Efficacy of Convulsive Therapies for Bipolar Depression

Status Active, not recruiting

Clinical Trial Summary

This trial aims to assess the efficacy and tolerability of Magnetic Seizure Therapy (MST) as an alternative to electroconvulsive therapy (ECT) for Bipolar Disorder (BD). Research indicates that the prevalence of treatment resistance in bipolar depression is twice that of unipolar depression. The limited effectiveness of current treatments for bipolar depression coupled with the medical and economic burden associated with the disorder engenders a need for novel therapeutic interventions that can provide greater response and remission rates.

Clinical Trial Description

The study will involve a randomized, double blind, non-inferiority clinical trial with two treatment arms conducted in three academic institutions (the Centre for Addiction and Mental Health (CAMH) in Toronto, Ontario; the Ontario Shores Centre for Mental Health Sciences in Whitby, Ontario; and University of British Columbia (UBC) Hospital in Vancouver, British Columbia). The investigators are pursuing a non-inferiority clinical trial in an effort to compare MST to right unilateral ultrabrief pulse ECT (RUL-UB-ECT). Treatment will be administered two to three days per week. Depression symptoms will be assessed with the 24-item Hamilton Depression Rating Scale (HRSD-24) and suicidality will be assessed with the Scale for Suicidal Ideation (SSI). Remission will be defined as HRSD-24 < or = 10 and a > 60% decrease in scores from baseline on two consecutive ratings. Once a participant reaches remission, a second rating to confirm remission will be conducted immediately before their next scheduled treatment. If remission is confirmed, they will then be considered a completer of the acute treatment course. Remission of suicidal ideation is defined as a score of 0 on the SSI. Therefore, there will be no specific minimum number of treatments that patients must receive to be classified as remitters. However, patients who do not meet remission criteria after 21 treatment sessions will be considered non-remitters and will cease treatment sessions. This maximum treatment number was chosen allowing for the possibility that MST may require more treatment sessions to achieve remission, similar to RUL-UB ECT. The blind will not be broken to participants until the completion of the entire study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03641300
Study type	Interventional
Source	Centre for Addiction and Mental Health
Contact
Status	Active, not recruiting
Phase	N/A
Start date	September 21, 2018
Completion date	August 30, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficacy of Convulsive Therapies for Bipolar Depression — CORRECT-BD

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms