4.4 Review

Neuropsychological Interventions for Cancer-Related Cognitive Impairment: A Network Meta-Analysis of Randomized Controlled Trials

Journal

NEUROPSYCHOLOGY REVIEW
Volume 32, Issue 4, Pages 893-905

Publisher

SPRINGER
DOI: 10.1007/s11065-021-09532-1

Keywords

Cancer-related cognitive impairment; Neuropsychological interventions; Cancer patients; Network meta-analysis

Funding

  1. National Natural Science Foundation of China [72004039]

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The aim of this network meta-analysis was to evaluate the comparative effects of neuropsychological interventions for cancer-related cognitive impairment (CRCI) and rank the best intervention options for adult cancer patients. The study found that cognitive behavioral therapies, cognitive rehabilitation, and cognitive training showed statistically significant differences in managing subjective cognition. Meditation or mindfulness-based interventions were the most effective for attention, while cognitive training had the best results for verbal memory and processing speed. Psychoeducation was most effective for executive function, and cognitive training was the best option for verbal fluency. The importance of this study lies in its findings for the management of CRCI in cancer patients.
The aim of this network meta-analysis was to evaluate the comparative effects of neuropsychological interventions for cancer-related cognitive impairment (CRCI), and to rank the best intervention options for adult cancer patients with CRCI. Twenty-seven eligible randomized controlled trials (RCTs) were searched, and a total of six interventions identified: cognitive behavioral therapies (CBT), cognitive rehabilitation (CR), cognitive training (CT), meditation/mindfulness-based interventions, psychoeducation, and supportive care. In terms of effectiveness, the relative effect size of CBT, CR, and CT in managing subjective cognition had statistically significant differences - 0.94 (0.43-1.44), 0.54 (0.03-1.05), and 0.47 (0.13-0.81), respectively. The most effective interventions to manage the objective cognition of attention were meditation or mindfulness-based interventions: intervention effect size was 0.58 (0.24-0.91). The relative effect size of CT had a statistically significant difference in managing verbal memory, and the intervention effect size was 1.16 (0.12-2.20). The relative effect size of psychoeducation in managing executive function compared with control had a statistically significant difference, which was 0.56 (0.26-0.86). For managing information processing speed, the most effective intervention was CT and the effect size was -0.58 (-1.09--0.06). This network meta-analysis found that CT is the most effective intervention for managing the objective cognition of verbal memory and processing speed; meditation/mindfulness-based interventions may be the best option for enhancing attention; psychoeducation is the most effective intervention for managing executive function; CT may be the best option for managing verbal fluency as the intervention ranking probability. For the management of subjective cognition, CBT may be the most effective intervention.

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