Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry

Background: This exploratory study aimed to investigate whether dexmedetomidine, propofol, sevoflurane, and S-ketamine affect oxylipins and bile acids, which are functionally diverse molecules with possible connections to cellular bioenergetics, immune modulation, and organ protection. Methods: In t...

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Main Authors: Aleksi Nummela, Lauri Laaksonen, Annalotta Scheinin, Kaike Kaisti, Tero Vahlberg, Mikko Neuvonen, Katja Valli, Antti Revonsuo, Markus Perola, Mikko Niemi, Harry Scheinin, Timo Laitio
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:BJA Open
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Online Access:http://www.sciencedirect.com/science/article/pii/S2772609622001137
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author Aleksi Nummela
Lauri Laaksonen
Annalotta Scheinin
Kaike Kaisti
Tero Vahlberg
Mikko Neuvonen
Katja Valli
Antti Revonsuo
Markus Perola
Mikko Niemi
Harry Scheinin
Timo Laitio
author_facet Aleksi Nummela
Lauri Laaksonen
Annalotta Scheinin
Kaike Kaisti
Tero Vahlberg
Mikko Neuvonen
Katja Valli
Antti Revonsuo
Markus Perola
Mikko Niemi
Harry Scheinin
Timo Laitio
author_sort Aleksi Nummela
collection DOAJ
description Background: This exploratory study aimed to investigate whether dexmedetomidine, propofol, sevoflurane, and S-ketamine affect oxylipins and bile acids, which are functionally diverse molecules with possible connections to cellular bioenergetics, immune modulation, and organ protection. Methods: In this randomised, open-label, controlled, parallel group, Phase IV clinical drug trial, healthy male subjects (n=160) received equipotent doses (EC50 for verbal command) of dexmedetomidine (1.5 ng ml−1; n=40), propofol (1.7 μg ml−1; n=40), sevoflurane (0.9% end-tidal; n=40), S-ketamine (0.75 μg ml−1; n=20), or placebo (n=20). Blood samples for tandem mass spectrometry were obtained at baseline, after study drug administration at 60 and 130 min from baseline; 40 metabolites were analysed. Results: Statistically significant changes vs placebo were observed in 62.5%, 12.5%, 5.0%, and 2.5% of analytes in dexmedetomidine, propofol, sevoflurane, and S-ketamine groups, respectively. Data are presented as standard deviation score, 95% confidence interval, and P-value. Dexmedetomidine induced wide-ranging decreases in oxylipins and bile acids. Amongst others, 9,10-dihydroxyoctadecenoic acid (DiHOME) –1.19 (–1.6; –0.78), P<0.001 and 12,13-DiHOME –1.22 (–1.66; –0.77), P<0.001 were affected. Propofol elevated 9,10-DiHOME 2.29 (1.62; 2.96), P<0.001 and 12,13-DiHOME 2.13 (1.42; 2.84), P<0.001. Analytes were mostly unaffected by S-ketamine. Sevoflurane decreased tauroursodeoxycholic acid (TUDCA) –2.7 (–3.84; –1.55), P=0.015. Conclusions: Dexmedetomidine-induced oxylipin alterations may be connected to pathways associated with organ protection. In contrast to dexmedetomidine, propofol emulsion elevated DiHOMEs, oxylipins associated with acute respiratory distress syndrome, and mitochondrial dysfunction in high concentrations. Further research is needed to establish the behaviour of DIHOMEs during prolonged propofol/dexmedetomidine infusions and to verify the sevoflurane-induced reduction in TUDCA, a suggested neuroprotective agent. Clinical trial registration: NCT02624401.
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spelling doaj.art-d163803b1d2d4883a888baeba03238a12022-12-22T04:23:48ZengElsevierBJA Open2772-60962022-12-014100114Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometryAleksi Nummela0Lauri Laaksonen1Annalotta Scheinin2Kaike Kaisti3Tero Vahlberg4Mikko Neuvonen5Katja Valli6Antti Revonsuo7Markus Perola8Mikko Niemi9Harry Scheinin10Timo Laitio11Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Internal Medicine, Turku University Hospital, Turku, Finland; Corresponding author. Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland.Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Peri-operative Services, University of Turku and Turku University Hospital, Turku, FinlandTurku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Peri-operative Services, University of Turku and Turku University Hospital, Turku, FinlandTurku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Peri-operative Services, University of Turku and Turku University Hospital, Turku, FinlandDepartment of Clinical Medicine, Biostatistics, Intensive Care and Pain Medicine, University of Turku and Turku University Hospital, Turku, FinlandDepartment of Clinical Pharmacology, University of Helsinki, Helsinki, Finland; Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, FinlandDepartment of Peri-operative Services, University of Turku and Turku University Hospital, Turku, Finland; Department of Psychology and Speech-Language Pathology, and Turku Brain and Mind Center, University of Turku, Turku, Finland; Department of Cognitive Neuroscience and Philosophy, School of Bioscience, University of Skövde, Skövde, SwedenDepartment of Psychology and Speech-Language Pathology, and Turku Brain and Mind Center, University of Turku, Turku, Finland; Department of Cognitive Neuroscience and Philosophy, School of Bioscience, University of Skövde, Skövde, SwedenDepartment of Clinical Pharmacology, HUS Diagnostic Center, Helsinki University Hospital, Helsinki, Finland; Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Finnish Institute for Health and Welfare, Helsinki, FinlandDepartment of Clinical Pharmacology, University of Helsinki, Helsinki, Finland; Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Clinical Pharmacology, HUS Diagnostic Center, Helsinki University Hospital, Helsinki, FinlandTurku PET Centre, University of Turku and Turku University Hospital, Turku, Finland; Department of Peri-operative Services, University of Turku and Turku University Hospital, Turku, Finland; Integrative Physiology and Pharmacology, Institute of Biomedicine, University of Turku, Turku, FinlandDepartment of Peri-operative Services, University of Turku and Turku University Hospital, Turku, FinlandBackground: This exploratory study aimed to investigate whether dexmedetomidine, propofol, sevoflurane, and S-ketamine affect oxylipins and bile acids, which are functionally diverse molecules with possible connections to cellular bioenergetics, immune modulation, and organ protection. Methods: In this randomised, open-label, controlled, parallel group, Phase IV clinical drug trial, healthy male subjects (n=160) received equipotent doses (EC50 for verbal command) of dexmedetomidine (1.5 ng ml−1; n=40), propofol (1.7 μg ml−1; n=40), sevoflurane (0.9% end-tidal; n=40), S-ketamine (0.75 μg ml−1; n=20), or placebo (n=20). Blood samples for tandem mass spectrometry were obtained at baseline, after study drug administration at 60 and 130 min from baseline; 40 metabolites were analysed. Results: Statistically significant changes vs placebo were observed in 62.5%, 12.5%, 5.0%, and 2.5% of analytes in dexmedetomidine, propofol, sevoflurane, and S-ketamine groups, respectively. Data are presented as standard deviation score, 95% confidence interval, and P-value. Dexmedetomidine induced wide-ranging decreases in oxylipins and bile acids. Amongst others, 9,10-dihydroxyoctadecenoic acid (DiHOME) –1.19 (–1.6; –0.78), P<0.001 and 12,13-DiHOME –1.22 (–1.66; –0.77), P<0.001 were affected. Propofol elevated 9,10-DiHOME 2.29 (1.62; 2.96), P<0.001 and 12,13-DiHOME 2.13 (1.42; 2.84), P<0.001. Analytes were mostly unaffected by S-ketamine. Sevoflurane decreased tauroursodeoxycholic acid (TUDCA) –2.7 (–3.84; –1.55), P=0.015. Conclusions: Dexmedetomidine-induced oxylipin alterations may be connected to pathways associated with organ protection. In contrast to dexmedetomidine, propofol emulsion elevated DiHOMEs, oxylipins associated with acute respiratory distress syndrome, and mitochondrial dysfunction in high concentrations. Further research is needed to establish the behaviour of DIHOMEs during prolonged propofol/dexmedetomidine infusions and to verify the sevoflurane-induced reduction in TUDCA, a suggested neuroprotective agent. Clinical trial registration: NCT02624401.http://www.sciencedirect.com/science/article/pii/S2772609622001137bile acidsdexmedetomidinelipidomicsoxylipinspropofolsevoflurane
spellingShingle Aleksi Nummela
Lauri Laaksonen
Annalotta Scheinin
Kaike Kaisti
Tero Vahlberg
Mikko Neuvonen
Katja Valli
Antti Revonsuo
Markus Perola
Mikko Niemi
Harry Scheinin
Timo Laitio
Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
BJA Open
bile acids
dexmedetomidine
lipidomics
oxylipins
propofol
sevoflurane
title Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
title_full Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
title_fullStr Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
title_full_unstemmed Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
title_short Circulating oxylipin and bile acid profiles of dexmedetomidine, propofol, sevoflurane, and S-ketamine: a randomised controlled trial using tandem mass spectrometry
title_sort circulating oxylipin and bile acid profiles of dexmedetomidine propofol sevoflurane and s ketamine a randomised controlled trial using tandem mass spectrometry
topic bile acids
dexmedetomidine
lipidomics
oxylipins
propofol
sevoflurane
url http://www.sciencedirect.com/science/article/pii/S2772609622001137
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