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ClinicalTrials.gov record
Completed No phase listed Observational

Use and Effectiveness of COVID-19 Vaccines Using State Vaccine Registries and Insurance Claims Data

ClinicalTrials.gov ID: NCT05876377

Public ClinicalTrials.gov record NCT05876377. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 5:40 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study aims to use vaccination information from state vaccine registries linked with HealthVerity insurance claims for the following: * to measure how effective the Pfizer-BioNTech vaccine is at preventing post-COVID conditions. * to understand characteristics of patients who are receiving COVID-19 vaccines. All patients whose information is kept unidentified in the HealthVerity database are eligible to be included for both aims of this study.

Study identification

NCT ID
NCT05876377
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Pfizer
Industry
Enrollment
1 participant

Conditions and interventions

Eligibility (public fields only)

Age range
6 Months and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 22, 2023
Primary completion
May 30, 2026
Completion
May 30, 2026
Last update posted
Jun 29, 2026

2023 – 2026

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Pfizer New York New York 10001

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05876377, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 29, 2026 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05876377 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →