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nirsevimab

Generic: nirsevimab·Brand: Beyfortus

nirsevimab: 5 clinical trials tracked.

nirsevimab evidence translation

What we can confirm

5 tracked trials

No verified listed company relationship

What it means

AI will separate confirmed drug evidence from unknown company context.

What to watch

Watch trial status, endpoints, and the next source-backed update.
BioSniper AIPage evidence connected

Prepared research question

What is verified about nirsevimab, and what remains unknown?

Run cited research

Traceable citations · Unknowns marked

See linked entities and source evidence2 indications · 2 study sponsors
Clinical Trial Registry Records (5)

A Prospective, Single-arm, Non-interventional, Multi-center, Post-marketing Surveillance Study of Beyfortus (Nirsevimab) in Republic of Korea

NCT07200206Registry updated 2025-12-03·SNY
Recruiting

Primary endpoint: Occurence of Adverse Events (AEs)

Observational3,000 targetStarted 2025-10Completion 2029-091 site · South KoreaSanofi

A Phase 4, Open-label, Single-arm Clinical Study to Describe Safety and Efficacy Outcomes Associated With the Use of Nirsevimab in Neonates and Infants Born During or Entering Their First Respiratory Syncytial Virus (RSV) Season and in Children up to 24 Months of Age Who Remain Vulnerable to Severe RSV Disease Through Their Second RSV Season

NCT07109297Registry updated 2026-03-23·Phase 4·SNY
Active, not recruiting

Primary endpoint: Presence of immediate adverse events (AEs)

Interventionalopen110 targetStarted 2025-07Completion 2026-067 sites · IndiaSanofi

A Phase III Single-Arm Open-Label Study to Evaluate the Safety PK ADA and Anti RSV nAb Following Administration of 2 Doses of Nirsevimab Given 5 to 6 Months Apart in Infants With CHD, CLD, Immunocompromise, Down Syndrome, or Born Pre-Term in Japan

NCT06042049Registry updated 2026-04-16·Phase 3·AZN
Completed

Primary endpoint: Number of Participants With Treatment-emergent Adverse Events (TEAEs), Treatment-emergent Serious Adverse Events (TESAEs), Adverse Events of Special Interest (AESIs), and New-onset Chronic Diseases (NOCDs)

Interventionalopen33 enrolledStarted 2023-07Completion 2025-079 sites · JapanAstraZeneca

A Phase IIIb Randomized Open-label Study of Nirsevimab (Versus no Intervention) in Preventing Hospitalizations Due to Respiratory Syncytial Virus in Infants (HARMONIE)

NCT05437510Registry updated 2025-10-09·Phase 3
Completed

Primary endpoint: Number of Participants With Respiratory Syncytial Virus (RSV) Lower Respiratory Tract Infection (LRTI) Hospitalization Through the Respiratory Syncytial Virus Season

InterventionalRandomizedopen8,057 enrolledStarted 2022-08Completion 2025-0450 sites · FranceSanofi Pasteur, a Sanofi Company

A Phase 3, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety and Efficacy of Nirsevimab, a Monoclonal Antibody With Extended Half-life Against Respiratory Syncytial Virus, in Healthy Preterm and Term Infants in China

NCT05110261Registry updated 2026-03-30·Phase 3·AZN
Completed

Primary endpoint: Incidence of medically attended LRTI due to RT-PCR-confirmed RSV

InterventionalRandomizedquadruple800 enrolledStarted 2021-11Completion 2025-1130 sites · ChinaAstraZeneca