju V,Mittapalli RK,Samala R,Thorsheim HR,Lockman J,Gril B,Hua E,Palmieri D,Polli JW,Castellino S,Rubin SD,Lockman PR,Steeg PS,Smith QR

更新日期：2012-03-01 00:00:00

abstract：PURPOSE:The aim of this study was to examine if sparging with CO2(g) could be used to establish stable biorelevant bicarbonate buffers, in aqueous medium, for use in dissolution characterization of low-solubility ionizable drugs. METHODS:Preparation of the bicarbonate-containing dissolution medium was monitored by use...

journal_title：Pharmaceutical research

authors： McNamara DP,Whitney KM,Goss SL

更新日期：2003-10-01 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：PURPOSE:TXA9, a novel cardiac glycoside, has a potent anti-proliferative effect against A549 human lung cancer cells, however, possesses a poor water-solubility and a rapid metabolic rate in vivo which limited the further development of TXA9. To overcome the shortcomings of TXA9, four polymer prodrugs of TXA9 were desi...

journal_title：Pharmaceutical research

authors： Li Y,Ye C,Cai C,Zhao M,Han N,Liu Z,Zhai J,Yin J

更新日期：2020-03-12 00:00:00

abstract：PURPOSE:This study aimed to characterize the transepithelial transport of miltefosine (HePC), the first orally effective drug against visceral leishmaniasis, across the intestinal barrier to further understand its oral absorption mechanism. MATERIALS AND METHODS:Caco-2 cell monolayers were used as an in vitro model of...

journal_title：Pharmaceutical research

authors： Ménez C,Buyse M,Dugave C,Farinotti R,Barratt G

更新日期：2007-03-01 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:To investigate the potential of a novel lipid carrier, comprising beads of alpha-cyclodextrin and soybean oil, for topical drug delivery. Adapalene was chosen as a model drug to explore the ability of the beads to encapsulate and release a highly lipophilic compound. MATERIALS AND METHODS:Adapalene-loaded bead...

journal_title：Pharmaceutical research

authors： Trichard L,Delgado-Charro MB,Guy RH,Fattal E,Bochot A

更新日期：2008-02-01 00:00:00

abstract：PURPOSE:To examine whether the glass transition temperature (Tg) of freeze-dried formulations containing polymer excipients can be accurately predicted by molecular dynamics simulation using software currently available on the market. Molecular dynamics simulations were carried out for isomaltodecaose, a fragment of de...

journal_title：Pharmaceutical research

authors： Yoshioka S,Aso Y,Kojima S

更新日期：2003-06-01 00:00:00

abstract：:The effect of different concentrations of polyvinyl alcohol 14000 and 72000 (PVA 14 and 72) on the activity of betamethasone and phenylephrine hydrochloride in the rabbit eye was investigated. The polymer of higher molecular weight exerts a more pronounced effect at relatively lower viscosities. Effects on the intraoc...

journal_title：Pharmaceutical research

authors： Kassem MA,Attia MA,Habib FS,Mohamed AR

更新日期：1986-08-01 00:00:00

abstract：PURPOSE:We have shown that the three human prostate xenograft tumors, i.e. the androgen-dependent CWR22 tumor, and the androgen-resistant CWR22R and CWR91 tumors, are comparable to patient tumors in their expression of prostate specific antigen, multidrug resistance p-glycoprotein, p53 and Bcl-2 and in their sensitivit...

journal_title：Pharmaceutical research

authors： Gan Y,Au JL,Lu J,Wientjes MG

更新日期：1998-11-01 00:00:00

abstract：PURPOSE:An in vitro dynamic pharmacokinetic (PK) cell culture system was developed to more precisely simulate physiologic nanoparticle/drug exposure. METHODS:A dynamic PK cell culture system was developed to more closely reflect physiologic nanoparticle/drug concentrations that are changing with time. Macrophages were...

journal_title：Pharmaceutical research

authors： Kutscher HL,Morse GD,Prasad PN,Reynolds JL

更新日期：2019-02-01 00:00:00

abstract：PURPOSE:To develop a new intradermal antigen delivery system by coating microneedle arrays with lipid bilayer-coated, antigen-loaded mesoporous silica nanoparticles (LB-MSN-OVA). METHODS:Synthesis of MSNs with 10-nm pores was performed and the nanoparticles were loaded with the model antigen ovalbumin (OVA), and coate...

journal_title：Pharmaceutical research

authors： Tu J,Du G,Reza Nejadnik M,Mönkäre J,van der Maaden K,Bomans PHH,Sommerdijk NAJM,Slütter B,Jiskoot W,Bouwstra JA,Kros A

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:Safe, targeted delivery of therapeutics remains a focus of drug/gene delivery, the aim being to achieve optimal efficacy while minimising off-target delivery. Dendrimers have a vast array of potential applications and have great potential as gene and drug delivery tools. We previously reported the development o...

journal_title：Pharmaceutical research

authors： Shah ND,Parekh HS,Steptoe RJ

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:A key step of delivering extracellular agents to its intracellular target is to escape from endosomal/lysosomal compartments, while minimizing the release of digestive enzymes that may compromise cellular functions. In this study, we examined the intracellular distribution of both fluorecent cargoes and enzymes...

journal_title：Pharmaceutical research

authors： Zhan X,Tran KK,Wang L,Shen H

更新日期：2015-07-01 00:00:00

abstract：PURPOSE:Previously, a respirable powder (RP) formulation of pirfenidone (PFD) was developed for reducing phototoxic risk; however, PFD-RP demonstrated unacceptable in vitro inhalation performance. The present study aimed to develop a new RP system of PFD with favorable inhalation properties by spray-drying method. MET...

journal_title：Pharmaceutical research

authors： Seto Y,Suzuki G,Leung SS,Chan HK,Onoue S

更新日期：2016-06-01 00:00:00

abstract：PURPOSE:To characterize temporal exposure and elimination of 5 gold/dendrimer composite nanodevices (CNDs) (5 nm positive, negative, and neutral, 11 nm negative, 22 nm positive) in mice using a physiologically based mathematical model. METHODS:400 ug of CNDs is injected intravenously to mice bearing melanoma cell line...

journal_title：Pharmaceutical research

authors： Mager DE,Mody V,Xu C,Forrest A,Lesniak WG,Nigavekar SS,Kariapper MT,Minc L,Khan MK,Balogh LP

更新日期：2012-09-01 00:00:00

abstract：PURPOSE:VLPs displaying tumor targeting single-chain variable fragments (VLP-rscFvs) which targets tumor-associated glycoprotein-72 (TAG-72) marker protein have a potential for immunotherapy against colon carcinoma tumors. In this study, scFvs anchored on VLPs using glycosylphosphatidylinositol (GPI) were prepared to t...

journal_title：Pharmaceutical research

authors： Deo VK,Yui M,Alam J,Yamazaki M,Kato T,Park EY

更新日期：2014-08-01 00:00:00

abstract：PURPOSE:The major objectives of this study were to 1) develop a new mathematical model describing all phases of drug release from bioerodible microparticles; 2) evaluate the validity of the theory with experimental data; and 3) use the model to elucidate the release mechanisms in poly(lactide-co-glycolide acid)-based m...

journal_title：Pharmaceutical research

authors： Siepmann J,Faisant N,Benoit JP

更新日期：2002-12-01 00:00:00

abstract：PURPOSE:To investigate the ability of various polymers to inhibit the crystallization of amorphous felodipine from amorphous molecular dispersions in the presence of absorbed moisture. METHODS:Spin coated films of felodipine with poly(vinylpyrrolidone) (PVP), hydroxypropylmethylcellulose acetate succinate (HPMCAS) and...

journal_title：Pharmaceutical research

authors： Konno H,Taylor LS

更新日期：2008-04-01 00:00:00