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Effect of Donepezil on Cognitive Deficits Associated With Electroconvulsive Therapy

A Randomized Triple-blind Clinical Trial

Shams-Alizadeh, Narges, MD*; Maroufi, Azad, MD*; Sofla, Akbar Qanbarzadeh Chelan, MD; Ghaderi, Ebrahim, MD, PhD; Hassanzadeh, Kambiz, PharmD, PhD§

doi: 10.1097/WNF.0000000000000323
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Objectives Despite the effectiveness of electroconvulsive therapy (ECT) in a wide range of psychiatric disorders, the role of memory-enhancing agents in post-ECT cognitive disturbances has remained controversial. In this study, we aimed to assess the effect of donepezil on improving the cognitive performance of patients undergoing ECT.

Methods In a psychiatry hospital, patients who were admitted for ECT underwent a triple-blind randomized controlled trial. After randomizing the participants into 2 groups, 1 group received ECT with placebo, whereas the other group received ECT plus 5 mg/d donepezil during the ECT period. The patients in both groups were cognitively assessed using the Mini Mental Status Evaluation and Wechsler Memory Scale, 24 hours before ECT and 48 hours after the end of the ECT sessions.

Results The results of Mini Mental Status Evaluation scores did not show any significant difference in memory performance between the 2 groups before and after ECT (F = 0.108, P = 0.743). Moreover, the intervention and placebo groups did not have any significant difference in the scores of the 7 subscales of the Wechsler Memory Scale after ECT (P = 0.07). In addition, the patients on donepezil group tolerated the drug well and did not differ significantly compared with the control group in this regard.

Conclusions Despite a few evidence confirming the effect of acetylcholinesterase inhibitors in improving cognitive defects related to ECT, this study did not find such an effect in patients under ECT. Further studies are required to reach a clear conclusion.

*Department of Psychiatry, Neurosciences Research Center, Kurdistan University of Medical Sciences;

Kurdistan University of Medical Sciences; and

Social Determinants of Health Research Center, and

§Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran.

Address correspondence and reprint requests to Azad Maroufi, MD, Department of Psychiatry, Kurdistan University of Medical Sciences, Pasdaran Avenue, Sanandaj, Kurdistan Province, IR Iran; E-mail: maroufimd@gmail.com

This work was derived from a thesis project.

Conflicts of Interest and Source of Funding: All phases of this study were supported and funded by the Kurdistan University of Medical Sciences. The authors have no conflicts of interest to declare.

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