Clinical Trial

Cannabis for the Prophylactic Treatment of Migraine

Recruiting Phase 2
View on ClinicalTrials.gov →
Summary
This study will evaluate the efficacy and safety of cannabis for the treatment of chronic migraine headaches. Study subjects will be randomized to one of three groups: lower dose CBD, higher dose CBD or placebo.
Protocol Amendment History 7 amendments
This ClinicalTrials.gov record has been amended 7 times since 2019-05-30; most recent amendment 2026-04-26.
Status change: Not Yet Recruiting → Recruiting 2026-04-26
Trial Details
NCT Number NCT03972124
Lead Sponsor University of Calgary
Conditions Chronic Migraine
Enrollment 72 participants
Start Date 2026-04-01
Primary Completion 2028-12 (estimated)
Study Completion 2028-12 (estimated)
Updated on ClinicalTrials.gov 2026-05-01