Effectiveness of BNT162b2 Formulations Using State Vaccine Registry and Insurance Claims Data
Sponsor: Pfizer
Listed as NCT06199934, this observational or N/A phase trial focuses on COVID-19 Vaccines and SARS-CoV-2 and remains completed. Sponsored by Pfizer, it has been updated 6 times since 2023, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.
Status Flow
Change History
6 versions recorded-
Oct 2025 — Present [monthly]
Completed
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Oct 2024 — Oct 2025 [monthly]
Completed
Status: Active Not Recruiting → Completed
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Sep 2024 — Oct 2024 [monthly]
Active Not Recruiting
-
Jul 2024 — Sep 2024 [monthly]
Active Not Recruiting
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Mar 2024 — Jul 2024 [monthly]
Active Not Recruiting
▶ Show 1 earlier version
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Feb 2024 — Mar 2024 [monthly]
Active Not Recruiting
First recorded
Sep 2023
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Pfizer
For direct contact, visit the study record on ClinicalTrials.gov .