Our research team at HealthXL has recently completed a report on digital health for medication adherence in collaboration with key stakeholders in the field. This report outlines the key questions faced by healthcare providers and patients that must be addressed, in order to identify appropriate solutions for non-adherence using digital health solutions. peter chai Focusing on clinical perspective, we interviewed Peter Chai, MD and Medical Toxicology Fellow at the University of Massachusetts, Toxicologist and primary author of numerous publications on digital health studies. **Which solutions do you see delivering the greatest impact on improving medication **adherence? Measuring Adherence is Difficult Current measures of adherence rely on patient feedback through self-reporting, pharmacy prescription refills and advancing technology like smart pill bottles. These measures of adherence have varying levels of accuracy, and indirectly measure adherence in aggregate. Adherence data is difficult to interpret – how sure can you be for oral medication that the opening of a smart pill cap/box correlates with the patient actually taking the medication. Digital Pills Deliver the Greatest Impact Digital pills provide direct, real-time measures of adherence by monitoring true ingestion events. Medications coupled with an ingestible biosensor that activates only upon contact with the stomach ensures that remote signals of adherence are true. Not only does this improve upon the quality of the data, but ingestible biosensing allows for detection of nascent episodes of non-adherence, allowing clinicians to intervene before behaviors associated with nonadherence become ingrained. How do you see devices like these incorporating into your daily consults? As an emergency medicine physician, ingestible biosensors can be used to improve home care, assess post-discharge, discover medication ingestion patterns and help ensure patients adhere to their medication regimens. Real-time medication adherence data already enhances my consultant process with patients. I can address irregularities with prescription patterns at an early stage and without over-reliance on subjective data from patients. The application of smart technology to monitor adherence will only increase. The question is in what form? In a younger tech-savvy population, apps and connected devices will gain traction. In older populations we will need to rely more on passive monitoring and interventions.

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