Whither trial-based economic evaluation for health care decision making?

The randomised controlled trial (RCT) has developed a central role in applied cost‐effectiveness studies in health care as the vehicle for analysis. This paper considers the role of trial‐based economic evaluation in this era of explicit decision making. It is argued that any framework for economic...

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Bibliographic Details
Published in:Health economics 2006-07, Vol.15 (7), p.677-687
Main Authors: Sculpher, Mark J., Claxton, Karl, Drummond, Mike, McCabe, Chris
Format: Article
Language:English
Subjects:
Cost effectiveness
Cost-Benefit Analysis
decision analytical modelling
Decision Making
Delivery of Health Care - economics
Economic analysis
economic evaluation
Health care
Humans
randomised controlled trials
Randomized controlled trials
Randomized Controlled Trials as Topic
State Medicine
United Kingdom
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Summary:The randomised controlled trial (RCT) has developed a central role in applied cost‐effectiveness studies in health care as the vehicle for analysis. This paper considers the role of trial‐based economic evaluation in this era of explicit decision making. It is argued that any framework for economic analysis can only be judged insofar as it can inform two key decisions and be consistent with the objectives of a health care system subject to its resource constraints. The two decisions are, firstly, whether to adopt a health technology given existing evidence and, secondly, an assessment of whether more evidence is required to support this decision in the future. It is argued that a framework of economic analysis is needed which can estimate costs and effects, based on all the available evidence, relating to the full range of possible alternative interventions and clinical strategies, over an appropriate time horizon and for specific patient groups. It must also enable the accumulated evidence to be synthesised in an explicit and transparent way in order to fully represent the decision uncertainty. These requirements suggest that, in most circumstances, the use of a single RCT as a vehicle for economic analysis will be an inadequate and partial basis for decision making. It is argued that RCT evidence, with or without economic content, should be viewed as simply one of the sources of evidence, which must be placed in a broader framework of evidence synthesis and decision analysis. Copyright © 2006 John Wiley & Sons, Ltd.
ISSN:1057-9230
1099-1050
DOI:10.1002/hec.1093