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Twycross R, Ross J, Kotlinska-Lemieszek A, Charlesworth S, Mihalyo M, Wilcock A. Variability in response to drugs. J Pain Symptom Manage 2015; 49:293-306. [PMID: 25448823 DOI: 10.1016/j.jpainsymman.2014.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 09/22/2014] [Indexed: 01/11/2023]
Affiliation(s)
- Robert Twycross
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom
| | - Joy Ross
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom
| | - Aleksandra Kotlinska-Lemieszek
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom
| | - Sarah Charlesworth
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom
| | - Mary Mihalyo
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom
| | - Andrew Wilcock
- Oxford University (R.T.), Oxford, United Kingdom; Royal Marsden (J.R.), London, United Kingdom; Karol Marcinkowski University of Medical Sciences and Hospice Palium, University Hospital of the Lord's Transfiguration (A.K.-L.), Poznan, Poland; Nottingham University Hospitals (S.C.), Nottingham, United Kingdom; Mylan School of Pharmacy, Duquesne University (M.M.), Pittsburgh, Pennsylvania, USA; and University of Nottingham (A.W.), Nottingham, United Kingdom.
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Sugino S, Janicki PK. Pharmacogenetics of chemotherapy-induced nausea and vomiting. Pharmacogenomics 2015; 16:149-60. [DOI: 10.2217/pgs.14.168] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Chemotherapy-induced nausea and vomiting (CINV) is associated with distressing adverse effects observed in patients during cytotoxic chemotherapy. One of the potential factors explaining suboptimal response to currently used antiemetics is variability in genes encoding enzymes and proteins that play a role in the action of antiemetic drugs. Pharmacogenomics studies of CINV are sparse and focus mainly on polymorphisms associated with serotonin receptor, drug metabolism and drug transport. Currently, the role of pharmacogenetics in mechanisms of CINV has not been fully unraveled, and it is premature to implement results of pharmacogenetic association studies of antiemetic drugs in clinical practice. More uniform studies, with genetic profiles and biomarkers relevant for the proposed target and transporter mechanisms, are needed.
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Affiliation(s)
- Shigekazu Sugino
- Department of Anesthesiology, Laboratory of Perioperative Genomics, Penn State Hershey Medical Center, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Piotr K Janicki
- Department of Anesthesiology, Laboratory of Perioperative Genomics, Penn State Hershey Medical Center, Penn State College of Medicine, Hershey, PA 17033, USA
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Wesmiller SW, Bender CM, Sereika SM, Ahrendt G, Bonaventura M, Bovbjerg DH, Conley Y. Association between serotonin transport polymorphisms and postdischarge nausea and vomiting in women following breast cancer surgery. Oncol Nurs Forum 2014; 41:195-202. [PMID: 24578078 DOI: 10.1188/14.onf.195-202] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE/OBJECTIVES To examine the association of the serotonin transport gene and postdischarge nausea and vomiting (PDNV) in women following breast cancer surgery. DESIGN A cross-sectional study. SETTING A comprehensive cancer center in Pittsburgh, PA. SAMPLE 80 post-menopausal women treated surgically for early-stage breast cancer. METHODS Data were collected using standardized instruments after surgery but before the initiation of chemotherapy. Blood or saliva were used for DNA extraction and analyzed following standardized protocols. Data were analyzed using descriptive statistics and logistic regression. MAIN RESEARCH VARIABLES Serotonin transport gene (SLC6A4), nausea, vomiting, pain, and anxiety. FINDINGS Women who inherited the LA/LA genotypes were at greater risk for nausea and vomiting when compared to women who carried any other combination of genotypes. Twenty-one percent of women reported nausea and vomiting an average of one month following surgery and prior to initiation of adjuvant therapy. Those women who experienced PDNV reported significantly higher anxiety and pain scores. CONCLUSIONS Findings of this study suggest that variability in the genotypes of the serotonin transport gene may help to explain the variability in PDNV in women following breast cancer surgery and why 20%-30% of patients do not respond to antiemetic medications. IMPLICATIONS FOR NURSING Nurses need to be aware that women who do not experience postoperative nausea and vomiting following surgery for breast cancer continue to be at risk for PDNV long after they have been discharged from the hospital, and this frequently is accompanied by pain and anxiety.
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Affiliation(s)
| | - Catherine M Bender
- School of Nursing and the Department of Clinical Translational Science, University of Pittsburgh in Pennsylvania
| | - Susan M Sereika
- Department of Clinical Translational Science, and the Graduate School of Public Health, University of Pittsburgh in Pennsylvania
| | | | | | - Dana H Bovbjerg
- Pittsburgh Cancer Institute, University of Pittsburgh in Pennsylvania
| | - Yvette Conley
- Department of Human Genetics, University of Pittsburgh in Pennsylvania
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Joy Lin YM, Hsu CD, Hsieh HY, Tseng CCA, Sun HS. Sequence variants of the HTR3A gene contribute to the genetic prediction of postoperative nausea in Taiwan. J Hum Genet 2014; 59:655-60. [DOI: 10.1038/jhg.2014.89] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 08/27/2014] [Accepted: 09/11/2014] [Indexed: 11/09/2022]
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Yang J, Li MD. Association and interaction analyses of 5-HT3 receptor and serotonin transporter genes with alcohol, cocaine, and nicotine dependence using the SAGE data. Hum Genet 2014; 133:905-18. [PMID: 24590108 PMCID: PMC4055533 DOI: 10.1007/s00439-014-1431-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Accepted: 02/16/2014] [Indexed: 12/29/2022]
Abstract
Previous studies have implicated genes encoding the 5-HT3AB receptors (HTR3A and HTR3B) and the serotonin transporter (SLC6A4), both independently and interactively, in alcohol (AD), cocaine (CD), and nicotine dependence (ND). However, whether these genetic effects also exist in subjects with comorbidities remains largely unknown. We used 1,136 African-American (AA) and 2,428 European-American (EA) subjects from the Study of Addiction: Genetics and Environment (SAGE) to determine associations between 88 genotyped or imputed variants within HTR3A, HTR3B, and SLC6A4 and three types of addictions, which were measured by DSM-IV diagnoses of AD, CD, and ND and the Fagerström Test for Nicotine Dependence (FTND), an independent measure of ND commonly used in tobacco research. Individual SNP-based association analysis revealed a significant association of rs2066713 in SLC6A4 with FTND in AA (β = -1.39; P = 1.6E - 04). Haplotype-based association analysis found one major haplotype formed by SNPs rs3891484 and rs3758987 in HTR3B that was significantly associated with AD in the AA sample, and another major haplotype T-T-G, formed by SNPs rs7118530, rs12221649, and rs2085421 in HTR3A, which showed significant association with FTND in the EA sample. Considering the biologic roles of the three genes and their functional relations, we used the GPU-based Generalized Multifactor Dimensionality Reduction (GMDR-GPU) program to test SNP-by-SNP interactions within the three genes and discovered two- to five-variant models that have significant impacts on AD, CD, ND, or FTND. Interestingly, most of the SNPs included in the genetic interaction model(s) for each addictive phenotype are either overlapped or in high linkage disequilibrium for both AA and EA samples, suggesting these detected variants in HTR3A, HTR3B, and SLC6A4 are interactively contributing to etiology of the three addictive phenotypes examined in this study.
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Affiliation(s)
- Jiekun Yang
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, 450 Ray C. Hunt Drive, Charlottesville, VA, 22903, USA
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Association of μ-opioid receptor gene (OPRM1) haplotypes with postoperative nausea and vomiting. Exp Brain Res 2014; 232:2627-35. [DOI: 10.1007/s00221-014-3987-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 05/06/2014] [Indexed: 12/31/2022]
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Genetic factors associated with pharmacotherapy and background sensitivity to postoperative and chemotherapy-induced nausea and vomiting. Exp Brain Res 2014; 232:2613-25. [PMID: 24792505 DOI: 10.1007/s00221-014-3968-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 04/03/2014] [Indexed: 12/12/2022]
Abstract
Postoperative nausea and vomiting (PONV) continues to be a most common complication of surgery and anesthesia. It has been suggested that the inherited factors may play a significant role in the background sensitivity to both PONV and also chemotherapy-induced nausea and vomiting (CINV), including resistance to antiemetic prophylaxis and/or therapy. This notion could be best exemplified by occurrence of PONV in several generations of families and concordance of PONV in monozygotic twins. The most frequently addressed issue in the research on genomic background of PONV/CINV relates to the inherited resistance to the antiemetic treatment (pharmacogenomics), and in lesser degree to their genomic background. The most common group of antiemetics consists of 5HT3 receptor antagonists, and this group was an initial target of pharmacogenomic research. Most research approaches have been based on the investigation of polymorphic variations in the target for the antiemetic 5HT3 receptor antagonists, i.e., serotonin receptor subunits A and B (HTR3A and HTR3B). The other area of pharmacogenomic investigations includes metabolic pathways of 5HT3 antagonists, in particular polymorphic variants of the CYP450 2D6 isoform (CYP2D6) because most of them are metabolized in various degrees by the CYP2D6 system. The results of targeted genomic association studies indicate that other genes are also associated with PONV and CINV, including OPRM1, and ABCB1. In addition, genes such as DRD2 and CHRM3 genes have recently been associated with PONV. The new genome-wide association studies seem also to indicate that the background genomic sensitivity to PONV and CINV might be multifactorial and include several genomic pathways.
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Crist RC, Berrettini WH. Pharmacogenetics of OPRM1. Pharmacol Biochem Behav 2013; 123:25-33. [PMID: 24201053 DOI: 10.1016/j.pbb.2013.10.018] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 09/19/2013] [Accepted: 10/23/2013] [Indexed: 12/23/2022]
Abstract
Pharmacogenetic research has the potential to explain the variation in treatment efficacy within patient populations. Understanding the interaction between genetic variation and medications may provide a method for matching patients to the most effective therapeutic options and improving overall patient outcomes. The OPRM1 gene has been a target of interest in a large number of pharmacogenetic studies due to its genetic and structural variation, as well as the role of opioid receptors in a variety of disorders. The mu-opioid receptor (MOR), encoded by OPRM1, naturally regulates the analgesic response to pain and also controls the rewarding effects of many drugs of abuse, including opioids, nicotine, and alcohol. Genetic variants in OPRM1, particularly the non-synonymous polymorphism A118G, have been repeatedly associated with the efficacy of treatments for pain and various types of dependence. This review focuses on the current understanding of the pharmacogenetic impact of OPRM1, primarily with regard to the treatment of pain and addiction.
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Affiliation(s)
- Richard C Crist
- Center for Neurobiology and Behavior, Department of Psychiatry, University of Pennsylvania School of Medicine, 125 South 31st St., Philadelphia, PA 19104, United States.
| | - Wade H Berrettini
- Center for Neurobiology and Behavior, Department of Psychiatry, University of Pennsylvania School of Medicine, 125 South 31st St., Philadelphia, PA 19104, United States
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Horn CC, Wallisch WJ, Homanics GE, Williams JP. Pathophysiological and neurochemical mechanisms of postoperative nausea and vomiting. Eur J Pharmacol 2013; 722:55-66. [PMID: 24495419 DOI: 10.1016/j.ejphar.2013.10.037] [Citation(s) in RCA: 144] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 10/07/2013] [Accepted: 10/08/2013] [Indexed: 12/13/2022]
Abstract
Clinical research shows that postoperative nausea and vomiting (PONV) is caused primarily by the use of inhalational anesthesia and opioid analgesics. PONV is also increased by several risk predictors, including a young age, female sex, lack of smoking, and a history of motion sickness. Genetic studies are beginning to shed light on the variability in patient experiences of PONV by assessing polymorphisms of gene targets known to play roles in emesis (serotonin type 3, 5-HT3; opioid; muscarinic; and dopamine type 2, D2, receptors) and the metabolism of antiemetic drugs (e.g., ondansetron). Significant numbers of clinical trials have produced valuable information on pharmacological targets important for controlling PONV (e.g., 5-HT3 and D2), leading to the current multi-modal approach to inhibit multiple sites in this complex neural system. Despite these significant advances, there is still a lack of fundamental knowledge of the mechanisms that drive the hindbrain central pattern generator (emesis) and forebrain pathways (nausea) that produce PONV, particularly the responses to inhalational anesthesia. This gap in knowledge has limited the development of novel effective therapies of PONV. The current review presents the state of knowledge on the biological mechanisms responsible for PONV, summarizing both preclinical and clinical evidence. Finally, potential ways to advance the research of PONV and more recent developments on the study of postdischarge nausea and vomiting (PDNV) are discussed.
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Affiliation(s)
- Charles C Horn
- Biobehavioral Medicine in Oncology Program, University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA; Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Anesthesiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA.
| | - William J Wallisch
- Department of Anesthesiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Gregg E Homanics
- Department of Anesthesiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, PA, USA; Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA
| | - John P Williams
- Department of Anesthesiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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Smith HS, Laufer A. Opioid induced nausea and vomiting. Eur J Pharmacol 2013; 722:67-78. [PMID: 24157979 DOI: 10.1016/j.ejphar.2013.09.074] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 09/30/2013] [Accepted: 09/30/2013] [Indexed: 02/06/2023]
Abstract
Opioids are broad spectrum analgesics that are an integral part of the therapeutic armamentarium to combat pain in the palliative care population. Unfortunately, among the adverse effects of opioids that may be experienced along with analgesia is nausea, vomiting, and/or retching. Although it is conceivable that in the future, using combination agents (opioids combined with agents which may nullify emetic effects), currently nausea/vomiting remains a significant issue for certain patients. However, there exists potential current strategies that may be useful in efforts to diminish the frequency and/or intensity of opioid-induced nausea/vomiting (OINV).
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Affiliation(s)
- Howard S Smith
- Albany Medical College, Department of Anesthesiology, 47 New Scotland Avenue, MC-131, Albany, NY 12208, USA.
| | - Andras Laufer
- Albany Medical College, Department of Anesthesiology, 47 New Scotland Avenue, MC-131, Albany, NY 12208, USA.
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Polymorphisms and genetic linkage of histamine receptors. Life Sci 2013; 93:487-94. [DOI: 10.1016/j.lfs.2013.08.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 08/14/2013] [Accepted: 08/16/2013] [Indexed: 12/22/2022]
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Droney JM, Gretton SK, Sato H, Ross JR, Branford R, Welsh KI, Cookson W, Riley J. Analgesia and central side-effects: two separate dimensions of morphine response. Br J Clin Pharmacol 2013; 75:1340-50. [PMID: 23072578 DOI: 10.1111/bcp.12008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2012] [Accepted: 10/09/2012] [Indexed: 11/29/2022] Open
Abstract
AIMS To present a statistical model for defining interindividual variation in response to morphine and to use this model in a preliminary hypothesis-generating multivariate genetic association study. METHODS Two hundred and sixty-four cancer patients taking oral morphine were included in a prospective observational study. Pain and morphine side-effect scores were examined using principal components analysis. The resulting principal components were used in an exploratory genetic association study of single nucleotide polymorphisms across the genes coding for the three opioid receptors, OPRM1, OPRK1 and OPRD1. Associations in multivariate models, including potential clinical confounders, were explored. RESULTS Two principal components corresponding to residual pain and central side-effects were identified. These components accounted for 42 and 18% of the variability in morphine response, respectively, were independent of each other and only mildly correlated. The genetic and clinical factors associated with these components were markedly different. Multivariate regression modelling, including clinical and genetic factors, accounted for only 12% of variability in residual pain on morphine and 3% of variability in central side-effects. CONCLUSIONS Although replication is required, this data-driven analysis suggests that pain and central side-effects on morphine may be two separate dimensions of morphine response. Larger study samples are necessary to investigate potential genetic and clinical associations comprehensively.
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Drewes AM, Jensen RD, Nielsen LM, Droney J, Christrup LL, Arendt-Nielsen L, Riley J, Dahan A. Differences between opioids: pharmacological, experimental, clinical and economical perspectives. Br J Clin Pharmacol 2013; 75:60-78. [PMID: 22554450 DOI: 10.1111/j.1365-2125.2012.04317.x] [Citation(s) in RCA: 123] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Clinical studies comparing the response and side effects of various opioids have not been able to show robust differences between drugs. Hence, recommendations of the regulatory authorities have been driven by costs with a general tendency in many countries to restrict physician's use of opioids to morphine. Although this approach is recognized as cost-effective in most cases there is solid evidence that, on an individual patient basis, opioids are not all equal. Therefore it is important to have an armamentarium of strong analgesics in clinical practice to ensure a personalized approach in patients who do not respond to standard treatment. In this review we highlight differences between opioids in human studies from a pharmacological, experimental, clinical and health economics point of view. We provide evidence that individuals respond differently to opioids, and that general differences between classes of opioids exist. We recommend that this recognition is used to individualize treatment in difficult cases allowing physicians to have a wide range of treatment options. In the end this will reduce pain and side effects, leading to improved quality of life for the patient and reduce the exploding pain related costs.
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Affiliation(s)
- Asbjørn M Drewes
- Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark.
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Abstract
BACKGROUND The clinical utility of opioids is limited by adverse drug effects including respiratory depression, sedation, nausea, and pruritus. In addition, abuse of prescription opioids is problematic. Gaining a better understanding of the genetic and environmental mechanisms contributing to an individual's susceptibility to adverse opioid effects is essential to identify patients at risk. METHODS A classic twin study paradigm provided estimates for the genetic and familial (genetic and/or shared environment) contribution to acute adverse and affective opioid responses, all secondary outcomes of a larger dataset. One hundred twenty-one twin pairs were recruited in a single occasion, randomized, double-blind, and placebo-controlled study. The μ-opioid receptor agonist alfentanil and saline placebo were administered as target-controlled infusions under carefully monitored laboratory conditions. Measured outcomes included respiratory depression, sedation, nausea, pruritus, drug liking, and drug disliking. Demographic information was collected, and aspects of mood and sleep were evaluated. RESULTS Significant heritability was detected for respiratory depression (30%), nausea (59%), and drug disliking (36%). Significant familial effects were detected for sedation (29%), pruritus (38%), dizziness (32%), and drug liking (26%). Significant covariates included age, sex, race, ethnicity, education, mood, and depression. Covariates affected sedation, pruritus, drug liking and disliking, and dizziness. CONCLUSIONS This study demonstrates that large-scale efforts to collect quantitative and well-defined opioid response data are not only feasible but also produce data that are suitable for genetic analysis. Genetic, environmental, and demographic factors work together to control adverse and reinforcing opioid responses, but contribute differently to specific responses.
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Pharmacogenetics of chronic pain and its treatment. Mediators Inflamm 2013; 2013:864319. [PMID: 23766564 PMCID: PMC3671679 DOI: 10.1155/2013/864319] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 04/12/2013] [Indexed: 12/20/2022] Open
Abstract
This paper reviews the impact of genetic variability of drug metabolizing enzymes, transporters, receptors, and pathways involved in chronic pain perception on the efficacy and safety of analgesics and other drugs used for chronic pain treatment. Several candidate genes have been identified in the literature, while there is usually only limited clinical evidence substantiating for the penetration of the testing for these candidate biomarkers into the clinical practice. Further, the pain-perception regulation and modulation are still not fully understood, and thus more complex knowledge of genetic and epigenetic background for analgesia will be needed prior to the clinical use of the candidate genetic biomarkers.
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Hajj A, Khabbaz L, Laplanche JL, Peoc’h K. Pharmacogenetics of opiates in clinical practice: the visible tip of the iceberg. Pharmacogenomics 2013; 14:575-85. [DOI: 10.2217/pgs.13.13] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Opioids are the cornerstone of analgesic therapy and are used as a substitution therapy for opiate addiction. Interindividual variability in response to opioids is a significant challenge in the management of pain and substitution. Therefore, treatment with opioids requires a careful individualization of dosage to achieve an appropriate balance of efficacy and adverse effects and, consequently, avoid toxicity, particularly respiratory depression, sedation and for some, cardiac ventricular fibrillations. Many studies have investigated the association between genetic factors and the variability of response to opioids. Variants in genes encoding proteins implied in opioid pharmacokinetics (absorption, distribution, metabolism, excretion and toxicity), together with those implied in opioids direct and indirect pharmacodynamics (genes of opioid receptors and monoaminergic systems), are the most studied. Many association studies have not been replicated. The purpose of this article is to summarize pharmacogenetic data associated with some opioids frequently encountered in managed care settings.
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Affiliation(s)
- Aline Hajj
- Laboratoire de Pharmacologie Clinique et Pharmacocinétique, Faculté de Pharmacie, Université Saint Joseph, Beyrouth, Liban, Lebanon
| | - Lydia Khabbaz
- Laboratoire de Pharmacologie Clinique et Pharmacocinétique, Faculté de Pharmacie, Université Saint Joseph, Beyrouth, Liban, Lebanon
| | - Jean-Louis Laplanche
- Service de Biochimie et de Biologie moléculaire, Hôpital Lariboisière, AP-HP, Paris, France
- INSERMU705/UMR8206 & Laboratoire de Biologie Cellulaire, Université Paris Descartes, 6 Avenue de l’Observatoire, 75006 Paris, France
| | - Katell Peoc’h
- INSERMU705/UMR8206 & Laboratoire de Biologie Cellulaire, Université Paris Descartes, 6 Avenue de l’Observatoire, 75006 Paris, France
- Service de Biochimie et de Biologie moléculaire, Hôpital Lariboisière, AP-HP, Paris, France.
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Pang GSY, Ithnin F, Wong YY, Wang JB, Lim Y, Sia ATH, Lee CGL. A non-synonymous single nucleotide polymorphism in an OPRM1 splice variant is associated with fentanyl-induced emesis in women undergoing minor gynaecological surgery. PLoS One 2012; 7:e48416. [PMID: 23144877 PMCID: PMC3492352 DOI: 10.1371/journal.pone.0048416] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Accepted: 09/25/2012] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Fentanyl-induced emesis (FIE) is a distressing adverse effect in the postoperative setting. The genetic basis of FIE remains largely unknown, therefore, we examined whether it was associated with specific genetic variants of OPRM1, the gene encoding the main receptor target of fentanyl. METHODS In this prospective case-control study, 193 women undergoing gynaecological surgery under a standardized anaesthetic with a low emetogenic risk were enrolled. Inclusion and exclusion criteria were designed to select extreme phenotypes as well as to ensure that most major confounders for FIE were either excluded or present in all patients. To control for unforeseen intra- and postoperative confounders for FIE, only 161 patients were further analysed, out of which 10 were categorized as having FIE, defined by the presence of at least one of three symptoms: nausea, vomiting or retching that was likely to be fentanyl-related. To identify SNPs relevant to FIE in our population, DNA from 40 controls and 10 cases was sequenced at the following OPRM1 regions: 3 kbp of the promoter, main and alternative exons as well as 2 kbp of the 3' downstream region. The genotype of the significant SNP was further determined in the remaining 111 controls. RESULTS The incidence of FIE was 6.2%. Initial sequencing of 10 cases and 40 controls identified 25 SNPs. Only rs540825, a non-synonymous SNP in the splice variant, MOR1X, showed a significant association with FIE post-Bonferroni correction. This SNP was further examined in the remaining 111 controls which confirmed its significant association with FIE (p = 0.019 post-Bonferroni, OR: 5.6, 95% CI: 1.42-21.91). CONCLUSIONS This is the first report of an association between the occurrence of FIE in Chinese women undergoing gynaecological surgery and an OPRM1 splice variant SNP, rs540825.
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Affiliation(s)
- Grace Su Yin Pang
- Liver Cancer Functional Genomics Laboratory, National Cancer Centre Singapore, Singapore, Singapore
- Department of Palliative Medicine, National Cancer Centre Singapore, Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Farida Ithnin
- Department of Obstetric Anaesthesia, KK Women's and Children's Hospital, Singapore, Singapore
| | - Yin Yee Wong
- Department of Palliative Medicine, National Cancer Centre Singapore, Singapore, Singapore
| | - Jing Bo Wang
- Liver Cancer Functional Genomics Laboratory, National Cancer Centre Singapore, Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yvonne Lim
- Department of Obstetric Anaesthesia, KK Women's and Children's Hospital, Singapore, Singapore
| | - Alex Tiong Heng Sia
- Department of Obstetric Anaesthesia, KK Women's and Children's Hospital, Singapore, Singapore
| | - Caroline Guat Lay Lee
- Liver Cancer Functional Genomics Laboratory, National Cancer Centre Singapore, Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- DUKE-NUS Graduate Medical School, Singapore, Singapore
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A systematic review of the association between immunogenomic markers and cancer-related fatigue. Brain Behav Immun 2012; 26:830-48. [PMID: 22595751 PMCID: PMC3398196 DOI: 10.1016/j.bbi.2012.05.004] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Revised: 04/24/2012] [Accepted: 05/08/2012] [Indexed: 01/04/2023] Open
Abstract
Fatigue, which is one of the most commonly reported symptoms in cancer, can negatively impact the functional status and the health-related quality of life of individuals. This paper systematically reviews 34 studies to determine patterns of associations between immunogenomic markers and levels of cancer-related fatigue (CRF). Findings from the longitudinal studies revealed that elevated fatigue symptoms especially of women with early stages of breast cancer were associated with high levels of neutrophil/monocyte, IL-1ra, and IL-6 during radiation therapy; high levels of CD4+, IL-1β, and IL-6 with stressing stimuli; high levels of IL-1β during chemotherapy; low NK cell levels after chemotherapy; and presence of homozygous IL-6 and TNF alleles. In the cross-sectional studies, associations between levels of fatigue and immune/inflammatory markers were not consistently found, especially when covariates such as BMI, ethnicity, menopausal status, and educational level were controlled in the statistical analyses. However, a number of genomic markers were observed to be elevated mostly in fatigued breast cancer survivors in the cross-sectional studies. Gaps in knowledge and recommendations for future research are discussed.
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Branford R, Droney J, Ross JR. Opioid genetics: the key to personalized pain control? Clin Genet 2012; 82:301-10. [PMID: 22780883 DOI: 10.1111/j.1399-0004.2012.01923.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Revised: 06/25/2012] [Accepted: 06/29/2012] [Indexed: 11/28/2022]
Abstract
There are now several strong opioids available to choose from for the relief of moderate to severe pain. On a population level, there is no difference in terms of analgesic efficacy or adverse reactions between these drugs; however, on an individual level there is marked variation in response to a given opioid. The genetic influences to this variation are complex, and although current research has shown some promising results, these have not been replicated across larger studies and as such the ultimate aim of personalized prescribing remains elusive. If personalized prescribing could be achieved this would have a major impact at an individual level to facilitate safe, effective and rapid symptom control. This review presents some of the recent positive advances in opioid pharmacogenetic studies, focusing on associations between candidate genes and the three main elements of opioid response: analgesic, upper gastrointestinal and central adverse reactions.
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Affiliation(s)
- R Branford
- Department of Medicine, Royal Marsden NHS Foundation Trust, London, UK
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Abstract
PURPOSE OF REVIEW On a population level, there is no difference in terms of efficacy or side-effects between any of the strong opioids. On an individual level, however, there is marked variation in response to opioids. This review presents some of the recent advances in opioid pharmacogenetic studies. RECENT FINDINGS A growing number of genes have been studied in a number of different patient populations. Most data have come from candidate-gene studies. There have been two genome-wide association studies in pain and opioid response. The clinical and genetic complexity of response to opioids has limited the clinical applicability of the genetic results. Currently, interindividual variation in opioid response is managed clinically through a process known as opioid switching. The evidence supporting the efficacy of opioid switching is poor, mainly because randomized controlled trials in this area are lacking. SUMMARY Adequately powered studies to allow identification of genetic variants with small effect size and exploration of gene-gene interaction are needed. Integration of genetic analysis in clinical studies with carefully defined outcome measures will increase the likelihood of identifying clinical and genetic factors which can be used to predict opioid response.
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