Pfizer–BioNTech | Clinical Trials Search

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Pfizer-BioNTech COVID-19 Vaccine Effectiveness Study - Kaiser Permanente Southern California

1 participants · First posted Apr 19, 2021

Estimated Vaccine Effectiveness and Durability of Pfizer/BioNTech 2024-2025 COVID-19 Vaccine

1 participants · First posted Nov 25, 2024

Not yet recruiting

PACTR202306533302513

A comparison of the safety and immune response profiles between the new Pfizer-BioNTech Omicron adapted COVID-19 vaccine and the original Pfizer-BioNTech COVID-19 vaccine in previously unvaccinated adults in East Africa.

580 participants

Immunogenicity and Reactogenicity Following a Booster Dose of COVID-19 mRNA Vaccine (Pfizer-BioNtech) and Two Adjuvanted Sub-unit Vaccines (SP/GSK) Administered in Adults Who Received 2 Doses of Pfizer-BioNTech mRNA Vaccine as a Primary Vaccination

247 participants · First posted Nov 17, 2021

Active, not recruiting

Randomized, Single-blinded, Multicenter Trial Comparing the Immune Response to a 2nd Booster Dose of COVID-19 mRNA Vaccine (Pfizer-BioNTech) or Sanofi /GSK B.1.351 Adjuvanted Vaccine in Adults

189 participants · First posted Jun 6, 2022

PROSPECTIVE OPEN LABEL CLINICAL TRIAL TO ADMINISTER A BOOSTER DOSE OF PFIZER/BIONTECH OR MODERNA COVID-19 VACCINE IN HIGH-RISK INDIVIDUALS

1,000 participants · First posted Mar 15, 2022

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

1 participants · First posted May 25, 2023

Not yet recruiting

Universal Immunization to Fortify Immunotherapy Efficacy and Response

500 participants · First posted May 19, 2026

Assessing Safety of Coronavirus Infection (COVID-19) Messenger RNA (mRNA) Vaccine Administration in the Setting of a Previous Adverse Reaction

103 participants · First posted Jan 28, 2022

Compare Immunological Efficacy of a Vaccine Regimen Combining Two Covid19 mRNA Vaccines (Pfizer-BioNTech and Moderna) With That of a Homologous Vaccination of Each Covid19 mRNA Vaccine

418 participants · First posted May 25, 2021

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