Clinical use of a simultaneous HPLC assay for indinavir, saquinavir, ritonavir and nelfinavir in children and adults.

abstract：:Plasma clonazepam (CZP) and its metabolite [7-aminoclonazepam (7ACZP) and 7-acetamidoclonazepam (7AACZP)] concentrations were measured during a single dosing interval in 10 pediatric epilepsy patients (2-18 years, 11-102 kg) who had been receiving CZP therapeutically from 2 weeks to 4 years. These concentrations were ...

journal_title：Therapeutic drug monitoring

authors： Walson PD,Edge JH

更新日期：1996-02-01 00:00:00

abstract：:A simple high-performance liquid chromatography (HPLC) method for the determination of methotrexate (MTX) in biological fluids is described. The assay is rapid, the time required for analysis is less than 30 min, and it is sensitive, up to 0.01 microgram/ml, which is three times below the toxic MTX concentration. Fift...

journal_title：Therapeutic drug monitoring

authors： Najjar TA,Matar KM,Alfawaz IM

更新日期：1992-04-01 00:00:00

abstract：:Previous studies have categorized duloxetine as a moderate inhibitor of CYP2D6. The aim of the present study was to investigate the potential interactions between duloxetine and the two CYP2D6 substrates risperidone and aripiprazole in psychiatric patients. Serum concentration data from patients treated with risperido...

journal_title：Therapeutic drug monitoring

authors： Hendset M,Molden E,Enoksen TB,Refsum H,Hermann M

更新日期：2010-12-01 00:00:00

abstract：:The practice of enhancing athletic performance through foreign substances was known from the earliest Olympic games. In 1967, the International Olympic Committee (IOC) established a Medical Commission responsible for developing a list of prohibited substances and methods. Drug tests were first introduced at the Olympi...

journal_title：Therapeutic drug monitoring

authors： Fraser AD

更新日期：2004-04-01 00:00:00

abstract：BACKGROUND:Valproic acid (VPA) is frequently used together with clozapine (CLZ) as mood-stabilizer or for the prevention of seizures in patients with psychotic disorders. VPA is known to reduce levels of the pharmacologically active CLZ-metabolite N-desmethylclozapine (N-DMC), but factors determining the degree of this...

journal_title：Therapeutic drug monitoring

authors： Smith RL,Kyllesø L,Haslemo T,Andreassen OA,Molden E

更新日期：2019-08-01 00:00:00

abstract：BACKGROUND:The anticonvulsant properties of phenytoin (PHT) were discovered in 1938. Since then, it has been one of the most widely used antiepileptic drugs. It is slowly absorbed, extensively plasma protein-bound, exhibits a nonlinear, concentration-dependent pharmacokinetic profile, and has a narrow therapeutic range...

journal_title：Therapeutic drug monitoring

authors： Aliwarga T,Cloyd JC,Goel V,Brundage RC,Marino SE,Leppik IE,Remmel RP

更新日期：2011-02-01 00:00:00

abstract：:For the evaluation and interpretation of pharmacokinetic data reliable quantitative determinations are a requirement that can only be met by well-characterized and fully validated analytical methods. To cope with these requirements a method is being established that is based on an integrated and automated fiber-optic ...

journal_title：Therapeutic drug monitoring

authors： Gygax D,Botta L,Ehrat M,Graf P,Lefèvre G,Oroszlan P,Pfister C

更新日期：1996-08-01 00:00:00

abstract：:The purpose of this study was to construct a population pharmacokinetic (PK) metabolism (MB) model to describe ciprofloxacin (C) concentrations in plasma and vitreous and aqueous humors in 26 patients. Ciprofloxacin was given as a 3-day oral prophylactic treatment to 26 patients before vitrectomy. Plasma, vitreous, an...

journal_title：Therapeutic drug monitoring

authors： Di Marco MP,Chen J,Wainer IW,Ducharme MP

更新日期：2004-08-01 00:00:00

abstract：:The authors report preliminary findings on the potential contribution of CYP2C19 isoenzyme to the human metabolism of N-desmethylclobazam (N-CLB), the main active metabolite of clobazam (CLB), a benzodiazepine frequently used as add-on therapy in patients with refractory epilepsy. Two children on CLB treatment showing...

journal_title：Therapeutic drug monitoring

authors： Contin M,Sangiorgi S,Riva R,Parmeggiani A,Albani F,Baruzzi A

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD) time courses in serum and physiological and behavioral effects associated with smoking 1 or 4 "light cannabis" cigarettes were studied. Biomarkers to differentiate light cannabis versus illegal and medical cannabis use were also investigated. METHODS:Sera ...

journal_title：Therapeutic drug monitoring

authors： Pichini S,Mannocchi G,Berretta P,Zaami S,Pirani F,Pacifici R,Busardò FP

更新日期：2020-02-01 00:00:00

abstract：BACKGROUND:Busulfan dose adjustment is routinely guided by plasma concentration monitoring using 4-9 blood samples per dose adjustment, but a pharmacometric Bayesian approach could reduce this sample burden. METHODS:The authors developed a nonparametric population model with Pmetrics. They used it to simulate optimal ...

journal_title：Therapeutic drug monitoring

authors： Neely M,Philippe M,Rushing T,Fu X,van Guilder M,Bayard D,Schumitzky A,Bleyzac N,Goutelle S

更新日期：2016-06-01 00:00:00

abstract：:The correlation between single plasma concentration (CP) values of 5-fluorouracil (FU) after a 10-minute i.v. infusion and the total area under the plasma concentration-time curve (AUC) has been studied in 26 cancer patients. FU dose was either 320-550 mg/m2 (seven patients, 13 treatments) or 610-960 mg/m2 (19 patient...

journal_title：Therapeutic drug monitoring

authors： Port RE,Edler L,Herrmann R,Feldmann U

更新日期：1991-03-01 00:00:00

abstract：:Two published case reports showed that addition of risperidone (1 and 2 mg/d) to a clozapine treatment resulted in a strong increase of clozapine plasma levels. As clozapine is metabolized by cytochrome P450 isozymes, a study was initiated to assess the in vivo interaction potential of risperidone on various cytochrom...

journal_title：Therapeutic drug monitoring

authors： Eap CB,Bondolfi G,Zullino D,Bryois C,Fuciec M,Savary L,Jonzier-Perey M,Baumann P

更新日期：2001-06-01 00:00:00

abstract：:Lidocaine has a concentration-dependent effect on seizures. At lower concentrations it has anticonvulsant properties, whereas concentrations above 15 microg/mL frequently result in seizures in laboratory animals and man. Seizures induced by lidocaine in experimental conditions invariably start in the amygdala. Despite...

journal_title：Therapeutic drug monitoring

authors： DeToledo JC

更新日期：2000-06-01 00:00:00

abstract：BACKGROUND:In humans, donepezil (D) is metabolized to 5-O-desmethyl-donepezil (5DD), 6-O-desmethyl-donepezil (6DD), and donepezil-N-oxide (DNox). Although 6DD and DNox are pharmacologically active, the activity of 5DD is unknown. At present, no routine methods are available to detect D and its 3 metabolites simultaneou...

journal_title：Therapeutic drug monitoring

authors： Groppa F,Coin A,De Rosa G,Granziera S,Alexopoulos C,Pamio MV,Padrini R

更新日期：2016-02-01 00:00:00

abstract：:The possible occurrence of a kinetic interaction between cyclosporine A and glibenclamide was assessed by reviewing data of six posttransplant diabetic patients who received the two drugs concurrently. Coadministration of the two drugs resulted in a 57% increase in the steady-state plasma cyclosporine levels despite n...

journal_title：Therapeutic drug monitoring

authors： Islam SI,Masuda QN,Bolaji OO,Shaheen FM,Sheikh IA

更新日期：1996-10-01 00:00:00

abstract：:The aims of this study were to determine the relationship between saliva and plasma methadone concentrations and the influence of variability in saliva pH. Saliva and plasma samples were taken before the daily dose of methadone in 60 patients undergoing methadone maintenance treatment (MMT). Saliva pH was measured imm...

journal_title：Therapeutic drug monitoring

authors： Shiran MR,Hassanzadeh-Khayyat M,Iqbal MZ,Lagundoye O,Seivewright N,Lennard MS,Tucker GT,Rostami-Hodjegan A

更新日期：2005-10-01 00:00:00

abstract：:Calculated creatinine clearance (CrCL) estimates are frequently used as estimates of aminoglycoside clearance (AGCL), despite being inadequately studied. Thirty surgical intensive care unit (SICU) patients with stable serum creatinines (0.6-6.3 mg/dl) and steady-state aminoglycoside levels were studied. A one-compartm...

journal_title：Therapeutic drug monitoring

authors： Deeter RG,Krauss EA,Penn F,Nahaczewski AE

更新日期：1989-01-01 00:00:00

abstract：:The role of drug assays for screening, diagnosis, and guiding treatment decisions in overdose patients remains unclear. The use of drug concentration data in clinical toxicology research is more problematic, with studies using drug concentrations to simply confirm ingestion in observational studies or others report dr...

journal_title：Therapeutic drug monitoring

authors： Isbister GK

更新日期：2010-06-01 00:00:00

abstract：:Specific chromatographic methods for the measurement of cyclosporin A, tacrolimus, sirolimus, and everolimus blood levels in patients with organ transplants are time consuming when large numbers of samples must be processed. The authors developed a robust and fast (1 minute) online solid-phase extraction liquid chroma...

journal_title：Therapeutic drug monitoring

authors： Meinitzer A,Gartner G,Pilz S,Stettin M

更新日期：2010-02-01 00:00:00

abstract：:The effect of ofloxacin taken for 8 days (200 mg twice daily) on the pharmacokinetics of a single intravenous dose of theophylline (4.3 mg/kg over 15 min) was studied in a crossover procedure among seven healthy male volunteers. Theophylline concentrations were measured serially for 10 h by the immunofluorescence pola...

journal_title：Therapeutic drug monitoring

authors： Al-Turk WA,Shaheen OM,Othman S,Khalaf RM,Awidi AS

更新日期：1988-01-01 00:00:00

abstract：:The pharmacokinetic equations of Chiou, Koup, and Kurland are often used in the pediatric setting to predict steady-state theophylline clearance using non-steady serum theophylline concentrations. However, these equations have not been validated or compared in a pediatric population. We evaluated the ability of these ...

journal_title：Therapeutic drug monitoring

authors： Reiter PD,Hogue SL,Phelps SJ

更新日期：1992-10-01 00:00:00

abstract：:Monitoring plasma concentrations of therapeutic drugs presents special problems when these drugs are metabolized to compounds that have pharmacologic activity. This presentation reviews several methods for evaluating the pharmacologic activity of drug metabolites and describes the impact of active drug metabolites on ...

journal_title：Therapeutic drug monitoring

authors： Atkinson AJ Jr,Stec GP,Lertora JJ,Ruo TI,Thenot JP

更新日期：1980-01-01 00:00:00

abstract：:The relationship between changes in cyclosporin (CyA) dose or CyA blood concentration and the reciprocal creatinine concentration was investigated by cross-correlation analysis over the first 3 postoperative months in 32 consecutive heart and heart-lung recipients. Exploratory analysis suggested that early changes in ...

journal_title：Therapeutic drug monitoring

authors： Trull AK,Best NG,Tan KK,Hue KL,Higenbottam TW,Large S,Wallwork J

更新日期：1992-08-01 00:00:00

abstract：:Toxicity from ingestion of the oleander plant is common. Oleandrin, the oleander glycoside, has structural similarity to cardiac glycoside digoxin and is known to cross react with various digoxin immunoassays. The authors studied the cross reactivity of oleandrin and its deglycosylated congener oleandrigenin with a fl...

journal_title：Therapeutic drug monitoring

authors： Datta P,Dasgupta A

更新日期：1997-08-01 00:00:00

abstract：:The postulated therapeutic activity of nortriptyline metabolites has prompted investigation of dosage adjustments based on plasma levels of nortriptyline (NT) and its metabolites. The method assumes that metabolite concentrations vary independently of nortriptyline concentrations among patients. This study tests that ...

journal_title：Therapeutic drug monitoring

authors： Lukey BJ,Jones DR,Wright JH,Hurst HE

更新日期：1989-01-01 00:00:00

abstract：:Simplified pharmacokinetic methods have been used to estimate caffeine clearance in subjects with liver disease. There is a need to have a reliable, easy to implement method for research and possible clinical use. This study evaluates the use of Bayesian pharmacokinetic forecasting techniques to estimate caffeine clea...

journal_title：Therapeutic drug monitoring

authors： Denaro CP,Jacob P 3rd,Benowitz NL

更新日期：1998-02-01 00:00:00

abstract：BACKGROUND:Theophylline, a xanthine derivative drug, is used for the treatment of respiratory diseases, such as asthma, and is primarily eliminated by hepatic metabolism. There is marked interindividual variability in theophylline clearance. Therefore, the aim of this study was to evaluate the influence of chronic hepa...

journal_title：Therapeutic drug monitoring

authors： Kurata Y,Muraki S,Kashihara Y,Hirota T,Araki H,Ieiri I

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND:The association of CYP3A5, CYP3A4, and ABCB1 single nucleotide polymorphisms (SNPs) with cyclosporine (CsA) pharmacokinetics is controversial. The authors studied the influence of these SNPs on CsA pharmacokinetics as well as on the incidence of biopsy-proven acute rejection (BPAR) and renal function after k...

journal_title：Therapeutic drug monitoring

authors： Bouamar R,Hesselink DA,van Schaik RH,Weimar W,Macphee IA,de Fijter JW,van Gelder T

更新日期：2011-04-01 00:00:00

abstract：:The effect of plasma exchange (PE) on the pharmacokinetics of flumequine (Apurone) was studied in eight patients receiving a single oral dose of 800 mg. The maximum concentration (38 micrograms/ml) and time to maximum concentration (2.6 h) values were not significantly altered by PE beginning 3 h after administration ...

journal_title：Therapeutic drug monitoring

authors： Royer-Morrot MJ,Gérard A,Zhiri A,Schooneman F,Dureux JB,Royer RJ

更新日期：1991-07-01 00:00:00