Effect of solution phase composition on the interaction between aqueous model solutes and polymeric container materials.

abstract：PURPOSE:To measure the charge to mass (Q/M) ratios of the impactor stage masses (ISM) from commercial Flixotide™ 250 μg Evohaler, containing fluticasone propionate (FP), Serevent™ 25 μg Evohaler, containing salmeterol xinafoate (SX), and a combination Seretide™ 250/25 μg (FP/SX) Evohaler metered dose inhalers (MDIs). M...

journal_title：Pharmaceutical research

authors： Rowland M,Cavecchi A,Thielmann F,Kulon J,Shur J,Price R

更新日期：2018-11-26 00:00:00

abstract：PURPOSE:To evaluate the effects of several buffers and excipients on the stability of glucagon during freeze-drying and storage as dried powder formulations. METHODS:The chemical and physical stability of glucagon in freeze-dried solid formulations was evaluated by a variety of techniques including mass spectrometry (...

journal_title：Pharmaceutical research

authors： Fang WJ,Qi W,Kinzell J,Prestrelski S,Carpenter JF

更新日期：2012-12-01 00:00:00

abstract：:Nanobiosensors with high sensitivity and specificity have shown great potential in the detection of diseases. The incorporation of therapeutic agents with nanobiosensors allows the simultaneous diagnosis and therapy of diseases. The delivery of nanobiosensors and therapeutic agents using polymers is a common strategy ...

journal_title：Pharmaceutical research

authors： Li Y,Yang HY,Lee DS

更新日期：2016-10-01 00:00:00

abstract：:The molecular environment of sucrose and mineral oil within sucrose and mineral oil solid state emulsions was investigated by NMR techniques. The 13C and 1H chemical shifts of sucrose and mineral oil to those observed in solid state emulsions (comprised of sucrose and mineral oil) were equivalent, indicating that the ...

journal_title：Pharmaceutical research

authors： Shively ML,Dec SF

更新日期：1994-09-01 00:00:00

abstract：:An on-line simultaneous assay for the enantiomers of verapamil (VA) and its three metabolites in plasma was developed with column-switching HPLC. This system consists of an ovomucoid protein chiral stationary phase coupled to an achiral reversed-phase column via a dilution tube and a trapping column. The reversed-phas...

journal_title：Pharmaceutical research

authors： Oda Y,Asakawa N,Kajima T,Yoshida Y,Sato T

更新日期：1991-08-01 00:00:00

abstract：PURPOSE:The study was performed for clarifying the mechanism of interaction between indoxyl sulfate (IS), a typical uremic toxin bound to site II, and site I-ligands when bound to human serum albumin (HSA). The effect of the N to B transition on the interactions was also examined. METHODS:Quantitative investigation of...

journal_title：Pharmaceutical research

authors： Sakai T,Yamasaki K,Sako T,Kragh-Hansen U,Suenaga A,Otagiri M

更新日期：2001-04-01 00:00:00

abstract：PURPOSE:The purpose of this study was (i) to develop glancing angle x-ray powder diffractometry (XRD) as a method for profiling phase transformations as a function of tablet depth; and (ii) to apply this technique to (a) study indomethacin crystallization during dissolution of partially amorphous indomethacin tablets a...

journal_title：Pharmaceutical research

authors： Debnath S,Predecki P,Suryanarayanan R

更新日期：2004-01-01 00:00:00

abstract：PURPOSE:To assess the efficacy of lipid-protein-sugar particles (LPSPs) in providing prolonged duration local anesthesia by percutaneous injection. METHODS:Bupivacaine-containing LPSPs were characterized and optimized in vitro. Male Sprague-Dawley rats were given sciatic nerve blocks with bupivacaine-containing LPSPs....

journal_title：Pharmaceutical research

authors： Kohane DS,Lipp M,Kinney RC,Lotan N,Langer R

更新日期：2000-10-01 00:00:00

abstract：PURPOSE:The purpose of this study was (a) to suggest a novel dermatopharmacokinetic (DPK) approach from which pharmacokinetic parameters relevant to the bioequivalence (BE) assessment of a topical formulation can be deduced while circumventing the need for numerous measurements and assumptions, and (b) to investigate w...

journal_title：Pharmaceutical research

authors： Ozdin D,Kanfer I,Ducharme MP

更新日期：2020-01-02 00:00:00

abstract：:Intranasal route continues to be one of the main focuses of drug delivery research. Although it is generally perceived that the nasal route could avoid the first-pass metabolism in liver and gastrointestinal tract, the role of metabolic conversions in systemic and brain-targeted deliveries of the parent compounds and ...

journal_title：Pharmaceutical research

authors： Wong YC,Zuo Z

更新日期：2010-07-01 00:00:00

abstract：:Leucine enkephalin (YGGFL) undergoes rapid degradation in sheep nasal mucosa to yield GGFL which is further degraded to FL. The activity of the nasal mucosal homogenate against YGGFL and GGFL (t1/2 12 and 7 min) was significantly greater than that observed with a nasal wash fluid (t1/2 40 and 13 min). The effect of cy...

journal_title：Pharmaceutical research

authors： Irwin WJ,Dwivedi AK,Holbrook PA,Dey MJ

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:Previous literature has suggested the absence of an effective barrier between the nasal mucosa and the brain for compounds administered via the nasal route. These experiments were conducted to elucidate the role of the blood-brain barrier efflux transporter P-glycoprotein (P-gp) in attenuating delivery of P-gp ...

journal_title：Pharmaceutical research

authors： Graff CL,Pollack GM

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:To determine whether a Protected Graft Copolymer (PGC) containing fatty acid can be used as a stabilizing excipient for GLP-1 and whether PGC/GLP-1 given once a week can be an effective treatment for diabetes. METHODS:To create a PGC excipient, polylysine was grafted with methoxypolyethyleneglycol and fatty ac...

journal_title：Pharmaceutical research

authors： Castillo GM,Reichstetter S,Bolotin EM

更新日期：2012-01-01 00:00:00

abstract：PURPOSE:Studies were conducted to investigate dilute solutions of the monoclonal antibody (mAb) bevacizumab, mAb fragment ranibizumab and fusion protein aflibercept, develop common procedures for formulation of low concentration mAbs and identify a stabilizing formulation for anti-VEGF mAbs for use in in vitro permeati...

journal_title：Pharmaceutical research

authors： Giannos SA,Kraft ER,Zhao ZY,Merkley KH,Cai J

更新日期：2018-02-28 00:00:00

abstract：:Loracarbef is an oral 1-carba-1-dethiacephalosporin antibiotic structurally related to cefaclor. Like many beta-lactam antibiotics, loracarbef exists in several hydrated crystalline forms. The pH-solubility profile curve for loracarbef monohydrate is U-shaped, resembling those of other zwitterionic cephalosporins. Lor...

journal_title：Pharmaceutical research

authors： Pasini CE,Indelicato JM

更新日期：1992-02-01 00:00:00

abstract：PURPOSE:To produce and characterize a nonviral ultrasound-controlled release system of plasmid DNA (pDNA) encapsulated in gas-filled poly(D,L-lactide-co-glycolide) microparticles (PLGA-MPs). METHODS:Different cationic polymers were used to form pDNA/polymer complexes to enhance the stability of pDNA during micropartic...

journal_title：Pharmaceutical research

authors： Seemann S,Hauff P,Schultze-Mosgau M,Lehmann C,Reszka R

更新日期：2002-03-01 00:00:00

abstract：:The glass transition temperature of an amorphous pharmaceutical solid is a critical physical property which can dramatically influence its chemical stability, physical stability, and viscoelastic properties. Water frequently acts as a potent plasticizer for such materials, and since many amorphous solids spontaneously...

journal_title：Pharmaceutical research

authors： Hancock BC,Zografi G

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:Pluronics are known as inhibitors of multidrug resistance thus making tumor cells sensitive to therapeutic doses of drugs. The purpose of our study consists in revealing molecular targets of the hydrophobic poly(propylene oxide) block of pluronics in living cells and the dependence of the polymers chemosensitiz...

journal_title：Pharmaceutical research

authors： Zhirnov A,Nam E,Badun G,Romanyuk A,Ezhov A,Melik-Nubarov N,Grozdova I

更新日期：2018-09-06 00:00:00

abstract：PURPOSE:To evaluate the potential effects of PEGylated pH-sensitive liposomes on the intracellular activity of a new peptide recently characterized as a novel inhibitor of the human thymidylate synthase (hTS) over-expressed in many drug-resistant human cancer cell lines. METHODS:Peptide-loaded pH-sensitive PEGylated (...

journal_title：Pharmaceutical research

authors： Sacchetti F,Marverti G,D'Arca D,Severi L,Maretti E,Iannuccelli V,Pacifico S,Ponterini G,Costi MP,Leo E

更新日期：2018-09-12 00:00:00

abstract：PURPOSE:To develop a semi-mechanistic population pharmacokinetic model based on gastric emptying function for acetaminophen plasma concentration in critically ill patients tolerant and intolerant to enteral nutrition before and after prokinetic therapy. METHODS:Acetaminophen plasma concentrations were available from a...

journal_title：Pharmaceutical research

authors： Ogungbenro K,Vasist L,Maclaren R,Dukes G,Young M,Aarons L

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:LY3015014 is a humanized immunoglobulin G4 (IgG4) monoclonal antibody that binds to the catalytic domain of PCSK9 and reduce low-density lipoprotein cholesterol (LDL-C) in patients with hypercholesterolemia that is poorly controlled by maximally tolerated statin therapy. The objective of this pharmacokinetic/ph...

journal_title：Pharmaceutical research

authors： Shen T,James DE,Krueger KA

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:The passage of molecules across cell membranes is a crucial step in many physiological processes. We therefore seek physical models of this process, in order to predict permeation for new molecules, and to better understand the important interactions which determine the rate of permeation. METHODS:Several sets...

journal_title：Pharmaceutical research

authors： Platts JA,Abraham MH,Hersey A,Butina D

更新日期：2000-08-01 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:Understanding the critical factors governing the crystallization tendency of organic compounds is vital when assessing the feasibility of an amorphous formulation to improve oral bioavailability. The objective of this study was to investigate potential links between viscosity and crystallization tendency for or...

journal_title：Pharmaceutical research

authors： Baird JA,Santiago-Quinonez D,Rinaldi C,Taylor LS

更新日期：2012-01-01 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:Tissue partitioning is an important component of drug distribution and half-life. Protein binding and lipid partitioning together determine drug distribution. METHODS:Two structure-based models to predict partitioning into microsomal membranes are presented. An orientation-based model was developed using a mem...

journal_title：Pharmaceutical research

authors： Nagar S,Korzekwa K

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:The purpose of the present study was to use the human colorectal carcinoma cell line. Caco-2, as a human intestinal epithelial model for studying the effects of cyclodextrins as absorption enhancers. METHODS:Cyclodextrins of varying sizes and physicochemical characters were investigated. The effects of the cyc...

journal_title：Pharmaceutical research

authors： Hovgaard L,Brøndsted H

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:Modulation of 5-HT3 receptor in the central nervous system (CNS) is a promising approach for treatment of neuropathic pain. The goal was to evaluate the role of P-glycoprotein (Pgp) in limiting exposure of different parts of the CNS to ondansetron (5-HT3 receptor antagonist) using wild-type and genetic knockout...

journal_title：Pharmaceutical research

authors： Chiang M,Back HM,Lee JB,Oh S,Guo T,Girgis S,Park C,Haroutounian S,Kagan L

更新日期：2020-09-28 00:00:00

abstract：:A new magnetic microsphere carrier has been formulated that may localize drugs by both biochemical and physical means. The microspheres, prepared from the polysaccharide chitosan, are designed to bind to anionic glycosaminoglycan receptors on the surface of capillary endothelial cells. The microspheres were formulated...

journal_title：Pharmaceutical research

authors： Gallo JM,Hassan EE

更新日期：1988-05-01 00:00:00

abstract：PURPOSE:Prostaglandin E(1) (PGE(1)) is an effective treatment for peripheral vascular diseases. The encapsulation of PGE(1) in nanoparticles for its sustained-release would improve its therapeutic effect and quality of life (QOL) of patients. METHODS:In order to encapsulate PGE(1) in nanoparticles prepared with a poly...

journal_title：Pharmaceutical research

authors： Takeda M,Maeda T,Ishihara T,Sakamoto H,Yuki K,Takasaki N,Nishimura F,Yamashita T,Tanaka K,Takenaga M,Igarashi R,Higaki M,Yamakawa N,Okamoto Y,Ogawa H,Otsuka M,Mizushima Y,Mizushima T

更新日期：2009-07-01 00:00:00