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Clinical Trials/NCT07268612
NCT07268612
Not yet recruiting
Not Applicable

A Phase 4 Retrospective Observational Study of CYFENDUS™ Anthrax Vaccine Among Individuals Who Received Post-Exposure Prophylaxis Vaccination During a Bacillus Anthracis Mass Exposure Event

Emergent BioSolutions0 sites250 target enrollmentStarted: November 1, 2035Last updated:

Overview

Phase
Not Applicable
Status
Not yet recruiting
Enrollment
250
Primary Endpoint
Number of individuals who developed inhalational anthrax and/or anthrax meningitis and received CYFENDUS for post exposure prophylaxis divided by the total number reported to have received CYFENDUS for post exposure prophylaxis.

Overview

Brief Summary

The goal of this observational study is to evaluate the safety and clinical benefit of two doses of CYFENDUS vaccine when used with the concurrent recommended antibacterial regimen for post-exposure prophylaxis to prevent inhalational anthrax and/or anthrax meningitis.

Study Design

Study Type
Observational
Observational Model
Case Only
Time Perspective
Retrospective

Eligibility Criteria

Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Individuals who received any dose of CYFENDUS vaccine (with or without concurrent recommended antibacterial regimen) for anthrax post exposure prophylaxis during an identified mass B. anthracis exposure event in the United States.

Exclusion Criteria

  • Individuals who did not receive CYFENDUS for anthrax post exposure prophylaxis during an identified mass B. anthracis exposure event in the United States.

Outcomes

Primary Outcomes

Number of individuals who developed inhalational anthrax and/or anthrax meningitis and received CYFENDUS for post exposure prophylaxis divided by the total number reported to have received CYFENDUS for post exposure prophylaxis.

Time Frame: At least 12 months after containment of the mass exposure event

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

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