MindfulCityU-- A Mindfulness Mobile Application for Promoting University Students' Mental Health

The research aims to investigate the effectiveness a mobile phone application-based (app-based) mindfulness interventions for university students with mild depressive symptoms. This study adopts a multicentre randomized control trial two arms research design. A randomised controlled trial will compare a newly designed mobile phone application-based (app-based) mindfulness interventions, named MindfulCityU, with a waitlist control group to determine whether the MindfulCityU produces better intervention outcomes on promoting mental health for university students, including depressive symptoms, mindfulness, and wellbeing. The MindfulCityU provides 8 online modules on mindfulness for participants to access and learn at home through their smartphones and/or computer. Participants of waitlist control group participants receive no active intervention at the initial stage and receive the same MindfulCityU at a later stage. Participants will complete online standardized assessment tools on their intervention outcomes before and after the intervention and 2-months follow-up. The ethical considerations of this study were reviewed and approved by the Human and Artefacts Ethics Sub-Committee of the City University of Hong Kong in 2025.

NCT Number	NCT07392632
Lead Sponsor	City University of Hong Kong
Conditions	Depressive Symptoms
Enrollment	120 participants
Start Date	2026-09-01
Primary Completion	2027-03-31 (estimated)
Study Completion	2027-06-30 (estimated)
Updated on ClinicalTrials.gov	2026-04-24