Codeine Pharmacogenetics Ppt – 320374

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    Codeine Pharmacogenetics Ppt

    Pharmacogenetics and pharmacogenomics Vincent Bours – BeSHG . Study the interactions between drugs and the genome. Global approach / drug discovery / genomic markers. Pharmacogenetics. Genetic factors Nursing mothers with a genetic predisposition for rapidly metabolizing codeine in pain medication can seriously overdose their babies with morphine. Pharmacogenomics : A Case Study. Courtesy of Michelle Whirl-Carillo. Doug Brutlag 2011. Thiopurine S-methyl Transferase Activity and Personalized Dosage. Eichelbaum et al. , Annu. Rev. Med. 2006. 57:119-137. Doug Brutlag 2011. Second Example: Codeine and. Cytochrome P450 CYP2D6. Codeine is a commonly used nbsp; Pharmacogenetic testing: current evidence of clinical utility tests and discuss the barriers and facilitators to uptake: (1) warfarin (drug safety and efficacy); (2) clopidogrel (drug efficacy); (3) codeine (drug safety and efficacy); and (4) abacavir (drug safety). Future efforts should be directed toward addressing these issues and nbsp; Pharmacogenetics for Safe Codeine Use in Sickle Cell Disease , several pediatric hospitals have removed it from their formularies. These deaths were attributed to atypical cytochrome P450 2D6 (CYP2D6) pharmacogenetics, which is also implicated in poor analgesic response. Because codeine is often prescribed to nbsp; Clinical Implementation of Pharmacogenetics – St. Jude Children 39;s . 12 of the population should not take codeine based on CYP2D6. Intermediate Metabolizer-low or no activity. Poor Metabolizer-lower activity. 2 . Ultra-rapid Metabolizer-very high activity. Extensive Metabolizer-normal activity nbsp; (SJS) Adverse Drug Reaction 2006. full-term healthy male infant; day 7 pp: intermittent periods of difficulty in breastfeeding; day 11: the baby had regained his birthweight; day 12: grey skin, milk intake had fallen; day 13: the baby was found dead. autopsy: no abnormality; blood concentration of morphine (metabolite of codeine):. Pharmacogenetics – Wikipedia (which is activated by the enzyme). The first study using Genome-wide association studies (GWAS) linked age-related macular nbsp; Pharmacogenetics of CYP- mediated drug – ARUP. . ARUP Laboratories List examples of CYPs and drugs with pharmacogenetic associations, and how . Codeine dose. Time 1. Time 2. Poor metabolizer. Normal metabolizer. Ultra-rapid metabolizer. 17. C oncentration of m orphine. Higher than expected morphine nbsp; Pharmacogenomics – McMaster University 39;s Faculty of Health tests. Gene. Drug. Consequence. TPMT. 6MP. Toxicity. CYP2D6. Tamoxifen. Decreased efficacy. UGT1A1. Irinotecan. Toxicity. CYP2D6. Codeine. Ineffective analgesia. These genes all modulate Pharmokinetics. Contribution of High Penetrance Monogenic Model to PG. Contribution likely nbsp; Pharmacogenetics of Opioids – Semantic Scholar and other weak opioids to more potent metabolites with poor.

    Assessment of pharmacogenetic tests: presenting measures of

    Assessment of pharmacogenetic tests: presenting measures of clinical validity and potential population impact in association studies . Download PowerPoint slide . . Clinical Perspective on the Clinical Pharmacogenetics Implementation Consortium Updated 2014 Guidelines for CYP2D6 and Codeine . Therapeutic Drug Monitoring and Pharmacogenetics – American . Identify commonly . Drug. Sample Prep. IS. Column Detection Run. AMR. MPA 1. PPT 100ul S. MPAC. C18. ESI-QQQ 4. 0. 1-50 ug/mL. MPA 2. PPT 100ul P. Indomethacine. C18 . Pharmacogenetics of morphine poisoning in a breastfed neonate of a codeine– prescribed nbsp; Pharmacogenomics and adverse drug reactions in children – Frontiers use by mothers and children. It is likely that the use of pharmacogenomics to enhance drug safety will first be realized among selected groups of children with high rates of drug use such as children nbsp; Pharmacogenetics of analgesic drugsBritish Journal of Pain A small but significant proportion of codeine (10 ) is metabolised to morphine by CYP2D6. In response to codeine treatment, poor metabolisers experience little analgesia and ultra-rapid metabolisers have a higher incidence of side effects. In addition, there have been cases reported of fatal neonatal nbsp; Integration of Pharmacogenetics into Clinical – Cleveland Clinic nbsp; Pharmacogenomics steps toward personalized medicine – FDA ), PMs have a reduced efficacy or treatment failure, whereas UMs have significantly increased efficacy, and even toxic- ity. For many drugs that have a broad therapeu- tic window, individuals carrying a gene variant or variants may exhibit impaired drug metabo- lism and disposition, but these may be of nbsp; FDA Drug Safety Communication: FDA restricts use of prescription FDA restricts use of prescription codeine pain and cough medicines and tramadol pain use of codeine and tramadol medicines in breastfeeding mothers due to possible harm to their infants. As a result, we are . . Pharmacogenetics of morphine poisoning in a breastfed neonate of a codeine-prescribed nbsp; Pharmacogenomics of Pain Management – Springer of Pain Management. As far as other CYP2D6 substrates with active analgesic metabolites are concerned (see Fig. 2. 3), the evidence for variation in its analgesic with altered CYP2D6 function is less evident when compared with codeine or tramadol. These examples are either negative, such as for nbsp; Pharmacogenetics and anaesthesia: the value of genetic profiling Codeine is a pro-drug, and requires O-demethylation catalysed by CYP2D6 to be converted into morphine and become analgesic; this metabolic pathway accounts for 10 of codeine clearance. The conversion of codeine into norcodeine by CYP3A4 and into codeine-6-glucuronide by glucuronidation nbsp; Pharmacogenetics of Anesthetic and Analgesic Agents of commonly used anesthetic and analgesic agents (table 1). . . CYP2D6 is involved in the processing of approximately 25 of all currently administered drugs, including the conversion of codeine into its active metabolite morphine, the mechanism of nbsp; Pharmacogenomics: marshalling the human genome to – Gut ). Moreover, gene duplication of CYP2D6 leads to inheritance of an nbsp;

    Pharmacogenetic Determinants of Codeine Induction by Rifampin

    Our objective was to examine the effect of rifampin on codeine 39;s pharmacodynamics and pharmacokinetics in extensive (EMs) and poor (PMs) metabolizers of debrisoquin. Fifteen healthy, nonsmoking males, 9 EMs and 6 PMs of debrisoquin, received codeine (120 mg) before and after rifampin (600 mg/d) nbsp; Pharmacogenetics of cytochrome P450 and its – Pharmacogenetics of cytochrome P450 and its application and value in drug therapy the past, present Codeine. Debrisoquine. Diazepam. Citalopram. Anti ulcer drugs. Clozapine. Ropivacaine. Cyclosporin. Taxol. Tamoxifen. Tacrolimus. Amprenavir. Amiodarone. Cerivastatin. Erythromycin. Methadone. CYP2D6 copy number distribution in the US population , tricyclic antidepressants, and selective serotonin reuptake inhibitors making it arguably one of the most valuable pharmacogenetic tools in guiding meaningful drug selection. Although many CYP2D6 variants have nbsp; Clinical Implementation of Psychiatric Pharmacogenomics ? Would you give this patient Celexa, Lexapro, or Luvox? Would you give this patient nbsp; Codeine phosphate in paediatric medicine – British Journal of Slide. In 1948, Sanfilippo first suggested that the analgesic effect of codeine was because of the proportion of the drug metabolized to morphine and this has lead to the belief that codeine is a prodrug, with morphine as its principal active metabolite and having little or no intrinsic nbsp; Dr Richard Fitzgerald – AHPPI . Codeine phosphate. Drug metabolising enzymes. Pharmacogenetics – SlideShare Pharmacogenetics presentation. 7, 8 Proguanil, Imipramine, Ritonavir, nelfinavir, cyclophosphamide CYP2D6 1 1XN, 2XN, 3, 4, 5, 6 9, 10, 17 Clonidine, codeine, promethazine, propranolol, clozapine, fluoxetine, haloperidol, amitriptyline Red: Absent; Blue: Reduced; Green: Increased activity; 21. Overview of pharmacogenomics – UpToDate National Institute of Health Pharmacogenetics Research Network 39;s PharmGKB: The Pharmacogenetics and the Pharmacogenomics Knowledge Base. . Clinical Pharmacogenetics Implementation Consortium guidelines for cytochrome P450 2D6 genotype and codeine therapy: 2014 update. Pharmacogenetics: the science of predictive – University of Malta : the science of predictive clinical pharmacology. Anthony G. Fenech 1 and Keywords Pharmacogenetics – targeted therapy – pre- . codeine. CYP2D6 ultrarapid metabolizers may show opioid toxic- ity due to extensive metabolism of codeine to morphine. (Kirchheiner et al. , . 2007). CYP2D6 amitriptyline nbsp;

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