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Pharmacokinetics of lamotrigine in paediatric and young adult epileptic patients-nonlinear mixed effects modelling approach
dc.creator | Brzaković, Branka | |
dc.creator | Vučićević, Katarina | |
dc.creator | Vezmar-Kovačević, Sandra | |
dc.creator | Miljković, Branislava | |
dc.creator | Prostran, Milica | |
dc.creator | Martinović, Žarko J. | |
dc.creator | Pokrajac, Milena | |
dc.date.accessioned | 2019-09-02T11:41:08Z | |
dc.date.available | 2019-09-02T11:41:08Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0031-6970 | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/2183 | |
dc.description.abstract | The purpose of the study was to examine and describe adjunctive lamotrigine (LTG) pharmacokinetics in paediatric and young adult patients using a nonlinear mixed effects modelling (NONMEM) approach. The study included 53 patients (age range 3-35 years) who were concomitantly treated with carbamazepine (CBZ) and/or valproic acid (VPA). A total of 70 blood samples corresponding to trough levels were available for analysis. Data were modelled, and the final model was evaluated using NONMEM and auxiliary software tools. The final LTG population model included the effects of concomitant drugs and patient's weight (WT) which stratified the population into three groups: a parts per thousand currency sign25 kg, > 25 to lt 60 kg and a parts per thousand yen60 kg. Based on the final model, the estimated LTG oral clearance (CL/F) for a typical patient weighing a parts per thousand currency sign25 kg, > 25 to lt 60 kg or a parts per thousand yen60 kg who was concomitantly treated with CBZ was estimated to be 3.28, 4.23, or 7.15 l/h, respectively. If a patient was concomitantly treated with CBZ + VPA, the CL/F decreased on average by 69.5 % relative to LTG + CBZ co-therapy. VPA was found to decrease the LTG CL/F by 87.6 % compared to co-therapy with only CBZ. The LTG population pharmacokinetic model developed in this study may be a reliable method for individualising the LTG dosing regimen in paediatric and young adult patients on combination therapy during therapeutic drug monitoring. | en |
dc.publisher | Springer Heidelberg, Heidelberg | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/175023/RS// | |
dc.rights | restrictedAccess | |
dc.source | European Journal of Clinical Pharmacology | |
dc.subject | Lamotrigine | en |
dc.subject | Therapeutic drug monitoring | en |
dc.subject | Concomitant medication | en |
dc.subject | Clearance | en |
dc.subject | NONMEM | en |
dc.title | Pharmacokinetics of lamotrigine in paediatric and young adult epileptic patients-nonlinear mixed effects modelling approach | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Покрајац, Милена; Миљковић, Бранислава; Мартиновић, Жарко Ј.; Везмар-Ковачевић, Сандра; Вучићевић, Катарина; Брзаковић, Бранка; Простран, Милица; | |
dc.citation.volume | 70 | |
dc.citation.issue | 2 | |
dc.citation.spage | 179 | |
dc.citation.epage | 185 | |
dc.citation.other | 70(2): 179-185 | |
dc.citation.rank | M22 | |
dc.identifier.wos | 000330035900007 | |
dc.identifier.doi | 10.1007/s00228-013-1606-5 | |
dc.identifier.pmid | 24240511 | |
dc.identifier.scopus | 2-s2.0-84895076247 | |
dc.type.version | publishedVersion |