Can a ketamine shot stop suicidal thoughts in minutes?

NCT ID NCT04640636

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a single injection of ketamine can quickly reduce suicidal thoughts in people with depression who come to the emergency room. About 90 participants will receive either ketamine or a sedative (midazolam) and be monitored for 24 hours. The trial is currently paused due to a research suspension at the study site.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
ketamine hydrochloride injection
What this could lead to
If it works, this could provide a fast, easy-to-use treatment for suicidal thoughts in emergency rooms.
What could go wrong
The trial is currently suspended due to a research pause, so results are delayed. It is a small, early-phase study, and ketamine may cause side effects like dissociation or increased blood pressure.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Comprehensive Psychiatric Emergency Department of Columbia University Medical Center

    New York, New York, 10032, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.