Effectiveness of Group-Based Acceptance and Commitment Therapy Compared to Individual Psychotherapy for Young People with Depression and Anxiety Aged 16 to 25

What this Trial Is About

Researchers are evaluating two psychological treatment approaches for young people aged 16 to 25 who experience symptoms of depression, anxiety, stress, or difficulties in relationships. This study compares group-based Acceptance and Commitment Therapy ACT with treatment as usual TAU, which is typically individual psychotherapy. The goal is to determine if the group-based ACT is as effective or more effective than standard individual therapy in helping young people with mental health challenges. The study uses a randomized controlled design to systematically compare outcomes between these two treatments. The group-based ACT intervention involves a structured program where participants meet regularly in groups of up to 10, guided by trained therapists. The therapy focuses on increasing psychological flexibility by fostering acceptance, mindfulness, values clarification, and committed action. The TAU group receives standard individual psychotherapy tailored to their clinical needs and usual care practices. Both treatments are delivered within routine clinical mental health services. Treatment sessions are manualized for ACT to ensure consistency, and the TAU treatment varies based on clinical judgment. Participants complete assessments at several points before treatment, during treatment at 6 weeks, post-treatment at 12 weeks, and follow-ups at 6 and 12 months. Evaluations include self-report questionnaires and clinician interviews measuring symptoms of depression, anxiety, psychological distress, quality of life, functioning, and psychological flexibility. Ecological momentary assessment is also used via a digital platform to track daily changes during treatment. Safety is monitored, and participants may leave the study at any time. The total participation spans up to one year to monitor long-term effects and changes.

Group-based ACT for Psychological Distress of Young People