Clinical Trials Logo

Clinical Trial Summary

Growing evidence has supported rapid and robust antidepressant effects with subanesthetic doses of intravenous (IV) ketamine for treatment resistant depression (TRD). However, no completed or ongoing randomized control trials (RCTs) have evaluated the effects of repeated doses of IV ketamine for a homogenous sample of patients with treatment-resistant bipolar disorder (TRBD). The primary research goal is to determine the acute antidepressant efficacy, safety and tolerability of four repeated sub-anesthetic doses of IV ketamine in moderate to severe TRBD. Secondary aims include evaluating effects of IV ketamine on suicidal ideations, quality of life, function and duration of effects. Herein, a two-site (University Health Network and Ontario Shores Centre for Mental Health Sciences), phase II, double-blinded, midazolam-controlled, two-week RCT evaluating the efficacy, safety and tolerability of four flexibly-dosed adjunctive ketamine infusions (0.5-0.75mg/kg infused over 40 minutes) for acute treatment of moderate to severe TRBD (type I & II) is proposed. The primary outcome will be Montgomery-Åsberg Depression Rating Scale (MADRS) scores, determining the between group difference in change from baseline to day 14, using analysis of covariance (ANCOVA), with 14-day MADRS as the outcome and baseline MADRS and stratification variables (sex, bipolar type) as covariates. Secondary outcomes include evaluating response and remission rates, safety, tolerability (including treatment-emergent mania), and effects on suicidality, anxiety, quality of life, function and the duration of effects (to day 28).


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05004896
Study type Interventional
Source University Health Network, Toronto
Contact Anesthesia Clinical Trials Unit
Phone 416-340-4800
Email actu@uhn.ca
Status Recruiting
Phase Phase 2
Start date July 4, 2022
Completion date December 31, 2025

See also
  Status Clinical Trial Phase
Completed NCT05111548 - Brain Stimulation and Cognitive Training - Efficacy N/A
Completed NCT02855762 - Targeting the Microbiome to Improve Clinical Outcomes in Bipolar Disorder N/A
Recruiting NCT05915013 - Alpha-Amino-3-Hydroxy-5-Methyl-4- Isoxazole Propionic Acid Receptor Components of the Anti-Depressant Ketamine Response Phase 1
Recruiting NCT05206747 - Ottawa Sunglasses at Night for Mania Study N/A
Completed NCT02513654 - Pharmacokinetics, Safety and Tolerability of Repeat Dosing Lamotrigine in Healthy Chinese Subjects Phase 1
Recruiting NCT06313918 - Exercise Therapy in Mental Disorders-study N/A
Completed NCT02304432 - Targeting a Genetic Mutation in Glycine Metabolism With D-cycloserine Early Phase 1
Recruiting NCT06197048 - Effect of Nutritional Counseling on Anthropometry and Biomarkers in Patients Diagnosed With Schizophrenia/Psychosis or Bipolar Affective Disorder N/A
Completed NCT03497663 - VIA Family - Family Based Early Intervention Versus Treatment as Usual N/A
Completed NCT04284813 - Families With Substance Use and Psychosis: A Pilot Study N/A
Completed NCT02212041 - Electronic Cigarettes in Smokers With Mental Illness N/A
Recruiting NCT05030272 - Comparing Two Behavioral Approaches to Quitting Smoking in Mental Health Settings N/A
Recruiting NCT04298450 - ED to EPI: Using SMS to Improve the Transition From the Emergency Department to Early Psychosis Intervention N/A
Active, not recruiting NCT03641300 - Efficacy of Convulsive Therapies for Bipolar Depression N/A
Not yet recruiting NCT04432116 - Time and Virtual Reality in Schizophrenia and Bipolar Disorder N/A
Terminated NCT02909504 - Gao NARASD Lithium Study Phase 4
Terminated NCT02893371 - Longitudinal Comparative Effectiveness of Bipolar Disorder Therapies
Completed NCT02970721 - Use of Psychotropic Medications Among Pregnant Women With Bipolar Disorder
Recruiting NCT03088657 - Design and Methods of the Mood Disorder Cohort Research Consortium (MDCRC) Study
Recruiting NCT02481245 - BezafibrateTreatment for Bipolar Depression: A Proof of Concept Study Phase 2