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Last Posted: Mar 21, 2023
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Digital therapeutics from bench to bedside
C Wang et al, NPJ Digital Medicine, March 10, 2023

As a new therapeutic technique based on digital technology, the commercialization and clinical application of digital therapeutics (DTx) are increasing, and the demand for expansion to new clinical fields is remarkably high. However, the use of DTx as a general medical component is still ambiguous, and this ambiguity may be owing to a lack of consensus on a definition, in addition to insufficiencies in research and development, clinical trials, standardization of regulatory frameworks, and technological maturity.

A "one-size-fits-most" walking recognition method for smartphones, smartwatches, and wearable accelerometers.
Marcin Straczkiewicz et al. NPJ digital medicine 2023 2 (1) 29

We propose a walking recognition method for sub-second tri-axial accelerometer data, in which activity classification is based on the inherent features of walking: intensity, periodicity, and duration. We validate our method against 20 publicly available, annotated datasets on walking activity data collected at various body locations (thigh, waist, chest, arm, wrist). We demonstrate that our method can estimate walking periods with high sensitivity and specificity:

The role of patient-reported outcome measures in trials of artificial intelligence health technologies: a systematic evaluation of records (1997–2022)
FJ Pierce et al., The Lancet Digital Health, February 2023

The search identified 2958 trials, of which 627 were included in the analysis. 152 (24%) of the included trials used one or more PROM, visual analogue scale, patient-reported experience measure, or usability measure as a trial endpoint. The type of AI health technologies used by these trials included AI-enabled smart devices, clinical decision support systems, and chatbots. The number of clinical trials of AI health technologies registered on and the proportion of trials that used PROMs increased from registry inception to 2022.

Digital health interventions for non-communicable disease management in primary health care in low-and middle-income countries
S Xiong et al, NPJ Digital Medicine, February 1, 2023

Of 8866 results, 52 met eligibility criteria (31 reviews, 21 trials). Benchmarked against World Health Organization’s digital health classifications, only 14 out of 28 digital health intervention categories are found, suggesting critical under-use and lagging innovation. Digital health interventions’ effectiveness vary across outcomes: clinical (mixed), behavioral (positively inclined), and service implementation outcomes (clear effectiveness).

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