Research Topics
| L E FribergSummaryAffiliation: Uppsala University Country: Sweden Publications
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Detail Information
Publications
Mechanistic models for myelosuppressionLena E Friberg
Division of Pharmacokinetics and Drug Therapy, Uppsala University, Uppsala, Sweden
Invest New Drugs 21:183-94. 2003....
An agonist-antagonist interaction model for prolactin release following risperidone and paliperidone treatmentL E Friberg
Department of Pharmaceutical Biosciences, Division of Pharmacokinetics and Drug Therapy, Uppsala University, Uppsala, Sweden
Clin Pharmacol Ther 85:409-17. 2009..This quantitative mechanism-based model is the first to describe prolactin release in patients, and it confirms that paliperidone and risperidone have similar potencies for prolactin release...
Model of chemotherapy-induced myelosuppression with parameter consistency across drugsLena E Friberg
Division of Pharmacokinetics and Drug Therapy, Uppsala University, Uppsala, Sweden
J Clin Oncol 20:4713-21. 2002..To develop a semimechanistic pharmacokinetic-pharmacodynamic model describing chemotherapy-induced myelosuppression through drug-specific parameters and system-related parameters, which are common to all drugs...
Modeling and simulation of the time course of asenapine exposure response and dropout patterns in acute schizophreniaL E Friberg
Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
Clin Pharmacol Ther 86:84-91. 2009..Although simulations indicated that the post hoc probability of success of the performed trials was low to moderate, these analyses demonstrated that 5 and 10 mg twice-daily (b.i.d.) doses of asenapine have similar efficacy...
Scaling the time-course of myelosuppression from rats to patients with a semi-physiological modelLena E Friberg
Department of Pharmaceutical Biosciences, Uppsala University, SE 75124, Uppsala, Sweden
Invest New Drugs 28:744-53. 2010..To investigate the potential of a model for chemotherapy-induced myelosuppression to predict the full time-course of myelosuppression in patients based on rat data...
Pharmacokinetic-pharmacodynamic modelling of QT interval prolongation following citalopram overdosesLena E Friberg
School of Pharmacy, University of Queensland, Brisbane, Australia
Br J Clin Pharmacol 61:177-90. 2006....
Models of schedule dependent haematological toxicity of 2'-deoxy-2'-methylidenecytidine (DMDC)L E Friberg
Division of Biopharmaceutics and Pharmacokinetics, Uppsala University, Box 580, SE 751 23 Uppsala, Sweden
Eur J Clin Pharmacol 56:567-74. 2000..The major dose-limiting toxicity of DMDC is haematological depression, particularly neutropenia, and therefore quantitative exposure-toxicity relationships for DMDC are warranted...
Semiphysiological model for the time course of leukocytes after varying schedules of 5-fluorouracil in ratsL E Friberg
Department of Pharmacy, Division of Biopharmaceutics and Pharmacokinetics, Uppsala University, Uppsala, Sweden
J Pharmacol Exp Ther 295:734-40. 2000..A posterior predictive check as well as predictions into a new data set showed that our model could well predict the schedule-dependent leukopenic effects of 5-fluorouracil...
The population pharmacokinetics of citalopram after deliberate self-poisoning: a Bayesian approachLena E Friberg
School of Pharmacy, University of Queensland, Brishane, Australia
J Pharmacokinet Pharmacodyn 32:571-605. 2005..These findings suggest charcoal administration is potentially beneficial after citalopram overdose. The methodology explored seems promising for exploring the dose-exposure relationship in the toxicological settings...
Pharmacokinetic/pharmacodynamic modelling in oncological drug developmentMats O Karlsson
Division of Pharmacokinetics and Drug Therapy, Department of Pharmaceutical Biosciences, Faculty of Pharmacy, Uppsala University, Box 591, SE 751 24 Uppsala, Sweden
Basic Clin Pharmacol Toxicol 96:206-11. 2005....
Limited inter-occasion variability in relation to inter-individual variability in chemotherapy-induced myelosuppressionEmma K Hansson
Department of Pharmaceutical Biosciences, Uppsala University, Box 591, 751 24 Uppsala, Sweden
Cancer Chemother Pharmacol 65:839-48. 2010..The objective of this study was to evaluate and compare magnitudes of IOV and IIV in myelosuppression model parameters across six different anti-cancer drug treatments...
Population pharmacokinetics of tacrolimus in pediatric hematopoietic stem cell transplant recipients: new initial dosage suggestions and a model-based dosage adjustment toolJohan E Wallin
Division of Pharmacokinetics and Drug Therapy, Uppsala University, Uppsala, Sweden
Ther Drug Monit 31:457-66. 2009..The appropriateness of targets was not investigated in this study. The Bayesian dosing adjustment tool and suggested dose recommendations need to be evaluated in a prospective study before they can be applied in the clinical setting...
A tool for neutrophil guided dose adaptation in chemotherapyJohan E Wallin
Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
Comput Methods Programs Biomed 93:283-91. 2009..In the dosing tool the user provides neutrophil measures from a previous treatment course and request for the dose that results in a desired nadir in the upcoming course through a Bayesian estimation procedure...
Predicting in vitro antibacterial efficacy across experimental designs with a semimechanistic pharmacokinetic-pharmacodynamic modelElisabet I Nielsen
Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE 751 24 Uppsala, Sweden
Antimicrob Agents Chemother 55:1571-9. 2011..Adding data from dynamic experiments in the estimation improved the model fit for cefuroxime and vancomycin, indicating some differences in sensitivity to experimental conditions among the antibiotics studied...
Quantitative analysis of colistin A and colistin B in plasma and culture medium using a simple precipitation step followed by LC/MS/MSBritt Jansson
Division of Pharmacokinetics and Drug Therapy, Department of Biopharmaceutical Sciences, Biomedicum, Box 591, SE 75124 Uppsala, Sweden
J Pharm Biomed Anal 49:760-7. 2009..4% and accuracy <+/-8.1%. The quick sample work-up method allows for determination of colistin A and B in clinical samples without causing hydrolysis of the prodrug colistin methanesulfonate (CMS)...
Transforming parts of a differential equations system to difference equations as a method for run-time savings in NONMEMK J F Petersson
Department of Pharmaceutical Biosciences, Uppsala University, Box 591, 751 24 Uppsala, Sweden
J Pharmacokinet Pharmacodyn 37:493-506. 2010..When computational runtime seriously affects the usefulness of a model we suggest evaluating this approach for repetitive elements of model building and evaluation such as covariate inclusions or bootstraps...
Model-based neutrophil-guided dose adaptation in chemotherapy: evaluation of predicted outcome with different types and amounts of informationJohan E Wallin
Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
Basic Clin Pharmacol Toxicol 106:234-42. 2010....
Evaluation of IPPSE, an alternative method for sequential population PKPD analysisB D Lacroix
Pharmacometrics Group, Dept of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
J Pharmacokinet Pharmacodyn 39:177-93. 2012..The IPPSE method is a promising alternative for PKPD analysis, combining the advantages of the SIM (higher precision and lower bias of parameter estimates) and the IPP (shorter run time) methods...
In vivo activity of CHS 828 on hollow-fibre cultures of primary human tumour cells from patientsE Jonsson
Division of Clinical Pharmacology, Akademiska Hospital, SE 751 85, Uppsala, Sweden
Cancer Lett 162:193-200. 2001..The results show a feasibility of using tumour cells directly from patients in the hollow-fibre rat model...
Population pharmacokinetics of itraconazole and its active metabolite hydroxy-itraconazole in paediatric cystic fibrosis and bone marrow transplant patientsStefanie Hennig
School of Pharmacy, The University of Queensland, Brisbane, Queensland, Australian
Clin Pharmacokinet 45:1099-114. 2006..The ultimate goals were to determine the relative bioavailability between the two oral formulations (capsules vs oral solution) and to optimise dosing regimens in these patients...
Pharmacokinetic-pharmacodynamic modelling of the schedule-dependent effect of the anti-cancer agent CHS 828 in a rat hollow fibre modelLena E Friberg
Division of Pharmacokinetics and Drug Therapy, Uppsala University, Uppsala, Sweden
Eur J Pharm Sci 25:163-73. 2005..The prolonged schedules of CHS 828 were therefore associated with greater antitumour effects than single doses of the same total exposure...
Activated charcoal decreases the risk of QT prolongation after citalopram overdoseGeoffrey K Isbister
Menzies School of Health Research, Charles Darwin University, Darwin, Australia
Ann Emerg Med 50:593-600, 600.e1-46. 2007..We determine whether single-dose activated charcoal (SDAC) administration after citalopram overdose reduces the proportion of patients developing abnormal QT prolongation...
Application of pharmacokinetic-pharmacodynamic modelling in management of QT abnormalities after citalopram overdoseGeoffrey K Isbister
Tropical Toxinology Unit, Menzies School of Health Research, Charles Darwin University, Darwin, Australia
Intensive Care Med 32:1060-5. 2006..To develop guidelines for the management of QT prolongation after citalopram overdose, including decontamination with single-dose activated charcoal (SDAC) and cardiac monitoring...
Prediction of irinotecan pharmacokinetics by use of cytochrome P450 3A4 phenotyping probesRon H J Mathijssen
Department of Medical Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
J Natl Cancer Inst 96:1585-92. 2004..We prospectively explored the relationships between CYP3A phenotype, as assessed by erythromycin metabolism and midazolam clearance, and the metabolism of irinotecan and its active metabolite SN-38...
Cigarette smoking and irinotecan treatment: pharmacokinetic interaction and effects on neutropeniaJessica M van der Bol
Department of Medical Oncology, Erasmus MC University Medical Center, Daniel den Hoed Cancer Center, Rotterdam, The Netherlands
J Clin Oncol 25:2719-26. 2007..The purpose of this study was to determine the effects of cigarette smoking on the pharmacokinetics and adverse effects of irinotecan...
