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Study of Pfizer’s pneumococcal conjugate vaccine candidate + 3rd dose COVID-19 vaccine

BioNTech COVID-19 vaccine candidate

The first enrolled subjects have received their immunizations as part of a new study in adults ages 65 or older exploring the co-administration of the company’s 20-valent pneumococcal conjugate vaccine (20vPnC) candidate following a booster dose of the Pfizer-BioNTech COVID-19 Vaccine.

The primary objective in the trial is to describe safety when both vaccines are co-administered, with follow up six months after vaccination. Secondary objectives are to describe immune responses produced by each of the vaccines.

The trial will include 600 adults who will be recruited from the Phase 3 Pfizer-BioNTech COVID-19 Vaccine trial and will have received their second dose of the vaccine at least six months prior to entering the co-administration study.

The participants are being randomized to one of three groups: 20vPnC plus Pfizer-BioNTech COVID-19 Vaccine booster, which is a third dose of the Pfizer-BioNTech COVID-19 Vaccine, 20vPnC plus placebo and Pfizer-BioNTech COVID-19 Vaccine booster plus placebo.

Photo: BioNTech