NCT05198245

Brief Summary

The purpose of the study is to evaluate the risk of pregnancy and infant outcomes among women with migraine exposed to rimegepant during pregnancy and in two rimegepant unexposed comparator groups.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1

participants targeted

Target at below P25 for all trials

Timeline
24mo left

Started Dec 2021

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress69%
Dec 2021Apr 2028

First Submitted

Initial submission to the registry

December 15, 2021

Completed
Same day until next milestone

Study Start

First participant enrolled

December 15, 2021

Completed
1 month until next milestone

First Posted

Study publicly available on registry

January 20, 2022

Completed
6.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 17, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 17, 2028

Last Updated

January 8, 2026

Status Verified

January 1, 2026

Enrollment Period

6.3 years

First QC Date

December 15, 2021

Last Update Submit

January 6, 2026

Conditions

Keywords

MigraineMigraine DisorderMigraine PreventionPrevention of MigrainePregnantPregnancyInfant

Outcome Measures

Primary Outcomes (1)

  • Major congenital malformations, spontaneous abortions, fetal deaths/stillbirths, small for gestational age births

    Annually beginning April 2022

Secondary Outcomes (3)

  • Elective terminations

    Annually beginning April 2022

  • Preterm births

    Annually beginning April 2022

  • Pre-eclampsia/eclampsia

    Annually beginning April 2022

Study Arms (3)

Pregnancies in women with migraine and exposure to rimegepant

Drug: Rimegepant

Pregnancies in women with migraine exposed to other medications

Pregnancies in women with migraine exposed to other medications indicated for the treatment of migraine

Drug: Various

Pregnancies in women without migraine

Other: No intervention

Interventions

Rimegepant 75mg

Pregnancies in women with migraine and exposure to rimegepant

Various

Pregnancies in women with migraine exposed to other medications

No intervention

Pregnancies in women without migraine

Eligibility Criteria

Age16 Years - 49 Years
Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Study population will consist of pregnant women (any age) as well as the infants (male and female) born to enrolled participants through age 1 year

You may qualify if:

  • All pregnant women aged 16 to 49 years, inclusive, at the estimated LMP within the study observation period are eligible to enter in the study.

You may not qualify if:

  • Has insufficient information to estimate LMP
  • Has at least 1 pharmacy dispensing for ditans (i.e., lasmiditan) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period
  • Has at least 1 pharmacy dispensing for a CGRP receptor antagonist other than rimegepant (i.e., ubrogepant, atogepant, and zavegepant) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period
  • Has at least 1 pharmacy dispensing for CGRP monoclonal antibodies (i.e., erenumab, fremanezumab, eptinezumab, and galcanezumab) within a 5-half-life time window before the estimated LMP through whichever is first: end of pregnancy or end of the study period
  • Additional Eligibility Criteria (Rimegepant-Exposed Group):
  • Have a migraine diagnosis any time before the estimated LMP and through whichever is first: end of pregnancy or end of the study period
  • Have at least 1 pharmacy dispensing for rimegepant within the 30-day time window before the estimated LMP and through whichever is first: end of pregnancy or end of the study period
  • Have a recorded outcome of pregnancy within the study period
  • Had continuous enrollment in a health care plan with medical and pharmacy benefits during the 6-month period before the estimated LMP through a postpartum period of 42 days
  • Have a migraine diagnosis any time before the estimated LMP and through whichever is first: end of pregnancy or end of the study period
  • Have at least 1 pharmacy dispensing for a medication indicated for the treatment of migraine within the 30-day time window before the estimated LMP and ending with whichever is first: end of pregnancy or end of the study period.
  • Have a recorded outcome of pregnancy within the study period
  • Had continuous enrollment in a health care plan with medical and pharmacy benefits during the 6-month period before the estimated LMP through a postpartum period of 42 days
  • Have at least 1 pharmacy dispensing for rimegepant within the 30-day time window before the estimated LMP and through whichever is first: end of pregnancy or end of the study period
  • Have no migraine diagnosis any time before the estimated LMP through whichever is first: end of pregnancy or end of the study period
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pfizer

New York, New York, 10001, United States

Location

Related Links

MeSH Terms

Conditions

Migraine Disorders

Interventions

rimegepant sulfate

Condition Hierarchy (Ancestors)

Headache Disorders, PrimaryHeadache DisordersBrain DiseasesCentral Nervous System DiseasesNervous System Diseases

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 15, 2021

First Posted

January 20, 2022

Study Start

December 15, 2021

Primary Completion (Estimated)

April 17, 2028

Study Completion (Estimated)

April 17, 2028

Last Updated

January 8, 2026

Record last verified: 2026-01

Data Sharing

IPD Sharing
Will not share

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.

Locations