Background: Cognitive behavioral therapy (CBT) is the first-line treatment for adults with obsessive-compulsive disorder (OCD), panic disorder (PD), and social anxiety disorder (SAD). Patients in rural areas can access CBT via the internet. The effectiveness of internet-delivered cognitive behavioral therapy (ICBT) has been consistently shown, but no clinical studies have demonstrated the feasibility of ICBT with real-time therapist support via videoconference for OCD, PD, and SAD at the same time. Objectives: This study aimed to evaluate the feasibility of videoconference-delivered CBT for patients with OCD, PD, or SAD. Methods: A total of 30 Japanese participants (mean age 35.4 years, SD 9.2) with OCD, SAD, or PD received 16 sessions of individualized videoconference-delivered CBT with real-time support of a therapist, using tablet personal computer (Apple iPad Mini 2). Treatment involved individualized CBT formulations specific to the presenting diagnosis; all sessions were provided by the same therapist. The primary outcomes were reduction in symptomatology, using the Yale-Brown obsessive-compulsive scale (Y-BOCS) for OCD, Panic Disorder Severity Scale (PDSS) for PD, and Liebowitz Social Anxiety Scale (LSAS) for SAD. The secondary outcomes included the EuroQol-5 Dimension (EQ-5D) for Quality of Life, the Patient Health Questionnaire (PHQ-9) for depression, the Generalized Anxiety Disorder (GAD-7) questionnaire for anxiety, and Working Alliance Inventory-Short Form (WAI-SF). All primary outcomes were assessed at baseline and at weeks 1 (baseline), 8 (midintervention), and 16 (postintervention) face-to-face during therapy. The occurrence of adverse events was observed after each session. For the primary analysis comparing between pre- and posttreatments, the participants’ points and 95% CIs were estimated by the paired t tests with the change between pre- and posttreatment. Results: A significant reduction in symptom of obsession-compulsion (Y-BOCS=−6.2; Cohen d=0.74; 95% CI −9.4 to −3.0, P=.002), panic (PDSS=−5.6; Cohen d=0.89; 95% CI −9.83 to −1.37; P=.02), social anxiety (LSAS=−33.6; Cohen d=1.10; 95% CI −59.62 to −7.49, P=.02) were observed. In addition, depression (PHQ-9=−1.72; Cohen d=0.27; 95% CI −3.26 to −0.19; P=.03) and general anxiety (GAD-7=−3.03; Cohen d=0.61; 95% CI −4.57 to −1.49, P<.001 were significantly improved. although there no significant changes at weeks from baseline in eq-5d cohen d="-0.202;" ci to p=".21)," high therapeutic alliance wai-sf scores throughout treatment which increased of the participants satisfied with videoconference-delivered cbt and preferred face-to-face cbt. an adverse event occurred a patient sad incidence was conclusions: for patients ocd may be feasible acceptable.>
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