國家衛生研究院 NHRI:Item 3990099045/7602
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/7602


    Title: Pharmacogenomics study in a Taiwanese methadone maintenance cohort
    Authors: Wang, SC;Tsou, HH;Ho, IK;Lin, KM;Liu, YL
    Contributors: Center for Neuropsychiatric Research;Division of Biostatistics and Bioinformatics
    Abstract: Pharmacogenomics is the study of drug treatment responses in subgroups of patients on the basis of their genetic variants or genetic expression information. In 2006, the government of Taiwan launched a methadone maintenance treatment program, which is usually prescribed for patients with heroin dependence. In this study, 366 patients who had taken methadone continually in the previous 7 days were examined. Data from the Treatment Outcomes Profile (TOP), Severity of Dependence Scale (SDS), Clinical Opioid Withdrawal Scale (COWS), and Treatment Emergent Symptoms Scale (TESS) were obtained from the patients' report records. The genes CYP2B6, CYP3A4, and CYP2C19—which encode the liver cytochrome P-450 (CYP) enzymes that are involved in the metabolism of methadone—were selected and genotyped in this cohort. We found that single nucleotide polymorphisms (SNPs) on the CYP2B6 gene were associated with the plasma S-methadone concentration. The SNPs on the CYP3A4 gene were associated with withdrawal symptoms and side effects. The SNPs on the CYP2C19 gene were associated with the methadone dose. The SNPs in the genes (e.g., UGT2B7) encoding the morphine phase II metabolic enzyme were associated with the withdrawal symptom scores. In pharmacodynamic genes, the SNPs on the OPRM1 gene were associated with the side effects of insomnia and change in libido. We conclude that SNP markers may be useful in the future for adjusting methadone dosage and for reducing adverse reactions.
    Date: 2013-12
    Relation: Journal of Food and Drug Analysis. 2013 Dec;21(4 Suppl.):S62-S68.
    Link to: http://dx.doi.org/10.1016/j.jfda.2013.09.036
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1021-9498&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000329422800020
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84897028730
    Appears in Collections:[Yu-Li Liu] Periodical Articles
    [Keh-Ming Lin(2004-2009)] Periodical Articles
    [Ing-Kang Ho(2006-2011)] Periodical Articles
    [Sheng-Chang Wang] Periodical Articles
    [Hsiao-Hui Sophie Tsou] Periodical Articles

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