__ / _ / 3H P-Guardian __ / _ /“3H P-Guardian” is an app that helps patients and clinical trial subjects keep regular records of treatment and post-medication symptoms.This record (* 1) is accumulated as PHR (* 2), and medical institutions (healthcare workers, researchers, etc.) who introduced “3H P-Guardian” for the purpose of treatment and clinical trials have symptoms and adverse events. It is possible to monitor (* 3) signs of onset.* 1: ePRO: electronic Patient Reported Outcomes* 2: PHR: Personal Health Record* 3: Monitoring requires the “3H P-Guardian Medical System” that can only be used by healthcare professionals.