• Moderna's mRNA-1403 norovirus vaccine has entered a pivotal Phase 3 trial, evaluating its efficacy, safety, and immunogenicity in adults.
• The global trial, named Nova 301, aims to enroll approximately 25,000 participants, focusing on adults aged 60 years and older.
• mRNA-1403 is a trivalent vaccine designed to protect against multiple norovirus genotypes, addressing a significant public health concern.
• Interim Phase 1/2 data showed promising safety and immunogenicity, supporting the Phase 3 trial's initiation and potential for regulatory submission in 2026.