Real-world data are essential for sound coverage and reimbursement decisions. The types and applications of such data are varied, and context matters greatly in determining the value of a particular type in any circumstance. It is critical that policymakers recognize the benefits, limitations, and methodological challenges in using RW data, and the need to consider carefully the costs and benefits of different forms of data collection in different situations.
Published evidence of the content validity of a PRO instrument for an intended application is often limited. Such evidence is, however, important to evaluating the adequacy of a PRO instrument for the intended application. This article provides an overview of key issues involved in assessing and documenting content validity as it relates to using existing instruments in the drug approval process.
Health and well-being can be defined and measured in many ways. For example, symptoms usually involve 1 The concept also appears as identical objectives in three priority areas (8.1, 17.1, and 21.1).
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