ProCTTH is an innovative mobile application designed to streamline virtual, hybrid, and decentralized clinical trials. Tailored to meet the evolving needs of modern clinical research, ProCTTH offers seamless integration of patient data collection, remote monitoring, and real-time communication between participants and study coordinators. The app enhances trial efficiency by enabling participants to conveniently report outcomes, schedule virtual visits, and access study resources from their smartphones. With robust security features and compliance with regulatory standards, ProCTTH ensures data integrity and privacy, making it an essential tool for researchers aiming to conduct clinical trials with greater flexibility and reduced logistical challenges.