Medidata Patient Cloud eCOA is a mobile application designed to help healthcare professionals, researchers, and patients collect, manage, and interpret electronic data. It facilitates the exchange of data between healthcare professionals and patients, clinical researchers, and clinical trial participants. eCOA offers a mobile app to support the data collection needs of healthcare professionals, including clinical researchers, healthcare professionals, and patients. eCOA is a secure, mobile platform that uses Android mobile devices, and tablets to deliver clinical trial data capture tools to clinical researchers and patients.