Serum drug concentrations in clinical perspective.

abstract：:Mycophenolate mofetil (MMF) is the first drug approved for the prevention of renal allograft rejection in the United States in the last 10 years. MMF is the morpholinoethyl ester of mycophenolic acid (MPA) and is a selective, reversible inhibitor of inosine monophosphate dehydrogenase (IMPDH), an enzyme that is critic...

journal_title：Therapeutic drug monitoring

authors： Pirsch JD,Sollinger HW

更新日期：1996-08-01 00:00:00

abstract：BACKGROUND:Dolutegravir (DTG) is an integrase strand transfer inhibitor, which is a newly approved antiretroviral drug used for the treatment of HIV-infected naive and experienced individuals. Many aspects of DTG pharmacology remain to be studied. Our aim was to develop and fully validate a robust analytical method for...

journal_title：Therapeutic drug monitoring

authors： Wang X,Penchala SD,Amara A,Else L,McClure M,Boffito M

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:Busulfan (Bu) and cyclophosphamide (Cy) are frequently included in conditioning regimens before hematopoietic stem cell transplantation (HSCT). Both drugs are detoxified by glutathione transferases (GST), and GST gene variants may explain some of the interindividual variability in pharmacokinetics and drug t...

journal_title：Therapeutic drug monitoring

authors： Bremer S,Fløisand Y,Brinch L,Gedde-Dahl T,Bergan S

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:Cyclosporine A (CsA) is used as a posttransplantation immunosuppressant drug, and careful monitoring of CsA concentration in whole blood is essential. A new automated electrochemiluminescence immunoassay (ECLIA) for CsA measurement has been assessed in a multicenter evaluation. METHODS:Residual EDTA whole b...

journal_title：Therapeutic drug monitoring

authors： Vogeser M,Shipkova M,Rigo-Bonnin R,Wallemacq P,Orth M,Widmann M,Verstraete AG

更新日期：2014-10-01 00:00:00

abstract：INTRODUCTION:Gabapentin (Neurontin) and levetiracetam (Keppra) are anticonvulsants with novel structures and suggested therapeutic ranges of 2-10 mg/L and 6-20 mg/L, respectively. Gabapentin is also used extensively to manage neuropathic pain, and for this indication, wherein higher doses are prescribed, plasma concent...

journal_title：Therapeutic drug monitoring

authors： Juenke JM,Brown PI,Johnson-Davis KL,McMillin GA

更新日期：2011-04-01 00:00:00

abstract：:Euthyroid women experience dramatic changes in their thyroid physiology in order to accommodate the presence of placental and fetal tissues. These adaptations to the pregnant state make it crucial to develop reliable trimester-specific intervals for thyroid parameters. Use of non-pregnant reference intervals could lea...

journal_title：Therapeutic drug monitoring

authors： Bach-Huynh TG,Jonklaas J

更新日期：2006-06-01 00:00:00

abstract：:Sirolimus (rapamycin, RAPA) is a natural fermentation product (macrolide antibiotic) that has demonstrated potent immunosuppressive activity. A reverse-phase high-performance liquid chromatographic (HPLC) method is described for analysis of the drug in whole blood. The samples are purified by using liquid-liquid extra...

journal_title：Therapeutic drug monitoring

authors： Svensson JO,Brattström C,Säwe J

更新日期：1997-02-01 00:00:00

abstract：:A population analysis of the kinetics of lithium was performed from experimental and observational data in 113 subjects in order to propose a new approach for lithium dosage individualization. The kinetics of lithium is described by a two-compartment model. Age, body weight, height, and serum creatinine are included a...

journal_title：Therapeutic drug monitoring

authors： Taright N,Mentré F,Mallet A,Jouvent R

更新日期：1994-06-01 00:00:00

abstract：:The clinical use of digoxin and phenytoin analyses (in 405 and 152 patients, respectively) furnished by our clinical pharmacological laboratory during a five-month period was evaluated prospectively from request forms. Of first-time analyses of digoxin, 12, 38, and 50% fell above, within, and below our recommended ran...

journal_title：Therapeutic drug monitoring

authors： Bergman U,Rane A,Sjöqvist F,Wiholm BE

更新日期：1981-01-01 00:00:00

abstract：:The clinical correlates of methylphenidate blood levels in hyper-active children and normal adults were examined in five studies. Although occasional correlations between blood levels and neuroendocrine response were noted within subjects along the pharmacokinetic time profile of the drug, no significant associations ...

journal_title：Therapeutic drug monitoring

authors： Gualtieri CT,Hicks RE,Patrick K,Schroeder SR,Breese GR

更新日期：1984-01-01 00:00:00

abstract：BACKGROUND:Recent studies suggest that 5-fluorouracil (5-FU) dosing by use of pharmacokinetic (PK) parameters is superior to the traditional body surface area (BSA) method in colorectal cancer therapy. The purpose of this study was to compare the estimated efficacy and toxicity of the use of PK-guided versus BSA-based ...

journal_title：Therapeutic drug monitoring

authors： Yang R,Zhang Y,Zhou H,Zhang P,Yang P,Tong Q,Lyu Y,Han Y

更新日期：2016-02-01 00:00:00

abstract：:We describe the case of a pediatric patient on azathioprine therapy with previously undiagnosed homozygote thiopurine S-methyltransferase (TPMT) deficiency, resulting in myelotoxic thiopurine metabolite levels. The patient was successfully treated with a very low azathioprine dose of 50 mg once a week (4% of standard ...

journal_title：Therapeutic drug monitoring

authors： van Moorsel SA,Bevers N,Meurs M,van Rossum LK,Hooymans PM,Wong DR

更新日期：2017-02-01 00:00:00

abstract：:A gas chromatography-mass spectrometry (GC-MS)-based screening procedure was developed for the detection of diuretics, uricosurics, and/or their metabolites in human urine after extractive methylation. Phase-transfer catalyst remaining in the organic phase was removed by solid-phase extraction on a diol phase. The com...

journal_title：Therapeutic drug monitoring

authors： Beyer J,Bierl A,Peters FT,Maurer HH

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND:Beta-lactams are first-line antibiotics for the management of superficial infections due to burn injury. There is sparse data available on therapeutic drug monitoring (TDM) in patients with burns in a ward setting. This study was conducted to evaluate the utility of a beta-lactam TDM program in a cohort of b...

journal_title：Therapeutic drug monitoring

authors： Patel BM,Paratz J,See NC,Muller MJ,Rudd M,Paterson D,Briscoe SE,Ungerer J,McWhinney BC,Lipman J,Roberts JA

更新日期：2012-04-01 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：BACKGROUND:Non-vitamin K antagonist oral anticoagulants (NOACs) are approved for several indications for prophylaxis of thromboembolism at fixed oral doses. The analysis of NOAC activity/concentration may be required in special patient populations. Heptest coagulation assay determines both factor Xa and thrombin inhibi...

journal_title：Therapeutic drug monitoring

authors： Du S,Harenberg J,Krämer S,Krämer R,Wehling M,Weiss C

更新日期：2015-06-01 00:00:00

abstract：:The major goal of immunosuppressive development is improved selectivity of the drug's inhibitory action against T and B cell-mediated as opposed to nonspecific granulocyte-, monocyte-, and macrophage-mediated resistance. This enterprise demands increased knowledge of alloantigen-induced stimulation, signal transductio...

journal_title：Therapeutic drug monitoring

authors： Kahan BD

更新日期：1995-12-01 00:00:00

abstract：:The pharmacokinetic interaction between chloroquine (CQ) and imipramine was investigated in six healthy volunteers who received 300 mg of CQ, 50 mg of imipramine, and combined doses of both drugs in a randomized, crossover design. Blood and urine samples were collected at predetermined time intervals and were analyzed...

journal_title：Therapeutic drug monitoring

authors： Onyeji CO,Toriola TA,Ogunbona FA

更新日期：1993-02-01 00:00:00

abstract：:Therapeutic drug monitoring in antituberculosis chemotherapy may play a strategic role in improving outcomes in selected patients. The most important use is in assisting clinicians to optimize therapy to achieve success and minimize toxicity. The other principal indication lies in the management of interaction of anti...

journal_title：Therapeutic drug monitoring

authors： Yew WW

更新日期：1998-10-01 00:00:00

abstract：:A sensitive and specific direct-injection high-performance liquid chromatography-atmospheric pressure chemical ionization tandem mass-spectrometry (HPLC-APCI-MS-MS) method has been developed for the rapid identification and quantitation of seven tricyclic antidepressants-amitriptyline, nortriptyline, doxepin, dosulepi...

journal_title：Therapeutic drug monitoring

authors： Kollroser M,Schober C

更新日期：2002-08-01 00:00:00

abstract：:An isocratic, high-performance liquid chromatography method has been developed for simultaneous determination of the tricyclic antidepressant clomipramine and six metabolites: desmethylclomipramine, 2- and 8-hydroxy-clomipramine, 2- and 8-hydroxydesmethylclomipramine and didesmethyl-clomipramine in plasma and urine. I...

journal_title：Therapeutic drug monitoring

authors： Nielsen KK,Brøsen K

更新日期：1993-04-01 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：:Two separate studies were carried out to assess the effect of valproic acid on the steady-state plasma concentrations of clozapine and its major metabolites norclozapine and clozapine N-oxide in psychotic patients. In the first study, concentrations of clozapine and metabolites were compared between patients treated w...

journal_title：Therapeutic drug monitoring

authors： Facciolà G,Avenoso A,Scordo MG,Madia AG,Ventimiglia A,Perucca E,Spina E

更新日期：1999-06-01 00:00:00

abstract：:There are a number of effective but highly toxic drugs that exhibit a narrow therapeutic index and marked interpatient pharmacokinetic variability. Individualized therapy with such drugs requires therapeutic drug monitoring (TDM) to obtain the desired clinical effects safely. Cost-effectiveness analysis in health care...

journal_title：Therapeutic drug monitoring

authors： Touw DJ,Neef C,Thomson AH,Vinks AA,Cost-Effectiveness of Therapeutic Drug Monitoring Committee of the International Association for Therapeutic Drug Monitoring and Clinical Toxicology.

更新日期：2005-02-01 00:00:00

abstract：:Lamotrigine (LG), phenytoin (PY), carbamazepine (CM), and carbamazepine epoxide (CE) are measured with an optimized procedure that uses thin sorbent extraction disks and a highly selective, sterically protected bonded silica high-performance liquid chromatography (HPLC) column. Routinely, serum (200 microliters at pH ...

journal_title：Therapeutic drug monitoring

authors： Lensmeyer GL,Gidal BE,Wiebe DA

更新日期：1997-06-01 00:00:00

abstract：:C(2) Cyclosporine (CsA) level, as a surrogate of area under the time-concentration curve (AUC) 0-4 hours, is a good predictor of drug absorption and clinical outcome after kidney transplantation. It has been difficult to define the optimal C(2) level in the individual case and given the broad range of C(2) due to inte...

journal_title：Therapeutic drug monitoring

authors： Morales J,Buckel E,Fierro A,Zehnder C,Herzog C,Mañalich J

更新日期：2003-06-01 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 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：:The clinical usefulness of cyclosporine is hampered by dose-limiting toxicities to the kidney that are not predicted by drug levels in serum or whole blood. Because of its lipophilic nature, circulating plasma lipoproteins may play a role in drug disposition. This study characterized the pharmacokinetic parameters of ...

journal_title：Therapeutic drug monitoring

authors： Brunner LJ,Luke DR,Lautersztain J,Williams LA,LeMaistre CF,Yau JC

更新日期：1990-03-01 00:00:00

abstract：:It has recently been shown that acute changes of venous blood ammonia (NH3) may predict short-term adverse effects of valproic acid (VPA). In the present study, the time course of NH3 concentration after a single oral dose of VPA (800 mg) was monitored in 68 epileptic patients. Patients were classified into four group...

journal_title：Therapeutic drug monitoring

authors： Zaccara G,Paganini M,Campostrini R,Moroni F,Valenza T,Messori A,Bartelli M,Arnetoli G,Zappoli R

更新日期：1985-01-01 00:00:00