cadth 2015 a1 symposium talk 2015
TRANSCRIPT
In Search of Efficiency, Consistency, Fairness, and Impact in HTA: The Case for Clinical
Pathway Management and Modelling
Stirling Bryan, PhD
Graham Scotland, PhD
Mohsen Sadatsafavi, PhD
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Overview of session
• Stirling Bryan:– In Search of Efficiency, Consistency, Fairness, and
Impact in HTA
• Graham Scotland– Modelling screening and treatment pathways for
diabetic retinopathy
• Mohsen Sadatsafavi– The case for whole disease modelling in COPD
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Disclosures and Acknowledgements
• I am not aware of any actual or potential conflicts of interest in relation to this presentation.
• Some of my relevant current activities:– Chair, CADTH’s Health Technology Expert Review Panel– Member, CADTH’s Economic Evaluation Guidelines Working
Group– Member, BC’s Health Technology Assessment Committee– Director, VCH’s Centre for Clinical Epidemiology & Evaluation
• Collaborators on this topic– Graham Scotland, University of Aberdeen; Mohsen Sadatsafavi,
UBC; Craig Mitton, UBC; Cam Donaldson, Glasgow Caledonian University; Laurie Goldsmith, SFU; Rick Sawatzky, TWU
– And many, many more…
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Technology adoption
Technology management
Pathway management
Overview of talk
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Technology management questions
• Assessment: – Does the technology, as currently used, deliver value?
• Improvement: – Can more cost-effective utilization of the technology
be achieved through modification of the clinical protocol?
• Withdrawal: – Should the technology no longer be in routine use
and, hence, a process of withdrawal commenced?
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Technology management questions
• Assessment: – Does the technology, as currently used, deliver value?
• Improvement: – Can more cost-effective utilization of the technology
be achieved through modification of the clinical protocol?
• Withdrawal: – Should the technology no longer be in routine use
and, hence, a process of withdrawal commenced?
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GRAHAM’S TALK
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Technology adoption
Technology management
Pathway management
Overview of talk
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Pathway management
• Clinical pathway: defined sequence(s) of use of alternative health technologies
• Pathway modelling becomes the foundation of HTA activity
Barton et al, 2004
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Chen et al, 2006
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Pathway management and ‘resource stewardship’
• ‘Resource stewardship’– A culture where resource scarcity is openly acknowledged and
recognized as a shared responsibility
• Pathway model development is a collaborative effort– Active engagement of, and ownership by, key stakeholders, including
clinical leaders, policy makers, patients and analysts
• The reference pathway model defines the resource envelope– Constraints on pathway reconfiguration are transparent
• Proposed changes to the clinical pathway evaluated using the reference model– Opportunity cost considered explicitly
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Stewardship facilitated through pathway modelling
Clinical leaders
and care teams
HTA analysts
Policy makers and managers
Patients and carersIndustry
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Pathway management and ‘resource stewardship’
• ‘Resource stewardship’– A culture where resource scarcity is openly acknowledged and
recognized as a shared responsibility
• Pathway model development must be a collaborative effort– Active engagement of, and ownership by, key stakeholders, including
clinical leaders, policy makers, patients and analysts
• The reference pathway model defines the resource envelope– Constraints on pathway reconfiguration are transparent
• Proposed changes to the clinical pathway evaluated using the reference model– Opportunity cost considered explicitly
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Pathway management example
In RA, recent evidence suggests anti-TNF, biological treatment (infliximab) not superior to conventional combination therapy (MTX, SSZ, HCQ)
Barton et al, 2004
Eriksson et al, 2013
17Scholz & Mittendorf, 2014
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Model validation…
“Computer models are no different from
fashion models…
seductive, unreliable, easily corrupted and
they lead sensible people to make fools
of themselves.”Jim Hacker, ‘Yes, Prime Minister’
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In conclusion
• Let’s break our addiction to technology adoption
• Pathway modelling as a centrepiece of HTA work supports development of a stronger ‘resource stewardship’ culture
• The mechanism:– Quantification of resource commitment to a given clinical area– Explicit consideration of opportunity cost– Simultaneous consideration of investments and disinvestments– Analysis of technologies at different points in a clinical pathway,
or even across different disease pathways
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MOHSEN’S TALK