Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated 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 Oct 20, 2026, 7:03 PM EDT

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

Official title

USE AND EFFECTIVENESS OF COVID-19 VACCINES USING STATE VACCINE REGISTRIES AND INSURANCE CLAIMS DATA

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
Terminated
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 23, 2023 (Actual)
Primary completion
May 31, 2026 (Actual)
Completion
May 31, 2026 (Actual)
Last update posted
Sep 15, 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 Sep 15, 2026 · Synced Oct 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05876377 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →