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AI-Based Digital Biomarker Could Assist in Early Intervention in High-Risk COVID-19 Patients

By HospiMedica International staff writers
Posted on 22 Sep 2020
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Image: AI-Based Digital Biomarker Could Assist in Early Intervention in High-Risk COVID-19 Patients (Photo courtesy of Business Wire)
Image: AI-Based Digital Biomarker Could Assist in Early Intervention in High-Risk COVID-19 Patients (Photo courtesy of Business Wire)
A first-in-kind tool that collects and analyzes continuous physiologic data could provide early clinical indicators of COVID-19 decompensation, offering healthcare providers invaluable insight necessary to intervene earlier and reduce poor patient outcome.

The National Cancer Institute (NCI) and the National Institute of Biomedical Imaging and Bioengineering (NIBIB) of the National Institutes of Health (NIH Bethesda, MA, USA) have awarded a contract to PhysIQ (Chicago, IL, USA) to develop an AI-based COVID-19 Decompensation Index (CDI) Digital Biomarker to address the rapid decline of high-risk COVID-19 patients. The new early warning system under development could allow providers to intervene sooner when a COVID-19 patient is clinically surveilled from home and begins to worsen. Rather than relying on point measurements, such as temperature and SpO2, that are known to be lagging or insensitive indicators of COVID-19 decompensation, continuous multi-parameter vital signs will be used to establish a targeted biomarker for COVID-19.

PhysIQ will develop and validate a CDI algorithm that builds off existing wearable biosensor-derived analytics generated by physIQ’s pinpointIQ end-to-end cloud platform for continuous monitoring of physiology. The data will be gathered through a clinical study of COVID-19 positive patients and build upon work already in-place for monitoring COVID-19 patients convalescing at home. For patients who participate in the program, physiological data will be collected before and after their admission to the hospital.

In the development phase of this project, physIQ and its clinical partner will monitor participants who are confirmed COVID-19 positive, whether recovering at home or following a discharge from the hospital. During the validation phase, physIQ will evaluate lead time to event statistics, decompensation severity assessments, and the ability for CDI to predict decompensation severity. The study is designed to capture data from a large, diverse population to investigate CDI performance differences among subgroups based on sex/gender and racial/ethnic characteristics. The project will not only enable the development and validation of the CDI, but also collect rich clinical data correlative with outcomes and symptomology related to COVID-19 infection. The index will build on physIQ’s prior FDA-cleared, AI-based multivariate change index (MCI) that has amassed more than 1.5 million hours of physiologic data, supporting development of this targeted digital biomarker for COVID-19.

“Despite the technological advances and attention paid to COVID-19, the healthcare community is still monitoring patient vitals the very same way as we did in the 1800s,” said Steven Steinhubl MD, Director of Digital Medicine at Scripps Translational Science Institute (STSI) and a physIQ advisor. “With the advances in digital technology, AI and wearable biosensors, we can deliver personalized medicine remotely giving caregivers new tools to proactively address this pandemic. For that reason alone, this decision by the NIH has the potential to have a monumental impact on our healthcare system and how we manage COVID-19 patients.”

Related Links:
The National Institutes of Health (NIH)
PhysIQ



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