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Genetic Predisposit...
Genetic Predisposition to Poor Opioid Response in Preterm Infants : Impact of KCNJ6 and COMT Polymorphisms on Pain Relief after Endotracheal Intubation
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- Elens, Laure (author)
- Catholic University of Louvain,Erasmus University Medical Center
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- Norman, Elisabeth (author)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Matic, Maja (author)
- Erasmus University Medical Center
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- Rane, Anders (author)
- Karolinska Institutet
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- Fellman, Vineta (author)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Helsinki University Central Hospital,University of Helsinki
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- Van Schaik, Ron H N (author)
- Erasmus University Medical Center
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(creator_code:org_t)
- 2016
- 2016
- English 9 s.
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In: Therapeutic Drug Monitoring. - 0163-4356 .- 1536-3694. ; 38:4, s. 525-533
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Background: Single-nucleotide polymorphisms in genes involved in pain control might predispose to exaggerated sensitivity or difference in opioid analgesic effect. The relevance of the KCNJ6 -1250G>A (rs6517442, c.-1787G>A) and the catecholamine-O-methyltransferase (COMT) c.472G>A (rs4680, Val 158 Met) single-nucleotide polymorphisms were studied in preterm infants needing intubation and randomized to a premedication strategy including remifentanil (n 17) or morphine (n 17). Methods: Pain was scored with Astrid Lindgren and Lund Children's Hospital Pain Assessment Scale every 30 minutes for 6 hours. The pain relief provided by the opioids was compared between the different KCNJ6 and COMT genotypes. Results: Infants homozygous for the KCNJ6 -1250A allele had an increased duration after intubation to achieve a score indicating no pain compared with infants with the A/G or G/G genotypes (182 ± 30, 109 ± 29, and 60 ± 21 minutes, respectively; Logrank 7.5, P 0.006). Similarly, the duration was increased in individuals with the COMT Val/Val alleles compared with Val/Met and Met/Met (285 ± 37, 137 ± 25, and 63 ± 15 minutes, respectively; Logrank 14.4, P 0.0021). Cox proportional hazards analysis confirmed that the variation in both genes was independently associated with susceptibility to respond to therapy. Conclusion: We conclude that the KCNJ6 -1250A and COMT 158 Val alleles are predisposing preterm newborns to diminished opioid-induced pain relief.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Keyword
- catechol-O-methyl transferase
- opioids
- pain
- pharmacogenetics
- potassium inwardly rectifying channel subfamily J member 6
Publication and Content Type
- art (subject category)
- ref (subject category)
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