Accepted for/Published in: Journal of Medical Internet Research
Date Submitted: Jan 18, 2023
Date Accepted: Sep 17, 2023
Medical Extended Reality Trials: Building Robust Comparators, Controls, and Sham
ABSTRACT
The explosive pace of development and research in medical extended reality (MXR) is a testament to its promise for healthcare and medicine. In comparison with this growth, there is a relative sparsity of rigorous clinical trials that establish the efficacy and effectiveness of these interventions. Explicating mechanisms of action across clinical areas and MXR applications is another major area of need. A primary impediment to these goals is a lack of frameworks for trial design, more specifically, selection of appropriate controls that effectively address unique elements of MXR. This paper delineates a framework for designing controls, sham conditions, and comparators, as well as proposed considerations for MXR trial designs. Special consideration is given to the design of sham conditions. Improved designs would enable more robust findings and the development of generalizable knowledge that could be adopted across MXR interventions.
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