⁇ i>A C ⁇ /i>omputerize ⁇ i>Co ⁇ /i>bilişsel davranışçı terapi ⁇ i>R ⁇ /i>andomize, Controlle ⁇ i>d ⁇ /i>, ⁇ i>P ⁇ /i>arkinson ⁇ i>asea ( ⁇ i>ACCORD-PD ⁇ /i>)'da uykusuzluk için pilot deneme.

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BackgroundParkinson disease (PD) is associated with a high prevalence of insomnia, affecting up to 88% of patients. Pharmacotherapy studies in the literature addressing insomnia in PD reveal disappointing and inconsistent results. Cognitive behavioral therapy (CBT) is a novel treatment option with durable effects shown in primary insomnia. However, the lack of accessibility and expense can be limiting. For these reasons, computerized CBT for insomnia (CCBT-I) has been developed. The CCBT-I program is a 6-week web-based course consisting of daily "lessons" providing learnable skills and appropriate recommendations to help patients improve their sleep habits and patterns.MethodsWe conducted a single-center, pilot, randomized controlled trial comparing CCBT-I versus standardized sleep hygiene instructions to treat insomnia in PD. Twenty-eight subjects with PD experiencing insomnia, with a score > 11 on the Insomnia Severity Index (ISI) were recruited. Based on a 6-point improvement in ISI in treatment group when compared to controls and an alpha = 0.05 and beta of 0.1 (power = 90%) a sample size of 11 patients (on active treatment) were required to detect this treatment effect using a dependent sample t-test.ResultsIn total, 8/14 (57%) subjects randomized to CCBT-I versus 13/14 (93%) subjects randomized to standard education completed the study. Among completers, the improvement in ISI scores was greater with CCBT-I as compared to standard education (-7.9 vs -3.5; p = 0.03). However, in an intention-to-treat analysis, where all enrolled subjects were included, the change in ISI between groups was not significant (-.4.5 vs -3.3; p = 0.48), likely due to the high dropout rate in the CCBT-I group (43%).ConclusionThis pilot study suggests that CCBT-I can be an effective treatment option for PD patients with insomnia when the course is thoroughly completed. High drop-out rate in our study shows that although effective, it may not be a generalizable option; however, larger studies are needed for further evaluation.

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