Internet-Delivered Cognitive Behavioral Therapy for Anxiety Disorders in Youth

Internet-delivered cognitive behavioural therapy (ICBT) has emerged as a scalable, evidence-based intervention to address anxiety disorders in children and adolescents. By translating core CBT techniques—such as cognitive restructuring, exposure exercises and skills training—into self-paced online modules, ICBT programmes extend reach beyond traditional clinics and reduce barriers of cost, geography and stigma. Models range from wholly self-guided, open-access platforms to multicomponent treatments incorporating real-time therapist support via telephone or videoconferencing. Stepped-care frameworks further optimise resources by offering low-intensity interventions first and “stepping up” to guided support only when symptoms persist. Meta-analyses and large-scale implementation studies demonstrate moderate to large reductions in anxiety symptoms, with stronger outcomes typically seen in programmes that integrate human guidance. Key challenges include maintaining engagement, predicting and preventing dropout, and ensuring consistent therapeutic alliance in a digital environment. Advances in persuasive design, automated monitoring and adaptive pacing are addressing these limitations, while cost-effectiveness analyses underscore the potential for health-system savings and increased school attendance. Globally, ICBT is now being integrated into stepped-care pathways and school-based prevention efforts, highlighting its role as both a first-line treatment and a preventive tool in youth mental health.

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Internet-Delivered Cognitive Behavioral Therapy for Anxiety Disorders in Youth publication trend

The graph below shows the total number of articles in internet-delivered cognitive behavioral therapy for anxiety disorders in youth across all publications each year (not limited to Nature Index journals).

Technical terms

Cognitive behavioural therapy (CBT): A structured, time-limited psychotherapy that teaches individuals to identify and modify unhelpful thoughts and behaviours linked to emotional distress.

Internet-delivered cognitive behavioural therapy (ICBT): The delivery of CBT principles and exercises via online platforms, with optional therapist support, to expand access and flexibility.

Stepped-care approach: A tiered treatment model that begins with low-intensity interventions and escalates to higher-intensity support only if initial measures fail to achieve clinical response.

Therapeutic alliance: The collaborative bond between therapist (or digital coach) and patient, encompassing trust, agreement on goals and mutual engagement, which is predictive of treatment adherence and outcome.

References

1. Integrating Videoconferencing Therapist Guidance Into Stepped Care Internet-Delivered Cognitive Behavioral Therapy for Child and Adolescent Anxiety: Noninferiority Randomized Controlled Trial. JMIR Mental Health (2025).
2. Predictors of dropout, time spent on the program and client satisfaction in an internet-based, telephone-assisted CBT anxiety program among elementary school children in a population-based sample. European Child & Adolescent Psychiatry (2024).
3. Therapist-Guided Internet-Delivered Cognitive Behavioral Therapy vs Internet-Delivered Supportive Therapy for Children and Adolescents With Social Anxiety Disorder. JAMA Psychiatry (2021).
4. Design and Delivery Features That May Improve the Use of Internet-Based Cognitive Behavioral Therapy for Children and Adolescents With Anxiety: A Realist Literature Synthesis With a Persuasive Systems Design Perspective. Journal of Medical Internet Research (2019).