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Kaur G, Nwabufo CK. Healthcare provider and patient perspectives on the implementation of pharmacogenetic-guided treatment in routine clinical practice. Pharmacogenet Genomics 2024:01213011-990000000-00067. [PMID: 38917295 DOI: 10.1097/fpc.0000000000000541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
OBJECTIVE This study aims to understand patient and healthcare provider perspectives on the integration and application of pharmacogenetics (PGx) testing in routine clinical practice. METHODS Two anonymous online surveys were distributed globally for healthcare providers and patients respectively on the Qualtrics platform (version 3.24). The surveys were distributed through social platforms, email, and posters with QR codes from 27 October 2023 to 7 March 2024. The surveys evaluated participant familiarity with PGx, previous experience with PGx testing, perceived implementation challenges, and opinions on point-of-care (PoC) PGx testing devices. RESULTS This study collected 78 responses from healthcare providers and 98 responses from patients. The results revealed that 64% of healthcare providers had some level of familiarity with PGx, however, PGx testing in clinical practice was low. The primary challenges identified by healthcare providers included limited access to testing and lack of knowledge on PGx test interpretation. In contrast, 52% of patient respondents were aware of PGx testing, with a significant association between awareness and positive opinions toward PGx. Both healthcare providers and patients recognized the value of PoC PGx testing devices, with 98% of healthcare providers and 71% of patients believing PoC devices would improve the accessibility and implementation of PGx testing. Comparative analysis revealed a statistically significant difference in PGx awareness between healthcare providers and patients, with providers being more informed. CONCLUSION Improved PGx awareness, training, clinical guidelines, and PoC PGx testing devices may help promote the implementation of PGx-guided treatments in routine clinical practice.
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Affiliation(s)
| | - Chukwunonso K Nwabufo
- OneDrug Inc
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto
- Program in Translational Medicine, Hospital for Sick Children, Toronto, Ontario, Canada
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Abdel‐latif R, Badji R, Mohammed S, Al‐Muftah W, Mbarek H, Darwish D, Assaf D, Al‐Badriyeh D, Elewa H, Afifi N, Masoodi NA, Omar AS, Al Suwaidi J, Bujassoum S, Al Hail M, Ismail SI, Althani A. QPGx-CARES: Qatar pharmacogenetics clinical applications and research enhancement strategies. Clin Transl Sci 2024; 17:e13800. [PMID: 38818903 PMCID: PMC11140449 DOI: 10.1111/cts.13800] [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: 02/26/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 06/01/2024] Open
Abstract
Pharmacogenetic (PGx)-informed medication prescription is a cutting-edge genomic application in contemporary medicine, offering the potential to overcome the conventional "trial-and-error" approach in drug prescription. The ability to use an individual's genetic profile to predict drug responses allows for personalized drug and dosage selection, thereby enhancing the safety and efficacy of treatments. However, despite significant scientific and clinical advancements in PGx, its integration into routine healthcare practices remains limited. To address this gap, the Qatar Genome Program (QGP) has embarked on an ambitious initiative known as QPGx-CARES (Qatar Pharmacogenetics Clinical Applications and Research Enhancement Strategies), which aims to set a roadmap for optimizing PGx research and clinical implementation on a national scale. The goal of QPGx-CARES initiative is to integrate PGx testing into clinical settings with the aim of improving patient health outcomes. In 2022, QGP initiated several implementation projects in various clinical settings. These projects aimed to evaluate the clinical utility of PGx testing, gather valuable insights into the effective dissemination of PGx data to healthcare professionals and patients, and identify the gaps and the challenges for wider adoption. QPGx-CARES strategy aimed to integrate evidence-based PGx findings into clinical practice, focusing on implementing PGx testing for cardiovascular medications, supported by robust scientific evidence. The current initiative sets a precedent for the nationwide implementation of precision medicine across diverse clinical domains.
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Affiliation(s)
- Rania Abdel‐latif
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | - Radja Badji
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | | | - Wadha Al‐Muftah
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | - Hamdi Mbarek
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | - Dima Darwish
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | - Duha Assaf
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | | | - Hazem Elewa
- College of Pharmacy, QU HealthQatar UniversityDohaQatar
| | - Nahla Afifi
- Qatar Biobank for Medical ResearchQatar Foundation for Education, Science, and CommunityDohaQatar
| | | | - Amr Salah Omar
- Cardiology and Cardiovascular SurgeryDepartment Hamad Medical CorporationDohaQatar
| | - Jassim Al Suwaidi
- Cardiology and Cardiovascular SurgeryDepartment Hamad Medical CorporationDohaQatar
| | - Salha Bujassoum
- Medical Oncology, National Center for Cancer Care and ResearchDepartment Hamad Medical CorporationDohaQatar
| | - Moza Al Hail
- Pharmacy DepartmentHamad Medical CorporationDohaQatar
| | - Said I. Ismail
- Qatar Genome Program, Qatar Precision Health InstituteQatar FoundationDohaQatar
| | - Asma Althani
- Biomedical Research CenterQatar UniversityDohaQatar
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Sperber NR, Roberts MC, Gonzales S, Bendz LM, Cragun D, Haga SB, Wu RR, Omeogu C, Kaufman B, Petry NJ, Ramsey LB, Uber R. Pharmacogenetic testing in primary care could bolster depression treatment: A value proposition. Clin Transl Sci 2024; 17:e13837. [PMID: 38898561 PMCID: PMC11186746 DOI: 10.1111/cts.13837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/23/2024] [Accepted: 05/07/2024] [Indexed: 06/21/2024] Open
Abstract
Pharmacogenetic testing could reduce the time to identify a safe and effective medication for depression; however, it is underutilized in practice. Major depression constitutes the most common mental disorder in the US, and while antidepressant therapy can help, the current trial -and error approach can require patients to endure multiple medication trials before finding one that is effective. Tailoring the fit of pharmacogenetic testing with prescribers' needs across a variety of settings could help to establish a generalizable value proposition to improve likelihood of adoption. We conducted a study to explore the value proposition for health systems using pharmacogenetic testing for mental health medications through prescribers' real-world experiences using implementation science concepts and systematic interviews with prescribers and administrators from four health care systems. To identify a value proposition, we organized the themes according to the Triple Aim framework, a leading framework for health care policy which asserts that high-value care should focus on three key metrics: (1) better health care quality and (2) population-level outcomes with (3) reduced per capita costs. Primary care providers whom we interviewed said that they value pharmacogenetic testing because it would provide more information about medications that they can prescribe, expanding their ability to identify medications that best-fit patients and reducing their reliance on referrals to specialists; they said that this capacity would help meet patients' needs for access to mental health care through primary care. At the same time, prescribers expressed differing views about how pharmacogenetic testing can help with quality of care and whether their views about out-of-pocket cost would prevent them from offering it. Thus, implementation should focus on integrating pharmacogenetic testing into primary care and using strategies to support prescribers' interactions with patients.
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Affiliation(s)
- Nina R. Sperber
- Duke UniversityDurhamNorth CarolinaUSA
- Durham VA Health Care SystemDurhamNCUnited States
| | - Megan C. Roberts
- University of North Carolina – Chapel HillChapel HillNorth CarolinaUSA
| | | | | | | | | | - R. Ryanne Wu
- Duke UniversityDurhamNorth CarolinaUSA
- 23andMeSouth San FranciscoUSA
| | | | - Brystana Kaufman
- Duke UniversityDurhamNorth CarolinaUSA
- Durham VA Health Care SystemDurhamNCUnited States
| | - Natasha J. Petry
- North Dakota State University/Sanford Health ImageneticsFargoNorth DakotaUSA
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Baltzer Houlind M, Hansen L, Iversen E, Rasmussen HB, Larsen JB, Jørgensen S, Dalhoff K, Damkier P, Walls AB, Vermehren C, Andersen TRH, Kallemose T, Christrup L, Westergaard N. Pharmacogenetic testing of CYP2D6, CYP2C19 and CYP2C9 in Denmark: Agreement between publicly funded genotyping tests and the subsequent phenotype classification. Basic Clin Pharmacol Toxicol 2024; 134:756-763. [PMID: 38403838 DOI: 10.1111/bcpt.13990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/27/2024]
Affiliation(s)
- Morten Baltzer Houlind
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Emergency Department, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Luise Hansen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Esben Iversen
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Henrik Berg Rasmussen
- Institute of Biological Psychiatry, Mental Health Centre Sct. Hans, Roskilde, Denmark
| | | | - Steffen Jørgensen
- Centre for Engineering and Science, University College Absalon, Naestved, Denmark
| | - Kim Dalhoff
- Department of Clinical Pharmacology, Copenhagen University Hospital Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Per Damkier
- Department of Clinical Pharmacology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Anne B Walls
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Vermehren
- The Capital Region Pharmacy, Herlev, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | | | - Thomas Kallemose
- Department of Clinical Research, Copenhagen University Hospital Amager and Hvidovre, Hvidovre, Denmark
| | - Lona Christrup
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
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Jameson A, Faisal M, Fylan B, Bristow GC, Sohal J, Dalton C, Sagoo GS, Cardno AG, McLean SL. Proportion of Antipsychotics with CYP2D6 Pharmacogenetic (PGx) Associations Prescribed in an Early Intervention in Psychosis (EIP) Cohort: A Cross-Sectional Study. J Psychopharmacol 2024; 38:382-394. [PMID: 38494658 PMCID: PMC11010551 DOI: 10.1177/02698811241238283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
BACKGROUND Prescribing drugs for psychosis (antipsychotics) is challenging due to high rates of poor treatment outcomes, which are in part explained by an individual's genetics. Pharmacogenomic (PGx) testing can help clinicians tailor the choice or dose of psychosis drugs to an individual's genetics, particularly psychosis drugs with known variable response due to CYP2D6 gene variants ('CYP2D6-PGx antipsychotics'). AIMS This study aims to investigate differences between demographic groups prescribed 'CYP2D6-PGx antipsychotics' and estimate the proportion of patients eligible for PGx testing based on current pharmacogenomics guidance. METHODS A cross-sectional study took place extracting data from 243 patients' medical records to explore psychosis drug prescribing, including drug transitions. Demographic data such as age, sex, ethnicity, and clinical sub-team were collected and summarised. Descriptive statistics explored the proportion of 'CYP2D6-PGx antipsychotic' prescribing and the nature of transitions. We used logistic regression analysis to investigate associations between demographic variables and prescription of 'CYP2D6-PGx antipsychotic' versus 'non-CYP2D6-PGx antipsychotic'. RESULTS Two-thirds (164) of patients had been prescribed a 'CYP2D6-PGx antipsychotic' (aripiprazole, risperidone, haloperidol or zuclopenthixol). Over a fifth (23%) of patients would have met the suggested criteria for PGx testing, following two psychosis drug trials. There were no statistically significant differences between age, sex, or ethnicity in the likelihood of being prescribed a 'CYP2D6-PGx antipsychotic'. CONCLUSIONS This study demonstrated high rates of prescribing 'CYP2D6-PGx-antipsychotics' in an EIP cohort, providing a rationale for further exploration of how PGx testing can be implemented in EIP services to personalise the prescribing of drugs for psychosis.
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Affiliation(s)
- Adam Jameson
- Bradford District Care NHS Foundation Trust, Bradford, UK
- School of Pharmacy & Medical Sciences, University of Bradford, Bradford, UK
- Wolfson Centre for Applied Health Research, Bradford, UK
| | - Muhammad Faisal
- Wolfson Centre for Applied Health Research, Bradford, UK
- Faculty of Health Studies, University of Bradford, Bradford, UK
- NIHR Yorkshire and Humber Patient Safety Research Collaboration (YH PSRC), Bradford, UK
| | - Beth Fylan
- School of Pharmacy & Medical Sciences, University of Bradford, Bradford, UK
- Wolfson Centre for Applied Health Research, Bradford, UK
- NIHR Yorkshire and Humber Patient Safety Research Collaboration (YH PSRC), Bradford, UK
| | - Greg C Bristow
- School of Pharmacy & Medical Sciences, University of Bradford, Bradford, UK
| | - Jaspreet Sohal
- Bradford District Care NHS Foundation Trust, Bradford, UK
| | - Caroline Dalton
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Gurdeep S Sagoo
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Alastair G Cardno
- Leeds Institute of Health Sciences, Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Samantha L McLean
- School of Pharmacy & Medical Sciences, University of Bradford, Bradford, UK
- Wolfson Centre for Applied Health Research, Bradford, UK
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6
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O'Neill JR, Jameson A, McLean SL, Dixon M, Cardno AG, Lawrence C. A proposal for reducing maximum target doses of drugs for psychosis: Reviewing dose-response literature. J Psychopharmacol 2024; 38:344-352. [PMID: 38494791 DOI: 10.1177/02698811241239543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
BACKGROUND Presently, there is limited guidance on the maximal dosing of psychosis drugs that is based on effectiveness rather than safety or toxicity. Current maximum dosing recommendations may far exceed the necessary degree of dopamine D2 receptor blockade required to treat psychosis. This may lead to excess harm through cognitive impairment and side effects. AIMS This analysis aimed to establish guidance for prescribers by optimally dosing drugs for psychosis based on efficacy and benefit. METHODS We used data from two dose-response meta-analyses and reviewed seven of the most prescribed drugs for psychosis in the UK. Where data were not available, we used appropriate comparison techniques based on D2 receptor occupancy to extrapolate our recommendations. RESULTS We found that the likely threshold dose for achieving remission of psychotic symptoms was often significantly below the currently licensed dose for these drugs. We therefore recommend that clinicians are cautious about exceeding our recommended doses. Individual factors, however, should be accounted for. We outline potentially relevant factors including age, ethnicity, sex, smoking status and pharmacogenetics. Additionally, we recommend therapeutic drug monitoring as a tool to determine individual pharmacokinetic variation. CONCLUSIONS In summary, we propose a new set of maximum target doses for psychosis drugs based on efficacy. Further research through randomised controlled trials should be undertaken to evaluate the effect of reducing doses from current licensing maximums or from doses that are above our recommendations. However, dose reductions should be implemented in a manner that accounts for and reduces the effects of drug withdrawal.
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Affiliation(s)
- James R O'Neill
- Faculty of Medicine and Health, University of Leeds, Leeds, UK
- South West Yorkshire Partnership NHS Foundation Trust, Wakefield, UK
- Leeds and York Partnership NHS Foundation Trust, Leeds, UK
| | - Adam Jameson
- School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
- Wolfson Centre for Applied Health Research, Bradford, UK
- Bradford District Care NHS Foundation Trust, Shipley, UK
| | - Samantha L McLean
- School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
- Wolfson Centre for Applied Health Research, Bradford, UK
| | - Michael Dixon
- Leeds and York Partnership NHS Foundation Trust, Leeds, UK
| | | | - Christopher Lawrence
- Southern Health NHS Foundation Trust, Southampton, UK
- University of Southampton, Southampton, UK
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Hernandez M, Cullell N, Cendros M, Serra-Llovich A, Arranz MJ. Clinical Utility and Implementation of Pharmacogenomics for the Personalisation of Antipsychotic Treatments. Pharmaceutics 2024; 16:244. [PMID: 38399298 PMCID: PMC10893329 DOI: 10.3390/pharmaceutics16020244] [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: 12/27/2023] [Revised: 01/24/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Decades of pharmacogenetic research have revealed genetic biomarkers of clinical response to antipsychotics. Genetic variants in antipsychotic targets, dopamine and serotonin receptors in particular, and in metabolic enzymes have been associated with the efficacy and toxicity of antipsychotic treatments. However, genetic prediction of antipsychotic response based on these biomarkers is far from accurate. Despite the clinical validity of these findings, the clinical utility remains unclear. Nevertheless, genetic information on CYP metabolic enzymes responsible for the biotransformation of most commercially available antipsychotics has proven to be effective for the personalisation of clinical dosing, resulting in a reduction of induced side effects and in an increase in efficacy. However, pharmacogenetic information is rarely used in psychiatric settings as a prescription aid. Lack of studies on cost-effectiveness, absence of clinical guidelines based on pharmacogenetic biomarkers for several commonly used antipsychotics, the cost of genetic testing and the delay in results delivery hamper the implementation of pharmacogenetic interventions in clinical settings. This narrative review will comment on the existing pharmacogenetic information, the clinical utility of pharmacogenetic findings, and their current and future implementations.
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Affiliation(s)
- Marta Hernandez
- PHAGEX Research Group, University Ramon Llull, 08022 Barcelona, Spain;
- School of Health Sciences Blanquerna, University Ramon Llull, 08022 Barcelona, Spain
| | - Natalia Cullell
- Fundació Docència i Recerca Mútua Terrassa, 08221 Terrassa, Spain; (N.C.); (A.S.-L.)
- Department of Neurology, Hospital Universitari Mútua Terrassa, 08221 Terrassa, Spain
| | - Marc Cendros
- EUGENOMIC Genómica y Farmacogenética, 08029 Barcelona, Spain;
| | | | - Maria J. Arranz
- PHAGEX Research Group, University Ramon Llull, 08022 Barcelona, Spain;
- Fundació Docència i Recerca Mútua Terrassa, 08221 Terrassa, Spain; (N.C.); (A.S.-L.)
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Virelli CR, Ebrahimi M, Mohiuddin AG, Tomasi J, Lisoway AJ, Herbert D, Marshe VS, Kidd SA, Ferenbok J, Kennedy JL. User Experiences of Pharmacogenomic Testing and Opinions among Psychiatry Patients. J Pers Med 2023; 14:22. [PMID: 38248723 PMCID: PMC10817619 DOI: 10.3390/jpm14010022] [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: 11/17/2023] [Revised: 12/10/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Pharmacogenomic testing (PGx) is a tool used to guide physicians in selecting an optimal medication for clients based on their genetic profile. The objective of this qualitative study is to understand patients' experiences with PGx testing as well as their opinions regarding the clinical adoption of such tests in psychiatry. A focus group was conducted to assess the needs of clients who had experience using a PGx test. Participants were recruited from a large study on PGx testing that offered physicians an opportunity to use PGx reports to guide psychotropic prescriptions. The focus group discussions were recorded, transcribed, and coded using NVivo to identify core themes. A total of 11 people participated in the focus group. Our analysis revealed that many participants were in favour of implementing PGx testing in psychiatric practice, and all expressed important considerations for patient-centred optimization of PGx testing. The main themes captured were: education and awareness among clinicians, cost considerations, PGx results-sharing and accessibility, and prospective benefits. The results of this study suggest that patients are keen to see PGx testing in widespread clinical care, but they report important opportunities to improve knowledge mobilization of PGx testing.
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Affiliation(s)
- Catherine R. Virelli
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Translational Research Program, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Mahbod Ebrahimi
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Ayeshah G. Mohiuddin
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Translational Research Program, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Julia Tomasi
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Amanda J. Lisoway
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Deanna Herbert
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
| | | | - Sean A. Kidd
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Joseph Ferenbok
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - James L. Kennedy
- Tanenbaum Centre for Pharmacogenetics, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON M6J 1H4, Canada (M.E.); (J.T.)
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON M5S 1A8, Canada
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Jeiziner C, Meyer Zu Schwabedissen HE, Hersberger KE, Allemann SS. Pharmacogenetic testing and counselling in the community pharmacy: mixed-methods study of a new pharmacist-led service. Int J Clin Pharm 2023; 45:1378-1386. [PMID: 37338707 PMCID: PMC10682055 DOI: 10.1007/s11096-023-01596-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/23/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND Pharmacogenetic (PGx) testing and counselling (short: PGx service) in the community pharmacy is not routinely practiced. We propose a comprehensive pharmacist-led service where PGx information is integrated into medication reviews. AIM To evaluate the pharmacist-led service comprising PGx testing and counselling (PGx service) from the perspective of patients. METHOD For this mixed-methods study, we conducted two follow-up interviews F1 and F2 with patients recruited for the PGx service in a community pharmacy after 1st of January 2020. The semi-structured interviews were held by phone call and covered understanding of PGx, the implementation of recommendations, handling of PGx documents (list of concerned substances and PGx recommendation), gain in medication knowledge, and willingness to pay for the PGx service. RESULTS We interviewed 25 patients in F1 and 42 patients in F2. Patients were generally able to understand and use results of the PGx service. At least one PGx recommendation was implemented for 69% of the patients. Handling of PGx documents ranged from patients having forgotten about the PGx results to patients consulting the list for every medication-related decision; the latter often expecting negative effects. Finally, 62% of the patients were willing to pay for the PGx service. CONCLUSION For future PGx testing and counselling, HCPs should consider the patients' health literacy in a standardized way and use adequate communication skills to enhance the patient's understanding in PGx and to attenuate potential negative expectations.
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Affiliation(s)
- Chiara Jeiziner
- Pharmaceutical Care Research Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056, Basel, Switzerland
| | | | - Kurt E Hersberger
- Pharmaceutical Care Research Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056, Basel, Switzerland
| | - Samuel S Allemann
- Pharmaceutical Care Research Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056, Basel, Switzerland.
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Bousman CA, Maruf AA, Marques DF, Brown LC, Müller DJ. The emergence, implementation, and future growth of pharmacogenomics in psychiatry: a narrative review. Psychol Med 2023; 53:7983-7993. [PMID: 37772416 PMCID: PMC10755240 DOI: 10.1017/s0033291723002817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 08/24/2023] [Accepted: 08/30/2023] [Indexed: 09/30/2023]
Abstract
Psychotropic medication efficacy and tolerability are critical treatment issues faced by individuals with psychiatric disorders and their healthcare providers. For some people, it can take months to years of a trial-and-error process to identify a medication with the ideal efficacy and tolerability profile. Current strategies (e.g. clinical practice guidelines, treatment algorithms) for addressing this issue can be useful at the population level, but often fall short at the individual level. This is, in part, attributed to interindividual variation in genes that are involved in pharmacokinetic (i.e. absorption, distribution, metabolism, elimination) and pharmacodynamic (e.g. receptors, signaling pathways) processes that in large part, determine whether a medication will be efficacious or tolerable. A precision prescribing strategy know as pharmacogenomics (PGx) assesses these genomic variations, and uses it to inform selection and dosing of certain psychotropic medications. In this review, we describe the path that led to the emergence of PGx in psychiatry, the current evidence base and implementation status of PGx in the psychiatric clinic, and finally, the future growth potential of precision psychiatry via the convergence of the PGx-guided strategy with emerging technologies and approaches (i.e. pharmacoepigenomics, pharmacomicrobiomics, pharmacotranscriptomics, pharmacoproteomics, pharmacometabolomics) to personalize treatment of psychiatric disorders.
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Affiliation(s)
- Chad A. Bousman
- The Mathison Centre for Mental Health Research & Education, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
- Department of Psychiatry, University of Calgary, AB, Canada
- Department of Medical Genetics, University of Calgary, Calgary, AB, Canada
- Departments of Physiology and Pharmacology, and Community Health Sciences, University of Calgary, Calgary, AB, Canada
- AB Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada
- Department of Psychiatry, University of Melbourne, Melbourne, VIC, Australia
| | - Abdullah Al Maruf
- The Mathison Centre for Mental Health Research & Education, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
- Department of Psychiatry, University of Calgary, AB, Canada
- College of Pharmacy, Rady Faculty of Health Sciences, Winnipeg, MB, Canada
| | | | | | - Daniel J. Müller
- Pharmacogenetics Research Clinic, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, Psychosomatics and Psychotherapy, Center of Mental Health, University Hospital of Wurzburg, Wurzburg, Germany
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Roberts B, Cooper Z, Lu S, Stanley S, Majda BT, Collins KRL, Gilkes L, Rodger J, Akkari PA, Hood SD. Utility of pharmacogenetic testing to optimise antidepressant pharmacotherapy in youth: a narrative literature review. Front Pharmacol 2023; 14:1267294. [PMID: 37795032 PMCID: PMC10545970 DOI: 10.3389/fphar.2023.1267294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 08/30/2023] [Indexed: 10/06/2023] Open
Abstract
Pharmacogenetics (PGx) is the study and application of how interindividual differences in our genomes can influence drug responses. By evaluating individuals' genetic variability in genes related to drug metabolism, PGx testing has the capabilities to individualise primary care and build a safer drug prescription model than the current "one-size-fits-all" approach. In particular, the use of PGx testing in psychiatry has shown promising evidence in improving drug efficacy as well as reducing toxicity and adverse drug reactions. Despite randomised controlled trials demonstrating an evidence base for its use, there are still numerous barriers impeding its implementation. This review paper will discuss the management of mental health conditions with PGx-guided treatment with a strong focus on youth mental illness. PGx testing in clinical practice, the concerns for its implementation in youth psychiatry, and some of the barriers inhibiting its integration in clinical healthcare will also be discussed. Overall, this paper provides a comprehensive review of the current state of knowledge and application for PGx in psychiatry and summarises the capabilities of genetic information to personalising medicine for the treatment of mental ill-health in youth.
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Affiliation(s)
- Bradley Roberts
- The Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
- School of Biological Sciences, University of Western Australia, Crawley, WA, Australia
| | - Zahra Cooper
- The Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
| | - Stephanie Lu
- School of Psychological Science, University of Western Australia, Crawley, WA, Australia
| | - Susanne Stanley
- Division of Psychiatry, School of Medicine, University of Western Australia, Crawley, WA, Australia
| | | | - Khan R. L. Collins
- Western Australian Department of Health, North Metropolitan Health Service, Perth, WA, Australia
| | - Lucy Gilkes
- School of Medicine, University of Notre Dame, Fremantle, WA, Australia
- Divison of General Practice, School of Medicine, University of Western Australia, Crawley, WA, Australia
| | - Jennifer Rodger
- The Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
- School of Biological Sciences, University of Western Australia, Crawley, WA, Australia
| | - P. Anthony Akkari
- The Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
- School of Human Sciences, University of Western Australia, Crawley, WA, Australia
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Murdoch, WA, Australia
- Division of Neurology, Duke University Medical Centre, Duke University, Durham, United States
| | - Sean D. Hood
- Division of Psychiatry, School of Medicine, University of Western Australia, Crawley, WA, Australia
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Haga SB. The Critical Role of Pharmacists in the Clinical Delivery of Pharmacogenetics in the U.S. PHARMACY 2023; 11:144. [PMID: 37736916 PMCID: PMC10514841 DOI: 10.3390/pharmacy11050144] [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: 07/31/2023] [Revised: 09/05/2023] [Accepted: 09/05/2023] [Indexed: 09/23/2023] Open
Abstract
Since the rebirth of pharmacogenomics (PGx) in the 1990s and 2000s, with new discoveries of genetic variation underlying adverse drug response and new analytical technologies such as sequencing and microarrays, there has been much interest in the clinical application of PGx testing. The early involvement of pharmacists in clinical studies and the establishment of organizations to support the dissemination of information about PGx variants have naturally resulted in leaders in clinical implementation. This paper presents an overview of the evolving role of pharmacists, and discusses potential challenges and future paths, primarily focused in the U.S. Pharmacists have positioned themselves as leaders in clinical PGx testing, and will prepare the next generation to utilize PGx testing in their scope of practice.
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Affiliation(s)
- Susanne B Haga
- Division of General Internal Medicine, Department of Medicine, School of Medicine, Duke University, 101 Science Drive, Durham, NC 27708, USA
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Lemke LK, Alam B, Williams R, Starostik P, Cavallari LH, Cicali EJ, Wiisanen K. Reimbursement of pharmacogenetic tests at a tertiary academic medical center in the United States. Front Pharmacol 2023; 14:1179364. [PMID: 37645439 PMCID: PMC10461057 DOI: 10.3389/fphar.2023.1179364] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 07/17/2023] [Indexed: 08/31/2023] Open
Abstract
Introduction: Pharmacogenetics (PGx) has the potential to improve health outcomes but cost of testing is a barrier for equitable access. Reimbursement by insurance providers may lessen the financial burden for patients, but the extent to which PGx claims are covered in clinical practice has not been well-characterized in the literature. Methods: A retrospective analysis of outpatient claims submitted to payers for PGx tests from 1/1/2019 through 12/31/2021 was performed. A reimbursement rate was calculated and compared across specific test types (e.g., single genes, panel), payers, indication, and the year the claim was submitted. Results: A total of 1,039 outpatient claims for PGx testing were analyzed. The overall reimbursement rate was 46% and ranged from 36%-48% across payers. PGx panels were reimbursed at a significantly higher rate than single gene tests (74% vs. 43%, p < 0.001). Discussion: Reimbursement of claims for PGx testing is variable based on the test type, indication, year the claim was submitted, number of diagnosis codes submitted, and number of unique diagnosis codes submitted. Due to the highly variable nature of reimbursement, cost and affordability should be discussed with each patient.
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Affiliation(s)
- Lauren K. Lemke
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
- Center for Pharmacogenomics and Precision Medicine, University of Florida, Gainesville, FL, United States
| | - Benish Alam
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
- Center for Pharmacogenomics and Precision Medicine, University of Florida, Gainesville, FL, United States
| | - Roy Williams
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
| | - Petr Starostik
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, United States
- UF Health Pathology Laboratories, UF Health, Gainesville, FL, United States
| | - Larisa H. Cavallari
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
- Center for Pharmacogenomics and Precision Medicine, University of Florida, Gainesville, FL, United States
| | - Emily J. Cicali
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
- Center for Pharmacogenomics and Precision Medicine, University of Florida, Gainesville, FL, United States
| | - Kristin Wiisanen
- Pharmacotherapy and Translational Research, University of Florida, Gainesville, FL, United States
- Center for Pharmacogenomics and Precision Medicine, University of Florida, Gainesville, FL, United States
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14
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Mills SC, Massmann A. Congruence rates for pharmacogenomic noninterruptive alerts. Pharmacogenomics 2023; 24:493-500. [PMID: 37435734 DOI: 10.2217/pgs-2023-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023] Open
Abstract
Meaningful clinical decision support (CDS) recommendations are vital for implementation of pharmacogenomics (PGx) into routine clinical care. PGx CDS alerts include interruptive and noninterruptive alerts. The objective of this study was to evaluate provider ordering behavior after noninterruptive alerts are displayed. A retrospective manual chart review was conducted from the time of noninterruptive alert implementation to the time of data analysis to determine congruence with CDS recommendations. The congruence rate for noninterruptive alerts was 89.8% across all drug-gene interactions. The drug-gene interaction with the most alerts for analysis included metoclopramide (n = 138). The high rate of medication order congruence after noninterruptive alerts were deployed suggests this modality may be appropriate for PGx CDS as a method for best practice adherence.
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Affiliation(s)
- Sarah C Mills
- Sanford Imagenetics, Sanford Health, Sioux Falls, SD 57105, USA
| | - Amanda Massmann
- Sanford Imagenetics, Sanford Health, Sioux Falls, SD 57105, USA
- Department of Internal Medicine, University of South Dakota School of Medicine, Vermillion, SD 57069, USA
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Salas-Hernández A, Galleguillos M, Carrasco M, López-Cortés A, Redal MA, Fonseca-Mendoza D, Esperón P, González-Martínez F, Lares-Asseff I, Lazarowski A, Loera-Castañeda V, Remírez D, Martínez MF, Vargas R, Rios-Santos F, Macho A, Cayún JP, Perez GR, Gutierrez C, Cerpa LC, Leiva T, Calfunao S, Xajil L, Sandoval C, Suárez M, Gonzalez A, Echeverría-Garcés G, Sullón-Dextre L, Cordero-García E, Morales AR, Avendaño A, Sánchez E, Bastone LC, Lara C, Zuluaga-Arias P, Soler AM, Da Luz J, Burgueño-Rodríguez G, Vital M, Reyes-Reyes E, Huaccha A, Ariza YV, Tzul N, Rendón AL, Serrano R, Acosta L, Motta-Pardo A, Beltrán-Angarita L, Brand E, Jiménez MA, Hidalgo-Lozada GM, Romero-Prado MMJ, Escobar-Castro K, Umaña-Rivas M, Vivas JD, Lagos P, Martínez YB, Quesada S, Calfio C, Arias ML, Lavanderos MA, Cáceres DD, Salazar-Granara A, Varela NM, Quiñones LA. An updated examination of the perception of barriers for pharmacogenomics implementation and the usefulness of drug/gene pairs in Latin America and the Caribbean. Front Pharmacol 2023; 14:1175737. [PMID: 37251329 PMCID: PMC10213898 DOI: 10.3389/fphar.2023.1175737] [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: 02/28/2023] [Accepted: 04/21/2023] [Indexed: 05/31/2023] Open
Abstract
Pharmacogenomics (PGx) is considered an emergent field in developing countries. Research on PGx in the Latin American and the Caribbean (LAC) region remains scarce, with limited information in some populations. Thus, extrapolations are complicated, especially in mixed populations. In this paper, we reviewed and analyzed pharmacogenomic knowledge among the LAC scientific and clinical community and examined barriers to clinical application. We performed a search for publications and clinical trials in the field worldwide and evaluated the contribution of LAC. Next, we conducted a regional structured survey that evaluated a list of 14 potential barriers to the clinical implementation of biomarkers based on their importance. In addition, a paired list of 54 genes/drugs was analyzed to determine an association between biomarkers and response to genomic medicine. This survey was compared to a previous survey performed in 2014 to assess progress in the region. The search results indicated that Latin American and Caribbean countries have contributed 3.44% of the total publications and 2.45% of the PGx-related clinical trials worldwide thus far. A total of 106 professionals from 17 countries answered the survey. Six major groups of barriers were identified. Despite the region's continuous efforts in the last decade, the primary barrier to PGx implementation in LAC remains the same, the "need for guidelines, processes, and protocols for the clinical application of pharmacogenetics/pharmacogenomics". Cost-effectiveness issues are considered critical factors in the region. Items related to the reluctance of clinicians are currently less relevant. Based on the survey results, the highest ranked (96%-99%) gene/drug pairs perceived as important were CYP2D6/tamoxifen, CYP3A5/tacrolimus, CYP2D6/opioids, DPYD/fluoropyrimidines, TMPT/thiopurines, CYP2D6/tricyclic antidepressants, CYP2C19/tricyclic antidepressants, NUDT15/thiopurines, CYP2B6/efavirenz, and CYP2C19/clopidogrel. In conclusion, although the global contribution of LAC countries remains low in the PGx field, a relevant improvement has been observed in the region. The perception of the usefulness of PGx tests in biomedical community has drastically changed, raising awareness among physicians, which suggests a promising future in the clinical applications of PGx in LAC.
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Affiliation(s)
- Aimeé Salas-Hernández
- Department of Pharmacology, Toxicology and Pharmaco-Dependence, Faculty of Pharmacy, University of Costa Rica, San Jose, Costa Rica
| | - Macarena Galleguillos
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Matías Carrasco
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Andrés López-Cortés
- Cancer Research Group (CRG), Faculty of Medicine, Universidad de Las Américas, Quito, Ecuador
| | - María Ana Redal
- Molecular Diagnostic Laboratory, Genetics Division, Faculty of Medicine, Hospital de Clínicas José de San Martín, University of Buenos Aires, Buenos Aires, Argentina
| | - Dora Fonseca-Mendoza
- Universidad del Rosario, School of Medicine and Health Sciences, Center for Research in Genetics and Genomics (CIGGUR), Institute of Translational Medicine (IMT), Bogotá, Colombia
| | - Patricia Esperón
- Molecular Genetic Unit, School of Chemistry, Universidad de la República, General Flores, CP 1800 2124, Montevideo, Uruguay
| | - Farith González-Martínez
- Toxicology and Public Health Research Laboratory, Department of Research, Faculty of Dentistry, University of Cartagena, Cartagena, Colombia
| | - Ismael Lares-Asseff
- Academy of Genomics and Laboratory of Pharmacogenomics and Molecular Biomedicine, Instituto Politécnico Nacional, CIIDIR-Unidad Durango, Durango, Mexico
| | - Alberto Lazarowski
- Instituto de Fisiopatología y Bioquímica Clínica (INFIBIOC), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires- Argentina, Buenos Aires, Argentina
| | - Verónica Loera-Castañeda
- Academy of Genomics and Laboratory of Pharmacogenomics and Molecular Biomedicine, Instituto Politécnico Nacional, CIIDIR-Unidad Durango, Durango, Mexico
| | | | - Matías F. Martínez
- 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
| | - Rodrigo Vargas
- Department of Molecular Biology, Galileo University, Guatemala City, Guatemala
| | - Fabricio Rios-Santos
- Department of Health. Faculty of Medicine, Federal University of Mato Grosso (UFMT), Cuibá, Brazil
| | - Antonio Macho
- Morphology and Applied Immunology Research Center (NuPMIA), University of Brasilia (UnB), Brasília, Brazil
| | - Juan P. Cayún
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Germán R. Perez
- Department of Microbiology, Faculty of Biochemical and Pharmaceutical Sciences. National University of Rosario, Rosario, Argentina
| | - Carolina Gutierrez
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Leslie C. Cerpa
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Tamara Leiva
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Susan Calfunao
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
- Laboratory Pathological Anatomy, Hospital Luis Calvo Mackenna, Santiago, Chile
| | - Lesly Xajil
- Department of Research in Pharmacogenomics, Faculty of Chemical Sciences and Pharmacy, University of San Carlos de Guatemala, Guatemala, Guatemala
| | - Christopher Sandoval
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
- Clinical Laboratory Blood Biochemistry and Immunoassay Section, Hospital Clínico Félix Bulnes Cerda, Santiago, Chile
| | - Marcelo Suárez
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
- Pharmacy Service, Hospital UC-Christus, Santiago, Chile
| | | | | | | | - Eugenia Cordero-García
- Department of Pharmacology, Toxicology and Pharmaco-Dependence, Faculty of Pharmacy, University of Costa Rica, San Jose, Costa Rica
| | - Alexis R. Morales
- Department of Toxicology and Pharmacology, Faculty of Pharmacy and Bioanalisis, University of Los Andes, Merida, Venezuela
| | - Andrea Avendaño
- Department of Pediatrics, Medical Genetics Unity, Faculty of Medicine, University of Los Andes, Mérida, Venezuela
| | | | - Laura C. Bastone
- Laboratorio de Medicina Genómica, Gammalab, Grupo Gamma, Rosario, Argentina
| | - Cesar Lara
- Betesda La Alternativa Natural, San José, Costa Rica
| | | | - Ana María Soler
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, Universidad de La República, Montevideo, Uruguay
| | - Julio Da Luz
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, Universidad de La República, Montevideo, Uruguay
| | - Gabriela Burgueño-Rodríguez
- Laboratorio de Genética Molecular Humana, Departamento de Ciencias Biológicas, Universidad de La República, Montevideo, Uruguay
| | - Marcelo Vital
- Molecular Genetic Unit, School of Chemistry, Universidad de la República, General Flores 2124, Montevideo, Uruguay
| | - Elizabeth Reyes-Reyes
- Clinical Experimental Pharmacology Section, Teaching and Research Department, Institute of Oncology and Radiobiology, Havana, Cuba
| | | | - Yeimy V. Ariza
- Pharmaceutical Chemistry Program, El Bosque University, Bogotá, Colombia
| | - Naomi Tzul
- Drug Inspectorate Unit, Ministry of Health and Wellness, Belmopan, Belize
| | - Ana L. Rendón
- Department of Pharmaceutical Technology, National Autonomous University of Honduras, Tegucigalpa, Honduras
| | | | - Larissa Acosta
- Faculty of Biology, Chemistry and Pharmacy, Galileo University, Guatemala, Guatemala
| | - Angelo Motta-Pardo
- GENOBIDC, Faculty of Pharmacy and Biochemistry, Universidad Nacional Mayor de San Marcos (UNMSM), CIGBM, Faculty of Medicine, Universidad de San Martin de Porres (USMP), Lima, Peru
| | - Leonardo Beltrán-Angarita
- Faculty of Heath Sciences, Central Unit of Valle del Cauca, Tuluá, Colombia
- Chemistry School, Universidad Tecnológica de Pereira, Pereira, Colombia
| | - Erika Brand
- Postgraduate Department, Master’s Degree in Immunology, Universidad Cayetano Heredia, Lima, Perú
| | | | | | - Marina M. J. Romero-Prado
- Department of Physiology, Health Sciences University Center, University of Guadalajara, Guadalajara, Jalisco, Mexico
| | - Karla Escobar-Castro
- Laboratory of Histocompatibility and Immunogenetics, Department of Nephrology and Transplant, Hospital General San Juan de Dios, Guatemala, Guatemala
| | - Mariel Umaña-Rivas
- Department of Tropical Medicine, Faculty of Medicine, University of Brasília, Brasília, Brazil
| | - Juan D. Vivas
- Department of Clinical Pharmacology, Faculty of Medicine, University of La Sabana, Chía, Colombia
| | - Paola Lagos
- Recombinant Biopharmaceutical Laboratory, Department of Pharmacology, Faculty of Biological Sciences, University of Concepción, Concepción, Chile
| | - Yineth Ballén Martínez
- Medical Specialist in Epidemiology Clinical Pharmacology Teacher; Medical Scientific and Pharmacovigilance Advisor in the Pharmaceutical Industry, Bogotá, Colombia
| | - Sharleth Quesada
- Faculty of Pharmacy, University of Costa Rica, San Jose, Costa Rica
| | - Camila Calfio
- International Center for Biomedicine ICC, Santiago, Chile
| | - Maria L. Arias
- Tropical Diseases Research Center and Microbiology Faculty, University of Costa Rica, San José, Costa Rica
| | - María A. Lavanderos
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Dante D. Cáceres
- Environmental Health Programme, School of Public Health, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Alberto Salazar-Granara
- Universidad de San Martín de Porres, Facultad de Medicina Humana, Centro de Investigación de Medicina Tradicional y Farmacología, Lima, Perú
| | - Nelson M. Varela
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Luis A. Quiñones
- 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
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Public Attitudes toward Pharmacogenomic Testing and Establishing a Statewide Pharmacogenomics Database in the State of Minnesota. J Pers Med 2022; 12:jpm12101615. [PMID: 36294754 PMCID: PMC9604616 DOI: 10.3390/jpm12101615] [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: 08/14/2022] [Revised: 09/18/2022] [Accepted: 09/19/2022] [Indexed: 11/07/2022] Open
Abstract
The clinical adoption and implementation of pharmacogenomics (PGx) beyond academic medical centers remains slow, restricting the general population from benefitting from this important component of personalized medicine. As an initial step in the statewide initiative of PGx implementation in Minnesota, we engaged community members and assessed attitudes towards PGx testing and acceptability of establishing a secure statewide PGx database for clinical and research use among Minnesota residents. Data was collected from 808 adult attendees at the 2021 Minnesota State Fair through an electronic survey. Eighty-four percent of respondents felt comfortable getting a PGx test for clinical care. Most respondents trusted health professionals (78.2%) and researchers (73.0%) to keep their PGx data private. The majority expressed their support and interest in participating in a statewide PGx database for clinical and research use (64–72%). Higher acceptability of the statewide PGx database was associated with younger age, higher education, higher health literacy, having health insurance, and prior genetic testing. The study sample representing Minnesota residents expressed high acceptability of receiving PGx testing and willingness to participate in PGx data sharing for clinical and research use. Community support and engagement are needed to advance PGx implementation and research on the state scale.
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Al-Mahayri ZN, Khasawneh LQ, Alqasrawi MN, Altoum SM, Jamil G, Badawi S, Hamza D, George L, AlZaabi A, Ouda H, Al-Maskari F, AlKaabi J, Patrinos GP, Ali BR. Pharmacogenomics implementation in cardiovascular disease in a highly diverse population: initial findings and lessons learned from a pilot study in United Arab Emirates. Hum Genomics 2022; 16:42. [PMID: 36154845 PMCID: PMC9509637 DOI: 10.1186/s40246-022-00417-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
Background Pharmacogenomic (PGx) testing has proved its utility and cost-effectiveness for some commonly prescribed cardiovascular disease (CVD) medications. In addition, PGx-guided dosing guidelines are now available for multiple CVD drugs, including clopidogrel, warfarin, and statins. The United Arab Emirates (UAE) population is diverse and multiethnic, with over 150 nationalities residing in the country. PGx-testing is not part of the standard of care in most global healthcare settings, including the UAE healthcare system. The first pharmacogenomic implementation clinical study in CVD has been approved recently, but multiple considerations needed evaluation before commencing. The current report appraises the PGx-clinical implementation procedure and the potential benefits of pursuing PGx-implementation initiatives in the UAE with global implications. Methods Patients prescribed one or more of the following drugs: clopidogrel, atorvastatin, rosuvastatin, and warfarin, were recruited. Genotyping selected genetic variants at genes interacting with the study drugs was performed by real-time PCR. Results For the current pilot study, 160 patients were recruited. The genotypes and inferred haplotypes, diplotypes, and predicted phenotypes revealed that 11.9% of the participants were poor CYP2C19 metabolizers, 35% intermediate metabolizers, 28.1% normal metabolizers, and 25% rapid or ultrarapid metabolizers. Notably, 46.9% of our cohort should receive a recommendation to avoid using clopidogrel or consider an alternative medication. Regarding warfarin, only 20% of the participants exhibited reference alleles at VKORC1-1639G > A, CYP2C9*2, and CYP2C9*3, leaving 80% with alternative genotypes at any of the two genes that can be integrated into the warfarin dosing algorithms and can be used whenever the patient receives a warfarin prescription. For statins, 31.5% of patients carried at least one allele at the genotyped SLCO1B1 variant (rs4149056), increasing their risk of developing myopathy. 96% of our cohort received at least one PGx-generated clinical recommendation for the studied drugs. Conclusion The current pilot analysis verified the feasibility of PGx-testing and the unforeseen high frequencies of patients currently treated with suboptimal drug regimens, which may potentially benefit from PGx testing.
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McDermott JH, Wright S, Sharma V, Newman WG, Payne K, Wilson P. Characterizing pharmacogenetic programs using the consolidated framework for implementation research: A structured scoping review. Front Med (Lausanne) 2022; 9:945352. [PMID: 36059837 PMCID: PMC9433561 DOI: 10.3389/fmed.2022.945352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/29/2022] [Indexed: 12/11/2022] Open
Abstract
Several healthcare organizations have developed pre-emptive pharmacogenetic testing programs, where testing is undertaken prior to the prescription of a medicine. This review characterizes the barriers and facilitators which influenced the development of these programs. A bidirectional citation searching strategy identified relevant publications before a standardized data extraction approach was applied. Publications were grouped by program and data synthesis was undertaken using the Consolidated Framework for Implementation Research (CFIR). 104 publications were identified from 40 programs and 4 multi-center initiatives. 26 (66%) of the programs were based in the United States and 95% in high-income countries. The programs were heterogeneous in their design and scale. The Characteristics of the Intervention, Inner Setting, and Process domains were referenced by 92.5, 80, and 77.5% of programs, respectively. A positive institutional culture, leadership engagement, engaging stakeholders, and the use of clinical champions were frequently described as facilitators to implementation. Clinician self-efficacy, lack of stakeholder knowledge, and the cost of the intervention were commonly cited barriers. Despite variation between the programs, there were several similarities in approach which could be categorized via the CFIR. These form a resource for organizations planning the development of pharmacogenetic programs, highlighting key facilitators which can be leveraged to promote successful implementation.
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Affiliation(s)
- John H. McDermott
- Manchester Centre for Genomic Medicine, St Mary’s Hospital, Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom
- Division of Evolution, Infection and Genomics, School of Biological Sciences, The University of Manchester, Manchester, United Kingdom
- *Correspondence: John H. McDermott,
| | - Stuart Wright
- Division of Population Health, Manchester Centre for Health Economics, Health Services Research and Primary Care, School of Health Sciences, The University of Manchester, Manchester, United Kingdom
| | - Videha Sharma
- Division of Informatics, Centre for Health Informatics, Imaging and Data Science, School of Health Sciences, The University of Manchester, Manchester, United Kingdom
| | - William G. Newman
- Manchester Centre for Genomic Medicine, St Mary’s Hospital, Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom
- Division of Evolution, Infection and Genomics, School of Biological Sciences, The University of Manchester, Manchester, United Kingdom
| | - Katherine Payne
- Division of Population Health, Manchester Centre for Health Economics, Health Services Research and Primary Care, School of Health Sciences, The University of Manchester, Manchester, United Kingdom
| | - Paul Wilson
- Division of Population Health, Centre for Primary Care and Health Services Research, Health Services Research and Primary Care, School of Health Sciences, The University of Manchester, Manchester, United Kingdom
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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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20
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Salloum RG, Bishop JR, Elchynski AL, Smith DM, Rowe E, Blake KV, Limdi NA, Aquilante CL, Bates J, Beitelshees AL, Cipriani A, Duong BQ, Empey PE, Formea CM, Hicks JK, Mroz P, Oslin D, Pasternak AL, Petry N, Ramsey LB, Schlichte A, Swain SM, Ward KM, Wiisanen K, Skaar TC, Van Driest SL, Cavallari LH, Tuteja S. Best-worst scaling methodology to evaluate constructs of the Consolidated Framework for Implementation Research: application to the implementation of pharmacogenetic testing for antidepressant therapy. Implement Sci Commun 2022; 3:52. [PMID: 35568931 PMCID: PMC9107643 DOI: 10.1186/s43058-022-00300-7] [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: 02/23/2022] [Accepted: 04/25/2022] [Indexed: 11/10/2022] Open
Abstract
Background Despite the increased demand for pharmacogenetic (PGx) testing to guide antidepressant use, little is known about how to implement testing in clinical practice. Best–worst scaling (BWS) is a stated preferences technique for determining the relative importance of alternative scenarios and is increasingly being used as a healthcare assessment tool, with potential applications in implementation research. We conducted a BWS experiment to evaluate the relative importance of implementation factors for PGx testing to guide antidepressant use. Methods We surveyed 17 healthcare organizations that either had implemented or were in the process of implementing PGx testing for antidepressants. The survey included a BWS experiment to evaluate the relative importance of Consolidated Framework for Implementation Research (CFIR) constructs from the perspective of implementing sites. Results Participating sites varied on their PGx testing platform and methods for returning recommendations to providers and patients, but they were consistent in ranking several CFIR constructs as most important for implementation: patient needs/resources, leadership engagement, intervention knowledge/beliefs, evidence strength and quality, and identification of champions. Conclusions This study demonstrates the feasibility of using choice experiments to systematically evaluate the relative importance of implementation determinants from the perspective of implementing organizations. BWS findings can inform other organizations interested in implementing PGx testing for mental health. Further, this study demonstrates the application of BWS to PGx, the findings of which may be used by other organizations to inform implementation of PGx testing for mental health disorders. Supplementary Information The online version contains supplementary material available at 10.1186/s43058-022-00300-7.
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Affiliation(s)
- Ramzi G Salloum
- University of Florida Clinical and Translational Science Institute, Gainesville, FL, USA.,University of Florida College of Medicine, Gainesville, FL, USA
| | - Jeffrey R Bishop
- University of Minnesota Medical School, Minneapolis, MN, USA.,University of Minnesota College of Pharmacy, Minneapolis, MN, USA
| | | | - D Max Smith
- MedStar Health, Georgetown University Medical Center, Washington, DC, USA
| | - Elizabeth Rowe
- Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - Nita A Limdi
- University of Alabama Heersink School of Medicine, Birmingham, AL, USA
| | | | - Jill Bates
- Durham VA Healthcare System, Durham, NC, USA
| | | | - Amber Cipriani
- University of North Carolina Medical Center, Chapel Hill, NC, USA
| | | | - Philip E Empey
- University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | | | | | - Pawel Mroz
- University of Minnesota Medical School, Minneapolis, MN, USA
| | - David Oslin
- Corporal Michael J. Cresenz VA Medical Center, Philadelphia, PA, USA
| | - Amy L Pasternak
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | - Natasha Petry
- North Dakota State University/Sanford Health, Fargo, ND, USA
| | - Laura B Ramsey
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Sandra M Swain
- MedStar Health, Georgetown University Medical Center, Washington, DC, USA
| | - Kristen M Ward
- University of Michigan College of Pharmacy, Ann Arbor, MI, USA
| | | | - Todd C Skaar
- Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - Larisa H Cavallari
- University of Florida Clinical and Translational Science Institute, Gainesville, FL, USA.,University of Florida College of Pharmacy, Gainesville, FL, USA
| | - Sony Tuteja
- University of Pennsylvania Perelman School of Medicine, Smilow Center for Translational Research, 3400 Civic Center Boulevard, Bldg. 421 11th Floor, Room 143, Philadelphia, PA, 19104-5158, USA.
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21
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Baune BT. Clinical use of pharmacogenomics in Psychiatry: The future has not yet arrived. Eur Neuropsychopharmacol 2022; 58:4-6. [PMID: 35093788 DOI: 10.1016/j.euroneuro.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/11/2022] [Accepted: 01/14/2022] [Indexed: 11/04/2022]
Affiliation(s)
- B T Baune
- Department of Psychiatry, University of Münster, Münster, Germany; Department of Psychiatry, Melbourne Medical School, The University of Melbourne, Melbourne, Australia; The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia.
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22
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When Moods and Behaviors Do Not Add Up: The Many Masks of Alcohol Use Disorder. J Addict Nurs 2022; 33:121-124. [PMID: 35640217 DOI: 10.1097/jan.0000000000000462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT This case report presents a 40-year-old man presenting with mixed mental health symptoms including depression, anxiety, euphoria, sleep cycle disturbances, and alcohol use over several years. Multiple providers see the patient in varying specialties, initially focusing on depression, anxiety, and, later, substance use. Alcohol misuse can shadow underlying mental disorders. Therefore, early recognition and collaborative management are imperative to unveil the possibility of comorbid mental health disorders.
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Pearce A, Terrill B, Alffenaar JW, Patanwala S, Kummerfeld S, Day R, Young MA, Stocker S. Pharmacogenomic testing: perception of clinical utility, enablers and barriers to adoption in Australian hospitals. Intern Med J 2022; 52:1135-1143. [PMID: 35191159 PMCID: PMC9541847 DOI: 10.1111/imj.15719] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 11/29/2022]
Abstract
Background Despite healthcare professionals (HCP) endorsing the clinical utility of pharmacogenomics testing, use in clinical practice is limited. Aims To assess HCP' perceptions of pharmacogenomic testing and identify barriers to implementation. Methods HCP involved in prescribing decisions at three hospitals in Sydney, Australia, were invited to participate. The online survey assessed perceptions of pharmacogenomic testing, including: (i) demographic and practice variables; (ii) use, knowledge and confidence; (iii) perceived benefits; (iv) barriers to implementation; and (v) operational and/or system changes and personnel required to implement on site. Results HCP were predominantly medical practitioners (75/107) and pharmacists (25/107). HCP perceived pharmacogenomic testing was beneficial to identify reasons for drug intolerance (85/95) and risk of side‐effects (86/95). Although testing was considered relevant to their practice (79/100), few HCP (23/100) reported past or intended future use (26/100). Few HCP reported confidence in their ability to identify indications for pharmacogenomic testing (14/107), order tests (19/106) and communicate results with patients (16/107). Lack of clinical practice guidelines (62/79) and knowledge (54/77) were identified as major barriers to implementation of pharmacogenomics. Comprehensive reimbursement for testing and clinical practice guidelines, alongside models‐of‐care involving multidisciplinary teams and local clinical champions were suggested as strategies to facilitate implementation of pharmacogenomic testing into practice. Conclusions Pharmacogenomic testing was considered important to guide drug selection and dosing decisions. However, limited knowledge, low confidence and an absence of guidelines impede the use of pharmacogenomic testing. Establishment of local resources including multidisciplinary models‐of‐care was suggested to facilitate implementation of pharmacogenomics.
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Affiliation(s)
- Angela Pearce
- Kinghorn Centre for Clinical Genomics, Garvan Institute of Medical Research, Darlinghurst, Sydney, Australia
| | - Bronwyn Terrill
- Kinghorn Centre for Clinical Genomics, Garvan Institute of Medical Research, Darlinghurst, Sydney, Australia.,St Vincent's Clinical School, Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | - Jan-Willem Alffenaar
- Sydney Pharmacy School, Faculty of Medicine & Health, The University of Sydney, Sydney, Australia.,Westmead Hospital, Sydney, Australia
| | - Sid Patanwala
- Sydney Pharmacy School, Faculty of Medicine & Health, The University of Sydney, Sydney, Australia.,Royal Prince Alfred Hospital, Sydney, Australia
| | - Sarah Kummerfeld
- Kinghorn Centre for Clinical Genomics, Garvan Institute of Medical Research, Darlinghurst, Sydney, Australia.,St Vincent's Clinical School, Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | - Richard Day
- St Vincent's Clinical School, Faculty of Medicine, The University of New South Wales, Sydney, Australia.,Department of Clinical Pharmacology & Toxicology, St Vincent's Hospital, Sydney, Australia
| | - Mary-Anne Young
- Kinghorn Centre for Clinical Genomics, Garvan Institute of Medical Research, Darlinghurst, Sydney, Australia.,St Vincent's Clinical School, Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | - Sophie Stocker
- St Vincent's Clinical School, Faculty of Medicine, The University of New South Wales, Sydney, Australia.,Sydney Pharmacy School, Faculty of Medicine & Health, The University of Sydney, Sydney, Australia.,Department of Clinical Pharmacology & Toxicology, St Vincent's Hospital, Sydney, Australia
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