Research Topics
Species | T BuclinSummaryAffiliation: Centre Hospitalier Universitaire Vaudois Country: Switzerland Publications
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Publications
Monitoring drug therapyThierry Buclin
Division of Clinical Pharmacology and Toxicology, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
Br J Clin Pharmacol 73:917-23. 2012....
Variable viral clearance despite adequate ganciclovir plasma levels during valganciclovir treatment for cytomegalovirus disease in D+/R- transplant recipientsNancy Perrottet
Microbiology Institute, University Hospital, Lausanne, Switzerland
BMC Infect Dis 10:2. 2010..This prospective observational study aimed to correlate clinical and cytomegalovirus (CMV) viral load response (DNAemia) with ganciclovir plasma concentrations in patients treated with valganciclovir for CMV infection/disease...
[Will good clinical practice domesticate human research?]T Buclin
Division de pharmacologie et toxicologie cliniques, Hôpital de Beaumont CHUV, Lausanne
Rev Med Suisse 2:992-6. 2006..No clinical study should be planned without consideration of a series of legal requirements, which are reviewed. Concerns about their practical implications are critically assessed...
Development and validation of decision rules to guide frequency of monitoring CD4 cell count in HIV-1 infection before starting antiretroviral therapyThierry Buclin
Division of Clinical Pharmacology and Toxicology, University Hospital Center and University of Lausanne, Lausanne, Switzerland
PLoS ONE 6:e18578. 2011..We developed rules to guide frequency of CD4 cell count monitoring in HIV infection before starting antiretroviral therapy, which we validated retrospectively in patients from the Swiss HIV Cohort Study...
An ultra performance liquid chromatography-tandem MS assay for tamoxifen metabolites profiling in plasma: first evidence of 4'-hydroxylated metabolites in breast cancer patientsE Dahmane
Division of Clinical Pharmacology and Toxicology, Department of Medecine, Lausanne, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Switzerland
J Chromatogr B Analyt Technol Biomed Life Sci 878:3402-14. 2010....
High cefepime plasma concentrations and neurological toxicity in febrile neutropenic patients with mild impairment of renal functionF Lamoth
Infectious Diseases Service, Department of Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Rue du Bugnon 46, CH 1011 Lausanne, Switzerland
Antimicrob Agents Chemother 54:4360-7. 2010..Careful adherence to normalized dosing per 100 ml/min GFR is crucial. Monitoring of plasma concentrations may contribute to preventing neurological toxicity of high-dose therapy for this life-threatening condition...
Specific determination of PAH and its N-acetyl metabolite by HPLC increases the accuracy and precision of PAH clearance measurementsL A Decosterd
Departement de Medecine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Ren Fail 20:311-7. 1998..87 +/- 0.13 implying unphysio-logical values (> 1) in some cases. In conclusion HPLC not only enables the simultaneous quantitation of PAH and NAc-PAH, but may also provide more accurate and precise PAH clearance measurements...
Pharmacogenetics-based population pharmacokinetic analysis of efavirenz in HIV-1-infected individualsM Arab-Alameddine
Division of Clinical Pharmacology and Toxicology, University Hospital Center, University of Lausanne, Lausanne, Switzerland
Clin Pharmacol Ther 85:485-94. 2009..Therefore, dosage adjustment in accordance with the type of polymorphism (CYP2B6, CYP2A6, or CYP3A4) is required in order to maintain EFV within the therapeutic target levels...
Estimation of glomerular filtration rate by sinistrin clearance using various approachesT Buclin
Division of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
Ren Fail 20:267-76. 1998..D/AUC represents the most advisable approach for snapshot renal testing in subjects or patients without important renal impairment...
[Pharmacovigilance update]F Livio
Division de pharmacologie et toxicologie cliniques, Département de médecine CHUV, 1011 Lausanne
Rev Med Suisse 6:128-31. 2010..Raised concerns of causality between insuline glargine and malignant tumors are not supported by strong evidence. Proton pump inhibitors seem to blunt clopidogrel benefit. Aliskiren can cause angioedema...
[Effects of oral cannabis and dronabinol on driving capacity]C Giroud
Laboratoire de toxicologie et chimie forensiques, institut universitaire de médecine légale IUML, Rue du Bugnon 21, CH 1005 Lausanne, Suisse
Ann Pharm Fr 64:161-72. 2006..The Cannabis Influence Factor (CIF) which relies on the molar ratio of active and inactive cannabinoids in blood provided a good estimate of the fitness to drive...
[Risk of overtreatment: not to be neglected. The example of antiepileptic drugs]L E Rothuizen
Division de pharmacologie et toxicologie cliniques, Département de médecine Hôpital Beaumont, CHUV, Lausanne
Rev Med Suisse 2:976-80. 2006..Its prevention requires the recognition of the situations and the understanding of the mechanisms leading to it. The pharmacological treatment of epilepsy exposes to such a risk and serves as an example for its detection and correction...
[Trends in drug therapy]F Livio
Division de pharmacologie et toxicologie cliniques, Departement de Medecine, CHUV, Lausanne
Rev Med Suisse 2:155-9. 2006..Risk-benefit assessment of drugs is a dynamic process. One must keep in mind that the data on the relationship between drugs and the clinical picture are of variable quality and that the size of the risk is often difficult to assess...
[Pharmacovigilance update]F Livio
Division de pharmacologie et toxicologie cliniques, CHUV, 1011 Lausanne
Rev Med Suisse 4:150-4. 2008..Besides biological investigations of questionable relevance and clinical trial of inconstant efficiency towards safety outcomes, the role of pharmacovigilance notifications by practitioners remains of paramount importance...
[Pharmacovigilance update]F Livio
Division de pharmacologie et toxicologie cliniques, Departement de Medecine, CHUV, 1011 Lausanne
Rev Med Suisse 7:71-4. 2011..The correct use of transdermal patches is reviewed with the example of rivastigmine. Aseptic meningitis is a rare adverse reaction of lamotrigine. An increased risk of fractures after long term use of proton pump inhibitors is suspected...
Inhibition of CYP2E1 by chlormethiazole as measured by chlorzoxazone pharmacokinetics in patients with alcoholism and in healthy volunteersC B Eap
Departement universitaire de psychiatrie adulte, Hôpital de Cery, Prilly, Lausanne, Switzerland
Clin Pharmacol Ther 64:52-7. 1998..It is known that CYP2E1 is involved in the activation of many low-molecular-weight toxins and carcinogens and may be involved in the development of alcohol-induced liver disease...
Population pharmacokinetics of ganciclovir in solid-organ transplant recipients receiving oral valganciclovirN Perrottet
Division of Clinical Pharmacology and Toxicology Département de Médecine, Hôpital de Beaumont 06, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Antimicrob Agents Chemother 53:3017-23. 2009..However, GCV plasma measurement may still be helpful in specific clinical situations...
Population pharmacokinetics of fluconazole given for secondary prevention of oropharyngeal candidiasis in HIV-positive patientsC Csajka
Division of Clinical Pharmacology, University Hospital, CHUV, Lausanne, Switzerland
Eur J Clin Pharmacol 57:723-7. 2001....
Population pharmacokinetics of imatinib and the role of alpha-acid glycoproteinN Widmer
Division of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
Br J Clin Pharmacol 62:97-112. 2006..Ideally, such an approach should take account of either circulating alpha1-acid glycoprotein concentrations or free imatinib concentrations...
Reassessment of recommended imipenem doses in febrile neutropenic patients with hematological malignanciesF Lamoth
Department of Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Switzerland
Antimicrob Agents Chemother 53:785-7. 2009..The recommended 2-g/day regimen achieved coverage of the most common bacteria (MIC(90) = 1 mg/liter) during the whole dosing interval in only 53% of patients. This goal was achieved in 90% of patients with 3 g/day...
[Antimicrobial agents and renal elimination: towards individual dosage adjustment?]C Willi-Robatel
Division de pharmacologie et toxicologie cliniques, Département des laboratoires, CHUV, Lausanne
Rev Med Suisse 8:894-900. 2012..The literature has been reviewed and compared to a predictive model of the fraction of drug cleared by the kidney based on the Dettli's principle. Revised drug dosing recommendations integrating these predictive parameters are proposed...
Diet acids and alkalis influence calcium retention in boneT Buclin
Division of Clinical Pharmacology, University Hospital CHUV, Lausanne, Switzerland
Osteoporos Int 12:493-9. 2001..Further studies are needed to determine the clinical impact of dietary counseling for avoiding diet acids as a preventive measure against osteoporosis...
Relationship of imatinib-free plasma levels and target genotype with efficacy and tolerabilityN Widmer
Division of Clinical Pharmacology, Department of Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
Br J Cancer 98:1633-40. 2008..Our findings represent additional arguments to further evaluate the usefulness of individualizing imatinib prescription based on a therapeutic drug monitoring programme, possibly associated with target genotype profiling of patients...
[Drugs and breastfeeding: some facts to consider before deciding they are incompatible]A Panchaud
Division de pharmacologie et toxicologie cliniques, CHUV, Lausanne
Rev Med Suisse 4:540-5. 2008..This article aims to review the facts needed to assess amount of drug exposure to the child and to list the few drugs associated with significant effects on the nursing infant...
A LC-tandem MS assay for the simultaneous measurement of new antiretroviral agents: Raltegravir, maraviroc, darunavir, and etravirineA Fayet
Division of Clinical Pharmacology and Toxicology, University Hospital of Lausanne, Switzerland
J Chromatogr B Analyt Technol Biomed Life Sci 877:1057-69. 2009....
Characterization of a selective antagonist of neuropeptide Y at the Y2 receptor. Synthesis and pharmacological evaluation of a Y2 antagonistE Grouzmann
Division d Hypertension, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
J Biol Chem 272:7699-706. 1997..48. Thus, to our best knowledge, T4-[NPY(33-36)]4 represents the first potent and selective Y2 antagonist...
Disposition of voriconazole during continuous veno-venous haemodiafiltration (CVVHDF) in a single patientC Robatel
Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, Lausanne, Switzerland
J Antimicrob Chemother 54:269-70. 2004..The estimated sieving coefficient was 0.53 and the filtration-dialysis clearance 1.2 L/h. CONCLUSIONS: CVVHDF does not significantly affect voriconazole disposition and requires no dosage adjustment...
Pharmacokinetics and dosage adaptation of meropenem during continuous venovenous hemodiafiltration in critically ill patientsC Robatel
Division of Clinical Pharmacology, Department of Medicine, University Hospital, Lausanne, Switzerland
J Clin Pharmacol 43:1329-40. 2003..The results indicate that two different therapeutic schedules of meropenem are equally applicable to patients receiving CVVHD: either 750 mg tid or 1500 bid...
Delta(9)-THC, 11-OH-Delta(9)-THC and Delta(9)-THCCOOH plasma or serum to whole blood concentrations distribution ratios in blood samples taken from living and dead peopleC Giroud
Laboratoire de Toxicologie Analytique, , Lausanne, Switzerland
Forensic Sci Int 123:159-64. 2001..6 to calculate plasma concentrations from blood values. In the case of blood samples taken after death, the use of these models to assess the time of Cannabis use is not recommended...
The effects of morphine on dyspnea and ventilatory function in elderly patients with advanced cancer: a randomized double-blind controlled trialC Mazzocato
Division of Palliative Care, University Hospital, Lausanne, Switzerland
Ann Oncol 10:1511-4. 1999..This study was undertaken to assess the efficacy of morphine on dyspnea and its safety for ventilatory function in elderly advanced cancer patients...
Determination of imatinib (Gleevec) in human plasma by solid-phase extraction-liquid chromatography-ultraviolet absorbance detectionN Widmer
Division de pharmacologie clinique, Laboratoire BH 18-218, , Centre Hospitalier Universitaire Vaudois, 1011 Lausanne CHUV, Switzerland
J Chromatogr B Analyt Technol Biomed Life Sci 803:285-92. 2004..7%). The method has been validated and is currently being applied in a clinical study assessing the imatinib plasma concentration variability in a population of chronic myeloid leukemia- and gastro-intestinal stromal tumor-patients...
Resistance reversal by RNAi silencing of MDR1 in CML cells associated with increase in imatinib intracellular levelsN Widmer
Leukemia 21:1561-2; author reply 1562-4. 2007
Efavirenz plasma levels can predict treatment failure and central nervous system side effects in HIV-1-infected patientsC Marzolini
Department of Medicine, University Hospital of Lausanne, Switzerland
AIDS 15:71-5. 2001..The important inter-individual variability in efavirenz levels strongly argues for dose adjustment on the basis of therapeutic drug monitoring to optimize treatment...
