Feasibility of Videoconference-Based Cognitive Behavioral Therapy for Somatic Symptom Disorder: Single-Arm Pilot Trial
AI Summary
vCBT met feasibility criteria: recruitment 83.3%, retention 100%, session completion 100%, and no adverse events reported.
SF-36 physical component summary improved 4.99 points postintervention with a large within group effect size (Cohen d=0.99, 95% CI 0.21-1.74).
Medium to large improvements in mental HRQOL, depressive and anxiety symptoms, health anxiety, pain, insomnia, and generic HRQOL, persisting at one-month follow-up.
JMIR Form Res. 2026 May 20;10:e86698. doi: 10.2196/86698.
ABSTRACT
BACKGROUND: Somatic symptom disorder (SSD) is a mental disorder marked by persistent somatic symptoms and maladaptive health-related thoughts, feelings, or behaviors. Cognitive behavioral therapy has been shown to be effective in treating SSD, reducing patients’ somatic symptoms, depressive symptoms, and anxiety symptoms. However, challenges remain-including limited access to treatment. Videoconference-based cognitive behavioral therapy (vCBT) has emerged as a promising approach, offering flexible and tailored treatment while addressing the shortage of medical resources and potentially reducing patient dropout.
OBJECTIVE: This study examined the feasibility of vCBT for patients with SSD and explored secondary outcomes related to the physical component of health-related quality of life (HRQOL) as assessed using the Medical Outcomes Study 36-Item Short Form Health Survey (SF-36) physical component summary (PCS) score and other exploratory clinical outcomes.
METHODS: This single-arm pilot trial evaluated feasibility as the primary outcome assessed via recruitment rate, retention rate, session completion rate, and safety. Ten participants with SSD were enrolled, and all received 6 weekly 50-minute vCBT sessions. Secondary outcomes included physical HRQOL (SF-36 PCS) as the key secondary outcome, as well as mental HRQOL, depressive symptoms, somatic symptom severity, anxiety symptoms, health anxiety, pain, insomnia, and generic HRQOL. These outcomes were measured at the preintervention (week 0) and postintervention (week 6) time points and 1-month follow-up (week 10) and were analyzed using 2-sided paired t tests.
RESULTS: All feasibility criteria were met, with a recruitment rate of 83.3% (10/12), a retention rate of 100% (10/10), a session completion rate of 100% (10/10), and no adverse events reported. The SF-36 PCS score improved by 4.99 points at the postintervention time point, representing a large within-group effect (Cohen d=0.99, 95% CI 0.21-1.74). Medium to large improvements were also observed in mental HRQOL, depressive symptoms, anxiety symptoms, health anxiety, pain, insomnia, and generic HRQOL, and most of these improvements were observed at the 1-month follow-up.
CONCLUSIONS: Our findings indicate that vCBT is a feasible and safe approach for SSD, with findings suggesting acceptability and preliminary evidence of effectiveness.
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