educating patients & providers in clinical pharmacogenetics: … · 2018. 11. 5. ·...
TRANSCRIPT
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Precision Medicine ConferencePrecision Medicine Conference
Educating Patients & Providers in Clinical Pharmacogenetics:
Efficient and Effective Strategies
Susanne Haga, PhDDuke University School of MedicineCenter for Applied Genomics &
Precision Medicine
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• I declare no conflicts of interest, real or apparent, and no financial interests in any company, product, or service mentioned in this program, including grants, employment, gifts, stock holdings, and honoraria.
• The University of Florida College of Pharmacy is accredited by the Accreditation Council for Pharmacy Education as a provider of continuing pharmacy education.
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Disclosure
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Overview• Need for PGx Education • Strategies for PGx Education (Who, What, When, How?)• Barriers to PGx Education• Metrics of Success for PGx Education
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PGx Educational Needs Assessment
PROVIDERS
Reported lack of awareness/knowledge deficit– Limited test utilization– Limited discussion with patients– Adverse impact on test interpretation and application of results to therapeutic decision‐making
PATIENTS
Reported unfamiliarity with PGxtesting– Adverse impact on informed decision‐making
– Missed opportunity to reduce anxiety about medications
– Missed opportunity to improve adherence
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• American Association of Colleges of Pharmacy• American College of Clinical Pharmacy• American Society of Health System Pharmacists
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Recognition of Value and Need for PGxEducation from Professional Organizations
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Lab
Nurse
Provider
Patient
Pharmacist
Multi-Disciplinary Approach to the Delivery of PGx Testing?
What preparation/training does each group need to fulfill their role in the delivery of PGx testing?
• Knowledge? • Skills? • Attitude?
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Physician Competencies for PGx (2014)• Patient Treatment based on Genomic Results
– Patient Care– Knowledge for Practice– Practice‐based Learning & Improvement– Professionalism– Systems‐based Practice– Inter‐professional Collaborations– Personal and Professional Development
3B1. Appreciate the importance of genetic diversity of humans and the abundance of genetic variants in each individual genome
3B2. Identify single‐gene disorders that may be amenable to targeted pharmacological therapy
3B3. Recognize that genomic test results may guide choice of therapy for multifactorial disorders
3B4. Recognize that there is variability in the phenotypic expression of genetic variants and in response to therapy
3B5. Recognize that the effects of some medications are strongly influenced by inherited or somatically acquired genetic variation
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Nursing Competencies for PGx (2008)• Provision of Education, Care and Support
– Performs interventions/treatments appropriate to clients’ genetic and genomic healthcare needs• Pharmacogenomics, pharmacogenetics
– Administer medications safely with consideration of pharmacogenetic test results
– Administer prescribed genetic/genomic based therapies safely as allowed per State Practice Act
– Teach clients about purpose, expected benefits, limitations and potential risks of genetic/genomic based interventions
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Pharmacist Competencies for PGx (2016)• Basic Genetic Concepts (“B”)
3. To identify drug and disease associated genetic variations that facilitate development of prevention, diagnostic and treatment strategies; appreciate differences in testing methodologies and need to explore these differences in drug literature evaluation.4. To use family history (minimum of 3 generations) in assessing predisposition to disease and selection of drug treatment.
• Genetics and Disease (“G”)3. To appreciate that pharmacogenomic testing may also reveal certain genetic disease predispositions (e.g. Apo E4 polymorphism).
• Pharmacogenetics/Pharmacogenomics (“P”)1. To demonstrate an understanding of how genetic variation in a large number of proteins (e.g. drug transporters, metabolizing enzymes, receptor targets) influence pharmacokinetics and pharmacodynamics related to pharmacologic effect and drug response.2. To understand the influence of ethnicity in genetic polymorphisms and associations of polymorphisms with drug response.3. Recognize the availability of evidence based guidelines that synthesize information relevant to genomic/pharmacogenomic tests and selection of drug therapy (e.g. Clinical Pharmacogenomics Implementation Consortium).
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Pharmacist Competencies for PGx
• Ethical, Legal and Social Implications (ELSI) (“E”)1. To understand the potential physical and/or psychosocial benefits, limitations and risk of pharmacogenetic/pharmacogenomics information for individuals, family members and communities, especially with pharmacogenetic/pharmacogenomictests that may relate to predisposition to disease.2. To understand the increased liability that accompanies access to detailed genomic patient information and maintain the confidentiality and security.3. To adopt a culturally sensitive and ethical approach to patient counseling regarding genomic/pharmacogenomic test results.4. To appreciate the cost, cost‐effectiveness, and reimbursement by insurers relevant to genomic or pharmacogenomic tests, for patients and populations.
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Other Provider Competencies• Physician Assistants (2016)
– Discuss the range of genetic and genomic‐based approaches to treatment of disease
• Genetic Counselors (not mentioned)• Pathology/Laboratorians (not included)
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31 Flavors of Educational StrategiesProviders• Medical curricula• Residency/Training• CE/CME• Clinical decision support• Peer‐reviewed literature• Drug labels• Clinical guidelines• Professional meetings• Clinical decision supports/info buttons
• Test report• Lab support (GC/pharmacist)
Patients• Printed materials
(brochure)• Videos• Consent form• Test report• When in doubt, Google
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• Add PGx content to existing lectures;– Integrate assignments and test questions incorporating PGxknowledge;
– Include PGx‐focused objectives;• Create a curriculum thread focused on genetics and genomics;• Develop an elective PGx course that can be transitioned into a
required course• Collaborate with interdisciplinary colleagues to design courses and
curricula
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Strategies to Incorporate PGx in Curricula
Adapted from Essentials of Genetic and Genomic Nursing, 2nd Edition (2006)
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• In 2009‐10, 82% of US and Canadian medical (Doctor of Medicine, Doctor of Osteopathic Medicine) schools incorporated PGx into their curricula (Green et al., 2010)– 28% included >4 hrs of didactic coursework. – 76% of respondents considered PGx education to be ‘poor’ or ‘not at all adequate’ at most medical schools
• In 2009, 92% of US pharmacy schools had incorporated PGxinto curricula (14% from 2005) (Murphy et al., 2010; Latif & McKay, 2005)
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PGx Presence in Health Curricula
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• Required/Core Courses– Chicago State University College of Pharmacy: Pharmaceutical Biochemistry II ‐ Molecular Biology and Pharmacogenetics (Year 1/Spring semester)
– East Tennessee State University Bill Gatton College of Pharmacy: PMSC 4134 ‐ Pharmacokinetics and Pharmacogenomics (Year 2/Fall semester)
– Binghamton University ‐ SUNY School of Pharmacy and Pharmaceutical Sciences: PHRM 553‐ Pharmacy, Pharmacogenomics and Precision Medicine (Year 3)
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Examples in Pharmacy Curricula
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Residency/Training
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Continuing Education
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Experiential Learning
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Point-of-Care Education (Interactive Clinical Support)
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Point-of-Care Education (EMR-based Clinical Decision Support)
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2013
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Point of Care Education (Lab Reports)
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Point of Care Education (Lab Reports)
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Patient Education
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Educating Patients – Not a Singular Event
PRE‐TESTING PHASE• Description of test purpose, risks,
limitations, alternative options, and anticipated outcomes
• Patient education should be commensurate with the risks posed by testing
POST‐TESTING PHASE• Communication of results• Significance to/Options for
treatment• Impact on future treatments• Familial implications
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***Extent of patient discussion may vary considerably based on several factors: • Preemptive or point of care test• Degree of patient familiarity• Provider’s training, skill, knowledge and experience• Available resources
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• Decision aids differ from usual patient health education materials – Intended to make explicit the decision being considered, – Provide detailed, specific, and personalized focus on options and outcomes for the purpose of preparing people for decision making
• Pamphlets, videos, or web‐based tools• Can be used before, during, or after a clinical encounter to enable
patients to become active, informed participants
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Patient Educational Materials vs. Decisional Aids
(Stacey et al., Cochrane Database Syst Rev 2014)
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• To answer ‘what’, need to define objective of patient education on PGx– To promote informed decision‐making– To prepare patients for anticipated test outcomes– To promote awareness of testing and sharing of test results with other treating providers
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Educating Patients – What Should they Know about PGx?
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1. To promote informed decision‐making– Purpose– Benefits– Risks– Limitations– Alternatives
2. To prepare patients for anticipated test outcomes and impact on treatment– Normal (Standard of care), Known variant (adjusted dose or alternative medication)
3. To promote awareness of testing and sharing of test results with other treating providers– Testing for one clinical indication/treatment may be relevant for another treatment since medications are sometimes processed by the same genes in the body 29
Educating Patients – What Should they Know about PGx?
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Consent FormsLabs with accessible informed consent
21 62%
Type of consent Patient‐signed PGx‐specific
consent form3 14%
Patient‐signed general genetic testing consent form
8 38%
Patient‐signed consent statement within requisition form
4 19%
Provider assent only required 1 5%
No consent/assent collected by lab
5 24%
Haga & Mills, 2015
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Consent Forms
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Word count (overall) 568.2 68 –1040
Patient consent embedded in test requisition
231.5 68 –430
Patient consent as a separate form
680.4 363 –1040
Flesch‐Kincaid Reading Ease score2
39.8 24 –76.1
Flesch‐Kincaid Reading Grade3
12.5 5.6 –16.9
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FAQ/Informational Sheets
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Patient Videos
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Patient Educational Tools
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Post-Test: Patient Results Card
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Post-Test: Patient Results Card
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• A. Verbal patient counseling• B. Written patient information• C. Electronic educational resources (e.g., patient videos)• D. Patient results “wallet” card
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What is the primary educational method that you use/plan to use to inform patients about their pharmacogenetic test results?
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How do we know what works?
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• Outcomes‐driven models of evaluation: an educational program is considered effective if students achieve a predetermined outcome
• Criticisms: too narrow in scope, cannot account for unique factors related to learning, behavior change, and implementation
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Measuring Effectiveness of Educational Interventions
Participation
Attitudes, Knowledge,
Skills
Behavior Change
Systems‐level impact, such as improved patient
outcomes
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• Teacher Quality– Knowledgeable about subject matter– Effective approach in teaching subject matter
• Traditional lecture style• Interactive• Experiential
• Outcome Measures– Knowledge/Skills/Attitudes– Practice/Behavior
• Quality of Measures• Suitability for multiple audiences, practice settings, specialties (no validation)• Comparative effectiveness• Cost‐effectiveness
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Measuring Educational Effectiveness
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Inputs vs. Outputs
Teacher: Ability/extent to meet student needs (improving student performance)Student: Knowledge, performance
Outpu
ts
Inpu
ts
Teacher: Qualifications/ training, number of years teachingStudent: Number of courses taken (or hours spent) on a given topic
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• High‐quality evidence that decision aids (compared to usual care) improve people's knowledge regarding options, and reduce decisional conflict related to feeling uninformed and unclear about their personal values
• Moderate‐quality evidence that decision aids (compared to usual care) stimulate people to take a more active role in decision‐making, and improve accurate risk perceptions when probabilities are included in decision aids
• Low‐quality evidence that decision aids improve congruence between the chosen option and the patient's values
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Impact of Decisional Aids on Patient Decision-Making
(Stacey et al., Cochrane Database Syst Rev 2014)
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• International Patient Decision Aid Standards (IPDAS):– ‘Choice made' attributes
• Conceptual and numerical knowledge– ‘Decision‐making process' attributes
• Decisional conflict (reduced proportions of people who remained undecided post‐intervention or who were who were passive in decision making)
• Decisional self‐efficacy (preparation for decision making)• Patient‐practitioner communication• Satisfaction with decision and/or decision‐making process
• Patient Behavior: final decision, adherence to decision• Health outcomes: health status, psychological impact• Health‐system effects: cost, cost‐effectiveness, length of consultation
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Impact of Patient Decision Aids
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Curricula‐based/Elective
Continuing Education
In‐person: classroom
In‐person: Professional meetings, Grand RoundsOnline: MOOCs, Seminars, Literature
Clinical Decision Support
Student Provider Patient
Printed Resources
Experiential Learning
Point of Care Pre‐emptive/Point of Care
ientialrning
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Looking Ahead
• Currently, a lot of attention is focused on PGx to understand its role in drug response ….. but just a piece of the puzzle
• As evidence of clinical utility continues to be collected, the field has moved into clinical implementation • Facing challenges of preparing providers and patients who are largely unfamiliar with the science and application
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Looking Ahead
• Uneven efforts to educate providers and patients
• Multiple educational approaches with limited evaluation of changes/impacts on practice behavior
• Potential opportunity to integrate PGx into broader educational materials/ interventions on medications
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Questions? Thank you.