Assessment of Myocarditis After Replication-Deficient Smallpox Immunization

Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18-45
SponsorWomack Army Medical Center

About this trial

This is a prospective observational phase IV study of a novel, replication-deficient smallpox vaccine that has been recently been approved by FDA. The purpose of this study is to determine if there are any abnormalities detected by electrocardiographic testing and/or blood tests within 35 days of receiving the second dose of smallpox vaccine either alone or co-administered with other vaccines that may/may not be suggestive of myopericarditis.

Eligibility criteria

Qualifiers

Active duty military personnel within the range of 18-45 years of age without limitations to gender or ethnicity.

Primary vaccinee (receiving smallpox vaccine for the first time) with a force health protection requirement for the smallpox vaccination

Medical screening for immunization completed and potential participant found eligible for immunization (standard of care)

Disqualifiers

Known contraindication to replication deficient smallpox vaccination based on FDA-approved package insert for JYNNEOS™ vaccine.

No indication for replication deficient smallpox vaccination based on FDA-approved package insert for JYNNEOS, ACIP or DoD guidelines

Secondary smallpox vaccinee (patients who had previously received any smallpox vaccine).

Age less than 18 years or age greater than 45 years.

Trial design

Treatments tested in this trial

  • JYNNEOS

Treatment groups

2,350 Participants
are divided into 3 treatment groups

Locations

This trial has no locations

Sponsors and collaborators

Womack Army Medical Center

Lead sponsor

United States Naval Medical Center, San Diego

Collaborator

C.R.Darnall Army Medical Center

Collaborator