PF 07941314
Alternative Names: PF-07941314; RSVpreF + qIRVLatest Information Update: 15 Oct 2025
At a glance
- Originator Pfizer
- Class Influenza virus vaccines; Respiratory syncytial virus vaccines
- Mechanism of Action Immunostimulants
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Orphan Drug Status
No
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Discontinued Influenza virus infections; Respiratory syncytial virus infections
Most Recent Events
- 15 Oct 2025 Discontinued - Phase-I for Influenza virus infections (In the elderly, Prevention, In adults) in Argentina (Parenteral)
- 15 Oct 2025 Discontinued - Phase-I for Respiratory syncytial virus infections (In the elderly, Prevention, In adults) in Argentina (Parenteral)
- 27 Nov 2023 Pfizer completes a phase I trial in Influenza virus infections and Respiratory syncytial virus infections (In adults, In the elderly, Prevention) in Argentina (Parenteral) (NCT05788237)