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Digital Health as an Enabler for Patient-Centric, Outcome-Based Care - Psychiatric Times

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Date: 2022-08-11 20:08:13

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There has been a recent revolution in the development of digital health solutions for various chronic conditions. However, there are relatively few examples of digital health solutions that have been widely adopted in real-world health care settings and are measurably improving patient outcomes or helping health care systems deliver efficient and patient-centric care. From our vantage, there are some fundamental reasons for this “translational gap,” which, if addressed, can go a long way in helping realize the full potential of digital health technologies.

We use mental health/illness as an exemplar because brain-related illnesses will be at the forefront of digital health revolution, as their course can be monitored, outcomes can be measured via digital phenotyping, and interventions can be delivered digitally and remotely. Furthermore, the challenges and opportunities in digital mental health have been further highlighted by the ongoing COVID-19 pandemic, which has added fuel to an already brewing mental health crisis.

Mental Illnesses: The Need and the Opportunity

Mental illnesses represent some of the most prevalent and disabling conditions. Depressive disorders ranked number 4 in age group 10-24 and number 6 in age group 25-49 in the list of leading global causes of level 3 disability-adjusted life-years (DALYS)1 and are associated with a wide range of negative outcomes, including loss of occupational function,2 reduced quality of life,3 and premature mortality.4 A key barrier to addressing these challenges stems from inadequate metrics to assess disease status, treatment effectiveness, and patient-relevant outcomes.

Mental illnesses do not have a clear outcome measure such as HbA1C in diabetes; instead, efficacy and outcome measures utilized in clinical practice today are complex and subjective, and are only sporadically collected or recorded in databases. As a result, assessment of quality of mental health care often defaults to the more easily measured process and structure metrics, which are distal from true patient outcomes, and, although they are easier to measure, improvement in these metrics does not always translate to improvement in patient-centric outcomes.5 This hampers outcome-relevant assessment of quality, which in turns hampers creation of value-based incentive structures that would lead to true patient-centric care and direct resources based toward the most impactful interventions (“pay for performance”).

The relative value of patient-generated digital data in driving measurement- and outcome-based care will be disproportionately high in mental health since brain-based disorders manifest with changes in behavior, cognition, and mood that are ripe for digital phenotyping. For example, recent and ongoing digital phenotyping efforts in patients with depression are demonstrating correlations between symptom severity and smartphone and wearable-derived features relevant to daily functioning such as physical activity and sleep as measured by actigraphy,6 cognition as inferred from key-strokes,7 home-stay as measured by GPS mobility,8 sociability as measured by blue-tooth handshakes,9 and anxiety or stress as detected in speech features (natural language processing, or NLP) or physiological read-outs such as Galvanic Skin Response (GSR) and Heart Rate/Heart Rate Variability (HR/HRV). Such digital readouts can be more sensitive to real-time measures of symptom severity, functional impairment, and recovery status than episodic clinical assessments. These digital measures may also serve as proxy measures to assess value and efficacy of clinical care and interventions.

Of course, payers and clinicians will require that evidence for this be generated through long-term digital phenotyping studies that relate digital biomarkers with clinical milestones and cost. This will require long-term adherence to digital phenotyping solutions from the ultimate data source: the patient. Adoption and adherence have been challenges10 that can only be addressed if, regardless of the eventual utility for clinicians and payers, digital phenotyping solutions treat the patient as their first and foremost customer.

Using Patient-Generated Data and Digital Tech for Patient-Centric Care

Utilizing digital health technologies and patient-generated data for enabling outcome-based care hinges on developing a “data partnership” with the patient that is built on principles of trust, mutual benefit, and informed data access and use. This will become more urgent as advances in wearable technology and mobile health provide patients greater control over, access to, and use of their personalized health data. In fact, eventually the boundary between health care data primarily housed in electronic health records (EHRs) and so-called patient-generated health data will blur as agency shifts to the patient and we realize that all data—whether in EHRs or generated by wearable devices—is ultimately patient-generated, and thus, is patient owned and controlled.

Matters of privacy, transparent consenting, and, more broadly, trust are clearly “table stakes” for patient participation in a digital data collection regime. Beyond that, in our experience, conducting long-term multimodal digital phenotyping studies in patients with mental illnesses, 3 factors are most important for patient acceptance, engagement, and long-term adherence. First, any sustained digital phenotyping data collection, in the context of research studies or clinical care, must provide immediate “here and now” value and utility back to the patient, over the friction and burden it creates. This equation can be helped by relying on passive data collection and developing bandwidth-frugal applications with minimal impact on smartphone battery life and other factors important to patients.

Furthermore, the end-user interface and visualizations must be engaging and useful to patients.11,12 Designing such a solution requires a systematic data-driven understanding of patients’ attitudes, motivations, and barriers toward data collection.13 It is important to follow the common tech industry practice of co-designing solutions in close partnership with end-customers (patients), with iterative learn and improve cycles. We may find ourselves surprised at how often the end-users’/patients’ views on which features are important to them diverge from experts’ preconceived notions.14

Second, altruism remains a significant motivator; most patients diagnosed with a serious condition are willing—even eager—for their data to be utilized in research that helps their fellow patients, assuming privacy and security safeguards. This propensity to be part of citizen-science efforts should be leveraged to develop “learning engines” wherein pooled, deidentified digital phenotyping data can be used to solve important problems of broad utility and impact.

Finally, we see physicians’ use of patient-generated data to improve clinical care as crucial motivator for patients to adhere to a digital data regime. In fact, this is perhaps the single most important criterion for patients with serious mental illness who are under the care of a clinician. From the physician’s perspective, the data and visualizations should make the clinic visit more efficient and should integrate readily with their current workflows. Such a system will also improve outcomes by improving patient engagement and enabling more measurement-based care,15 which is known to improve outcomes.16 We believe digital health solutions that enhance the patient-physician interface and generate near-term value for both may require more effort for initial uptake, but are most likely to stick than direct-to-patient approaches often utilized by insurance companies and digital health solution providers.

While physicians’ awareness of patient-derived digital data and overall digital platforms was already on the upswing prior to COVID, the pandemic has provided further tailwinds for such solutions.17 The initial deployment of digital phenotyping in clinical care settings will necessarily rely on validated self-reported scales of symptoms, function, and quality of life such as the disease set recommendations by the International Consortium for Health Outcomes and Measurement (ICHOM)18 to implement simple, interpretable flags and known treatment algorithms to aid clinical decision making.

Eventually, growing datasets will enable validation of digital biomarkers and predictive algorithms that are leading indicators of disease burden, health care utilization, crises, relapses, and other cost-driving events that could provide payers with real-time, leading quality metrics that can duly reward risk reduction and preemption. The Figure summarizes the framework of a “learning engine”19 digital health solution that we think can be deployed in mental health to bring together patient-derived digital data and clinical data from EHRs to deliver value to all key stakeholders: patients, physicians, and payers.

The previously described digital phenotyping framework could become an extension of existing EHRs and clinical decision-enabling software systems, but given the already noted challenges in integrating patient-generated health data (PGHD) into EMRs,20 we expect earlier evolution of stand-alone digital phenotyping solutions that are interoperable with multiple EMR systems.

Collection of longitudinal digital phenotyping data at scale in the real world would necessarily imply reliance on data from patient-owned consumer devices. This will require a concerted effort to develop platform-independent data standards and APIs that can ensure that digital biomarker readouts across different devices are comparable.

Increasingly, data will be analyzed and appropriate features extracted in-situ on the device, which will ease privacy concerns and reduce bandwidth requirements, both of which can severely limit scalability and deployment. We should also note that digital phenotyping solutions that collect continuous data for asynchronous use during patient-physician interaction are distinct from—and in fact, complementary to and synergistic with—synchronous telemedicine solutions that enhance physician reach and accessibility.

In addition to lack of actionable patient-generated outcomes data, true patient-centric and value-based care in mental health is also hindered due to fissures between mental and physical care (ie, a lack of a “whole person” approach). For instance, there is mounting evidence that patients suffering from mental health conditions have markedly poorer outcomes while incurring significantly higher direct medical costs for their physical comorbidities.21 However, such comorbid depression is often undiagnosed or otherwise poorly treated, if at all. Remote assessments and digital diagnostics now offer new scalable ways to detect depression and anxiety and set individuals on a path to formal diagnosis. Digital health solutions can also provide evidence-based tools for self-monitoring, self-care, and management of depression, anxiety, and stress for patients with a primary physical health diagnosis.

Furthermore, comorbid patients can be provided access to high-quality behavioral health care virtually. The virtual behavioral health team can work in partnership with primary/secondary providers treating their chronic physical comorbidities. In this context, use of physician-supervised or autonomous digital therapeutics can also be considered to further address behavioral health co-morbidities in a scalable and effective manner.

Original Source: https://www.psychiatrictimes.com/view/digital-health-as-an-enabler-for-patient-centric-outcome-based-care