A randomized, crossover comparison of ketamine and electroconvulsive therapy for treatment of major depressive episodes: a Canadian biomarker integration network in depression (CAN-BIND) study protocol

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dc.contributor.authorPhillips, Jennifer L
dc.contributor.authorJaworska, Natalia
dc.contributor.authorKamler, Elizabeth
dc.contributor.authorBhat, Venkat
dc.contributor.authorBlier, Jean
dc.contributor.authorFoster, Jane A
dc.contributor.authorHassel, Stefanie
dc.contributor.authorHo, Keith
dc.contributor.authorMcMurray, Lisa
dc.contributor.authorMilev, Roumen
dc.contributor.authorMoazamigoudarzi, Zahra
dc.contributor.authorPlacenza, Franca M
dc.contributor.authorRichard-Devantoy, Stéphane
dc.contributor.authorRotzinger, Susan
dc.contributor.authorTurecki, Gustavo
dc.contributor.authorVazquez, Gustavo H
dc.contributor.authorKennedy, Sidney H
dc.contributor.authorBlier, Pierre
dc.date.accessioned2020-06-07T00:04:38Z
dc.date.available2020-06-07T00:04:38Z
dc.date.issued2020-06-02
dc.date.updated2020-06-07T00:04:38Z
dc.description.abstractAbstract Background Recent evidence underscores the utility of rapid-acting antidepressant interventions, such as ketamine, in alleviating symptoms of major depressive episodes (MDE). However, to date, there have been limited head-to-head comparisons of intravenous (IV) ketamine infusions with other antidepressant treatment strategies in large randomized trials. This study protocol describes an ongoing multi-centre, prospective, randomized, crossover, non-inferiority trial comparing acute treatment of individuals meeting diagnostic criteria for a major depressive episode (MDE) with ketamine and electroconvulsive therapy (ECT) on efficacy, speed of therapeutic effects, side effects, and health care resource utilization. A secondary aim is to compare a 6-month maintenance strategy for ketamine responders to standard of care ECT maintenance. Finally, through the measurement of clinical, cognitive, neuroimaging, and molecular markers we aim to establish predictors and moderators of treatment response as well as treatment-elicited effects on these outcomes. Methods Across four participating Canadian institutions, 240 patients with major depressive disorder or bipolar disorder experiencing a MDE are randomized (1:1) to a course of ECT or racemic IV ketamine (0.5 mg/kg) administered 3 times/week for 3 or 4 weeks. Non-responders (< 50% improvement in Montgomery-Åsberg Depression Rating Scale [MADRS] scores) crossover to receive the alternate treatment. Responders during the randomization or crossover phases then enter the 6-month maintenance phase during which time they receive clinical assessments at identical intervals regardless of treatment arm. ECT maintenance follows standard of care while ketamine maintenance involves: weekly infusions for 1 month, then bi-weekly infusions for 2 months, and finally monthly infusions for 3 months (returning to bi-weekly in case of relapse). The primary outcome measure is change in MADRS scores after randomized treatment as assessed by raters blind to treatment modality. Discussion This multi-centre study will help identify molecular, imaging, and clinical characteristics of patients with treatment-resistant and/or severe MDEs who would benefit most from either type of therapeutic strategy. In addition to informing clinical practice and influencing health care delivery, this trial will add to the robust platform and database of CAN-BIND studies for future research and biomarker discovery. Trial registration ClinicalTrials.gov identifier NCT03674671. Registered September 17, 2018.
dc.identifier.citationBMC Psychiatry. 2020 Jun 02;20(1):268
dc.identifier.doihttps://doi.org/10.1186/s12888-020-02672-3
dc.identifier.urihttp://hdl.handle.net/1880/112151
dc.identifier.urihttps://doi.org/10.11575/PRISM/44145
dc.language.rfc3066en
dc.rights.holderThe Author(s)
dc.titleA randomized, crossover comparison of ketamine and electroconvulsive therapy for treatment of major depressive episodes: a Canadian biomarker integration network in depression (CAN-BIND) study protocol
dc.typeJournal Article
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