Introduction Comprehensive Behavioral Intervention for Tics (CBIT) has been shown to be efficacious for Chronic Tic Disorders (CTDs), but utilization is limited by a lack of treatment providers and perceived financial and time burden of commuting to treatment. A promising alternative to in-person delivery is Voice over Internet Protocol (VoIP), allowing for remote, real-time treatment delivery to patients’ homes. However, little is known about the effectiveness of VoIP for CTDs. Therefore, the present study examined the preliminary efficacy, feasibility, and acceptability of VoIP-delivered CBIT (CBIT-VoIP). Methods Twenty youth (8–17) with CTDs participated in a randomized, waitlist-controlled pilot trial of CBIT-VoIP. The main outcome was pre- to post-treatment change in clinician-rated tic severity (Yale Global Tic Severity Scale). The secondary outcome was clinical responder rate (Clinical Global Impressions – Improvement Scale), assessed using ratings of ‘very much improved’ or ‘much improved’ indicating positive treatment response. Results Intention-to-treat analyses with the last observation carried forward were performed. At post-treatment (10-weeks), significantly greater reductions in clinician-rated, [F (1, 18) = 3.05, p < 0.05, partial η2 = 0.15], and parent-reported tic severity, [F (1, 18) = 6.37, p < 0.05, partial η2 = .26] were found in CBIT-VoIP relative to waitlist. One-third (N = 4) of those in CBIT-VoIP were considered treatment responders. Treatment satisfaction and therapeutic alliance were high. Discussion: CBIT can be delivered via VoIP with high patient satisfaction, using accessible, low-cost equipment. CBIT-VoIP was generally feasible to implement, with some audio and visual challenges. Modifications to enhance treatment delivery are suggested.
Comprehensive Behavioral Intervention for Tics (CBIT) is an efficacious treatment for children with Chronic Tic Disorders (CTDs). Nevertheless, many families of children with CTDs are unable to access CBIT due to a lack of adequately trained treatment providers, time commitment, and travel distance. This study established the interrater reliability between in-person and VoIP administrations of the Yale Global Tic Severity Scale (YGTSS), and examined the preliminary efficacy, feasibility, and acceptability of Voice over Internet Protocol (VoIP)-delivered CBIT for reducing tics in children with CTDs in an open case series. Across in-person and VoIP administrations of the YGTSS, results showed mean agreement of 91%, 96%, and 95% for motor, phonic, and total tic severity subscales. In the pilot feasibility study, four children received 8-weekly sessions of CBIT via VoIP and were assessed at pre- and post-treatment by an independent evaluator. Results showed a 29.44% decrease in clinician-rated tic severity from pre to post-assessment on the YGTSS. Two of the four patients were considered treatment responders at post treatment, using Clinical Global Impressions-Improvement ratings. Therapeutic alliance, parent and child treatment satisfaction and videoconferencing satisfaction ratings were high. CBIT was considered feasible to implement via VoIP, although further testing is recommended.
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