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Yassen, A. (2007)

Mechanism-based pharmacokinetic-pharmacodynamic modeling of the efficacy and safety of (semi-)synthetic opioids

Doctoral Thesis
The objective of the investigations described in this thesis was to characterize the in vivo pharmacological and PK-PD properties of buprenorphine relative to fentanyl with respect to: 1) kinetics of onset and offset of the pharmacological effects at the mu-opioid receptor, 2) selectivity of action (antinociception versus respiratory depression), 3) the interspecies extrapolation of the PK-PD correlation of the antinociceptive and respiratory depressant effect, 4) the role of active metabolites, 5) kinetics of antagonism of the respiratory depressant effect. Preclinical investigations were performed to develop and validate mechanism-based PK-PD models for the effects of opioids on antinociception and respiration. These PK-PD models were subsequently applied to characterize the effects of buprenorphine and fentanyl in humans. It was shown that the developed PK-PD model can be used to predict the efficacy and safety outcome of opioids in animals. Furthermore, the PK-PD model had...Show moreThe objective of the investigations described in this thesis was to characterize the in vivo pharmacological and PK-PD properties of buprenorphine relative to fentanyl with respect to: 1) kinetics of onset and offset of the pharmacological effects at the mu-opioid receptor, 2) selectivity of action (antinociception versus respiratory depression), 3) the interspecies extrapolation of the PK-PD correlation of the antinociceptive and respiratory depressant effect, 4) the role of active metabolites, 5) kinetics of antagonism of the respiratory depressant effect. Preclinical investigations were performed to develop and validate mechanism-based PK-PD models for the effects of opioids on antinociception and respiration. These PK-PD models were subsequently applied to characterize the effects of buprenorphine and fentanyl in humans. It was shown that the developed PK-PD model can be used to predict the efficacy and safety outcome of opioids in animals. Furthermore, the PK-PD model had excellent properties to enable animal-to-human extrapolation of the efficacy and safety outcome.Show less
Analgesia
Buprenorphine
Efficacy
Fentanyl
Naloxone
Norbuprenorphine
Opioids
PK-PD modeling
Respiratory depression
Safety
All authors
Yassen, A.
Supervisor
Danhof, M.; Dahan, A.
Qualification
Doctor (dr.)
Awarding Institution
Division of Pharmacology ; Leiden-Amsterdam Center for Drug Research, Leiden University Medical Center (LUMC), Leiden University
Date
2007-10-24

Juridical information

Court
LEI Universiteit Leiden