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Symposia

Adult -ADHD

Advancing Cognitive Behavioral Therapy for Adult ADHD in Japan: Innovations and Cultural Adaptations

2 - (SYM 9) Long-term Effectiveness of Videoconference-based Cognitive Behavioral Therapy in Medication-treated Adults with ADHD : One-year Follow-up of a Randomized Controlled Trial

Friday, November 21, 2025
3:27 PM - 3:48 PM CST
Location: Celestin F, Level 3
Keywords: ADHD, Adult, Culture
Recommended Readings: Safren, S. A., Otto, M. W., Sprich, S., Winett, C. L., Wilens, T. E., & Biederman, J. (2005). Cognitive-behavioral therapy for ADHD in medication-treated adults with continued symptoms. Behaviour Research and Therapy, 43(7), 831–842.,   Ramsay, J. R., & Rostain, A. L.(2014). Cognitive Behavioral Therapy for Adult ADHD: An Integrative Psychosocial and Medical Approach (English Edition), Routledge,   Knouse, L. E., Hu, X., Sachs, G., & Isaacs, S. (2022). Usability and feasibility of a cognitive-behavioral mobile app for ADHD in adults. PLOS Digital Health, 1(8),   Takamatsu, N., Nakashima, M., Matsuura, K., Umemoto, I., Ito, M., Kanazawa, J., Tomiyama, H., Kondo, M., Tachimori, H., Nakao, T., Horikoshi, M., & Kuga, H. (2024). A multicenter, single-group, open feasibility study of a new individual cognitive behavioral therapy program for adult Japanese patients with attention-deficit/hyperactivity disorder: A study protocol. Psychiatry and Clinical Neuroscience Reports, 3.,  
Abstract Body

Attention-Deficit/Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterized by inattention, hyperactivity, and impulsivity, which often persists into adulthood. Although pharmacological treatments can be effective, they are frequently associated with adverse effects and high dropout rates, highlighting the need for complementary therapeutic approaches. Videoconference-based Cognitive Behavioral Therapy (vCBT) has emerged as a promising intervention, particularly for improving treatment accessibility during the COVID-19 pandemic. This study conducted a randomized controlled trial (RCT) with assessor blinding to evaluate the efficacy of vCBT in adults with ADHD undergoing pharmacotherapy compared with treatment-as-usual (TAU).

The results showed that the vCBT group (n=15) had a significantly greater reduction in the total ADHD Rating Scale-IV (ADHD-RS-IV) score compared to the TAU group. In addition, the vCBT group exhibited significant improvements in self-reported inattention, hyperactivity, impulsivity, quality of life (QOL), and work-school performance. However, previous studies primarily demonstrated only short-term effects.

To address this limitation, we conducted follow-up assessments, including interviews and surveys, at 1, 3, 6, and 12 months after vCBT completion. Among the original study participants, 10 from the vCBT group and 10 from the TAU group consented to participate in the follow-up study. The primary outcome was the change in the total ADHD-RS-IV scores, while the secondary outcomes included QOL, functional impairment, depression, anxiety, and self-esteem.

We are currently collecting follow-up data and the process is progressing as planned. The vCBT group maintained a reduction in scores at the 6-month follow-up assessment. At the conference, we will present 1-year follow-up data to evaluate the long-term effects of vCBT in adults with ADHD.