Optimal Electrical Stimulus During Electroconvulsive Therapy

Synopsis Aim: The purpose of the study is to determine the stimulus of electrical current during electroconvulsive therapy (ECT) that produces the optimal balance between antidepressant effect and memory disturbance. Specifically, this study aims to compare the 0.5 ms and 1.0 ms pulse width stimuli. Design: National, register-based randomized trial, unmasked with two treatment arms. Primary objective: To test the hypothesis that a 1.0 ms pulse width stimulus produces a higher remission rate (\< 11 on the MADRS-S) than a 0.5ms pulse width stimulus. Secondary objectives include testing for differences in: self-rated global health measured with the EQ5D-VAS subjective memory worsening (increase of 2 on the memory item of the CPRS) antidepressive response (decrease of 50% on the MADRS-S) number of ECTs in the treatment series readmission and suicide rate within 6 months Study population: patients with unipolar or bipolar depression. Sample size: 800 patients, 400 patients in each arm. Inclusion criteria: At least 18 years of age at the time of inclusion Diagnostic criteria fulfilled for unipolar, or bipolar depressive episode according to ICD-10. An indication for and accepting ECT A Swedish personal identity number. Capable of giving informed consent. Exclusion criteria: If the investigator judges a certain pulse width to be inappropriate for the patient. Inclusion time 2019-05-01-2022-11-15. Abbreviations 1. CGI: Clinical Global Impression Scale 2. CPRS: The Compre…

This description comes directly from the study's public registry record.

Axel Nordenskjöld, MD, PhD  ·  +46196021000  ·  axel.nordenskjold@regionorebrolan.se

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