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NCT05217927 · ClinicalTrials.gov registry record · Phase 4

Efficacy and Safety Study of Rimegepant in Episodic Migraine Prevention With Multiple Dosing Regimens

A Phase 4 study, sponsored by Pfizer.

Completed
Registry status
Phase 4
Development phase
1,415
Enrollment target

NCT05217927: Completed Phase 4 study, sponsored by Pfizer.

NCT05217927 is a Phase 4 study that has completed, run by Pfizer. The registered enrollment target is 1,415 participants, above the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (173% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05217927, a Phase 4 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 4
Development phase
1,415 participants
Enrollment target

Study Summary

The purpose of this study is to compare the efficacy and safety of daily and every other day dosing of rimegepant to placebo as a preventive treatment for episodic migraine.

Primary Outcome

A migraine day was defined as any calendar day in which the participant experienced a qualified migraine headache (onset, continuation, or recurrence of the migraine headache). A qualified migraine headache was defined as a migraine with or without aura, lasting for \>=30 minutes, and meeting either \>=2 of the pain features: unilateral location; pulsating quality; moderate or severe pain intensity; aggravation by or causing avoidance of routine physical activity OR \>=1 of the associated sympto

Interventions

  • DRUG Rimegepant 75mg daily dosing
  • DRUG Rimegepant 75mg every other day dosing
  • DRUG Placebo comparator dosing

Trial Details

FieldValue
Enrollment Target 1,415 participants
Start Date 2022-03-04
Est. Completion 2024-12-11
Phase Phase 4
Pfizer

1,845 total trials

What the finished NCT05217927 record still lists

NCT05217927 is an interventional study that assigns participants to a tested intervention. Its 1,415 participants enrollment target places it among the larger protocols in the corpus, above the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (173% higher).

The record links to 0 conditions, and to 3 interventions - of which Rimegepant 75mg daily dosing is the first listed.

NCT05217927 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05217927 about?

NCT05217927 is a clinical study titled "Efficacy and Safety Study of Rimegepant in Episodic Migraine Prevention With Multiple Dosing Regimens". The purpose of this study is to compare the efficacy and safety of daily and every other day dosing of rimegepant to placebo as a preventive treatment for episodic migraine.

What is the current status of trial NCT05217927?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 1,415 participants. The study started on 2022-03-04. Estimated completion is 2024-12-11.

What interventions are being tested in trial NCT05217927?

The interventions under investigation include: Rimegepant 75mg daily dosing (DRUG), Rimegepant 75mg every other day dosing (DRUG), Placebo comparator dosing (DRUG).

Who is sponsoring clinical trial NCT05217927?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05217927's enrollment target sits among peer trials

1,415 54th of 2000 higher than 1,947 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05217927, the US trial registry maintained by the National Library of Medicine. NCT05217927 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.