A Personalized, Transdiagnostic Smartphone Intervention (Mello) Targeting Repetitive Negative Thinking in Young People With Depression and Anxiety: Pilot Randomized Controlled Trial

Imogen Bell   ^{1, 2} , PhD ;   Chelsea Arnold   ^{1, 2} , PhD ;   Tamsyn Gilbertson   ^{1, 2} , MPsych, MSc ;   Simon D’Alfonso   ^{1, 3} , PhD ;   Emily Castagnini   ^{1, 2} , MPH ;   Nicola Chen   ^{1, 2} , PhD ;   Jennifer Nicholas   ^{1, 2} , PhD ;   Shaunagh O’Sullivan   ^{1, 2} , MPsychSc ;   Lee Valentine   ^{1, 2} , PhD ;   Mario Alvarez-Jimenez   ^{1, 2} , PhD

¹ Orygen, Melbourne, Australia

² Centre for Youth Mental Health, University of Melbourne, Melbourne, Australia

³ School of Computing and Information Systems, University of Melbourne, Melbourne, Australia