Digital Cognitive Behavioral Therapy for Chinese Adolescents With Depressive Symptoms (CADS-D): A Randomized Clinical Trial
Led by First Affiliated Hospital of Chongqing Medical University · Updated on 2026-01-27
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9 weeks
Total Duration
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What this Trial Is About
Researchers are evaluating the effectiveness and feasibility of a new digital cognitive behavioral therapy (DCBT) program called CADS-D for Chinese adolescents aged 12 to 18 years who have depressive symptoms. This trial compares the DCBT program to the usual mental health education provided by school staff. The study measures changes in depression symptoms and other mental health factors over time to understand how well the digital therapy works for this group.
Participants in the intervention group will use the Moca mobile app, which delivers structured CBT through six to twelve weekly guided sessions lasting about 25 to 45 minutes each. These sessions include core CBT concepts, counseling dialogues, skill exercises, and homework assignments presented in various formats like text, animation, audio, and comics. The control group will follow the regular mental health curriculum provided by schools for six weeks. Both groups complete their programs over a six-week period.
Participants will be assessed at the start, after six weeks, and again three months later. The study tracks depression severity using the Children's Depression Rating Scale, along with anxiety levels, psychological resilience, quality of life, and the feasibility of the digital therapy. They also monitor participants' mood during the intervention. The total participation lasts about 18 weeks, including follow-up, with safety and progress regularly evaluated throughout.
CONDITIONS
Brief Title
Digital Cognitive Behavioral Therapy for Chinese Adolescents With Depressive Symptoms(CADS-D )
Who Can Participate
Age: 12Years - 18Years
All Genders
Eligibility Criteria
You may qualify if you...
Age 12 to 18 years
Scored 28 or higher on the children's depression rating scale-revised (CDRS-R)
Ability to read and write in Chinese
Participant and at least one guardian provided written consent
Access to a mobile phone and internet
You will not qualify if you...
Depressive symptoms are too severe to participate
Scored 5 or higher on item 13 (suicidal ideation) on CDRS-R
Diagnosis of other mental disorders besides depression
Severe physical illnesses or disabilities preventing use of DCBT
Currently or within past three months receiving antidepressant, psychotherapy, or physical therapy
Unavailable for follow-up after intervention period
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Complete this quick 3-step screening to check your eligibility
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Treatment
Duration - 6 weeks
Participants receive either a digital cognitive behavioral therapy program or the regular mental health curriculum provided by school staff over 6 weeks.
Baseline visit and post-intervention visit at 6 weeks
Follow-up
Duration - 12 weeks
Participants are assessed for outcomes 3 months after the intervention ends to evaluate lasting effects.
1 follow-up visit at 18 weeks
Trial Site Locations
Total: 1 location
1
The First Affiliated Hospital of Chongqing Medical University
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