Metoclopramide metabolism and determination by high-pressure liquid chromatography.

abstract：:In this study, the influence of the preparation technique (ball milling, spray drying, and film casting) of a supersaturated amorphous dispersion on the quality of solubility determinations of indomethacin in polyvinylpyrrolidone was investigated by means of statistical analysis. After annealing of the amorphous dispe...

journal_title：Journal of pharmaceutical sciences

authors： Knopp MM,Olesen NE,Holm P,Löbmann K,Holm R,Langguth P,Rades T

更新日期：2015-01-01 00:00:00

abstract：:The bioavailability of three different brands and three different dosage forms of doxycycline was studied in normal subjects. Single doses, equivalent to 200 mg of doxycycline, were administered to six subjects in a crossover design as the innovator's intravenous solution given orally (Treatment A), the innovator's ca...

journal_title：Journal of pharmaceutical sciences

authors： Antal EJ,Jaffe JM,Poust RI,Colaizzi JL

更新日期：1975-12-01 00:00:00

abstract：:Nasal administration as a means of delivering therapeutic agents preferentially to the brain has gained significant recent interest. While some substrates appear to be delivered directly to the brain via this route, the mechanisms governing overall brain uptake and exposure remain unclear. Some substrates utilize the ...

journal_title：Journal of pharmaceutical sciences

authors： Graff CL,Pollack GM

更新日期：2005-06-01 00:00:00

abstract：:Diazepam (1), a hypnotic and anxiolytic drug in worldwide use, formed an intermediate product in a mixture of ethanol and sodium hydroxide ([NaOH] > or = 1 M). The intermediate product slowly decomposed to form 2-(methylamino)-5-chlorobenzophenone imine (2) and 2-(methylamino)-5-chlorobenzophenone (3). The amount of 2...

journal_title：Journal of pharmaceutical sciences

authors： Yang SK,Tang R,Yang TJ,Pu QL,Bao Z

更新日期：1996-07-01 00:00:00

abstract：:The isomerization reactions of ceftibuten and ceftibuten-related compounds in aqueous solution were investigated to estimate the substitution effect on the isomerization reaction and identify the three proximal dissociation constants of ceftibuten kinetically from the pH-rate profiles. The isomerization reaction of ce...

journal_title：Journal of pharmaceutical sciences

authors： Hashimoto N,Hirano K

更新日期：1998-09-01 00:00:00

abstract：:Glassy states of nine acetaminophen-nifedipine compositions have been made by slowly supercooling their melts, and calorimetric T(g) and the nonexponential, nonlinear relaxation parameters beta and x that are used in modeling the mobility of a pharmaceutical determined. The T(g)-endotherm's shape varies with the alloy...

journal_title：Journal of pharmaceutical sciences

authors： Johari GP,Shanker RM

更新日期：2008-08-01 00:00:00

abstract：:Recently, our laboratory reported that intravenous immunoglobulin (IVIG) treatment increased antiplatelet antibody (7E3) clearance in a rat model of immune thrombocytopenic purpura (ITP). However, due to the multifaceted nature of IVIG therapy, the contribution of this increase in antiplatelet antibody clearance to th...

journal_title：Journal of pharmaceutical sciences

authors： Hansen RJ,Balthasar JP

更新日期：2003-06-01 00:00:00

abstract：:Ion cluster technique in conjunction with gas chromatography-mass spectrometry (GC-MS) was used for the identification and quantitation of major metabolites of cocaine (1a) in rat and humans. In a typical experiment, a female rat weighing 250 gm was intraperitoneally administered a 20-mg/kg mixture of 1a, NCD3-cocaine...

journal_title：Journal of pharmaceutical sciences

authors： Jindal SP,Lutz T

更新日期：1989-12-01 00:00:00

abstract：:An equation was developed which enables blood level data to be utilized for determining whether or not the first-order absorption and elimination rate constants are equal in the one-compartment open model. This equation was tested using simulated data with excellent results. ...

journal_title：Journal of pharmaceutical sciences

authors： Macheras PE

更新日期：1985-05-01 00:00:00

abstract：:Drug-induced phototoxic skin responses involves photoirritation, photoallergy, and photogenotoxicity. In the present study, we attempted to develop effective analytical tools to predict the photogenotoxic potential of pharmaceutical substances on the basis of their photobiological and DNA-binding properties. Photoclea...

journal_title：Journal of pharmaceutical sciences

authors： Onoue S,Seto Y,Oishi A,Yamada S

更新日期：2009-10-01 00:00:00

abstract：:Delayed absorption of nifedipine when administered as a 20 mg immediate release soft gelatin capsule to fasted volunteers has been reported. Physiologically based pharmacokinetic (PBPK) modeling and in vitro dissolution data were used to explore our hypothesis that at high doses of nifedipine it precipitates in the st...

journal_title：Journal of pharmaceutical sciences

authors： Thelen K,Jantratid E,Dressman JB,Lippert J,Willmann S

更新日期：2010-06-01 00:00:00

abstract：:The tissue penetration and distribution of antibiotics is of great importance, since most of the infections occur in the tissue. At the infection site, the free, unbound fraction of the antibiotic is responsible for the antiinfective effect. These free extracellular concentrations can be measured by microdialysis. It ...

journal_title：Journal of pharmaceutical sciences

authors： Nolting A,Costa TD,Vistelle R,Rand KH,Derendorf H

更新日期：1996-04-01 00:00:00

abstract：:The effect of chemical penetration enhancers (e.g., fatty acids) in combination with iontophoresis was examined on the in vitro permeability of luteinizing hormone releasing hormone (LHRH) through porcine skin. Porcine epidermis was pretreated with either ethanol (EtOH) or 10% fatty acid/EtOH. The permeability coeffic...

journal_title：Journal of pharmaceutical sciences

authors： Bhatia KS,Singh J

更新日期：1998-04-01 00:00:00

abstract：:A high-speed liquid chromatographic system is described, which can be used for the simultaneous identification of the anabolic steroid methandrostenolone and its impurities and the quantitation of each of these compounds. Separation is effected by adsorption chromatography on a slurry-packed microparticulate silica ge...

journal_title：Journal of pharmaceutical sciences

authors： Butterfield AG,Lodge BA,Pound NJ,Sears RW

更新日期：1975-03-01 00:00:00

abstract：:Dabrafenib is a small-molecule inhibitor of BRAF kinase activity that is currently being developed for the treatment of BRAF V600 mutation-positive melanoma. This clinical, open-label, two-cohort (n = 14 per cohort), randomized study was designed to evaluate the effect of drug substance particle size, and food on the ...

journal_title：Journal of pharmaceutical sciences

authors： Ouellet D,Grossmann KF,Limentani G,Nebot N,Lan K,Knowles L,Gordon MS,Sharma S,Infante JR,Lorusso PM,Pande G,Krachey EC,Blackman SC,Carson SW

更新日期：2013-09-01 00:00:00

abstract：:Recent murine studies found that rifapentine, dosed daily, at least halved tuberculosis treatment times compared with standard rifampicin and isoniazid-containing regimens. However, in humans, an inhalable form of rifapentine may be necessary to considerably shorten treatment duration because of the physiological barr...

journal_title：Journal of pharmaceutical sciences

authors： Chan JG,Duke CC,Ong HX,Chan JC,Tyne AS,Chan HK,Britton WJ,Young PM,Traini D

更新日期：2014-05-01 00:00:00

abstract：:The relative sweetness, onset times, and durations of response of D-glucose, D-xylose, D-quinovose, D-galactose, L-arabinose, and D-fucose were determined at four temperatures. The results can be interpreted by simple concepts of intramolecular hydrogen bonding which indicate that the so-called gamma-function of the t...

journal_title：Journal of pharmaceutical sciences

authors： Birch GG,Dziedzic SZ,Shallenberger RS,Lindley MG

更新日期：1981-03-01 00:00:00

abstract：:The solubility of butamben has been measured gravimetrically in pure methanol, 1-propanol, 2-propanol, 1-butanol, and toluene over the temperature range 268-298 K. Polymorph transition and melting temperatures, associated enthalpy changes, and the heat capacity of the solid forms and the supercooled melt have been mea...

journal_title：Journal of pharmaceutical sciences

authors： Svärd M,Zeng L,Valavi M,Krishna GR,Rasmuson ÅC

更新日期：2019-07-01 00:00:00

abstract：:Chlortetracycline was successfully separated from its degradation products and from other tetracyclines on a paper chromatogram previously impregnated with a mixture of edetate disodium and urea solution in pH 5.0 McIlvaine buffer. Chlortetracycline separation from its degradation products and from both tetracycline a...

journal_title：Journal of pharmaceutical sciences

authors： Youssef MK,Attia IA,Safwat S

更新日期：1978-04-01 00:00:00

abstract：:A sensitive high-performance liquid chromatographic (HPLC) assay for N-acetylcysteine in human plasma and urine has been developed. The method employs a prechromatographic stage to produce the dinitrophenyl derivative of N-acetylcysteine, which is chromatographed on a 5-microns C18 bonded reverse-phase column using an...

journal_title：Journal of pharmaceutical sciences

authors： Lewis PA,Woodward AJ,Maddock J

更新日期：1984-07-01 00:00:00

abstract：:The viscosity and surface tension of systems containing small amounts of salicylic acid in aqueous solutions of cetrimide were determined. An abrupt increase in viscosity was observed, and the molar ratio of salicylic acid to certrimide at which this viscosity increase occurred was 1:2. The surface tension of these sy...

journal_title：Journal of pharmaceutical sciences

authors： Wan LS

更新日期：1977-12-01 00:00:00

abstract：:Compact strength and the particle-size distribution of milled roller compacted compacts were correlated to the slope of the best-fit line through near-infrared spectra for samples prepared under different roll speeds and feed rates. The above correlations were found to hold for compacts prepared from microcrystalline ...

journal_title：Journal of pharmaceutical sciences

authors： Gupta A,Peck GE,Miller RW,Morris KR

更新日期：2004-04-01 00:00:00

abstract：:Systemic administration of drugs is ineffective in the treatment of central nervous system disorders because of the blood-brain barrier. Nasal administration has been suggested as an alternative administration route as drugs absorbed in the olfactory epithelium bypass the blood-brain barrier and reach the brain within...

journal_title：Journal of pharmaceutical sciences

authors： Wu IY,Nikolaisen TE,Škalko-Basnet N,di Cagno MP

更新日期：2019-08-01 00:00:00

abstract：:The disposition of radioactivity following oral administration of 14C-norgestimate was compared to that following administration of the drug in combination with 3H-ethinyl estradiol in humans. Seven normal, healthy female subjects were each administered one capsule orally containing 14C-norgestimate either alone (74.4...

journal_title：Journal of pharmaceutical sciences

authors： Weintraub HS,Abrams LS,Patrick JE,McGuire JL

更新日期：1978-10-01 00:00:00

abstract：:Inhibition of endogenous prostacyclin and thromboxane biosynthesis by aspirin is critically dose-dependent in humans. Gastrointestinal and hepatic hydrolysis may limit systemic availability of aspirin, especially in low doses, perhaps contributing to the biochemical selectivity of aspirin. Existing analytical methods ...

journal_title：Journal of pharmaceutical sciences

authors： Pedersen AK,FitzGerald GA

更新日期：1985-02-01 00:00:00

abstract：:Plasma levels were determined frequently after single doses of perfluorooctyl bromide were administered to beagle dogs at doses of either 30.8 g/kg po or 3.9 g/kg intratracheally. The apparent first-order half-life during the terminal elimination phase was about 1 day after oral medication and about 7 days after intra...

journal_title：Journal of pharmaceutical sciences

authors： Lee FH,Scrime M,Edelson J

更新日期：1978-07-01 00:00:00

abstract：:CAM2038, FluidCrystal injection depot, is an extended release formulation of buprenorphine given subcutaneously every 1 week (Q1W) or every 4 weeks (Q4W). The purpose of this research was to predict the magnitude of drug-drug interaction (DDI) after coadministration of a strong CYP3A4 inducer or inhibitor using physio...

journal_title：Journal of pharmaceutical sciences

authors： Liu T,Gobburu JVS

更新日期：2018-03-01 00:00:00

abstract：:A fluorescence method is presented for the determination of nitrofurantoin based on conversion of the drug to a fluorescent substance. The method requires 0.1-0.5 ml of plasma or diluted urine and is 10 times more sensitive than the commonly used colorimetric method. ...

journal_title：Journal of pharmaceutical sciences

authors： Watari N,Funaki T,Kaneniwa N

更新日期：1980-01-01 00:00:00

abstract：:An electron-capture GLC method was developed for measuring pindolol in human plasma and urine. The unchanged drug was extracted with benzene from alkalinized plasma or urine using propranolol as the internal standard. Both compounds subsequently were back-extracted into 0.1 M HCl and then into benzene. After evaporati...

journal_title：Journal of pharmaceutical sciences

authors： Guerret M,Lavene D,Kiechel JR

更新日期：1980-10-01 00:00:00

abstract：:Regional permeability coefficients of 19 drugs with different physicochemical properties were determined using excised segments from three regions of rat intestine: jejunum, ileum, and colon. The results are discussed in relation to the characteristics of the drug, i.e., MW (range 113-1071 Da), pKa, log D (octanol/wat...

journal_title：Journal of pharmaceutical sciences

authors： Ungell AL,Nylander S,Bergstrand S,Sjöberg A,Lennernäs H

更新日期：1998-03-01 00:00:00