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Multi-center RCT of IV Ketamine Efficacy and Safety in Chronic Daily Headaches — Stella

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Multi-center RCT of IV Ketamine Efficacy and Safety in Chronic Daily Headaches

Phase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.

Trial locations(2 sites)

Canada

Women's College Hospital, Toronto, Ontario

Toronto Western Hospital, Toronto, Ontario

Key details

Phase

Large-scale testing

Sponsor

University Health Network, Toronto

Collaborators

The Canadian Pain Society, Pfizer

Enrollment target

~56 participants

Started

June 2022

Primary completion

February 2026

This trial's estimated completion date has passed — the record may not be fully up to date.

Age range

18 Years – 75 Years

Last updated February 2026

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