Phase 4 Migraine Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- Adults aged 18 or older who have had migraines (with or without aura) for at least 1 year, diagnosed according to standard international headache guidelines
- People who are currently using an approved acute migraine treatment, and who have had an average of 6 to 14 migraine days per month, fewer than 15 total headache days per month, and fewer than 7 non-migraine headache days per month — both in the 12 weeks before the screening visit and during the first 28 days of the observation period
Who may not be able to join:
- People who have had 15 or more headache days per month on average (whether migraine or non-migraine) in the 12 weeks before the screening visit
- People who have had 7 or more non-migraine headache days per month on average in the 12 weeks before the screening visit
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Pfizer CT.gov Call Center, Pfizer
Phone: 1-800-718-1021
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Incidence of Treatment-Emergent Adverse Events (TEAEs), serious TEAEs, and TEAEs leading to study intervention discontinuation on treatment by average monthly redosing frequency over the entire OLT phase (<3, ≥3 to <6, ≥6 re-doses per month) and overall; Incidence of LFT elevations, AST >3x ULN, alanine aminotransferase ALT >3x ULN, and total bilirubin >2x ULN on treatment by average monthly redosing frequency over the entire OLT phase (<3, ≥3 to <6, ≥6 re-doses per month) and overall
Can't join this trial?
Data last synced from ClinicalTrials.gov: 21 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.