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Ketamine Infusion for Treatment-resistant Major Depressive Disorder

Not Applicable
Completed
Conditions
Major Depressive Disorder
Interventions
Registration Number
NCT01582945
Lead Sponsor
Massachusetts General Hospital
Brief Summary

Ketamine infusion has been shown to have rapid antidepressant properties, however the possible use of ketamine in treatment-resistant depression as augmentation has not been investigated. The overall aim of this study is to assess the feasibility, safety and tolerability, efficacy and duration of the effect of intravenous N-methyl-D-aspartate antagonist ketamine as augmentation of antidepressants for chronic suicidal ideation in subjects with severe treatment-resistant depression (TRD).

This is an open-label study (pilot).

Detailed Description

Patients will undergo two weeks of prospective observation, they will then receive ketamine IV 0.5mg/kg over 45 minutes as augmentation of their ongoing antidepressant regimen; after three infusions this dose will be increased increase to 0.75 mg/kg in non-responders. The schedule of administration will be twice a week for 3 weeks. After this phase, the patient will be followed with assessments every two weeks for three months.

Total duration of the study is 5 months.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
14
Inclusion Criteria
  • Outpatients with severe treatment-resistant MDD
  • Currently depressed
  • Currently under regular psychiatric care
  • On an aggressive antidepressant regimen, stable for 4 weeks
Exclusion Criteria
  • No history of other major psychiatric illnesses, including bipolar disorder
  • No history of psychosis
  • No history of drug abuse
  • No major medical illness or unstable medical conditions

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Ketamine IVKetaminePatients will receive open label augmentation with IV Ketamine at 0.5mg/kg, twice a week for 3 weeks
Primary Outcome Measures
NameTimeMethod
Response to Ketamine as Measured by Hamilton Depression Rating Scale -28 Items (HAMD28)Weekly for total duration of 4 months

Patients will be assessed with HAMD-28 weekly for the first 8 weeks, then every two weeks for another 8 weeks. Participants were considered as responders if there was a ⩾50% improvement on the HAM-D28.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Depression Clinical and Research Program - MGH

🇺🇸

Boston, Massachusetts, United States

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