NCT05186571

Brief Summary

Myopericarditis is a rare complication to messenger ribonucleic acid (mRNA) COVID-19 vaccines, especially in male adolescents and young adults. The risk in children 5-11 years old is unknown. In Denmark, the Pfizer-BioNTech mRNA COVID-19 vaccination was recommended from December 1, 2021 in individuals aged 5-11 years old. We aim to estimate the incidence of myopericarditis in children 5-11 years old after mRNA COVID-19 vaccination among vaccinated individuals based on a nationwide prospective population-based cohort study with detailed clinical phenotyping.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
350,000

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Dec 2021

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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 Start

First participant enrolled

December 1, 2021

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

January 9, 2022

Completed
2 days until next milestone

First Posted

Study publicly available on registry

January 11, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 28, 2022

Completed
Last Updated

January 31, 2022

Status Verified

January 1, 2022

Enrollment Period

3 months

First QC Date

January 9, 2022

Last Update Submit

January 16, 2022

Conditions

Keywords

myopericarditismyocarditisVaccinationSARS-CoV2mRNA vaccinationchildren

Outcome Measures

Primary Outcomes (1)

  • Myopericarditis

    Within 42 days after the first vaccine dose

Interventions

Vaccination in children 5-11 years of age

Eligibility Criteria

Age5 Years - 11 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

All children 5-11 years old in Denmark who have received mRNA vaccination

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Copenhagen University Hospital, Rigshospitalet

Copenhagen, 2100, Denmark

RECRUITING

Related Publications (1)

  • Nygaard U, Holm M, Dungu KHS, Matthesen AT, Stensballe LG, Espenhain L, Hartling U. Risk of Myopericarditis After COVID-19 Vaccination in Danish Children Aged 5 to 11 Years. Pediatrics. 2022 Aug 1;150(2):e2022057508. doi: 10.1542/peds.2022-057508. No abstract available.

MeSH Terms

Conditions

MyocarditisCOVID-19

Condition Hierarchy (Ancestors)

CardiomyopathiesHeart DiseasesCardiovascular DiseasesPneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Central Study Contacts

Ulrikka Nygaard, PhD MD

CONTACT

Mette Holm, PhD MD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Primary investigator

Study Record Dates

First Submitted

January 9, 2022

First Posted

January 11, 2022

Study Start

December 1, 2021

Primary Completion

March 1, 2022

Study Completion

April 28, 2022

Last Updated

January 31, 2022

Record last verified: 2022-01

Locations