BLAINJECTIONINJECTABLE
Approved
Jul 2023
Lifecycle
Growth
Competitive Pressure
30/100
Clinical Trials
10
Data completeness
6/8 — Strong
BEYFORTUS (nirsevimab) by AstraZeneca is fusion protein inhibitors [moa]. Approved for respiratory syncytial virus anti-f protein monoclonal antibody [epc]. First approved in 2023.
Drug data last refreshed 1h ago · AI intelligence enriched 6d ago
AI summarySynthesized from FDA + DailyMed + ClinicalTrials.gov data
BEYFORTUS (nirsevimab) is a monoclonal antibody targeting the RSV F protein, designed to prevent respiratory syncytial virus infection in infants and young children. It works by binding to the fusion protein on RSV, blocking viral entry into respiratory epithelial cells. This is a first-in-class long-acting RSV preventive monoclonal antibody approved by the FDA.
Growth
Early-stage growth trajectory with modest competitive pressure (30%) suggests expanding commercial infrastructure and staffing needs across pricing, contracting, and field roles.
Mechanism of Action
Fusion Protein Inhibitors
Pharmacologic Class:
Respiratory Syncytial Virus Anti-F Protein Monoclonal Antibody
Indications
Indication data is being enriched from DailyMed and FDA labeling. Check back soon for approved therapeutic uses.
Clinical Trials (10)
An Observational Study to Assess Nirsevimab Immunization Rates in Eligible Infants During Their First RSV Season in the Czechia
Started Jun 2026
250 enrolled
RSV Immunization
A Post-marketing Surveillance Study of Beyfortus (Nirsevimab) in Republic of Korea
Started Oct 2025
3,000 enrolled
Respiratory Syncytial Virus
Study of Monoclonal Antibody Nirsevimab Against Respiratory Syncytial Virus (RSV) in Participants up to 24 Months of Age in India
Started Jul 2025
110 enrolled
RSV Immunization
The Immunology and Safety of Maternal RSV Vaccination (ABRYSVO), Infant Nirsevimab (BEYFORTUS) Immunization, or Both Products
Started Sep 2024
181 enrolled
Respiratory Syncytial Virus Infection
BEYFORTUS™ (Nirsevimab) Effectiveness Against Medically-Attended RSV Events in Infants (BEAR Study)
Started Apr 2024
49,680 enrolled
Respiratory Syncytial Virus
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Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.