Clinical Trials | March 24, 2026
Pfizer and Valneva report promising Phase 3 Lyme disease vaccine results
The company plans to submit the vaccine for regulatory review
The company plans to submit the vaccine for regulatory review
In a Phase 3 trial, Pfizer and BioNTech’s combination vaccine candidate against influenza and COVID-19 met one of its two primary immunogenicity objectives
These results add to the growing body of evidence indicating a single dose of ABRYSVO provides strong immune protection against outcomes caused by RSV
ABRYSVO met its trial primary endpoints in adults aged 18 to 59 with an increased respiratory syncytial virus (RSV) disease risk.
The companies plan to start a pivotal Phase 3 trial in the coming months
The vaccine further advances Pfizer’s vaccine portfolio and builds on more than 20 years of expertise and knowledge in the prevention of meningococcal disease
This action follows the recent acceptance of the Marketing Authorization Application (MAA) for Pfizer’s RSV vaccine candidate by the European Medicines Agency
If approved, the vaccine could help simplify the meningococcal vaccination schedule and provide the broadest serogroup coverage of any meningococcal vaccine
Antibody levels remained above baseline six months after completion of a three-dose (Month 0-2-6) or a two-dose (Month 0-6) vaccination schedule
Pfizer plans to submit an sBLA by the end of this year, subject to discussions with U.S. FDA
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