A randomized controlled trial examining a cognitive behavioral therapy intervention enhanced with cognitive remediation to improve work and neurocognition outcomes among persons with schizophrenia spectrum disorders.

Kukla M, Bell MD, Lysaker PH. A randomized controlled trial examining a cognitive behavioral therapy intervention enhanced with cognitive remediation to improve work and neurocognition outcomes among persons with schizophrenia spectrum disorders. Schizophrenia Research. 2018 Jul 1; 197:400-406.

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Abstract:

This single blind, three-armed randomized controlled trial compared cognitive behavioral therapy (CBT) enhanced with cognitive remediation (CBT+CR) to CBT alone and an active control condition on work and neurocognition outcomes for persons with schizophrenia spectrum disorders. Seventy-five adult outpatients with schizophrenia or schizoaffective disorder were randomized to three study conditions (N = 25 per group). The CBT intervention was the Indianapolis Vocational Intervention program (IVIP), consisting of weekly group and individual sessions focused on work-related content. Participants in the CBT+CR group received IVIP and Posit Science computer-based cognitive training. The active control group consisted of weekly vocational support groups and individual vocational support sessions. All participants were placed into a noncompetitive work assignment and were followed for 26weeks. Data collection included hours worked, weekly work performance ratings, and neurocognition assessed at baseline and 6months. Neurocognition was also assessed at 12months. Data were analyzed using multilevel linear models to account for nested, repeated measures data. Results indicate that participants in the CBT+CR condition worked significantly more hours and had a more positive trajectory of improving global work performance and work quality across the study compared with the CBT alone and vocational support condition. Compared to the other conditions, CBT+CR also had a significant increase in overall neurocognition that continued to the 12month follow-up, particularly in the domains of verbal learning and social cognition. In conclusion, CBT+CR may be an effective intervention to improve work functioning and neurocognition in persons with schizophrenia.