Cognitive Therapy to Sustain the Antidepressant Effects of Intravenous Ketamine in Treatment-resistant Depression

The goals of this study are:

1) to investigate the efficacy of combining ketamine with intensive cognitive behavioral therapy (CBT) to sustain the antidepressant effects of ketamine; and

2) to determine ketamine’s delayed effects on learning and memory, and to explore the relationship between any ketamine-induced changes in learning and memory and duration of antidepressant efficacy, with and without CBT augmentation.

Subjects with a diagnosis of MDD who are treatment-resistant to at least 2 antidepressants and have chosen to pursue clinical ketamine treatment at Yale Psychiatric Hospital will be recruited for the study.

Trial Details



Trial Number

Sponsors & Collaborators

Yale University
The Yale Psychedelic Science Group was established in 2016.

Papers

Cognitive Behavioral Therapy to Sustain the Antidepressant Effects of Ketamine in Treatment-Resistant Depression: A Randomized Clinical Trial
This randomized study (n=28) with patients who responded to ketamine treatment for depression (TRD) received either cognitive-behavioural therapy (CBT) or conventional treatment. There was a significant (moderate effect) on a score of depression (QIDS) that favoured the CBT group at the end of the study (14 weeks).

Measures Used

Montgomery-Asberg Depression Rating Scale
A ten-item diagnostic questionnaire used to measure the severity of depressive symptoms in patients with mood disorders.

Data attribution

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