Recirculatory model of fentanyl disposition with the brain as the target organ

RN Upton, C Grant, AM Martinez… - British journal of …, 2004 - academic.oup.com
… defined the quantitative relationship between the brain concentrations of fentanyl and the …
analysis of fentanyl disposition has often focused on the blood concentrations of fentanyl, it is …

Pharmacokinetics of fentanyl

LE Mather, GK Gourlay - Transdermal fentanyl: a new approach to …, 1991 - Springer
… on fentanyl disposition. Overriding all this is the problem of experimental design not
being ideal or even uniform between studies. The condusions tend to be based on poor data. …

Reduction and lumping of physiologically based pharmacokinetic models: prediction of the disposition of fentanyl and pethidine in humans by successively simplified …

S Björkman - Journal of pharmacokinetics and pharmacodynamics, 2003 - Springer
… a Median estimated organ/tissue weights in the 10 patients of the fentanyl study. b
Median estimated regional blood flows. c Distribution clearance, as determined in rats. …

Physiologically-based pharmacokinetic model for Fentanyl in support of the development of Provisional Advisory Levels

H Shankaran, F Adeshina, JG Teeguarden - Toxicology and applied …, 2013 - Elsevier
target organ (venous blood for IN and FEBT) with rate K2. Our objective here is to use
parsimonious mathematical expressions to estimate and compare the absorption kinetics for these …

Comparative physiological pharmacokinetics of fentanyl and alfentanil in rats and humans based on parametric single-tissue models

S Björkman, DR Wada, DR Stanski… - … of pharmacokinetics and …, 1994 - Springer
… to characterize the disposition of fentanyl and alfentanil in 14 … barriers to fentanyl and alfentanil
in many organs and tissues … to predict the initial disposition of fentanyl and alfentanil. For …

Genetic, pathological and physiological determinants of transdermal fentanyl pharmacokinetics in 620 cancer patients of the EPOS study

DT Barratt, B Bandak, P Klepstad, O Dale… - Pharmacogenetics …, 2014 - journals.lww.com
… relating to organ drug elimination function and ABCB1 genetics for their association with
serum fentanyl and norfentanyl concentrations and metabolic ratio (MR) (norfentanyl : fentanyl). …

Development of physiologically based organ models to evaluate the pharmacokinetics of drugs in the testes and the thyroid gland

S Pilari, T Gaub, M Block… - CPT: pharmacometrics & …, 2017 - Wiley Online Library
… For testes, we identified a total of three compounds, alfentanil, fentanyl, and thiopental
that fulfilled our criteria to be accepted as candidates for model development. For the thyroid, …

Factors contributing to fentanyl pharmacokinetic variability among diagnostically diverse critically ill children

FT Hagos, CM Horvat, AK Au, YP Conley, L Li… - Clinical …, 2019 - Springer
… Serum fentanyl measurements were performed for 278 … were evaluated to describe fentanyl
disposition. Covariates were … represent initial fentanyl exposure in well-perfused end-organs, …

Toxicokinetic studies and analytical toxicology of the new synthetic opioids cyclopentanoyl-fentanyl and tetrahydrofuranoyl-fentanyl

TM Gampfer, L Wagmann, MJ Richter… - Journal of Analytical …, 2020 - academic.oup.com
… are given in comparison to fentanyl. Both were first … -fentanyl showed a similar potency as
fentanyl (8). Another study indicated that aliphatic derivatives might be less potent than fentanyl

A physiologically-based recirculatory meta-model for nasal fentanyl in man

RN Upton, DJR Foster, LL Christrup, O Dale… - … of pharmacokinetics and …, 2012 - Springer
… of fentanyl PK–PD based on clinical data that can reconcile both arterial and venous plasma
fentanyl concentrations while using a target organ … any model of fentanyl disposition in man …