Doctoral theses at NTNU, 2011:167
Trine Naalsund Andreassen
Pharmacokinetic, pharmacodynamic and pharmacogenetic aspects of
oxycodone treatment in cancer pain
ISBN 978-82-471-2880-0 (printed ver.) ISBN 978-82-471-2881-7 (electronic ver.) ISSN 1503-8181
NTNU Norwegian University of Science and Technology Thesis for the degree of philosophiae doctor Faculty of Medicine Department of Circulation and Medical Imaging
Trine Naalsund Andreassen Doctoral theses at NTNU, 2011:167
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Forskningsgruppe:Smerteogpalliasjon
Instituttforsirkulasjonogbildediagnostikk,DetMedisinskeFakultet,NTNU
Hovedveileder:ProfessorOlaDale
Biveiledere:ProfessorPålKlepstad,ProfessorSteinKaasaogPh.D.IngridEftedal
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Forskningsgruppe:Smerteogpalliasjon
Instituttforsirkulasjonogbildediagnostikk,DetMedisinskeFakultet,NTNU
Hovedveileder:ProfessorOlaDale
Biveiledere:ProfessorPålKlepstad,ProfessorSteinKaasaogPh.D.IngridEftedal
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Forskningsgruppe:Smerteogpalliasjon
Instituttforsirkulasjonogbildediagnostikk,DetMedisinskeFakultet,NTNU
Hovedveileder:ProfessorOlaDale
Biveiledere:ProfessorPålKlepstad,ProfessorSteinKaasaogPh.D.IngridEftedal
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Forskningsgruppe:Smerteogpalliasjon
Instituttforsirkulasjonogbildediagnostikk,DetMedisinskeFakultet,NTNU
Hovedveileder:ProfessorOlaDale
Biveiledere:ProfessorPålKlepstad,ProfessorSteinKaasaogPh.D.IngridEftedal
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TableofContents
Acknowledgements...1
Listofpapers...5
Abbreviations...6
Glossary...7
Introduction...11
Cancerpatients...11
Pain...12
CancerPain...12
WHO’sthreeͲstep"ladder"forcancerpainrelief...13
Opioidmechanismofaction...15
BloodͲBrainBarrier...16
InterͲindividualvariabilityinresponsetoanopioid...17
Adverseeffects...17
Oxycodoneversusmorphine...18
Oxycodone...19
ControlledͲrelease(CR)versusimmediateͲrelease(IR)oxycodone...20
Clinicalindications...21
Metabolismandpharmacokinetics...21
TheCYP3A4metabolicpathway...24
TheCYP2D6metabolicpathway...24
CYP2D6pharmacogenetics...24
TheCYP2D6Ͳgenotypeinfluenceonthepharmacokineticsandpharmacodynamicsofoxycodone.25 Assessmentofsymptoms...26
Rationaleforthisthesis...27
Studyobjectives...31
Materialandmethods...33
Patientcohort...33
TheEuropeanPharmacogeneticOpioidStudy,EPOS...33
SerumconcentrationanalysesbyliquidchromatographyͲtandemmassspectrometry...36
DeterminationoftheCYP2D6Ͳgenotypes...38
Briefpaininventory(BPI)...40
TableofContents
Acknowledgements...1Listofpapers...5
Abbreviations...6
Glossary...7
Introduction...11
Cancerpatients...11
Pain...12
CancerPain...12
WHO’sthreeͲstep"ladder"forcancerpainrelief...13
Opioidmechanismofaction...15
BloodͲBrainBarrier...16
InterͲindividualvariabilityinresponsetoanopioid...17
Adverseeffects...17
Oxycodoneversusmorphine...18
Oxycodone...19
ControlledͲrelease(CR)versusimmediateͲrelease(IR)oxycodone...20
Clinicalindications...21
Metabolismandpharmacokinetics...21
TheCYP3A4metabolicpathway...24
TheCYP2D6metabolicpathway...24
CYP2D6pharmacogenetics...24
TheCYP2D6Ͳgenotypeinfluenceonthepharmacokineticsandpharmacodynamicsofoxycodone.25 Assessmentofsymptoms...26
Rationaleforthisthesis...27
Studyobjectives...31
Materialandmethods...33
Patientcohort...33
TheEuropeanPharmacogeneticOpioidStudy,EPOS...33
SerumconcentrationanalysesbyliquidchromatographyͲtandemmassspectrometry...36
DeterminationoftheCYP2D6Ͳgenotypes...38
Briefpaininventory(BPI)...40
TableofContents
Acknowledgements...1Listofpapers...5
Abbreviations...6
Glossary...7
Introduction...11
Cancerpatients...11
Pain...12
CancerPain...12
WHO’sthreeͲstep"ladder"forcancerpainrelief...13
Opioidmechanismofaction...15
BloodͲBrainBarrier...16
InterͲindividualvariabilityinresponsetoanopioid...17
Adverseeffects...17
Oxycodoneversusmorphine...18
Oxycodone...19
ControlledͲrelease(CR)versusimmediateͲrelease(IR)oxycodone...20
Clinicalindications...21
Metabolismandpharmacokinetics...21
TheCYP3A4metabolicpathway...24
TheCYP2D6metabolicpathway...24
CYP2D6pharmacogenetics...24
TheCYP2D6Ͳgenotypeinfluenceonthepharmacokineticsandpharmacodynamicsofoxycodone.25 Assessmentofsymptoms...26
Rationaleforthisthesis...27
Studyobjectives...31
Materialandmethods...33
Patientcohort...33
TheEuropeanPharmacogeneticOpioidStudy,EPOS...33
SerumconcentrationanalysesbyliquidchromatographyͲtandemmassspectrometry...36
DeterminationoftheCYP2D6Ͳgenotypes...38
Briefpaininventory(BPI)...40
TableofContents
Acknowledgements...1Listofpapers...5
Abbreviations...6
Glossary...7
Introduction...11
Cancerpatients...11
Pain...12
CancerPain...12
WHO’sthreeͲstep"ladder"forcancerpainrelief...13
Opioidmechanismofaction...15
BloodͲBrainBarrier...16
InterͲindividualvariabilityinresponsetoanopioid...17
Adverseeffects...17
Oxycodoneversusmorphine...18
Oxycodone...19
ControlledͲrelease(CR)versusimmediateͲrelease(IR)oxycodone...20
Clinicalindications...21
Metabolismandpharmacokinetics...21
TheCYP3A4metabolicpathway...24
TheCYP2D6metabolicpathway...24
CYP2D6pharmacogenetics...24
TheCYP2D6Ͳgenotypeinfluenceonthepharmacokineticsandpharmacodynamicsofoxycodone.25 Assessmentofsymptoms...26
Rationaleforthisthesis...27
Studyobjectives...31
Materialandmethods...33
Patientcohort...33
TheEuropeanPharmacogeneticOpioidStudy,EPOS...33
SerumconcentrationanalysesbyliquidchromatographyͲtandemmassspectrometry...36
DeterminationoftheCYP2D6Ͳgenotypes...38
Briefpaininventory(BPI)...40