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Study Protocol for a Parallel-group, Double-blinded, Randomized, Controlled, Noninferiority Trial: the Effect and Safety of Hybrid Electroconvulsive Therapy (Hybrid-ECT) Compared with Routine Electroconvulsive Therapy in Patients with Depression

Overview
Journal BMC Psychiatry
Publisher Biomed Central
Specialty Psychiatry
Date 2019 Nov 8
PMID 31694611
Citations 5
Authors
Affiliations
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Abstract

Background: Electroconvulsive therapy (ECT) is the most rapid and effective treatment for patients with depression, ECT can achieve remarkable antidepressant effects in the initial 3-4 sessions, but significant side effects limit its use. However, recent low-charge electrotherapy (LCE) studies have demonstrated antidepressant or antipsychotic effects with significantly fewer side effects. The aim of this study is to propose a novel two-step charge set strategy for ECT treatment, referred to as Hybrid-ECT, to decrease side effects by using a low charge while preserving treatment efficacy.

Methods/design: A randomized, double-blinded, standard-controlled, parallel-group design will be carried out. We plan to enroll 112 inpatients diagnosed with depression (unipolar or bipolar) and randomly assign them to conventional ECT (control group) or to Hybrid-ECT (treatment group, 3 ECT sessions followed by LCE sessions (approximately 2.8 joules per session)). We will evaluate participants across a wide variety of domains including clinical symptoms, cognitive, psychological and functional metrics. We will also perform magnetic resonance imaging (MRI) and event-related potential (ERPs) assessments during treatment to explore brain function differences between ECT and LCE.

Discussion: This research proposes a simple but completely novel ECT strategy that aims to rapidly relieve depressive symptoms and minimize side effects. The mechanism of ECT and LCE will be further discussed.

Trial Registration: Chinese Clinical Trial Registry, Number: ChiCTR1900022905 (Registration date: April 30, 2019).

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