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Thompson MD, Reiner-Link D, Berghella A, Rana BK, Rovati GE, Capra V, Gorvin CM, Hauser AS. G protein-coupled receptor (GPCR) pharmacogenomics. Crit Rev Clin Lab Sci 2024:1-44. [PMID: 39119983 DOI: 10.1080/10408363.2024.2358304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/03/2023] [Accepted: 05/18/2024] [Indexed: 08/10/2024]
Abstract
The field of pharmacogenetics, the investigation of the influence of one or more sequence variants on drug response phenotypes, is a special case of pharmacogenomics, a discipline that takes a genome-wide approach. Massively parallel, next generation sequencing (NGS), has allowed pharmacogenetics to be subsumed by pharmacogenomics with respect to the identification of variants associated with responders and non-responders, optimal drug response, and adverse drug reactions. A plethora of rare and common naturally-occurring GPCR variants must be considered in the context of signals from across the genome. Many fundamentals of pharmacogenetics were established for G protein-coupled receptor (GPCR) genes because they are primary targets for a large number of therapeutic drugs. Functional studies, demonstrating likely-pathogenic and pathogenic GPCR variants, have been integral to establishing models used for in silico analysis. Variants in GPCR genes include both coding and non-coding single nucleotide variants and insertion or deletions (indels) that affect cell surface expression (trafficking, dimerization, and desensitization/downregulation), ligand binding and G protein coupling, and variants that result in alternate splicing encoding isoforms/variable expression. As the breadth of data on the GPCR genome increases, we may expect an increase in the use of drug labels that note variants that significantly impact the clinical use of GPCR-targeting agents. We discuss the implications of GPCR pharmacogenomic data derived from the genomes available from individuals who have been well-phenotyped for receptor structure and function and receptor-ligand interactions, and the potential benefits to patients of optimized drug selection. Examples discussed include the renin-angiotensin system in SARS-CoV-2 (COVID-19) infection, the probable role of chemokine receptors in the cytokine storm, and potential protease activating receptor (PAR) interventions. Resources dedicated to GPCRs, including publicly available computational tools, are also discussed.
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Affiliation(s)
- Miles D Thompson
- Krembil Brain Institute, Toronto Western Hospital, Toronto, Ontario, Canada
| | - David Reiner-Link
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Alessandro Berghella
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Brinda K Rana
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - G Enrico Rovati
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Valerie Capra
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Caroline M Gorvin
- Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Birmingham, United Kingdom
| | - Alexander S Hauser
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Kelly SE, Wang X, Hsieh SC, Abdul-Wahid A, Derry M, Skidmore B, Wells GA. Additive toxicity arising from combined use of immune checkpoint inhibitors and tyrosine kinase inhibitors in patients with renal or endometrial carcinoma: Protocol for a rapid systematic review. MethodsX 2024; 12:102730. [PMID: 38779442 PMCID: PMC11109459 DOI: 10.1016/j.mex.2024.102730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 04/21/2024] [Indexed: 05/25/2024] Open
Abstract
The combined use of immune checkpoint inhibitors and tyrosine kinase inhibitors (ICI/TKI) is an effective treatment strategy for some cancers. A better understanding of the potential additive toxicity for ICI/TKI combinations is needed to inform patient and provider treatment decisions. We aim to evaluate the safety of ICI/TKI combinations for individuals with renal cell or endometrial carcinoma. This rapid systematic review (SR) protocol follows PRISMA guidelines. A systematic search will be designed, peer reviewed and executed by experienced information specialists (Cochrane Central, MEDLINE, Embase) to identify published SRs and primary studies published since the most recent SR search. Randomized, quasi- or non-randomized controlled trials and comparative cohort studies are eligible if they compare ICI/TKI combinations to monotherapy or standard of care in participants with renal cell or endometrial carcinoma. The primary outcome is grade ≥ 3 treatment-related adverse-effects. Studies will be screened, selected, extracted and assessed for risk of bias by a single reviewer and checked completely by a second. Where feasible and appropriate, we will pool studies separately by design and indication using meta-analysis and test robustness of effects using prespecified subgroup and sensitivity analyses. Results will be summarized descriptively and presented in tables and figures. (PROSPERO ID: CRD42023416388).•This will be a comprehensive systematic review of the additive toxicity arising from the combined use of ICI/TKIs in patients with renal-cell or endometrial carcinoma.•We will consider treatment-related, treatment-emergent adverse events (Grade 3 or higher).•Identified safety profile may be used to inform patient or provider treatment decisions.
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Affiliation(s)
- Shannon E. Kelly
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - Xiaoqin Wang
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Shu-Ching Hsieh
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Aws Abdul-Wahid
- Bureau of Biologics, Radiopharmaceuticals and Self-Care Products, Marketed Health Products Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
| | - Melanie Derry
- Bureau of Biologics, Radiopharmaceuticals and Self-Care Products, Marketed Health Products Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
| | - Becky Skidmore
- Independent Information Scientist, Ottawa, Ontario, Canada
| | - George A. Wells
- Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
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Echeverría-Garcés G, Ramos-Medina MJ, Vargas R, Cabrera-Andrade A, Altamirano-Colina A, Freire MP, Montalvo-Guerrero J, Rivera-Orellana S, Echeverría-Espinoza P, Quiñones LA, López-Cortés A. Gastric cancer actionable genomic alterations across diverse populations worldwide and pharmacogenomics strategies based on precision oncology. Front Pharmacol 2024; 15:1373007. [PMID: 38756376 PMCID: PMC11096557 DOI: 10.3389/fphar.2024.1373007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 04/10/2024] [Indexed: 05/18/2024] Open
Abstract
Introduction: Gastric cancer is one of the most prevalent types of cancer worldwide. The World Health Organization (WHO), the International Agency for Research on Cancer (IARC), and the Global Cancer Statistics (GLOBOCAN) reported an age standardized global incidence rate of 9.2 per 100,000 individuals for gastric cancer in 2022, with a mortality rate of 6.1. Despite considerable progress in precision oncology through the efforts of international consortia, understanding the genomic features and their influence on the effectiveness of anti-cancer treatments across diverse ethnic groups remains essential. Methods: Our study aimed to address this need by conducting integrated in silico analyses to identify actionable genomic alterations in gastric cancer driver genes, assess their impact using deleteriousness scores, and determine allele frequencies across nine global populations: European Finnish, European non-Finnish, Latino, East Asian, South Asian, African, Middle Eastern, Ashkenazi Jewish, and Amish. Furthermore, our goal was to prioritize targeted therapeutic strategies based on pharmacogenomics clinical guidelines, in silico drug prescriptions, and clinical trial data. Results: Our comprehensive analysis examined 275,634 variants within 60 gastric cancer driver genes from 730,947 exome sequences and 76,215 whole-genome sequences from unrelated individuals, identifying 13,542 annotated and predicted oncogenic variants. We prioritized the most prevalent and deleterious oncogenic variants for subsequent pharmacogenomics testing. Additionally, we discovered actionable genomic alterations in the ARID1A, ATM, BCOR, ERBB2, ERBB3, CDKN2A, KIT, PIK3CA, PTEN, NTRK3, TP53, and CDKN2A genes that could enhance the efficacy of anti-cancer therapies, as suggested by in silico drug prescription analyses, reviews of current pharmacogenomics clinical guidelines, and evaluations of phase III and IV clinical trials targeting gastric cancer driver proteins. Discussion: These findings underline the urgency of consolidating efforts to devise effective prevention measures, invest in genomic profiling for underrepresented populations, and ensure the inclusion of ethnic minorities in future clinical trials and cancer research in developed countries.
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Affiliation(s)
- Gabriela Echeverría-Garcés
- Centro de Referencia Nacional de Genómica, Secuenciación y Bioinformática, Instituto Nacional de Investigación en Salud Pública “Leopoldo Izquieta Pérez”, Quito, Ecuador
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Santiago, Chile
| | - María José Ramos-Medina
- German Cancer Research Center (DKFZ), Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Rodrigo Vargas
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Santiago, Chile
- Department of Molecular Biology, Galileo University, Guatemala City, Guatemala
| | - Alejandro Cabrera-Andrade
- Escuela de Enfermería, Facultad de Ciencias de La Salud, Universidad de Las Américas, Quito, Ecuador
- Grupo de Bio-Quimioinformática, Universidad de Las Américas, Quito, Ecuador
| | | | - María Paula Freire
- Cancer Research Group (CRG), Faculty of Medicine, Universidad de Las Américas, Quito, Ecuador
| | | | | | | | - Luis A. Quiñones
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Santiago, Chile
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
- Department of Pharmaceutical Sciences and Technology, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santiago, Chile
| | - Andrés López-Cortés
- Cancer Research Group (CRG), Faculty of Medicine, Universidad de Las Américas, Quito, Ecuador
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Bastaki K, Velayutham D, Irfan A, Adnan M, Mohammed S, Mbarek H, Qoronfleh MW, Jithesh PV. Forging the path to precision medicine in Qatar: a public health perspective on pharmacogenomics initiatives. Front Public Health 2024; 12:1364221. [PMID: 38550311 PMCID: PMC10977610 DOI: 10.3389/fpubh.2024.1364221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 02/20/2024] [Indexed: 04/02/2024] Open
Abstract
Pharmacogenomics (PGx) is an important component of precision medicine that promises tailored treatment approaches based on an individual's genetic information. Exploring the initiatives in research that help to integrate PGx test into clinical setting, identifying the potential barriers and challenges as well as planning the future directions, are all important for fruitful PGx implementation in any population. Qatar serves as an exemplar case study for the Middle East, having a small native population compared to a diverse immigrant population, advanced healthcare system, national genome program, and several educational initiatives on PGx and precision medicine. This paper attempts to outline the current state of PGx research and implementation in Qatar within the global context, emphasizing ongoing initiatives and educational efforts. The inclusion of PGx in university curricula and healthcare provider training, alongside precision medicine conferences, showcase Qatar's commitment to advancing this field. However, challenges persist, including the requirement for population specific implementation strategies, complex genetic data interpretation, lack of standardization, and limited awareness. The review suggests policy development for future directions in continued research investment, conducting clinical trials for the feasibility of PGx implementation, ethical considerations, technological advancements, and global collaborations to overcome these barriers.
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Affiliation(s)
- Kholoud Bastaki
- Clinical and Pharmacy Practice Department, College of Pharmacy, QU Health, Qatar University, Doha, Qatar
| | - Dinesh Velayutham
- College of Health & Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
| | - Areeba Irfan
- College of Health & Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
| | - Mohd Adnan
- College of Health & Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
| | - Sawsan Mohammed
- College of Medicine, Pre-Clinical Education Department, QU Health, Qatar University, Doha, Qatar
| | | | - M. Waild Qoronfleh
- Q3 Research Institute (QRI), Research & Policy Division, Ann Arbor, MI, United States
| | - Puthen Veettil Jithesh
- College of Health & Life Sciences, Hamad Bin Khalifa University, Education City, Doha, Qatar
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Hurrell T, Naidoo J, Masimirembwa C, Scholefield J. The Case for Pre-Emptive Pharmacogenetic Screening in South Africa. J Pers Med 2024; 14:114. [PMID: 38276236 PMCID: PMC10817273 DOI: 10.3390/jpm14010114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/27/2024] Open
Abstract
Lack of equitable representation of global genetic diversity has hampered the implementation of genomic medicine in under-represented populations, including those on the African continent. Data from the multi-national Pre-emptive Pharmacogenomic Testing for Preventing Adverse Drug Reactions (PREPARE) study suggest that genotype guidance for prescriptions reduced the incidence of clinically relevant adverse drug reactions (ADRs) by 30%. In this study, hospital dispensary trends from a tertiary South African (SA) hospital (Steve Biko Academic Hospital; SBAH) were compared with the drugs monitored in the PREPARE study. Dispensary data on 29 drugs from the PREPARE study accounted for ~10% of total prescriptions and ~9% of the total expenditure at SBAH. VigiLyze data from the South African Health Products Regulatory Authority were interrogated for local ADRs related to these drugs; 27 were listed as being suspected, concomitant, or interacting in ADR reports. Furthermore, a comparison of pharmacogene allele frequencies between African and European populations was used to frame the potential impact of pre-emptive pharmacogenetic screening in SA. Enumerating the benefit of pre-emptive pharmacogenetic screening in SA will only be possible once we initiate its full application. However, regional genomic diversity, disease burden, and first-line treatment options could be harnessed to target stratified PGx today.
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Affiliation(s)
- Tracey Hurrell
- Bioengineering and Integrated Genomics Group, Future Production Chemicals Cluster, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (T.H.); (J.N.)
| | - Jerolen Naidoo
- Bioengineering and Integrated Genomics Group, Future Production Chemicals Cluster, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (T.H.); (J.N.)
| | - Collen Masimirembwa
- African Institute of Biomedical Science and Technology, Harare 00263, Zimbabwe;
- Sydney Brenner Institute for Molecular Biology, Division of Human Genetics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa
| | - Janine Scholefield
- Bioengineering and Integrated Genomics Group, Future Production Chemicals Cluster, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (T.H.); (J.N.)
- Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
- Division of Human Genetics, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa
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Wondrasek A, Fryza A, Aziz MA, Leong C, Kowalec K, Maruf AA. Knowledge, perceptions, and attitudes toward pharmacogenomics among pharmacists and pharmacy students: A systematic review. Health Sci Rep 2024; 7:e1844. [PMID: 38274140 PMCID: PMC10809028 DOI: 10.1002/hsr2.1844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/09/2023] [Accepted: 01/08/2024] [Indexed: 01/27/2024] Open
Abstract
Background and Aims Pharmacists have been recognized as one of the most qualified healthcare professionals in the clinical implementation of pharmacogenomics, yet its widespread implementation in clinical pharmacy practice has remained limited. The review aims to systematically investigate knowledge, perceptions, and attitudes toward pharmacogenomics among pharmacists and pharmacy students to inform the future delivery of pharmacogenomics education programs. Methods PubMed, MEDLINE, Embase, Scopus, and the International Pharmaceutical Abstracts were searched up to May 17, 2022. Studies were selected if they included data on pharmacists' or pharmacy students' knowledge, perception, or attitude about pharmacogenomics and were published in a peer-reviewed, English-language journal with full-text availability. Any published study not deemed original research was excluded. All included studies were critically appraised using the Center for Evidence-Based Management's critical appraisal tools. The data were descriptively analyzed and presented based on pharmacists' and pharmacy students' knowledge/awareness, perception/attitudes toward pharmacogenomic (PGx), confidence in using or interpreting PGx testing results, and their desire to get further PGx education or their most preferred method of further education. Results A combined total of 12,430 pharmacists and pharmacy students from 26 countries are represented in the 52 included studies. Despite overwhelmingly positive attitudes and perceptions toward pharmacogenomics among pharmacists and pharmacy students, an overall lack of adequate knowledge and confidence was found. The review also found a strong desire for further pharmacogenomics education among pharmacists and pharmacy students. Conclusion Pharmacists and pharmacy students have positive perceptions and attitudes toward pharmacogenomics, which is hindered by a lack of knowledge and confidence. However, inadequate control for confounders, limited representativeness of the studied population or region, and small sample sizes diminish the generalizability of the review results. Knowledge and confidence could be improved through enhanced delivery of pharmacogenomic courses within the pharmacy curriculum and continuing education programs.
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Affiliation(s)
- Amanda Wondrasek
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
| | - Amber Fryza
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
| | - Md. Abdul Aziz
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
- Bangladesh Pharmacogenomics Research Network (BdPGRN)DhakaBangladesh
| | - Christine Leong
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
- Department of Psychiatry, Max Rady College of MedicineUniversity of ManitobaWinnipegCanada
| | - Kaarina Kowalec
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
- Department of Medical Epidemiology and BiostatisticsKarolinska InstituteStockholmSweden
| | - Abdullah Al Maruf
- College of Pharmacy, Rady Faculty of Health SciencesUniversity of ManitobaWinnipegCanada
- Bangladesh Pharmacogenomics Research Network (BdPGRN)DhakaBangladesh
- The Mathison Centre for Mental Health Research & Education, Cumming School of Medicine, Department of PsychiatryUniversity of CalgaryCalgaryCanada
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Zhang L, Zhou S, Allen JD, Wang F, Pittenger AL, Bishop JR. Assessing pharmacogenomic literacy in China through validation of the Chinese version of the Minnesota Assessment of Pharmacogenomic Literacy. Clin Transl Sci 2023; 16:2356-2368. [PMID: 37721333 PMCID: PMC10651651 DOI: 10.1111/cts.13637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/09/2023] [Accepted: 08/30/2023] [Indexed: 09/19/2023] Open
Abstract
Pharmacogenomics (PGx) implementation into clinical care is rapidly increasing in China. However, the extent to which the public understands PGx testing and important knowledge domains requiring patient education or counseling remains unclear. To address this, we created and validated the Chinese version of the Minnesota Assessment of Pharmacogenomic Literacy (MAPL-CTM ). The MAPL-C was developed by translating the English MAPL to Chinese following cross-cultural translation guidelines. An online survey validated the MAPL-C and assessed Chinese individuals' PGx literacy. Validation analyses were performed and associations of PGx literacy with participants' characteristics were quantified. Of 959 high-quality responses, the majority of respondents were Han Chinese (96.3%), men (54.5%), aged 18-29 years (70.9%), residing in China (97.3%), and had received college or higher education (95.0%). Out of 15 starting items developed to query specific predefined knowledge domains, two uninformative items were excluded, resulting in a 13-item MAPL-C. Chinese participants' MAPL-C performance was best explained by a three-factor model, encompassing PGx concepts and function, testing limitations, and privacy. Higher MAPL-C performance was associated with younger age, higher education, and previous genetic testing experience. Correct response rates for questions related to testing limitations were lower than those in other domains. The creation and validation of the MAPL-C fills a gap in determining PGx knowledge among Chinese speakers, quantifying PGx literacy within a Chinese cohort, and identifying response patterns and knowledge gaps. The MAPL-C can be useful in clinical practice to guide patient counseling, assess PGx education interventions, and quantify PGx knowledge in relation to outcomes in research studies involving Chinese participants.
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Affiliation(s)
- Lusi Zhang
- Department of Experimental and Clinical Pharmacology, College of PharmacyUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Shuqin Zhou
- Department of Emergency, Shanghai Tenth People's HospitalTongji UniversityShanghaiChina
| | - Josiah D. Allen
- Department of PharmacySt. Elizabeth HealthcareEdgewoodKentuckyUSA
| | - Fan Wang
- Department of Experimental and Clinical Pharmacology, College of PharmacyUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Amy L. Pittenger
- Department of Pharmaceutical Care and Health Systems, College of PharmacyUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Jeffrey R. Bishop
- Department of Experimental and Clinical Pharmacology, College of PharmacyUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of Psychiatry and Behavioral SciencesUniversity of Minnesota Medical SchoolMinneapolisMinnesotaUSA
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Saab Y, Nakad Z. A software tool to adjust codeine dose based on CYP2D6 gene-pair polymorphisms and drug-drug interactions. THE PHARMACOGENOMICS JOURNAL 2023; 23:217-224. [PMID: 37940650 DOI: 10.1038/s41397-023-00318-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 09/29/2023] [Accepted: 10/18/2023] [Indexed: 11/10/2023]
Abstract
Codeine is metabolized by the CYP2D6 enzyme, and individuals with certain genetic variations of the CYP2D6 gene may metabolize codeine differently, leading to variable efficacy and toxicity. Drug-drug interactions can also affect the metabolism of codeine. A tool to adjust codeine dose based on these factors does not currently exist. Healthcare providers should use their clinical judgment and reference different established dosing guidelines to determine the appropriate dose of codeine for individual patients. The study provides a tool that assists prescribers in adjusting codeine dose based on CYP2D6 gene-pair polymorphisms and drug-drug interactions. Highlighted is the need to consider pharmacogenetics and drug-drug interactions when determining the appropriate dosing of codeine and provide a framework for implementing individualized dosing based on these factors.
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Affiliation(s)
- Yolande Saab
- Pharmaceutical Sciences Department, School of Pharmacy, Lebanese American University, Byblos, Lebanon.
| | - Zahi Nakad
- Electrical and Computer Engineering Department, School of Engineering, Lebanese American University, Byblos, Lebanon.
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Mostaid MS, Aziz MA, Maisha JA, Islam MS, Maruf AA. A review of pharmacogenetic studies in the Bangladeshi population. Drug Metab Pers Ther 2023:dmdi-2022-0194. [PMID: 36854045 DOI: 10.1515/dmpt-2022-0194] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 01/25/2023] [Indexed: 03/02/2023]
Abstract
Pharmacogenetics (PGx)-guided prescribing is an evidence-based precision medicine strategy. Although the past two decades have reported significant advancements in both the quality and quantity of PGx research studies, they are seldom done in developing countries like Bangladesh. This review identified and summarized PGx studies conducted in the Bangladeshi population by searching PubMed and Google Scholar. Additionally, a quality evaluation of the identified studies was also carried out. Eleven PGx studies were identified that looked at the effects of genetic variants on blood thinners (CYP2C9, VKORC1, and ITGB3), cancer drugs (TPMT, MTHFR, DPYD, ERCC1, GSTP1, XPC, XRCC1, TP53, XPD, and ABCC4), statins (COQ2, CYP2D6, and CYP3A5), and prednisolone (ABCB1, CYP3A5, and NR3C1) in the Bangladeshi population. Most studies were of low to moderate quality. Although the identified studies demonstrated the potential for PGx testing, the limited PGx literature in the Bangladeshi population poses a significant challenge in the widespread implementation of PGx testing in Bangladesh.
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Affiliation(s)
- Md Shaki Mostaid
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Md Abdul Aziz
- Laboratory of Pharmacogenomics and Molecular Biology, Department of Pharmacy, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Jeba Atkia Maisha
- Department of Mathematics and Natural Sciences, Brac University, Dhaka, Bangladesh
| | - Mohammad Safiqul Islam
- Laboratory of Pharmacogenomics and Molecular Biology, Department of Pharmacy, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Abdullah Al Maruf
- The Mathison Centre for Mental Health Research & Education, Cumming School of Medicine, University of Calgary, Calgary, Canada
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Biswas M, Jinda P, Sukasem C. Pharmacogenomics in Asians: Differences and similarities with other human populations. Expert Opin Drug Metab Toxicol 2023; 19:27-41. [PMID: 36755439 DOI: 10.1080/17425255.2023.2178895] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 02/07/2023] [Indexed: 02/10/2023]
Abstract
INTRODUCTION Various pharmacogenomic (PGx) variants differ widely in different ethnicities. and clinical outcomes associated with these variants may also be substantially varied. Literature was searched in different databases, i.e. PubMed, ScienceDirect, Web of Science, and PharmGKB, from inception to 30 June 2022 for this review. AREAS COVERED Certain PGx variants were distinctly varied in Asian populations compared to the other human populations, e.g. CYP2C19*2,*3,*17; CYP2C9*2,*3; CYP2D6*4,*5,*10,*41; UGT1A1*6,*28; HLA-B*15:02, HLA-B*15:21, HLA-B*58:01, and HLA-A*31:01. However, certain other variants do not vary greatly between Asian and other ethnicities, e.g. CYP3A5*3; ABCB1, and SLCO1B1*5. As evident in this review, the risk of major adverse cardiovascular events (MACE) was much stronger in Asian patients taking clopidogrel and who inherited the CYP2C19 loss-of-function alleles, e.g. CYP2C19*2 and*3, when compared to the western/Caucasian patients. Additionally, the risk of carbamazepine-induced severe cutaneous adverse drug reactions (SCARs) for the patients inheriting HLA-B*15:02 and HLA-B*15:21 alleles varied significantly between Asian and other ethnicities. In contrast, both Caucasian and Asian patients inheriting the SLCO1B1*5 variant possessed a similar magnitude of muscle toxicity, i.e. myopathy. EXPERT OPINION Asian countries should take measures toward expanding PGx research, as well as initiatives for the purposes of obtaining clinical benefits from this newly evolving and economically viable treatment model.
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Affiliation(s)
- Mohitosh Biswas
- Department of Pharmacy, University of Rajshahi, 6205, Rajshahi, Bangladesh
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 10400, Bangkok, Thailand
- Laboratory for Pharmacogenomics, Ramathibodi Hospital, Somdech Phra Debaratana Medical Center SDMC, 10400, Bangkok, Thailand
| | - Pimonpan Jinda
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 10400, Bangkok, Thailand
- Laboratory for Pharmacogenomics, Ramathibodi Hospital, Somdech Phra Debaratana Medical Center SDMC, 10400, Bangkok, Thailand
| | - Chonlaphat Sukasem
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 10400, Bangkok, Thailand
- Laboratory for Pharmacogenomics, Ramathibodi Hospital, Somdech Phra Debaratana Medical Center SDMC, 10400, Bangkok, Thailand
- Pharmacogenomics and Precision Medicine Clinic, Bumrungrad Genomic Medicine Institute (BGMI), Bumrungrad International Hospital, 10110, Bangkok, Thailand
- MRC Centre for Drug Safety Science, Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, L69 3GL, Liverpool, UK
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Sychev D, Fedina L, Poptsova M, Zateyshchikov D, Mirzaev K, Tsimbal E, Sychev I, Rastvorova T. A survey of physician opinions in Russia in the field of pharmacogenetics of cardiovascular disease. Pharmacogenomics 2022; 23:847-856. [PMID: 36093937 DOI: 10.2217/pgs-2022-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: To study the readiness of Russian physicians with experience and younger physicians undergoing clinical residency and postgraduate education to apply pharmacogenetic testing in their clinical practice. Materials & methods: The sociological study involved physicians (n = 378) living in different regions of the Russian Federation, as well as residents and graduate students (n = 185) of the Russian Medical Academy of Continuing Professional Medical Education. The survey consisted of 35 questions, and 23 were created on the online platform of professional surveys, Testograf.ru. Results: Every second respondent was willing to use pharmacogenetic testing in clinical practice to predict the efficacy and safety of medications in patients with cardiovascular disease (p = 0.06). Factors impeding the clinical implementation of pharmacogenetic testing in Russia were identified: physicians' ignorance of pharmacogenetics (p = 0.015), a lack of pharmacogenetic testing in clinical guidelines and treatment standards (p = 0.175) and a lack of economic justification for using pharmacogenetic testing (p = 0.320). Conclusion: Russian physicians have a positive attitude toward pharmacogenetic testing. However, the level of test implementation remains low.
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Affiliation(s)
- Dmitry Sychev
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
| | - Ludmila Fedina
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
| | - Maria Poptsova
- Laboratory of Bioinformatics, Big Data & Information Retrieval School, Faculty of Computer Science, National Research University Higher School of Economics, 3 Kochnovsky Proezd, Moscow, 109028, Russian Federation
| | - Dmitry Zateyshchikov
- National Medical Research Center for Cardiology, Laboratory of Functional Genomics of Cardiovascular Diseases, Moscow, 121552, Russian Federation
| | - Karin Mirzaev
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
| | - Evgeny Tsimbal
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
| | - Igor Sychev
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
| | - Tatiana Rastvorova
- Russian Medical Academy of Continuous Professional Education of The Ministry of Health of The Russian Federation, 2/1 Barrikadnaya Street, Moscow, 123995, Russian Federation
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12
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Díaz-Villamarín X, Piñar-Morales R, Barrero-Hernández FJ, Antúnez-Rodríguez A, Cabeza-Barrera J, Morón-Romero R. Pharmacogenetics of siponimod: A systematic review. Biomed Pharmacother 2022; 153:113536. [DOI: 10.1016/j.biopha.2022.113536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 11/29/2022] Open
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13
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Mbavha BT, Kanji CR, Stadler N, Stingl J, Stanglmair A, Scholl C, Wekwete W, Masimirembwa C. Population genetic polymorphisms of pharmacogenes in Zimbabwe, a potential guide for the safe and efficacious use of medicines in people of African ancestry. Pharmacogenet Genomics 2022; 32:173-182. [PMID: 35190514 DOI: 10.1097/fpc.0000000000000467] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Pharmacogenomics (PGx) is a clinically significant factor in the safe and efficacious use of medicines. While PGx knowledge is abundant for other populations, there are scarce PGx data on African populations and is little knowledge on drug-gene interactions for medicines used to treat diseases common in Africa. The aim of this study was to use a custom-designed open array to genotype clinically actionable variants in a Zimbabwean population. This study also identified some of the commonly used drugs in Zimbabwe and the associated genes involved in their metabolism. METHODS A custom-designed open array that covers 120 genetic variants was used to genotype 522 black Zimbabwean healthy volunteers using TaqMan-based single nucleotide polymorphism genotyping. Data were also accessed from Essential Drugs' List in Zimbabwe (EDLIZ), and the medicines were grouped into the associated biomarker groups based on their metabolism. We also estimated the national drug procurement levels for medicines that could benefit from PGx-guided use based on the data obtained from the national authorities in Zimbabwe. RESULTS The results demonstrate the applicability of an open-array chip in simultaneously determining multiple genetic variants in an individual, thus significantly reducing cost and time to generate PGx data. There were significantly high frequencies of African-specific variants, such as the CYP2D6*17 and *29 variants and the CYP2B6*18 variant. The data obtained showed that the Zimbabwean population exhibits PGx variations in genes important for the safe and efficacious use of drugs approved by the EDLIZ and are procured at significantly large amounts annually. The study has established a cohort of genotyped healthy volunteers that can be accessed and used in the conduct of clinical pharmacogenetic studies for drugs entering a market of people of predominantly African ancestry. CONCLUSION Our study demonstrated the potential benefit of integrating PGx in Zimbabwe for the safe and efficacious use of drugs that are commonly used.
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Affiliation(s)
- Bianza T Mbavha
- Department of Genomic Medicine, African Institute of Biomedical Science and Technology (AiBST), Harare, Zimbabwe
| | - Comfort R Kanji
- Department of Genomic Medicine, African Institute of Biomedical Science and Technology (AiBST), Harare, Zimbabwe
| | - Nadina Stadler
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Bonn
| | - Julia Stingl
- Institute of Clinical Pharmacology, University Hospital RWTH Aachen, Aachen, Germany
| | - Andrea Stanglmair
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Bonn
| | - Catharina Scholl
- Research Division, Federal Institute for Drugs and Medical Devices (BfArM), Bonn
| | - William Wekwete
- Evaluations and Registration Division, Medicines Control Authority of Zimbabwe (MCAZ), Harare, Zimbabwe
| | - Collen Masimirembwa
- Department of Genomic Medicine, African Institute of Biomedical Science and Technology (AiBST), Harare, Zimbabwe
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14
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Maruf AA, Bousman CA. Approaches and hurdles of implementing pharmacogenetic testing in the psychiatric clinic. PCN REPORTS : PSYCHIATRY AND CLINICAL NEUROSCIENCES 2022; 1:e26. [PMID: 38868642 PMCID: PMC11114389 DOI: 10.1002/pcn5.26] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/07/2022] [Accepted: 06/01/2022] [Indexed: 06/14/2024]
Abstract
Pharmacogenetic (PGx) testing has emerged as a tool for predicting a person's ability to process and react to drugs. Despite the growing evidence-base, enthusiasm, and successful efforts to implement PGx testing in psychiatry, a consensus on how best to implement PGx testing into practice has not been established and numerous hurdles to widespread adoption remain to be overcome. In this article, we summarize the most used approaches and commonly encountered hurdles when implementing PGx testing into routine psychiatric care. We also highlight effective strategies that have been used to overcome hurdles. These strategies include the development of user-friendly clinical workflows for test ordering, use, and communication of results, establishment of test standardization and reimbursement policies, and development of tailored curriculums for educating health-care providers and the public. Although knowledge and awareness of these approaches and strategies to overcome hurdles alone may not be sufficient for successful implementation, they are necessary to ensure the effective spread, scale, and sustainability of PGx testing in psychiatry and other areas of medicine.
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Affiliation(s)
- Abdullah Al Maruf
- Rady Faculty of Health Sciences, College of PharmacyUniversity of ManitobaWinnipegManitobaCanada
- Children's Hospital Research Institute of ManitobaWinnipegManitobaCanada
- Centre on AgingUniversity of ManitobaWinnipegManitobaCanada
- The Mathison Centre for Mental Health Research & Education, Hotchkiss Brain InstituteUniversity of CalgaryCalgaryAlbertaCanada
- Departments of Psychiatry and Physiology & PharmacologyUniversity of CalgaryCalgaryAlbertaCanada
| | - Chad A. Bousman
- The Mathison Centre for Mental Health Research & Education, Hotchkiss Brain InstituteUniversity of CalgaryCalgaryAlbertaCanada
- Departments of Psychiatry and Physiology & PharmacologyUniversity of CalgaryCalgaryAlbertaCanada
- Department of Medical GeneticsUniversity of CalgaryCalgaryAlbertaCanada
- Department of Community Health SciencesUniversity of CalgaryCalgaryAlbertaCanada
- Alberta Children's Hospital Research InstituteUniversity of CalgaryCalgaryAlbertaCanada
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15
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Ahmed Z, Hao S, Williamson T, McMorris CA, Bousman CA. Psychotropic prescribing rates and pharmacogenomic testing implications for autism in the Canadian primary care sentinel surveillance network. Pharmacogenet Genomics 2022; 32:94-100. [PMID: 34545026 DOI: 10.1097/fpc.0000000000000457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To estimate prescribing rates of psychotropic drugs to individuals with autism and the proportion of these individuals who could benefit from pharmacogenetic testing. METHODS Prescribing data for 92 psychotropic drugs, including 31 antidepressants, 22 antipsychotics, 14 mood stabilizer/antiepileptics, 17 anxiolytic/hypnotics and eight antiadrenergic/psychostimulant were retrieved from medical records of 787 (613 males) autistic individuals who sought treatment from a primary care office enrolled in the Canadian Primary Care Sentinel Surveillance Network between 2012 and 2014. Each prescribed drug was cross-referenced with pharmacogenomic-based prescribing guidelines published by the Clinical Pharmacogenetics Implementation Consortium, the Dutch Pharmacogenetics Working Group, and the Canadian Pharmacogenomics Network for Drug Safety. RESULTS More than half (58%) of the participants were prescribed a psychotropic drug and 37% were prescribed two or more psychotropic drugs concurrently. Among the 83 psychotropic drugs examined, 54 (65%) were prescribed to one or more participants during the study's observation period. The ten most frequently prescribed psychotropics were methylphenidate (16.3%), risperidone (12.8%), lorazepam (12.1%), fluoxetine (7.9%), sertraline (7.1%), quetiapine (6.9%), aripiprazole (6.1%), lisdexamfetamine (5.8%), citalopram (5.6%) and clonazepam (4.8%). Seventeen (32%) of the 54 psychotropic drugs prescribed were linked to a pharmacogenomic-based prescribing guideline, including risperidone, sertraline, aripiprazole and citalopram. CONCLUSIONS Our findings suggest primary care providers in Canada prescribe a wide range of psychotropics to their patients with autism, some of which may benefit from the integration of pharmacogenomic information into their treatment planning.
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Affiliation(s)
- Zeeshan Ahmed
- Cumming School of Medicine
- Alberta Children's Hospital Research Institute
| | - Sylvia Hao
- Cumming School of Medicine
- Alberta Children's Hospital Research Institute
| | - Tyler Williamson
- Alberta Children's Hospital Research Institute
- O'Brien Institute of Public Health
- Centre for Health Informatics
- Owerko Centre
| | - Carly A McMorris
- Alberta Children's Hospital Research Institute
- O'Brien Institute of Public Health
- Owerko Centre
- Mathison Centre for Mental Health Research & Education, Hotchkiss Brain Institute, Cumming School of Medicine
- Werklund School of Education
- Department of Psychiatry
| | - Chad A Bousman
- Alberta Children's Hospital Research Institute
- Owerko Centre
- Mathison Centre for Mental Health Research & Education, Hotchkiss Brain Institute, Cumming School of Medicine
- Department of Psychiatry
- Department of Physiology & Pharmacology
- Department of Medical Genetics, University of Calgary, Calgary, Alberta, Canada
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16
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Bousman CA, Mukerjee G, Men X, Dorfman R, Müller DJ, Thomas RE. Encountering Pharmacogenetic Test Results in the Psychiatric Clinic. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 2022; 67:95-100. [PMID: 34783587 PMCID: PMC8892046 DOI: 10.1177/07067437211058847] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Chad A Bousman
- Departments of Medical Genetics, Psychiatry, Physiology & Pharmacology, and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada.,Department of Psychiatry, Melbourne Medical School, The University of Melbourne, Melbourne, Victoria, Australia
| | | | - Xiaoyu Men
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada
| | - Ruslan Dorfman
- GeneYouIn Inc, Toronto, Ontario, Canada.,Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada
| | - Daniel J Müller
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Roger E Thomas
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
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17
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Abstract
Over the past decade, pharmacogenetic testing has emerged in clinical practice to guide selected cardiovascular therapies. The most common implementation in practice is CYP2C19 genotyping to predict clopidogrel response and assist in selecting antiplatelet therapy after percutaneous coronary intervention. Additional examples include genotyping to guide warfarin dosing and statin prescribing. Increasing evidence exists on outcomes with genotype-guided cardiovascular therapies from multiple randomized controlled trials and observational studies. Pharmacogenetic evidence is accumulating for additional cardiovascular medications. However, data for many of these medications are not yet sufficient to support the use of genotyping for drug prescribing. Ultimately, pharmacogenetics might provide a means to individualize drug regimens for complex diseases such as heart failure, in which the treatment armamentarium includes a growing list of medications shown to reduce morbidity and mortality. However, sophisticated analytical approaches are likely to be necessary to dissect the genetic underpinnings of responses to drug combinations. In this Review, we examine the evidence supporting pharmacogenetic testing in cardiovascular medicine, including that available from several clinical trials. In addition, we describe guidelines that support the use of cardiovascular pharmacogenetics, provide examples of clinical implementation of genotype-guided cardiovascular therapies and discuss opportunities for future growth of the field.
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Affiliation(s)
- Julio D Duarte
- Center for Pharmacogenomics and Precision Medicine and Department of Pharmacotherapy and Translational Research, University of Florida College of Pharmacy, Gainesville, FL, USA
| | - Larisa H Cavallari
- Center for Pharmacogenomics and Precision Medicine and Department of Pharmacotherapy and Translational Research, University of Florida College of Pharmacy, Gainesville, FL, USA.
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18
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Wake DT, Smith DM, Kazi S, Dunnenberger HM. Pharmacogenomic Clinical Decision Support: A Review, How-to Guide, and Future Vision. Clin Pharmacol Ther 2021; 112:44-57. [PMID: 34365648 PMCID: PMC9291515 DOI: 10.1002/cpt.2387] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 07/28/2021] [Indexed: 02/06/2023]
Abstract
Clinical decision support (CDS) is an essential part of any pharmacogenomics (PGx) implementation. Increasingly, institutions have implemented CDS tools in the clinical setting to bring PGx data into patient care, and several have published their experiences with these implementations. However, barriers remain that limit the ability of some programs to create CDS tools to fit their PGx needs. Therefore, the purpose of this review is to summarize the types, functions, and limitations of PGx CDS currently in practice. Then, we provide an approachable step‐by‐step how‐to guide with a case example to help implementers bring PGx to the front lines of care regardless of their setting. Particular focus is paid to the five “rights” of CDS as a core around designing PGx CDS tools. Finally, we conclude with a discussion of opportunities and areas of growth for PGx CDS.
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Affiliation(s)
- Dyson T Wake
- Mark R. Neaman Center for Personalized Medicine, NorthShore University HealthSystem, Evanston, Illinois, USA
| | - D Max Smith
- MedStar Health, Columbia, Maryland, USA.,Georgetown University Medical Center, Washington, DC, USA
| | - Sadaf Kazi
- Georgetown University Medical Center, Washington, DC, USA.,National Center for Human Factors in Healthcare, MedStar Health Research Institute Washington, Washington, DC, USA
| | - Henry M Dunnenberger
- Mark R. Neaman Center for Personalized Medicine, NorthShore University HealthSystem, Evanston, Illinois, USA
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19
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Luzum JA, Petry N, Taylor AK, Van Driest SL, Dunnenberger HM, Cavallari LH. Moving Pharmacogenetics Into Practice: It's All About the Evidence! Clin Pharmacol Ther 2021; 110:649-661. [PMID: 34101169 DOI: 10.1002/cpt.2327] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/27/2021] [Indexed: 12/19/2022]
Abstract
The evidence for pharmacogenetics has grown rapidly in recent decades. However, the strength of evidence required for the clinical implementation of pharmacogenetics is highly debated. Therefore, the purpose of this review is to summarize different perspectives on the evidence required for the clinical implementation of pharmacogenetics. First, we present two patient cases that demonstrate how knowledge of pharmacogenetic evidence affected their care. Then we summarize resources that curate pharmacogenetic evidence, types of evidence (with an emphasis on randomized controlled trials [RCT]) and their limitations, and different perspectives from implementers, clinicians, and patients. We compare pharmacogenetics to a historical example (i.e., the evidence required for the clinical implementation of pharmacokinetics/therapeutic drug monitoring), and we provide future perspectives on the evidence for pharmacogenetic panels and the need for more education in addition to evidence. Although there are differences in the interpretation of pharmacogenetic evidence across resources, efforts for standardization are underway. Survey data illustrate the value of pharmacogenetic testing from the patient perspective, with their providers seen as key to ensuring maximum benefit from test results. However, clinicians and practice guidelines from medical societies often rely on RCT data to guide treatment decisions, which are not always feasible or ethical in pharmacogenetics. Thus, recognition of other types of evidence to support pharmacogenetic implementation is needed. Among pharmacogenetic implementers, consistent evidence of pharmacogenetic associations is deemed most critical. Ultimately, moving pharmacogenetics into practice will require consideration of multiple stakeholder perspectives, keeping particularly attuned to the voice of the ultimate stakeholder-the patient.
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Affiliation(s)
- Jasmine A Luzum
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, Michigan, USA
| | - Natasha Petry
- Department of Pharmacy Practice, College of Health Professions, North Dakota State University, Fargo, North Dakota, USA.,Sanford Imagenetics, Sioux Falls, South Dakota, USA
| | - Annette K Taylor
- Colorado Coagulation, Laboratory Corporation of America Holdings, Englewood, Colorado, USA
| | - Sara L Van Driest
- Departments of Pediatrics and Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Henry M Dunnenberger
- Mark R. Neaman Center for Personalized Medicine, NorthShore University HealthSystem, Evanston, Illinois, USA
| | - Larisa H Cavallari
- Department of Pharmacotherapy and Translational Research, Center for Pharmacogenomics and Precision Medicine, College of Pharmacy, University of Florida, Gainesville, Florida, USA
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20
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Varela NM, Guevara-Ramírez P, Acevedo C, Zambrano T, Armendáriz-Castillo I, Guerrero S, Quiñones LA, López-Cortés A. A New Insight for the Identification of Oncogenic Variants in Breast and Prostate Cancers in Diverse Human Populations, With a Focus on Latinos. Front Pharmacol 2021; 12:630658. [PMID: 33912047 PMCID: PMC8072346 DOI: 10.3389/fphar.2021.630658] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 01/25/2021] [Indexed: 12/24/2022] Open
Abstract
Background: Breast cancer (BRCA) and prostate cancer (PRCA) are the most commonly diagnosed cancer types in Latin American women and men, respectively. Although in recent years large-scale efforts from international consortia have focused on improving precision oncology, a better understanding of genomic features of BRCA and PRCA in developing regions and racial/ethnic minority populations is still required. Methods: To fill in this gap, we performed integrated in silico analyses to elucidate oncogenic variants from BRCA and PRCA driver genes; to calculate their deleteriousness scores and allele frequencies from seven human populations worldwide, including Latinos; and to propose the most effective therapeutic strategies based on precision oncology. Results: We analyzed 339,100 variants belonging to 99 BRCA and 82 PRCA driver genes and identified 18,512 and 15,648 known/predicted oncogenic variants, respectively. Regarding known oncogenic variants, we prioritized the most frequent and deleterious variants of BRCA (n = 230) and PRCA (n = 167) from Latino, African, Ashkenazi Jewish, East Asian, South Asian, European Finnish, and European non-Finnish populations, to incorporate them into pharmacogenomics testing. Lastly, we identified which oncogenic variants may shape the response to anti-cancer therapies, detailing the current status of pharmacogenomics guidelines and clinical trials involved in BRCA and PRCA cancer driver proteins. Conclusion: It is imperative to unify efforts where developing countries might invest in obtaining databases of genomic profiles of their populations, and developed countries might incorporate racial/ethnic minority populations in future clinical trials and cancer researches with the overall objective of fomenting pharmacogenomics in clinical practice and public health policies.
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Affiliation(s)
- Nelson M Varela
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago, Chile.,Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Madrid, Spain
| | - Patricia Guevara-Ramírez
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Madrid, Spain
| | - Cristian Acevedo
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago, Chile.,Department of Basic and Clinical Oncology, Clinical Hospital University of Chile, Santiago, Chile
| | - Tomás Zambrano
- Department of Medical Technology, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Isaac Armendáriz-Castillo
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito, Ecuador
| | - Santiago Guerrero
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito, Ecuador
| | - Luis A Quiñones
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic and Clinical Oncology, Faculty of Medicine, University of Chile, Santiago, Chile.,Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Madrid, Spain
| | - Andrés López-Cortés
- Latin American Network for the Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), Madrid, Spain.,Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito, Ecuador.,Department of Computer Science and Information Technologies, Faculty of Computer Science, University of A Coruna, A Coruña, Spain
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21
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Moke DJ, Luo C, Millstein J, Knight KR, Rassekh SR, Brooks B, Ross CJD, Wright M, Mena V, Rushing T, Esbenshade AJ, Carleton BC, Orgel E. Prevalence and risk factors for cisplatin-induced hearing loss in children, adolescents, and young adults: a multi-institutional North American cohort study. THE LANCET. CHILD & ADOLESCENT HEALTH 2021; 5:274-283. [PMID: 33581749 PMCID: PMC9059427 DOI: 10.1016/s2352-4642(21)00020-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/25/2020] [Accepted: 01/13/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Cisplatin is used to treat a wide range of childhood cancers and cisplatin-induced hearing loss (CIHL) is a common and debilitating toxicity. We aimed to address persistent knowledge gaps in CIHL by establishing benchmarks for the prevalence of and risk factors for CIHL. METHODS In this multi-institutional cohort study, children (age 0-14 years), adolescents, and young adults (age 15-39 years) diagnosed with a cisplatin-treated tumour from paediatric cancer centres, who had available cisplatin dosing information, and primary audiology data for central review from consortia located in Canada and the USA were eligible for inclusion. Audiology was centrally reviewed and CIHL graded using the consensus International Society of Pediatric Oncology (SIOP) Boston Ototoxicity Scale. We assessed the prevalence of moderate or severe CIHL (SIOP grade ≥2) at latest follow-up and end of therapy, in each demographic, diagnosis, and treatment group and their relative contributions to risk for CIHL. Secondary endpoints explored associations of cisplatin dose reductions and CIHL with survival. We also examined whether cisplatin dose reductions and CIHL were associated with survival outcomes. FINDINGS We included 1481 patients who received cisplatin. Of the 1414 (95·5%) participants who had audiometry at latest follow-up (mean 3·9 years [SD 4·2] since diagnosis), 620 (43·8%) patients developed moderate or severe CIHL. The highest prevalence of CIHL was seen in the youngest patients (aged <5 years; 360 [59·4%] of 606 patients) and those with a CNS tumour (221 [50·9%] of 434 patients), hepatoblastoma (110 [65·9%] of 167 patients), or neuroblastoma (154 [62·1%] of 248 patients). After accounting for cumulative cisplatin dose, higher fractionated doses were associated with risk for CIHL (for each 10mg/m2 increase per day, adjusted odds ratio [aOR] 1·15 [95% CI 1·07-1·25]; for each 50 mg/m2 increase per cycle aOR 2·16 [1·37-3·51]). Vincristine exposure was newly identified as a risk factor for CIHL (aOR 3·55 [2·19-5·84]). Dose reductions and moderate or severe CIHL were not significantly associated with survival differences. INTERPRETATION Using this large, multicentre cohort, benchmarks were established for the prevalence of CIHL in patients treated with cisplatin. Variations in cisplatin dosing confer additive risk for developing CIHL and warrant investigation as a potential approach to decrease the burden of therapy. FUNDING US National Institutes of Health and National Institute on Deafness and Other Communication Disorders, US National Institutes of Health and National Cancer institute, St Baldrick's Foundation, Genome Canada, Genome British Columbia, Canadian Institutes of Health Research, the Canada Foundation for Innovation, University of British Columbia, British Columbia Children's Hospital Research Institute, British Columbia Provincial Health Services Authority, Health Canada, and C17 Research Network.
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Affiliation(s)
- Diana J Moke
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA; Department of Pediatrics, University of Southern California, Los Angeles, CA, USA
| | - Chunqiao Luo
- Department of Preventive Medicine, Division of Biostatistics, University of Southern California, Los Angeles, CA, USA
| | - Joshua Millstein
- Department of Preventive Medicine, Division of Biostatistics, University of Southern California, Los Angeles, CA, USA
| | - Kristin R Knight
- Department of Pediatric Audiology, Child Development and Rehabilitation Center, Doernbecher Children's Hospital, Oregon Health & Science University, Portland, OR, USA
| | - Shahrad R Rassekh
- Division of Pediatric Hematology, Oncology, Bone Marrow Transplant, University of British Columbia, Vancouver, BC, Canada; British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Beth Brooks
- School of Audiology and Speech Sciences, University of British Columbia, Vancouver, BC, Canada; British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Colin J D Ross
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Michael Wright
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA; Health Science Center, University of Tennessee, Memphis, TN, USA
| | - Victoria Mena
- Cancer and Blood Diseases Institute, Division of Rehabilitation Services, Hearing and Speech, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Teresa Rushing
- Department of Pharmacy, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Adam J Esbenshade
- Division of Pediatric Hematology and Oncology, Vanderbilt University Medical Center and the Vanderbilt Ingram Cancer Center, Nashville, TN, USA
| | - Bruce C Carleton
- Department of Pediatrics, Division of Translational Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Etan Orgel
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA; Department of Pediatrics, University of Southern California, Los Angeles, CA, USA.
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22
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Fan M, Yarema MC, Box A, Hume S, Aitchison KJ, Bousman CA. Identification of high-impact gene-drug pairs for pharmacogenetic testing in Alberta, Canada. Pharmacogenet Genomics 2021; 31:29-39. [PMID: 32826605 DOI: 10.1097/fpc.0000000000000418] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES To facilitate decision-making and priority-setting related to Alberta's Pharmacogenomics (PGx) testing implementation strategy by identifying gene-drug pairs with the highest potential impact on prescribing practices in Alberta. PATIENTS AND METHODS Annual drug dispensing data for Alberta from 2012 to 2016 for 57 medications with PGx-based prescribing guidelines were obtained, along with population estimates and demographics (age and ethnicity). Frequencies of actionable PGx genotypes by ethnicity were obtained from the Pharmacogenomics Knowledgebase (PharmGKB). Annual dispensing activity for each of the 57 medications was calculated for the full population (all ages) and children/youth (0-19 years). Alberta ethnicity data were cross-referenced with genetic frequency data for each of the main ethnic groups from PharmGKB to estimate the proportion of individuals with actionable genotypes. Actionable genotype proportions and drug dispensing frequencies were collectively used to identify high impact gene-drug pairs. RESULTS We found (a) half of the drugs with PGx-based prescribing guidelines, namely, analgesics, proton pump inhibitors, psychotropics, and cardiovascular drugs, were dispensed at high frequencies (>1% of the entire population), (b) the dispensing rate for about one-third of these drugs increased over the 5-year study period, (c) between 1.1 and 45% of recipients of these drugs carried actionable genotypes, and (d) the gene-drug pairs with greatest impact in Alberta predominatly included CYP2C19 or CYP2D6. CONCLUSIONS We uncovered specific patterns in drug dispensing and identified important gene-drug pairs that will inform the planning and development of an evidenced-based PGx testing service in Alberta, Canada. Adaptation of our approach may facilitate the process of evidence-based PGx testing implementation in other jurisdictions.
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Affiliation(s)
- Mikayla Fan
- Biomedical Sciences, Cumming School of Medicine, University of Calgary, Calgary
| | - Mark C Yarema
- Poison and Drug Information Service, Alberta Health Services, Calgary
- Section of Clinical Pharmacology and Toxicology, Alberta Health Services, Calgary
- Department of Emergency Medicine, University of Calgary, Calgary
| | - Adrian Box
- Alberta Precision Laboratories, Alberta Health Services, Edmonton
- Department of Pathology and Laboratory Medicine, University of Calgary, Calgary
| | - Stacey Hume
- Alberta Precision Laboratories, Alberta Health Services, Edmonton
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton
| | - Katherine J Aitchison
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton
- Department of Psychiatry and Medical Genetics, University of Alberta, Edmonton
| | - Chad A Bousman
- Department of Medical Genetics, Psychiatry, Physiology and Pharmacology, University of Calgary, Calgary
- Alberta Children's Hospital Research Institute, Calgary
- Mathison Centre for Mental Health Research and Education, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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23
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Abdullah-Koolmees H, van Keulen AM, Nijenhuis M, Deneer VHM. Pharmacogenetics Guidelines: Overview and Comparison of the DPWG, CPIC, CPNDS, and RNPGx Guidelines. Front Pharmacol 2021; 11:595219. [PMID: 33568995 PMCID: PMC7868558 DOI: 10.3389/fphar.2020.595219] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 10/30/2020] [Indexed: 12/12/2022] Open
Abstract
Many studies have shown that the efficacy and risk of side effects of drug treatment is influenced by genetic variants. Evidence based guidelines are essential for implementing pharmacogenetic knowledge in daily clinical practice to optimize pharmacotherapy of individual patients. A literature search was performed to select committees developing guidelines with recommendations being published in English. The Dutch Pharmacogenetics Working Group (DPWG), the Clinical Pharmacogenetics Implementation Consortium (CPIC), the Canadian Pharmacogenomics Network for Drug Safety (CPNDS), and the French National Network (Réseau) of Pharmacogenetics (RNPGx) were selected. Their guidelines were compared with regard to the methodology of development, translation of genotypes to predicted phenotypes, pharmacotherapeutic recommendations and recommendations on genotyping. A detailed overview of all recommendations for gene-drug combinations is given. The committees have similar methodologies of guideline development. However, the objectives differed at the start of their projects, which have led to unique profiles and strengths of their guidelines. DPWG and CPIC have a main focus on pharmacotherapeutic recommendations for a large number of drugs in combination with a patient’s genotype or predicted phenotype. DPWG, CPNDS and RNPGx also recommend on performing genetic testing in daily clinical practice, with RNPGx even describing specific clinical settings or medical conditions for which genotyping is recommended. Discordances exist, however committees also initiated harmonizing projects. The outcome of a consensus project was to rename “extensive metabolizer (EM)” to “normal metabolizer (NM)”. It was decided to translate a CYP2D6 genotype with one nonfunctional allele (activity score 1.0) into the predicted phenotype of intermediate metabolizer (IM). Differences in recommendations are the result of the methodologies used, such as assessment of dose adjustments of tricyclic antidepressants. In some cases, indication or dose specific recommendations are given for example for clopidogrel, codeine, irinotecan. The following drugs have recommendations on genetic testing with the highest level: abacavir (HLA), clopidogrel (CYP2C19), fluoropyrimidines (DPYD), thiopurines (TPMT), irinotecan (UGT1A1), codeine (CYP2D6), and cisplatin (TPMT). The guidelines cover many drugs and genes, genotypes, or predicted phenotypes. Because of this and their unique features, considering the totality of guidelines are of added value. In conclusion, many evidence based pharmacogenetics guidelines with clear recommendations are available for clinical decision making by healthcare professionals, patients and other stakeholders.
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Affiliation(s)
- Heshu Abdullah-Koolmees
- Division of Laboratories, Pharmacy, and Biomedical Genetics, Department of Clinical Pharmacy, University Medical Center Utrecht, Utrecht, Netherlands
| | - Antonius M van Keulen
- Division of Pharmacoepidemiology and Clinical Pharmacology, Department of Pharmaceutical Sciences, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
| | - Marga Nijenhuis
- Royal Dutch Pharmacists Association (KNMP), Hague, Netherlands
| | - Vera H M Deneer
- Division of Laboratories, Pharmacy, and Biomedical Genetics, Department of Clinical Pharmacy, University Medical Center Utrecht, Utrecht, Netherlands.,Division of Pharmacoepidemiology and Clinical Pharmacology, Department of Pharmaceutical Sciences, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
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24
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Nicholson WT, Formea CM, Matey ET, Wright JA, Giri J, Moyer AM. Considerations When Applying Pharmacogenomics to Your Practice. Mayo Clin Proc 2021; 96:218-230. [PMID: 33308868 DOI: 10.1016/j.mayocp.2020.03.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 02/24/2020] [Accepted: 03/17/2020] [Indexed: 10/22/2022]
Abstract
Many practitioners who have not had pharmacogenomic education are required to apply pharmacogenomics to their practices. Although many aspects of pharmacogenomics are similar to traditional concepts of drug-drug interactions, there are some differences. We searched PubMed with the search terms pharmacogenomics and pharmacogenetics (January 1, 2005, through December 31, 2019) and selected articles that supported the application of pharmacogenomics to practice. For inclusion, we gave preference to national and international consortium guidelines for implementation of pharmacogenomics. We discuss special considerations important in the application of pharmacogenomics to assist clinicians with ordering, interpreting, and applying pharmacogenomics in their practices.
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Affiliation(s)
- Wayne T Nicholson
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN.
| | - Christine M Formea
- Intermountain Healthcare Department of Pharmacy Services Pharmacy Services, Salt Lake City, UT; Intermountain Precision Genomics, Intermountain Healthcare, St George, UT
| | - Eric T Matey
- Department of Pharmacy, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN
| | - Jessica A Wright
- Department of Pharmacy, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN
| | - Jyothsna Giri
- Mayo Clinic Center for Individualized Medicine, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN
| | - Ann M Moyer
- Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, MN
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25
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Brown JT, Ramsey LB, Van Driest SL, Aka I, Colace SI. Characterizing Pharmacogenetic Testing Among Children's Hospitals. Clin Transl Sci 2020; 14:692-701. [PMID: 33325650 PMCID: PMC7993279 DOI: 10.1111/cts.12931] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 10/12/2020] [Indexed: 12/27/2022] Open
Abstract
Although pharmacogenetic testing is becoming increasingly common across medical subspecialties, a broad range of utilization and implementation exists across pediatric centers. Large pediatric institutions that routinely use pharmacogenetics in their patient care have published their practices and experiences; however, minimal data exist regarding the full spectrum of pharmacogenetic implementation among children’s hospitals. The primary objective of this nationwide survey was to characterize the availability, concerns, and barriers to pharmacogenetic testing in children’s hospitals in the Children’s Hospital Association. Initial responses identifying a contact person were received from 18 institutions. Of those 18 institutions, 14 responses (11 complete and 3 partial) to a more detailed survey regarding pharmacogenetic practices were received. The majority of respondents were from urban institutions (72%) and held a Doctor of Pharmacy degree (67%). Among all respondents, the three primary barriers to implementing pharmacogenetic testing identified were test reimbursement, test cost, and money. Conversely, the three least concerning barriers were potential for genetic discrimination, sharing results with family members, and availability of tests in certified laboratories. Low‐use sites rated several barriers significantly higher than the high‐use sites, including knowledge of pharmacogenetics (P = 0.03), pharmacogenetic interpretations (P = 0.04), and pharmacogenetic‐based changes to therapy (P = 0.03). In spite of decreasing costs of pharmacogenetic testing, financial barriers are one of the main barriers perceived by pediatric institutions attempting clinical implementation. Low‐use sites may also benefit from education/outreach in order to reduce perceived barriers to implementation.
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Affiliation(s)
- Jacob T Brown
- Department of Pharmacy Practice and Pharmaceutical Sciences, College of Pharmacy, University of Minnesota Duluth, Duluth, Minnesota, USA
| | - Laura B Ramsey
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Divisions of Research in Patient Services and Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Sara L Van Driest
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Ida Aka
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Susan I Colace
- Department of Pediatrics, Nationwide Children's Hospital, Columbus, Ohio, USA
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26
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Kam H, Jeong H. Pharmacogenomic Biomarkers and Their Applications in Psychiatry. Genes (Basel) 2020; 11:genes11121445. [PMID: 33266292 PMCID: PMC7760818 DOI: 10.3390/genes11121445] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/27/2020] [Accepted: 11/27/2020] [Indexed: 12/13/2022] Open
Abstract
Realizing the promise of precision medicine in psychiatry is a laudable and beneficial endeavor, since it should markedly reduce morbidity and mortality and, in effect, alleviate the economic and social burden of psychiatric disorders. This review aims to summarize important issues on pharmacogenomics in psychiatry that have laid the foundation towards personalized pharmacotherapy and, in a broader sense, precision medicine. We present major pharmacogenomic biomarkers and their applications in a variety of psychiatric disorders, such as depression, attention-deficit/hyperactivity disorder (ADHD), narcolepsy, schizophrenia, and bipolar disorder. In addition, we extend the scope into epilepsy, since antiepileptic drugs are widely used to treat psychiatric disorders, although epilepsy is conventionally considered to be a neurological disorder.
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27
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Liu Y, Wang L, Wan F, Yang N. Effects of Anisodine Hydrobromide on the Cardiovascular and Respiratory Functions in Conscious Dogs. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:4263-4276. [PMID: 33116414 PMCID: PMC7569038 DOI: 10.2147/dddt.s268113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/23/2020] [Indexed: 11/23/2022]
Abstract
Purpose Anisodine hydrobromide (Ani) is isolated from the medicinal plant Anisodus tanguticus (Maxim.) Pascher for clinical use. Although considerable research regarding Ani has been reported, the safety profiles of Ani are currently unknown. This study investigated the cardiorespiratory effects of Ani in conscious dogs to provide clinicians a detailed safety profile of Ani on the cardiorespiratory system. Materials and Methods Using the Latin square design, the study was divided into six phases, where in each phase, six telemetered beagle dogs received one dose of normal saline or sotalol hydrochloride or Ani (0.1, 0.4, 1.6, or 6.4 mg/kg). Electrocardiogram, blood pressure (BP) and respiratory parameters were collected before and after administration for 24 hours. Statistical comparisons were performed at scheduled time-points. Results The heart rate was significantly increased, PR and QTCV intervals were significantly shortened in Ani 0.4, 1.6, 6.4 mg/kg treatment group after drug administration. Compared with the saline group, a significant increase in heart rate and shortening of PR, QTCV intervals were observed in the Ani 1.6, 6.4 mg/kg treatment groups from 5 min to 4 h time-points. Diastolic and mean BP were significantly increased in Ani 1.6, 6.4 mg/kg from 1 h to 2 h time-points compared to those of the saline control. Accelerated breathing was observed in the first 20 min after Ani 0.4, 1.6, and 6.4 mg/kg treatment, although not statistically significant. Furthermore, no significant differences were observed in any of the corresponding indexes of Ani 0.1 mg/kg treatment group at different time-points compared to those of the saline group. Conclusion Ani may have adverse effects on the cardio-respiratory systems of dogs at doses above 0.4 mg/kg, whereas Ani 0.1 mg/kg was devoid of potentially deleterious effects on cardiorespiratory function.
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Affiliation(s)
- Yunlu Liu
- Institute of Laboratory Animal Sciences, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, People's Republic of China.,Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, People's Republic of China
| | - Lin Wang
- Institute of Laboratory Animal Sciences, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, People's Republic of China
| | - Feng Wan
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Na Yang
- Institute of Laboratory Animal Sciences, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, People's Republic of China
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28
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López-Cortés A, Paz-Y-Miño C, Guerrero S, Cabrera-Andrade A, Barigye SJ, Munteanu CR, González-Díaz H, Pazos A, Pérez-Castillo Y, Tejera E. OncoOmics approaches to reveal essential genes in breast cancer: a panoramic view from pathogenesis to precision medicine. Sci Rep 2020; 10:5285. [PMID: 32210335 PMCID: PMC7093549 DOI: 10.1038/s41598-020-62279-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 03/02/2020] [Indexed: 02/06/2023] Open
Abstract
Breast cancer (BC) is the leading cause of cancer-related death among women and the most commonly diagnosed cancer worldwide. Although in recent years large-scale efforts have focused on identifying new therapeutic targets, a better understanding of BC molecular processes is required. Here we focused on elucidating the molecular hallmarks of BC heterogeneity and the oncogenic mutations involved in precision medicine that remains poorly defined. To fill this gap, we established an OncoOmics strategy that consists of analyzing genomic alterations, signaling pathways, protein-protein interactome network, protein expression, dependency maps in cell lines and patient-derived xenografts in 230 previously prioritized genes to reveal essential genes in breast cancer. As results, the OncoOmics BC essential genes were rationally filtered to 140. mRNA up-regulation was the most prevalent genomic alteration. The most altered signaling pathways were associated with basal-like and Her2-enriched molecular subtypes. RAC1, AKT1, CCND1, PIK3CA, ERBB2, CDH1, MAPK14, TP53, MAPK1, SRC, RAC3, BCL2, CTNNB1, EGFR, CDK2, GRB2, MED1 and GATA3 were essential genes in at least three OncoOmics approaches. Drugs with the highest amount of clinical trials in phases 3 and 4 were paclitaxel, docetaxel, trastuzumab, tamoxifen and doxorubicin. Lastly, we collected ~3,500 somatic and germline oncogenic variants associated with 50 essential genes, which in turn had therapeutic connectivity with 73 drugs. In conclusion, the OncoOmics strategy reveals essential genes capable of accelerating the development of targeted therapies for precision oncology.
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Affiliation(s)
- Andrés López-Cortés
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Mariscal Sucre Avenue, Quito, 170129, Ecuador.
- RNASA-IMEDIR, Computer Science Faculty, University of A Coruna, A Coruna, 15071, Spain.
- Red Latinoamericana de Implementación y Validación de Guías Clínicas Farmacogenómicas (RELIVAF-CYTED), Quito, Ecuador.
| | - César Paz-Y-Miño
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Mariscal Sucre Avenue, Quito, 170129, Ecuador
| | - Santiago Guerrero
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Mariscal Sucre Avenue, Quito, 170129, Ecuador
| | - Alejandro Cabrera-Andrade
- RNASA-IMEDIR, Computer Science Faculty, University of A Coruna, A Coruna, 15071, Spain
- Carrera de Enfermería, Facultad de Ciencias de la Salud, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador
- Grupo de Bio-Quimioinformática, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador
| | - Stephen J Barigye
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, QC, H3A 0B8, Canada
| | - Cristian R Munteanu
- RNASA-IMEDIR, Computer Science Faculty, University of A Coruna, A Coruna, 15071, Spain
- Biomedical Research Institute of A Coruña (INIBIC), University Hospital Complex of A Coruna (CHUAC), A Coruna, 15006, Spain
- Centro de Investigación en Tecnologías de la Información y las Comunicaciones (CITIC), Campus de Elviña s/n, A Coruna, 15071, Spain
| | - Humberto González-Díaz
- Department of Organic Chemistry II, University of the Basque Country UPV/EHU, Leioa, 48940, Biscay, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, 48011, Biscay, Spain
| | - Alejandro Pazos
- RNASA-IMEDIR, Computer Science Faculty, University of A Coruna, A Coruna, 15071, Spain
- Biomedical Research Institute of A Coruña (INIBIC), University Hospital Complex of A Coruna (CHUAC), A Coruna, 15006, Spain
- Centro de Investigación en Tecnologías de la Información y las Comunicaciones (CITIC), Campus de Elviña s/n, A Coruna, 15071, Spain
| | - Yunierkis Pérez-Castillo
- Grupo de Bio-Quimioinformática, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador
- Escuela de Ciencias Físicas y Matemáticas, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador
| | - Eduardo Tejera
- Grupo de Bio-Quimioinformática, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador.
- Facultad de Ingeniería y Ciencias Agropecuarias, Universidad de Las Américas, Avenue de los Granados, Quito, 170125, Ecuador.
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Giri J, Moyer AM, Bielinski SJ, Caraballo PJ. Concepts Driving Pharmacogenomics Implementation Into Everyday Healthcare. Pharmgenomics Pers Med 2019; 12:305-318. [PMID: 31802928 PMCID: PMC6826176 DOI: 10.2147/pgpm.s193185] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 10/07/2019] [Indexed: 12/13/2022] Open
Abstract
Pharmacogenomics (PGx) is often promoted as the domain of precision medicine with the greatest potential to readily impact everyday healthcare. Rapid advances in PGx knowledge derived from extensive basic and clinical research along with decreasing costs of laboratory testing have led to an increased interest in PGx and expectations of imminent clinical translation with substantial clinical impact. However, the implementation of PGx into clinical workflows is neither simple nor straightforward, and comprehensive processes and multidisciplinary collaboration are required. Several national and international institutions have pioneered models for implementing clinical PGx, and these initial models have led to a better understanding of unresolved challenges. In this review, we have categorized and explored the most relevant of these challenges to highlight potential gaps and present possible solutions. We describe the ongoing need for basic and clinical research to drive further developments in evidence-based medicine. Integration into daily clinical workflows introduces new challenges requiring innovative solutions; specifically those related to the electronic health record and embedded clinical decision support. We describe advances in PGx testing and result reporting and describe the critical need for increased standardization in these areas across laboratories. We also explore the complexity of the PGx knowledge required for clinical practice and the need for educational strategies to ensure adequate understanding among members of current and future healthcare teams. Finally, we evaluate knowledge obtained from previous implementation efforts and discuss how to best apply these learnings to future projects. Despite these challenges, the future of precision medicine appears promising due to the rapidity of recent advances in the field and current multidisciplinary efforts to effectively translate PGx to everyday clinical practice.
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Affiliation(s)
- Jyothsna Giri
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ann M Moyer
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Pedro J Caraballo
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
- Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA
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30
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Pharmacogenomics, biomarker network, and allele frequencies in colorectal cancer. THE PHARMACOGENOMICS JOURNAL 2019; 20:136-158. [PMID: 31616044 DOI: 10.1038/s41397-019-0102-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 09/09/2019] [Accepted: 10/02/2019] [Indexed: 02/06/2023]
Abstract
Colorectal cancer is one of the leading causes of cancer death worldwide. Over the last decades, several studies have shown that tumor-related genomic alterations predict tumor prognosis, drug response, and toxicity. These observations have led to the development of several therapies based on individual genomic profiles. As part of these approaches, pharmacogenomics analyses genomic alterations which may predict an efficient therapeutic response. Studying these mutations as biomarkers for predicting drug response is of a great interest to improve precision medicine. We conduct a comprehensive review of the main pharmacogenomics biomarkers and genomic alterations affecting enzyme activity, transporter capacity, channels, and receptors; and therefore the new advances in CRC precision medicine to select the best therapeutic strategy in populations worldwide, with a focus on Latin America.
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31
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Caudle KE, Gammal RS, Karnes JH, Afanasjeva J, Anderson KC, Barreto EF, Beavers C, Bhat S, Birrer KL, Chahine EB, Ensor CR, Flowers SA, Formea CM, George JM, Gosser RA, Hebert MF, Karaoui LR, Kolpek JH, Lee JC, Leung JG, Maldonado AQ, Minze MG, Pulk RA, Shelton CM, Sheridan M, Smith MA, Soefje S, Tellez-Corrales E, Walko CM, Cavallari LH. PRN OPINION PAPER: Application of precision medicine across pharmacy specialty areas. JOURNAL OF THE AMERICAN COLLEGE OF CLINICAL PHARMACY 2019. [DOI: 10.1002/jac5.1107] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Kelly E. Caudle
- Department of Pharmaceutical Sciences; St. Jude Children's Research Hospital; Memphis Tennessee
| | - Roseann S. Gammal
- Department of Pharmaceutical Sciences; St. Jude Children's Research Hospital; Memphis Tennessee
- Department of Pharmacy Practice; MCPHS University School of Pharmacy; Boston Massachusetts
| | - Jason H. Karnes
- Department of Pharmacy Practice and Science; University of Arizona College of Pharmacy; Tucson Arizona
| | - Janna Afanasjeva
- Drug Information Group; University of Illinois College of Pharmacy; Chicago Illinois
| | | | - Erin F. Barreto
- Department of Pharmacy; Mayo Clinic; Rochester Minnesota
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery; Mayo Clinic; Rochester Minnesota
| | - Craig Beavers
- Department of Pharmacy Service; University of Kentucky Healthcare; Lexington Kentucky
- Department of Pharmacy Practice & Science; University of Kentucky College of Pharmacy; Lexington Kentucky
| | - Shubha Bhat
- Department of Pharmacy; Boston Medical Center; Boston Massachusetts
| | - Kara L. Birrer
- Pharmacy Services, Orlando Regional Medical Center/Orlando Health; Orlando Florida
| | - Elias B. Chahine
- Department of Pharmacy Practice; Palm Beach Atlantic University Lloyd L. Gregory School of Pharmacy; West Palm Beach Florida
| | | | - Stephanie A. Flowers
- Department of Pharmacy Practice; University of Illinois at Chicago; Chicago Illinois
| | | | - Jomy M. George
- Clinical Pharmacokinetics Research Unit, Clinical Center Pharmacy; National Institutes of Health; Bethesda Maryland
| | - Rena A. Gosser
- Department of Pharmacy; University of Washington Medicine; Seattle Washington
| | - Mary F. Hebert
- Departments of Pharmacy and Obstetrics & Gynecology; University of Washington; Seattle Washington
| | - Lamis R. Karaoui
- Department of Pharmacy Practice; Lebanese American University School of Pharmacy; Byblos Lebanon
| | - Jimmi Hatton Kolpek
- Department of Pharmacy Practice & Science; University of Kentucky College of Pharmacy; Lexington Kentucky
| | - James C. Lee
- Department of Pharmacy Practice; University of Illinois at Chicago; Chicago Illinois
| | | | - Angela Q. Maldonado
- Department of Transplant Surgery; Vidant Medical Center; Greenville North Carolina
| | - Molly G. Minze
- Department of Pharmacy Practice; Texas Tech University Health Sciences Center School of Pharmacy; Abilene Texas
| | - Rebecca A. Pulk
- Corporate Pharmacy Services; Yale New Haven Health; New Haven Connecticut
| | - Chasity M. Shelton
- Department of Clinical Pharmacy and Translational Science; The University of Tennessee Health Science Center; Memphis Tennessee
| | | | - Michael A. Smith
- Department of Clinical Pharmacy; University of Michigan; Ann Arbor Michigan
| | - Scott Soefje
- Department of Pharmacy Services; Mayo Clinic; Rochester Minnesota
| | - Eglis Tellez-Corrales
- Department Pharmacy Practice, College of Pharmacy; Marshall B Ketchum University; Fullerton California
| | - Christine M. Walko
- DeBartolo Family Personalized Medicine Institute, Moffitt Cancer Center; Tampa Florida
- Department of Oncologic Sciences, Morsani College of Medicine; University of South Florida; Tampa Florida
| | - Larisa H. Cavallari
- Department of Pharmacotherapy and Translational Research and Center for Pharmacogenomics; University of Florida; Gainesville Florida
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32
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Hočevar K, Maver A, Peterlin B. Actionable Pharmacogenetic Variation in the Slovenian Genomic Database. Front Pharmacol 2019; 10:240. [PMID: 30930780 PMCID: PMC6428035 DOI: 10.3389/fphar.2019.00240] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 02/26/2019] [Indexed: 12/28/2022] Open
Abstract
Background: Genetic variability in some of the genes that affect absorption, distribution, metabolism, and elimination ("pharmacogenes") can significantly influence an individual's response to the drug and consequently the effectiveness of treatment and possible adverse drug events. The rapid development of sequencing methods in recent years and consequently the increased integration of next-generation sequencing technologies into the clinical settings has enabled extensive genotyping of pharmacogenes for personalized treatment. The aim of the present study was to investigate the frequency and variety of potentially actionable pharmacogenetic findings in the Slovenian population. Methods: De-identified data from diagnostic exome sequencing in 1904 cases submitted to our institution were analyzed for variants within 293 genes associated with drug response. Filtered variants were classified according to population frequency, variant type, the functional impact of the variant, pathogenicity predictions and characterization in the Pharmacogenomics Knowledgebase (PharmGKB) and ClinVar. Results: We observed a total of 24 known actionable pharmacogenetic variants (PharmGKB 1A or 1B level of evidence), comprising approximately 26 drugs, of which, 12 were rare, with the population frequency below 1%. Furthermore, we identified an additional 61 variants with PharmGKB 2A or 2B clinical annotations. We detected 308 novel/rare potentially actionable variants: 177 protein-truncating variants and 131 missense variants predicted to be pathogenic based on several pathogenicity predictions. Conclusion: In the present study, we estimated the burden of pharmacogenetic variants in nationally based exome sequencing data and investigated the potential clinical usefulness of detected findings for personalized treatment. We provide the first comprehensive overview of known pharmacogenetic variants in the Slovenian population, as well as reveal a great proportion of novel/rare variants with a potential to influence drug response.
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Affiliation(s)
- Keli Hočevar
- Clinical Institute of Medical Genetics, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Aleš Maver
- Clinical Institute of Medical Genetics, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Borut Peterlin
- Clinical Institute of Medical Genetics, University Medical Centre Ljubljana, Ljubljana, Slovenia
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Barbarino JM, Whirl‐Carrillo M, Altman RB, Klein TE. PharmGKB: A worldwide resource for pharmacogenomic information. WILEY INTERDISCIPLINARY REVIEWS. SYSTEMS BIOLOGY AND MEDICINE 2018; 10:e1417. [PMID: 29474005 PMCID: PMC6002921 DOI: 10.1002/wsbm.1417] [Citation(s) in RCA: 175] [Impact Index Per Article: 29.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/19/2017] [Accepted: 12/19/2017] [Indexed: 01/04/2023]
Abstract
As precision medicine becomes increasingly relevant in healthcare, the field of pharmacogenomics (PGx) also continues to gain prominence in the clinical setting. Leading institutions have begun to implement PGx testing and the amount of published PGx literature increases yearly. The Pharmacogenomics Knowledgebase (PharmGKB; www.pharmgkb.org) is one of the foremost worldwide resources for PGx knowledge, and the organization has been adapting and refocusing its mission along with the current revolution in genomic medicine. The PharmGKB website provides a diverse array of PGx information, from annotations of the primary literature to guidelines for adjusting drug treatment based on genetic information. It is freely available and accessible to everyone from researchers to clinicians to everyday citizens. PharmGKB was found over 17 years ago, but continues to be a vital resource for the entire PGx community and the general public. This article is categorized under: Translational, Genomic, and Systems Medicine > Translational Medicine.
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Affiliation(s)
- Julia M. Barbarino
- Department of Biomedical Data SciencesStanford UniversityStanfordCalifornia
| | | | - Russ B. Altman
- Department of Biomedical EngineeringStanford UniversityStanfordCalifornia
- Department of GeneticsStanford UniversityStanfordCalifornia
| | - Teri E. Klein
- Department of Biomedical Data SciencesStanford UniversityStanfordCalifornia
- Department of MedicineStanford UniversityStanfordCalifornia
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Huang KM, Hu S, Sparreboom A. Drug transporters and anthracycline-induced cardiotoxicity. Pharmacogenomics 2018; 19:883-888. [DOI: 10.2217/pgs-2018-0056] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The solute carrier superfamily comprises of uptake transporters that can contribute to the absorption and elimination of a broad array of clinically important drugs. Recent studies have suggested that the tissue-specific expression of these transporters may have important consequences for an individual's susceptibility to drug-induced organ damage or to drug–drug interactions. Polymorphic variants have been identified in genes encoded by this family, and some of these have been associated with functional changes in transport function and response to anthracycline-induced toxicity and efficacy. Here, we review recent advances in the role solute carrier transporters play in anthracycline-induced cardiotoxicity, highlight potential implications of genetic variants that may contribute to drug response and discuss novel technologies to study mechanisms of anthracycline transport.
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Affiliation(s)
- Kevin M Huang
- Division of Pharmaceutics & Pharmaceutical Chemistry, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Shuiying Hu
- Division of Pharmaceutics & Pharmaceutical Chemistry, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
| | - Alex Sparreboom
- Division of Pharmaceutics & Pharmaceutical Chemistry, College of Pharmacy & Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210, USA
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Tricco AC, Zarin W, Lillie E, Jeblee S, Warren R, Khan PA, Robson R, Pham B, Hirst G, Straus SE. Utility of social media and crowd-intelligence data for pharmacovigilance: a scoping review. BMC Med Inform Decis Mak 2018; 18:38. [PMID: 29898743 PMCID: PMC6001022 DOI: 10.1186/s12911-018-0621-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 05/31/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND A scoping review to characterize the literature on the use of conversations in social media as a potential source of data for detecting adverse events (AEs) related to health products. METHODS Our specific research questions were (1) What social media listening platforms exist to detect adverse events related to health products, and what are their capabilities and characteristics? (2) What is the validity and reliability of data from social media for detecting these adverse events? MEDLINE, EMBASE, Cochrane Library, and relevant websites were searched from inception to May 2016. Any type of document (e.g., manuscripts, reports) that described the use of social media data for detecting health product AEs was included. Two reviewers independently screened citations and full-texts, and one reviewer and one verifier performed data abstraction. Descriptive synthesis was conducted. RESULTS After screening 3631 citations and 321 full-texts, 70 unique documents with 7 companion reports available from 2001 to 2016 were included. Forty-six documents (66%) described an automated or semi-automated information extraction system to detect health product AEs from social media conversations (in the developmental phase). Seven pre-existing information extraction systems to mine social media data were identified in eight documents. Nineteen documents compared AEs reported in social media data with validated data and found consistent AE discovery in all except two documents. None of the documents reported the validity and reliability of the overall system, but some reported on the performance of individual steps in processing the data. The validity and reliability results were found for the following steps in the data processing pipeline: data de-identification (n = 1), concept identification (n = 3), concept normalization (n = 2), and relation extraction (n = 8). The methods varied widely, and some approaches yielded better results than others. CONCLUSIONS Our results suggest that the use of social media conversations for pharmacovigilance is in its infancy. Although social media data has the potential to supplement data from regulatory agency databases; is able to capture less frequently reported AEs; and can identify AEs earlier than official alerts or regulatory changes, the utility and validity of the data source remains under-studied. TRIAL REGISTRATION Open Science Framework ( https://osf.io/kv9hu/ ).
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Affiliation(s)
- Andrea C. Tricco
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
- Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, 6th Floor, 155 College St, Toronto, ON M5T 3M7 Canada
| | - Wasifa Zarin
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Erin Lillie
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Serena Jeblee
- Department of Computer Science, University of Toronto, 10 King’s College Road, Toronto, ON M5S 3G4 Canada
| | - Rachel Warren
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Paul A. Khan
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Reid Robson
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Ba’ Pham
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
| | - Graeme Hirst
- Department of Computer Science, University of Toronto, 10 King’s College Road, Toronto, ON M5S 3G4 Canada
| | - Sharon E. Straus
- Li Ka Shing Knowledge Institute of St. Michael’s Hospital, 209 Victoria Street, East Building, Toronto, ON M5B 1W8 Canada
- Department of Geriatric Medicine, Faculty of Medicine, University of Toronto, 27 Kings College Circle, Toronto, ON M5S 1A1 Canada
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Caraballo PJ, Bielinski SJ, St. Sauver JL, Weinshilboum RM. Electronic Medical Record-Integrated Pharmacogenomics and Related Clinical Decision Support Concepts. Clin Pharmacol Ther 2017; 102:254-264. [DOI: 10.1002/cpt.707] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 03/28/2017] [Accepted: 04/03/2017] [Indexed: 12/22/2022]
Affiliation(s)
- PJ Caraballo
- Division of General Internal Medicine; Department of Medicine, Mayo Clinic; Rochester Minnesota USA
- Office of Information and Knowledge Management; Mayo Clinic; Rochester Minnesota USA
| | - SJ Bielinski
- Division of Epidemiology; Department of Health Sciences Research, Mayo Clinic; Rochester Minnesota USA
| | - JL St. Sauver
- Division of Epidemiology; Department of Health Sciences Research, Mayo Clinic; Rochester Minnesota USA
- Center for the Science of Health Care Delivery; Mayo Clinic; Rochester Minnesota USA
| | - RM Weinshilboum
- Division of Clinical Pharmacology; Departments of Molecular Pharmacology and Experimental Therapeutics & Medicine, Mayo Clinic; Rochester Minnesota USA
- Center for Individualized Medicine; Mayo Clinic; Rochester Minnesota USA
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López-Cortés A, Guerrero S, Redal MA, Alvarado AT, Quiñones LA. State of Art of Cancer Pharmacogenomics in Latin American Populations. Int J Mol Sci 2017; 18:E639. [PMID: 28545225 PMCID: PMC5485925 DOI: 10.3390/ijms18060639] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 03/07/2017] [Accepted: 03/10/2017] [Indexed: 12/22/2022] Open
Abstract
Over the past decades, several studies have shown that tumor-related somatic and germline alterations predicts tumor prognosis, drug response and toxicity. Latin American populations present a vast geno-phenotypic diversity due to the great interethnic and interracial mixing. This genetic flow leads to the appearance of complex characteristics that allow individuals to adapt to endemic environments, such as high altitude or extreme tropical weather. These genetic changes, most of them subtle and unexplored, could establish a mutational profile to develop new pharmacogenomic therapies specific for Latin American populations. In this review, we present the current status of research on somatic and germline alterations in Latin America compared to those found in Caucasian and Asian populations.
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Affiliation(s)
- Andrés López-Cortés
- Centro de Investigación Genética y Genómica, Facultad de Ciencias de la Salud Eugenio Espejo, Universidad Tecnológica Equinoccial, Quito 170527, Ecuador.
| | - Santiago Guerrero
- Gene Regulation, Stem Cells and Cancer Programme, Centre for Genomic Regulation (CRG), The Barcelona Institute for Science and Technology, Universitat Pompeu Fabra (UPF), Barcelona 08003, Spain.
| | - María Ana Redal
- Instituto de Fisiopatología y Bioquímica Clínica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Centro de Diagnóstico Molecular, MEDgenomica, Buenos Aires 1000-1499, Argentina.
| | - Angel Tito Alvarado
- Unidad de Bioequivalencia y Medicina Personalizada, Facultad de Medicina, Universidad de San Martín de Porres, Lima 12, Peru.
| | - Luis Abel Quiñones
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology, Faculty of Medicine, University of Chile, Santiago 70111, Chile.
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Abstract
It is well established that variations in genes can alter the pharmacokinetic and pharmacodynamic profile of a drug and immunological responses to it. Early advances in pharmacogenetics were made with traditional genetic techniques such as functional cloning of genes using knowledge gained from purified proteins, and candidate gene analysis. Over the past decade, techniques for analysing the human genome have accelerated greatly as knowledge and technological capabilities have grown. These techniques were initially focussed on understanding genetic factors of disease, but increasingly they are helping to clarify the genetic basis of variable drug responses and adverse drug reactions (ADRs). We examine genetic methods that have been applied to the understanding of ADRs, review the current state of knowledge of genetic factors that influence ADR development, and discuss how the application of genome-wide association studies and next-generation sequencing approaches is supporting and extending existing knowledge of pharmacogenetic processes leading to ADRs. Such approaches have identified single genes that are major contributing genetic risk factors for an ADR, (such as flucloxacillin and drug-induced liver disease), making pre-treatment testing a possibility. They have contributed to the identification of multiple genetic determinants of a single ADR, some involving both pharmacologic and immunological processes (such as phenytoin and severe cutaneous adverse reactions). They have indicated that rare genetic variants, often not previously reported, are likely to have more influence on the phenotype than common variants that have been traditionally tested for. The problem of genotype/phenotype discordance affecting the interpretation of pharmacogenetic screening and the future of genome-based testing applied to ADRs are also discussed.
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Sing CW, Cheung CL, Wong ICK. Pharmacogenomics--how close/far are we to practising individualized medicine for children? Br J Clin Pharmacol 2015; 79:419-28. [PMID: 25855823 DOI: 10.1111/bcp.12338] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
The translation of pharmacogenomics into clinical practice is a key approach for practising individualized medicine, which aims to maximize drug efficacy and minimize drug toxicity. Since the completion of both the Human Genome Project and the International HapMap project, the development of pharmacogenomics has been greatly facilitated. However, progress in translating pharmacogenomics into clinical practice, especially in paediatric medicine, is unexpectedly slow. Many challenges from different areas remain. This paper discusses the existing applications and the limitations to the implementation of paediatric pharmacogenomics, as well as possible solutions for overcoming these limitations and challenges.
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Kim SH, Naisbitt DJ. Update on Advances in Research on Idiosyncratic Drug-Induced Liver Injury. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2015; 8:3-11. [PMID: 26540496 PMCID: PMC4695405 DOI: 10.4168/aair.2016.8.1.3] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 04/13/2015] [Indexed: 12/12/2022]
Abstract
Drug-induced liver injury (DILI) is a major concern for public health, as well as for drug development in the pharmaceutical industry, since it can cause liver failure and lead to drug withdrawal from the market and black box warnings. Thus, it is important to identify biomarkers for early prediction to increase our understanding of mechanisms underlying DILI that will ultimately aid in the exploration of novel therapeutic strategies to prevent or manage DILI. DILI can be subdivided into 'intrinsic' and 'idiosyncratic' categories, although the validity of this classification remains controversial. Idiosyncratic DILI occurs in a minority of susceptible individuals with a prolonged latency, while intrinsic DILI results from drug-induced direct hepatotoxicity over the course of a few days. The rare occurrence of idiosyncratic DILI requires multicenter collaborative investigations and phenotype standardization. Recent progress in research on idiosyncratic DILI is based on key developments in 3 areas: (1) newly developed high-throughput genotyping across the whole genome allowing for the identification of genetic susceptibility markers, (2) new mechanistic concepts on the pathogenesis of DILI revealing a key role of drug-responsive T lymphocytes in the immunological response, and (3) broad multidisciplinary approaches using different platform "-omics" technologies that have identified novel biomarkers for the prediction of DILI. An association of a specific human leukocyte antigen (HLA) allele with DILI has been reported for several drugs. HLA-restricted T-cell immune responses have also been investigated using lymphocytes and T-cell clones isolated from patients. A microRNA, miR-122, has been discovered as a promising biomarker for the early prediction of DILI. In this review, we summarize recent advances in research on idiosyncratic DILI with an understanding of the key role of adaptive immune systems.
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Affiliation(s)
- Seung Hyun Kim
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Dean J Naisbitt
- MRC Centre for Drug Safety Science, Department of Clinical and Molecular Pharmacology, Sherrington Building, Ashton Street, The University of Liverpool, Liverpool, L69 3 GE, England.
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Jiang G, Liu H, Solbrig HR, Chute CG. Mining severe drug-drug interaction adverse events using Semantic Web technologies: a case study. BioData Min 2015; 8:12. [PMID: 25829948 PMCID: PMC4379609 DOI: 10.1186/s13040-015-0044-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 02/26/2015] [Indexed: 12/03/2022] Open
Abstract
Background Drug-drug interactions (DDIs) are a major contributing factor for unexpected adverse drug events (ADEs). However, few of knowledge resources cover the severity information of ADEs that is critical for prioritizing the medical need. The objective of the study is to develop and evaluate a Semantic Web-based approach for mining severe DDI-induced ADEs. Methods We utilized a normalized FDA Adverse Event Report System (AERS) dataset and performed a case study of three frequently prescribed cardiovascular drugs: Warfarin, Clopidogrel and Simvastatin. We extracted putative DDI-ADE pairs and their associated outcome codes. We developed a pipeline to filter the associations using ADE datasets from SIDER and PharmGKB. We also performed a signal enrichment using electronic medical records (EMR) data. We leveraged the Common Terminology Criteria for Adverse Event (CTCAE) grading system and classified the DDI-induced ADEs into the CTCAE in the Web Ontology Language (OWL). Results We identified 601 DDI-ADE pairs for the three drugs using the filtering pipeline, of which 61 pairs are in Grade 5, 56 pairs in Grade 4 and 484 pairs in Grade 3. Among 601 pairs, the signals of 59 DDI-ADE pairs were identified from the EMR data. Conclusions The approach developed could be generalized to detect the signals of putative severe ADEs induced by DDIs in other drug domains and would be useful for supporting translational and pharmacovigilance study of severe ADEs.
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Affiliation(s)
- Guoqian Jiang
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN USA
| | - Hongfang Liu
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN USA
| | - Harold R Solbrig
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN USA
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Bellgard MI, Sleeman MW, Guerrero FD, Fletcher S, Baynam G, Goldblatt J, Rubinstein Y, Bell C, Groft S, Barrero R, Bittles AH, Wilton SD, Mason CE, Weeramanthri T. Rare Disease Research Roadmap: Navigating the bioinformatics and translational challenges for improved patient health outcomes. HEALTH POLICY AND TECHNOLOGY 2014. [DOI: 10.1016/j.hlpt.2014.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Mooney SD. Progress towards the integration of pharmacogenomics in practice. Hum Genet 2014; 134:459-65. [PMID: 25238897 DOI: 10.1007/s00439-014-1484-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 08/20/2014] [Indexed: 12/12/2022]
Abstract
Understanding the role genes and genetic variants play in clinical treatment response continues to be an active area of research with the goal of common clinical use. This goal has developed into today's industry of pharmacogenomics, where new drug-gene relationships are discovered and further characterized, published and then curated into national and international resources for use by researchers and clinicians. These efforts have given us insight into what a pharmacogenomic variant is, and how it differs from human disease variants and common polymorphisms. While publications continue to reveal pharmacogenomic relationships between genes and specific classes of drugs, many challenges remain toward the goal of widespread use clinically. First, the clinical guidelines for pharmacogenomic testing are still in their infancy. Second, sequencing technologies are changing rapidly making it somewhat unclear what genetic data will be available to the clinician at the time of care. Finally, what and when to return data to a patient is an area under constant debate. New innovations such as PheWAS approaches and whole genome sequencing studies are enabling a tsunami of new findings. In this review, pharmacogenomic variants, pharmacogenomic resources, interpretation clinical guidelines and challenges, such as WGS approaches, and the impact of pharmacogenomics on drug development and regulatory approval are reviewed.
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Affiliation(s)
- Sean D Mooney
- Buck Institute for Research on Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA,
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Tricco AC, Cogo E, Angeliki VA, Soobiah C, Hutton B, Hemmelgarn BR, Moher D, Finkelstein Y, Straus SE. Comparative safety of anti-epileptic drugs among infants and children exposed in utero or during breastfeeding: protocol for a systematic review and network meta-analysis. Syst Rev 2014; 3:68. [PMID: 24964932 PMCID: PMC4086277 DOI: 10.1186/2046-4053-3-68] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 06/17/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Epilepsy affects about 1% of the general population. Anti-epileptic drugs (AEDs) prevent or terminate seizures in individuals with epilepsy. Pregnant women with epilepsy may continue taking AEDs. Many of these agents cross the placenta and increase the risk of major congenital malformations, early cognitive and developmental delays, and infant mortality. We aim to evaluate the comparative safety of AEDs approved for chronic use in Canada when administered to pregnant and breastfeeding women and the effects on their infants and children through a systematic review and network meta-analysis. METHODS Studies examining the effects of AEDs administered to pregnant and breastfeeding women regardless of indication (e.g., epilepsy, migraine, pain, psychiatric disorders) on their infants and children will be included. We will include randomized clinical trials (RCTs), quasi-RCTs, non-RCTs, controlled before-after, interrupted time series, cohort, registry, and case-control studies. The main literature search will be executed in MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials. We will seek unpublished literature through searches of trial protocol registries and conference abstracts. The literature search results screening, data abstraction, and risk of bias appraisal will be performed by two individuals, independently. Conflicts will be resolved through discussion. The risk of bias of experimental and quasi-experimental studies will be appraised using the Cochrane Effective Practice and Organization of Care Risk-of-Bias tool, methodological quality of observational studies will be appraised using the Newcastle-Ottawa Scale, and quality of reporting of safety outcomes will be conducted using the McMaster Quality Assessment Scale of Harms (McHarm) tool. If feasible and appropriate, we will conduct random effects meta-analysis. Network meta-analysis will be considered for outcomes that fulfill network meta-analysis assumptions.The primary outcome is major congenital malformations (overall and by specific types), while secondary outcomes include fetal loss/miscarriage, minor congenital malformations (overall and by specific types), cognitive development, psychomotor development, small for gestational age, preterm delivery, and neonatal seizures. DISCUSSION Our systematic review will address safety concerns regarding the use of AEDs during pregnancy and breastfeeding. Our results will be useful to healthcare providers, policy-makers, and women of childbearing age who are taking anti-epileptic medications. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42014008925.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Sharon E Straus
- Li Ka Shing Knowledge Institute, St, Michael's Hospital, 209 Victoria Street, East Building, Toronto, Ontario M5B 1 T8, Canada.
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Awada Z, Zgheib NK. Pharmacogenovigilance: a pharmacogenomics pharmacovigilance program. Pharmacogenomics 2014; 15:845-56. [DOI: 10.2217/pgs.14.44] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In this report, we review the importance of pharmacovigilance in detecting postmarketing adverse drug events and the potential for developing pharmacogenovigilance programs by integrating pharmacogenomics with pharmacovigilance. We propose to start developing such a program in primary healthcare systems that use basic features of electronic medical records and have access to large numbers of patients commonly prescribed drugs. Such programs, if carefully designed, may grow over time and hopefully enhance the collection and interpretation of useful data for the clinical applications of pharmacogenomics testing.
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Affiliation(s)
- Zeinab Awada
- Biomedical Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Nathalie Khoueiry Zgheib
- Department of Pharmacology & Toxicology, Faculty of Medicine, American University of Beirut, PO Box 11-0236, Riad El Solh, Beirut 1107 2020, Lebanon
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Predicting the Drug Safety for Traditional Chinese Medicine through a Comparative Analysis of Withdrawn Drugs Using Pharmacological Network. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:256782. [PMID: 23737823 PMCID: PMC3657406 DOI: 10.1155/2013/256782] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 04/07/2013] [Indexed: 11/20/2022]
Abstract
As the major issue to limit the use of drugs, drug safety leads to the attrition or failure in clinical trials of drugs. Therefore, it would be more efficient to minimize therapeutic risks if it could be predicted before large-scale clinical trials. Here, we integrated a network topology analysis with cheminformatics measurements on drug information from the DrugBank database to detect the discrepancies between approved drugs and withdrawn drugs and give drug safety indications. Thus, 47 approved drugs were unfolded with higher similarity measurements to withdrawn ones by the same target and confirmed to be already withdrawn or discontinued in certain countries or regions in subsequent investigations. Accordingly, with the 2D chemical fingerprint similarity calculation as a medium, the method was applied to predict pharmacovigilance for natural products from an in-house traditional Chinese medicine (TCM) database. Among them, Silibinin was highlighted for the high similarity to the withdrawn drug Plicamycin although it was regarded as a promising drug candidate with a lower toxicity in existing reports. In summary, the network approach integrated with cheminformatics could provide drug safety indications effectively, especially for compounds with unknown targets or mechanisms like natural products. It would be helpful for drug safety surveillance in all phases of drug development.
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Rassekh SR, Ross CJD, Carleton BC, Hayden MR. Cancer pharmacogenomics in children: research initiatives and progress to date. Paediatr Drugs 2013; 15:71-81. [PMID: 23529868 DOI: 10.1007/s40272-013-0021-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Over the last few decades, cure rates for pediatric cancer have increased dramatically, and now over 80 % of children with cancer are cured of their disease. This improvement in cure has come with a significant cost, with many children suffering irreversible, life-threatening, or long-lasting toxicities due to the medications required during their treatment. In the last 2 decades, major technological advances in genomics and the mapping of the human genome have made it possible to identify genetic differences between children in order to investigate differing responses to cancer therapy and to help explain why children treated with the same medications can have different outcomes. The emerging field of pharmacogenomics has had many important findings in pediatric cancer. The focus of this review is drug toxicity in pediatric cancer and the use of pharmacogenomics to reduce these adverse drug reactions, with a specific focus on thiopurines, methotrexate, cisplatin, vincristine and anthracyclines. Future areas of research and the need for international collaboration are discussed.
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Affiliation(s)
- Shahrad Rod Rassekh
- Department of Pediatrics, Division of Pediatric Hematology/Oncology/BMT, University of British Columbia, Vancouver, BC, Canada.
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Kasarskis A, Yang X, Schadt E. Integrative genomics strategies to elucidate the complexity of drug response. Pharmacogenomics 2012; 12:1695-715. [PMID: 22118053 DOI: 10.2217/pgs.11.115] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Pharmacogenomic investigation from both genome-wide association studies and experiments focused on candidate loci involved in drug mechanism and metabolism has yielded a substantial and increasing list of robust genetic effects on drug therapy in humans. At the same time, reasonably comprehensive molecular data such as gene expression, proteomic and metabolomic data are now available for collections of hundreds to thousands of individuals. If these data are structured in a statistically robust and computationally tractable way, such as a network model, they can aid in the analysis of new pharmacogenomics studies by suggesting novel hypotheses for the regulation of genes involved in drug metabolism and response. Similarly, hypotheses taken from these same models can direct genome-wide association studies by focusing the genome-wide association studies analysis on a number of specific hypotheses informed by the relationships customarily seen between a gene's expression or protein activity and genetic variation at a particular locus. Network models based on other sorts of systematic biological data such as cell-based surveys of drug effect on gene expression and mining of literature and electronic medical records for associations between clinical and molecular phenotypes also promise similar utility. Although surely primitive in comparison with what will be developed, these model-based approaches to leveraging the increasing volume of data generated in the course of patient care and medical research nevertheless suggest a huge opportunity to improve our understanding of biological systems involved in pharmacogenomics and apply them to questions of medical relevance.
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Rouchka EC, Flight RM, Homayouni R. Proceedings of the Tenth Annual UT-ORNL-KBRIN Bioinformatics Summit 2011. BMC Bioinformatics 2011; 12 Suppl 7:A1. [PMID: 21999392 PMCID: PMC3194199 DOI: 10.1186/1471-2105-12-s7-a1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Pirmohamed M. Pharmacogenetics: past, present and future. Drug Discov Today 2011; 16:852-61. [PMID: 21884816 DOI: 10.1016/j.drudis.2011.08.006] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2011] [Accepted: 08/16/2011] [Indexed: 12/15/2022]
Abstract
The subject area of pharmacogenetics, also known as pharmacogenomics, has a long history. Research in this area has led to fundamental discoveries, which have helped our understanding of the reasons why individuals differ in the way they handle drugs, and ultimately in the way they respond to drugs, either in terms of efficacy or toxicity. However, not much of this knowledge has been translated into clinical practice, most drug-gene associations that have some evidence of clinical validity have not progressed to clinical settings. Advances in genomics since 2000, including the ready availability of data on the variability of the human genome, have provided us with unprecedented opportunities to understand variability in drug responses, and the opportunity to incorporate this into patient care. This is only likely to occur with a systematic approach that evaluates and overcomes the different translational gaps in taking a biomarker from discovery to clinical practice. In this article, I explore the history of pharmacogenetics, appraise the current state of research in this area, and finish off with suggestions for progressing in the field in the future.
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Affiliation(s)
- Munir Pirmohamed
- The Wolfson Centre for Personalised Medicine, Department of Pharmacology, University of Liverpool, 1-5 Brownlow Street, Liverpool L693GL, UK.
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