Ketamine Plus Lithium in Treatment-Resistant Depression

Status Completed

Clinical Trial Summary

The purpose of this study is to test the antidepressant effect of ketamine when given repeatedly over a period of 1 week, as well as the use of Lithium as a relapse-prevention strategy for patients with treatment-resistant depression (TRD) who respond to an initial series of ketamine infusions. Ketamine is a Food and Drug Administration approved anesthetic (a drug used to produce loss of consciousness before and during surgery). Ketamine is not approved for the treatment of major depressive disorder and is considered experimental in this study. An additional purpose of this study is to research the effects of ketamine on brain function.

You may qualify to take part in this research study because you have been diagnosed with major depressive disorder (MDD) and have not responded to past treatments.

Clinical Trial Description

Major Depressive Disorder (MDD) is a disabling medical illness and current monoaminergic treatments are slow to act and possess only limited efficacy. In this context, the discovery that the glutamate NMDA receptor antagonist ketamine is rapidly antidepressant (onset of action within hours) -- even in patients suffering from treatment-resistant depression (TRD) -- has ignited tremendous enthusiasm among clinicians, scientists and patients alike. A critical obstacle to the translation of this discovery into a novel treatment, however, is the limited duration of action following a course of ketamine (e.g. 1-2 weeks). The current project will address this important gap in medical knowledge by testing a rational neuropharmacological strategy designed to optimize and sustain the rapid antidepressant effects of ketamine. Driven by the recent characterization of the molecular mechanisms underpinning the antidepressant and neuroplasticity effects of ketamine, we will test the combination of ketamine plus lithium in patients with TRD using a randomized, double blind, placebo-controlled design. The primary aims of the project are (1) to test the efficacy of lithium-plus-ketamine compared to placebo-plus-ketamine as an antidepressant combination strategy in TRD and (2) to gather data on the safety and tolerability of the lithium-plus-ketamine. ;

Study Design

Related Conditions & MeSH terms

Depression
Depressive Disorder
Depressive Disorder, Treatment-Resistant

Clinical Trial Details

NCT number	NCT01880593
Study type	Interventional
Source	Icahn School of Medicine at Mount Sinai
Contact
Status	Completed
Phase	Phase 2
Start date	July 2013
Completion date	November 2016

View Details

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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.