Is value portable? An examination of contextual and practical considerations that affect the transferability of value assessments between settings

Objectives The extent to which value assessments are uniquely deployed in any given geographic setting is variable. Increasingly, markets are seeking insights from external health technology assessments (HTAs) to assist with decisions surrounding the adoption of new technologies. We reviewed the environment, infrastructure, and practice of value assessment in six countries, with a focus on how these elements influence the transferability of value assessments between settings. Methods We reviewed the diverse settings in which six organizations conducting HTA operate, and explored how differences might affect the transferability of value assessment. We focused attention on Australia's Pharmaceutical Benefits Advisory Committee, China's National Center for Medicine and HTA, Germany's Institut fur Qualitat und Wirtschaftlichkeit im Gesundheitswesen, Japan's Center for Outcomes Research and Economic Evaluation for Health (Core 2 Health), the National Institute for Health and Care Excellence in England and Wales, and the Institute for Clinical and Economic Review in the United States. Results HTA is adopted to address unique objectives for a given health system and is tailored to support local standards and preferences. Some elements of a value assessment, such as evidence on clinical effectiveness, may be more transferable than others. It is challenging to appropriately adjust external assessments to the local context. Conclusions Contextual differences influence both the role and application of HTA. These differences limit the transferability of value assessments from one setting to another. De novo appraisals, customized to the local decision context, are the ideal approach to determinations about value.