NCT lookup

Pull any trial record directly from ClinicalTrials.gov.

This Study Intends to Describe the Characteristics of Patients Given the Pfizer-BioNTech Bivalent mRNA COVID-19 Vaccine and Any Commercially Available Influenza Vaccines at the Same Time Versus at Different Times.

NCT05858450

CompletedN/A

Sponsor: Pfizer

Conditions: Influenza, Human, COVID-19

Interventions: Comirnaty, Quadrivalent Influenza Vaccine

Countries: United States

This study intends to describe the characteristics of patients given the Pfizer-BioNTech bivalent mRNA COVID-19 vaccine and any commercially available influenza vaccines at the same time versus at different times.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

* Enrolled in Optum claims database as of 31 August 2022 (date bivalent authorized).
* Has a Pfizer-BioNTech mRNA bivalent COVID-19 or influenza vaccine (any type) between 31 August 2022 and 30 January 2023 (earliest vaccine is index date).
* Aged \>=18 years on the index date
* 365 days of continuous enrolment prior to index date

Exclusion Criteria:

* Patients with a second dose of any type of bivalent mRNA COVID-19 or flu vaccine, disenrolled or died within 14 days following the first dose.
* Has prior COVID-19 diagnosis (U07.1, any setting, any position) within 90 days (per CDC guidance on length of time before receiving a vaccine) before and on index.
* Has influenza vaccine between 01 August -30 August 2022 (before study period).
* Has a COVID-19 or influenza diagnosis code in any setting within 14 days after index vaccination (excluded from all cohorts).

Locations (1)

New York, New York, United States