Could a single ketamine infusion ease daily headaches for months?

NCT ID NCT05306899

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a one-time high-dose intravenous ketamine infusion can reduce the number and intensity of headaches in people with chronic daily headaches. About 56 adults will receive either ketamine or a placebo (saline) and be followed for three months. The goal is to see if ketamine can safely provide lasting relief from this debilitating condition.

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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

  • Toronto Western Hospital

    RECRUITING

    Toronto, Ontario, M5T 2S8, Canada

  • Women's College Hospital

    RECRUITING

    Toronto, Ontario, M5S 1B2, Canada

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