Document Detail


Effect of UGT2B7 -900G>A (-842G>A; rs7438135) on morphine glucuronidation in preterm newborns: results from a pilot cohort.
MedLine Citation:
PMID:  25340733     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
AIM: Assess association between UGT2B7 polymorphism -900G>A (rs7438135, also known as -842G>A) with morphine kinetics in preterm newborns undergoing mechanical ventilation.
MATERIALS & METHODS: Thirty-four infants were enrolled in a randomized clinical trial and allocated to rapid sequence intubation with remifentanil (1 µg/kg) or morphine (0.3 mg/kg). The latter group was included in our study.
RESULTS: Morphine plasma concentrations at 20 min post intubation were associated with postnatal age (p = 0.017) and UGT2B7 -900G>A (p = 0.036). UGT2B7 -900A allele carriers (n = 13) had lower morphine levels compared with UGT2B7 -900G/G patients (n = 2). Morphine-3-glucuronide and morphine-6-glucuronide plasma concentrations were only found to be associated with gestational and postnatal age. However, -900A allele carriers had a higher morphine-3-glucuronide:morphine metabolic ratio compared with patients genotyped as -900G/G (p = 0.005), as determined by linear regression.
CONCLUSION: Our small pilot study illustrates that in addition to gestational and postnatal age, the UGT2B7 -900G>A polymorphism significantly alters morphine pharmacokinetics in preterm infants. Original submitted 8 April 2014; Revision submitted 22 July 2014.
Authors:
Maja Matic; Elisabeth Norman; Anders Rane; Olof Beck; Maria Andersson; Laure Elens; Dick Tibboel; Vineta Fellman; Ron Hn van Schaik
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pharmacogenomics     Volume:  15     ISSN:  1744-8042     ISO Abbreviation:  Pharmacogenomics     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100897350     Medline TA:  Pharmacogenomics     Country:  England    
Other Details:
Languages:  eng     Pagination:  1589-97     Citation Subset:  IM    
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